| blob | f01eebdae816c02b75423e9843f6b626adf5485b |
1 2006-05-16 DJ Delorie <dj@redhat.com>
3 * crtstuff.c (__dso_handle): Set section from
4 TARGET_LBIGCC_SDATA_SECTION if defined.
5 * doc/tm.text (TARGET_LIBGCC_SDATA_SECTION): Document.
6 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
10 PR target/27599
11 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12 host_xmake_file.
14 2006-05-16 Ben Elliston <bje@au.ibm.com>
16 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
18 2006-05-15 Per Bothner <per@bothner.com>
20 * tree.c: (last_annotated_node): Use sources_locus typedef.
21 This permits bootstrapping with --enable-mapped-location.
23 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
25 PR tree-optimization/26830
26 * tree-into-ssa.c (struct ssa_name_info): Add age field.
27 (info_for_ssa_name, current_info_for_ssa_name_age,
28 blocks_to_update): New variables.
29 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
30 (clear_ssa_name_info, initialize_flags_in_bb,
31 mark_block_for_update): New functions.
32 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
33 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
34 prepare_def_site_for): Use mark_block_for_update.
35 (mark_def_interesting): Assert that the processed block is marked in
36 blocks_to_update. Do not take blocks argument.
37 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
38 argument.
39 (rewrite_update_init_block, rewrite_update_stmt): Only process
40 blocks with statements to rewrite.
41 (delete_update_ssa): Do not clear SSA_NAME_AUX.
42 (update_ssa): Initialize and free blocks_to_update. Do not
43 clear flags on statements. Do not use blocks bitmap.
44 * tree.h (SSA_NAME_AUX): Removed.
45 (struct tree_ssa_name): Removed aux field.
46 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
48 2006-05-15 Richard Guenther <rguenther@suse.de>
50 PR tree-optimization/27603
51 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
52 Do computations in original type.
54 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
56 * see.c: Code style changes such as redundant paranthesis,
57 redundant intialization of local variables etc.
58 (see_main): Declared now as static.
59 * doc/invoke.texi: Update that -fsee is not enabled by
60 default at -O3.
62 2006-05-15 Jakub Jelinek <jakub@redhat.com>
64 * omp-low.c (check_omp_nesting_restrictions): New function.
65 (scan_omp_1): Call it.
67 PR middle-end/27416
68 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
69 construct, return *VAR.
71 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
73 PR rtl-optimization/27406
74 * bt-load.c (migrate_btr_def): Skip the block having abnormal
75 edges.
77 2006-05-14 Roger Sayle <roger@eyesopen.com>
79 PR rtl-optimization/27538
80 * combine.c (expand_compound_operation): Call gen_lowpart
81 before calling simplify_shift_const.
83 2006-05-14 Roger Sayle <roger@eyesopen.com>
85 PR rtl-optimization/22563
86 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
87 a fixed width bitfield, always force the intermediates into psuedos.
89 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
91 PR 27501
92 * mkconfig.sh: Use operator = instead of == for test.
94 2006-05-13 Nick Clifton <nickc@redhat.com>
96 * dwarf2out.c (dbx_reg_number): Check return value from
97 LEAF_REG_REMAP and only use it if it is valid.
98 (multiple_reg_loc_descriptor): Likewise.
100 2006-05-13 Richard Guenther <rguenther@suse.de>
102 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
103 host_xmake_file.
105 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
107 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
108 information attached to non-INSNs such as NOTEs.
109 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
111 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
113 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
114 On contraint.
115 * config/s390/s390.md: Adjust comment describing On constraint.
117 2006-05-11 Jan Hubicka <jh@suse.cz>
119 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
120 to be output at -O0.
122 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
124 PR middle-end/27384
125 * fold-const.c (size_binop): Move sanity check for arguments to
126 the beginning of the function.
128 PR middle-end/27488
129 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
130 expression.
