| blob | 710e414434c2373ef2a3c595d77929dbdbdb7a2a |
1 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3 PR target/26765
4 * config/mips/mips.c (mips_symbolic_address_p): Return true
5 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8 2006-05-04 Richard Guenther <rguenther@suse.de>
10 PR tree-optimization/14287
11 PR tree-optimization/14844
12 PR tree-optimization/19792
13 PR tree-optimization/21608
14 PR tree-optimization/27090
15 * tree-ssa-pre.c (try_combine_conversion): New function.
16 (compute_avail): After constructing the value-handle
17 expression, use try_combine_conversion to combine NOP_EXPRs
18 with previous value-handle expressions and use the result if it
19 is available.
21 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
23 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
25 2006-05-04 Jan Hubicka <jh@suse.cz>
27 PR middle-end/25962
28 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
30 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
32 * config/bfin/predicates.md (const01_rtx): Tell generator programs
33 that this only matches CONST_INTs. All users changed to VOIDmode
34 operands.
36 * config/bfin/bfin.c: Include "optabs.h".
37 (bfin_rtx_costs): Some costs for vector operations, to allow combine
38 to do more work.
39 (enum bfin_builtins): Add a number of fractional and vector builtins.
40 (bfin_init_builtins): Likewise.
41 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
42 (safe_vector_operand, bfin_expand_binop_builtin,
43 bfin_expand_unop_builtin): New functions.
44 (bfin_expand_builtin): Handle the new builtins.
45 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
46 __ADSPBLACKFIN__.
48 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
50 * see.c: New file.
51 * Makefile.in (OBJS-common): Add see.o.
52 (see.o): Add dependencies.
53 * common.opt (fsee): New flag for the see optimization was added.
54 * opts.c (flag_see): Initialized.
55 * passes.c (init_optimization_passes, pass_see): New pass.
56 * rtl.h (see_main): Declaration as extern.
57 * timevar.def (TV_SEE): New.
58 * tree-pass.h (pass_see): Declaration as extern.
59 * invoke.texi (-fsee): Document.
60 * recog.c (validate_simplify_insn): New function.
61 * recog.h (validate_simplify_insn): Declaration as extern.
62 * df-problems.c (df_chain_dump): Check for NULL.
64 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
65 Daniel Berlin <dberlin@dberlin.org>
67 * cfgrtl.c (insert_insn_bb_end_new): New function.
68 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
70 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
72 * df.h (struct web_entry): Moved from web.c.
73 (union_defs): Declaration as extern.
74 (unionfind_root): Likewise.
75 (unionfind_union): Likewise.
76 * web.c (struct web_entry): Moved to df.h.
77 (unionfind_root): Remove static declaration.
78 (unionfind_union): Likewise.
79 (union_defs): Likewise and generalize to use callback function.
80 (web_main): Update arguments for union_defs function call.
82 2006-05-04 Richard Guenther <rguenther@suse.de>
84 PR tree-optimization/26447
85 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
86 produce SSA_NAME copies before the store stmt to avoid
87 breaking exception handling.
89 2006-05-04 Jakub Jelinek <jakub@redhat.com>
91 PR middle-end/27388
92 * gimplify.c (omp_is_private): If var is shared in some outer context,
93 return false instead of true. Stop searching on parallel context
94 boundary.
96 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
98 PR java/8260
99 * coverage.c: Use get_gcov_unsigned_t() instead of
100 unsigned_type_node all over.
102 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
104 PR tree-optimization/27381
105 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
106 maintain the same immediate_use links.
107 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
108 node rather than segfaulting.
110 2006-05-03 Jakub Jelinek <jakub@redhat.com>
112 PR fortran/27395
113 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
114 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
115 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
117 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
119 Fix PR tree-optimization/26626
120 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
121 always.
122 * tree-ssa-operands.c (access_can_touch_variable): Allow
123 typecasting through union pointers.
125 2006-05-02 Jakub Jelinek <jakub@redhat.com>
127 PR c++/26943
128 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
129 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
130 to find if var will be a global variable even in the nested context.
131 (omp_copy_decl): Only check for global variable at the end, it might
132 be overridden in outer contexts.
133 (scan_sharing_clauses): For global variables don't create a field.
134 (lower_rec_input_clauses): Do nothing for global shared variables.
135 Emit a barrier at the end of ILIST if there were any decls in both
136 firstprivate and lastprivate clauses.
137 (lower_send_clauses): Do nothing for global variables except for
138 COPYIN.
140 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
142 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
143 of the correct signedness is returned.
145 2006-05-02 Jeff Law <law@redhat.com>
147 PR tree-optimization/27364
148 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
149 multiply expressions.
151 2006-05-02 Tom Tromey <tromey@redhat.com>
153 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
155 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
157 PR target/27387
158 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
159 -mthumb -fPIC are used.
161 2006-05-02 Joshua Kinard <kumba@gentoo.org>
163 PR target/25871
164 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
165 with 64-bit pointers.
167 2006-05-02 Paul Brook <paul@codesourcery.com>
169 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
170 and pool overlap.
171 (create_fix_barrier): Check that a suitable barrier location is
172 found.
173 (arm_reorg): Include ftmp->address in allowable range of addresses.
175 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
177 PR ada/27366
178 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
179 on Cygwin.
181 2006-05-02 Jakub Jelinek <jakub@redhat.com>
183 PR middle-end/27337
184 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
185 around RESULT_DECL for result passed by reference.
186 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
187 * omp-low.c (use_pointer_for_field): Don't look at
188 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
189 (scan_omp_1): Call remap_decl on RESULT_DECLs.
190 (lower_rec_input_clauses): Don't allocate VLA memory for the second
191 time or var for passing by reference for
192 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
193 TREE_ADDRESSABLE variables when passing by reference.
195 * omp-low.c (dump_omp_region): Fix output formatting.
197 PR middle-end/27328
198 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
199 (expand_omp_parallel): Likewise.
200 * tree-cfg.c (move_sese_region_to_fn): Likewise.
202 PR middle-end/27325
203 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
204 on statement list containing also constructors and destructors.
205 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
207 PR middle-end/27310
208 * except.c (duplicate_eh_regions): Fix clearing of
209 cfun->eh->region_array entries.
211 2006-05-01 DJ Delorie <dj@redhat.com>
213 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
214 build!=host.
215 (gcc_cv_objdump): Likewise.
216 * configure: Regenerated.
218 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
220 PR target/27374
221 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
222 templates for case 3 and 4.
224 2006-05-01 DJ Delorie <dj@redhat.com>
226 * vec.c: Include bconfig.h when appropriate.
227 * Makefile.in (build/vec.o): Adjust dependencies.
228 * mkconfig.sh: Make sure config.h isn't used for build machine
229 compiles.
231 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
233 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
234 variables.
235 (mark_phi_for_rewrite): New function.
236 (insert_phi_nodes_for, mark_use_interesting): Call
237 mark_phi_for_rewrite.
238 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
239 (update_ssa): Initialize and free phis_to_rewrite.
241 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
243 PR rtl-optimization/27291
244 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
245 folded to a constant.
247 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
249 PR tree-optimization/27283
250 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
251 not whole # of iteration descriptions.
252 (niter_for_exit): Return just # of iterations. Fail if # of iterations
253 uses abnormal ssa name.
254 (niter_for_single_dom_exit): Ditto.
255 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
256 return just the number of iterations.
258 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
260 PR tree-optimization/27144
261 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
262 (record_estimate): Only record constant upper bound.
263 (infer_loop_bounds_from_undefined): Call
264 compute_estimated_nb_iterations just once.
265 (proved_non_wrapping_p): Renamed to ...
266 (n_of_executions_at_most): ... this. Expect bound to be a constant.
267 (convert_step_widening, scev_probably_wraps_p): Call
268 n_of_executions_at_most instead of proved_non_wrapping_p.
269 (substitute_in_loop_info): Do not replace values in bounds.
270 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
271 comments.
273 2006-05-01 Richard Henderson <rth@redhat.com>
275 PR c/27358
276 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
277 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
278 CPP_PRAGMA.
280 2006-05-01 Roger Sayle <roger@eyesopen.com>
282 * c-typeck.c (parser_build_binary_op): Don't call the function
283 unsigned_conversion_warning to spot operand/result type overflow.
284 (build_binary_op): Instead, call convert_and_check instead of
285 convert to report the problem when the operands are promoted.
286 * c-common.c (unsigned_conversion_warning): Make static.
287 * c-common.h (unsigned_conversion_warning): Delete prototype.
289 2006-05-01 Richard Guenther <rguenther@suse.de>
291 PR tree-optimization/26726
292 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
293 problem ...
294 (find_interesting_uses_address): ... we work around here
295 by folding INDIRECT_REFs in the substituted base.
297 2006-05-01 Diego Novillo <dnovillo@redhat.com>
299 * omp-low.c (dump_omp_region): Add newlines.
301 2006-04-30 Roger Sayle <roger@eyesopen.com>
303 * common.opt (Woverflow): New command line option.
304 * c-common.c (constant_expression_warning): Check warn_overflow.
305 (overflow_waring): Pass OPT_Woverflow to warning.
306 (unsigned_conversion_warning): Likewise.
307 (convert_and_check): Likewise.
308 * doc/invoke.texi: Document new command line option.
310 2006-04-30 David Edelsohn <edelsohn@gnu.org>
312 * config/rs6000/rs6000.c (rs6000_override_options): Enable
313 TARGET_NO_FP_IN_TOC for section anchors.
314 (optimization_options): Enable section anchors for all
315 non-"Objective" languages.
317 2006-04-28 Eric Christopher <echristo@apple.com>
319 * config/darwin-c.c (darwin_ms_struct): Move this
320 (darwin_set_default_type_attributes): and this...
321 * config/darwin.c: ... here.
322 * config/darwin.h (darwin_ms_struct): Declare.
324 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
326 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
328 2006-04-28 Roger Sayle <roger@eyesopen.com>
330 PR c/25309
331 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
332 (push_array_bounds): Delete prototype. Change BOUNDS argument to
333 an unsigned HOST_WIDE_INT.
334 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
335 array index.
336 (really_start_incremental_init): No need to call convert because
337 bitsize_zero_node is already of type bitsizetype.
338 (push_init_level): Extract the value of constructor_index as an
339 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
340 (process_init_element): Likewise.
342 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
344 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
345 value before passing to make_relative_prefix.
347 2006-04-28 Alan Modra <amodra@bigpond.net.au>
349 PR middle-end/27260
350 * builtins.c (expand_builtin_memset): Expand val in original mode.
352 2006-04-27 Eric Christopher <echristo@apple.com>
354 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
355 with #ifndef/#endif.
356 * config/darwin-c.c (darwin_ms_struct): New.
357 (darwin_pragma_ms_struct): Ditto.
358 (darwin_set_default_type_attributes): Ditto.
359 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
360 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
361 Register ms_struct pragma.
362 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
363 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
364 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
365 darwin_set_default_type_attributes if TARGET_MACHO.
367 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
369 PR tree-optimization/26854
370 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
371 * doc/tree-ssa.texi: Update immuse iterator documentation.
372 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
373 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
374 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
375 first_safe_imm_use, next_safe_imm_use): Remove.
376 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
377 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
378 (move_use_after_head): New. Helper function to sort immuses in a stmt.
379 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
380 (first_imm_use_stmt): New. Get first stmt in an immuse list.
381 (next_imm_use_stmt): New. Get next stmt in an immuse list.
382 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
383 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
384 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
385 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
386 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
387 (perfect_nestify): Use new iterator.
388 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
389 iterator.
390 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
391 (next_imm_name): New field in struct immediate_use_iterator_d.
392 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
393 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
394 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
395 * tree-cfg.c (replace_uses_by): Use new iterator.
396 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
397 * tree-ssa-operands.c (correct_use_link): Remove.
398 (finalize_ssa_use_ops): No longer call correct_use_link.
400 2006-04-27 Stuart Hastings <stuart@apple.com>
402 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
403 * config/t-darwin (crt3.o): Use it.
404 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
405 'pmode', use Pmode instead of SImode for SYMBOL_REF.
406 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
407 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
408 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
409 support.
411 2006-04-27 Roger Sayle <roger@eyesopen.com>
413 * expmed.c (store_fixed_bit_field): If we're not optimizing for
414 size, force the intermediate into a new pseudo rather instead of
415 performing both a bitwise AND and a bitwise IOR in memory.
417 2006-04-27 Richard Guenther <rguenther@suse.de>
419 PR rtl-optimization/26685
420 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
421 this one "max-flow-memory-locations".
423 2006-04-27 Richard Guenther <rguenther@suse.de>
425 PR tree-optimization/25148
426 * tree-vrp.c (compare_values): Remove code dealing with
427 comparisons against type min/max value. Honour overflow
428 and negative constants in code dealing with comparisons
429 of plus and minus expressions.
430 (value_inside_range): Use fold_binary with LE_EXPR and
431 GE_EXPR rather than compare_values.
433 2006-04-27 Dirk Mueller <dmueller@suse.de>
435 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
436 prototype for SSE.
438 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
440 * basic-block.h (safe_insert_insn_on_edge): Removed.
441 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
444 2006-04-26 David Edelsohn <edelsohn@gnu.org>
445 Paolo Bonzini <bonzini@gnu.org>
447 PR middle-end/27282
448 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
449 (simplify_and_const_int): Same.
451 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
453 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
455 2006-04-26 Jakub Jelinek <jakub@redhat.com>
457 PR c/26171
458 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
459 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
460 cgraph_global_info_ready.
462 PR middle-end/26913
463 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
465 PR c/25996
466 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
467 either decl or init is error_mark_node.
469 PR middle-end/25989
470 * tree-flow.h (struct omp_region): Add sched_kind.
471 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
472 instead of extracting omp for data.
473 (expand_omp_for): Save extracted sched_kind.
475 2006-04-25 Roger Sayle <roger@eyesopen.com>
477 * expmed.c (store_bit_field): Also check whether the bitsize is
478 valid for the machine's "insv" instruction before moving the
479 target into a pseudo for use with the insv.
480 * config/i386/predicates.md (const8_operand): New predicate.
481 * config/i386/i386.md (extv, extzv, insv): Use the new
482 const8_operand predicate where appropriate.
484 2006-04-25 DJ Delorie <dj@redhat.com>
486 * doc/install.texi (Specific): Clarify that this is not a list of
487 supported hosts or targets.
489 2006-04-25 Richard Sandiford <richard@codesourcery.com>
491 PR rtl-optimization/26725
492 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
493 block's BB_DIRTY flag.
495 2006-04-25 Geoffrey Keating <geoffk@apple.com>
497 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
498 are no branches.
500 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
501 to print an integer.
503 2006-04-25 David Edelsohn <edelsohn@gnu.org>
505 * varasm.c (align_variable): New function.
506 (get_block_for_decl): Apply align_variable to DECL before
507 calculating section information.
508 (assemble_variable): Split out alignment computation.
510 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
512 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
513 machines.
515 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
517 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
518 MODE_PARTIAL_INT mode.
519 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
520 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
521 for CONST_INTs.
522 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
523 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
524 V2PDImode.
525 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
526 New predicates.
527 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
528 New constants.
529 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
530 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
531 MACFLAG_IH): Likewise.
532 (movstricthi_1): Renamed from "*movstricthi".
533 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
534 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
535 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
536 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
537 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
538 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
539 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
540 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
541 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
542 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
543 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
544 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
545 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
546 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
547 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
549 * doc/rtl.texi (ss_ashift): Improve wording.
551 2006-04-24 Geoffrey Keating <geoffk@apple.com>
553 * dwarf2out.c (verify_marks_clear): New.
554 (prune_unused_types): Call verify_marks_clear initially, not
555 prune_unmark_dies.
557 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
559 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
560 * doc/rtl.texi: Document them.
561 * simplify-rtx.c (simplify_unary_operation,
562 simplify_binary_operation_1): Don't abort when we see them.
564 2006-04-24 Mark Mitchell <mark@codesourcery.com>
566 Revert:
567 2006-04-23 Mark Mitchell <mark@codesourcery.com>
568 * configure.ac: Completely disregard languages that are not
569 enabled.
570 * configure: Regenerated.
572 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
573 Richard Guenther <rguenther@suse.de>
575 PR tree-optimization/27236
576 * tree-inline.c (copy_body_r): Make sure to copy
577 TREE_THIS_VOLATILE flag.
579 2006-04-24 Richard Guenther <rguenther@suse.de>
581 PR middle-end/26869
582 * tree-complex.c (update_parameter_components): Don't handle
583 unused parameters which have no default def.
585 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
586 Richard Guenther <rguenther@suse.de>
588 PR tree-optimization/27218
589 * tree-inline.c (expand_call_inline): Strip useless type
590 conversions for the return slot address.
592 2006-04-24 Richard Guenther <rguenther@suse.de>
594 * cfgloop.h (struct loops): Remove unused field array. Reorder
595 state after num.
596 (LOOP_PREFETCH): Remove.
598 2006-04-24 Richard Guenther <rguenther@suse.de>
600 PR tree-optimization/22525
601 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
602 variable, adjust types of generated expressions.
604 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
606 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
607 (tree-vect-patterns.o): Likewise.
608 (jump.o): Likewise.
609 (cselib.o): Likewise.
610 (loop-doloop.o): Likewise.
611 (regclass.o): Likewise.
612 (reload1.o): Likewise.
613 (explow.o): Replace target.h with $(TARGET_H).
614 (ipa-prop.o): Likewise.
615 (ipa-cp.o): Likewise.
616 (ipa-inline.o): Likewise.
617 (reorg.o): Likewise.
618 (reg-stack.o): Likewise.
620 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
622 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
624 2006-04-23 Mark Mitchell <mark@codesourcery.com>
626 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
628 * configure.ac: Completely disregard languages that are not
629 enabled.
630 * configure: Regenerated.
632 PR c++/26534
633 * c-common.h (c_build_bitfield_integer_type): Declare.
634 * c-decl.c (c_build_bitfield_integer_type): Move to ...
635 * c-common.c (c_build_bitfield_integer_type): ... here.
637 2006-04-23 Roger Sayle <roger@eyesopen.com>
639 PR target/21283
640 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
641 a SImode SUBREG of a floating point register after no_new_pseudos.
643 2006-04-23 Roger Sayle <roger@eyesopen.com>
645 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
646 identify potentially eliminable registers to additionally catch
647 VIRTUAL_INCOMING_ARGS_REGNUM.
648 (addsi3): Update the conditions on when to use addsi_small_int.
650 2006-04-23 Roger Sayle <roger@eyesopen.com>
652 PR target/16641
653 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
654 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
655 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
657 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
659 * fold-const.c (range_predecessor): Use operand_equal_p
660 as the predicate for equality.
661 (range_successor): Likewise.
663 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
665 Revert:
666 * config/soft-fp/op-common.h: Fix a typo.
668 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
670 PR libmudflap/26864
671 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
672 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
674 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
676 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
677 Fix comment typos.
678 * doc/tm.texi: Fix a typo.
680 2006-04-21 Geoffrey Keating <geoffk@apple.com>
682 * dwarf2out.c (struct die_struct): Document that die_sib makes
683 a circular linked list.
684 (FOR_EACH_CHILD): New.
685 (reverse_die_lists): Delete.
686 (reverse_all_dies): Delete.
687 (add_dwarf_attr): Correct documentation.
688 (remove_child_with_prev): New.
689 (remove_child_TAG): Update for change to die_struct, use
690 remove_child_with_prev.
691 (add_child_die): Update for change to die_struct.
692 (splice_child_die): Use remove_child_with_prev and add_child_die.
693 (print_die): Use FOR_EACH_CHILD.
694 (die_checksum): Likewise.
695 (assign_symbol_names): Likewise.
696 (output_location_lists): Likewise.
697 (build_abbrev_table): Likewise.
698 (calc_die_sizes): Likewise.
699 (mark_dies): Likewise.
700 (unmark_dies): Likewise.
701 (unmark_all_dies): Likewise.
702 (output_die): Likewise.
703 (prune_unused_types_mark): Likewise.
704 (prune_unused_types_walk): Likewise.
705 (same_die_p): Update for change to die_struct.
706 (break_out_includes): Likewise.
707 (prune_unused_types_prune): Likewise.
708 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
709 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
710 it's already clear.
711 (dwarf2out_finish): Don't call reverse_all_dies.
713 2006-04-21 Eric Christopher <echristo@apple.com>
715 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
716 in comments and function names.
718 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
720 PR c/25875
721 * c-typeck.c (digest_init): Robustify.
723 * c-typeck.c (pop_init_level): Simplify.
725 2006-04-21 Steve Ellcey <sje@cup.hp.com>
727 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
729 2006-04-21 Paul Brook <paul@codesourcery.com>
731 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
732 hardware floating point.
734 2006-04-21 David Edelsohn <edelsohn@gnu.org>
736 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
737 NON_FLOAT_REGS.
739 2006-04-21 Nick Clifton <nickc@redhat.com>
741 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
742 OPT_EXTRA_PARTS.
744 2006-04-21 Alan Modra <amodra@bigpond.net.au>
746 PR target/27230
747 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
748 C++ lang type in traceback table for Objective-C++.
750 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
752 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
754 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
756 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
758 PR mudflap/26789
759 * tree-mudflap.c (mudflap_finish_file): Skip function when there
760 were errors. Remove check for erroneous objects.
762 2006-04-20 Jeff Law <law@redhat.com>
764 PR tree-optimization/26854
765 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
766 checking for zero or one use.
767 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
768 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
769 * tree-ssa-reassoc.c (negate_value): Similarly.
770 (reassociate_bb): Similarly.
772 2006-04-20 Jakub Jelinek <jakub@redhat.com>
774 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
775 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
776 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
778 2006-04-20 Alan Modra <amodra@bigpond.net.au>
780 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
781 fp regs if the last fp arg doesn't fit in regs.
783 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
785 PR target/27182
786 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
787 that the last insn has the REG_INC note.
789 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
790 Nathan Sidwell <nathan@codesourcery.com>
792 PR c/26774
793 * stor-layout.c (update_alignment_for_field): Do not align
794 ERROR_MARK nodes.
795 (place_union_field): Place union field at the start of the union.
796 (place_field): Move ERROR_MARK check later, and use the current
797 allocation position to maintain monotonicity.
799 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
801 * dominance.c: Include timevar.h.
802 (calculate_dominance_info): Use TV_DOMINANCE.
803 * timevar.def (TV_DOMINANCE): New timevar.
804 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
806 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
808 PR rtl-optimization/14261
809 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
810 move would be an INSV insn.
811 (noce_process_if_block): Don't optimize if the destination is a
812 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
814 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
816 * config/s390/s390.md: Add comments with the instructions emitted
817 by an insn pattern if macros are used.
819 2006-04-19 Alan Modra <amodra@bigpond.net.au>
821 PR rtl-optimization/26026
822 * fold-const.c (fold_binary): Optimize div and mod where the divisor
823 is a known power of two shifted left a variable amount.
825 2006-04-18 Geoffrey Keating <geoffk@apple.com>
827 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
828 to hash table twice when the debug_str section has SECTION_MERGE.
830 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
832 * config/soft-fp: New directory. From glibc.
833 * config/soft-fp/t-softfp: New.
834 * config/soft-fp/README: New.
835 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
836 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
837 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
838 (LIBGCC_DEPS): Add $(SFP_MACHINE).
839 * config.gcc: Use rs6000/t-fprules-fpbit or
840 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
841 rs6000/t-fprules.
842 * config/rs6000/sfp-machine.h: New. Based on glibc.
843 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
844 New.
845 * config/rs6000/t-fprules: Remove fp-bit rules.
846 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
847 * config/rs6000/t-linux64: Likewise. Remove duplicates from
848 LIB2FUNCS_EXTRA. Remove fp-bit rules.
849 (softfp_wrap_start, softfp_wrap_end): New.
851 2006-04-18 DJ Delorie <dj@redhat.com>
853 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
855 2006-04-18 Devang Patel <dpatel@apple.com>
857 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
859 2006-04-18 Nick Clifton <nickc@redhat.com>
861 * config/sh/t-symbian: Add rule to build sh-c.o
862 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
863 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
864 (sh_symbian_encode_section_info): Likewise.
866 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
868 * builtins.c (expand_builtin_strcmp): Cover label definition of
869 do_libcall with HAVE_cmpstrnsi.
871 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
873 * function.c (temp_slots_at_level, max_slot_level): Use VEC
874 instead of VARRAY.
875 * function.h (temp_slot_p): New.
876 (function): Change the type of x_used_temp_slots to
877 VEC(temp_slot_p,gc) *.
879 2006-04-18 Nick Clifton <nickc@redhat.com>
881 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
882 flag_strength_reduce.
884 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
886 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
888 PR target/27117
890 Partial revert of revision 112637
891 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
892 Dale Johannesen <dalej@apple.com>
894 PR target/19653
895 * regclass.c (struct reg_pref): Update documentation.
896 (regclass): Set prefclass to NO_REGS if memory is the best option.
897 (record_reg_classes): Cope with a prefclass set to NO_REGS.
899 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
901 PR tree-optimization/26821
902 * tree-ssa-math-opts.c (get_constant_one): New.
903 (insert_reciprocals): Use it.
905 2006-04-17 Geoffrey Keating <geoffk@apple.com>
907 * dwarf2out.c (free_AT): Delete.
908 (remove_AT): Update string ref counts.
909 (remove_child_TAG): Don't call free_die.
910 (free_die): Delete.
911 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
912 or DW_TAG_GNU_EINCL.
913 (prune_unused_types_walk_attribs): Reset string refcounts.
914 (prune_unused_types_update_strings): New.
915 (prune_unused_types_prune): Don't make unnecessary stores. Don't
916 call free_die. Do call prune_unused_types_update_strings.
917 (prune_unused_types): Empty debug_str_hash.
919 2006-04-17 Roger Sayle <roger@eyesopen.com>
921 * expr.c (expand_assignment): Optimize away no-op moves where the
922 source and destination are equal and have no side-effects.
924 2006-04-17 Richard Guenther <rguenther@suse.de>
926 PR target/26826
927 * reload.c (push_reload): Guard calls to get_secondary_mem
928 for memory subregs.
930 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
932 * alias.c (reg_base_value, old_reg_base_value): Change the
933 type to VEC(rtx,gc) *.
934 (REG_BASE_VALUE, find_base_value, record_set,
935 init_alias_analysis): Use VEC instead of VARRAY.
937 * alias.c (alias_sets): Change the type to
938 VEC(alias_set_entry,gc) *.
939 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
940 VEC instead of VARRAY.
941 (last_alias_set): Remove.
943 * cgraph.h (cgraph_edge_p): New.
944 Update the prototype of cgraph_function_versioning.
945 * cgraphunit.c (cgraph_copy_node_for_versioning,
946 cgraph_function_versioning): Use VEC instead of VARRAY.
947 * ipa-cp.c (ipcp_insert_stage): Likewise.
949 2006-04-16 Roger Sayle <roger@eyesopen.com>
951 PR target/26961
952 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
953 "A op B" or "A op C", we may need to convert A to the type of B and C.
955 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
957 * target.h (struct gcc_target): Add mode_rep_extended.
958 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
959 (init_num_sign_bit_copies_in_rep): Initialize it using
960 mode_rep_extended.
961 (truncate_to_mode): Use it.
962 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
963 * targhooks.h (default_mode_rep_extended): Declare it.
964 * targhooks.c (default_mode_rep_extended): Define it.
965 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
966 default_mode_rep_extended.
967 (TARGET_INITIALIZER): Include it.
968 * doc/tm.texi (Misc): Document it.
969 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
970 (mips_truncated_to_mode): New function.
972 2006-04-16 Roger Sayle <roger@eyesopen.com>
974 PR middle-end/25474
975 * expr.c (compress_float_constant): Copy the narrow constant into
976 a new pseudo before extending it to its final width.
978 2006-04-16 Roger Sayle <roger@eyesopen.com>
979 Andrew Pinski <pinskia@gcc.gnu.org>
980 Dale Johannesen <dalej@apple.com>
982 PR target/24076
983 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
984 special case code to implement V8HImode and V16QImode with SSE2.
986 2006-04-15 Roger Sayle <roger@eyesopen.com>
988 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
989 trees are constructed with a suitable tree type.
991 2006-04-15 Roger Sayle <roger@eyesopen.com>
993 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
994 (integer_onep): Likewise.
995 (integer_all_onesp): Likewise.
996 (integer_pow2p): Likewise.
997 (integer_nonzerop): Likewise.
998 (real_zerop): Likewise.
999 (real_onep): Likewise.
1000 (real_twop): Likewise.
1001 (real_minus_onep): Likewise.
1002 (int_size_in_bytes): Likewise.
1003 (host_integerp): Likewise.
1005 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1007 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1008 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1009 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1011 * tree-ssa-structalias.h (alias_info): Remove num_references.
1013 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1015 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1016 (output_bvb patterns): Likewise.
1017 * pa.c (output_bb): Use 'bb' insn for long branch case.
1018 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1019 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1020 1. Correct length operand for alternatives 1 and 2.
1021 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1022 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1024 2006-04-14 Roger Sayle <roger@eyesopen.com>
1026 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1027 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1028 were accidentally reverted by r112959.
1030 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1032 PR middle-end/26823
1033 * except.h (eh_region_outermost): New prototype.
1034 * except.c (eh_region_outermost): New function.
1035 * tree-cfg.c (find_outermost_region_in_block): Use it.
1037 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1039 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1040 of VARRAY.
1041 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1042 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1043 (init_reload, reload): Use VEC instead of VARRAY.
1044 * reload.h: Update the prototype for
1045 reg_equiv_memory_loc_varray.
1047 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1048 Eric Botcazou <ebotcazou@libertysurf.fr>
1050 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1051 register save area.
1053 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1055 PR middle-end/27134
1056 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1057 to expand fallback builtin function call.
1059 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1061 PR middle-end/27095
1062 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1063 and emit libcall here in case the builtin fails.
1064 (expand_builtin_strcmp): Always emit the libcall here on failure.
1066 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1068 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1069 * flow.c (reg_n_info): Change the type to
1070 VEC(reg_info_p,heap) *.
1071 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1072 instead of VARRAY.
1073 * regs.h (reg_info_p): New.
1074 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1075 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1076 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1077 instead of VARRAY.
1079 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1081 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1082 defaulting to 100.
1083 * params.h (MAX_SCHED_READY_INSNS): New macro.
1084 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1085 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1086 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1087 the ready list for 1 cycle during the first scheduling pass.
1088 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1090 2006-04-13 Richard Henderson <rth@redhat.com>
1092 PR libgomp/26651
1093 * gimple-low.c (lower_omp_directive): Remove dead code.
1094 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1095 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1096 * omp-low.c (struct omp_region): Move to tree-flow.h.
1097 (root_omp_region): Export.
1098 (omp_regions, lookup_omp_region): Remove.
1099 (determine_parallel_type): Update for struct omp_region changes.
1100 (dump_omp_region): Dump regions with block numbers.
1101 (new_omp_region): Take type and block instead of stmt; malloc
1102 instead of ggc.
1103 (free_omp_region_1, free_omp_regions): New.
1104 (expand_parallel_call): Take entry_stmt as argument; update for
1105 changes to omp_region.
1106 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1107 (remove_exit_barriers): New.
1108 (expand_omp_parallel): Update for struct omp_region changes.
1109 (expand_omp_synch): Likewise.
1110 (expand_omp): Likewise.
1111 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1112 (expand_omp_for_static_chunk): Likewise.
1113 (expand_omp_for): Likewise.
1114 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1115 (expand_omp_sections): Similarly, with GOMP_sections_end.
1116 (expand_omp_single): New.
1117 (build_omp_regions_1): Update for OMP_CONTINUE.
1118 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1119 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1120 OMP_SECTIONS_SECTIONS.
1121 (lower_omp_single_simple): Don't emit barrier here.
1122 (lower_omp_single_copy): Likewise.
1123 (lower_omp_single): Fix bindings, and lower to straightline now.
1124 (lower_omp_master, lower_omp_ordered): Likewise.
1125 (lower_omp_critical): Likewise.
1126 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1127 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1128 omp edges, free it afterward.
1129 (make_omp_sections_edges): Remove.
1130 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1131 (move_stmt_r): Handle OMP_CONTINUE.
1132 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1133 statement pointers to basic blocks. Add type member.
1134 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1135 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1136 * tree-inline.c (estimate_num_insns_1): Likewise.
1137 * tree-pretty-print.c (dump_generic_node): Likewise.
1138 * tree-ssa-operands.c (get_expr_operands): Likewise.
1139 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1140 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1141 (OMP_CONTINUE): New.
1142 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1143 (OMP_SECTIONS_SECTIONS): Remove.
1144 (OMP_SECTION_LAST): New.
1145 (OMP_RETURN_NOWAIT): New.
1147 2006-04-13 Roger Sayle <roger@eyesopen.com>
1149 * fold-const.c (native_encode_vector, native_interpret_real):
1150 Correct obvious mistakes in the previous check-in.
1152 2006-04-13 Roger Sayle <roger@eyesopen.com>
1154 * fold-const.c (native_encode_expr): New function to encode
1155 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1156 or VECTOR_CST into a specified buffer.
1157 (native_encode_int): New function.
1158 (native_encode_real): New function.
1159 (native_encode_complex): New function.
1160 (native_encode_vector): New function.
1161 (native_interpret_expr): Inverse of native_encode_expr to convert
1162 a target representation into an INTEGER_CST, REAL_CST etc...
1163 (native_interpret_int): New function.
1164 (native_interpret_real): New function.
1165 (native_interpret_complex): New function.
1166 (native_interpret_vector): New function.
1167 (fold_view_convert_expr): New function to constant fold/evaluate
1168 a VIEW_CONVERT_EXPR of a suitable constant expression.
1169 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1170 Change call of build1 to fold_build1 when constructing a
1171 VIEW_CONVERT_EXPR.
1173 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1174 Ulrich Weigand <uweigand@de.ibm.com>
1176 PR target/27006
1177 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1178 to be even.
1180 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1182 PR target/26459
1183 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1184 optimize to lo_sum for DFmode if !TARGET_FPRS.
1186 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1188 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1189 delete_alias_info, compute_flow_sensitive_aliasing,
1190 group_aliases): Use VEC instead of VARRAY.
1191 * tree-ssa-structalias.c (update_alias_info): Likewise.
1192 * tree-ssa-structalias.h (alias_info): Change the type of
1193 processed_ptrs to VEC(tree,heap) *.
1195 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1197 PR target/27060
1198 * config/sh/lib1funcs.h: New file, broken out of:
1199 * config/sh/lib1funcs.asm.
1200 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1201 New macros.
1202 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1203 * config/sh/lib1funcs-Os-4-200.asm: New file.
1204 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1205 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1206 (EXTRA_MULTILIB_PARTS): Include it.
1207 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1208 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1209 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1210 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1211 TARGET_SH2.
1213 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1215 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1216 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1217 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1218 VARRAY.
1219 * tree-ssa-live.h: Include vecprim.h.
1220 (tree_partition_associator_d): Change the type of
1221 first_partition to VEC(int,heap) *.
1222 (tpa_first_partition): Use VEC instead of VARRAY.
1224 * Makefile.in (GTFILES): Move functions.h after tree.h.
1225 * function.c (reset_block_changes, record_block_change,
1226 check_block_change, free_block_changes): Use VEC instead of
1227 VARRAY.
1228 * function.h (function): Change the type of
1229 ib_boundaries_block to VEC(tree,gc) *.
1230 * tree-inline.c (copy_cfg_body): Initialize
1231 ib_boundaries_block to NULL instead of (varray_type) 0.
1233 2006-04-12 Roger Sayle <roger@eyesopen.com>
1235 * expr.c (emit_group_store): Correct operand order in call to
1236 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1237 a SUBREG_BYTE of zero.
1239 2006-04-12 Richard Guenther <rguenther@suse.de>
1241 * profile.c (compute_branch_probabilities): Remove code
1242 encapsulated in !ir_type (), which are remanents of the
1243 removed RTL profiling code.
1244 * rtl-profile.c: Remove.
1246 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1248 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1249 magic NULL_RTX comment.
1250 (function_arg): Store entire fp arg to mem if any part should go
1251 on stack.
1252 (rs6000_arg_partial_bytes): Adjust for above change.
1254 2006-04-11 Roger Sayle <roger@eyesopen.com>
1256 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1257 if it hasn't been initialized by dwarf2out_init.
1259 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1261 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1262 symbolic constants in branch patterns.
1264 2006-04-11 Roger Sayle <roger@eyesopen.com>
1266 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1268 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1270 PR rtl-optimization/27073
1271 * gcse.c (try_replace_reg): Revert last change. Continue to search
1272 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1273 on the former.
1275 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1277 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1278 aggregate types other than record and union types.
1279 (function_arg): Likewise.
1280 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1281 small arrays.
1282 (function_value): In 64-bit mode, return objects that require it
1283 in FP registers.
1285 2006-04-11 Roger Sayle <roger@eyesopen.com>
1287 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1289 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1291 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1293 2006-04-03 Jeff Law <law@redhat.com>
1295 PR/27087
1296 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1297 alias information too.
1299 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1301 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1303 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1305 PR/21391
1306 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1307 (premark_used_types_helper): New.
1308 (premark_used_types): New.
1309 (gen_subprogram_die): Call premark_used_types.
1310 (prune_unused_types_walk): Do not prune perennial dies.
1311 * function.c (used_types_insert): New.
1312 * function.h (struct function): Add used_types_hash field.
1313 (used_types_insert): Add prototype.
1314 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1315 * c-parser.c (c_parser_cast_expression): Save casted types in used
1316 types hash table.
1318 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1320 PR target/26459
1321 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1322 rs6000_explicit_options.float_gprs.
1324 2006-04-10 Roger Sayle <roger@eyesopen.com>
1326 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1327 from ix86_expand_vector_init_low_nonzero. Take an additional
1328 one_var argument indicating which element is non-zero. Support
1329 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1330 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1331 with one_var instead of ix86_expand_vector_init_low_nonzero.
1333 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1335 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1336 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1337 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1338 build/genextract.o): Depend on vecprim.h.
1339 * cfglayout.c, df-problems.c, function.c, genextract.c,
1340 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1341 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1342 vecprim.h.
1343 * vecprim.h: New.
1345 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1347 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1348 Declare VECs of this type.
1349 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1350 (remove_children): Delete.
1351 (add_dwarf_attr): Use VEC routines.
1352 (add_AT_flag): Update for changes to add_dwarf_attr.
1353 (add_AT_int): Likewise.
1354 (add_AT_unsigned): Likewise.
1355 (add_AT_long_long): Likewise.
1356 (add_AT_vec): Likewise.
1357 (add_AT_string): Likewise.
1358 (add_AT_die_ref): Likewise.
1359 (add_AT_fde_ref): Likewise.
1360 (add_AT_loc): Likewise.