132 2006-05-11 Richard Guenther <rguenther@suse.de>
134 PR middle-end/27529
135 * fold-const.c (fold_unary): Handle intermediate conversion
136 to a pointer type like intermediate conversion to an integer
137 type in folding of (T1)(T2)var to var.
138 Match the code to the comment in the final conversion for
139 (T1)(T2)var to (T1)var regarding to type precision. Rather
140 than disallow T1 being of pointer type, assert that both T1
141 and var are of pointer type or not. Make sure not to fall
142 over the frontends lazyness wrt array to pointer decay though.
144 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
146 * arm.c (arm_struct_value_rtx): Delete.
147 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
148 (arm_init_cumulative_args): Always initialize nregs to zero.
150 2006-05-10 Richard Guenther <rguenther@suse.de>
152 PR tree-optimization/27532
153 * tree-object-size.c (plus_expr_object_size): Fix typo.
155 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
157 PR target/24949
158 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
159 ashrdi_const, ashrdi3): Use a scratch register.
161 2006-05-10 Richard Guenther <rguenther@suse.de>
163 PR tree-optimization/27302
164 * fold-const.c (operand_equal_p): For two comparisons,
165 try comparison of one comparison code swapped if that yields
166 the same code.
168 2006-05-10 Ben Elliston <bje@au.ibm.com>
170 * tree-pretty-print.c (pretty_print_string): No need to handle
171 '\0' as a special character.
173 * tree.h: Include "hashtab.h".
174 (iterative_hash_expr): Use hashval_t in its prototype.
175 * Makefile.in (TREE_H): Add $(HASHTAB_H).
177 2006-05-09 Steve Ellcey <sje@cup.hp.com>
179 PR bootstrap/26872
180 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
181 (hppa*64*-*-hpux11*): Ditto.
182 (hppa[12]*-*-hpux11*): Ditto.
184 2006-05-09 David Edelsohn <edelsohn@gnu.org>
186 PR target/26545
187 * config/rs6000/aix41.h (TARGET_64BIT): Define.
189 2006-05-09 Michael Matz <matz@suse.de>
191 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
192 host_extra_gcc_objs and host_xmake_file.
193 (<*-*-linux*>): Don't overwrite host_xmake_file.
194 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
195 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
196 (host_detect_local_cpu): Declare.
197 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
198 * config/i386/i386.c (override_options): Handle -mtune=native
199 as -mtune=generic.
200 * config/i386/x-i386: New file.
201 * config/i386/driver-i386.c: New file.
202 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
203 cpu-type "native".
205 2006-05-09 Dirk Mueller <dmueller@suse.de>
206 Richard Guenther <rguenther@suse.de>
208 PR middle-end/27498
209 * fold-const.c (fold_read_from_constant_string): Relax check
210 for matching types to matching modes.
212 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
214 PR rtl-optimization/27335
215 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
216 loops.
218 2006-05-08 Chao-ying Fu <fu@mips.com>
219 Richard Sandiford <richard@codesourcery.com>
221 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
222 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
223 * config/mips/mips.md (UNSPEC_SCC): New constant.
224 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
225 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
226 (mips_emit_compare): Use it.
227 (mips_expand_vcondv2sf): New function.
229 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
231 Fix PR tree-optimization/27093
232 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
233 renaming when they become not-used_alone.
235 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
237 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
238 relocation and relocation stubs.
240 2006-05-08 Eric Christopher <echristo@apple.com>
242 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
243 section for ppc.
245 2006-05-08 Jan Hubicka <jh@suse.cz>
247 PR middle-end/25962
248 * cgraphunit.c (decide_is_function_needed): When not optimizing even
249 unused static functions are needed.
251 2006-05-08 Roger Sayle <roger@eyesopen.com>
253 PR target/27158
254 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
255 of a reg_equiv_constant if the result is a legitimate constant.
257 2006-05-08 Uros Bizjak <uros@kss-loka.si>
259 PR target/27277
260 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
261 standard 80387 constants, raise the cost to prevent
262 compress_float_constant() to generate load from memory.
264 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
266 * config/arm/constraints.md (c): Fix a typo.
268 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
269 typos.
271 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
273 PR target/24879
274 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
275 inline function.
276 (_mm_mwait): Likewise.
278 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
279 "mwait".
280 (sse3_monitor): Make it 32bit only.
281 (sse3_monitor64): New. 64bit monitor.
283 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
285 PR target/27421
286 * config/i386/i386.c (classify_argument): Skip fields with invalid
287 types.
289 2006-05-07 Richard Guenther <rguenther@suse.de>
291 PR tree-optimization/27409
292 * tree-ssa-structalias.c (get_constraint_for_component_ref):
293 Do not try to find zero-sized subvars.
295 2006-05-07 Richard Guenther <rguenther@suse.de>
297 PR tree-optimization/27136
298 * tree-ssa-loop-niter.c (get_val_for): Correct function
299 comment, assert requirements.
300 (loop_niter_by_eval): Stop processing if the iterated
301 value did not simplify.
303 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
305 * opts.c (flag_see): remove its setting at -O3.
307 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
309 * genpeep.c (main): Make insn-peep.c depend on flags.h.
310 * arm/constraints.md: New file.
311 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
312 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
313 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
314 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
315 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
316 (EXTRA_MEMORY_CONSTRAINT): Likewise.
317 * arm.md: Include constraints.md.
318 (thumb_movsi_insn): Use satisfies_constraint_J.
319 (movhi, movqi): Use satisfies_constraint_I.
321 2006-04-29 Anatoly Sokolov <aesok@post.ru>
323 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
324 for atmeg a645 device.
326 2006-05-06 Richard Guenther <rguenther@suse.de>
328 PR tree-optimization/27151
329 * tree-vect-transform.c (vectorizable_condition): Punt on
330 values that have a different type than the condition.
332 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
334 PR/21391
335 * c-parser.c (c_parser_cast_expression): Only insert casts into
336 hash table if pointer.
337 * function.c (used_types_insert_helper): Rename from
338 used_types_insert.
339 (used_types_insert): Call used_types_insert_helper.
340 * function.h (used_types_insert): Accept only one argument.
342 2006-05-05 David Edelsohn <edesohn@gnu.org>
344 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
345 scratch with output modifier.
347 2006-05-04 David Edelsohn <edelsohn@gnu.org>
349 PR target/26481
350 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
351 with output modifier.
353 2006-05-04 Richard Sandiford <richard@codesourcery.com>
355 PR target/26765
356 * config/mips/mips.c (mips_symbolic_address_p): Return true
357 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
358 SYMBOL_GOTTPREL, and SYMBOL_TLS.
360 2006-05-04 Richard Guenther <rguenther@suse.de>
362 PR tree-optimization/14287
363 PR tree-optimization/14844
364 PR tree-optimization/19792
365 PR tree-optimization/21608
366 PR tree-optimization/27090
367 * tree-ssa-pre.c (try_combine_conversion): New function.
368 (compute_avail): After constructing the value-handle
369 expression, use try_combine_conversion to combine NOP_EXPRs
370 with previous value-handle expressions and use the result if it
371 is available.
373 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
375 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
377 2006-05-04 Jan Hubicka <jh@suse.cz>
379 PR middle-end/25962
380 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
382 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
384 * config/bfin/predicates.md (const01_rtx): Tell generator programs
385 that this only matches CONST_INTs. All users changed to VOIDmode
386 operands.
388 * config/bfin/bfin.c: Include "optabs.h".
389 (bfin_rtx_costs): Some costs for vector operations, to allow combine
390 to do more work.
391 (enum bfin_builtins): Add a number of fractional and vector builtins.
392 (bfin_init_builtins): Likewise.
393 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
394 (safe_vector_operand, bfin_expand_binop_builtin,
395 bfin_expand_unop_builtin): New functions.