1361 (add_AT_loc_list): Likewise.
1362 (add_AT_addr): Likewise.
1363 (add_AT_lbl_id): Likewise.
1364 (add_AT_lineptr): Likewise.
1365 (add_AT_macptr): Likewise.
1366 (add_AT_offset): Likewise.
1367 (add_AT_range_list): Likewise.
1368 (get_AT): Use VEC_iterate.
1369 (remove_AT): Use VEC_ordered_remove.
1370 (free_die): Fold remove_children into here; have it use VEC_iterate.
1371 (print_die): Use VEC_iterate on attrs.
1372 (reverse_die_lists): Don't reverse attr lists.
1373 (die_checksum): Use VEC_iterate on attrs.
1374 (same_die_p): Likewise.
1375 (output_location_lists): Likewise.
1376 (build_abbrev_table): Likewise.
1377 (size_of_die): Likewise.
1378 (unmark_all_dies): Likewise.
1379 (output_abbrev_section): Likewise.
1380 (output_die): Likewise.
1381 (prune_unused_types_walk_attribs): Likewise.
1383 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1385 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1387 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1389 PR debug/27057
1390 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1392 2006-04-09 Roger Sayle <roger@eyesopen.com>
1394 * expr.c (store_constructor): Don't bother clearing target if
1395 we're about to assign a vector to it using vec_init_optab.
1397 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1399 * tree-ssa-alias.c (lhs_may_store_to): New function.
1400 (recalculate_used_alone): Handle LHS of calls.
1402 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1404 PR target/27034
1405 PR target/26508
1406 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1407 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1408 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1409 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1410 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1411 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1412 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1413 stubs. Add ".align 8" directives before all ".dword" directives.
1414 (GTHREAD_USE_WEAK): Revise comment.
1415 (TARGET_ATTRIBUTE_WEAK): Define.
1416 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1417 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1418 * stublib.c: New file.
1420 PR target/26743
1421 PR target/11254
1422 PR target/10274
1423 * pa.md (cbranch patterns): Revise arguments used in calls to
1424 output_cbranch, output_bb and output_bvd. Add long branch length
1425 attributes.
1426 (fbranch patterns): Handle long branches.
1427 (jump): Revise length check. Revise arguments for output_lbranch call.
1428 Add long branch length attributes.
1429 (decrement_and_branch_until_zero): Add long branch length attributes.
1430 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1431 Likewise. Revise arguments for output_parallel_addb and
1432 output_parallel_movb calls.
1433 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1434 output_parallel_movb and output_parallel_addb): Update prototypes.
1435 * pa.c (output_cbranch): Revise arguments. Correct handling of
1436 nullification in long branches.
1437 (output_lbranch): Add new argument to control extraction of delay
1438 instruction.
1439 (output_bb): Handle long branches.
1440 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1441 output_parallel_addb): Likewise.
1443 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1445 PR rtl-optimization/27073
1446 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1447 not REG_EQUIVs.
1449 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1451 * tree.h (tree_memory_tag): Add old_used_alone.
1452 (SMT_OLD_USED_ALONE): New macro.
1453 * tree-ssa-alias.c (recalculate_used_alone): Stop
1454 marking things for renaming unnecessarily.
1456 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1458 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1459 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1460 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1461 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1462 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1463 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1464 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1465 spelling convensions.
1466 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1467 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1468 typos. Follow spelling conventions.
1470 2006-04-07 DJ Delorie <dj@redhat.com>
1472 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1473 passed on the stack.
1474 (m32c_init_cumulative_args): When a function returns a structure,
1475 always pass the pointer to that return area on the stack.
1476 (m32c_function_arg_advance): Don't increment the parameter number
1477 if we're processing the returned structure pointer.
1478 (pushm_info): Reverse order of registers.
1480 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1482 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1483 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1484 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1485 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1486 build_int_cst_type.
1487 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1488 chrec_fold_multiply): Same.
1489 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1490 force_expr_to_var_cost): Same.
1491 * tree-mudflap.c (mf_xform_derefs_1): Same.
1492 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1494 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1496 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1497 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1498 insn.
1500 2006-04-07 Jan Hubicka <jh@suse.cz>
1502 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1504 2006-04-07 Richard Guenther <rguenther@suse.de>
1506 PR tree-optimization/26135
1507 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1508 loads for store copy-prop.
1509 (copy_prop_visit_stmt): Likewise.
1511 2006-04-05 Robert Millan <robertmh@gnu.org>
1513 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1514 being overriden in config/k*bsd-gnu.h.
1515 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1516 DYNAMIC_LINKER.
1517 * gcc/config/knetbsd-gnu.h: Ditto.
1519 2006-04-06 Jan Hubicka <jh@suse.cz>
1521 PR profile/20815
1522 PR profile/26399
1523 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1524 after buffer.
1526 2006-04-06 Mike Stump <mrs@apple.com>
1528 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1529 for HAVE_nonlocal_goto to be consistent.
1530 (expand_builtin_nonlocal_goto): Likewise.
1531 (expand_builtin_strcmp): Use #ifdef instead of #if
1532 for HAVE_cmpstrnsi to be consistent.
1534 2006-04-05 DJ Delorie <dj@redhat.com>
1536 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1537 vs m32c.
1539 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1541 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1542 got-relative addressing for anything but SImode.
1544 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1545 even if the calling function doesn't modify them.
1547 2006-04-05 Richard Guenther <rguenther@suse.de>
1549 PR tree-optimization/26919
1550 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1551 to cgraph_estimate_size_after_inlining.
1553 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1555 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1557 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1559 PR tree-optimization/26996
1560 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1561 VECTOR_TYPE variables.
1563 2006-04-05 Richard Guenther <rguenther@suse.de>
1565 PR tree-optimization/26763
1566 * fold-const.c (fold_comparison): Move folding of
1567 PTR + CST CMP PTR + CST ...
1568 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1570 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1572 * doc/install.texi (Prerequisites): Refine some wording on
1573 bootstrapping and ksh.
1574 Move the version numbers of DejaGnu here from the testing section
1575 and fix casing of names.
1576 Fix markup and clarify wording for autogen requirements.
1577 Refer to GCJ instead of just java.
1578 Refer to SVN instead of CVS.
1579 Describe diffutils as useful instead of necessary.
1580 (Downloading the source): Refer to SVN instead of CVS.
1581 Adjust a link to our web site accordingly.
1582 (Configuration): Fix casing of Bison.
1583 (Building): Refer to SVN instead of CVS.
1584 Fix a sentence on the use of Bison and remove duplicate (and
1585 incorrect) version number of Bison requirement.
1586 Remove one redundant list of packages needed for building.
1587 (Specific): Avoid reference to CVS.
1589 2006-04-04 Eric Christopher <echristo@apple.com>
1591 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1592 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1593 (rs6000_handle_struct_attribute): New.
1594 (rs6000_ms_bitfield_layout_p): Ditto.
1596 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1598 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1599 NULL for dso parameter to atexit_common.
1601 2006-04-04 Eric Christopher <echristo@apple.com>
1603 * config/i386/i386.c (machopic_output_stub): Output \t
1604 between instructions and operands.
1606 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1608 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1609 satisfies_constraint_[IL] to explicit tests on value.
1611 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1613 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1614 set_nb_iterations_in_loop): Use build_int_cst instead of
1615 build_int_cst_type.
1616 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1617 build_int_cst instead of convert.
1619 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1621 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1622 new value 2 for incoming.
1623 * function.c (expand_function_start): Call struct_value_rtx
1624 with incoming as 2.
1625 * config/sparc/sparc.md: Comment updated_return.
1626 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1627 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1628 struct return if sparc_std_struct_return and incoming is 2.
1629 (print_operand): Do not adjust return if
1630 sparc_std_struct_return.
1632 2006-04-04 Roger Sayle <roger@eyesopen.com>
1634 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1635 convert in the middle-end.
1636 * expr.c (store_expr, store_constructor, get_inner_reference,
1637 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1638 Likewise.
1639 * tree.c (build_range_type): Likewise.
1641 2006-04-04 Tom Tromey <tromey@redhat.com>
1643 * doc/install.texi (Prerequisites): Mention jar.
1645 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1647 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1648 subsection.
1650 2006-04-04 Matthias Klose <doko@debian.org>
1652 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1653 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1654 strings.
1656 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1658 * doc/extend.texi (Function Attributes): Rewrite visibility
1659 attribute documentation.
1660 * doc/invoke.texi (C++ Dialect Options): Rewrite
1661 -fvisibility-inlines-hidden documentation to describe something
1662 entirely different, although in practise compatible.
1663 (Code Gen Options): Warn about system headers in -fvisibiltity=
1664 documentation.
1666 * doc/extend.texi (Other Builtins): Document that
1667 __builtin_nan is a compile-time constant only when its argument
1668 is valid.
1670 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1672 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1673 trying to remove TRUNCATE check if all bits outside the new mode
1674 are identical to the sign bit.
1676 2006-04-03 Jeff Law <law@redhat.com>
1678 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1679 and operand scanning in some common cases.
1681 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1682 Dale Johannesen <dalej@apple.com>
1684 PR target/19653
1685 * regclass.c (struct reg_pref): Update documentation.
1686 (regclass): Set prefclass to NO_REGS if memory is the best option.
1687 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1688 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1689 into account. For non-registers, equate an empty preferred
1690 reload class to a `!' in the constraint; move the if clause to
1691 do so after those that reject the insn.
1692 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1693 return NO_REGS.
1694 (find_dummy_reload): Likewise.
1695 * doc/tm.texi (Register Classes): Document what it means
1696 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1697 * config/i386/i386.c (ix86_preferred_reload_class): Force
1698 using SSE registers (and return NO_REGS for floating-point
1699 constants) if math is done with SSE.
1700 (ix86_preferred_output_reload_class): New.
1701 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1702 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1703 * config/i386/i386.md: Remove # register preferences.
1705 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1707 PR bootstrap/26992
1708 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1709 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1710 the type of nb_iter.
1711 (instantiate_parameters_1): Convert the operands before calling
1712 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1713 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1715 2006-04-02 Roger Sayle <roger@eyesopen.com>
1717 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1718 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1719 instead of convert.
1720 * dojump.c (do_jump): Likewise.
1721 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1722 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1723 gimplify_boolean_expr): Likewise.
1724 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1725 * varasm.c (array_size_for_constructor): Likewise.
1726 * tree-object-size.c (compute_object_offset): Likewise.
1728 2006-04-02 Roger Sayle <roger@eyesopen.com>
1730 PR middle-end/26977
1731 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1732 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1734 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1736 PR tree-optimization/26939
1737 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1739 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1741 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1742 at_stmt. Convert the type of operands before calling
1743 build_polynomial_chrec.
1744 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1745 add_to_evolution_1.
1746 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1747 (instantiate_parameters_1): Convert the type of operands before calling
1748 build_polynomial_chrec.
1749 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1750 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1751 reset_evolution_in_loop): Insert asserts to check the types of the
1752 operands.
1753 (chrec_type): Moved...
1754 (eq_evolutions_p): Use operand_equal_p.
1755 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1756 the types of the operands.
1757 (chrec_type): ...here.
1758 * tree-data-ref.c (create_data_ref): Convert the operands before
1759 calling chrec_replace_initial_condition.
1760 (same_access_functions, analyze_subscript_affine_affine,
1761 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1762 (compute_subscript_distance, analyze_ziv_subscript,
1763 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1764 analyze_miv_subscript): Convert the operands before calling
1765 chrec_fold_minus or chrec_fold_plus.
1767 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1769 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1770 the dependence_relations vector.
1771 (compute_data_dependences_for_loop): Adjust call to
1772 compute_all_dependences.
1774 2006-04-01 Roger Sayle <roger@eyesopen.com>
1775 Richard Henderson <rth@redhat.com>
1777 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1778 gimple_boolify on the condition before calling gimplify_expr.
1780 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1782 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1783 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1784 the frame size. Update to use the new macros.
1785 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1786 * config/xtensa/ieee754-df.S: Likewise.
1788 2006-03-31 Richard Henderson <rth@redhat.com>
1790 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1791 (make_edges): ... here. Control fallthru creation with a local
1792 variable. Do not play with fake edges.
1793 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1794 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1795 a boolean.
1797 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1799 * dwarf2.h (DW64_CIE_ID): Define.
1800 * dwarf2out.c (DWARF_CIE_ID): Define.
1801 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1802 length header. Use DWARF_CIE_ID.
1803 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1804 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1806 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1808 * config/sh/linux-atomic.asm: New file.
1809 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1811 2006-03-31 DJ Delorie <dj@redhat.com>
1813 * config/m32c/cond.md: Set condition flags properly throughout.
1814 * config/m32c/minmax.md: Likewise.
1815 * config/m32c/prologue.md: Likewise.
1816 * config/m32c/bitops.md: Likewise.
1817 * config/m32c/muldiv.md: Likewise.
1818 * config/m32c/mov.md: Likewise.
1819 * config/m32c/addsub.md: Likewise.
1820 * config/m32c/m32c.md: Likewise.
1821 * config/m32c/jump.md: Likewise.
1822 * config/m32c/shift.md: Likewise.
1824 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1825 conditionally output the pattern for this.
1826 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1827 (m32c_compare_redundant): New.
1828 (m32c_output_compare): New.
1829 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1831 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1832 dest, not src. Allow other 4-byte modes.
1834 2006-03-30 Denis Chertykov <denisc@overta.ru>
1836 * doc/md.texi: Refer to avr/constraints.md instead of
1837 avr/avr.h.
1839 2006-03-30 Roger Sayle <roger@eyesopen.com>
1841 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1842 signed vs. unsigned comparison failures on some hosts.
1844 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1846 PR target/26459
1847 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1848 change to FLOAT_REGS.
1850 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1851 (rs6000_override_options): Use it.
1852 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1853 only for -mabi=spe/no-spe and -mabi=altivec.
1855 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1857 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1858 !Zdynamiclib.
1860 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1862 * Makefile.in: Rename docdir to gcc_docdir.
1864 2006-03-30 Roger Sayle <roger@eyesopen.com>
1866 PR target/17959
1867 * expr.c (emit_group_store): Optimize group stores into a pseudo
1868 register by using a paradoxical subreg to initialize the destination
1869 if the first or last member of the group specifies a "low part".
1871 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1873 PR target/26734
1874 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1875 * target.h (struct gcc_target.speculate_insn): Change type of the
1876 second parameter to 'int'.
1877 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1878 the second operand of the DEPS_LIST.
1879 (copy_DEPS_LIST_list): Update reference to the second operand of the
1880 DEPS_LIST.
1881 * rtl.h (alloc_DEPS_LIST): Update signature.
1882 * sched-int.h (ds_t): Change typedef to 'int'.
1883 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1885 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1887 * haifa-sched.c (try_ready): Change condition to restore
1888 non-speculative pattern of the instruction.
1889 (process_insn_depend_be_in_spec): Code to keep probability of the
1890 speculative dependence non-decreasing.
1892 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1894 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1895 (single_move_for_movmem): ... this. Also change all uses.
1896 (bfin_expand_strmov): Renamed to...
1897 (bfin_expand_movmem): ... this. Also change all uses.
1898 * config/bfin/bfin.md (movstrsi): Renamed to...
1899 (movstrsi): ...this.
1901 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1903 PR tree-optimization/26830
1905 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1906 (copy_prop_visit_stmt): Remove write-only variable ann.
1907 (init_copy_prop): Check variable loop depth here. Do not simulate
1908 memory-tag and virtual operand PHIs except for store copy prop.
1910 2006-03-30 Richard Guenther <rguenther@suse.de>
1912 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1913 variants with double arguments.
1915 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1917 * genpreds.c (write_tm_constrs_h): Delete variable p.
1918 * genconditions.c (write_header): Add tm-constrs.h to included
1919 headers.
1920 * genpeep.c (main): Add toplev.h to included headers.
1921 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1922 (build/genpeep.o): Add toplev.h dependency.
1923 * config/rs6000/constraints.md: Add "W" constraint.
1925 2006-03-29 Roger Sayle <roger@eyesopen.com>
1927 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1928 sizes by correctly testing whether the size fits a host integer.
1929 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1930 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1931 SImode range for the default sizetype and bitsizetype.
1933 2006-03-29 Roger Sayle <roger@eyesopen.com>
1935 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1936 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1937 quickly if the argument is already of the correct type.
1938 Call fold_build1 instead of build1. Tidy up blank lines.
1940 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1942 * genemit.c (main): Add tm-constrs.h to included headers.
1943 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1944 * genpeep.c (main): Add tm-constrs.h to included headers.
1945 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1946 (write_tm_constrs_h): this and write complete file.
1947 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1948 (write_insn_preds_c): Add tm-constrs.h to included headers.
1949 (gen_constrs): New variable.
1950 (parse_option): Parse "-c".
1951 (main): Invoke write_tm_constrs_h.
1952 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1953 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1954 (object_out_file): Add tm-constrs.h dependency.
1955 (insn-emit.o): Same.
1956 (insn-output.o): Same.
1957 (insn-peep.o): Same.
1958 (insn-preds.o): Same.
1959 (insn-recog.o): Same.
1960 (tm-constsr.h): New target.
1961 (s-constrs-h): New target.
1963 * config/rs6000/constraints.md: New file.
1964 * config/rs6000/rs6000.c: Include tm-constrs.h.
1965 (num_insn_constant_wide): Convert to satisfies_constraint.
1966 (rs6000_rtx_costs): Convert to satisfies_constraint.
1967 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1968 (CONST_OK_FOR_LETTER_P): Delete.
1969 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1970 (EXTRA_CONSTRAINT): Delete.
1971 (EXTRA_MEMORY_CONSTRAINT): Delete.
1972 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1973 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1974 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1975 satisfies_constraint.
1977 * config/i386/i386.c: Include tm-constrs.h.
1979 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1981 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1982 * tree-data-ref.c (find_data_references_in_loop,
1983 compute_data_dependences_for_loop): Use pointers to VEC.
1984 (analyze_all_data_dependences): Adjust calls.
1985 * tree-data-ref.h (find_data_references_in_loop,
1986 compute_data_dependences_for_loop): Adjust declarations.
1987 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1988 compute_data_dependences_for_loop.
1990 2006-03-29 Paul Brook <paul@codesourcery.com>
1992 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1993 (movdf_vfp): Ditto.
1995 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1997 PR tree-optimization/26859
1998 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1999 division by zero.
2000 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2001 for the step after fold_convert.
2003 2006-03-29 Paul Brook <paul@codesourcery.com>
2005 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2006 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2008 2006-03-29 Paul Brook <paul@codesourcery.com>
2010 PR middle-end/23623
2011 * targhooks.c (default_narrow_bitfield): New fuction.
2012 * targhooks.h (default_narrow_bitfield): add prototype.
2013 * target.h (gcc_target): Add narrow_volatile_bitfield.
2014 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2015 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2016 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2017 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2019 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2021 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2022 tmake_file.
2023 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2024 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2025 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2026 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2027 (s390_function_arg_float): Allow SDmode and DDmode values to be
2028 passed in floating point registers.
2029 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2030 check with SCALAR_FLOAT_MODE_P.
2031 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2033 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2035 PR tree-optimization/25985
2036 * tree-ssa-loop-niter.c (number_of_iterations_le,
2037 number_of_iterations_ne): Make comments more precise.
2038 (number_of_iterations_cond): Add only_exit argument. Use the
2039 fact that signed variables do not overflow only when only_exit
2040 is true.
2041 (loop_only_exit_p): New.
2042 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2043 number_of_iterations_cond.
2045 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2047 PR tree-optimization/26643
2048 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2049 bit_field_refs.
2051 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2053 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2054 (divsi3_i4_int): Likewise.
2056 2006-03-28 Roger Sayle <roger@eyesopen.com>
2058 * expr.c (emit_group_store): Only create a new pseudo reg if the
2059 quantity it needs to hold isn't already a suitable pseudo.
2061 2006-03-28 Jeff Law <law@redhat.com>
2063 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2064 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2066 2006-03-28 Roger Sayle <roger@eyesopen.com>
2068 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2069 the equivalent ~X & Y, and the symmetry related transformations.
2070 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2071 ~X & Y, and symmetry related transforms.
2073 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2075 Revert my 2006-03-27 patches.
2077 2006-03-28 Roger Sayle <roger@eyesopen.com>
2079 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2080 ~(T1)X, when T1 and T2 are integer types of the same precision
2081 and (T2)X isn't an extension.
2083 2006-03-28 Jeff Law <law@redhat.com>
2085 PR tree-optimization/26796
2086 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2087 need EH edge cleanups rather than purging them immediately.
2088 (eliminate_degenerate_phis): Handle queued EH cleanups.
2090 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2092 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2093 from parent_var.
2095 2006-03-27 Roger Sayle <roger@eyesopen.com>
2097 PR middle-end/22524
2098 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2099 cast BIT_NOT_EXPR operand to the correct type.
2101 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2103 * tree-loop-linear.c: Don't include varray.h.
2104 (gather_interchange_stats, try_interchange_loops,
2105 linear_transform_loops): Use VEC instead of VARRAY.
2106 * lambda-mat.c: Don't include varray.h.
2107 * tree-chrec.c: Same.
2108 * lambda-trans.c: Same.
2109 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2110 VEC instead of VARRAY.
2111 * tree-vectorizer.h: Idem.
2112 * tree-data-ref.c (dump_data_references,
2113 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2114 initialize_data_dependence_relation, finalize_ddr_dependent,
2115 compute_all_dependences, find_data_references_in_loop,
2116 compute_data_dependences_for_loop, analyze_all_data_dependences,
2117 free_dependence_relation, free_dependence_relations,
2118 free_data_refs): Idem.
2119 * tree-data-ref.h (data_reference_p, subscript_p): New.
2120 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2121 VEC instead of VARRAY.
2122 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2123 (find_data_references_in_loop, compute_data_dependences_for_loop,
2124 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2125 dump_data_dependence_relations, free_dependence_relations,
2126 free_data_refs): Adjust declaration.
2127 (lambda_transform_legal_p): Move declaration here...
2128 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2129 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2130 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2131 vect_analyze_data_refs): Use VEC instead of VARRAY.
2132 * lambda.h (lambda_transform_legal_p): ...from here.
2133 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2134 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2135 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2136 tree-chrec.o): Don't depend on VARRAY_H.
2138 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2140 * rtl.def (Copyright): Update date.
2141 (DEPS_LIST): Change type of the second operand to 'int'.
2142 * target.h (Copyright): Update date.
2143 (struct gcc_target.speculate_insn): Change type of the second parameter
2144 to 'int'.
2145 * lists.c (Copyright): Update date.
2146 (alloc_DEPS_LIST): Change signature. Update reference to the second
2147 operand of the DEPS_LIST.
2148 (copy_DEPS_LIST_list): Update reference to the second operand of the
2149 DEPS_LIST.
2150 * rtl.h (Copyright): Update date.
2151 (alloc_DEPS_LIST): Update signature.
2152 * sched-int.h (Copyright): Update date.
2153 (ds_t): Change typedef to 'int'.
2154 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2156 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2158 * haifa-sched.c (Copyright): Update date.
2159 (try_ready): Change condition to restore non-speculative pattern
2160 of the instruction.
2161 (process_insn_depend_be_in_spec): Code to keep probability of the
2162 speculative dependence non-decreasing.
2164 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2166 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2167 shut up the compiler.
2169 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2171 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2172 to use lib prefix for target.
2173 ($(T)libic_invalidate_array_4-200.a): Likewise.
2174 ($(T)libic_invalidate_array_4a.a): Likewise.
2176 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2177 J"orn Rennecke <joern.rennecke@st.com>
2179 * superh.opt: New file.
2180 * sh.c (boardtype, osruntime): Remove.
2181 * superh.h (SUBTARGET_OPTIONS): Remove.
2182 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2184 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2185 arguments with ^ and/or [].
2187 * config.gcc (sh-*-*): Add quoting to account for quirk of
2188 Solaris /bin/sh.
2189 Replace == with = in enable_incomplete_targets test.
2191 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2192 with MASK_LITTLE_ENDIAN.
2194 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2195 * config/sh/sh.opt: Added to some comments.
2196 * config/sh/superh.h: Removed some chaff.
2198 * config/sh/sh.opt: Add m4-[1234]00* options.
2199 * config/sh/sh.c (sh_handle_option): Likewise.
2200 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2201 (ic_invalidate_array_4-100.o): New rule.
2202 ($(T)libic_invalidate_array_4-100.a): Likewise.
2203 (ic_invalidate_array_4-200.o): Likewise.
2204 ($(T)libic_invalidate_array_4-200.a): Likewise.
2205 (ic_invalidate_array_4a.o): Likewise.
2206 ($(T)libic_invalidate_array_4a.a): Likewise.
2207 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2208 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2209 m4-200*, and m4a*.
2210 * config/sh/crt1.asm: Merged in profiling code.
2211 * config/sh/superh.h (STARTFILE_SPEC): Override.
2212 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2213 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2214 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2216 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2217 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2218 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2220 * sh.opt (mpretend-cmove): New option.
2221 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2222 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2223 (movsicc): Add TARGET_PRETEND_CMOVE code.
2225 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2227 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2228 s390_class_max_nregs): New function prototypes.
2229 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2230 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2231 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2232 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2234 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2236 * dwarf2out.c (add_location_or_const_value_attribute): Call
2237 tree_add_const_value_attribute if nothing else works.
2238 (reference_to_unused): New.
2239 (rtl_for_decl_init): Use reference_to_unused to decide whether
2240 to output an initializer.
2242 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2244 PR target/26459
2245 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2246 peephole removing spe frob_di_df_2.
2248 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2250 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2251 (subscript_dependence_tester_1): Declared.
2252 (print_dir_vectors, print_dist_vectors): New.
2253 (debug_data_dependence_relation): New.
2254 (dump_data_dependence_relation): Print more details.
2255 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2256 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2257 (save_dist_v, save_dir_v, add_outer_distances,
2258 build_classic_dist_vector_1): New.
2259 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2260 Don't test for lambda_vector_lexico_pos.
2261 (same_access_functions, add_multivariate_self_dist,
2262 add_other_self_distances, dir_from_dist): New.
2263 (build_classic_dir_vector): Replace implementation almost identical to
2264 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2265 dir_from_dist.
2266 (subscript_dependence_tester_1): New.
2267 (subscript_dependence_tester): Handle the lexicographically negative
2268 distance vectors by recomputing the dependence relation.
2269 (compute_affine_dependence): Remove parameter loop_nest_depth.
2270 (compute_self_dependence): Don't call compute_subscript_distance.
2271 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2272 Add a parameter for the loop_nest.
2273 (find_loop_nest_1, find_loop_nest): New.
2274 (compute_data_dependences_for_loop): Compute the loop nest, and give
2275 up if the nest is not well formed.
2276 * tree-data-ref.h (loop_p): New.
2277 (struct data_dependence_relation): Replace size_vect field with
2278 loop_nest, a vec of loops.
2279 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2280 (DDR_LOOP_NEST): New.
2281 (print_dir_vectors, print_dist_vectors,
2282 debug_data_dependence_relation): Declared.
2283 (index_in_loop_nest): New.
2284 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2285 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2286 distance.
2288 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2290 * simplify-rtx.c (simplify_relational_operation): Call
2291 simplify_relational_operation_1 even if mode is VOIDmode.
2293 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2295 PR tree-optimization/26804
2296 * tree.h (DECL_CALL_CLOBBERED): New macro.
2297 (tree_decl_common): Add call_clobbered_flag.
2298 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2299 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2300 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2301 (mark_non_addressable): Ditto.
2302 * tree-ssa.c (verify_call_clobbered): New function.
2303 (verify_alias_info): Use it.
2304 * tree-pass.h (pass_reset_cc_flags): New prototype.
2305 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2306 (reset_cc_flags): New function.
2307 * passes.c (init_optimization_passes): Call reset_cc_flags after
2308 initializing referenced_vars.
2310 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2311 Roger Sayle <roger@eyesopen.com>
2313 PR middle-end/26717
2314 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2315 to 1.0 for non-real operands. Implement A / A optimization for
2316 complex operands.
2318 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2320 * config/i386/i386.c (size_cost): Correct the comment for
2321 cost of storing fp registers.
2322 (i386_cost): Likewise.
2323 (i486_cost): Likewise.
2324 (pentium_cost): Likewise.
2325 (pentiumpro_cost): Likewise.
2326 (k6_cost): Likewise.
2327 (athlon_cost): Likewise.
2328 (k8_cost): Likewise.
2329 (pentium4_cost): Likewise.
2330 (nocona_cost): Likewise.
2331 (generic64_cost): Likewise.
2332 (generic32_cost): Likewise.
2334 2006-03-24 Denis Chertykov <denisc@overta.ru>
2336 * config/avr/avr-protos.h (extra_constraint): Delete.
2337 (extra_constraint_Q): New declaration.
2338 * config/avr/constraints.md: New file.
2339 * config/avr/avr.md: Include it.
2340 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2341 (TMP_REGNO, ZERO_REGNO): Likewise.
2342 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2343 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2344 (extra_constraint): Delete.
2345 (extra_constraint_Q): Test for memory constraint 'Q'.
2346 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2347 (REG_CLASS_FROM_LETTER): Delete.
2348 (CONST_OK_FOR_LETTER_P): Delete.
2349 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2350 (EXTRA_CONSTRAINT): Delete.
2351 (TMP_REGNO): Delete.
2352 (ZERO_REGNO): Delete.
2354 2006-03-24 Jeff Law <law@redhat.com>
2356 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2357 directly. Call mark_new_vars_to_rename slightly earlier.
2359 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2361 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2362 (is_cxx): Likewise.
2363 (gen_compile_unit_die): Use new language types for Objective-C and
2364 Objective-C++.
2365 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2366 DW_LANG_C_plus_plus.
2368 PR 26793
2369 * config/t-darwin (crt3.o): Work around bug 26840.
2370 * config/darwin-crt3.c: Rewrite.
2371 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2373 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2375 * doc/invoke.texi: Document -femit-class-debug-always
2376 * common.opt: Add -femit-class-debug-always.
2378 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2380 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2381 index and base register.
2382 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2383 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2384 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2385 REGNO_OK_FOR_INDEX_P.
2386 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2387 ADDR_REGNO_P.
2388 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2389 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2390 REG_OK_FOR_BASE_P): Definitions removed.
2392 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2394 PR middle-end/26611
2395 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2396 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2397 set yet or weren't marked as local yet.
2399 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2401 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2402 the compiler.
2404 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2406 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2407 (rs6000_legitimate_small_data_p): Delete.
2408 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2409 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2410 and make static. Add forward declaration. Update uses.
2411 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2412 of offsettable_memref_p.
2413 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2414 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2416 2006-03-24 Jeff Law <law@redhat.com>
2418 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2419 around bug in immediate-use iterator.
2421 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2423 PR target/26607
2424 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2425 or __LITTLE_ENDIAN__.
2427 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2429 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2430 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2431 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2432 * config/sh/sh.opt (mdiv=): Amend description.
2433 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2434 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2435 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2436 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2437 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2438 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2439 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2440 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2441 TARGET_DIVIDE_CALL_FP.
2443 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2445 * haifa-sched.c (choose_ready): Fix type of the local variable.
2446 Move local variables. Add comment.
2447 (check_reg_live): Change signature. Make callable from debugger.
2448 * sched-int.h (check_reg_live): Update signature.
2449 * sched-ebb.c (check_reg_live): Update parameters.
2450 * sched-rgn.c (check_reg_live): Ditto.
2451 (region_head_or_leaf_p): Check pointer before dereferencing.
2452 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2453 before reload on optimization levels below 1.
2455 2006-03-23 Richard Henderson <rth@redhat.com>
2457 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2458 tls symbols.
2460 PR target/26347
2461 * config/alpha/predicates.md (local_symbolic_operand): Reject
2462 weak symbols.
2464 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2466 PR tree-opt/26795
2467 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2468 expressions which have overflowed constants.
2470 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2472 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2474 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2476 * cfgloopmanip.c (create_loop_notes): Removed.
2477 * final.c (final_scan_insn): Do not handle loop notes.
2478 * jump.c (squeeze_notes): Ditto.
2479 * cfglayout.c (skip_insns_after_block,
2480 duplicate_insn_chain): Ditto.
2481 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2482 create_loop_notes.
2483 * cfgloop.h (create_loop_notes): Declaration removed.
2485 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2487 * varasm.c (output_constant_pool): Restore fnname and fndecl
2488 arguments.
2489 (assemble_start_function): Adjust call accordingly.
2490 (assemble_end_function): Likewise.
2492 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2494 PR mudflap/26789
2495 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2497 PR mudflap/26790
2498 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2500 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2502 PR driver/22600
2503 * system.h (ICE_EXIT_CODE): New macro.
2504 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2505 (diagnostic_action_after_output): Likewise.
2506 * gcc.c (fatal_ice): New function.
2507 (execute): Use it instead of fatal.
2508 (fancy_abort): Likewise.
2509 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2511 2006-03-22 Jeff Law <law@redhat.com>
2513 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2514 iv_analyze_result returning false.
2516 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2518 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2520 2006-03-22 Richard Henderson <rth@redhat.com>
2522 PR middle-end/26084
2523 * except.c (duplicate_eh_regions_0): New.
2524 (duplicate_eh_region_1): Duplicate the children of the node as
2525 well as the node itself. Link them up properly.
2526 (duplicate_eh_region_2): Merge into ...
2527 (duplicate_eh_regions): ... here. Take copy_region argument, and
2528 copy only a sub-tree if asked. Simplify copying and fixup.
2529 (eh_region_outer_p): New.
2530 * except.h (duplicate_eh_regions): Update decl.
2531 (eh_region_outer_p): Declare.
2532 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2533 (lower_omp_master): Likewise.
2534 (lower_omp_ordered): Likewise.
2535 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2536 (move_stmt_r): Use it to remap labels. Handle recursion vs
2537 remap_decls_p properly.
2538 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2539 (find_outermost_region_in_block): New.
2540 (new_label_mapper): New.
2541 (move_sese_region_to_fn): Copy eh information to the new function
2542 properly.
2543 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2544 argument.
2545 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2546 number.
2548 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2550 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2551 into shared libraries.
2553 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2555 * doc/md.texi: Refer to i386/constraints.md instead of
2556 i386/predicates.md.
2557 * config/i386/constraints.md: New file, extracted from...
2558 * config/i386/predicates.md: ...here.
2559 * config/i386/i386.md: Include constraints.md.
2561 2006-03-21 Jason Merrill <jason@redhat.com>
2563 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2565 PR middle-end/20297
2566 * expr.c (init_block_move_fn): Force default visibility.
2567 (init_block_clear_fn): Likewise.
2568 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2569 * targhooks.c (default_external_stack_protect_fail): Likewise.
2571 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2573 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2574 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2575 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2576 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2577 (loadgp): Use mips_current_loadgp_style.
2578 (loadgp_noshared): New pattern.
2579 (sibcall_internal): Use MIPS_CALL.
2580 (sibcall_value_internal): Likewise.
2581 (sibcall_value_multiple_internal): Likewise.
2582 (call_internal): Likewise.
2583 (call_value_internal): Likewise.
2584 (call_value_multiple_internal): Likewise.
2585 (call_split): Use MIPS_CALL and add an 'S' constraint.
2586 (call_value_split): Likewise.
2587 (call_value_multiple_split): Likewise.
2588 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2589 (-mshared): New option.
2590 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2591 (mips_current_loadgp_style): Declare.
2592 * config/mips/mips.c (mips_classify_symbol): Avoid using
2593 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2594 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2595 TARGET_ABSOLUTE_ABICALLS.
2596 (override_options): Adjust comments. Improve the warning that is
2597 issued when -mabicalls and -G are used together.
2598 (mips_file_start): Remove comment.
2599 (mips_current_loadgp_style): New function.
2600 (mips_gnu_local_gp): New variable.
2601 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2602 LOADGP_ABSOLUTE.
2603 (mips_output_function_prologue): Use mips_current_laodgp_style.
2604 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2605 the cprestore instruction.
2606 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2607 live for TARGET_ABSOLUTE_ABICALLS.
2608 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2609 (ASM_SPEC): Pass down -mshared and -mno-shared.
2610 (MIPS_CALL): New macro.
2611 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2612 definition.
2613 * doc/invoke.texi (-mabicalls): Update documentation.
2614 (-mshared): Document.
2616 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2618 * config/ia64/unwind-hpux.c: New file.
2619 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2621 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2623 PR libgomp/26384
2624 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2626 2006-03-21 Jeff Law <law@redhat.com>
2628 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2629 type conversions of a VR_VARYING source to a wider type.
2631 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2633 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2634 tm_file on Solaris 10 and later.
2635 (sparc64-*-solaris2*): Likewise.
2636 (sparc-*-solaris2*): Likewise.
2637 * config/sol26.h: Rename to config/sol2-6.h.
2638 * config/sol2-10.h: New file.
2640 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2642 PR tree-opt/26781
2643 * tree-ssa-pre.c (create_component_ref_by_pieces):
2644 Handle STRING_CST.
2646 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2648 PR c++/26690
2649 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2650 return it immediately.
2652 2006-03-21 Michael Matz <matz@suse.de>
2654 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2655 New members.
2656 (remove_arc, add_arc): Update num_out_arcs member.
2657 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2658 of out arcs.
2659 (cache_presence): New function.
2660 (compare_states_for_equiv): New function.
2661 (state_is_differed): Don't take number of outargs, adjust callers.
2662 Use new invariant for speeding up.
2663 (init_equiv_class): Create initial classes based on sorted
2664 input.
2665 (partition_equiv_class): Don't track out_arcs_num.
2666 (evaluate_equiv_classes): Call cache_presence on all states and
2667 sort them.
2669 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2671 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2672 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2673 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2674 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2675 callers changed.
2676 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2677 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2678 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2679 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2680 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2681 macros.
2682 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2683 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2684 (REGNO_REG_CLASS): ARGP is in PREGS.
2685 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2686 IREGS.
2687 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2688 to deal with those addresses.
2689 * addresses.h: New file.
2690 * caller-save.c: Include "addresses.h".
2691 (init_caller_save): Use new base_reg_class function.
2692 * rtl-factoring.c: Include "addresses.h".
2693 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2694 * recog.c: Include "addresses.h".
2695 (preprocess_constraints): Use new base_reg_class function.
2696 * regrename.c: Include "addresses.h".
2697 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2698 functions. Keep track of a new var INDEX_CODE to compute valid
2699 classes.
2700 (replace_oldest_value_addr): Likewise.
2701 (replace_oldest_value_mem): Use base_reg_class.
2702 * reload.c: Include "addresses.h".
2703 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2704 (find_reloads): Use new base_reg_class function.
2705 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2706 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2707 all callers and prototype changed.
2708 * reload1.c: Include "addresses.h".
2709 (maybe_fix_stack_asms): Use base_reg_class.
2710 * regclass.c: Include "addresses.h".
2711 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2712 (init_reg_autoinc): Use new base_reg_class function.
2713 (record_reg_classes): Likewise.
2714 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2715 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2716 Use new args to compute necessary class.
2718 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2719 regrename.o, rtl-factoring.o): Update dependencies.
2720 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2721 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2722 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2723 REG_OK_FOR_INDEX_P): Delete documentation.
2725 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2727 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2728 from V7 to V9 for Solaris 7 and above.
2730 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2732 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2733 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2734 argument pointers may not alias any other storage.
2735 * common.opt: Define option -fargument-noalias-anything.
2736 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2737 alias semantics is specified by flag_argument_noalias > 2.
2739 2006-03-20 Jeff Law <law@redhat.com>
2741 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2742 (pass_phi_only_cprop): Declare.
2743 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2744 with phi_only_cprop
2745 * tree-ssa-dom.c (degenerate_phi_result): New function.
2746 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2747 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2748 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2749 (eliminate_degenerate_phis): Likewise.
2750 (pass_phi_only_cprop): New pass descriptor.
2751 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2752 support code. Callers updated.
2753 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2754 (store_copy_prop): Likewise.
2755 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2757 2006-03-20 Jason Merrill <jason@redhat.com>
2759 PR c++/21764
2760 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2761 (push_visibility, pop_visibility): Likewise.
2762 * c-pragma.h: Declare them.
2764 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2766 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2768 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2769 parameter and use get_ebb_head_tail.
2770 (sh_md_init_global): Adjust uses of find_regmode_weight.
2772 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2774 * function.h (struct function) <x_tail_recursion_reentry>:
2775 Rename to x_stack_check_probe_note.
2776 (tail_recursion_reentry): Rename to stack_check_probe_note.
2777 * function.c: Replace tail_recursion_reentry with
2778 stack_check_probe_note everywhere.
2779 (expand_function_start): Only emit a note for
2780 stack_check_probe_note with -fstack-protect.
2781 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2783 * emit-rtl.c (remove_unnecessary_notes): Remove.
2784 (pass_remove_unnecessary_notes): Remove.
2785 * rtl.h (remove_unnecessary_notes): Remove prototype.
2786 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2787 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2788 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2790 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2792 PR tree-opt/26629
2793 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2794 (valid_in_set): Handle ARRAY_REF.
2795 Change "if min_variant or VH" to asserts.
2796 (create_component_ref_by_pieces): Handle ARRAY_REF.
2797 (create_expression_by_pieces): Likewise.
2798 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2800 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2802 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2803 is operand of switch, not str[0].
2805 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2807 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2808 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2810 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2812 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2813 end of insn_extra_address_constraint declaration.
2815 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2817 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2818 (no-sum-in-toc): Same.
2819 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2820 variables.
2821 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2822 NO_FP_IN_TOC for -fPIC instead of mask.
2824 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2825 (BOOT_LDFLAGS): Delete.
2826 (LDFLAGS): Delete.
2827 * config/rs6000/t-aix52: Same.
2829 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2830 (stmsi[345678]_power): New.
2832 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2834 * config/ia64/ia64.opt: Add empty line to end of file.
2836 2006-03-17 Richard Guenther <rguenther@suse.de>
2838 PR middle-end/26721
2839 * builtins.c (get_pointer_alignment): For component style references
2840 adjust alignment to the component type alignment. Make sure
2841 to adjust alignment for component access of constants.
2843 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2845 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2846 unconditional jump.
2848 2006-03-17 Paul Brook <paul@codesourcery.com>
2850 * doc/install.texi: Docuemnt --with-mode.
2851 * config.gcc: Add --with-mode for arm*-*-*.
2852 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2854 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2856 * sh.c (max_labelno_before_reorg): New variable.
2857 (sh_reorg): Initialize it.
2858 (find_barrier): Check max_labelno_before_reorg before using
2859 label_to_alignment. Take length of explicit alignment insns
2860 into account. When seeing a UNSPECV_CONST_END, return it.
2862 * sh.c (fixup_mova): Set mode of affected label to QImode.
2863 (untangle_mova): New function.
2864 (find_barrier): Use it. Check mode of label before decrementing
2865 num_mova.
2866 (sh_reorg): Likewise.
2867 Set mode of all insns back to VOIDmode.
2869 * sh.c (MOVA_LABELREF): New macro.
2870 (mova_p, fixup_mova, sh_reorg): Use it.
2871 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2872 ADDR_DIFF_VEC matches mova.
2874 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2876 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2877 with ATTRIBUTE_UNUSED.
2879 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2881 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2882 pointer, instead of assuming it is possible to derive the
2883 correct args size from a call insn.
2885 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2887 * rtl.h (CONST_INT_P): Define.
2888 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2889 instead of GET_CODE(x) == CONST_INT.
2890 (vax_rtx_costs): Likewise.
2891 (vax_output_int_move): Likewise.
2892 (vax_output_int_add): Likewise.
2893 (legitimate_constant_address_p): Likewise.
2894 (index_term_p): Likewise.
2895 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2896 * config/vax/vax.md (and<mode>3): Likewise.
2897 (ashrsi3): Likewise.
2898 (extv): Likewise.
2899 (movstricthi): Likewise.
2900 (movstrictqi): Likewise.
2901 (rotrsi3): Likewise.
2902 (five unnamed insns): Likewise.
2904 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2906 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2907 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2908 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2909 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2910 Pass to ASM_OUTPUT_DWARF_OFFSET.
2911 * dwarf2out.c (debug_frame_section): New.
2912 (output_call_frame_info): Use debug_frame_section. Pass it to
2913 dw2_asm_output_offset.
2914 (output_die): Pass appropriate section to dw2_asm_output_offset.
2915 (output_compilation_unit_header): Likewise.
2916 (output_pubnames): Likewise.
2917 (output_aranges): Likewise.
2918 (enum dw_val_class): Break dw_val_class_lbl_offset into
2919 dw_val_class_lineptr and dw_val_class_macptr.
2920 (add_AT_lbl_offset): Delete.
2921 (add_AT_lineptr): New.
2922 (add_AT_macptr): New.
2923 (AT_lbl): Expect a lineptr or macptr.
2924 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2925 (attr_checksum): Likewise.
2926 (same_dw_val_p): Likewise.
2927 (size_of_die): Likewise.
2928 (value_format): Likewise.
2929 (output_die): Likewise.
2930 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2931 add_AT_lbl_offset.
2932 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2933 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2934 * config/darwin-protos.h (darwin_file_start): New.
2935 (darwin_asm_output_dwarf_offset): New.
2936 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2937 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2938 darwin_file_start.
2939 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2940 if not EH section; simplify.
2941 (darwin_file_start): New.
2942 (darwin_asm_output_dwarf_offset): New.
2943 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2944 mark as 'debug'.
2945 (DEBUG_INFO_SECTION): Likewise.
2946 (DEBUG_ABBREV_SECTION): Likewise.
2947 (DEBUG_ARANGES_SECTION): Likewise.
2948 (DEBUG_MACINFO_SECTION): Likewise.
2949 (DEBUG_LINE_SECTION): Likewise.
2950 (DEBUG_LOC_SECTION): Likewise.
2951 (DEBUG_PUBNAMES_SECTION): Likewise.
2952 (DEBUG_STR_SECTION): Likewise.
2953 (DEBUG_RANGES_SECTION): Likewise.
2954 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2955 (ASM_OUTPUT_DWARF_OFFSET): New.
2957 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2959 * config.gcc (tm_defines): Always add to previous value rather
2960 than replacing it.
2962 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2964 * config/mips/predicates.md (splittable_const_int_operand): New,
2965 split from move_operand.
2966 (splittable_symbolic_operand): New.
2967 (move_operand): Add commentary. Use splittable_const_int_operand.
2968 Inline mips_atomic_symbolic_constant_p.
2969 * config/mips/mips.md: Add combine splitters for handling moves
2970 of splittable_const_int_operands and splittable_symbolic_operands.
2971 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2972 (mips_split_symbol): Declare.
2973 (mips_move_integer): Declare.
2974 * config/mips/mips.c (mips_split_p): Make global.
2975 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2976 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2977 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2978 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2979 (mips_offset_within_object_p): Handle block symbols.
2980 (mips_atomic_symbolic_constant_p): Delete.
2981 (mips_cannot_force_const_mem): Return false for constants that
2982 mips_legitimize_move can handle.
2983 (mips_use_blocks_for_constant_p): New function.
2984 (mips_split_symbol): Make global.
2985 (mips_move_integer): Likewise. Add a temporary register argument.
2986 (mips_legitimize_const_move): Use splittable_const_int_operand and
2987 splittable_symbolic_operand.
2988 (mips_use_anchors_for_symbol_p): New function.
2989 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2990 (mips_split_p): Declare.
2992 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2994 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2995 (mips*-*-linux*): Likewise.
2997 2006-03-16 Roger Sayle <roger@eyesopen.com>
2998 Daniel Speyer <dspeyer@wam.umd.edu>
3000 PR middle-end/18259
3001 * tree-dump.c (dump_real): New function.
3002 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3003 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3004 (tree-dump.o): Add $(REAL_H) to the dependencies.
3006 2006-03-16 Roger Sayle <roger@eyesopen.com>
3008 PR middle-end/21781
3009 * real.c (real_from_string): If the mantissa is zero, don't bother
3010 parsing the exponent as the result should always be zero.
3012 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3014 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3016 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3018 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3019 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3020 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3021 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3022 ia64_sched_finish_global): New static functions to implement
3023 hooks from gcc_target.sched.
3024 (spec_check_no, max_uid, pending_data_specs): New static variables.
3025 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3026 ia64_spec_check_src_p): New static functions.
3027 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3028 (TARGET_SCHED_ADJUST_COST): Removed.
3029 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3030 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3031 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3032 TARGET_SCHED_GEN_CHECK,
3033 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3034 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3035 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3036 Fixed to handle speculation checks.
3037 (rtx_needs_barrier): Fixed to handle speculative loads and
3038 their checks.
3039 (ia64_variable_issue): Added code to count speculative loads and their
3040 checks.
3041 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3042 speculative loads.
3043 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3044 New enumerations.
3045 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3046 New constants.
3047 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3048 (ia64_reorg): Reset stops_p to NULL after it is freed.
3049 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3050 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3051 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3052 chk_a.
3053 (data_speculative, control_speculative, check_load): New attributes.
3054 (mov<mode>_advanced, mov<mode>_speculative,
3055 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3056 zero_extend<mode>di2_speculative,
3057 zero_extend<mode>di2_speculative_advanced): New patterns for
3058 data and control speculative loads.
3059 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3060 check loads.
3061 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3062 New pattern for data and control speculation checks.
3063 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3064 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3065 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3066 Auxiliary definitions for the patterns.
3067 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3068 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3069 constraints.
3070 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3071 for speculation.
3072 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3073 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3074 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3075 New resource constraints.
3076 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3077 for speculation.
3078 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3079 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3080 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3081 msched-in-control-spec, msched-ldc, msched-control-ldc,
3082 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3083 msched-prefer-non-control-spec-insns,
3084 msched-count-spec-in-critical-path): New flags to tune speculative
3085 scheduling.
3086 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3087 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3088 msched-in-control-spec, msched-ldc, msched-control-ldc,
3089 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3090 msched-prefer-non-control-spec-insns,
3091 msched-count-spec-in-critical-path): Document new flags.
3093 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3095 * target.h (struct spec_info_def): New opaque declaration.
3096 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3097 speculate_insn, needs_block_p, gen_check,
3098 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3099 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3100 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3101 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3102 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3103 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3104 gcc_target.sched.
3105 (TARGET_SCHED): Use new macros.
3106 * rtl.h (copy_DEPS_LIST_list): New prototype.
3107 * sched-int.h (struct sched_info): Change signature of new_ready field,
3108 adjust all initializations. New fields: add_remove_insn,
3109 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3110 region_head_or_leaf_p.
3111 (struct spec_info_def): New structure declaration.
3112 (spec_info_t): New typedef.
3113 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3114 recovery_block, orig_pat.
3115 (glat_start, glat_end): New variables declaraions.
3116 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3117 New access macros.
3118 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3119 DETACH_LIFE_INFO, USE_GLAT.
3120 (enum SPEC_SCHED_FLAGS): New enumeration.
3121 (NOTE_NOTE_BB_P): New macro.
3122 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3123 attach_life_info, debug_spec_status, check_reg_live): New functions.
3124 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3125 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3126 sched-ebb.c
3127 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3128 * ddg.c (get_block_head_tail): Adjust all uses.
3129 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3130 (sms_sched_info): Initialize new fields.
3131 (contributes_to_priority): Removed.
3132 * haifa-sched.c (params.h): New include.
3133 (get_block_head_tail): Adjust all uses.
3134 (ISSUE_POINTS): New macro.
3135 (glat_start, glat_end): New global variables.
3136 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3137 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3138 old_last_basic_block, before_recovery, current_sched_info_var,
3139 rgn_n_insns, luid): New static variables.
3140 (insn_cost1): New function. Move logic from insn_cost to here.
3141 (find_insn_reg_weight1): New function. Move logic from
3142 find_insn_reg_weight to here.
3143 (reemit_notes, move_insn, max_issue): Change signature.
3144 (move_insn1): Removed.
3145 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3146 extend_bb): New static functions to support extension of scheduler's
3147 data structures.
3148 (generate_recovery_code, process_insn_depend_be_in_spec,
3149 begin_speculative_block, add_to_speculative_block,
3150 init_before_recovery, create_recovery_block, create_check_block_twin,
3151 fix_recovery_deps): New static functions to support
3152 generation of recovery code.
3153 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3154 restore_bb_notes, move_block_after_check, move_succs): New static
3155 functions to support ebb scheduling.
3156 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3157 functions to support handling of register live information.
3158 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3159 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3160 add_jump_dependencies): New static functions.
3161 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3162 consistancy checking.
3163 (debug_spec_status): New function to call from debugger.
3164 (priority): Added code to handle speculation checks.
3165 (rank_for_schedule): Added code to distinguish speculative instructions.
3166 (schedule_insn): Added code to handle speculation checks.
3167 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3168 Fixed to handle ebbs.
3169 (move_insn): Added code to handle ebb scheduling.
3170 (max_issue): Added code to use ISSUE_POINTS of instructions.
3171 (choose_ready): Added code to choose between speculative and
3172 non-speculative instructions.
3173 (schedule_block): Added code to handle ebb scheduling and scheduling of
3174 speculative instructions.
3175 (sched_init): Initialize new variables.
3176 (sched_finish): Free new variables. Print statistics.
3177 (try_ready): Added code to handle speculative instructions.
3178 * lists.c (copy_DEPS_LIST_list): New function.
3179 * sched-deps.c (extend_dependency_caches): New function. Move logic
3180 from create_dependency_caches to here.
3181 (get_dep_weak, ds_merge): Make global.
3182 * genattr.c (main): Code to output prototype for
3183 dfa_clear_single_insn_cache.
3184 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3185 (output_dfa_clean_insn_cache_func): Code to output
3186 dfa_clear_single_insn_cache function.
3187 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3188 n_insns.
3189 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3190 Removed.
3191 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3192 New static variables.
3193 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3194 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3195 struct sched_info.
3196 (ebb_sched_info): Initialize new fields.
3197 (get_block_head_tail): Adjust all uses.
3198 (compute_jump_reg_dependencies): Fixed to use glat_start.
3199 (schedule_ebb): Code to remove unreachable last block.
3200 (schedule_ebbs): Added code to update register live information.
3201 * sched-rgn.c (region_sched_info): Initialize new fields.
3202 (get_block_head_tail): Adjust all uses.
3203 (last_was_jump): Removed. Adjust users.
3204 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3205 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3206 Implement new hooks.
3207 (check_dead_notes1): New static function.
3208 (struct region): New fields: dont_calc_deps, has_real_ebb.
3209 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3210 (BB_TO_BLOCK): Fixed to handle EBBs.
3211 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3212 (ebb_head): New static variable.
3213 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3214 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3215 new fields.
3216 (compute_dom_prob_ps): New assertion.
3217 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3218 global_live_at_start.
3219 (init_ready_list): New assertions.
3220 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3221 (new_ready): Add support for BEGIN_CONTROL speculation.
3222 (schedule_insns): Fixed code that updates register live information
3223 to handle EBBs.
3224 (schedule_region): Fixed to handle EBBs.
3225 (init_regions): Use extend_regions and check_dead_notes1.
3226 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3227 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3228 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3229 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3230 TARGET_SCHED_GEN_CHECK,
3231 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3232 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3233 * doc/invoke.texi (max-sched-insn-conflict-delay,
3234 sched-spec-prob-cutoff): Document.
3236 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3238 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3239 inter_tick, queue_index.
3240 (struct sched_info): Change signature of init_ready_list field.
3241 Adjust all initializations.
3242 (RESOLVED_DEPS): New access macro.
3243 (ready_add): Remove prototype.
3244 (try_ready): Add prototype.
3245 * sched-rgn.c (init_ready_list): Use try_ready.
3246 (schedule_region): Initialize
3247 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3248 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3249 (init_ready_list): Use try_ready.
3250 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3251 * lists.c (remove_list_elem): Remove `static'.
3252 (remove_free_INSN_LIST_elem): New function.
3253 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3254 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3255 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3256 New constants.
3257 (readyp): New variable.
3258 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3259 change_queue_index, resolve_dep): New static functions.
3260 (try_ready): New function. Adjust callers in sched-rgn.c and
3261 sched-ebb.c to use it instead of ready_add.
3262 (clock_var): Move at the begining of file.
3263 (rank_for_schedule): Fix typo.
3264 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3265 (ready_lastpos): Enforce assertion.
3266 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3267 update all callers.
3268 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3269 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3270 (queue_to_ready): Use free_INSN_LIST_list.
3271 (early_queue_to_ready): Fix typo.
3272 (schedule_block): Init readyp. Move init_ready_list call after the
3273 initialization of clock_var. Fix error in rejecting insn by
3274 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3275 that previously corrected INSN_TICKs. Add code for handling
3276 QUEUE_INDEX.
3277 (set_priorities): Fix typo.
3278 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3279 Clarify comment and code that keeps current_sched_info->next_tail
3280 non-null.
3282 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3284 * sched-rgn.c (extend_rgns): New static function.
3285 (find_rgns): Use it.
3286 (gather_region_statistics, print_region_statistics): New static
3287 functions.
3288 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3289 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3291 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3292 Andrey Belevantsev <abel@ispras.ru>
3294 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3295 * lists.c (unused_deps_list): New variable.
3296 (free_list): Add assertions to verify the proper distinguishing
3297 between INSN_LISTs and DEPS_LISTs.
3298 (find_list_elem, remove_list_elem, remove_list_node): New static
3299 functions.
3300 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3301 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3302 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3303 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3304 an INSN_LIST.
3305 (free_INSN_LIST_node): Likewise.
3306 * modulo-sched.c (current_sched_info): Initialize flags field.
3307 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3308 * rtl.def (DEPS_LIST): Define.
3309 * rtl.h: Declare new functions from lists.c.
3310 * sched-deps.c (spec_dependency_cache): New static variable.
3311 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3312 (add_dependence): Change return type to void. Move the logic to ...
3313 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3314 (delete_all_dependences): Add comment about forward_dependency_cache.
3315 Handle spec_dependency_cache. Handle DEPS_LISTs.
3316 (fixup_sched_groups): Clarify the change of priority of output
3317 and anti dependencies.
3318 (sched_analyze_2): Adjust add_dependence calls to create data
3319 speculative dependence.
3320 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3321 Adjust all callers. Handle DEPS_LISTS.
3322 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3323 presence of speculation.
3324 (init_dependency_caches, free_dependency_caches):
3325 Handle spec_dependency_cache.
3326 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3327 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3328 New static functions.
3329 (add_or_update_back_dep, add_or_update_back_forw_dep,
3330 add_back_forw_dep, delete_back_forw_dep): New functions.
3331 * sched-int.h (ds_t, dw_t): New typedefs.
3332 (struct sched_info): Add new field flags.
3333 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3334 Prototype new sched-deps.c functions.
3335 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3336 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3337 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3338 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3339 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3340 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3341 New constants.
3342 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3343 New enums.
3344 * sched-rgn.c (current_sched_info): Initialize flags field.
3345 (schedule_insns): Initialize current_sched_info before the sched_init
3346 call.
3347 * sched-ebb.c (current_sched_info): Initialize flags field.
3348 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3349 Call add_or_update_back_dep instead of add_dependence.
3350 Create control speculative dependencies.
3351 (schedule_insns): Initialize current_sched_info before the sched_init
3352 call.
3354 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3356 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3357 fs->signal_frame.
3358 (sh_fallback_frame_state): Likewise.
3360 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3362 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3363 Do switch on default_use_cxa_atexit.
3364 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3365 * config/darwin-crt3.o: New.
3366 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3367 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3368 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3369 OS version.
3370 * config/rs6000/t-darwin: Move crt2.o building to here.
3371 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3372 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3373 of __cxa_atexit.
3375 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3377 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3378 from '! xxx' to '!xxx' for coding-style conformance.
3379 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3380 (EXTRA_CONSTRAINT): Likewise.
3381 * config/vax/vax.md (four unnamed insns): Likewise.
3383 2006-03-15 Paul Brook <paul@codesourcery.com>
3385 * config/arm/arm.c (minipool_pad): New.
3386 (add_minipool_forward_ref): Include pool alignment padding in address
3387 calculation.
3388 (push_minipool_fix): Set minipool_pad.
3389 (minipool_pad): Ditto.
3391 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3393 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3394 instead of GET_CODE() == MEM and REG_P() instead of
3395 GET_CODE() == REG.
3396 (print_operand_address): Likewise.
3397 (vax_address_cost): Likewise.
3398 (vax_rtx_costs): Likewise.
3399 (vax_notice_update_cc): Likewise.
3400 (vax_output_int_add): Likewise.
3401 (INDEX_REGISTER_P): Likewise.
3402 (BASE_REGISTER_P): Likewise.
3403 (nonindexed_address_p): Likewise.
3404 (vax_mode_dependent_address_p): Likewise.
3405 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3406 (PRINT_OPERAND): Likewise.
3407 * config/vax/vax.md (ashlsi3): Likewise.
3408 (ashlsi3): Likewise.
3409 (some more unnamed insns): Likewise.
3411 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3413 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3414 iterator-style macro.
3415 (mark_control_dependent_edges_necessary): Update the use of
3416 EXECUTE_IF_CONTROL_DEPENDENT.
3418 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3420 * config/sh/predicates.md (cache_address_operand): Special.
3421 (ua_address_operand): Likewise.
3423 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3425 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3426 loop notes.
3427 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3429 2006-03-15 Andreas Schwab <schwab@suse.de>
3431 * gensupport.c (identify_predicable_attribute): Don't free p_false
3432 when it is still in use.
3434 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3436 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3437 the default setting here.
3439 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3441 * tree-pass.h (pass_cfg): Remove.
3442 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3443 * passes.c (pass_cfg): Don't run it.
3445 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3447 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3448 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3449 VEC(char,heap) *.
3450 (stack_regs_mentioned): Update the uses of
3451 stack_regs_mentioned_data. Don't access the array beyond its
3452 end.
3453 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3454 Don't include gt-reg-stack.h.
3456 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3457 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3459 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3461 PR middle-end/26684
3462 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3463 STACK_REGS.
3465 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3467 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3469 2006-03-14 Richard Guenther <rguenther@suse.de>
3471 PR tree-optimization/26672
3472 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3473 SSA form.
3475 2006-03-14 Richard Guenther <rguenther@suse.de>
3477 PR tree-optimization/26667
3478 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3479 node for the callees. Always allow inlining if it will shrink
3480 the function size.
3482 2006-03-14 Richard Guenther <rguenther@suse.de>
3484 PR middle-end/26659
3485 * builtins.c (get_pointer_alignment): Prefer alignment
3486 information from decls over that from types.
3488 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3490 PR target/26657
3491 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3493 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3495 * config/rs6000/rs6000.opt (mdlmzb): New option.
3496 (msched-prolog, msched-epilog): Use Var not Mask.
3497 * doc/invoke.texi (-mdlmzb): Document.
3498 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3499 MASK_SCHED_PROLOG.
3500 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3501 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3503 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3505 PR rtl-optimization/25739
3506 * bt-load.c (augment_live_range): Free tos pointer.
3508 * gensupport.c (identify_predicable_attribute): Free
3509 p_false pointer.
3510 * gcov.c (create_file_names): Free name pointer.
3512 2006-03-13 Roger Sayle <roger@eyesopen.com>
3514 PR middle-end/26557
3515 * stmt.c (emit_case_nodes): Handle the case where the index is a
3516 CONST_INT, where the comparison mode is specified by the index type.
3518 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3520 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3521 is defined.
3523 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3525 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3526 (*branch_fp_inverted): Likewise.
3528 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3530 PR middle-end/25989
3531 * omp-low.c (expand_omp_for_generic): Mark istart0
3532 and iend0 as addressable.
3534 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3536 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3538 2006-03-13 Jeff Law <law@redhat.com>
3540 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3541 virtual operands are interesting.
3542 (vrp_visit_stmt): Corresponding changes.
3544 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3546 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3547 of RETS.
3548 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3549 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3550 * config/bfin/crti.S: Use it instead of __PIC__.
3551 * config/bfin/crtn.S: Likewise.
3553 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3554 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3555 not if flag_pic.
3556 Lose 'G' modifier for call operand.
3557 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3558 recognize 'G' modifier.
3560 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3562 PR middle-end/18859
3563 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3564 * stmt.c (expand_case): Likewise.
3566 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3568 PR rtl-optimization/26254
3569 * loop-invariant.c (seq_insns_valid_p): New function.
3570 (move_invariant_reg): Only emit new code if it is valid.
3572 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3574 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3575 Removed.
3576 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3577 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3578 (commit_one_edge_insertion): Do not look for loop notes.
3580 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3582 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3583 flag_test_coverage out of loop.
3585 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3587 * final.c (shorten_branches): Remove outdated comment, and turn
3588 the if branch that guards it to continue.
3590 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3592 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3593 * cfgloop.h (struct loop): Remove unused fields.
3595 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3597 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3598 (-dL, -fdump-rtl-loop2): Update the dump file names
3600 * doc/invoke.texi: Update dump file names.
3602 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3604 * predict.c (estimate_probability): Remove.
3605 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3606 * basic-block.h (estimate_probability): Remove prototype.
3607 * passes.c (finish_optimization_passes): Dump branch prediction or
3608 profiling heuristics to the .profile tree dump.
3609 (init_optimization_passes): Unqueue pass_branch_prob.
3611 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3613 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3615 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3616 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3618 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3620 * function.h (frame_offset_overflow): Declare.
3621 * function.c (frame_offset_overflow): New function.
3622 (assign_stack_local_1): Call it to detect that the offset overflows.
3623 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3625 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3627 * config/sh/sh.c: Include alloc-pool.h.
3628 (label_ref_list_pool): New alloc pool.
3629 (label_ref_list_t): New type for lists of labels.
3630 (struct pool_node): Make wend a label_ref_list_t.
3631 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3632 references.
3633 (dump_table): Likewise.
3634 (sh_reorg): Set up the alloc pool before using add_constant and
3635 dump_table, and destroy it when finishing.
3637 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3639 * config/mips/mips.c: Remove redundant comment.
3641 2006-03-10 Jason Merrill <jason@redhat.com>
3643 PR c/26004
3644 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3645 the target was declared 'register'.
3647 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3649 * genpreds.c (write_insn_constraint_len): Change definition of
3650 insn_constraint_len to return size_t to match the declaration.
3652 2006-03-10 DJ Delorie <dj@redhat.com>
3654 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3655 start at zero.
3656 (m32c_expand_insv): Fix test for an AND mask.
3658 2006-03-10 Richard Guenther <rguenther@suse.de>
3660 PR middle-end/26565
3661 * builtins.c (get_pointer_alignment): Handle component
3662 references for field alignment.
3664 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3666 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3667 when building with libgloss.
3668 (sh*elf): Implement --without-fp option.
3669 (sh64-superh-linux*): Don't multilib.
3671 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3673 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3675 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3677 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3678 Set it when one of the replacement functions returned true.
3679 Return TODO_cleanup_cfg if cfgchanged is true.
3680 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3682 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3684 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3685 instead of gen_lowpart.
3687 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3689 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3690 interface.
3691 (mips_output_order_conditional_branch): Declare.
3692 * config/mips/mips.h (MIPS_BRANCH): New macro.
3693 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3694 for the comparison. Use gen_condjump.
3695 (mips_output_conditional_branch): Rework interface to take the
3696 asm templates for a direct branch and the inverse of a direct branch.
3697 (mips_output_order_conditional_branch): New function.
3698 (mips_builtin_branch_and_move): New function.
3699 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3700 branch condition. Use gen_single_cc as the condition for
3701 __builtin_mips_upper_* or __builtin_mips_lower_*.
3702 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3703 Use VOIDmode for the branch condition.
3704 * config/mips/predicates.md (order_operator): New predicate.
3705 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3706 (branch_fp): Rename to...
3707 (*branch_fp): ...this. Remove mode from comparison operator.
3708 Use new mips_output_conditional_branch interface.
3709 (branch_fp_inverted): Rename to...
3710 (*branch_fp_inverted): ...this and update as for *branch_fp.
3711 (*branch_zero<mode>): Rename to...
3712 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3713 Use mips_output_order_conditional_branch. Only accept ordered
3714 comparisons.
3715 (*branch_zero<mode>_inverted): Rename to...
3716 (*branch_order<mode>_inverted): ...this and update as for
3717 *branch_order<mode>.
3718 (*branch_equality<mode>): Accept zero as the second operand to
3719 the equality operator. Use the new mips_output_conditional_branch
3720 interface.
3721 (*branch_equality<mode>_inverted): Likewise.
3722 (condjump): New expander.
3723 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3724 operator.
3725 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3726 (bc1any2t, bc1any2f): Likewise.
3727 (single_cc): New expander.
3728 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3730 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3732 * doc/md.texi: Update documentation of MIPS constraints.
3733 * config/mips/constraints.md: New file.
3734 * config/mips/mips.md: Include it.
3735 * config/mips/mips.c (mips_char_to_class): Delete.
3736 (override_options): Don't initialize mips_char_to_class.
3737 * config/mips/mips.h (mips_char_to_class): Delete.
3738 (REG_CLASS_FROM_LETTER): Delete.
3739 (CONST_OK_FOR_LETTER_P): Delete.
3740 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3741 (EXTRA_CONSTRAINT_Y): Delete.
3742 (EXTRA_CONSTRAINT_STR): Delete.
3743 (CONSTRAINT_LEN): Delete.
3744 (EXTRA_MEMORY_CONSTRAINT): Delete.
3746 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3748 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3749 original fn's eh regions.
3751 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3753 * fold-const.c (build_range_check): Make sure to use a valid type to
3754 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3755 transformation.
3757 (range_predecessor): New static function.
3758 (range_successor): Likewise.
3759 (merge_ranges): Use them to compute predecessors and successors of
3760 range bounds.
3762 2006-03-09 Roger Sayle <roger@eyesopen.com>
3764 PR middle-end/26561
3765 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3766 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3768 2006-03-08 DJ Delorie <dj@redhat.com>
3770 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3771 (addpsi3): Expand to include memory operands. Remove
3772 reload-specific splits.
3773 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3774 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3775 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3776 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3777 (shift1_qi, shift1_hi, insv): New.
3778 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3779 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3780 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3781 cond_to_int): New.
3782 * config/m32c/m32c-protos.h: Update as needed.
3783 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3784 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3785 Fail for unrecognized R* constraints.
3786 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3787 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3788 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3789 Add Sp constraint.
3790 (m32c_init_libfuncs): New.
3791 (m32c_legitimate_address_p): Add debug wrapper.
3792 (m32c_rtx_costs): New.
3793 (m32c_address_cost): New.
3794 (conversions): Add 'B' prefix.
3795 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3796 operands, or word regnames for QI operands. 'B' prints bit
3797 position.
3798 (m32c_expand_setmemhi): New.
3799 (m32c_expand_movmemhi): New.
3800 (m32c_expand_movstr): New.
3801 (m32c_expand_cmpstr): New.
3802 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3803 (m32c_expand_neg_mulpsi3): Handle non-ints.
3804 (m32c_cmp_flg_0): New.
3805 (m32c_expand_movcc): New.
3806 (m32c_expand_insv): New.
3807 (m32c_scc_pattern): New.
3808 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3809 a0/a1 out of SIregs.
3810 (STORE_FLAG_VALUE): New.
3811 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3812 code macros.
3813 (no_insn): New.
3814 * config/m32c/mov.md: Make constraints more liberal.
3815 (zero_extendqihi2): Optimize r0/r1 case.
3816 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3817 * config/m32c/predicates.md (m32c_any_operand): New.
3818 (m32c_nonimmediate_operand): New.
3819 (m32c_hl_operand): New.
3820 (m32c_r3_operand): New.
3821 (ap_operand): New.
3822 (ma_operand): New.
3823 (memsym_operand): New.
3824 (memimmed_operand): New.
3825 (a_qi_operand): New.
3826 (m32c_eqne_operator): New.
3827 (m32c_1bit8_operand): New.
3828 (m32c_1bit16_operand): New.
3829 (m32c_1mask8_operand): New.
3830 (m32c_1mask16_operand): New.
3831 * config/m32c/blkmov.md: New file.
3832 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3834 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3836 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3837 unsigned to fix signed/unsigned comparison issue in
3838 DWARF2_FRAME_REG_OUT.
3839 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3840 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3842 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3843 of ptr into the ENABLE_CHECKING section.
3845 2006-03-08 Jeff Law <law@redhat.com>
3847 * tree-vrp.c (infer_value_range): Only count pointer uses
3848 and dereferences if -fdelete-null-pointer-checks is enabled.
3850 * tree-vrp.c (find_assert_locations): Infer value ranges for
3851 single use pointers, but do not create ASSERT_EXPRs for them.
3852 When a non-null range is inferred for a pointer, backwards
3853 propagate that range to other equivalent pointers through the
3854 use-def chain.
3856 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3858 PR bootstrap/26500
3859 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3860 language hook targets.
3861 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3862 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3863 if language hook targets were missing.
3865 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3867 * tree-ssa-opfinalize.h: Removed.
3868 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3869 dependency.
3870 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3871 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3872 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3873 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3874 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3875 finalize_ssa_v_must_def_ops): New.
3877 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3879 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3880 block as parameter.
3882 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3884 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3886 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3887 addresses with offsets; reorganize.
3889 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3890 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3891 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3893 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3895 PR target/26588
3896 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3898 2006-03-08 Ben Elliston <bje@au.ibm.com>
3900 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3902 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3904 PR gomp/26238
3905 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3906 expansion.
3908 2006-03-07 Richard Guenther <rguenther@suse.de>
3910 PR tree-optimization/26587
3911 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3913 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3915 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3917 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3919 * hooks.c (hook_bool_mode_rtx_true): New function.
3920 * hooks.h (hook_bool_mode_rtx_true): Declare.
3921 * toplev.c (compile_file): Call output_shared_constant_pool.
3922 * varasm.c (shared_constant_pool): New variable.
3923 (assemble_start_function, assemble_end_function): Remove arguments
3924 from call to output_constant_pool.
3925 (create_constant_pool): New function, split out from...
3926 (init_varasm_status): ...here.
3927 (force_const_mem): Choose between the shared and per-function constant
3928 pools. Set current_function_uses_const_pool when reusing old entries
3929 as well as when creating new ones.
3930 (mark_constant): Ignore data argument.
3931 (mark_constants): Remove pool argument.
3932 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3933 to decide whether the function uses a constant pool.
3934 (output_constant_pool_contents): New function, split out from...
3935 (output_constant_pool): ...here.
3936 (output_shared_constant_pool): New function.
3937 (init_varasm_once): Initialize shared_constant_pool.
3938 * output.h (output_constant_pool): Delete.
3939 (output_shared_constant_pool): Declare.
3940 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3941 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3943 2006-03-06 Nick Clifton <nickc@redhat.com>
3945 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3946 flag_strength_reduce.
3948 2006-03-06 Ben Elliston <bje@au.ibm.com>
3950 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3951 x86_64-*-linux* configurations.
3953 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3954 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3956 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3958 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3959 Remove.
3960 * basic-block.h: Remove the extern for
3961 rediscover_loops_after_threading.
3963 * cfgloop.c (cancel_loop): Make it static.
3964 * cfgloop.h: Remove the prototype for cancel_loop.
3966 * flow.c (recompute_reg_usage): Make it static.
3967 * rtl.h: Remove the prototype for recompute_reg_usage.
3969 * function.c (use_return_register): Make it static.
3970 * function.h: Remove the prototype.
3972 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3974 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3975 Remove.
3976 * recog.h: Remove the prototype for
3977 validate_change_maybe_volatile.
3979 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3981 * rtlanal.c (replace_reg): Remove.
3982 * rtl.h: Remove the prototype for replace_reg.
3984 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3986 * regclass.c (reg_scan_update): Remove.
3987 (reg_scan_mark_refs): Remove the last argument.
3988 * rtl.h: Remove the prototype for reg_scan_update.
3990 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3992 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3993 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3994 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3995 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3996 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3997 loop-invariant.c, omp-low.c, opts.c, passes.c,
3998 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3999 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4000 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4001 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4002 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4003 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4005 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4007 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4008 * dwarf2out.h: Remove the prototype for
4009 dwarf2out_add_library_unit_info.
4011 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4013 * tree.c (add_var_to_bind_expr): Remove.
4014 * tree.h: Remove the prototype for add_var_to_bind_expr.
4016 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4018 * regclass.c (n_non_fixed_regs): Remove.
4019 (init_reg_sets_1, globalize_reg): Remove all uses of
4020 n_non_fixed_regs.
4021 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4023 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4025 * rtlanal.c (insns_safe_to_move_p): Remove.
4026 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4028 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4030 * expmed.c (expand_mult_add): Remove.
4031 * expr.h: Remove the prototype for expand_mult_add.
4033 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4035 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4036 and REG_SAVED_VAL_EXP constants.
4037 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4038 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4039 Handle regs stored by value.
4040 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4041 (execute_cfa_program): Handle DW_CFA_val_offset,
4042 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4043 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4044 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4045 (uw_install_context_1): Handle target regs stored by value.
4047 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4049 * tree-sra.c (tree_sra): Return todoflags;
4050 (generate_one_element): Set TODO_update_smt_usage if needed.
4051 (pass_sra): Remove TODO_update_smt_usage.
4052 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4053 parameter.
4054 (tree_ssa_forward_propagate_single_use_vars): Return
4055 TODO_update_smt_usage if we need to update SMT usage.
4056 (pass_forwprop): Remove TODO_update_smt_usage.