396 (bfin_expand_builtin): Handle the new builtins.
397 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
398 __ADSPBLACKFIN__.
400 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
402 * see.c: New file.
403 * Makefile.in (OBJS-common): Add see.o.
404 (see.o): Add dependencies.
405 * common.opt (fsee): New flag for the see optimization was added.
406 * opts.c (flag_see): Initialized.
407 * passes.c (init_optimization_passes, pass_see): New pass.
408 * rtl.h (see_main): Declaration as extern.
409 * timevar.def (TV_SEE): New.
410 * tree-pass.h (pass_see): Declaration as extern.
411 * invoke.texi (-fsee): Document.
412 * recog.c (validate_simplify_insn): New function.
413 * recog.h (validate_simplify_insn): Declaration as extern.
414 * df-problems.c (df_chain_dump): Check for NULL.
416 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
417 Daniel Berlin <dberlin@dberlin.org>
419 * cfgrtl.c (insert_insn_bb_end_new): New function.
420 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
422 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
424 * df.h (struct web_entry): Moved from web.c.
425 (union_defs): Declaration as extern.
426 (unionfind_root): Likewise.
427 (unionfind_union): Likewise.
428 * web.c (struct web_entry): Moved to df.h.
429 (unionfind_root): Remove static declaration.
430 (unionfind_union): Likewise.
431 (union_defs): Likewise and generalize to use callback function.
432 (web_main): Update arguments for union_defs function call.
434 2006-05-04 Richard Guenther <rguenther@suse.de>
436 PR tree-optimization/26447
437 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
438 produce SSA_NAME copies before the store stmt to avoid
439 breaking exception handling.
441 2006-05-04 Jakub Jelinek <jakub@redhat.com>
443 PR middle-end/27388
444 * gimplify.c (omp_is_private): If var is shared in some outer context,
445 return false instead of true. Stop searching on parallel context
446 boundary.
448 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
450 PR java/8260
451 * coverage.c: Use get_gcov_unsigned_t() instead of
452 unsigned_type_node all over.
454 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
456 PR tree-optimization/27381
457 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
458 maintain the same immediate_use links.
459 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
460 node rather than segfaulting.
462 2006-05-03 Jakub Jelinek <jakub@redhat.com>
464 PR fortran/27395
465 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
466 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
467 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
469 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
471 Fix PR tree-optimization/26626
472 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
473 always.
474 * tree-ssa-operands.c (access_can_touch_variable): Allow
475 typecasting through union pointers.
477 2006-05-02 Jakub Jelinek <jakub@redhat.com>
479 PR c++/26943
480 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
481 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
482 to find if var will be a global variable even in the nested context.
483 (omp_copy_decl): Only check for global variable at the end, it might
484 be overridden in outer contexts.
485 (scan_sharing_clauses): For global variables don't create a field.
486 (lower_rec_input_clauses): Do nothing for global shared variables.
487 Emit a barrier at the end of ILIST if there were any decls in both
488 firstprivate and lastprivate clauses.
489 (lower_send_clauses): Do nothing for global variables except for
490 COPYIN.
492 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
494 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
495 of the correct signedness is returned.
497 2006-05-02 Jeff Law <law@redhat.com>
499 PR tree-optimization/27364
500 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
501 multiply expressions.
503 2006-05-02 Tom Tromey <tromey@redhat.com>
505 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
507 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
509 PR target/27387
510 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
511 -mthumb -fPIC are used.
513 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
514 Joshua Kinard <kumba@gentoo.org>
516 PR target/25871
517 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
518 with 64-bit pointers.
520 2006-05-02 Paul Brook <paul@codesourcery.com>
522 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
523 and pool overlap.
524 (create_fix_barrier): Check that a suitable barrier location is
525 found.
526 (arm_reorg): Include ftmp->address in allowable range of addresses.
528 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
530 PR ada/27366
531 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
532 on Cygwin.
534 2006-05-02 Jakub Jelinek <jakub@redhat.com>
536 PR middle-end/27337
537 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
538 around RESULT_DECL for result passed by reference.
539 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
540 * omp-low.c (use_pointer_for_field): Don't look at
541 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
542 (scan_omp_1): Call remap_decl on RESULT_DECLs.
543 (lower_rec_input_clauses): Don't allocate VLA memory for the second
544 time or var for passing by reference for
545 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
546 TREE_ADDRESSABLE variables when passing by reference.
548 * omp-low.c (dump_omp_region): Fix output formatting.
550 PR middle-end/27328
551 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
552 (expand_omp_parallel): Likewise.
553 * tree-cfg.c (move_sese_region_to_fn): Likewise.
555 PR middle-end/27325
556 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
557 on statement list containing also constructors and destructors.
558 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
560 PR middle-end/27310
561 * except.c (duplicate_eh_regions): Fix clearing of
562 cfun->eh->region_array entries.
564 2006-05-01 DJ Delorie <dj@redhat.com>
566 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
567 build!=host.
568 (gcc_cv_objdump): Likewise.
569 * configure: Regenerated.
571 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
573 PR target/27374
574 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
575 templates for case 3 and 4.
577 2006-05-01 DJ Delorie <dj@redhat.com>
579 * vec.c: Include bconfig.h when appropriate.
580 * Makefile.in (build/vec.o): Adjust dependencies.
581 * mkconfig.sh: Make sure config.h isn't used for build machine
582 compiles.
584 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
586 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
587 variables.
588 (mark_phi_for_rewrite): New function.
589 (insert_phi_nodes_for, mark_use_interesting): Call
590 mark_phi_for_rewrite.
591 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
592 (update_ssa): Initialize and free phis_to_rewrite.
594 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
596 PR rtl-optimization/27291
597 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
598 folded to a constant.
600 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
602 PR tree-optimization/27283
603 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
604 not whole # of iteration descriptions.
605 (niter_for_exit): Return just # of iterations. Fail if # of iterations
606 uses abnormal ssa name.
607 (niter_for_single_dom_exit): Ditto.
608 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
609 return just the number of iterations.
611 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
613 PR tree-optimization/27144
614 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
615 (record_estimate): Only record constant upper bound.
616 (infer_loop_bounds_from_undefined): Call
617 compute_estimated_nb_iterations just once.
618 (proved_non_wrapping_p): Renamed to ...
619 (n_of_executions_at_most): ... this. Expect bound to be a constant.
620 (convert_step_widening, scev_probably_wraps_p): Call
621 n_of_executions_at_most instead of proved_non_wrapping_p.
622 (substitute_in_loop_info): Do not replace values in bounds.
623 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
624 comments.
626 2006-05-01 Richard Henderson <rth@redhat.com>
628 PR c/27358
629 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
630 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
631 CPP_PRAGMA.
633 2006-05-01 Roger Sayle <roger@eyesopen.com>
635 * c-typeck.c (parser_build_binary_op): Don't call the function
636 unsigned_conversion_warning to spot operand/result type overflow.
637 (build_binary_op): Instead, call convert_and_check instead of
638 convert to report the problem when the operands are promoted.
639 * c-common.c (unsigned_conversion_warning): Make static.
640 * c-common.h (unsigned_conversion_warning): Delete prototype.
642 2006-05-01 Richard Guenther <rguenther@suse.de>
644 PR tree-optimization/26726
645 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
646 problem ...
647 (find_interesting_uses_address): ... we work around here
648 by folding INDIRECT_REFs in the substituted base.
650 2006-05-01 Diego Novillo <dnovillo@redhat.com>
652 * omp-low.c (dump_omp_region): Add newlines.
654 2006-04-30 Roger Sayle <roger@eyesopen.com>
656 * common.opt (Woverflow): New command line option.
657 * c-common.c (constant_expression_warning): Check warn_overflow.
658 (overflow_waring): Pass OPT_Woverflow to warning.