4058 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4060 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4061 (correct_use_link): Remove reference to get_stmt_operands.
4062 (update_stmt_operands): Likewise.
4063 (get_modify_expr_operands): New function factored out of
4064 parse_ssa_operands and get_expr_operands.
4065 Try to create V_MUST_DEFs for LHS by default.
4066 (get_expr_operands) <case MODIFY_EXPR>: Call
4067 get_modify_expr_operands.
4068 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4069 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4070 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4071 get_modify_expr_operands.
4073 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4075 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4076 * tree-flow.h: Remove the prototype for
4077 referenced_var_lookup_if_exists.
4079 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4081 PR rtl-optimization/26345
4082 PR target/19061
4083 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4085 2006-03-03 Roger Sayle <roger@eyesopen.com>
4087 PR tree-optimization/26524
4088 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4089 fold_convert to create a constant of the appropriate type.
4091 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4093 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4094 SYMBOL_REF_IN_BLOCK_P.
4095 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4096 of SYMBOL_FLAG_IN_BLOCK.
4097 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4098 instead of SYMBOL_REF_IN_BLOCK_P.
4099 * explow.c (use_anchored_address): Likewise.
4100 * rtl.c (rtx_size): Likewise.
4101 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4102 instead of SYMBOL_FLAG_IN_BLOCK.
4103 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4104 SYMBOL_REF_IN_BLOCK_P.
4105 (assemble_variable): Likewise.
4106 (output_constant_def_contents): Likewise.
4107 (output_constant_pool): Likewise.
4108 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4109 instead of SYMBOL_FLAG_IN_BLOCK.
4110 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4111 SYMBOL_REF_IN_BLOCK_P.
4112 (SYMBOL_REF_BLOCK): Likewise.
4113 (SYMBOL_REF_OFFSET): Likewise.
4114 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4115 SYMBOL_REF_IN_BLOCK_P.
4116 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4117 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4118 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4119 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4121 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4123 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4125 2006-03-02 Roger Sayle <roger@eyesopen.com>
4127 * simplify-rtx.c (simplify_unary_operation): When simplifying
4128 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4129 that we perform the right shift in the appropriate mode, and
4130 then extend or truncate the result to requested mode.
4132 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4134 * gengtype.c (main): Handle double_int type.
4135 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4136 * double-int.c: New file.
4137 * double-int.h: New file.
4138 * system.h: Include doubleint.h.
4139 * Makefile.in (SYSTEM_H): Include double-int.h.
4140 (double-int.o): Add.
4142 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4144 PR bootstrap/26478
4145 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4146 copying over it.
4148 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4150 * tree-vrp.c (remove_range_assertions): Do not update statements
4151 unnecessarily.
4153 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4155 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4156 cleanup.
4157 * gcse.c (rest_of_handle_gcse): Ditto.
4158 * except.c (gate_handle_eh): Ditto.
4159 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4160 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4162 2006-03-02 Eric Christopher <echristo@apple.com>
4164 * config/i386/i386.c (machopic_output_stub): Add indirection to
4165 jump.
4167 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4169 * loop.c: Removed.
4171 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4173 Sun Niagara specific optimizations.
4174 * config.gcc: Recognize niagara as target.
4175 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4176 (TARGET_CPU_niagara): Define.
4177 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4178 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4179 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4180 (ASM_CPU_SPEC): Likewise.
4181 (PROCESSOR_NIAGARA): New enum entry.
4182 (REGISTER_MOVE_COST): Handle Niagara.
4183 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4184 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4185 (sparc_override_options): Recognize "niagara", set appropriate
4186 default MASK_* values for it, and align functions to 32-bytes
4187 by default just like ULTRASPARC/ULTRASPARC3.
4188 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4189 (sparc64_initialize_trampoline): Likewise.
4190 (sparc_use_sched_lookahead): Use zero for niagara.
4191 (sparc_issue_rate): Use one for niagara.
4192 * config/sparc/niagara.md: New file.
4193 * config/sparc/sparc.md: Include it.
4194 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4195 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4196 when default cpu is niagara.
4197 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4198 (ASM_CPU_SPEC): Likewise.
4199 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4200 when default cpu is niagara.
4201 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4202 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4203 just like v9/ultrasparc/ultrasparc3.
4204 * doc/invoke.texi: Add documentation for "niagara" and improve
4205 existing documentation for ultrasparc variants.
4207 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4209 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4211 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4213 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4214 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4215 and say that only one is needed.
4216 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4217 * target.h (have_switchable_bss_sections): New hook.
4218 * explow.c (use_anchored_address): Check that the symbol is in a block.
4219 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4220 (bss_noswitch_section): New variables.
4221 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4222 (get_noswitch_section): New function.
4223 (get_block_for_section): Allow SECT to be null.
4224 (unlikely_text_section_p): Use SECTION_STYLE.
4225 (bss_initializer_p): New function.
4226 (get_variable_section): Move earlier in file. Take a new argument,
4227 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4228 Return one of the new *_sections in such cases.
4229 (get_block_for_decl): New function, extracting some logic from
4230 use_blocks_for_decl_p.
4231 (change_symbol_section): Remove in favor of...
4232 (change_symbol_block): ...this new function.
4233 (use_blocks_for_decl_p): Remove checks now performed by
4234 get_block_for_decl.
4235 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4236 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4237 (emit_local, emit_bss, emit_common): ...these new functions.
4238 Return true if the alignment was honored.
4239 (emit_tls_common): New function.
4240 (asm_emit_uninitialised): Delete.
4241 (assemble_variable_noswitch): New function, split out from...
4242 (assemble_variable): ...here. Don't make decisions about common
4243 variables here. Globalize all public decls that go into non-common
4244 sections. Check whether SYMBOL_REF_BLOCK is null.
4245 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4246 (output_constant_pool): Likewise.
4247 (init_varasm_once): Initialize the new section variables.
4248 (have_global_bss_p): New function.
4249 (categorize_decl_for_section): Use bss_initializer_p.
4250 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4251 (place_block_symbol): Assert that the symbol must be in a block.
4252 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4253 (TARGET_INITIALIZER): Include it.
4254 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4255 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4256 (SECTION_MACH_DEP): Bump by two.
4257 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4258 (unnamed_section): Mention SECTION_UNNAMED in comment.
4259 (named_section): Likewise SECTION_NAMED.
4260 (noswitch_section_callback): New type.
4261 (noswitch_section): New structure.
4262 (section): Add a noswitch_section alternative.
4263 (SECTION_STYLE): New macro.
4264 (tls_comm_section, comm_section, lcomm_section): Declare.
4265 (bss_noswitch_section, have_global_bss_p): Declare.
4266 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4267 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4268 Override.
4269 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4270 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4271 Override.
4273 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4275 * gcc/tree-vrp.c (execute_vrp): Return value.
4276 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4277 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4278 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4279 (tree_lower_complex_O0): Ditto.
4280 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4281 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4282 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4283 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4284 (execute_tail_calls): Ditto.
4285 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4286 * gcc/tree.h (init_function_for_compilation): Ditto.
4287 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4288 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4289 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4290 * gcc/final.c (compute_alignments): Ditto.
4291 (rest_of_handle_final): Ditto.
4292 (rest_of_handle_shorten_branches): Ditto.
4293 (rest_of_clean_state): Ditto.
4294 * gcc/omp-low.c (execute_expand_omp): Ditto.
4295 (execute_lower_omp): Ditto.
4296 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4297 * gcc/ipa-reference.c (static_execute): Ditto.
4298 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4299 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4300 (rest_of_handle_machine_reorg): Ditto.
4301 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4302 * gcc/flow.c (recompute_reg_usage): Ditto.
4303 (rest_of_handle_remove_death_notes): Ditto.
4304 (rest_of_handle_life): Ditto.
4305 (rest_of_handle_flow2): Ditto.
4306 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4307 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4308 (do_ssa_store_ccp): Ditto.
4309 (execute_fold_all_builtins): Ditto.
4310 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4311 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4312 * gcc/ipa-pure-const.c (static_execute): Ditto.
4313 * gcc/cse.c (rest_of_handle_cse): Ditto.
4314 (rest_of_handle_cse2): Ditto.
4315 * gcc/web.c (rest_of_handle_web): Ditto.
4316 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4317 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4318 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4319 * gcc/tree-nrv.c (tree_nrv): Ditto.
4320 (execute_return_slot_opt): Ditto.
4321 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4322 (create_structure_vars): Ditto.
4323 * gcc/loop-init.c (rtl_loop_init): Ditto.
4324 (rtl_loop_done): Ditto.
4325 (rtl_move_loop_invariants): Ditto.
4326 (rtl_unswitch): Ditto.
4327 (rtl_unroll_and_peel_loops): Ditto.
4328 (rtl_doloop): Ditto.
4329 * gcc/gimple-low.c (lower_function_body): Ditto.
4330 (mark_used_blocks): Ditto.
4331 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4332 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4333 (cgraph_early_inlining): Ditto.
4334 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4335 * gcc/jump.c (cleanup_barriers): Ditto.
4336 (purge_line_number_notes): Ditto.
4337 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4338 (rest_of_handle_if_after_reload): Ditto.
4339 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4340 (tree_ssa_loop_im): Ditto.
4341 (tree_ssa_loop_unswitch): Ditto.
4342 (tree_vectorize): Ditto.
4343 (tree_linear_transform): Ditto.
4344 (tree_ssa_loop_ivcanon): Ditto.
4345 (tree_ssa_empty_loop): Ditto.
4346 (tree_ssa_loop_bounds): Ditto.
4347 (tree_complete_unroll): Ditto.
4348 (tree_ssa_loop_prefetch): Ditto.
4349 (tree_ssa_loop_ivopts): Ditto.
4350 (tree_ssa_loop_done): Ditto.
4351 * gcc/predict.c (tree_estimate_probability): Ditto.
4352 * gcc/recog.c (split_all_insns_noflow): Ditto.
4353 (rest_of_handle_peephole2): Ditto.
4354 (rest_of_handle_split_all_insns): Ditto.
4355 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4356 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4357 (rest_of_handle_stack_adjustments): Ditto.
4358 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4359 * gcc/function.c (instantiate_virtual_regs): Ditto.
4360 (init_function_for_compilation): Ditto.
4361 (rest_of_handle_check_leaf_regs): Ditto.
4362 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4363 (rest_of_handle_gcse): Ditto.
4364 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4365 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4366 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4367 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4368 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4369 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4370 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4371 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4372 * gcc/except.c (set_nothrow_function_flags): Ditto.
4373 (convert_to_eh_region_ranges): Ditto.
4374 (rest_of_handle_eh): Ditto.
4375 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4376 (remove_unnecessary_notes): Ditto.
4377 * gcc/except.h (set_nothrow_function_flags): Ditto.
4378 (convert_to_eh_region_ranges): Ditto.
4379 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4380 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4381 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4382 (execute_fre): Ditto.
4383 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4384 (rest_of_handle_jump2): Ditto.
4385 * gcc/tree-sra.c (tree_sra): Ditto.
4386 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4387 (execute_mudflap_function_decls): Ditto.
4388 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4389 (do_store_copy_prop): Ditto.
4390 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4391 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4392 * gcc/tree-ssa-forwprop.c
4393 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4394 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4395 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4396 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4397 (execute_late_warn_uninitialized): Ditto.
4398 * gcc/rtl.h (cleanup_barriers): Ditto.
4399 (split_all_insns_noflow): Ditto.
4400 (purge_line_number_notes): Ditto.
4401 (unshare_all_rtl): Ditto.
4402 (remove_unnecessary_notes): Ditto.
4403 (recompute_reg_usage): Ditto.
4404 (variable_tracking_main): Ditto.
4405 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4406 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4407 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4408 (execute_free_cfg_annotations): Ditto.
4409 (execute_fixup_cfg): Ditto.
4410 (execute_cleanup_cfg_pre_ipa): Ditto.
4411 (execute_cleanup_cfg_post_optimizing): Ditto.
4412 (execute_init_datastructures): Ditto.
4413 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4414 * gcc/combine.c (rest_of_handle_combine): Ditto.
4415 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4416 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4417 (rest_of_handle_reorder_blocks): Ditto.
4418 (rest_of_handle_partition_blocks): Ditto.
4419 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4420 * gcc/tree-profile.c (tree_profiling): Ditto.
4421 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4422 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4423 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4424 (rest_of_handle_sched2): Ditto.
4425 * gcc/basic-block.h (free_bb_insn): Ditto.
4426 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4427 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4428 (remove_useless_stmts): Ditto.
4429 (split_critical_edges): Ditto.
4430 (execute_warn_function_return): Ditto.
4431 (execute_warn_function_noreturn): Ditto.
4432 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4433 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4434 * gcc/passes.c (execute_one_pass): Run additional
4435 todos returned by execute function.
4436 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4437 return a value.
4439 2006-03-02 Richard Guenther <rguenther@suse.de>
4441 * tree-ssa-alias.c (find_used_portions): Consider taking
4442 the address as making the variable not write-only.
4444 2006-03-02 Nick Clifton <nickc@redhat.com>
4446 * config.gcc (default_use_cxa_atexit): Extend the description of
4447 this configure variable. Set its default value to "yes" for
4448 Linux, NetBSD and ELF targets on the assumption that they will
4449 use C libraries with the __cxa_atexit function.
4451 2006-03-02 Ben Elliston <bje@au.ibm.com>
4453 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4454 parameter as unused to suppress a build warning.
4456 2006-03-02 Ben Elliston <bje@au.ibm.com>
4458 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4459 config/dfp-bit.c.
4461 2006-03-01 Roger Sayle <roger@eyesopen.com>
4463 PR other/26489
4464 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4465 declared name, the weak reference name, and the typeof name.
4466 (__gthrw): Avoid expanding the declared name suffix.
4467 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4469 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4471 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4472 from DWARF 3.
4473 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4474 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4475 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4476 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4477 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4478 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4479 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4480 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4481 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4482 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4483 (DW_END_default, DW_END_big, DW_END_little): New.
4484 (DW_END_lo_user, DW_END_hi_user): Define.
4485 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4486 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4487 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4488 DW_LANG_D): New.
4490 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4492 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4493 Update all users.
4494 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4495 Update all users.
4496 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4497 Update all users.
4498 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4499 Update all users.
4500 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4501 to 'symbol_mem_tag'.
4502 Update all users.
4503 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4504 rename.
4506 2006-03-01 Roger Sayle <roger@eyesopen.com>
4508 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4510 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4512 PR target/25761
4513 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4514 MACHO_DYNAMIC_NO_PIC_P.
4515 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4517 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4519 PR target/26389
4520 * config/darwin-protos.h (darwin_asm_output_anchor):
4521 Declare.
4522 * config/darwin-sections.def (cstring_section):
4523 Add SECTION_MERGE to the flags.
4524 (literal4_section): Likewise.
4525 (literal8_section): Likewise.
4526 (objc_selector_refs_section): Likewise.
4527 (objc_cls_refs_section): Likewise.
4528 * config/darwin.c (darwin_asm_output_anchor): New
4529 function.
4530 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4532 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4534 Fix PR tree-optimization/26443
4535 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4536 to todo and PROP_tmt_usage to properties_destroyed.
4537 * tree-ssa-ccp.c (pass_ccp): Ditto.
4538 (pass_store_ccp): Ditto.
4539 * tree-ssa-dom.c (pass_dominator): Ditto.
4541 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4543 * tree-ssa-operands.c: Cleanup whitespace.
4544 (get_asm_expr_operands): Move before first invocation.
4545 (get_indirect_ref_operands): Likewise.
4546 (get_tmr_operands): Likewise.
4547 (get_call_expr_operands): Likewise.
4548 (append_def): Likewise.
4549 (append_use): Likewise.
4550 (append_v_may_def): Likewise.
4551 (append_v_must_def): Likewise.
4552 (add_call_clobber_ops): Likewise.
4553 (add_call_read_ops): Likewise.
4554 (add_stmt_operand): Likewise.
4555 (add_virtual_operand): Likewise.
4556 (build_ssa_operands): Likewise.
4558 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4560 PR middle-end/26022
4561 Revert:
4562 PR middle-end/24437
4563 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4564 with a call expr to ...
4565 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4567 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4569 * tree-vrp.c (extract_range_from_assert): Remove special
4570 handling for types with super-types.
4572 2006-03-01 Ben Elliston <bje@au.ibm.com>
4574 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4575 and powerpc64-*-linux* configurations.
4576 * config/t-dfprules: New file.
4578 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4579 Compile dfp-bit.c from the source directory using -DWIDTH and
4580 $DFP_CFLAGS to control the compilation of that file, rather than
4581 generating width-specific versions in the build directory.
4582 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4583 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4585 2006-02-28 Zack Weinberg <zackw@panix.com>
4587 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4588 continues to work.
4590 2006-02-28 Eric Christopher <echristo@apple.com>
4592 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4593 Set up IN_LIBGCC definition of TARGET_64BIT.
4594 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4596 2006-02-28 Roger Sayle <roger@eyesopen.com>
4598 PR middle-end/14752
4599 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4600 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4601 cases via the construction of "expr != 0".
4603 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4605 * alias.c (alias_invariant, alias_invariant_size): Remove.
4606 (record_base_value): Remove.
4607 (memrefs_conflict_p): Don't look at alias_invariant.
4608 (end_alias_analysis): Don't free it.
4609 * alias.h (record_base_value): Remove prototype.
4611 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4612 Adam Nemet <anemet@caviumnetworks.com>
4614 * rtl.h (truncated_to_mode): Declare it.
4615 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4616 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4617 (RTL_HOOKS_INITIALIZER): Include it.
4618 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4619 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4620 reg_truncated_to_mode.
4621 * rtlanal.c (truncated_to_mode): Define it.
4622 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4624 2006-02-28 Jeff Law <law@redhat.com>
4626 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4627 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4628 the range allowed by TYPE_PRECISION.
4630 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4632 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4634 PR tree-optimization/26419
4635 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4636 values of n.
4638 2006-02-27 Zack Weinberg <zackw@panix.com>
4640 * doc/md.texi: Fix typo in previous change.
4642 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4644 * df.c: Remove.
4646 2006-02-27 Zack Weinberg <zackw@panix.com>
4648 * rtl.def (define_constraint, define_register_constraint)
4649 (define_memory_constraint, define_address_constraint): New MD forms.
4650 * gensupport.c (process_rtx): Put define_constraint etc on the
4651 predicate queue.
4652 * genpreds.c (process_define_predicate): Adjust comment. Validate
4653 the name, and call validate_exp to validate the expression.
4654 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4655 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4656 all callers changed.
4657 (validate_exp, needs_variable, struct constraint_data)
4658 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4659 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4660 (const_dbl_constraints, constraint_max_namelen)
4661 (have_register_constraints, have_memory_constraints)
4662 (have_address_constraints, have_address_constraints)
4663 (have_extra_constraints, have_const_int_constraints)
4664 (have_const_dbl_constraints, mangle, add_constraint)
4665 (process_define_constraint, process_define_register_constraint)
4666 (write_enum_constraint_num, write_lookup_constraint)
4667 (write_insn_constraint_len, write_regclass_for_constraint)
4668 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4669 (write_insn_extra_memory_constraint)
4670 (write_insn_extra_address_constraint)
4671 (write_satisfies_constraint_fns): New.
4672 (write_tm_preds_h): If we have new-style constraint definitions,
4673 prototype the functions generated from them, and define the
4674 old constraint interface (still used by generic code) in terms of
4675 those functions.
4676 (write_insn_preds_c): If we have new-style constraint definitions,
4677 generate all relevant functions from those definitions.
4678 (main): Handle define_constraint etc.
4679 * genoutput.c (struct constraint_data, indep_constraints)
4680 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4681 (mdep_constraint_len): New data structures and functions, defined
4682 #ifdef USE_MD_CONSTRAINTS.
4683 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4684 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4685 use new logic to validate operand constraints against constraint
4686 definitions.
4687 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4688 defined.
4689 * defaults.h: If none of the old-style constraint macros are
4690 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4691 old-style macros; and poison REG_CLASS_FROM_LETTER,
4692 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4693 EXTRA_CONSTRAINT.
4694 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4695 * doc/md.texi: Document new constraint-definition mechanism and the
4696 C interface it provides. Remove references to old mechanism
4697 elsewhere in the document.
4698 (Machine Constraints): Use pathnames relative to gcc directory,
4699 i.e. config/ARCH/FILE. Change i386 section to refer to
4700 config/i386/predicates.md; update that section to match docstrings.
4701 * doc/tm.texi: Move all documentation of the old constraint-
4702 definition macros to their own section, clearly mark as obsolete.
4704 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4705 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4706 definitions.
4707 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4708 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4709 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4710 constraint strings.
4711 (splits and peepholes): Use satisfies_constraint_*.
4712 * config/i386/i386.c (memory_address_length)
4713 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4715 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4717 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4718 scalar operation to be put back into the loop.
4720 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4722 PR other/26208
4723 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4724 (extract_cie_info): Handle S flag in augmentation string.
4725 (execute_cfa_program): If context->signal_frame, execute also
4726 fs->pc == context->ra instructions.
4727 (uw_frame_state_for): If context->signal_frame, don't subtract one
4728 from context->ra to find FDE.
4729 (uw_update_context_1): Set context->signal_frame to
4730 fs->signal_frame.
4731 (_Unwind_GetIPInfo): New function.
4732 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4733 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4734 of _Unwind_GetIP.
4735 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4736 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4737 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4738 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4739 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4740 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4741 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4742 x86_64_fallback_frame_state): Set fs->signal_frame.
4743 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4744 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4745 (frob_update_context): Likewise. Workaround missing S flag in
4746 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4747 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4748 Remove the psw_addr + 1 hack.
4750 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4752 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4753 with aggregates here.
4754 (find_func_aliases): Remove code for &<aggregate> from here.
4756 2006-02-26 Roger Sayle <roger@eyesopen.com>
4758 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4759 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4760 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4761 as (X & C) ne/eq 0.
4763 2006-02-26 Roger Sayle <roger@eyesopen.com>
4765 PR middle-end/19983
4766 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4768 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4770 * opts.c (decode_options): Do not handle flag_strength_reduce.
4771 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4772 and OPT_fstrength_reduce.
4773 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4774 flag_prefetch_loop_arrays for being nonzero.
4775 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4776 no-ops.
4777 (fprefetch-loop-arrays-rtl): Removed.
4778 (flag_prefetch_loop_arrays): Do not specify the value.
4780 * doc/passes.texi: Update documentation of loop optimizer
4781 passes.
4782 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4783 -frerun-loop-opt): Remove.
4785 2006-02-26 Richard Guenther <rguenther@suse.de>
4787 PR tree-optimization/26421
4788 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4789 in function calls that are ADDR_EXPRs as using the whole structure.
4791 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4793 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4794 * tree-pass.h (pass_loop_optimize): Remove.
4795 * passes.c (pass_loop_optimize): Never run it.
4796 * toplev.c (backend_init): Don't call init_loop.
4797 * opts.c (flag_loop_optimize_set): Remove.
4798 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4799 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4800 the old RTL loop optimizer when profiling enabled.
4801 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4802 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4803 pre-headers for the sake of the old RTL loop optimizer.
4804 * Makefile.in: Remove all references to loop.o.
4806 * doc/invoke.texi: Remove all references to -floop-optimize
4807 and -frerun-loop-opt.
4809 2006-02-26 Zack Weinberg <zackw@panix.com>
4811 * doc/md.texi (Machine Constraints): Refer to all files with paths
4812 relative to gcc directory (i.e. config/CPU/file). Add missing
4813 @table @code ... @end table to M32C subsection.
4815 2006-02-26 Roger Sayle <roger@eyesopen.com>
4817 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4818 (X & 1) == 0.
4819 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4821 2006-02-26 Roger Sayle <roger@eyesopen.com>
4822 James A. Morrison <phython@gcc.gnu.org>
4824 PR middle-end/21137
4825 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4826 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4827 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4828 signedness of the shift operation.
4830 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4832 PR tree-optimization/26359
4833 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4835 2006-02-25 Roger Sayle <roger@eyesopen.com>
4837 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4838 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4839 as X == 0, and some symmetry related transformations.
4840 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4842 2006-02-25 Roger Sayle <roger@eyesopen.com>
4844 PR middle-end/23673
4845 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4846 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4847 symmetry related transformations. Fold (X^C1) == C2 as
4848 X == (C1^C2).
4850 2006-02-25 Juergen Weigert <jw@suse.de>
4851 Richard Guenther <rguenther@suse.de>
4853 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4855 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4857 * combine.c (gen_lowpart_or_truncate): Call
4858 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4860 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4862 * doc/invoke.texi: Move -fopenmp description to "Options for
4863 Code Generation".
4864 Remove reference to -lgomp.
4866 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4868 * doc/install.texi: Require GNU tar version 1.14.
4870 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4872 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4873 * doc/invoke.texi (C++ Dialect Options): Document
4874 -fno-use-cxa-get-exception-ptr.
4875 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4876 * configure: Regenerate.
4877 * c.opt (fuse-cxa-get-exception-ptr): New.
4878 * c-opts.c (c_common_handle_option): Handle
4879 OPT_fuse_cxa_get_exception_ptr.
4880 * c-common.c (flag_use_cxa_atexit): Update documentation.
4881 (flag_use_cxa_get_exception_ptr): New.
4882 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4883 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4884 documentation.
4885 (C_COMMON_OVERRIDE_OPTIONS): New.
4887 2006-02-24 Roger Sayle <roger@eyesopen.com>
4889 PR middle-end/24952
4890 * combine.c (try_combine): Explicitly check whether GET_CODE is
4891 a SET or a CLOBBER, instead on checking that it isn't a USE.
4893 2006-02-24 Roger Sayle <roger@eyesopen.com>
4895 * fold-const.c (fold_comparison): New subroutine of fold_binary
4896 containing transformations common to both the equality and
4897 ordering relational operators, factored out of fold_binary.
4898 (fold_binary): Separate out the equality operators (EQ_EXPR
4899 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4900 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4901 transformations common to both.
4902 (fold_div_compare): Fix latent bugs in the previously unreachable
4903 LT_EXPR and GE_EXPR cases.
4905 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4907 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4908 decl libname for clog to __clog on AIX.
4910 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4912 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4914 PR target/26453
4915 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4916 output traceback table for thunks. Localise rs6000_stack_info call.
4918 2006-02-23 Roger Sayle <roger@eyesopen.com>
4919 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4921 * gthr-posix.h (__gthrw): Fix typo in comment.
4923 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4925 * doc/cpp.texi (Character sets): Document that we do support
4926 input files to be in any character set.
4928 2006-02-23 Jeff Law <law@redhat.com>
4930 * tree.h (PHI_ARG_NONZERO): Remove.
4931 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4932 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4933 node to the new node.
4935 PR tree-optimization/26425
4936 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4937 min/max, then assume its varying.
4939 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4941 PR rtl-optimization/26316
4942 * rtlanal.c (enum may_trap_p_flags): New.
4943 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4944 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4945 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4946 (may_trap_after_code_motion_p): New function.
4947 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4948 (find_invariant_insn): Use may_trap_after_code_motion_p.
4949 * rtl.h (may_trap_after_code_motion_p): Declare.
4951 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4953 * emit-rtl.c (immed_double_const): Cleanup.
4955 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4957 Fix PR tree-optimization/26376
4958 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4959 remove assert.
4961 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4963 PR middle-end/26412
4964 * gimplify.c (omp_add_variable): Guard variable size decl test with
4965 DECL_SIZE (decl) check.
4967 2006-02-23 Richard Guenther <rguenther@suse.de>
4969 PR middle-end/26439
4970 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4971 like aggregate types.
4973 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4975 * configure.ac: Add --with{,out}-long-double-128 configure option.
4976 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4977 * configure: Rebuilt.
4978 * config.in: Rebuilt.
4979 * doc/install.texi (Options specification): Document
4980 --with-long-double-128.
4982 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4983 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4984 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4985 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4987 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4989 * config/s390/s390.c (override_options): Handle
4990 TARGET_DEFAULT_LONG_DOUBLE_128.
4992 * config/alpha/alpha.c (override_options): Handle
4993 TARGET_DEFAULT_LONG_DOUBLE_128.
4995 * config/sparc/sparc.c (sparc_override_options): Handle
4996 TARGET_DEFAULT_LONG_DOUBLE_128.
4998 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5000 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5001 (real-install-headers-tar, real-install-headers-cpio)
5002 (real-install-headers-cp): New targets.
5004 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5006 * tree.h (variable_section): Delete.
5007 * varasm.c (variable_section): Delete.
5009 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5011 * install.texi: Add notes on install.texi2html.
5012 (Building in parallel): Do not use footnotes.
5014 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5016 PR libgomp/26234
5017 * doc/install.texi (Configuration): Document --disable-libgomp.
5019 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5021 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5023 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5025 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5026 (vec_extractv2df_0_sse): New.
5028 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5030 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5031 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5032 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5033 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5034 to the result of the expression.
5035 (def_cfa_1): Adjust.
5036 (frame_pointer_cfa_offset): Rename to...
5037 (frame_pointer_fb_offset): ... this. Adjust all uses.
5038 (convert_cfa_to_loc_list): Rename to...
5039 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5040 Pass it on to build_cfa_loc.
5041 (compute_frame_pointer_to_cfa_displacement): Rename to...
5042 (compute_frame_pointer_to_fb_displacement): ... this. New
5043 offset parameter. Use it in computation.
5044 (gen_subprogram_die): Compute cfa_fb_offset with the new
5045 macro, and use it to compute the fb loc list and the
5046 displacement.
5048 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5050 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5051 replaced with register_operand.
5052 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5053 non-DREG is expensive.
5054 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5055 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5056 involving memory.
5058 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5060 * doc/install.texi2html: Use set -e.
5062 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5064 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5065 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5066 * doc/invoke.texi (-fshared-data): Delete.
5067 * common.opt (fshared-data): Delete.
5068 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5069 (assemble_static_space): Remove #if 0 code.
5070 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5071 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5072 * config/cris/cris.h: Remove FIXME.
5074 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5076 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5077 hooks.
5079 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5081 PR middle-end/26379
5082 * combine.c (simplify_shift_const_1): Disable nested shifts
5083 optimization for vector shifts.
5085 2006-02-20 Roger Sayle <roger@eyesopen.com>
5087 PR tree-optimization/26361
5088 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5089 of unsigned integer types.
5091 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5093 * tree-chrec.c (eq_evolutions_p): New.
5094 * tree-chrec.h (eq_evolutions_p): Declared.
5095 * tree-data-ref.c: Fix formatting.
5096 (datadep_stats, dependence_stats): New.
5097 (gcd): Moved...
5098 (print_direction_vector): New.
5099 (dump_data_dependence_relation): Use print_direction_vector.
5100 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5101 (compute_subscript_distance): Static.
5102 (initialize_data_dependence_relation): Static. Get the number
5103 of loops surrounding the references from the callers, and initialize
5104 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5105 base_object_differ_p analyzers.
5106 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5107 compute_overlap_steps_for_affine_1_2,
5108 analyze_subscript_affine_affine): Count the classified dependences.
5109 Print a message when a test failed.
5110 (can_use_analyze_subscript_affine_affine): New.
5111 (analyze_siv_subscript): Compute the data dependences on symbolic
5112 scevs that verify can_use_analyze_subscript_affine_affine.
5113 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5114 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5115 Handle symbolic scevs.
5116 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5117 analyzed.
5118 (subscript_dependence_tester): Moved...
5119 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5120 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5121 DDR_SIZE_VECT instead of getting it in parameter.
5122 (subscript_dependence_tester): ... here. Take as a parameter
5123 loop_nest_depth. Call build_classic_dist_vector and
5124 build_classic_dir_vector.
5125 (compute_affine_dependence): Update subscript_dependence_tester
5126 parameters. Update datadep_stats counters. Call
5127 compute_subscript_distance.
5128 (compute_self_dependence): Save the dist and dir vectors. Call
5129 compute_subscript_distance.
5130 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5131 (compute_all_dependences): Reorder parameters as they were before
5132 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5133 compute_subscript_distance. Update the use of
5134 compute_affine_dependence and initialize_data_dependence_relation.
5135 (find_data_references_in_loop): Handle COMPONENT_REF.
5136 (compute_data_dependences_for_loop): Initialize dependence_stats.
5137 Don't call build_classic_dist_vector and build_classic_dir_vector.
5138 Update the parameters of initialize_data_dependence_relation and
5139 compute_all_dependences. Print the statistics from datadep_stats.
5140 (analyze_all_data_dependences): Static. Not used until the pass for
5141 checking the data dependences is contributed.
5142 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5143 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5144 (initialize_data_dependence_relation, compute_affine_dependence,
5145 analyze_all_data_dependences, compute_subscript_distance): Removed.
5146 (print_direction_vector): New.
5147 * lambda.h (gcd): ... here.
5148 (lambda_vector_gcd): Moved here from gcd_vector.
5149 * lambda-code.c (gcd, gcd_vector): Removed.
5150 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5151 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5153 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5155 * ipa-type-escape.c: Tidy some comments and white space.
5156 * tree-ssa-operands.c: Likewise.
5158 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5160 PR tree-opt/25879
5161 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5162 (dump_decl_name): Do not walk the decl tree chains.
5163 * tree-pass.h (TDF_CHAIN): Remove.
5165 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5167 * Makefile.in (C): Remove
5168 (PROTO): Remove
5169 (.PHONY): Remove C and PROTO
5171 2006-02-20 Roger Sayle <roger@eyesopen.com>
5173 PR middle-end/26236
5174 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5175 deprecated CHAR_TYPE tree code.
5177 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5179 * configure.ac (target_list): Add install-info, dvi, html.
5180 * configure: Regenerate.
5182 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5183 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5184 treelang/Make-lang.in: Do not use double-colon rules.
5186 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5188 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5189 (TMT_USED_ALONE): New macro.
5190 * tree-pass.h (PROP_tmt_usage): New property.
5191 (TODO_update_tmt_usage): New todo.
5192 * tree-ssa-alias.c (updating_used_alone): New variable.
5193 (recalculate_used_alone): New function.
5194 (compute_may_aliases): Set updating_used_alone, call
5195 recalculate_used_alone.
5196 * tree-sra.c (pass_sra): Note that this pass destroys
5197 PROP_tmt_usage, and add TODO_update_tmt_usage.
5198 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5199 * tree-flow.h (updating_used_alone): Prototype.
5200 (recalculate_used_alone): Ditto.
5201 * passes.c (execute_todo): Add code to set updating_used_alone,
5202 and call recalculate.
5203 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5204 for clobber if used alone, and add assert to verify used_alone
5205 status.
5207 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5209 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5210 for non tls symbols added.
5211 (legitimize_address): Do nothing for PLUS expressions if one of the
5212 addends is a tls symbol reference.
5214 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5216 PR bootstrap/25476
5218 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5220 * Makefile.in (BOOTSTRAPPING): New.
5221 (quickstrap): New definition if BOOTSTRAPPING=yes.
5223 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5224 * configure.ac: Substitute all_selected_languages with the languages
5225 that were configured. For all the other variables except
5226 lang_specs_files, include all the languages in the tree.
5227 * configure: Regenerate.
5229 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5230 if there is one. Run the commands to run fixincludes in the same
5231 subshell.
5233 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5234 * doc/install.texi: Document exact conventions for searching target tools.
5235 Document --with-build-time-tools. Document toplevel bootstrap. Document
5236 something more about building an Ada cross-compiler. Don't list GNU Make
5237 requirements which affect all platforms.
5239 2006-02-19 Roger Sayle <roger@eyesopen.com>
5241 PR middle-end/19543
5242 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5243 only equivalent if the have both the same mode and precision.
5245 2006-02-20 Ben Elliston <bje@au.ibm.com>
5247 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5249 2006-02-19 Roger Sayle <roger@eyesopen.com>
5250 Steven Bosscher <stevenb.gcc@gmail.com>
5252 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5253 constant pool references to identify stack mode constants.
5254 * rtlanal.c (constant_pool_constant_p): New predicate to check
5255 whether operand is a floating point constant in the pool.
5256 * rtl.h (constant_pool_constant_p): Prototype here.
5257 * loop.c (scan_loop): Avoid hoisting constants from the constant
5258 pool on STACK_REGS targets.
5259 (load_mems): Likewise.
5260 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5261 loads into x87 registers expensive in terms of register pressure.
5263 2006-02-19 Roger Sayle <roger@eyesopen.com>
5265 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5266 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5268 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5270 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5271 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5273 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5275 * doc/invoke.texi: Document -fipa-pta.
5276 * common.opt: Add ipa-pta option.
5277 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5278 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5279 (do_ds_constraint): Ditto.
5280 (get_constraint_for): Only add to referenced_vars if
5281 referenced_vars exists.
5282 (insert_into_field_list): Rewrite to do this unsorted.
5283 (insert_into_field_list_sorted): Rename old insert_into_field_list
5284 to this.
5285 (create_function_info_for): Use insert_into_field_list_sorted.
5286 (create_variable_info_for): Rewrite so it uses unsorted version,
5287 since the field list is sorted.
5288 (intra_create_variable_infos): Only add to referenced_vars if
5289 referenced_vars exists.
5290 (ipa_pta_execute): Init heapvars, and delete when done.
5291 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5293 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5295 * doc/install.texi: Add missing `@samp'.
5297 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5299 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5300 Use the arguments.
5302 2006-02-18 Mark Wielaard <mark@klomp.org>
5304 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5305 who added new 4.1 features, bug fixes and integration support.
5307 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5309 PR target/26350
5310 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5311 MEM for ABI_V4 pic.
5313 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5315 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5316 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5317 (copy_insn_1): Likewise. Don't copy each field individually.
5318 Reindent.
5319 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5320 of RTX_SIZE.
5321 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5322 * rtl.c (rtx_size): Rename variable to...
5323 (rtx_code_size): ...this.
5324 (rtx_size): New function.
5325 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5326 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5327 Reindent.
5328 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5329 * rtl.h (rtx_code_size): New variable.
5330 (rtx_size): Change from a variable to a function.
5331 (RTX_SIZE): Rename to...
5332 (RTX_CODE_SIZE): ...this.
5334 PR target/9703
5335 PR tree-optimization/17106
5336 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5337 (Anchored Addresses): New section.
5338 * doc/invoke.texi (-fsection-anchors): Document.
5339 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5340 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5341 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5342 * hooks.c (hook_bool_mode_rtx_false): New function.
5343 * hooks.h (hook_bool_mode_rtx_false): Declare.
5344 * gengtype.c (create_optional_field): New function.
5345 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5346 SYMBOL_REF_IN_BLOCK_P is true.
5347 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5348 (min_anchor_offset, max_anchor_offset): Likewise.
5349 (use_anchors_for_symbol_p): New hook.
5350 * toplev.c (compile_file): Call output_object_blocks.
5351 (target_supports_section_anchors_p): New function.
5352 (process_options): Check that -fsection-anchors is only used on
5353 targets that support it and when -funit-at-a-time is in effect.
5354 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5355 if the decl doesn't have one.
5356 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5357 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5358 of force_const_mem through use_anchored_address.
5359 (expand_expr_constant): New function.
5360 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5361 calling expand_expr for INDIRECT_REF.
5362 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5363 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5364 * expr.h (use_anchored_address): Declare.
5365 * loop-unroll.c: Don't declare rtx vectors here.
5366 * explow.c: Include output.h.
5367 (validize_mem): Call use_anchored_address.
5368 (use_anchored_address): New function.
5369 * common.opt (-fsection-anchors): New switch.
5370 * varasm.c (object_block_htab, anchor_labelno): New variables.
5371 (hash_section, object_block_entry_eq, object_block_entry_hash)
5372 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5373 (use_blocks_for_decl_p, change_symbol_section): New functions.
5374 (get_variable_section): New function, split out from assemble_variable.
5375 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5376 use_blocks_for_decl_p say so. Use change_symbol_section if the
5377 symbol has already been created.
5378 (assemble_variable_contents): New function, split out from...
5379 (assemble_variable): ...here. Don't output any code for
5380 block symbols; just pass them to place_block_symbol.
5381 Use get_variable_section and assemble_variable_contents.
5382 (get_constant_alignment, get_constant_section, get_constant_size): New
5383 functions, split from output_constant_def_contents.
5384 (build_constant_desc): Create a block symbol if use_object_blocks_p
5385 says so. Or into SYMBOL_REF_FLAGS.
5386 (assemble_constant_contents): New function, split from...
5387 (output_constant_def_contents): ...here. Don't output any code
5388 for block symbols; just pass them to place_section_symbol.
5389 Use get_constant_section and get_constant_alignment.
5390 (force_const_mem): Create a block symbol if use_object_blocks_p and
5391 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5392 (output_constant_pool_1): Add an explicit alignment argument.
5393 Don't switch sections here.
5394 (output_constant_pool): Adjust call to output_constant_pool_1.
5395 Switch sections here instead. Don't output anything for block symbols;
5396 just pass them to place_block_symbol.
5397 (init_varasm_once): Initialize object_block_htab.
5398 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5399 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5400 (place_block_symbol, get_section_anchor, output_object_block)
5401 (output_object_block_htab, output_object_blocks): New functions.
5402 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5403 (TARGET_ASM_OUT): Include it.
5404 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5405 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5406 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5407 (TARGET_INITIALIZER): Include them.
5408 * rtl.c (rtl_check_failed_block_symbol): New function.
5409 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5410 (block_symbol, object_block): New structures.
5411 (rtx_def): Add a block_symbol field to the union.
5412 (BLOCK_SYMBOL_CHECK): New macro.
5413 (rtl_check_failed_block_symbol): Declare.
5414 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5415 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5416 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5417 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5418 * output.h (output_section_symbols): Declare.
5419 (object_block): Name structure.
5420 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5421 (default_use_anchors_for_symbol_p): Declare.
5422 * Makefile.in (RTL_BASE_H): Add vec.h.
5423 (explow.o): Depend on output.h.
5424 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5425 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5426 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5427 (rs6000_use_blocks_for_constant_p): New function.
5429 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5431 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5433 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5435 PR tree-opt/25680
5436 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5437 IMAGPART_EXPR.
5439 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5441 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5442 is_aliased.
5443 Update all users.
5445 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5447 PR middle-end/26334
5448 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5449 instead of DECL_REGISTER.
5451 2006-02-18 Olivier Hainque <hainque@adacore.com>
5453 PR ada/13408
5454 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5456 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5458 PR target/24837
5459 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5460 * opth-gen.awk: Handle Var and InverseMask together.
5461 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5462 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5463 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5464 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5465 used together.
5466 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5467 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5468 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5469 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5470 LINUX_DYNAMIC_LINKER): Define.
5471 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5472 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5473 TARGET_GLIBC.
5474 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5475 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5476 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5477 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5478 (TARGET_C99_FUNCTIONS): Don't define.
5479 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5480 GLIBC_DYNAMIC_LINKER.
5481 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5482 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5483 GLIBC_DYNAMIC_LINKER64): Define.
5484 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5485 LINUX_DYNAMIC_LINKER64.
5486 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5487 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5488 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5489 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5490 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5491 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5492 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5493 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5494 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5495 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5496 and LINUX_DYNAMIC_LINKER32.
5497 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5498 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5499 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5500 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5501 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5502 TARGET_GLIBC.
5503 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5504 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5505 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5506 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5507 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5508 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5509 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5510 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5511 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5512 LINUX_DYNAMIC_LINKER): Define.
5513 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5514 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5515 GLIBC_DYNAMIC_LINKER64): Define.
5516 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5517 LINUX_DYNAMIC_LINKER64.
5518 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5519 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5520 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5521 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5522 LINUX_DYNAMIC_LINKER): Define.
5523 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5524 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5525 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5526 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5527 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5528 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5529 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5530 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5531 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5532 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5533 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5534 * doc/invoke.texi (-muclibc): Remove caveat about supported
5535 targets.
5537 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5539 * doc/cpp.texi (__TIMESTAMP__): Document.
5541 2006-02-17 Roger Sayle <roger@eyesopen.com>
5543 PR middle-end/25600
5544 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5545 C is one less than the width of X (and related transformations).
5546 * simplify-rtx.c (simplify_unary_operation_1): Transform
5547 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5548 depending on STORE_FLAG_VALUE, were C is one less then the
5549 width of X.
5551 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5553 Fix PR tree-optimization/26341
5554 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5555 about NAME_MEMORY_TAG's.
5557 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5559 PR target/26255
5560 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5561 with hardware float support, and software float support. Add fcpy
5562 alternative to hardware patterns. Add alternatives to copy between
5563 general and floating-point registers to the 32-bit pattern.
5564 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5565 secondary reload to load a QI or HI mode constant into a floating
5566 point register.
5567 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5568 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5570 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5572 PR target/26272
5573 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5574 pc to the pattern.
5575 (load_macho_picbase_di): Likewise.
5577 2006-02-16 Jeff Law <law@redhat.com>
5579 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5580 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5581 (ssa_name_nonzero_p): Likewise.
5582 (get_value_range): Return NULL if VRP is not running.
5583 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5584 VRP routines do not discover a range.
5585 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5586 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5587 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5588 (tree_expr_nonnegative_p): Similarly.
5589 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5590 (restore_nonzero_vars_to_original_value): Remove.
5591 (unsafe_associative_fp_binop): Remove.
5592 (tree_ssa_dominator_optimize): Remove initialization and
5593 finalization of nonzero_vars and nonzero_vars_stack.
5594 (dom_opt_initialize_block): No longer push marker on
5595 nonzero_vars_stack.
5596 (dom_opt_finalize_block): No longer call
5597 restore_nonzero_vars_to_original_value.
5598 (record_equivalences_from_phis): No longer look for
5599 nonzero PHI arguments.
5600 (cprop_into_successor_phis): No longer propagate nonzero
5601 property into PHI arguments. Lose unused argument. Caller
5602 updated.
5603 (record_equivalences_from_stmt): No longer record nonzero
5604 values for SSA_NAMEs.
5605 (lookup_avail_expr): No longer use nonzero_vars.
5607 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5608 for sizetype when sizetype is unsigned.
5610 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5612 PR rtl-optimization/25603
5613 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5614 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5615 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5616 with new meaning of SETS.
5618 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5620 PR target/20353
5621 PR target/24578
5622 PR target/24837
5623 * config/linux.opt: New file.
5624 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5625 LINUX_DYNAMIC_LINKER): Define.
5626 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5627 * config.gcc (*-*-linux*): Define extra_options.
5628 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5629 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5630 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5631 GLIBC_DYNAMIC_LINKER.
5632 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5633 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5634 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5635 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5636 * doc/invoke.texi (GNU/Linux Options): New section.
5638 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5640 * config/sparc/sparc.md (setjmp): Rewrite.
5641 (setjmp_32): Delete.
5642 (setjmp_64): Likewise.
5644 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5646 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5647 previous change.
5649 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5651 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5652 read-write uses.
5654 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5656 PR rtl-optimization/26296
5657 * Makefile.in (loop-invariant.c): Add except.h dependency.
5658 * loop-invariant.c: Include except.h.
5659 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5661 2005-02-16 Paul Brook <paul@codesourcery.com>
5663 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5664 for reloads.
5666 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5668 PR rtl-optimization/25636
5669 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5670 when deciding whether an insn is an initializing insn.
5672 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5674 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5675 (tree_code_size): Ditto.
5676 * tree.h (struct tree_memory_tag): Remove parent_var.
5677 (struct tree_struct_field_tag): New.
5678 (SFT_OFFSET): New.
5679 (SFT_SIZE): New.
5680 (union tree_node): Add sft member.
5681 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5682 specially here.
5683 (create_sft): Add size and offset argument, set SFT_OFFSET and
5684 SFT_SIZE.
5685 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5686 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5687 * tree-flow-inline.h (get_subvar_at): Update for
5688 SFT_OFFSET/SFT_SIZE.
5689 (var_can_have_subvars): Ditto.
5690 (overlap_subvar): Ditto.
5691 * print-tree.c (print_node): Print out interesting things for
5692 SFT's.
5693 * tree-flow.h (struct subvar): Remove offset and size members.
5694 * tree-ssa-operands.c (get_expr_operands): Update for
5695 get_indirect_ref_operands changes.
5696 (get_indirect_ref_operands): Call add_virtual_operand instead of
5697 add_stmt_operand. Only recurse on base var if requested.
5698 (access_can_touch_variable): New function.
5699 (add_stmt_operand): Split virtual operand handling into ...
5700 (add_virtual_operand): Here. Add offset, size, and for_clobber
5701 arguments. Prune alias sets.
5702 (add_call_clobber_ops): Call add_virtual_operand.
5704 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5706 PR middle-end/26300
5707 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5709 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5710 than TREE_CODE as index into omp_clause_num_ops array.
5712 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5714 PR rtl-optimization/26184
5715 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5716 uses_of_defs.
5717 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5718 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5719 must_precede, must_follow and tobe_scheduled.
5721 PR other/26147
5722 * opts.c (common_handle_option): Free new_option pointer.
5723 * df-core.c (df_analyze): Free postorder pointer.
5725 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5727 * Makefile.in: Fix the examples about the use of stamps
5729 2006-02-15 Michael Matz <matz@suse.de>
5731 PR middle-end/22275
5733 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5734 influenced by maximum_field_alignment or DECL_PACKED.
5735 (update_alignment_for_field): Ditto.
5736 (place_field): Ditto.
5737 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5738 this behaviour.
5740 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5742 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5743 (debug_flow_info): Pass it.
5744 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5745 * bb-reorder.c (reorder_basic_blocks): Likewise.
5746 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5747 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5748 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5749 * gcse.c (gcse_main, bypass_jumps): Likewise.
5750 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5751 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5752 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5753 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5754 * rtl.h (dump_flow_info): Adjust prototype.
5755 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5756 * var-tracking.c (variable_tracking_main): Likewise.
5757 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5758 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5759 options.
5761 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5763 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5764 construction.
5766 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5768 PR tree-optimization/26209
5769 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5770 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5771 eh edges.
5772 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5774 2006-02-14 Roger Sayle <roger@eyesopen.com>
5776 PR middle-end/23670
5777 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5778 (X,Y) and the corresponding symmetry related transformations.
5779 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5780 (X,Y) and its symmetry related transformations.
5782 2006-02-14 Roger Sayle <roger@eyesopen.com>
5784 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5785 and GEU.
5787 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5789 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5791 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5793 PR bootstrap/26053
5794 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5795 support COMDAT group.
5796 * configure: Regenerate.
5798 2006-02-14 Roger Sayle <roger@eyesopen.com>
5800 PR middle-end/26279
5801 PR middle-end/26280
5802 PR middle-end/26283
5803 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5805 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5807 Fix PR tree-optimization/26260
5809 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5810 param.
5811 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5812 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5813 * tree-ssa-structalias.c (create_variable_info_for): Use
5814 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5816 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5818 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5819 Document.
5820 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5821 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5822 of the ending condition.
5823 * tree-ssa-loop-manip.c: Include params.h.
5824 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5825 tree_unroll_loop): New functions.
5826 * tree-pass.h (pass_loop_prefetch): Declare.
5827 * loop.c (rest_of_handle_loop_optimize): Test for
5828 -fprefetch-loop-arrays-rtl.
5829 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5830 * timevar.def (TV_TREE_PREFETCH): New timevar.
5831 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5832 pass_loop_prefetch): New.
5833 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5834 (cleanup_tree_cfg_loop): Call scev_reset.
5835 * common.opt (fprefetch-loop-arrays-rtl): Add.
5836 * tree-ssa-loop-prefetch.c: New file.
5837 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5838 (new_temp_expr_table): Initialize expr_vars.
5839 (free_temp_expr_table): Cleanup expr_vars.
5840 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5841 expressions from being merged into one.
5842 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5843 (struct tree_niter_desc): Add control, bound and cmp fields.
5844 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5845 Declare.
5846 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5847 (tree-cfgcleanup.o): Add SCEV_H dependency.
5848 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5849 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5851 2006-02-14 Richard Guenther <rguenther@suse.de>
5853 PR tree-optimization/26258
5854 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5855 in PHI argument processing.
5857 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5859 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5860 new expression in the requested machine mode.
5862 2006-02-13 Roger Sayle <roger@eyesopen.com>
5864 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5865 directly, instead let do_compare_rtx_and_jump handle this for us.
5866 * expr.c (expand_expr_real_1): Likewise.
5867 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5868 before do_jump_by_parts_greater.
5869 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5870 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5872 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5874 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5876 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5878 PR rtl-optimization/26235
5879 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5880 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5881 format.
5883 2006-02-13 Jeff Law <law@redhat.com>
5885 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5886 TRUTH_XOR_EPR.
5888 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5890 PR middle-end/26092
5891 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5892 twice if decl is a builtin. When trying again, call get_callee_fndecl
5893 first to verify it is still a builtin.
5895 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5897 * dwarf2out.c (base_type_die): Don't add AT_name here.
5898 (subrange_type_die): Don't add AT_name here.
5899 (modified_type_die): Rearrange code flow. Do add AT_name here.
5901 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5903 PR rtl-optimization/26247
5904 PR rtl-optimization/26248
5905 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5907 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5909 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5910 * config/fixtfdi.c: Likewise.
5911 * config/fixunstfdi.c: Likewise.
5912 * config/floatditf.c: Likewise.
5914 2006-02-13 Roger Sayle <roger@eyesopen.com>
5916 PR middle-end/24427
5917 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5918 into (X,C2) if C1 is a subset of the bits of C2. Transform
5919 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5920 (X&(C1&~C2))|C2.
5921 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5923 2006-02-13 Josh Conner <jconner@apple.com>
5925 PR target/25376
5926 * varasm.c (function_section): Check for section name before
5927 calling select_section on targets that define
5928 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5929 unlikely_text_section instead of hot_function_section if
5930 first_function_block_is_cold.
5932 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5934 PR middle-end/25335
5935 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5937 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5939 PR rtl-optimization/26222
5940 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5941 after tree->rtl expansion.
5942 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5943 before passing it to emit_move_insn.
5945 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5947 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5948 default.
5949 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5950 Clarify documentation.
5951 * c-common.h (warn_write_strings): Remove.
5952 * c-common.c (warn_write_strings): Likewise.
5953 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5954 default for C++.
5956 2006-02-12 Roger Sayle <roger@eyesopen.com>
5958 PR middle-end/25724
5959 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5960 (do_jump_parts_zero_rtx): New function renamed from
5961 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5962 (do_jump_parts_equality_rtx): New function split out from
5963 do_jump_parts_equality. Old implementation renamed as above.
5964 Call do_jump_parts_zero_rtx if either operand is zero.
5965 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5966 do all of the heavy lifting.
5967 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5968 calling either do_jump_by_parts_greater_rtx or
5969 do_jump_by_parts_equality_rtx.
5970 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5971 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5972 moved to do_compare_rtx_and_jump, call it directly.
5973 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5974 mode argument. Call do_compare_rtx_and_jump.
5975 (emit_case_nodes): Update calls to do_jump_if_equal.
5977 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5979 PR rtl-optimization/26225
5980 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5982 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5984 PR rtl-optimization/26232
5985 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5987 2006-02-11 Jason Merrill <jason@redhat.com>
5989 PR tree-opt/24365
5990 * tree-inline.c (declare_return_variable): Just don't use the
5991 modify target if it's a gimple complex reg and the return slot
5992 isn't.
5994 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5996 * doc/contrib.texi: Update my entry.
5998 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6000 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6002 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6004 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6005 expensive.
6007 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6009 * doc/invoke.texi (-floop-optimize2): Removed.
6010 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6011 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6012 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6013 * common.opt (floop-optimize2): Removed.
6014 (fmove-loop-invariants): Enabled by default.
6016 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6018 * tree-if-conv.c (combine_blocks): Free the result of
6019 get_loop_exit_edges.
6021 2006-02-10 Jeff Law <law@redhat.com>
6023 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6025 PR tree-optimization/26213
6026 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6027 loop trying to follow SSA_NAME_VALUE chains.
6029 2006-02-10 Richard Guenther <rguenther@suse.de>
6031 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6032 deal with structures that end in implicitly variable sized arrays.
6034 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6036 PR rtl-optimization/24762
6037 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6038 eh edges.
6040 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6042 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6043 (struct ivopts_data): Add regs_used field.
6044 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6045 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6046 instead of loop_data->regs_used;
6047 (free_loop_data): Do not free aux fields for loops.
6048 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6049 and tree_ssa_iv_optimize_finalize.
6051 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6053 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6055 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6057 PR target/26141
6058 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6059 computing the effective result type.
6061 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6063 PR inline-asm/16194
6064 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6065 (tree_overlaps_hard_reg_set): Declare.
6066 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6067 type and signature to match function type expected by walk_tree.
6068 (tree_overlaps_hard_reg_set): New function.
6069 (decl_conflicts_with_clobbers_p): Rename to:
6070 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6071 Use tree_overlaps_hard_reg_set. Changed caller.
6072 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6073 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6074 * cris.c (cris_md_asm_clobbers): Likewise.
6076 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6078 * reload1.c (emit_input_reload_insns): Delete code that tries to
6079 inherit using find_equiv_reg.
6081 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6083 * c-common.h (flag_const_strings): Don't declare.
6084 * c-common.c (flag_const_strings): Remove.
6085 * c.opt (fconst_strings): Remove.
6086 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6087 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6088 (c_common_init_options): Don't set flag_const_strings.
6089 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6091 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6093 * arm.md (tlobits_cbranch): New pattern.
6094 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6095 testing a single bit.
6097 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6099 PR tree-opt/26179
6100 * tree-ssa-pre.c (create_component_ref_by_pieces):
6101 Handle RETURN_DECL like VAR_DECL.
6103 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6105 PR middle-end/26134
6106 * fold-const.c (fold_indirect_ref_1): Fold
6107 "*(foo *)&complexfoo" to "__real__ complexfoo"
6108 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6110 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6112 * tree-flow-inline.h (var_can_have_subvars):
6113 Volatile variables should not have subvariables.
6115 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6117 PR 26180
6118 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6119 multiplying unsigned values.
6120 Tidy comments.
6122 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6124 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6126 2006-02-08 Jason Merrill <jason@redhat.com>
6128 PR c++/25979
6129 * tree.def: Elaborate on difference from MODIFY_EXPR.
6130 * doc/c-tree.texi (INIT_EXPR): Likewise.
6131 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6132 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6133 (gimplify_target_expr): Likewise.
6134 (gimplify_cond_expr): Remove target handling.
6135 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6136 (gimplify_expr): Clobber it here.
6137 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6138 Do return slot optimization if we have an INIT_EXPR.
6140 PR tree-opt/24365
6141 * tree-inline.c (declare_return_variable): Also clear
6142 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6144 PR c++/16405
6145 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6147 PR middle-end/22439
6148 * gimplify.c (gimplify_one_sizepos): Fix typo.
6150 2006-02-08 Jeff Law <law@redhat.com>
6152 PR tree-optimization/21417
6153 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6154 across a backedge if the control statement at the end of the
6155 block is data dependent on other statements in the same block.
6156 (record_temporary_equivalences_from_stmts): Remove over-conservative
6157 test for threading across backedges.
6159 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6160 control statement, handle all three special cases in the same
6161 manner as they all have the same desired solution. No longer
6162 special case edge flag updating when the post dominator is
6163 the exit block.
6165 2006-02-08 Roger Sayle <roger@eyesopen.com>
6167 * tree.def (CHAR_TYPE): Remove.
6168 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6169 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6170 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6171 (gen_string_type_die): Delete unreachable function.
6173 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6174 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6175 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6176 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6177 * builtins.c (type_to_class): Likewise.
6178 * fold-const.c (fold_convert, build_range_check,
6179 merge_ranges): Likewise.
6180 * expr.c (count_type_elements): Likewise.
6181 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6182 * stor-layout.c (layout_type): Likewise.
6183 * ipa-type-escape.c (type_to_consider): Likewise.
6184 * gimplify.c (omp_firstprivatize_type_sizes,
6185 gimplify_type_sizes): Likewise.
6186 * explow.c (promote_mode): Likewise.
6187 * tree-sra.c (is_sra_scalar_type): Likewise.
6188 * varasm.c (output_constant): Likewise.
6189 * tree-inline.c (remap_type_1): Likewise.
6190 * convert.c (convert_to_pointer, convert_to_real,
6191 convert_to_integer, convert_to_complex): Likewise.
6193 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6195 * df-scan.c (df_def_record_1): A set destination may
6196 be a parallel regardless of mode.
6198 2006-02-08 Roger Sayle <roger@eyesopen.com>
6200 PR target/22209
6201 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6202 * config/mips/_tilib.c: Remove.
6203 * config/fixtfdi.c: New libgcc source file.
6204 * config/fixunstfdi.c: New source file.
6205 * config/floatditf.c: New source file.
6206 * config/floatunditf.c: New souce file.
6207 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6208 files above instead of config/mips/_tilib.c.
6209 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6211 2006-02-08 Jeff Law <law@redhat.com>
6213 PR tree-optimization/26169
6214 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6215 threading jumps.
6217 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6219 * df.h (DF_REG_SIZE): Return the length of the initialized
6220 part of the array.
6222 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6224 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6225 __muldf3): Return a correctly signed zero.
6227 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6229 * passes.c (register_one_dump_file): Accept the current properties
6230 instead of pass number. Adjust call to dump_register. Remove
6231 duplicated code.
6232 (register_dump_files): Now a wrapper around...
6233 (register_dump_files_1): ... this one. Do not modify the pass
6234 structure.
6235 (next_pass_1): Cosmetic fix.
6236 (execute_todo): Keep second parameter only. Use curr_properties
6237 instead of fetching it from the pass structure. Check and set
6238 last_verified.
6239 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6240 instead of fetching it from the pass structure. Fix calls to
6241 execute_todo. Update curr_properties and initialize .vcg RTL dump
6242 after running the pass. Reset last_verified.
6243 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6244 at the beginning.
6245 (FIRST_AUTO_NUMBERED_DUMP): New.
6246 (dump_register): Remove "num" parameter, assign it within the
6247 function.
6248 (get_dump_file_name): Modify template for dumps.
6249 * tree-dump.h (dump_register): Adjust prototype.
6250 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6251 (PROP_trees): Add PROP_gimple_lomp.
6252 (TODO_set_props): New.
6253 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6254 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6255 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6257 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6259 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6260 (sparc64-*-linux*): Likewise.
6261 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6262 * config/sparc/t-linux: New file.
6263 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6264 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6265 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6266 -m32 -mlong-double-128.
6268 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6269 * config/alpha/t-linux: New file.
6270 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6272 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6273 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6274 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6275 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6276 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6277 (CPP_ARCH32_SPEC): Remove.
6279 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6281 PR tree-optimization/26145
6282 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6283 bbs pointer.
6285 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6287 PR target/26109
6288 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6289 >= 240000 when generating code for SOM runtime.
6290 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6291 to $$dyncall when generating code for SOM runtime..
6293 2006-02-07 Dirk Mueller <dmueller@suse.com>
6295 PR c++/18150
6296 * doc/invoke.texi (-Wsequence-point): Update documentation
6297 that -Wsequence-point is implemented for C++ as well.
6299 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6301 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6302 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6303 (LIB_SPEC): Likewise.
6304 * doc/invoke.texi (SPARC options): Document -pthread.
6306 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6308 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6309 PIC addresses.
6311 2006-02-07 Roger Sayle <roger@eyesopen.com>
6313 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6314 Correct comment describing BOOLEAN_TYPE.
6316 2006-02-07 Dirk Mueller <dmueller@suse.com>
6318 * c.opt: C++ frontend supports -Wdiv-by-zero.
6319 * c-opts.c (c_common_handle_option): Remove dead case.
6321 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6323 * configure.ac (TLS assembler check): Do not enable TLS by
6324 default on SPARC/Solaris before version 10.
6325 * configure: Regenerate.
6327 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6329 * doc/invoke.texi (xl-compat): Document conversion and support
6330 routine names.
6332 2006-02-07 Jeff Law <law@redhat.com>
6334 * tree-vrp.c (find_conditional_asserts): Update comments.
6335 (simplify_stmt_for_jump_threading): New.
6336 (identify_jump_threads, finalize_jump_threads): New.
6337 (vrp_finalize): Call identify_jump_threads.
6338 (execute_vrp): Call finalize_jump_threads.
6339 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6340 (vrp_element, vrp_data, vrp_element_p): Remove.
6341 (vrp_hash_elt, vrp_variables_stack): Remove.
6342 (vrp_hash, vrp_eq, record_range): Remove.
6343 (simplify_cond_and_lookup_avail_expr): Remove.
6344 (extract_range_from_cond): Remove.
6345 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6346 (simplify_stmt_for_jump_threading): New.
6347 (dom_thread_across_edge): New wrapper.
6348 (tree_ssa_dominator_optimize): No longer initialize or
6349 finalize any of the VRP datastructures. Remove iteration
6350 step and simplify as a result of removal of iteration step.
6351 (pass_dominator): Perform a cfg cleanup after DOM.
6352 (dom_opt_finalize_block): Use the new common routines
6353 for threading jumps. Simplify stack management slightly.
6354 No longer need to unwind VRP state.
6355 (record_equivalences_from_incoming_edge): No longer record
6356 VRP information.
6357 (eliminate_redundant_computations): No longer call
6358 simplify_cond_and_lookup_avail_expr.
6359 * tree-flow.h (potentially_threadable_block): Prototype.
6360 (thread_across_edge): Likewise.
6361 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6362 (tree-ssa-threadedge.o): Add dependencies.
6363 * tree-ssa-threadedge.c: New file.
6364 * passes.c (init_optimization_passes): Merge PHIs before
6365 calling VRP. Run VRP again late in the SSA optimization pipeline.
6367 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6369 * df-core.c (df_set_blocks): Do not dereference function pointers.
6370 (df_finish1): Likewise.
6371 (df_hybrid_search_forward): Likewise.
6372 (df_hybrid_search_backward): Likewise.
6373 (df_iterative_dataflow): Likewise.
6374 (df_analyze_problem): Likewise.
6375 (df_compact_blocks): Likewise.
6376 (df_dump): Likewise.
6377 * df-scan.c (df_rescan_blocks): Likewise.
6378 (df_record_entry_block_defs): Likewise.
6380 * genconditions.c (write_conditions): Guard the definition of
6381 'insn_conditions' with the check on GCC version.
6382 (write_writer): Guard the traversal 'insn_conditions' with
6383 the check on GCC version.
6385 2006-02-07 Richard Guenther <rguenther@suse.de>
6387 PR c++/26140
6388 Revert
6389 2006-01-30 Richard Guenther <rguenther@suse.de>
6390 PR c++/23372
6391 * gimplify.c (gimplify_target_expr): Handle easy cases
6392 without creating a temporary.
6394 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6396 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6397 use of float in probability computations. Use edge probabilities
6398 in place of statically computed probabilities.
6399 (min_spec_prob): New static variable.
6400 (schedule_insns): Initialize it.
6401 (GET_SRC_PROB): Removed.
6402 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6404 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6406 PR debug/24444
6407 * config/ia64/unwind-ia64.c: Revert last change.
6408 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6409 (INCOMING_FRAME_SP_OFFSET): Define.
6411 2006-02-06 Roger Sayle <roger@eyesopen.com>
6413 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6415 2006-02-07 Ben Elliston <bje@au.ibm.com>
6417 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6418 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6419 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6420 (ix86_return_in_memory): Handle TDmode.
6421 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6422 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6424 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6426 * reorg.c (dbr_schedule): Use dump_file instead of file.
6428 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6430 PR target/25917
6431 * config/ia64/predicates.md (extr_len_operand): New predicate.
6432 * config/ia64/ia64.md (extv): Tighten constraints.
6433 (extzv): Ditto.
6434 (*tbit_and_2): Ditto.
6435 (*tbit_and_3): Ditto.
6436 (*tbit_or_2): Ditto.
6437 (*tbit_or_3): Ditto.
6438 (*bit_zero): Ditto.
6439 (*bit_one): Ditto.
6441 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6443 PR target/23359
6444 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6446 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6448 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6449 loop_optimizer_init and loop_optimizer_finalize
6450 * tree-ssa-sink.c (execute_sink_code): Ditto.
6451 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6452 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6453 tree_ssa_loop_done): Ditto.
6454 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6455 * sched-ebb.c: Include output.h.
6456 (schedule_ebbs): Do not use dump argument.
6457 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6458 * loop.c (loop_dump_stream): Removed.
6459 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6460 argument.
6461 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6462 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6463 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6464 loop_iterations, strength_reduce, record_biv, record_giv,
6465 final_giv_value, check_final_value, check_ext_dependent_givs,
6466 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6467 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6468 dump_file instead of loop_dump_stream.
6469 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6470 argument dump_file.
6471 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6472 dump argument.
6473 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6474 * haifa-sched.c: Include output.h
6475 (schedule_insns, sched_init): Do not use dump argument.
6476 * mode-switching.c (optimize_mode_switching): Ditto.
6477 * modulo-sched.c (stats_file): Removed.
6478 (print_node_sched_params): Do not call argument dump_file.
6479 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6480 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6481 of stats_file.
6482 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6483 use dump argument.
6484 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6485 rtl_loop_init, rtl_loop_done): Ditto.
6486 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6487 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6488 Ditto.
6489 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6490 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6491 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6492 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6493 * emit-rtl.c (renumber_insns): Ditto.
6494 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6495 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6496 * regclass.c (regclass): Ditto.
6497 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6498 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6499 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6500 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6501 Ditto.
6502 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6503 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6504 to regclass.
6505 * gcse.c (gcse_file, debug_stderr): Removed.
6506 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6507 rest_of_handle_gcse): Do not use dump argument.
6508 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6509 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6510 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6511 compute_code_hoist_vbeinout, compute_code_hoist_data,
6512 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6513 compute_store_table, build_store_vectors, insert_insn_start_bb,
6514 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6515 store_motion): Use dump_file instead of gcse_file.
6516 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6517 * profile.c (profile_dump_file): Removed.
6518 (branch_prob): Use dump_file instead of profile_dump_file.
6519 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6520 dump_file.
6521 * tree-ssa-copy.c (dump_copy_of): Ditto.
6522 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6523 dump file to life_analysis.
6524 * bt-load.c (branch_target_load_optimize): Ditto.
6525 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6526 renumber_insns.
6527 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6528 regclass, dbr_schedule): Declaration changed.
6529 * sched-int.h (sched_init): Declaration changed.
6530 * tree-profile.c (tree_profile_dump_file): Removed.
6531 (tree_profile_hooks): Removed profile_dump_file hook.
6532 * rtl-profile (rtl_profile_dump_file): Removed.
6533 (rtl_profile_hooks): emoved profile_dump_file hook.
6534 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6535 changed.
6536 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6537 * tree-cfg.c (build_tree_cfg): Ditto.
6538 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6539 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6540 Declaration changed.
6541 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6542 life_analysis and schedule_insns.
6543 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6544 life_analysis.
6545 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6546 dbr_schedule.
6547 * config/mips/mips.c (mips_reorg): Ditto.
6548 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6549 schedule_ebbs.
6551 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6553 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6554 (s390_mangle_fundamental_type): New.
6555 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6556 Define.
6558 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6559 (alpha_mangle_fundamental_type): New.
6560 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6561 Define.
6563 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6564 Define.
6565 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6566 Define.
6567 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6568 (sparc_mangle_fundamental_type): New.
6570 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6572 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6573 (s390x-*-linux*): Likewise.
6574 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6575 * config/s390/t-linux: New file.
6577 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6579 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6580 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6582 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6584 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6585 (ANTIC_SAFE_LOADS): New macro.
6586 (find_or_generate_expression): Add prototype.
6587 (set_contains_value): Allow null set for sake of not always having
6588 to allocate ANTIC_SAFE_LOADS.
6589 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6590 Allow COMPONENT_REF too.
6591 (valid_in_set): Allow COMPONENT_REF.
6592 Check ANTIC_SAFE_LOADS too.
6593 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6594 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6595 rename.
6596 (can_PRE_operation): Add COMPONENT_REF.
6597 (create_component_ref_by_pieces): New function.
6598 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6599 (insert_aux): Move AGGREGATE_TYPE_P check here.
6600 (compute_avail): Set bb local stmt uids.
6601 (pass_pre): Use TODO_update_ssa_only_virtuals.
6603 2006-02-06 Ben Elliston <bje@au.ibm.com>
6605 * configure.ac: Unconditionally disable decimal float by default.
6606 * configure: Regenerate.
6608 2006-02-06 Ben Elliston <bje@au.ibm.com>
6610 * read-rtl.c (read_name): Terminate reading on EOF.
6612 2006-02-06 Ben Elliston <bje@au.ibm.com>
6614 * dfp.c (decimal_real_arithmetic): Change second argument type
6615 from int to enum tree_code. Do not always return true, but now
6616 return result of any call to decimal_do helper functions.
6617 * dfp.h (decimal_real_arithmetic): Update prototype.
6619 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6621 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6623 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6625 PR tree-opt/25251
6626 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6627 forced labels.
6629 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6631 * tree-vrp.c (cfg_loops): Removed.
6632 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6633 Use current_loops instead of cfg_loops. Pass flags to
6634 loop_optimizer_init.
6635 * cfgloopmanip.c (fix_loop_structure): Update only available
6636 information.
6637 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6638 loop_optimizer_init.
6639 * modulo-sched.c (build_loops_structure): Removed.
6640 (sms_schedule): Use loop_optimizer_init.
6641 * loop-init.c (loop_optimizer_init): Use flags to determine
6642 which properties of loops to prepare.
6643 (rtl_loop_init): Pass flags to loop_optimizer_init.
6644 * tree-ssa-sink.c (execute_sink_code): Ditto.
6645 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6646 * tree-ssa-pre.c (init_pre): Ditto.
6647 * cfgloop.h (LOOPS_NORMAL): New.
6648 (loop_optimizer_init): Declaration changed.
6650 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6652 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6653 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6654 pa/t-pa.
6655 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6656 pa/t-pa.
6657 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6658 pa/x-ada.
6659 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6660 * pa/t-pa64: Delete quadlib.c rule.
6661 * pa/x-ada: Revert last change.
6662 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6664 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6666 PR rtl-optimization/26087
6667 * rtlanal.c (canonicalize_condition): Do not cross basic block
6668 boundaries.
6670 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6672 PR debug/24444
6673 * config/ia64/ia64.c: Include debug.h.
6674 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6675 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6676 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6677 (process_epilogue, process_set, process_for_unwind_directive):
6678 Output unwind info only if requested. Add CFA info if requested.
6679 Add new arguments as needed. Adjust callers.
6680 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6681 incorrect default.
6682 (DWARF2_FRAME_INFO): Define to zero.
6683 * config/ia64/unwind-ia64.c: Remove code that compensated for
6684 the CFA offset error fixed above.
6685 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6686 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6687 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6688 -funwind-tables and -fexceptions to enable frame info.
6689 (dwarf2out_frame_init): Define initial CFA even if
6690 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6691 DWARF2_UNWIND_INFO is nonzero, not just defined.
6692 (dwarf2out_frame_finish): Output non-EH call frame info only
6693 if DWARF2_FRAME_INFO is nonzero.
6694 (convert_cfa_to_loc_list,
6695 compute_frame_pointer_to_cfa_displacement): Define even if
6696 unwind info is not supported.
6697 (gen_subprogram_die): Use the above unconditionally. Remove
6698 legacy alternate code.
6699 * toplev.c (compile_file): Compile in call to
6700 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6701 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6703 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6704 Jakub Jelinek <jakub@redhat.com>
6706 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6707 IBM extended float format long double as "g" on powerpc*-linux.
6709 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6711 PR target/25926
6712 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6713 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6715 2006-02-03 Jason Merrill <jason@redhat.com>
6717 PR c++/25979
6718 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6720 PR middle-end/25977
6721 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6722 on the return slot if it's an NRV.
6724 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6726 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6727 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6728 rewrite_use): Do not handle USE_OUTER.
6729 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6730 add_iv_outer_candidates, may_replace_final_value,
6731 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6732 (find_interesting_uses_op): Functionality of
6733 find_interesting_uses_outer_or_nonlin moved here.
6734 (find_interesting_uses_outside): Use find_interesting_uses_op.
6736 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6738 PR target/25960
6739 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6741 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6742 Ulrich Weigand <uweigand@de.ibm.com>
6744 PR target/25864
6745 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6746 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6747 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6748 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6749 and dxr fields.
6750 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6751 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6752 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6753 Define secondary reloads for TFmode moves.
6754 (constant_modes): Add TFmode.
6755 (NR_C_MODES): Set to 8.
6756 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6757 builtin define.
6758 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6759 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6760 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6761 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6762 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6763 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6764 (FPR mode macro): Add TFmode.
6765 (DSF mode macro): New.
6766 (<de>, <dee> mode attributes): Removed.
6767 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6768 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6769 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6770 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6771 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6772 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6773 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6774 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6775 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6776 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6777 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6778 "*negabs<mode>2", "sqrt<mode>2"):
6779 Changed <de> to <xde>. R constraint replaced by <Rf>.
6780 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6781 <Rf>.
6782 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6783 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6784 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6785 splitters.
6786 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6787 "extenddftf2", "extendsftf2"): New expanders.
6788 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6789 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6790 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6791 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6792 New options.
6793 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6794 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6795 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6796 __floatditf): Add a GCC_4.1.0 symbol version tag.
6797 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6798 the new options.
6800 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6802 PR target/25377
6803 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6804 Use targetm.binds_local_p instead of TREE_PUBLIC.
6806 2006-02-02 Roger Sayle <roger@eyesopen.com>
6808 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6809 on INTEGER_TYPEs to indicate that it denotes a character type.
6810 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6811 signed_char_type_node, unsigned_char_type_node and char_type_node.
6812 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6813 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6814 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6816 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6817 Daniel Berlin <dberlin@dberlin.org>
6819 * tree-tailcall.c (arg_needs_copy_p): New function.
6820 (eliminate_tail_call): Use arg_needs_copy_p.
6821 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6822 (add_virtual_phis): New function.
6824 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6826 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6827 #ignore instead of #scratch for %g7 .register directive.
6829 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6831 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6832 object files.
6834 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6836 * flow.c (calculate_global_regs_live): Assert that there aren't any
6837 EDGE_FAKE edges.
6839 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6841 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6842 what its name says.
6843 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6844 bsi_after_labels iterator.
6845 * tree-if-conv.c (find_phi_replacement_condition,
6846 replace_phi_with_cond_modify_expr): Likewise.
6847 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6848 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6850 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6852 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6854 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6856 PR 25990
6857 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6858 array after growing it.
6860 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6862 PR middle-end/24901
6863 * fold-const.c (fold_checksum_tree): Change type of buf.
6865 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6867 * reload.c (push_secondary_reload): Initialize t_icode.
6869 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6871 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6872 -msoft-float -mlong-double-128 only issue a warning, but don't
6873 swich to DFmode long double.
6875 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6877 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6878 has a constant equivalent, iterate over equivalents for arg0,
6879 calling simplify_relational_operation and if there's a result
6880 cheaper than X, apply fold_rtx and return the result.
6882 2006-02-01 Jan Hubicka <jh@suse.cz>
6884 * opts.c (no_unit_at_a_time_default): New global variable.
6885 (decode_options): Use it.
6886 * opts.h (no_unit_at_a_time_default): Declare.
6888 2006-02-01 Paul Brook <paul@codesourcery.com>
6890 * function.c (assign_parm_setup_reg): Use function argument promotion
6891 rules.
6892 * expr.c (expand_expr_real_1): Use function argument promotion rules
6893 for PARM_DECLs.
6895 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6897 * gcc.c (process_command): Change j to 'unsigned int'.
6899 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6901 PR middle-end/26001
6902 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6903 Use the corrected index for the character
6904 out of the string constant.
6906 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6908 * mode-switching.c (optimize_mode_switching): Fix size
6909 allocated for bb_info[n_entities].
6911 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6913 * gcc.c (main): Correct type that is allocated for
6914 explicit_link_files.
6916 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6918 * config/s390/s390.c (init_alignment_context): Set
6919 ALIAS_SET_MEMORY_BARRIER on the MEM.
6920 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6922 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6924 PR middle-end/25933
6925 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6926 dom_bbs pointer.
6927 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6928 call to tpa_init.
6930 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6932 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6933 * regrename.c: Ditto.
6934 * tree-ssa-loop-im.c: Ditto.
6935 * tree-dump.c: Ditto.
6936 * tree-complex.c: Ditto.
6937 * genrecog.c: Ditto.
6938 * tree-ssa-threadupdate.c: Ditto.
6939 * tracer.c: Ditto.
6940 * java/class.c: Ditto.
6941 * java/jcf-parse.c: Ditto.
6942 * java/resource.c: Ditto.
6943 * java/except.c: Ditto.
6944 * java/jvspec.c: Ditto.
6945 * java/jcf-write.c: Ditto.
6946 * java/jcf-path.c: Ditto.
6947 * java/gjavah.c: Ditto.
6948 * java/zextract.c: Ditto.
6949 * java/jcf-io.c: Ditto.
6950 * java/jcf.h: Ditto.
6951 * java/buffer.c: Ditto.
6952 * java/lang.c: Ditto.
6953 * java/parse-scan.y: Ditto.
6954 * java/lex.c: Ditto.
6955 * java/lex.h: Ditto.
6956 * cfgloopmanip.c: Ditto.
6957 * postreload-gcse.c: Ditto.
6958 * tree-ssa-loop-manip.c: Ditto.
6959 * postreload.c: Ditto.
6960 * tree-ssa-loop-ch.c: Ditto.
6961 * loop.c: Ditto.
6962 * ipa-cp.c: Ditto.
6963 * cppspec.c: Ditto.
6964 * diagnostic.c: Ditto.
6965 * final.c: Ditto.
6966 * genoutput.c: Ditto.
6967 * gcc.c: Ditto.
6968 * cfghooks.c: Ditto.
6969 * cfgloopanal.c: Ditto.
6970 * objc/objc-act.c: Ditto.
6971 * gcov.c: Ditto.
6972 * genextract.c: Ditto.
6973 * genautomata.c: Ditto.
6974 * pretty-print.c: Ditto.
6975 * genemit.c: Ditto.
6976 * cgraphunit.c: Ditto.
6977 * flow.c: Ditto.
6978 * df-scan.c: Ditto.
6979 * haifa-sched.c: Ditto.
6980 * dominance.c: Ditto.
6981 * dbxout.c: Ditto.
6982 * tree-ssa-loop-ivopts.c: Ditto.
6983 * df-core.c: Ditto.
6984 * mode-switching.c: Ditto.
6985 * modulo-sched.c: Ditto.
6986 * graph.c: Ditto.
6987 * ipa-pure-const.c: Ditto.
6988 * cse.c: Ditto.
6989 * fix-header.c: Ditto.
6990 * web.c: Ditto.
6991 * tree-stdarg.c: Ditto.
6992 * ipa-utils.c: Ditto.
6993 * loop-init.c: Ditto.
6994 * ipa-inline.c: Ditto.
6995 * cfganal.c: Ditto.
6996 * global.c: Ditto.
6997 * alloc-pool.c: Ditto.
6998 * dwarf2out.c: Ditto.
6999 * opts.c: Ditto.
7000 * genattrtab.c: Ditto.
7001 * tree-ssa-loop-ivcanon.c: Ditto.
7002 * predict.c: Ditto.
7003 * timevar.c: Ditto.
7004 * lcm.c: Ditto.
7005 * fortran/gfortranspec.c: Ditto.
7006 * regmove.c: Ditto.
7007 * local-alloc.c: Ditto.
7008 * langhooks.c: Ditto.
7009 * function.c: Ditto.
7010 * tree-vectorizer.c: Ditto.
7011 * gcse.c: Ditto.
7012 * ipa-type-escape.c: Ditto.
7013 * alias.c: Ditto.
7014 * tree-if-conv.c: Ditto.
7015 * profile.c: Ditto.
7016 * ipa.c: Ditto.
7017 * tree-data-ref.c: Ditto.
7018 * loop-unroll.c: Ditto.
7019 * treelang/treetree.c: Ditto.
7020 * calls.c: Ditto.
7021 * bt-load.c: Ditto.
7022 * ggc-common.c: Ditto.
7023 * except.c: Ditto.
7024 * coverage.c: Ditto.
7025 * cselib.c: Ditto.
7026 * tree-cfgcleanup.c: Ditto.
7027 * tree-ssa-pre.c: Ditto.
7028 * cfgcleanup.c: Ditto.
7029 * loop-invariant.c: Ditto.
7030 * loop-iv.c: Ditto.
7031 * ipa-prop.c: Ditto.
7032 * print-tree.c: Ditto.
7033 * conflict.c: Ditto.
7034 * ggc-page.c: Ditto.
7035 * sched-deps.c: Ditto.
7036 * regclass.c: Ditto.
7037 * tree-object-size.c: Ditto.
7038 * combine.c: Ditto.
7039 * bb-reorder.c: Ditto.
7040 * resource.c: Ditto.
7041 * var-tracking.c: Ditto.
7042 * cfgloop.c: Ditto.
7043 * df-problems.c: Ditto.
7044 * reg-stack.c: Ditto.
7045 * tlink.c: Ditto.
7046 * gccspec.c: Ditto.
7047 * sched-rgn.c: Ditto.
7048 * tree-ssa-structalias.c: Ditto.
7049 * tree-ssa-reassoc.c: Ditto.
7050 * config/darwin-c.c: Ditto.
7051 * config/darwin.c: Ditto.
7052 * config/arm/arm.c: Ditto.
7053 * cfgrtl.c: Ditto.
7054 * collect2.c: Ditto.
7055 * reload1.c: Ditto.
7057 2006-01-31 Nicolas Pitre <nico@cam.org>
7059 * arm.md (smaxsi3): Make aware of smax_m1.
7060 (smax_m1): New.
7062 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7064 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7066 2006-01-31 Richard Guenther <rguenther@suse.de>
7068 * doc/invoke.texi (-msselibm): Document.
7069 * target.h (expand_library_builtin): New target hook.
7070 * builtins.c (expand_builtin): Use expand_library_builtin.
7071 (default_expand_library_builtin): New function.
7072 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7073 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7074 (link_gcc_math_spec): Declare.
7075 (static_specs): Add link_gcc_math_spec.
7076 * expr.h (default_expand_library_builtin): Declare.
7077 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7078 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7079 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7080 * config/i386/i386.opt (msselibm): New target option.
7081 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7082 (ix86_init_sse_abi_builtins): New function.
7083 (ix86_expand_library_builtin): Likewise.
7084 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7085 (override_options): Handle error conditions wrt -msselibm.
7086 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7087 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7088 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7089 builtins.
7091 2006-01-31 Richard Guenther <rguenther@suse.de>
7092 Paolo Bonzini <bonzini@gnu.org>
7094 * doc/install.texi (--disable-libgcc-math): Document.
7096 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7098 * expr.h (expand_normal): new inline function.
7099 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7100 * dojump.c: use it.
7101 * dwarf2out.c: use it.
7102 * expr.c: use it.
7103 * calls.c: use it.
7104 * expmed.c: use it.
7105 * except.c: use it.
7106 * config/sparc/sparc.c: use it.
7107 * config/i386/i386.c: use it.
7108 * config/rs6000/rs6000.c: use it.
7109 * config/arm/arm.c: use it.
7110 * config/mips/mips.c: use it.
7111 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7113 2006-01-30 Roger Sayle <roger@eyesopen.com>
7115 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7116 argv to the appropriate type.
7118 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7120 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7121 unreachable code.
7123 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7125 PR target/26018
7126 * config/s390/s390.c (struct machine_function): New flag
7127 decomposed_literal_pool_addresses_ok_p.
7128 (s390_reorg): Set it before final stage of literal pool transforms.
7129 (s390_decompose_address): Only accept displacements of the form
7130 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7132 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7134 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7135 the comparison routine return.
7137 2006-01-30 Michael Matz <matz@suse.de>
7139 * global.c (find_reg): Only evict for global regs.
7140 Take n_refs into account and dump more info.
7142 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7144 PR target/14798:
7145 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7146 (pragma_trap, pragma_nosave_low_regs): Likewise.
7147 (current_function_anonymous_args): Likewise.
7148 (sh_deferred_function_attributes): New variable.
7149 (sh_deferred_function_attributes_tail): Likewise.
7150 (print_operand): For '@', look up trap_exit attribute.
7151 (calc_live_regs): Look up trapa_handler attribute. For trapa
7152 handlers, save/restore fpscr, but don't do any other
7153 interrupt-specific saves.
7154 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7155 Fix check for partially saved registers to check for SHmedia.
7156 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7157 (sh_output_function_epilogue): Don't clear any of the removed
7158 variables.
7159 (sh_insert_attributes): Don't check pragma_interrupt.
7160 Insert deferred attributes. Check that interrupt attribute is
7161 present for other attributes that require its presence.
7162 (sh_attribute_table): Add new attributes trapa_handler and
7163 nosave_low_regs.
7164 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7165 Don't check for pragma_interrupt. Don't store argument.
7166 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7167 (sh_deferred_function_attributes): Declare.
7168 (sh_deferred_function_attributes_tail): Likewise.
7169 * sh.md (sp_switch_1): Add operand. Change generator caller.
7170 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7171 (*return_i): Don't use when trap_exit attribute is in effect.
7172 (*return_trapa): New insn pattern.
7173 * sh-c.c: New file.
7174 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7175 setting c_target_objs and cxx_target_objs.
7176 * t-sh: Add rule for sh-c.o.
7178 2006-01-30 Richard Guenther <rguenther@suse.de>
7180 PR c++/23372
7181 * gimplify.c (gimplify_target_expr): Handle easy cases
7182 without creating a temporary.
7184 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7186 * vec.h (safe_grow): Remove duplicated line.
7188 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7190 PR 25874
7191 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7192 (expand_omp): ... here.
7193 (expand_omp_parallel): Only remove barriers for combined
7194 parallel+workshare constructs.
7196 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7198 Revert
7200 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7201 * tree.c (build_qualified_type): Chain the new type to the original
7202 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7203 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7204 (build_pointer_type_for_mode): Only return unqualified types.
7205 (build_reference_type_for_mode): Likewise.
7207 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7209 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7210 * Makefile.in (CXX_COMPAT_WARN): Define.
7211 * configure: Regenerate.
7213 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7215 PR tree-opt/25911
7216 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7217 to an if check.
7219 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7221 * toplev.c: Fix thinko.
7223 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7224 Marcin Dalecki <martin@dalecki.de>
7226 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7227 (push_srcloc): Use XNEW.
7228 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7230 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7232 * df-core.c (df_set_blocks): Deleted all variable.
7234 2006-01-28 Ian Lance Taylor <ian@airs.com>
7236 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7237 cgraph_output_pending_asms.
7239 2006-01-28 Zack Weinberg <zackw@panix.com>
7241 * c.opt: Add -W(no-)overlength-strings.
7242 * doc/invoke.texi: Document it.
7243 * c-opts.c (c_common_handle_option): -pedantic implies
7244 -Woverlength-strings, if not explicitly disabled already.
7245 (c_common_post_options): -Woverlength-strings defaults to off, and
7246 is always off for C++.
7247 * c-common.c (fix_string_type): Issue warning about strings longer
7248 than is portable only if warn_overlength_strings. Rearrange code
7249 a little for clarity.
7250 * configure.in: Check for -Wno-overlength-strings as well before
7251 enabling -pedantic in stage 1.
7252 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7253 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7255 * genconditions.c (write_header, write_one_condition)
7256 (write_conditions, write_writer): Consolidate very long strings
7257 that were broken up to fit in C89 portable limit. Don't use
7258 printf when fputs will do.
7260 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7262 * combine.c (simplify_comparison <AND>): Check
7263 TRULY_NOOP_TRUNCATION before start using a subreg.
7265 * config/mips/mips.md (*branch_zero<mode>,
7266 *branch_zero<mode>_inverted, *branch_equality<mode>,
7267 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7268 Remove mode check from comparisons.
7270 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7272 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7274 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7276 * expmed.c (const_mult_add_overflow_p): Remove.
7277 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7279 * recog.c (validate_replace_rtx_subexp): Remove.
7280 * recog.h: Remove the prototype for
7281 validate_replace_rtx_subexp.
7283 * integrate.h: Remove the prototype for
7284 copy_decl_for_inlining.
7285 * rtl.h: Remove the prototype for mark_constant_function.
7286 * tree-vectorizer.h: Remove the prototype for
7287 vect_strip_conversion.
7289 * modulo-sched.c (create_partial_schedule,
7290 free_partial_schedule, reset_partial_schedule): Make them
7291 static.
7293 * hooks.c (hook_bool_rtx_int_false): Remove.
7294 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7296 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7298 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7299 and -mlong-double-128 are incompatible.
7300 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7301 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7302 (TARGET_LIBGCC2_CFLAGS): Define.
7303 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7304 (TARGET_LIBGCC2_CFLAGS): Same.
7305 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7307 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7309 PR c/19606.
7310 * c-typeck.c (build_binary_op): Perform implicit casts of
7311 operands before shortening them.
7313 * cfgloopmanip.c (split_loop_bb): Remove.
7314 * cfgloop.h: Remove the prototype for split_loop_bb.
7316 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7317 * cfgloop.h: Remove the prototype for
7318 flow_loop_outside_edge_p.
7320 * emit-rtl.c (init_virtual_regs): Make it static.
7321 * function.h: Remove the prototype for init_virtual_regs.
7323 * recog.c (peephole2_optimize): Make it static.
7324 * recog.h: Remove the prototype for peephole2_optimize.
7326 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7328 * df-scan.c (df_record_entry_block_defs): Check if
7329 INCOMING_RETURN_ADDR_RTX is defined.
7331 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7332 Kenneth Zadeck <zadeck@naturalbridge.com>
7334 PR rtl-optimization/24762
7335 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7336 * targhooks.c (hook_void_bitmap): New hook prototype.
7337 * targhoohs.h (hook_void_bitmap): Ditto.
7338 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7339 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7340 * target.h (live_on_entry): New function pointer.
7341 * df-scan.c (df_all_hard_regs): Removed.
7342 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7343 (df_scan_free_internal): Added df->entry_block_defs.
7344 (df_scan_alloc): Ditto.
7345 (df_scan_dump): Ditto.
7346 (df_uses_record): Plumbed flag field properly thru calls.
7347 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7348 This part fixes PR24762.
7349 (df_bb_refs_record): Added code to make the frame and arg
7350 pointers live in EH blocks.
7351 (df_refs_record): Added call to df_record_entry_block_defs.
7352 (df_record_entry_block_defs): New function.
7353 * df-core.c: Added comments to describe new artifical defs.
7354 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7355 (entry_block_defs): New field in struct df.
7356 (df_all_hard_regs): Deleted.
7357 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7358 * df-problems.c (df_ru_bb_local_compute_process_def):
7359 Added code to handle artifical defs in the entry to a function.
7360 (df_ru_bb_local_compute): Ditto.
7361 (df_rd_bb_local_compute_process_def): Ditto.
7362 (df_rd_bb_local_compute): Ditto.
7363 (df_lr_bb_local_compute): Ditto.
7364 (df_ur_bb_local_compute): Ditto.
7365 (df_urec_bb_local_compute): Ditto.
7366 (df_chain_create_bb): Ditto.
7367 (df_ur_local_finalize): Removed entry.
7368 (df_urec_init): Ditto.
7369 (df_urec_local_finalize): Ditto.
7370 (df_ri_bb_compute): Added detection of last use of pseudos.
7371 * Makefile.in (df-scan.o): Updated dependencies.
7372 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7373 * config/mips/mips.c (mips_set_live_on_entry): Added.
7374 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7375 for target hook.
7376 * dce.c (marked_insn_p): Added code to handle artifical defs.
7378 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7380 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7381 intrinsic.
7382 (_mm_cvtsi128_si64): Likewise.
7383 (_mm_cvtsd_si64): Likewise.
7384 (_mm_cvttsd_si64): Likewise.
7385 (_mm_cvtsi64_sd): Likewise.
7386 (_mm_cvtsi64_si128): Likewise.
7387 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7388 (_mm_cvtsi64_m64): Likewise.
7389 (_m_to_int64): Likewise.
7390 (_mm_cvtm64_si64): Likewise.
7391 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7392 (_mm_cvttss_si64): Likewise.
7393 (_mm_cvtsi64_ss): Likewise.
7394 (_mm_cvtss_f32): Likewise.
7396 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7398 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7399 for pragma redefine_extname.
7401 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7403 PR target/25864
7404 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7405 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7406 -mno-minimal-toc to previous content.
7407 (bispecs): Remove goal.
7408 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7409 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7410 compatibility aliases on powerpc-*-*gnu*.
7411 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7412 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7413 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7414 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7415 (ldblspecs): New goal.
7416 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7417 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7418 _df_to_tf.
7419 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7420 L_sf_to_tf or L_df_to_tf is defined.
7422 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7423 Alan Modra <amodra@bigpond.net.au>
7425 PR target/25864
7426 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7427 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7428 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7429 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7430 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7431 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7432 (rs6000_override_options): Initialize rs6000_ieeequad.
7433 Initialize TFmode format to ibm_extended_format if not
7434 TARGET_IEEEQUAD.
7435 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7436 ieeelongdouble.
7437 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7438 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7439 (function_arg_advance): IBM long double passed in two FPRs, not
7440 split.
7441 (function_arg): IBM long double passed in FPRs.
7442 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7443 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7444 Only multireg GPR aligned.
7445 (rs6000_init_libfuncs): Enable IBM long double functions if not
7446 IEEEQUAD.
7447 (rs6000_generate_compare): Use IBM long double compare if not
7448 TARGET_IEEEQUAD.
7449 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7450 (TARGET_IEEEQUAD): Define.
7451 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7452 not TARGET_IEEEQUAD.
7453 * config/rs6000/rs6000.md: Enable TFmode patterns if
7454 !TARGET_IEEEQUAD.
7455 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7456 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7457 and -mlong-double-128 are incompatible.
7458 * doc/invoke.texi (-mabi): Collect options together. Add
7459 ibmlongdouble and ieeelongdouble.
7461 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7463 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7464 opaque type.
7465 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7466 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7467 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7468 * rtl.h (rtunion_def): Remove rt_ptr.
7469 (X0PTR): Delete.
7470 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7471 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7472 * config/i386/winnt.c (i386_pe_mark_dllexport)
7473 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7475 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7477 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7479 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7481 PR other/24829
7482 PR target/24831
7483 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7484 pthread_key_delete. From John David Anglin. gthrw-ify
7485 pthread_getunique_np only if it it's not a macro. Delete
7486 UNUSED macro.
7487 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7488 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7489 __gthread_objc_condition_signal, __gthread_key_delete): Add
7490 "__attribute__ ((__unused__))" to unused arguments.
7491 (__gthread_recursive_mutex_init_function): Add missing return.
7492 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7493 gthr-posix95.h: Use macro-based approach for name redirection
7494 on targets missing weakref.
7496 2006-01-26 Zack Weinberg <zackw@panix.com>
7498 * genconditions.c (write_header): In generated code, #ifdef out
7499 all includes and fake declarations, except includes of bconfig.h
7500 and system.h, unless GCC_VERSION >= 3001. Do not include
7501 gensupport.h in any case.
7502 (write_conditions): Generate a definition of struct c_test. Add
7503 a comment to the generated #endif.
7504 (write_one_condition): Escape backslashes in string too.
7505 (write_writer): Generated code must escape backslashes and quote
7506 marks (but not newlines) in the strings it writes.
7507 * Makefile.in (build/gencondmd.o): Update dependencies.
7509 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7511 PR target/25961
7512 * Makefile.in (insn-automata.o): Add header file dependencies.
7513 * genautomata.c: Add includes.
7515 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7517 PR target/25961
7518 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7520 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7522 * configure.ac: Expect target tools paths to be passed from the toplevel
7523 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7524 AS_SET_VAR_IF.
7525 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7527 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7529 PR c/25892
7530 * c.opt (Wpointer-sign): Init to -1.
7531 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7532 OPT_pedantic, to 0 otherwise.
7533 * doc/invoke.texi: Update.
7535 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7537 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7538 constants provided by 80387 instructions in the destination mode.
7540 2006-01-26 Richard Guenther <rguenther@suse.de>
7541 Andrew Pinski <pinskia@physics.uc.edu>
7543 PR tree-opt/21470
7544 partial PR tree-opt/17064
7545 * tree-ssa-structalias.c (intra_create_variable_infos):
7546 Create heap variables for incoming parameters if
7547 flag_argument_noalias > 1.
7548 (find_what_p_points_to): Look through default defs of
7549 parameter decls.
7551 2006-01-26 Jeff Law <law@redhat.com>
7553 PR ada/25900
7554 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7555 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7556 within the VR_RANGE, use the VR_RANGE as the result, not the
7557 VR_ANTI_RANGE.
7558 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7559 bounds for the type.
7561 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7563 * tree-ssa-alias.c (maybe_create_global_var): Change
7564 subvar walking to an assertion that we don't have subvar'd variables.
7566 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7568 PR C/25861
7569 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7570 Use a new variable, inner. PARM_DECLs are always non-weak.
7572 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7574 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7575 --disable-checking.
7577 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7579 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7581 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7583 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7584 (smax_insn, smin_insn, smax_0, smin_0): New.
7586 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7588 PR target/25947
7589 * config/cris/cris.c (cris_order_for_addsi3): New function.
7590 * config/cris/cris-protos.h: Prototype it.
7591 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7592 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7593 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7594 (split for "op.S1 [rx=rx+i],ry (swapped)")
7595 (split for "op(s|u).S1 [rx=rx+i],ry")
7596 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7597 Apply cris_order_for_addsi3 when generating addsi3 insns.
7599 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7601 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7602 (TREE_BLOCK): Add call to EXPR_CHECK.
7604 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7606 PR 25886
7607 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7608 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7609 (dump_omp_clauses): ... here.
7610 (dump_generic_node): Handle OMP_CLAUSE.
7611 * tree.c (omp_clause_num_ops): New.
7612 (omp_clause_code_name): New.
7613 (tree_code_size): Handle OMP_CLAUSE.
7614 (tree_size): Likewise.
7615 (make_node): Document handling of OMP_CLAUSE.
7616 (tree_node_structure): Handle OMP_CLAUSE.
7617 (omp_clause_check_failed): New.
7618 (omp_clause_range_check_failed): New.
7619 (omp_clause_operand_check_failed): New.
7620 (build_omp_clause): New.
7621 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7622 * tree.h (enum omp_clause_code): Declare.
7623 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7624 (OMP_CLAUSE_RANGE_CHECK): Define.
7625 (OMP_CLAUSE_ELT_CHECK): Define.
7626 (omp_clause_check_failed): Declare.
7627 (omp_clause_operand_check_failed): Declare.
7628 (omp_clause_range_check_failed): Declare.
7629 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7630 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7631 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7632 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7633 (OMP_CLAUSE_IF_EXPR): Likewise.
7634 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7635 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7636 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7637 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7638 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7639 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7640 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7641 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7642 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7643 (OMP_CLAUSE_CODE): Define.
7644 (OMP_CLAUSE_SET_CODE): Define.
7645 (OMP_CLAUSE_CODE): Define.
7646 (OMP_CLAUSE_OPERAND): Define.
7647 (struct tree_omp_clause): Declare.
7648 (union tree_node): Add field 'omp_clause'.
7649 * treestruct.def (TS_OMP_CLAUSE): Define.
7650 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7651 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7652 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7653 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7654 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7655 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7656 (OMP_CLAUSE): Define.
7657 * print-tree.c (print_node): Handle OMP_CLAUSE.
7658 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7659 * c-typeck.c: Likewise.
7660 * gimplify.c: Likewise.
7661 * c-omp.c: Likewise.
7662 * tree-nested.c: Likewise.
7663 * tree-inline.c: Likewise.
7664 * c-parser.c: Likewise.
7665 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7666 clauses.
7668 2006-01-25 Roger Sayle <roger@eyesopen.com>
7670 PR rtl-optimization/25703
7671 * combine.c (try_combine): Handle zero_extract and strict_low_part
7672 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7674 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7676 * global.c: Fix comment typos.
7678 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7680 PR target/25758
7681 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7682 Use output_addr_const instead of assemble_name.
7684 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7686 * Makefile.in (sched-vis.o): Update dependencies.
7687 * haifa-sched.c (sched_finish): Clear current_sched_info.
7688 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7689 (dump_flow_info): Call it.
7690 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7691 a slim RTL dump.
7692 * basic-block.h (dump_bb_info): Declare.
7693 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7694 option, and apply options only for dump files whose TDF_RTL,
7695 TDF_TREE, or TDF_IPA bits match.
7696 * rtl.h: Declare new functions exported from sched-vis.c.
7697 * sched-vis.c: Enable also if scheduling is not used.
7698 (print_value): Print the mode of registers if not inside scheduling.
7699 (print_insn): Make it work outside the scheduler. Beautify the output
7700 a bit.
7701 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7703 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7705 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7706 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7707 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7708 depending on the value of CONSTANT_POOL_ADDRESS_P.
7709 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7710 SYMBOL_REF_DECL.
7711 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7712 rather than SYMBOL_REF_DECL.
7713 (rtx_constant_pool): Remove const_rtx_sym_htab.
7714 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7715 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7716 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7717 Remove handling of const_rtx_sym_htab.
7718 (find_pool_constant): Delete.
7719 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7720 rather than find_pool_constant.
7721 (get_pool_constant_for_function): Delete.
7722 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7723 find_pool_constant.
7724 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7725 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7726 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7727 (SYMBOL_REF_CONSTANT): New macro.
7728 (get_pool_constant_for_function): Delete.
7729 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7730 rather than SYMBOL_REF_DECL.
7731 (i386_pe_mark_dllimport): Likewise.
7732 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7733 rather than SYMBOL_REF_DECL.
7734 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7735 (machopic_indirect_call_target): Likewise.
7737 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7739 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7741 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7743 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7745 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7747 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7749 2006-01-24 David Daney <ddaney@avtrex.com>
7751 PR java/25816
7752 * configure.ac (enable_tls): New enable option.
7753 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7754 * configure: Regenerate.
7755 * doc/install.texi (--enable-tls): Document new option.
7756 (--disable-tls): Ditto.
7758 2006-01-24 Richard Henderson <rth@redehat.com>
7760 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7761 * alias.c (true_dependence): Respect it.
7762 (canon_true_dependence, write_dependence_p): Likewise.
7763 * builtins.c (get_builtin_sync_mem): Set it.
7765 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7767 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7768 efficient way.
7770 2006-01-24 DJ Delorie <dj@redhat.com>
7772 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7773 for storing constants in single-bit bitfields.
7775 2006-01-25 Ben Elliston <bje@au.ibm.com>
7777 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7779 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7781 PR tree-opt/25860
7782 * tree-ssa-pre.c (phi_translate): Return NULL
7783 for AGGREGATE_TYPE's.
7785 2006-01-24 Zack Weinberg <zackw@panix.com>
7787 * genautomata.c (process_state_for_insn_equiv_partition):
7788 Use xcalloc for insn_arcs_array.
7789 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7790 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7792 2006-01-24 Richard Henderson <rth@redhat.com>
7794 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7795 update all callers.
7797 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7799 PR rtl-optimization/25890
7800 PR rtl-optimization/25905
7801 * combine.c (expand_compound_operation, expand_field_assignment):
7802 Fail if the bitfield's final position is out of bounds.
7804 2006-01-24 Ian Lance Taylor <ian@airs.com>
7806 PR middle-end/25930
7807 * cgraphunit.c (cgraph_output_in_order): Don't clear
7808 cgraph_asm_nodes until after asm strings have been output.
7810 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7812 * fix-header.c (read_scan_file): Add new parameter imultilib when
7813 calling register_include_chains.
7815 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7817 * omp-low.c: Update documentation.
7819 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7820 Daniel Berlin <dberlin@dberlin.org>
7822 PR tree-opt/25315
7823 PR tree-opt/25857
7824 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7825 return from the function.
7827 2006-01-22 Zack Weinberg <zackw@panix.com>
7829 * rtl.def (match_code): Add second argument.
7830 * genpreds.c (write_extract_subexp): New function.
7831 (write_match_code): Add path argument. Use write_extract_subexp.
7832 (write_predicate_expr): Pass path to write_match_code.
7833 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7834 not perform a mode test.
7835 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7836 a subexpression does not constrain the top-level code set.
7837 * read-rtl.c (read_rtx_variadic): New function.
7838 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7839 * doc/md.texi: Document new notation.
7840 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7841 (cmpsi_operand): ... here, using new notation.
7843 2006-01-22 Zack Weinberg <zackw@panix.com>
7845 * varray.c: Remove GENERATOR_FILE #ifdefs.
7847 2006-01-22 Zack Weinberg <zackw@panix.com>
7849 * genautomata.c (output_reserved_units_table): Emit nothing if
7850 description->query_units_num is zero. Remove extra blank line.
7851 (output_cpu_unit_reservation_p): Short circuit
7852 if description->query_units_num is zero.
7854 2006-01-22 Zack Weinberg <zackw@panix.com>
7856 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7857 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7858 nor any of the random handful of variables that used to be necessary
7859 when this program was linked with rtlanal.o. Prune set of forward
7860 function declarations.
7861 (struct attr_desc): Remove static_p field.
7862 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7863 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7864 (attr_string): Do not read the character one past the length of
7865 the string.
7866 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7867 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7868 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7869 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7870 (make_automaton_attrs): New.
7871 (main): Do not call into genautomata. Call local gen_bypass
7872 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7873 Remove special case for insn_alts.
7874 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7875 varray.h (leftover from previous change). Prune set of forward
7876 function declarations. Remove state_alts fields from all
7877 structures. Remove state_alts_table from struct automaton.
7878 Make everything except main static. Do not maintain num_dfa_decls.
7879 Do not maintain state_alts fields of various structures.
7880 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7881 (add_arc): Remove state_alts argument. All callers updated.
7882 (output_reserved_units_table): Emit #ifdef here...
7883 (output_tables): ...not here. Don't generate state_alts tables.
7884 (expand_automata): Don't generate attributes.
7885 (write_automata): Don't generate state_alts functions.
7886 (main): New function.
7887 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7888 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7889 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7890 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7891 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7892 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7893 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7894 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7895 Delete.
7896 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7897 * genattrtab.h: Delete file.
7898 * Makefile.in (OBJS-common): Add insn-automata.o.
7899 (insn-automata.o): New rule.
7900 (simple_generated_c): Add insn-automata.c.
7901 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7902 (genprogmd): Add automata.
7903 (build/genattrtab): Needs no extra objects nor libraries.
7904 (build/genautomata): Needs build/vec.o and -lm.
7906 2006-01-22 Zack Weinberg <zackw@panix.com>
7908 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7909 (output_dfa_max_issue_rate, locked_states_num): Delete.
7910 (struct automaton): Add locked_states field.
7911 (output_dead_lock_vect): Save number of locked states in
7912 automaton->locked_states. If it is zero, don't print anything.
7913 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7914 (output_internal_dead_lock_func): Only test the dead_lock_vect
7915 for automata that have locked states.
7916 (output_statistics): Always print the number of locked states for
7917 each automaton. Calculate total number of locked states here.
7918 (write_automata): Don't call output_dfa_max_issue_rate.
7919 * genattrtab.c: Define length_unit_log as a const variable.
7920 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7921 max_insn_queue_index const.
7922 * final.c (length_unit_log): Declare const.
7923 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7925 2006-01-22 Zack Weinberg <zackw@panix.com>
7927 * genautomata.c: Include vec.h, not varray.h.
7928 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7929 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7930 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7931 VEC_* macros operating on appropriately typed vectors, or to
7932 malloced arrays when the size is known in advance. Const-ify
7933 many char* variables and function arguments. No functional changes.
7934 * Makefile.in (build/varray.o): Delete rule.
7935 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7936 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7938 2006-01-22 Zack Weinberg <zackw@panix.com>
7940 * gensupport.c: Define get_insn_name and record_insn_name here.
7941 (read_md_rtx): Call record_insn_name as appropriate.
7942 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7943 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7944 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7945 record_insn_name.
7946 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7947 (BUILD_VARRAY): Delete.
7948 (genprognormal): Rename genprogmd. Fold in all programs from
7949 genprognoprint; also attrtab.
7950 (build/genattrtab): Just mention genautomata.o and varray.o.
7951 Reorganize a bit, add comments to make the categories clearer.
7953 2006-01-22 Zack Weinberg <zackw@panix.com>
7955 * genconditions.c (condition_table, add_condition): Delete.
7956 (write_conditions): Don't emit n_insn_conditions nor
7957 insn_elision_unavailable. Issue the gcc version #ifdef here,
7958 inside the table, with no #else clause ...
7959 (write_header): ...not here.
7960 (write_writer): New function.
7961 (main): Don't initialize condition_table. Use add_c_test.
7962 Call write_writer.
7963 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7964 files on the command line.
7965 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7966 Return -1 if there is no entry in the table, don't abort.
7967 (add_c_test, traverse_c_tests): New functions.
7968 * gensupport.h (insn_elision_unavailable, insn_conditions)
7969 (n_insn_conditions): Delete declarations.
7970 (add_c_test, traverse_c_tests): Declare.
7971 * read-rtl.c: Include gensupport.h.
7972 (read_conditions): New function.
7973 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7974 (read_rtx_1): If we get EOF when we were looking for an initial
7975 open paren, return 0. Call read_conditions when appropriate.
7976 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7977 dummy-conditions.o. Eliminate references to insn-conditions.o,
7978 or change them to build/gencondmd.o, as appropriate. Remove
7979 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7980 from $(simple_generated_c). For all files remaining in those
7981 two lists, add insn-conditions.md to the generator command line.
7982 Give insn-constants.h/s-constants their own rules. Add rules
7983 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7984 (build/read-rtl.o): Depend on gensupport.h.
7985 (genprognormal): Include preds.
7986 (genprogearly): Rename genprognoprint; only difference is now that
7987 they don't link with $(BUILD_PRINT).
7988 * dummy-conditions.c: Delete.
7990 2006-01-22 Zack Weinberg <zackw@panix.com>
7992 * genextract.c: Don't include insn-config.h. Do include vec.h.
7993 Declare vectors of int, char, and locstr.
7994 (locstr): New typedef.
7995 (struct extraction): Make all array fields into bare pointers.
7996 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7997 (insn_code_number): Delete.
7998 (accum_extract): New struct.
7999 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8000 (gen_insn): Take insn_code_number as an argument. Use an
8001 accum_extract structure instead of loading data directly into
8002 a struct extraction, and having to know how big it might get.
8003 (walk_rtx): Operate entirely on an accum_extract structure.
8004 (print_path): Avoid unnecessary use of printf.
8005 (print_header): New function, split out of main. Distinguish
8006 more carefully between an unrecognizable insn and an insn that
8007 has the code number of a define_expand.
8008 (main): Pass insn_code_number to gen_insn. Call print_header
8009 only after parsing. Avoid unnecessary use of printf.
8010 * Makefile.in (build/vec.o): New rule.
8011 (build/genextract): Depend on build/vec.o.
8012 (build/genextract.o): Don't depend on insn-config.h.
8014 2006-01-22 Zack Weinberg <zackw@panix.com>
8016 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8017 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8018 practical. Eliminate per-generator-program link rules.
8020 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8022 PR middle-end/24437
8023 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8024 with a call expr to ...
8025 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8027 2006-01-23 Richard Guenther <rguenther@suse.de>
8029 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8030 before make_edge with conditional EDGE_TRUE_VALUE.
8032 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8033 Jan Hubicka <jh@suse.cz>
8034 Richard Guenther <rguenther@suse.de>
8036 PR rtl-optimization/25654
8037 * cfgexpand.c (aggregate_contains_union_type): New function.
8038 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8039 for structure variables that contain a union type.
8041 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8043 * gengtype.c (new_structure): Return the structure.
8044 (create_option): Add an extra "next" argument.
8045 (create_field): New function.
8046 (adjust_field_rtx_def): Use create_option and create_field.
8047 Remove a now-unnecessary call to find_structure.
8048 (adjust_field_tree_def): Likewise.
8049 (note_yacc_type): Remove an unnecessary call to find_structure.
8050 * gengtype.h (new_structure): Return the structure.
8051 (create_option): Add an extra argument.
8052 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8053 (option): Adjust calls to create_option.
8055 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8057 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8059 2006-01-22 Paul Brook <paul@codesourcery.com>
8060 Peter Barada <peter@the-baradas.com>
8062 * config/m68k/m68k.md: Add Coldfire FPU support.
8063 Define FP mode macro and associated attributes.
8064 Use it for float mode patterns.
8065 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8066 (LIBCALL_VALUE): Use m68k_libcall_value.
8067 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8068 (m68k_function_value): Ditto.
8069 (emit_move_sequence): Ditto.
8070 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8071 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8072 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8073 (MULTILIB_EXCEPTIONS): Ditto.
8074 * config/m68k/m68k.opt: Add mcfv4e.
8075 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8076 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8077 (m68k_output_function_prologue): Save ColdFire FPU registers.
8078 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8079 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8080 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8081 ColdFire FPU registers.
8082 (m68k_libcall_value, m68k_function_value): New functions.
8083 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8084 (LIBCALL_VALUE): Use m68k_libcall_value.
8085 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8086 (MASK_COLDFIRE): Add MASK_CFV4E.
8087 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8088 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8089 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8090 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8091 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8092 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8093 * doc/invoke.tex: Document -mcfv4e on m68k.
8095 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8097 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8098 URL.
8100 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8102 PR c++/16190
8103 * c-opts.c (c_common_handle_option): Don't include
8104 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8105 * doc/invoke.texi (C++ Dialect Options): Document that
8106 -Wnon-virtual-dtor is no longer included in -Wall.
8108 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8110 * gcov.c (print_version), gcov-dump.c (print_version),
8111 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8112 dates.
8114 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8116 * df-scan.c (problem_SCAN): Added NULL reset function.
8117 (df_scan_reset_blocks): Added code to call reset block function
8118 (df_bb_refs_delete) Fixed comment.
8119 (df_insn_refs_delete): Made tolerant of deleting non existent info
8120 for dataflow problems that need to be reset.
8121 * df-core.c (df_set_blocks): Ditto.
8122 * df.h (struct df_problem): Added reset_fun.
8123 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8124 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8125 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8126 functions to clear out all references to def-use or use-def chains.
8128 2006-01-21 Ben Elliston <bje@au.ibm.com>
8130 * varasm.c (assemble_real): Initialise data array.
8132 2006-01-20 Paul Brook <paul@codesourcery.com>
8134 Merge from csl-arm-branch.
8135 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8136 * config/arm/arm.md (movdi): Force operands[1] to a register
8137 if we have a non-register source.
8138 (*arm_movdi, *movdf_soft_insn): Require that one of the
8139 operands be a register.
8140 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8141 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8143 2006-01-20 DJ Delorie <dj@redhat.com>
8145 * varasm.c (initialize_constant_valid_p): Allow pointers
8146 initialized from integer constants of lesser precision.
8147 (output_constant): Allow non-int-sized pointer modes to be
8148 initialized from integer constants.
8150 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8152 PR libstdc++/25524
8153 * cppdefault.h (struct default_include): Add multilib flag.
8154 * cppdefault.c (cpp_include_defaults): Set it.
8155 * c.opt (-imultilib): New option.
8156 * c-opts.c (imultilib): New.
8157 (c_common_handle_option): Handle -imultilib.
8158 (c_common_post_options): Likewise.
8159 * c-incpath.c (add_standard_paths, register_include_chains):
8160 Likewise.
8161 * c-incpath.h (register_include_chains): Add extra parameter.
8162 * gcc.c (do_spec_1): Generate -imultilib option.
8163 (The Specs Language): Update %I description.
8164 (process_command): Update copyright notice.
8165 * doc/cppopts.texi (-imultilib): Document.
8166 * doc/invoke.texi (-imultilib): Include in option summary.
8167 (%I): Update specs documentation.
8169 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8171 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8173 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8175 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8176 label numbers.
8178 2006-01-20 Richard Guenther <rguenther@suse.de>
8179 Steven Bosscher <stevenb.gcc@gmail.com>
8181 PR rtl-optimization/24626
8182 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8183 EDGE_TRUE_VALUE if in RTL mode.
8185 Revert
8186 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8187 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8189 2006-01-20 Dirk Mueller <dmueller@suse.com>
8191 PR c++/5520
8192 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8193 instead of a special NOP marker.
8194 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8195 NOP marker handling.
8196 * c-common.h (empty_body_warning): Add forward declaration.
8197 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8198 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8200 2006-01-20 Paul Brook <paul@codesourcery.com>
8202 * Makefile.in (lang_checks): Keep going if mkdir fails.
8204 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8206 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8207 be able to clean out basic block when not necessary.
8208 (df_scan_free): Fixed to properly delete information if df is
8209 unused before calling df_finish.
8210 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8211 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8212 or comment typos.
8213 (df_bb_refs_delete): New function.
8214 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8215 * df-core.c (df_set_blocks): Added code to properly clean out
8216 unused blocks if they are not part of the blocks to consider.
8217 Added additional null check.
8218 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8219 be able to clean out basic block when not necessary
8220 * df.h (df_free_bb_function): Ditto.
8221 (df_bb_refs_delete): New function.
8222 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8223 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8224 basic block parameter to be able to clean out basic block when not
8225 necessary.
8226 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8227 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8228 Fixed to properly delete information if df is unused before
8229 calling df_finish.
8231 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8233 PR rtl-optimization/25799
8234 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8235 Corrected confluence operator to remove bits from op2 before oring
8236 with op1 rather than removing bits from op1.
8237 (df_ru_transfer_function): Corrected test on wrong bitmap which
8238 caused infinite loop. Both of these problems were introduced in
8239 the dataflow rewrite.
8241 2006-01-19 DJ Delorie <dj@redhat.com>
8243 * reload1.c (find_reload_regs): Note the details of reload
8244 failures in the dump file.
8245 (spill_failure): Likewise.
8247 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8249 * loop-iv.c: Include df.h and hashtab.h.
8250 (enum iv_grd_result): New enum.
8251 (DF_REF_IV, DF_REF_IV_SET): New macros.
8252 (struct biv_entry): New.
8253 (df, bivs): New global variables.
8254 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8255 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8256 Removed.
8257 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8258 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8259 analyzed_for_bivness_p, record_biv): New functions.
8260 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8261 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8262 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8263 UD chains.
8264 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8265 analysed.
8266 (iv_number_of_iterations): Use new interface to iv analysis.
8267 * loop-unroll.c: Do not include varray.h.
8268 (analyze_iv_to_split_insn): Use new interface to iv
8269 analysis.
8270 * loop-unswitch.c (may_unswitch_on): Ditto.
8271 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8272 allocated.
8273 (df_bb_modify): Realloc tables to the new index.
8274 (df_find_use): New function.
8275 * df.h (df_find_use): Declare.
8276 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8277 outmode.
8278 * cfgloop.h (struct rtx_iv): Remove analysed field.
8279 (iv_get_reaching_def): Removed.
8280 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8281 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8282 (loop-iv.o): Add df.h and hashtab.h dependency.
8283 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8285 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8287 PR target/25668
8288 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8289 Double TFmode.
8290 (__floatundisf, __floatundidf): Likewise.
8291 * libgcc2.h (IS_IBM_EXTENDED): Define.
8293 2006-01-19 DJ Delorie <dj@redhat.com>
8295 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8297 2006-01-19 Paul Brook <paul@codesourcery.com>
8299 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8300 as nothrow when unwinding tables are disabled.
8302 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8304 PR testsuite/25171
8305 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8306 of bit-field" when in system header.
8308 2006-01-19 DJ Delorie <dj@redhat.com>
8310 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8311 the 16 bit shift limit of the m16c.
8313 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8315 PR target/22099
8316 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8317 * config/i386/i386.c (output_set_got): Output the label if we have one
8318 for the TARGET_DEEP_BRANCH_PREDICTION case.
8320 2006-01-19 Jan Hubicka <jh@suse.cz>
8321 H.J. Lu <hongjiu.lu@intel.com>
8322 Evandro Menezes <evandro.menezes@amd.com>
8324 * invoke.texi (generic): Document
8325 (i686) Update.
8326 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8327 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8328 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8329 (x86_use_incdec, x86_pad_returns): New variables
8330 (TARGET_CPU_DEFAULT_generic): New constant
8331 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8332 (enum processor_type): Add generic32 and generic64.
8333 * i386.md (cpu attribute): Add generic32/generic64
8334 (movhi splitter): Behave sanely when both partial_reg_dependency and
8335 partial_reg_stall are set.
8336 (K8 splitters): Enable for generic as well.
8337 * predicates.md (incdec_operand): Use TARGET_INCDEC
8338 (aligned_operand): Avoid memory mismatch stalls.
8339 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8340 * ppro.md: Enable for generic32
8341 * i386.c (generic64_cost, generic32_cost): New.
8342 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8343 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8344 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8345 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8346 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8347 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8348 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8349 x86_accumulate_outgoing_args, x86_prologue_using_move,
8350 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8351 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8352 Enable for generic.
8353 (x86_use_incdec, x86_pad_returns): New.
8354 (override_options): Add generic32 and generic64, translate "generic"
8355 to generic32/generic64 and "i686" to "generic32", refuse
8356 "generic32"/"generic64" as arch target.
8357 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8358 (ix86_reorg): Honor PAD_RETURNS.
8360 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8362 * tree-pretty-print.c (dump_generic_node): Handle
8363 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8364 * cgraph.c (cgraph_expand_queue): Rename from
8365 cgraph_analyze_queue. Update all users.
8366 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8367 cgraph_expand_queue.
8368 (cgraph_expand_all_functions): Likewise.
8369 (cgraph_finalize_pending_functions): Remove. Update callers.
8371 * tree.h (OMP_DIRECTIVE_P): Define.
8372 (OMP_PARALLEL_FN): Define.
8373 (OMP_PARALLEL_DATA_ARG): Define.
8374 (OMP_SECTIONS_SECTIONS): Define.
8375 * tree-pass.h (pass_expand_omp): Declare.
8376 * omp-low.c (struct omp_region): Declare.
8377 (struct omp_context): Remove fields 'parallel_type',
8378 'parallel_start_ix' and 'parallel_start_additional_args'.
8379 Update all users.
8380 (struct omp_for_data): Rename from struct expand_omp_for_data.
8381 (omp_regions): New static variable.
8382 (root_omp_region): New static variable.
8383 (find_omp_clause): Make static.
8384 (is_in_combined_parallel_ctx): Remove.
8385 (is_combined_parallel): New.
8386 (extract_omp_for_data): Move earlier in the file.
8387 (workshare_safe_to_combine_p): New.
8388 (get_ws_args_for): New.
8389 (determine_parallel_type): Move earlier in the file.
8390 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8391 child function.
8392 (omp_copy_decl): Likewise.
8393 (create_omp_child_function): Likewise.
8394 (lookup_omp_region): New.
8395 (dump_omp_region): New.
8396 (debug_omp_region): New.
8397 (debug_all_omp_regions): New.
8398 (new_omp_region): New.
8399 (scan_omp_parallel): If parallel_nesting_level > 1, the
8400 directive is nested within another parallel directive.
8401 Set OMP_PARALLEL_FN.
8402 (scan_omp_for): Do not try to handle combined parallel+for
8403 cases.
8404 Remove FIXME comment.
8405 (scan_omp_nested): Remove.
8406 (scan_omp_1): Do not call scan_omp_nested when
8407 parallel_nesting_level is > 1.
8408 Do not change the DECL_CONTEXT of local variables found.
8409 (lookup_decl_in_outer_ctx): New.
8410 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8411 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8412 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8413 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8414 If CTX is nested, lookup VAR in the outer context when
8415 building copy assignment.
8416 (lower_send_clauses): Rename from expand_send_clauses.
8417 If CTX is nested, lookup VAR in the outer context when
8418 building copy assignments.
8419 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8420 If CTX is nested, lookup VAR in the outer context when
8421 building copy assignments.
8422 (expand_parallel_call): Rename from build_parallel_call.
8423 Handle combined parallel+workshare cases.
8424 Re-implement to emit code into the CFG.
8425 (list2chain): New.
8426 (expand_omp_parallel): Re-implement to emit code into the CFG.
8427 Call move_sese_region_to_fn to outline the sub-graph
8428 containing the parallel region.
8429 (expand_omp_for_1): Remove.
8430 (expand_omp_for_generic): Re-implement to emit code into the
8431 CFG.
8432 (expand_omp_for_static_nochunk): Likewise.
8433 (expand_omp_for_static_chunk): Likewise.
8434 (expand_omp_for): Likewise.
8435 (expand_omp_sections): Likewise.
8436 (remove_exit_barriers): New.
8437 (expand_omp_synch): New.
8438 (expand_omp): New.
8439 (build_omp_regions_1): New.
8440 (build_omp_regions): New.
8441 (execute_expand_omp): New.
8442 (gate_expand_omp): New.
8443 (pass_expand_omp): Define.
8444 (lower_omp_sections): Rename from expand_omp_sections.
8445 Set OMP_SECTIONS_SECTIONS.
8446 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8447 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8448 (lower_omp_single): Rename from expand_omp_simple.
8449 (lower_omp_master): Rename from expand_omp_master.
8450 (lower_omp_ordered): Rename from expand_omp_ordered.
8451 (lower_omp_critical): Rename from expand_omp_critical.
8452 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8453 (lower_omp_for): Re-implement.
8454 (lower_omp_parallel): Re-implement.
8455 (lower_regimplify): Rename from expand_regimplify.
8456 (lower_omp_1): Rename from expand_omp_1.
8457 If there are syntax errors in the program, replace every
8458 OpenMP directive with NOP.
8459 Call lower_omp_* instead of expand_omp_*.
8460 (lower_omp): Rename from expand_omp.
8462 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8463 * tree-gimple.h (enum omp_parallel_type): Remove.
8464 (gimple_boolify): Declare extern.
8465 (find_omp_clause, determine_parallel_type): Remove.
8467 * gimple-low.c (lower_omp_directive): New.
8468 (lower_stmt): Call it.
8469 (record_vars_into): Move from ...
8470 (record_vars): ... here.
8471 Call record_vars_into with current_function_decl.
8473 * gimplify.c (struct gimplify_ctx): Remove fields
8474 combined_pre_p and combined_ctxp. Update users.
8475 (get_formal_tmp_var): Add documentation.
8476 (gimple_boolify): Make extern.
8477 (gimplify_expr_in_ctx): Remove. Update callers.
8478 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8479 will always be a BIND_EXPR.
8480 (gimplify_expr): Handle OMP_RETURN_EXPR.
8481 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8482 (OMP_PARALLEL): Add 3 operands.
8483 (OMP_SECTIONS): Add 1 operand.
8484 (OMP_RETURN_EXPR): Define.
8486 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8487 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8488 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8489 creating a circular free list.
8490 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8492 * tree-flow.h (move_sese_region_to_fn): Declare.
8493 (record_vars_into): Declare.
8494 * tree-cfg.c (make_omp_sections_edges): New.
8495 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8496 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8497 OMP_SECTIONS and OMP_SECTION.
8498 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8499 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8500 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8501 (gather_blocks_in_sese_region): New.
8502 (struct move_stmt_d): Declare.
8503 (move_stmt_r): New.
8504 (move_block_to_fn): New.
8505 (move_sese_region_to_fn): New.
8507 * passes.c (init_optimization_passes): Schedule
8508 pass_expand_omp after pass_init_datastructures.
8510 * tree-ssa-operands.c (get_expr_operands): Handle
8511 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8512 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8514 2006-01-19 Jeff Law <law@redhat.com>
8516 * tree-vrp.c (extract_range_from_assert): Refine the result range
8517 if the variable referenced by the ASSERT_EXPR has a range and
8518 either the tentative result range or the previous range is a
8519 VR_ANTI_RANGE.
8521 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8523 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8525 2006-01-19 Jan Hubicka <jh@suse.cz>
8527 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8529 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8531 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8532 (expand_compound_operation, expand_field_assignment): Fail if the
8533 bit lengths of an extract operation are out of range.
8534 (make_extraction): Compute wanted_inner_mode based on the position
8535 and length of the extraction. Make it extraction_mode for non-constant
8536 positions, and do not modify offset in that case. When generating a
8537 new MEM, use a mode that can hold the extraction while keeping correct
8538 alignment. Remove code that supported MEMs wrapped by USEs.
8539 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8541 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8543 * config/s390/s390.md ("Y", "y"): New mode attribute.
8544 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8545 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8546 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8547 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8548 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8549 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8550 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8551 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8552 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8553 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8554 "addsi3", "subsi3"): Insn patterns removed.
8555 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8556 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8557 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8558 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8559 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8560 "*sub<mode>3_cconly2"): New insn patterns.
8561 ("addsi3", "subsi3"): New expanders.
8563 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8565 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8566 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8567 existing STMT_VINFO_VECTYPE if available.
8568 (vect_mark_relevant): Add special handling for stmts that are
8569 marked as STMT_VINFO_IN_PATTERN_P.
8570 (vect_analyze_loop): Call vect_pattern_recog.
8571 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8572 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8573 stmt_info.
8574 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8575 (vect_recog_func_ptr): New function-pointer type.
8576 * tree-vect-patterns.c: New file.
8577 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8578 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8579 (vect_pattern_recog_1): New functions.
8580 (vect_pattern_recog_funcs): New array of function pointers.
8582 * tree-vectorizer.h (ternary_op): New enum value.
8583 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8584 declaration. Revised documentation. Removed redundant dump prints.
8585 Removed redundant argument. Added support for reduction patterns.
8586 (vectorizable_reduction): Added support for reduction patterns.
8587 (vect_transform_stmt): Added support for patterns.
8589 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8590 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8591 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8592 (expand_widen_pattern_expr): New function.
8593 (init_optabs): Initialize new optabs udot_prod_optab,
8594 sdot_prod_optab.
8595 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8596 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8597 (expand_widen_pattern_expr): New function declaration.
8598 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8599 tree-codes.
8600 * tree-inline.c (estimate_num_insns_1): Added cases for new
8601 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8602 * tree-pretty-print.c (dump_generic_node): Likewise.
8603 (op_prio): Likewise.
8604 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8605 * tree-ssa-operands.c (get_expr_operands): Added case for
8606 DOT_PROD_EXPR.
8607 * tree-vect-patterns.c (widened_name_p): New function.
8608 (vect_recog_dot_prod_pattern): Added function implementation.
8609 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8610 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8611 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8612 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8614 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8615 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8616 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8617 (init_optabs): Initialize new optabs widen_ssum_optab,
8618 widen_usum_optab.
8619 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8620 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8621 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8622 use instead of type of def.
8623 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8624 function implementation.
8625 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8626 widen_ssumv8hi): New.
8628 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8629 patterns.
8631 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8633 PR c/25805
8634 * c-decl.c (add_flexible_array_elts_to_size): New function.
8635 (finish_decl): Use it.
8637 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8639 * diagnostic.h: Include options.h.
8640 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8641 dependancies for diagnostic.h.
8642 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8644 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8646 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8647 (ssa_ro_call_cache_valid): Ditto.
8648 * tree-ssa-alias.c (sort_tags_by_id): New function.
8649 (init_transitive_clobber_worklist): Ditto.
8650 (add_to_worklist): Ditto.
8651 (mark_aliases_call_clobbered): Ditto.
8652 (compute_tag_properties): Ditto.
8653 (set_initial_properties): Ditto.
8654 (compute_call_clobbered): Ditto.
8655 (compute_may_aliases): Call compute_call_clobbered and grouping.
8656 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8657 (compute_flow_insensitive_aliasing): Grouping now happens in our
8658 caller.
8659 (setup_pointers_and_addressables): Remove clobbering related code.
8660 (add_may_alias): Ditto.
8661 (replace_may_alias): Ditto.
8662 (get_nmt_for): Ditto.
8663 (create_global_var):
8664 (is_escape_site): Return an escape_type enumeration.
8665 * tree-flow-inline.h (is_call_clobbered): Global var does not
8666 imply call clobbered.
8667 (mark_call_clobbered): Take a reason for marking this. Remove
8668 marking of globalness, and cache invalidation.
8669 (clear_call_clobbered): Remove cache invalidation code.
8670 * tree-dfa.c (dump_variable): If details is on, dump the reason
8671 for escaping.
8672 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8673 variable.
8674 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8675 (struct var_ann_d): Ditto.
8676 (enum escape_type): New.
8677 (mark_call_clobbered): Adjust prototype.
8678 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8679 are never call clobbered.
8680 Record reasons for escaping.
8681 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8682 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8683 (ssa_ro_call_cache_valid): Ditto.
8684 (clobbered_v_may_defs): Ditto.
8685 (clobbered_vuses): Ditto.
8686 (ro_call_vuses): Ditto.
8687 (clobber_stats): New.
8688 (init_ssa_operands): Zero out clobber stats.
8689 (fini_ssa_operands): Print out clobber stats.
8690 (get_call_expr_operands): Pass callee fndecl to
8691 add_call_read_ops).
8692 (add_call_clobber_ops): Remove use of cache.
8693 Add use of PURE_CONST information.
8694 (add_call_read_ops): Remove use of cache.
8695 Add use of static not_read information.
8697 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8699 Introduce TLS descriptors for i386 and x86_64.
8700 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8701 (TARGET_ANY_GNU_TLS): New macro.
8702 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8703 (struct machine_function): Add tls_descriptor_call_expanded_p.
8704 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8705 (ix86_current_function_calls_tls_descriptor): Likewise.
8706 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8707 (override_options): Introduce gnu2 tls dialect.
8708 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8709 not leaves.
8710 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8711 Likewise.
8712 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8713 (ix86_init_machine_status): Initialize new field.
8714 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8715 (ix86_tls_module_base): New.
8716 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8717 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8718 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8719 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8720 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8721 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8722 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8723 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8724 * config/i386/predicates.md (tls_modbase_operand): New.
8725 (tp_or_register_operand): New.
8727 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8729 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8730 (look_for_address_of): Ditto.
8731 (ipa_init): Walk the function decls.
8732 (static_execute): Don't set readonly on FUNCTION_DECL's.
8734 2006-01-18 Roger Sayle <roger@eyesopen.com>
8736 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8737 for shifts where the source and destination registers are different.
8739 2006-01-18 Paul Brook <paul@codesourcery.com>
8741 Merge from csl-arm-branch.
8742 2005-03-14 Julian Brown <julian@codesourcery.com>
8743 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8744 (aeabi_llsl): Likewise.
8745 (ashrdi3): Likewise.
8746 (aeabi_lasr): Likewise.
8747 (lshrdi3): Likewise.
8748 (aeabi_llsr): Likewise.
8749 2005-03-10 Julian Brown <julian@codesourcery.com>
8750 * config.gcc: Disable shared libgcc for SymbianOS.
8751 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8753 2006-01-18 DJ Delorie <dj@redhat.com>
8755 * c-pragma.c (handle_pragma_diagnostic): New.
8756 (init_pragma): Register it.
8757 * doc/extend.texi: Document it.
8759 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8760 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8761 (diagnostic_context): Add classify_diagnostic[].
8762 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8763 as errors if they're overridden to DK_WARNING.
8764 (diagnostic_initialize): Initialize classify_diagnostic[].
8765 (diagnostic_set_kind_override): New.
8766 (diagnostic_report_diagnostic): Check for kind changes.
8767 * opts.c (common_handle_option): Take lang_mask. Update callers.
8768 Handle OPT_Werror_.
8769 * common.opt (Werror=): New.
8770 * doc/invoke.texi: Document -Werror=*
8772 2006-01-18 Jeff Law <law@redhat.com>
8774 * tree-vrp.c (test_for_singularity): Correct test for new
8775 min limit. Use operand_equal_p rather than pointer equality
8776 for testing if new min/max values are equal.
8778 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8779 using range information until after propagation and folding.
8781 2006-01-18 Richard Henderson <rth@redhat.com>
8782 Aldy Hernandez <aldyh@redhat.com>
8783 Jakub Jelinek <jakub@redhat.com>
8784 Diego Novillo <dnovillo@redhat.com>
8786 * omp-low.c: New file.
8787 * c-omp.c: New file.
8789 2006-01-18 Richard Henderson <rth@redhat.com>
8790 Jakub Jelinek <jakub@redhat.com>
8791 Diego Novillo <dnovillo@redhat.com>
8793 * doc/invoke.texi: Document -fopenmp.
8794 * tree-dump.h (debug_function): Declare.
8795 * hooks.c (hook_bool_tree_bool_false): New function.
8796 (hook_tree_tree_null): Remove.
8797 (hook_tree_tree_tree_null): New.
8798 * hooks.h: Update to match.
8799 * tree-pretty-print.c (debug_tree_chain): New.
8800 (print_generic_expr): Handle TDF_CHAIN.
8801 (dump_generic_node): Handle BLOCK.
8802 Do not abort with incomplete SWITCH_EXPRs.
8803 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8804 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8805 print space after directive name.
8806 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8807 Handle OMP_MASTER and OMP_ORDERED.
8808 Handle printing of OMP_BODY just in one place, goto
8809 dump_omp_body in the rest of OMP_* nodes that have
8810 OMP_BODY.
8811 Don't handle clause nodes here. Update omp statements to
8812 use dump_omp_clauses.
8813 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8814 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8815 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8816 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8817 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8818 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8819 Adjust output for GOMP_PARALLEL.
8820 (dump_omp_clauses): New.
8821 (print_declaration): Dump DECL_VALUE_EXPR.
8822 (op_symbol_1): Split out of op_symbol.
8823 (dumping_stmts): Remove. Update all users.
8824 * cgraph.c (cgraph_analyze_queue): New.
8825 (cgraph_add_new_function): New.
8826 * cgraph.h (cgraph_analyze_queue): Declare.
8827 (cgraph_add_new_function): Declare.
8828 (cgraph_lower_function): Remove.
8829 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8830 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8831 and TYPE_P nodes in its default clause.
8832 (empty_body_p): New.
8833 (tree_range_check_failed): New.
8834 (build5_stat): New.
8835 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8836 OMP_CLAUSE_REDUCTION_MERGE,
8837 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8838 OMP_CLAUSE_PRIVATE_DEBUG,
8839 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8840 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8841 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8842 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8843 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8844 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8845 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8846 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8847 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8848 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8849 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8850 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8851 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8852 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8853 (TREE_RANGE_CHECK): New.
8854 (empty_body_p): Declare.
8855 (enum omp_clause_default_kind): New.
8856 (build_string_literal): Declare.
8857 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8858 (build5_stat, build5): Declare.
8859 * tree-pass.h (TDF_CHAIN): Define.
8860 * tree-pass.h (PROP_gimple_lomp): Define.
8861 (pass_lower_omp): Declare.
8862 * diagnostic.h (debug_tree_chain): Declare.
8863 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8864 mode_for_size.
8865 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8866 * builtins.c (build_string_literal): Make extern.
8867 * gcc.c (include_spec_function): New.
8868 (static_spec_functions): Add it.
8869 (main): Move load of libgomp.spec ...
8870 (LINK_COMMAND_SPEC): ... here.
8871 (link_gomp_spec): New.
8872 (static_specs): Include it.
8873 (LINK_COMMAND_SPEC): Add link_gomp.
8874 (GOMP_SELF_SPECS): New.
8875 (driver_self_specs): Include it.
8876 (switch_matches): Don't mark inline.
8877 (main): Load libgomp.spec.
8878 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8879 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8880 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8881 * tree-gimple.h (enum omp_parallel): Declare.
8882 (determine_parallel_type): Declare.
8883 (omp_firstprivatize_variable): Declare.
8884 (omp_reduction_init): Declare.
8885 (diagnose_omp_structured_block_errors): Declare.
8886 (struct walk_stmt_info): Add want_return_expr.
8887 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8888 (find_omp_clause): Declare.
8889 (insert_field_into_struct): Declare.
8890 (struct walk_stmt_info): Move from tree-nested.c
8891 (walk_stmts): Declare.
8892 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8893 to 200505.
8894 * cgraphunit.c (cgraph_lower_function): Make static.
8895 (cgraph_finalize_pending_functions): New.
8896 (cgraph_finalize_function): Call it.
8897 (cgraph_finalize_compilation_unit): Likewise.
8898 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8899 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8900 (BT_FN_UINT_UINT): New.
8901 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8902 DEF_FUNCTION_TYPE_VAR_4): Document.
8903 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8904 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8905 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8906 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8907 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8908 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8909 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8910 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8911 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8912 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8913 into separate files.
8914 (DEF_GOMP_BUILTIN): New.
8915 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8916 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8917 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8918 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8919 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8920 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8921 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8922 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8923 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8924 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8925 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8926 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8927 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8928 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8929 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8930 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8931 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8932 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8933 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8934 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8935 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8936 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8937 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8938 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8939 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8940 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8941 * sync-builtins.def: New file, moved from builtins.def.
8942 * omp-builtins.def: New file, moved from builtins.def.
8943 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8944 * gimple-low.c (lower_function_body): Clear data.
8945 (lower_stmt): Do not handle COMPOUND_EXPR.
8946 Remove call to print_node_brief.
8947 * c-tree.h (c_finish_omp_clauses): New prototype.
8948 (C_DECL_THREADPRIVATE_P): Define.
8949 (lookup_name_no_remap, c_omp_remap_private): Remove
8950 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8951 (check_for_loop_decls): Update decl.
8952 (lookup_name_no_remap, c_omp_remap_private): Declare.
8953 (build_indirect_ref, build_modify_expr, pushdecl,
8954 pushdecl_top_level): Move to c-common.h.
8955 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8956 before the switch, but just in the 2 places that need it.
8957 * c-decl.c (diagnose_mismatched_decls): Do not check for
8958 mismatched thread-local attributes when OLDDECL is marked
8959 threadprivate and NEWDECL has no thread-local attributes.
8960 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8961 (c_gimple_diagnostics_recursively): Rename from
8962 c_warn_unused_result_recursively. Invoke
8963 diagnose_omp_structured_block_errors.
8964 (check_for_loop_decls): Return a singular decl found.
8965 * langhooks.c (lhd_omp_predetermined_sharing): Return
8966 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8967 (lhd_omp_firstprivatize_type_sizes): New.
8968 (lhd_omp_assignment): New.
8969 (lhd_omp_predetermined_sharing): New.
8970 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8971 (struct lang_hooks_for_types): Add
8972 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8973 omp_predetermined_sharing, omp_disregard_value_expr,
8974 omp_private_debug_clause, omp_clause_default_ctor,
8975 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8976 (c_finish_omp_clauses): New.
8977 (c_finish_bc_stmt): Diagnose break within omp for.
8978 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8979 (build_unary_op): Return error_mark after reporting
8980 a readonly_error.
8981 (build_modify_expr): Likewise.
8982 * gimplify.c: Include optabs.h and pointer-set.h.
8983 (enum gimplify_omp_var_data): Declare.
8984 (struct gimplify_omp_ctx): Declare.
8985 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8986 and combined_ctxp.
8987 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8988 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8989 (splay_tree_compare_decl_uid): New.
8990 (new_omp_context): New.
8991 (delete_omp_context): New.
8992 (gimple_add_tmp_var): Call omp_add_variable.
8993 (gimplify_bind_expr): Likewise.
8994 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8995 true, disregard DECL_VALUE_EXPR on the decl if any.
8996 (gimplify_expr_in_ctx): New.
8997 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8998 omp_add_variable, omp_notice_variable, omp_is_private
8999 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9000 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9001 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9002 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9003 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9004 gimplify_omp_atomic): New.
9005 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9006 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9007 OMP_CRITICAL and OMP_ATOMIC.
9008 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9009 * c-pragma.h (enum pragma_kind): Add
9010 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9011 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9012 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9013 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9014 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9015 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9016 PRAGMA_OMP_THREADPRIVATE.
9017 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9018 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9019 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9020 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9021 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9022 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9023 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9024 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9025 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9026 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9027 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9028 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9029 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9030 OpenMP directives.
9031 (struct nesting_info): Add field_map,
9032 suppress_expansion, debug_var_chain.
9033 (create_nesting_tree): Initialize them.
9034 (lookup_field_for_decl): Use field_map.
9035 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9036 (convert_local_omp_clauses): New.
9037 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9038 (walk_body): Split out of walk_function.
9039 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9040 (convert_nonlocal_reference): Handle omp statements.
9041 (convert_local_reference): Likewise.
9042 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9043 (unnest_nesting_tree): New.
9044 (lower_nested_functions): Call it.
9045 (insert_field_into_struct): Make extern.
9046 (struct walk_stmt_info): Move to tree-gimple.h.
9047 (walk_stmts): Make extern.
9048 * omp-builtins.def: New file.
9049 * tree-iterator.c (expr_only): Clarify comment.
9050 * c-common.h (pushdecl_top_level, pushdecl,
9051 build_modify_expr, build_indirect_ref,
9052 c_finish_omp_master, c_finish_omp_critical,
9053 c_finish_omp_ordered, c_finish_omp_barrier,
9054 c_finish_omp_atomic, c_finish_omp_flush,
9055 c_finish_omp_for, c_split_parallel_clauses,
9056 omp_clause_default_kind, c_omp_sharing_predetermined,
9057 c_omp_remap_decl): Declare.
9058 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9059 (OBJS-common): Add omp-low.o.
9060 (c-omp.o, omp-low.o): Add.
9061 (gimplify.o): Add dependency on $(OPTABS_H).
9062 (GTFILES): Add omp-low.c.
9063 (gt-stringpool.h): Add.
9064 * tree-cfg.c (set_bb_for_stmt): Do not update the
9065 block-to-labels map if we are currently expanding to RTL.
9066 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9067 checks.
9068 Handle IDENTIFIER_NODE.
9069 (tree_verify_flow_info): Do not ICE when emitting error
9070 messages about invalid labels.
9071 (dump_function_to_file): Reset CFUN before emitting the body
9072 of the function.
9073 (debug_function): New.
9074 * passes.c (init_optimization_passes): Schedule
9075 pass_lower_omp.
9076 * langhooks-def.h (lhd_omp_predetermined_sharing,
9077 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9078 Declare.
9079 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9080 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9081 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9082 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9083 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9084 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9085 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9086 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9087 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9088 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9089 (LANG_HOOK_DECLS): Use them.
9091 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9092 Richard Henderson <rth@redhat.com>
9093 Jakub Jelinek <jakub@redhat.com>
9094 Diego Novillo <dnovillo@redhat.com>
9096 * c-parser.c (pragma_omp_clause): Define.
9097 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9098 (c_parser_compound_statement): Likewise.
9099 (c_parser_statement): Likewise.
9100 (c_parser_pragma): Handle omp pragmas.
9101 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9102 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9103 (c_parser_omp_clause_name, check_no_duplicate_clause,
9104 c_parser_omp_variable_list,
9105 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9106 c_parser_omp_clause_copyprivate,
9107 c_parser_omp_clause_default,
9108 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9109 c_parser_omp_clause_lastprivate,
9110 c_parser_omp_clause_nowait,
9111 c_parser_omp_clause_num_threads,
9112 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9113 c_parser_omp_clause_reduction,
9114 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9115 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9116 c_parser_omp_atomic, c_parser_omp_barrier,
9117 c_parser_omp_critical, c_parser_omp_flush,
9118 c_parser_omp_for_loop, c_parser_omp_for,
9119 c_parser_omp_master, c_parser_omp_ordered,
9120 c_parser_omp_sections_scope, c_parser_omp_sections,
9121 c_parser_omp_parallel, c_parser_omp_single,
9122 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9123 * c-pragma.c (init_pragma): Do omp pragma registration here.
9124 * c.opt (fopenmp): New flag.
9126 2006-01-18 Eric Christopher <echristo@apple.com>
9128 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9129 * config/darwin.h (GOMP_SELF_SPECS): Define.
9131 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9133 * rtl.h: Remove the prototype for reg_alloc.
9135 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9137 PR target/25731
9138 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9139 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9140 sjlj and dwarf2 exception handling.
9141 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9142 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9143 * pa/pa.c (function_value): Treat complex and vector types as
9144 aggregates.
9145 (function_arg): Likewise. Only pass scalar floats in the floating
9146 point argument registers.
9147 * pa/t-slibgcc-dwarf-ver: New file.
9148 * pa/t-slibgcc-sjlj-ver: New file.
9149 * pa/t-slibgcc-elf-ver: Delete file.
9151 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9153 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9154 unlikely_test_section_p test.
9156 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9158 * mode-switching.c (optimize_mode_switching): Make it static.
9159 * basic-block.h: Remove the prototype for
9160 optimize_mode_switching.
9162 * modulo-sched.c (sms_schedule): Make it static.
9163 * rtl.h: Remove the prototype for sms_schedule.
9165 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9166 * rtl.h: Remove the prototype for gcse_after_reload_main.
9168 * reg-stack.c (reg_to_stack): Make it static.
9169 * rtl.h: Remove the prototype for reg_to_stack.
9171 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9172 Make them static.
9173 * rtl.h: Remove the prototypes for regrename_optimize and
9174 copyprop_hardreg_forward.
9176 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9178 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9179 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9180 Test against the appropriate null constant for the mode.
9181 If 'fixup_overlap' is true, swap the operands if they overlap.
9182 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9183 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9184 alpha_split_tmode_pair and adjust for above change.
9185 * config/alpha/alpha.md (movtf_internal): Adjust call to
9186 alpha_split_tfmode_pair and rely on it to swap the operands.
9187 (movti_internal): New insn and post-reload splitter.
9188 (movti): New expander.
9190 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9192 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9193 operands.
9195 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9197 * rtlanal.c (global_reg_mentioned_p_1,
9198 global_reg_mentioned_p): Remove.
9199 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9201 * flow.c (initialize_uninitialized_subregs): Make it static.
9202 * rtl.h: Remove the prototype for
9203 initialize_uninitialized_subregs.
9205 * function.c (instantiate_virtual_regs): Make it static.
9206 * function.h: Remove the prototype for
9207 instantiate_virtual_regs.
9209 * regmove.c (regmove_optimize, combine_stack_adjustments):
9210 Make them static.
9211 * rtl.h: Remove the prototypes for regmove_optimize and
9212 combine_stack_adjustments.
9214 2006-01-17 Roger Sayle <roger@eyesopen.com>
9216 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9217 (size_cost): Encode costs in bytes so that a reg-reg addition is
9218 equivalent to COSTS_N_INSNS(1).
9219 (override_options): Use the size_cost.branch_cost as the default
9220 ix86_branch_cost when optimizing for size.
9222 2006-01-18 Ben Elliston <bje@au.ibm.com>
9224 * Makefile.in (D32PBIT_FUNCS): New.
9225 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9226 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9227 D64PBIT_FUNCS and D128PBIT_FUNCS.
9228 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9229 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9230 D128PBIT are set.
9231 (decnumber_dep): Define.
9232 * doc/libgcc.texi (Decimal float library routines): New node.
9233 * config/dfp-bit.h, config/dfp-bit.c: New files.
9235 2006-01-18 Ben Elliston <bje@au.ibm.com>
9237 * expr.c (emit_move_change_mode): Always adjust addresses, not
9238 just during reload. Copy replacements only during reload.
9239 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9240 emit_move_via_integer.
9242 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9244 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9245 instead of $(srcdir) and ${srcdir}.
9247 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9249 PR target/592
9250 PR middle-end/11135
9251 * arm.h (struct machine_function): Add pic_reg.
9252 * arm.c (arm_pic_register): Make unsigned.
9253 (arm_override_options): Only set arm_pic_register if
9254 TARGET_SINGLE_PIC_BASE.
9255 (use_return_insn): Only test for a pic register if it is fixed.
9256 (arm_compute_save_reg0_reg12_mask): Likewise.
9257 (thumb_compute_save_reg_mask): Likewise.
9258 (legitimate_pic_operand): Factor out some known invariants.
9259 (legitimize_pic_address): If we don't have a fixed pic register,
9260 then set up a pseudo in the function entry sequence. Handle the
9261 pic base being in a pseudo.
9262 (arm_load_pic_register): Handle the pic register being in a pseudo.
9263 (arm_expand_prologue): Only set up the pic register if it is fixed.
9264 (thumb_expand_prologue): Likewise.
9265 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9266 (pic_load_addr_based_insn): Likewise.
9267 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9268 fixed.
9270 2006-01-18 Ben Elliston <bje@au.ibm.com>
9272 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9273 decimal float modes for all floating point registers.
9275 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9276 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9278 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9280 PR c/25682
9281 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9282 even when the pointer is not NULL.
9284 2006-01-16 Ian Lance Taylor <ian@airs.com>
9286 * common.opt (ftoplevel-reorder): New option.
9287 * cgraph.c (cgraph_asm_nodes): New global variable.
9288 (cgraph_asm_last_node): New static variable.
9289 (cgraph_order): New global variable.
9290 (cgraph_create_node): Set new order field.
9291 (cgraph_varpool_node): Likewise.
9292 (decide_is_variable_needed): Return true if not
9293 flag_toplevel_reorder.
9294 (cgraph_add_asm_node): New function.
9295 * cgraph.h (struct cgraph_node): Add order field.
9296 (struct cgraph_varpool_node): Add order field.
9297 (struct cgraph_asm_node): Define.
9298 (cgraph_asm_nodes, cgraph_order): Declare.
9299 (cgraph_add_asm_node): Declare.
9300 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9301 function.
9302 (cgraph_varpool_assemble_pending_decls): Call it.
9303 (cgraph_output_pending_asms): New static function.
9304 (cgraph_finalize_compilation_unit): Call it.
9305 (struct cgraph_order_sort): Define.
9306 (cgraph_output_in_order): New static function.
9307 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9308 !flag_toplevel_reorder case.
9309 * c-parser.c: Include "cgraph.h".
9310 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9311 assemble_asm.
9312 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9313 than -fno-unit-at-a-time.
9314 * doc/invoke.texi (Option Summary): Mention
9315 -fno-toplevel-reorder.
9316 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9317 -funit-at-a-time documentation.
9319 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9320 Kazu Hirata <kazu@codesourcery.com>
9322 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9324 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9326 * Makefile.in (FUNCTION_H): New. Use it instead of
9327 function.h throughout the file.
9328 * function.h: Include tree.h.
9330 2006-01-17 Ben Elliston <bje@au.ibm.com>
9332 * recog.c: Separate some functions with whitespace.
9334 2006-01-16 Richard Henderson <rth@redhat.com>
9336 Merge from gomp branch:
9337 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9338 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9339 and rename from struct inline_data. Rename callee* to dst*;
9340 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9341 transform_new_cfg, transform_return_to_modify, and
9342 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9343 update_clones_p.
9344 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9345 (copy_decl_for_dup): Remove.
9346 * tree-inline.c (struct inline_data): Move to header.
9347 (insert_decl_map): Export.
9348 (remap_decl): Update for member name changes. Use copy_decl hook.
9349 Allow for replacement to be a non-decl. Remove dead code.
9350 (remap_type_1): Check for existing mapping.
9351 (remap_type): Export.
9352 (remap_decls): Update for member name changes.
9353 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9354 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9355 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9356 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9357 (tree_function_versioning, build_duplicate_type): Likewise.
9358 (copy_body_r): Likewise. Export.
9359 (copy_decl_for_dup): Split into ...
9360 (copy_decl_for_dup_finish, copy_decl_to_var,
9361 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9362 (replace_ref_tree, inlining_p): Remove.
9364 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9366 * ifcvt.c (if_convert): Make it static.
9367 * rtl.h: Remove the prototype for if_convert.
9369 * local-alloc.c (local_alloc): Make it static.
9370 * rtl.h: Remove the prototype for local_alloc.
9372 * loop.c (loop_optimize): Make it static.
9373 * cfgloop.h: Remove the prototype for loop_optimize.
9374 * rtl.h: Likewise.
9376 2006-01-16 DJ Delorie <dj@redhat.com>
9378 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9379 mems.
9381 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9383 * pa.md: Disparage copies between general and floating-point registers
9384 in 32-bit move patterns.
9386 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9388 PR testsuite/25741
9389 * Makefile.in (check-%): Depend on site.exp instead of
9390 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9391 directories.
9393 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9395 * global.c (global_alloc): Make it static.
9396 * rtl.h: Remove the prototype for global_alloc.
9398 2006-01-16 Richard Guenther <rguenther@suse.de>
9400 * tree-ssa-alias.c (struct used_part): Add write_only field.
9401 (get_or_create_used_part_for): Initialize it to true.
9402 (create_overlap_variables_for): Don't create structure variables
9403 for structures that only are written to.
9404 (find_used_portions): Handle MODIFY_EXPR to track whether a
9405 structure is only written to.
9407 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9409 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9410 static.
9411 * basic-block.h: Remove the prototype for
9412 partition_hot_cold_basic_blocks.
9414 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9416 * cppspec.c (lang_specific_spec_functions): Remove.
9417 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9418 * gcc.h (lang_specific_spec_functions): Remove.
9419 * gccspec.c (lang_specific_spec_functions): Remove.
9421 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9423 * combine.c (record_value_for_reg): Invalidate registers
9424 if INSN is null.
9425 (record_dead_and_set_regs_1): Likewise, by passing them to
9426 record_value_for_reg.
9427 (record_dead_and_set_regs): Invalidate stores made by a
9428 call. We do not combine across a call, but we still
9429 relied on equivalences.
9431 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9433 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9434 vrp_int_const_binop returning non-constant nodes.
9436 2006-01-16 Paul Brook <paul@codesourcery.com>
9438 * config/m68k/m68k.c (output_move_const_into_data_reg):
9439 Output correct mnemonic for mvz and mvs.
9441 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9443 * rtl-factoring.c: Add sequence abstraction algorithm.
9444 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9445 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9446 ABNORMAL edges.
9447 (block_has_preserve_label): New function.
9448 * common.opt: Register new pass.
9449 * Makefile.in: Ditto.
9450 * passes.c: Ditto.
9451 * timevar.def: Ditto.
9452 * tree-pass.h: Ditto.
9453 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9454 * rtl.h (make_jump_insn_raw): Add forward decl.
9455 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9457 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9458 Roger Sayle <roger@eyesopen.com>
9460 * fold-const.c (fold_minmax): New static function.
9461 (fold_binary) <MIN_EXPR>: Call it.
9462 <MAX_EXPR>: Likewise.
9463 * stor-layout.c (place_field): Use DECL_SIZE consistently
9464 in the computation of the new record size.
9466 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9468 * cse.c (cse_condition_code_reg): Make it static.
9469 * rtl.h: Remove the prototype for cse_condition_code_reg.
9471 * combine.c (combine_instructions): Make it static.
9472 * rtl.h: Remove the prototype for combine_instructions.
9474 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9476 PR target/25168
9477 * tree.c (get_file_function_name_long): Concatenate the first global
9478 object name with a string derived from the input filename of the object
9479 for type "F".
9481 2006-01-16 Ben Elliston <bje@au.ibm.com>
9483 * config/i386/winnt-stubs.c: Update FSF address.
9484 * config/xtensa/ieee754-df.S: Ditto.
9485 * config/xtensa/ieee754-sf.S: Ditto.
9487 2006-01-14 Ian Lance Taylor <ian@airs.com>
9489 * ifcvt.c (noce_init_if_info): New static function, broken out of
9490 noce_process_if_block.
9491 (noce_process_if_block): Call noce_init_if_info.
9492 (check_cond_move_block): New static function.
9493 (cond_move_process_if_block): New static function.
9494 (process_if_block): Call cond_move_process_if_block.
9496 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9498 * cselib.c (hash_table): Rename to cselib_hash_table.
9499 (cselib_clear_table, discard_useless_values,
9500 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9501 cselib_init, cselib_finish): Adjust uses of hash_table.
9503 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9505 PR tree-optimization/25485
9506 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9507 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9508 is known to be false and true, respectively.
9510 2006-01-14 Richard Guenther <rguenther@suse.de>
9512 PR tree-optimization/22548
9513 PR tree-optimization/22555
9514 PR tree-optimization/22501
9515 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9516 * params.def (salias-max-array-elements): New parameter.
9517 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9518 * doc/invoke.texi (salias-max-array-elements): Document.
9519 * tree-flow-inline.h (var_can_have_subvars): We also handle
9520 arrays now.
9521 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9522 COMPONENT_REF.
9523 * tree-ssa-structalias.c (params.h): Include.
9524 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9525 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9526 (get_constraint_for): For ADDR_EXPR operating on something
9527 containing an ARRAY_REF, add all subvars to the solution.
9528 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9529 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9530 for creating MUST_DEFs.
9531 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9533 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9535 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9536 functions.
9537 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9538 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9539 number_of_iterations_le): New functions.
9540 (number_of_iterations_special): Removed.
9541 (number_of_iterations_exit): Do not use number_of_iterations_special.
9542 * tree.c (unsigned_type_for): Always return integer type.
9544 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9545 Richard Guenther <rguenther@suse.de>
9547 PR rtl-optimization/24257
9548 * gcse.c (find_moveable_store): Only consider a store movable
9549 when the SET_SRC of the insn can be assigned to a register.
9551 2006-01-14 Ian Lance Taylor <ian@airs.com>
9553 * tree.c (tree_not_class_check_failed): New function.
9554 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9555 (tree_not_class_check_failed): Declare.
9557 2006-01-13 Ian Lance Taylor <ian@airs.com>
9559 * reload1.c (do_output_reload): Add assertion rejecting a
9560 CALL_INSN.
9562 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9564 * combine.c (struct reg_stat): Add new fields truncation_label and
9565 truncated_to_mode.
9566 (record_value_for_reg): Reset truncated_to_mode.
9567 (record_truncated_value): New function.
9568 (check_promoted_subreg): Call it. Rename to check_conversions.
9569 (combine_instructions): Rename check_promoted_subreg to
9570 check_conversions.
9571 (reg_truncated_to_mode): New function.
9572 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9573 (gen_lowpart_or_truncate): New function.
9574 (force_to_mode): Use it instead of gen_lowpart.
9576 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9578 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9579 VAR is a tag, not its type tag.
9581 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9583 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9584 alternatives to match style of other entries.
9585 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9587 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9589 PR tree-optimization/25771
9590 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9591 SSA_NAMES.
9593 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9595 PR tree-opt/24365
9596 * tree-inline.c (declare_return_variable): If the return variable
9597 was marked as a non gimple complex, set the return slot variable
9598 to be a non gimple comple variable.
9600 2006-01-13 Richard Guenther <rguenther@suse.de>
9602 * builtins.c (expand_builtin_sincos): New function.
9603 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9604 do not set errno.
9605 (expand_builtin): Expand sincos using expand_builtin_sincos.
9607 2006-01-12 DJ Delorie <dj@redhat.com>
9609 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9610 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9611 so that constant shifts can be split.
9612 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9613 (m32c_valid_pointer_mode): Make static.
9614 (shift_gen_func_for): New.
9615 (m32c_prepare_shift): Use it. Split large const shifts into
9616 multiple shifts.
9617 * config/m32c/predicates.md (shiftcount_operand): Allow more
9618 general operands.
9619 (longshiftcount_operand): New.
9620 * doc/md.texi (Machine Constraints): Document In6.
9622 2006-01-13 Ben Elliston <bje@au.ibm.com>
9624 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9625 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9626 documentation.
9628 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9630 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9631 to try to avoid clobbering pieces of structures when we know
9632 something about the whole structure.
9633 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9635 2006-01-13 Ben Elliston <bje@au.ibm.com>
9637 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9638 return in memory, as this is no limitation is no longer present.
9640 2006-01-12 DJ Delorie <dj@redhat.com>
9642 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9643 mova with fb, and for fb+0 -> An.
9645 * config/m32c/mov.md (peephole2): Fix enabling logic.
9647 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9648 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9649 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9650 FINI_ARRAY_SECTION_ASM_OP): Define.
9652 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9653 variable.
9654 (m32c_legitimize_reload_address): New logic to reload FB to An.
9655 (m32c_output_reg_push): Add newline.
9656 (m32c_output_reg_pop): Likewise.
9658 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9660 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9662 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9664 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9666 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9668 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9669 match_code.
9671 2006-01-11 Ben Elliston <bje@au.ibm.com>
9673 * rtlanal.c (find_reg_note): Assert insn is not null.
9675 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9677 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9678 ifdef.
9680 2006-01-11 Jeff Law <law@redhat.com>
9682 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9683 hold edge pairs.
9684 (mark_threaded_blocks, register_jump_thread): New functions.
9685 (thread_through_all_blocks): Remove unwanted argument. No
9686 longer rely on e->aux to communicate thread target info.
9687 Call mark_threaded_blocks. Release the threaded_blocks
9688 bitmap and threaded_edges vector when complete.
9689 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9690 (threaded_blocks): Remove.
9691 (tree_ssa_dominator_optimize): Remove initialization and
9692 finalization of threaded_blocks. Simplify call to
9693 thread_through_all_blocks.
9694 (thread_across_edge): Call register_jump_thread rather than
9695 storing thread information into e->aux.
9696 (free_all_edge_infos): Simplify now that e->aux is no longer
9697 used to communicate with thread_through_all_blocks.
9698 * tree-flow.h (thread_through_all_blocks): Update prototype.
9699 (register_jump_thread): Prototype.
9701 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9703 * df-core.c (df_compact_blocks, df_bb_replace): Use
9704 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9706 2006-01-11 Richard Guenther <rguenther@suse.de>
9708 PR tree-optimization/25734
9709 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9710 stop propagation after successful propagation to the LHS.
9712 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9714 * basic-block.h (control_flow_graph): Change the type of
9715 x_basic_block_info to VEC(basic_block,gc) *.
9716 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9717 basic_block_info.
9718 (SET_BASIC_BLOCK): New.
9719 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9720 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9721 * cfgbuild.c (find_basic_blocks): Likewise.
9722 * cfglayout.c (fixup_reorder_chain): Likewise.
9723 * cfgrtl.c (create_basic_block_structure,
9724 rtl_create_basic_block): Likewise.
9725 * ifcvt.c (find_if_case_1): Likewise.
9726 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9727 Likewise.
9729 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9731 * Makefile.in: Removed rotted odf.c entry.
9733 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9735 PR target/25706
9736 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9737 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9738 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9739 output pattern modifier, not %e.
9740 * config/cris/cris.c (cris_op_str): Update comment about pattern
9741 modifier.
9742 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9743 before falling through into...
9744 <case 'E'>: Redefined from old 'e' case.
9746 2006-01-11 Jan Hubicka <jh@suse.cz>
9748 PR target/25042
9749 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9751 2006-01-11 Jan Hubicka <jh@suse.cz>
9753 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9754 * i386.c (x86_decompose_lea): Kill.
9755 (ix86_rtx_costs): Kill.
9757 2006-01-11 Jan Hubicka <jh@suse.cz>
9759 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9760 * cgraph.h (cgraph_node): Add inline_decl.
9761 (cgraph_insert_node_to_hashtable): Declare.
9762 (save_inline_function_body): Declare.
9763 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9764 clones.
9765 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9766 (cgraph_function_versioning): Update call of tree_function_versioning.
9767 (save_inline_function_body): New function.
9768 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9769 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9770 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9771 (cgraph_default_inline_p): Likewise.
9772 (cgraph_decide_inlining_incrementally): Likewise.
9773 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9774 (copy_bb): Kill saving; do updating of clones.
9775 (copy_cfg_body): Kill saving.
9776 (initialize_inlined-parameters): Likewise.
9777 (expand_call_inline): Likewise.
9778 (save_body): Kill.
9779 (tree_function_versioning): New parameter "update_clones".
9780 (inlining_p): Kill saving.
9781 * tree-inline.h (tree_function_versioning): Update prototype.
9782 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9783 saving.
9785 2006-01-11 Ian Lance Taylor <ian@airs.com>
9787 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9788 Allow undoing set of machine mode.
9789 (do_SUBST): Use enums instead of is_int.
9790 (do_SUBST_MODE): New function.
9791 (SUBST_MODE): New macro.
9792 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9793 reg and trying to replace reg_regno_rtx with a new register.
9794 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9795 (simplify_set): Use SUBST_MODE.
9796 (distribute_notes): Remove code that tried to update reg notes
9797 for regno_reg_rtx changes.
9799 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9801 PR tree-optimization/23109
9802 PR tree-optimization/23948
9803 PR tree-optimization/24123
9805 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9806 * tree-cfg.c (single_noncomplex_succ): New.
9807 * tree-flow.h (single_noncomplex_succ): Declare it.
9808 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9809 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9810 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9811 insert_bb, register_division_in, insert_reciprocals,
9812 replace_reciprocal, free_bb): New.
9813 (execute_cse_reciprocals_1): Rewritten.
9814 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9815 Do not commit any edge insertion. Always compute dominators and
9816 create the allocation pool.
9817 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9818 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9819 * targhooks.c (default_min_divistions_for_recip_mul): New.
9820 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9821 * passes.c (init_optimization_passes): Run recip after tree loop
9822 optimizations.
9823 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9825 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9826 Kenneth Zadeck <zadeck@naturalbridge.com>
9828 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9829 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9830 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9831 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9832 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9833 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9834 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9835 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9836 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9837 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9838 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9839 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9840 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9841 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9842 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9843 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9844 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9845 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9846 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9847 DF_SCAN_POST_ALLOC): New macros.
9848 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9849 df_free_bb_function, df_local_compute_function, df_init_function,
9850 df_dataflow_function, df_confluence_function_0,
9851 df_confluence_function_n, df_transfer_function,
9852 df_finalizer_function, df_free_function, df_dump_problem_function,
9853 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9854 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9855 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9856 df_urec_bb_info, ) New types.
9857 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9858 variables.
9859 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9860 df_analyze_simple_change_some_blocks,
9861 df_analyze_simple_change_one_block, df_compact_blocks,
9862 df_bb_replace, df_bb_regno_last_use_find,
9863 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9864 df_insn_regno_def_p, df_find_def, df_find_use,
9865 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9866 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9867 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9868 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9869 debug_df_chain, df_get_dependent_problem, df_chain_create,
9870 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9871 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9872 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9873 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9874 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9875 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9876 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9877 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9878 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9879 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9880 df_reorganize_refs, df_set_state, df_hard_reg_init,
9881 df_read_modify_subreg_p) New public functions.
9882 * df-core.c: The core dataflow solver and glue routines for rtl
9883 dataflow.
9884 (df_init, df_add_problem, df_set_blocks, df_finish,
9885 df_hybrid_search_forward, df_hybrid_search_backward,
9886 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9887 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9888 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9889 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9890 df_reg_defined, df_find_use, df_reg_used, df_dump,
9891 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9892 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9893 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9894 debug_df_useno, reset_df_after_reload): New functions.
9895 * df-scan.c: The scanning fuctions, once in df.c, completely
9896 rewritten so that they now fully model the functionality of
9897 register usage at the backend.
9898 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9899 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9900 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9901 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9902 df_get_artificial_defs, df_get_artificial_uses,
9903 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9904 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9905 df_refs_delete, df_reorganize_refs, df_set_state,
9906 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9907 df_def_record_1, df_defs_record, df_uses_record,
9908 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9909 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9910 df_record_exit_block_uses, df_hard_reg_init): New functions.
9912 * df-problems.c: Seven concrete dataflow problems that use the
9913 scanning in df-scan.c and are solved by the engine in df-core.c.
9914 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9915 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9916 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9917 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9918 df_ru_free_bb_info, df_ru_alloc,
9919 df_ru_bb_local_compute_process_def,
9920 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9921 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9922 df_ru_transfer_function, df_ru_free, df_ru_dump,
9923 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9924 df_rd_free_bb_info, df_rd_alloc,
9925 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9926 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9927 df_rd_transfer_function, df_rd_free, df_rd_dump,
9928 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9929 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9930 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9931 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9932 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9933 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9934 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9935 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9936 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9937 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9938 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9939 df_urec_mark_reg_use_for_earlyclobber,
9940 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9941 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9942 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9943 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9944 df_chain_create_bb_process_use, df_chain_create_bb,
9945 df_chain_finalize, df_chain_free, df_chains_dump,
9946 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9947 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9948 df_reg_lifetime): New functions.
9949 * df.c: Deleted file.
9950 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9951 consistent with new df api.
9952 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9953 rest_of_handle_sms): Ditto.
9954 * web.c (unionfind_union, union_defs, entry_register, web_main):
9955 Ditto.
9956 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9957 invariant_expr_equal_p, find_defs, check_dependencies,
9958 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9959 free_inv_motion_data, move_loop_invariants): Ditto.
9960 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9961 Update dependencies.
9962 (odf.c): Added defective entry that was deleted later in day.
9963 * sched-deps.c (sched_analyze_1): Ditto.
9965 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9967 * tree-ssa-operands.c (get_expr_operands): Record addressable
9968 variables directly. Do not call add_stmt_operands for CONST_DECLs
9969 and ARRAY_DECLs.
9970 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9971 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9973 2006-01-11 Ben Elliston <bje@au.ibm.com>
9975 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9976 function returns true in the positive case.
9978 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9980 PR target/20754
9981 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9982 for SI, DI, SF and DF modes. Add alternatives to copy between
9983 general and floating point registers to the 32-bit patterns.
9984 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9985 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9986 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9987 generating 64-bit code.
9988 * config/pa/pa.c (output_move_double): Handle copies between general
9989 and floating registers.
9991 2006-01-10 Stuart Hastings <stuart@apple.com>
9993 * config/i386/i386.md (set_got): Update.
9994 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9995 (builtin_setjmp_receiver): Mach-O support.
9996 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9997 (GOT_SYMBOL_NAME): Define.
9998 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9999 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10000 * config/i386/i386.c (override_options): Revise for Darwin.
10001 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10002 support. (darwin_x86_file_end): New. (output_set_got): Add label
10003 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10004 * config/i386/i386-protos.h (output_set_got): Likewise.
10005 * config/darwin.c (machopic_legitimize_pic_address): Update
10006 regs_ever_live[].
10008 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10010 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10011 when MODE isn't BLKmode.
10013 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10015 PR rtl-optimization/25367
10016 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10018 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10020 PR target/25718
10021 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10022 for a negative bound.
10024 2006-01-10 Richard Guenther <rguenther@suse.de>
10026 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10027 Never override with anything constraint.
10029 2006-01-10 Jan Beulich <jbeulich@novell.com>
10031 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10032 256 bits when optimize_size.
10034 2006-01-10 Jan Beulich <jbeulich@novell.com>
10036 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10037 MASK_ALIGN_DOUBLE.
10038 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10039 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10040 arguments.
10042 2006-01-10 Ben Elliston <bje@au.ibm.com>
10044 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10045 float modes.
10046 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10047 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10048 (USE_FP_FOR_ARG): Reject decimal float modes.
10049 (function_arg_advance): Likewise.
10050 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10051 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10052 point types in AltiVec vectors.
10053 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10054 (rs6000_libcall_value): Likewise.
10056 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10058 * config/xtensa/ieee754-df.S: New file.
10059 * config/xtensa/ieee754-sf.S: New file.
10060 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10061 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10062 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10064 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10066 * config/sh/predicates.md (binary_float_operator,
10067 binary_logical_operator, commutative_float_operator,
10068 equality_comparison_operator, greater_comparison_operator,
10069 less_comparison_operator, logical_operator,
10070 noncommutative_float_operator, shift_operator,
10071 symbol_ref_operand, unary_float_operator): Remove redundant
10072 conditionals.
10074 2006-01-09 Jeff Law <law@redhat.com>
10076 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10077 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10078 now unused arguments. Callers updated.
10079 (eliminate_redundant_computations): Remove now unused arguments,
10080 callers updated.
10081 (local_fold): Remove, no longer used.
10082 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10083 and moved to...
10084 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10085 (simplify_cond): New function.
10086 (forward_propagate_into_cond): Call simplify_cond.
10088 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10090 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10091 (*vec_extractv2di_1_sse): New.
10093 2006-01-09 Ben Elliston <bje@au.ibm.com>
10095 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10097 2006-01-08 Richard Guenther <rguenther@suse.de>
10099 * tree-ssa-structalias.c (get_constraint_for): Remove
10100 anyoffset argument.
10101 (get_constraint_for_component_ref): Likewise.
10102 (do_deref): Likewise.
10103 (get_constraint_for): Likewise.
10104 (do_structure_copy): Likewise.
10105 (handle_ptr_arith): Likewise.
10106 (find_func_aliases): Likewise. Remove unused need_anyoffset
10107 variable.
10109 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10110 Kaz Kojima <kkojima@gcc.gnu.org>
10112 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10113 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10114 (EXTRA_CONSTRAINT_C16): Remove.
10115 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10116 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10117 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10118 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10119 constants of SHmedia. Handle nested constant expressions of
10120 SHmedia correctly.
10121 (andcosts): Fix the costs for SHmedia constants.
10122 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10123 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10124 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10125 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10126 (movv4hi_i, movv2si_i): Likewise.
10127 (movsi_const): Adjust the second operand of ior so to match with
10128 the Csu constraint.
10129 (movdi_const, movdi_const_32bit): Likewise.
10130 (movdi_const_16bit+1): Don't sign-extend LOW.
10131 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10132 step.
10133 (*double_shori): Fix the split condition. Use GEN_INT instead
10134 of get_int_mode calls. Mask lower 16-bit of the argument of
10135 the last GEN_INT.
10136 (sym2GOTPLT): Remove.
10137 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10138 gen_rtx_UNSPEC.
10139 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10140 instead of EXTRA_CONSTRAINT_C16.
10142 2006-01-07 Ian Lance Taylor <ian@airs.com>
10143 David Edelsohn <edelsohn@gnu.org>
10145 PR rtl-optimization/25662
10146 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10147 for constant operands instead of simplify_gen_binary.
10148 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10149 after trying simplify_binary_operation
10151 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10153 * tree.c (iterative_hash_expr): Hash decls based on UID.
10155 2006-01-06 Eric Christopher <echristo@apple.com>
10157 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10158 (TARGET_UNWIND_EMIT): Fix spelling.
10159 * target.h (gcc_target): Add except_table_label.
10160 * except.c (output_function_exception_table): Use.
10161 * varasm.c (default_emit_except_table_label): New.
10162 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10163 define.
10164 (asm_out): Add here.
10165 * output.h (default_emit_except_table_label): Prototype.
10166 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10167 * config/darwin.c (darwin_emit_except_table_label): Define.
10168 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10170 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10172 PR tree-optimization/18527
10173 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10174 number_of_iterations_special, number_of_iterations_exit):
10175 Move base and step of an iv to a single structure. Add
10176 no_overflow flag, and use it in # of iterations analysis.
10177 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10178 folded_casts argument.
10179 (simple_iv): Pass base and step in a structure. Set no_overflow
10180 flag.
10181 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10182 Evaluate expensiveness of computing # of iterations instead of
10183 the final expression.
10184 * tree-scalar-evolution.h (affine_iv): New structure.
10185 (simple_iv): Declaration changed.
10186 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10187 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10188 find_givs_in_stmt): Changed due to simple_iv change.
10190 2006-01-06 Jeff Law <law@redhat.com>
10192 PR ada/24994
10193 * tree-cfg.c (bsi_replace): Rename final argument from
10194 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10195 change (stmt -> orig_stmt).
10196 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10197 (bsi_remove): Add new argument. Remove EH information
10198 if requested.
10199 (verify_eh_throw_table_statements): New function.
10200 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10201 updated.
10202 * tree-optimize.c (execute_free_cfg_annotations): Verify
10203 the EH throw statement table after removing annotations.
10204 * except.h (verify_eh_throw_table_statements): Prototype.
10205 * tree-flow.h (bsi_remove): Update prototype.
10206 * tree-vrp.c (remove_range_assertions): Add new argument to
10207 bsi_remove call.
10208 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10209 * tree-complex.c (expand_complex_div_wide): Likewise.
10210 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10211 * tree-tailcall.c (eliminate_tailcall): Likewise.
10212 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10213 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10214 * tree-nrv.c (tree_nrv): Likewise.
10215 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10216 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10217 (combine_blocks): Likewise.
10218 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10219 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10220 (cleanup_control_flow): Likewise.
10221 (remove_forwarder_block): Likewise.
10222 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10223 * tree-sra.c (sra_replace): Likewise.
10224 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10225 (forward_propagate_single_use_vars): Likewise.
10226 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10227 * tree-inline.c (expand_call_inline): Likewise.
10228 * tree-vect-transform.c (vect_transform_loop): Likewise.
10229 * tree-outof-ssa.c (rewrite_trees): Likewise.
10230 * tree-cfg.c (make_goto_expr_edges): Likewise.
10231 (cleanup_dead_labels): Likewise.
10232 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10233 (bsi_move_before, bsi_move_after): Likewise.
10234 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10235 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10237 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10239 PR tree-opt/25528
10240 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10241 and IMAGPART_EXPR.
10242 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10243 on non gimple variables. Also add checks at the top for decls and
10244 mtags.
10245 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10246 complex types.
10247 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10248 and IMAGPART_EXPR for creating MUST_DEFs.
10249 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10250 and NAME_MEMORY_TAG separately from the DECLs.
10252 2006-01-06 Richard Guenther <rguenther@suse.de>
10254 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10255 annotation, if necessary.
10256 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10257 redundant calls to update_stmt.
10258 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10259 Likewise.
10261 2006-01-05 Richard Henderson <rth@redhat.com>
10263 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10265 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10267 * c-typeck.c: Update copyright date.
10269 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10271 * c-typeck.c (build_c_cast): Always warn when casting
10272 from a pointer to an integer of different size, even if
10273 the node was constant.
10275 2006-01-05 Richard Guenther <rguenther@suse.de>
10277 PR tree-optimization/22555
10278 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10279 if one structure field is an array.
10280 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10281 operands even if we found a subvar, but ignore VOPs in this
10282 case.
10283 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10284 for renaming.
10285 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10287 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10289 PR middle-end/24998
10290 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10292 2006-01-05 Richard Guenther <rguenther@suse.de>
10293 Diego Novillo <dnovillo@redhat.com>
10295 * tree-pass.h (TODO_remove_unused_locals): Define.
10296 * gimple-low.c (expand_var_p, remove_useless_vars,
10297 pass_remove_useless_vars): Remove. Update all users.
10298 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10299 (remove_unused_locals): New function.
10300 * tree-flow.h (remove_unused_locals): Declare.
10301 * passes.c (execute_todo): Call remove_unused_locals if
10302 TODO_remove_unused_locals is set.
10303 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10304 * tree-ssa-dce.c (pass_dce): Likewise.
10305 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10307 2006-01-05 Richard Guenther <rguenther@suse.de>
10309 * tree-flow.h (struct fieldoff): Decompose field to
10310 type, size and decl.
10311 * tree-ssa-alias.c (create_sft): Take type as parameter.
10312 (create_overlap_variables_for): Store type, size and decl
10313 in the fieldoff structure.
10314 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10315 of struct fieldoff.
10316 (push_fields_onto_fieldstack): Likewise.
10317 (create_variable_info_for): Likewise. Use offset for the
10318 SFT name if the decl is not available.
10320 2006-01-04 Paul Brook <paul@codesourcery.com>
10322 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10324 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10326 * lambda-code.c (can_put_in_inner_loop): Relax
10327 restrictions.
10328 (can_put_after_inner_loop): New function.
10329 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10330 (perfect_nestify): Change to make copies and modify uses.
10332 2006-01-04 Richard Henderson <rth@redhat.com>
10334 Merge from gomp branch:
10335 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10336 via integer constant.
10337 (pragma_lex): Remove.
10338 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10339 rather than parsing it.
10340 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10341 handle_pragma_extern_prefix): Add %< %> quotes.
10342 (registered_pragmas): New.
10343 (c_register_pragma_1): New.
10344 (c_register_pragma): Use it.
10345 (c_register_pragma_with_expansion): Likewise.
10346 (c_invoke_pragma_handler): New.
10347 (init_pragma): Use cpp_register_deferred_pragma directly for
10348 pch_preprocess.
10349 * c-pragma.h (enum pragma_kind): New.
10350 (pragma_handler): New.
10351 (c_invoke_pragma_handler): Declare.
10352 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10353 CPP_PRAGMA_EOL.
10354 * c-common.h (c_common_pch_pragma): Update decl.
10355 * Makefile.in (c-parser.o): Update dependencies.
10356 (GTFILES): Add c-pragma.h.
10357 * c-parser.c (struct c_token): Add pragma_kind.
10358 (struct c_parser): Add in_pragma.
10359 (c_lex_one_token): Always initialize keyword and pragma_kind.
10360 Extract data for CPP_PRAGMA.
10361 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10362 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10363 Don't allow CPP_PRAGMA_EOL if in_pragma.
10364 (c_parser_consume_pragma): New.
10365 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10366 (c_parser_skip_to_end_of_parameter): Likewise.
10367 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10368 (c_parser_skip_to_pragma_eol): New.
10369 (c_parser_external_declaration): Handle CPP_PRAGMA.
10370 (c_parser_compound_statement_nostart): Likewise.
10371 (c_parser_statement_after_labels): Likewise.
10372 (c_parser_pragma): New.
10373 (pragma_lex): Likewise.
10374 (c_parser_pragma_pch_preprocess): New.
10375 (c_parser_new): Merge into ...
10376 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10378 2006-01-04 Jeff Law <law@redhat.com>
10380 PR ada/24994
10381 * tree-cfg.c (bsi_replace): Remove the original statement
10382 from the EH throw statement table.
10384 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10386 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10387 make the prototype extern "C" and add throw ().
10389 PR target/25554
10390 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10391 and pos non-negative and pos + len <= 32.
10392 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10393 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10394 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10396 PR c/25559
10397 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10398 as well as sizes not multiple of component size.
10400 PR debug/25562
10401 * function.c (instantiate_expr): New function.
10402 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10403 walk its DECL_VALUE_EXPR with instantiate_expr.
10405 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10406 DW_OP_deref{,_size} if address isn't going to be added.
10408 2006-01-04 Ben Elliston <bje@au.ibm.com>
10410 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10411 * config/fp-bit.c: Likewise.
10413 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10415 * dominance.c: Add comment about why we use DFS numbering
10416 of dominance tree.
10418 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10419 Richard Henderson <rth@redhat.com>
10421 Merge from gomp-branch:
10422 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10423 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10425 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10427 PR rtl-optimization/25578
10428 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10429 pass a parameter to simplify_shift_const if changing ASHIFTRT
10430 to LSHIFTRT.
10432 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10434 * builtins.c (get_builtin_sync_mem): New function.
10435 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10436 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10437 Call get_builtin_sync_mem to generate mem rtx.
10439 2006-01-03 Richard Guenther <rguenther@suse.de>
10441 PR c/25183
10442 * stmt.c (add_case_node): Make sure to clear overflow flags
10443 from ranges.
10445 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10447 Merge from gomp-branch.
10448 * config/sparc/sync.md: New file.
10449 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10450 UNSPECV_LDSTUB): New constants.
10451 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10452 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10453 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10454 prototype.
10456 2006-01-03 Roger Sayle <roger@eyesopen.com>
10458 * combine.c (reg_subword_p): New predicate to test whether the
10459 destination of a set refers to a subword/piece of a register.
10460 (try_combine): Generalize the code to merge the setting of a
10461 pseudo to a constant followed by a set of a subword of that
10462 register to a constant.
10464 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10466 * basic-block.h (control_flow_graph): Change the type of
10467 x_label_to_block_map to VEC(basic_block,gc) *.
10468 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10469 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10471 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10472 VEC(basic_block,heap) *.
10473 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10474 ssa_prop_fini): Adjust the uses of cfg_blocks.
10476 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10478 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10479 COMPONENT_REFs.
10480 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10481 hashing trees instead of a pointer hash.
10482 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10483 compare for MEM_EXPR.
10485 PR rtl-optimization/25130
10486 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10487 when comparing MEMs for GCSE
10489 2006-01-03 Ben Elliston <bje@au.ibm.com>
10491 * targhooks.h (default_decimal_float_supported_p): Declare.
10492 * targhooks.c (default_decimal_float_supported_p): Define.
10493 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10494 `default_decimal_float_supported_p'.
10495 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10497 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10499 * combine.c (apply_distributive_law <SUBREG>): Check
10500 TRULY_NOOP_TRUNCATION.
10502 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10504 * dwarf2out.c (have_switched_text_section): Delete.
10505 (have_multiple_function_sections): New.
10506 (have_location_lists): Make 'bool'.
10507 (add_AT_loc_list): Use 'true' not '1'.
10508 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10509 (output_loc_list): Use have_multiple_function_sections.
10510 (output_ranges): Likewise.
10511 (dwarf2out_begin_function): Set have_multiple_function_sections if
10512 necessary.
10513 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10514 Check function_section rather than DECL_SECTION_NAME.
10515 (dwarf2out_finish): Use have_multiple_function_sections.
10516 Don't clear have_location_lists.
10518 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10519 Jan Hubicka <jh@suse.cz>
10521 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10522 case of conditional jump jumping to the next instruction.
10523 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10524 cases of conditional jump jumping to the next instruction.
10526 2006-01-02 Jan Hubicka <jh@suse.cz>
10528 * i386.c (*_cost): Add COSTS_N_INSNS.
10529 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10531 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10533 PR target/25259
10534 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10536 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10538 * config/arm/arm.c (all_fpus): Fix comment typo.
10539 * config/darwin.c: Likewise.
10540 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10541 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10542 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10544 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10546 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10547 (rs6000_split_compare_and_swapqhi): New.
10548 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10549 (sync_compare_and_swapqhi_internal): New.
10550 * config/rs6000/rs6000-protos.h: Declare.