659 (unsigned_conversion_warning): Likewise.
660 (convert_and_check): Likewise.
661 * doc/invoke.texi: Document new command line option.
663 2006-04-30 David Edelsohn <edelsohn@gnu.org>
665 * config/rs6000/rs6000.c (rs6000_override_options): Enable
666 TARGET_NO_FP_IN_TOC for section anchors.
667 (optimization_options): Enable section anchors for all
668 non-"Objective" languages.
670 2006-04-28 Eric Christopher <echristo@apple.com>
672 * config/darwin-c.c (darwin_ms_struct): Move this
673 (darwin_set_default_type_attributes): and this...
674 * config/darwin.c: ... here.
675 * config/darwin.h (darwin_ms_struct): Declare.
677 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
679 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
681 2006-04-28 Roger Sayle <roger@eyesopen.com>
683 PR c/25309
684 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
685 (push_array_bounds): Delete prototype. Change BOUNDS argument to
686 an unsigned HOST_WIDE_INT.
687 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
688 array index.
689 (really_start_incremental_init): No need to call convert because
690 bitsize_zero_node is already of type bitsizetype.
691 (push_init_level): Extract the value of constructor_index as an
692 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
693 (process_init_element): Likewise.
695 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
697 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
698 value before passing to make_relative_prefix.
700 2006-04-28 Alan Modra <amodra@bigpond.net.au>
702 PR middle-end/27260
703 * builtins.c (expand_builtin_memset): Expand val in original mode.
705 2006-04-27 Eric Christopher <echristo@apple.com>
707 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
708 with #ifndef/#endif.
709 * config/darwin-c.c (darwin_ms_struct): New.
710 (darwin_pragma_ms_struct): Ditto.
711 (darwin_set_default_type_attributes): Ditto.
712 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
713 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
714 Register ms_struct pragma.
715 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
716 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
717 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
718 darwin_set_default_type_attributes if TARGET_MACHO.
720 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
722 PR tree-optimization/26854
723 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
724 * doc/tree-ssa.texi: Update immuse iterator documentation.
725 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
726 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
727 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
728 first_safe_imm_use, next_safe_imm_use): Remove.
729 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
730 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
731 (move_use_after_head): New. Helper function to sort immuses in a stmt.
732 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
733 (first_imm_use_stmt): New. Get first stmt in an immuse list.
734 (next_imm_use_stmt): New. Get next stmt in an immuse list.
735 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
736 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
737 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
738 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
739 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
740 (perfect_nestify): Use new iterator.
741 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
742 iterator.
743 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
744 (next_imm_name): New field in struct immediate_use_iterator_d.
745 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
746 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
747 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
748 * tree-cfg.c (replace_uses_by): Use new iterator.
749 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
750 * tree-ssa-operands.c (correct_use_link): Remove.
751 (finalize_ssa_use_ops): No longer call correct_use_link.
753 2006-04-27 Stuart Hastings <stuart@apple.com>
755 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
756 * config/t-darwin (crt3.o): Use it.
757 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
758 'pmode', use Pmode instead of SImode for SYMBOL_REF.
759 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
760 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
761 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
762 support.
764 2006-04-27 Roger Sayle <roger@eyesopen.com>
766 * expmed.c (store_fixed_bit_field): If we're not optimizing for
767 size, force the intermediate into a new pseudo rather instead of
768 performing both a bitwise AND and a bitwise IOR in memory.
770 2006-04-27 Richard Guenther <rguenther@suse.de>
772 PR rtl-optimization/26685
773 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
774 this one "max-flow-memory-locations".
776 2006-04-27 Richard Guenther <rguenther@suse.de>
778 PR tree-optimization/25148
779 * tree-vrp.c (compare_values): Remove code dealing with
780 comparisons against type min/max value. Honour overflow
781 and negative constants in code dealing with comparisons
782 of plus and minus expressions.
783 (value_inside_range): Use fold_binary with LE_EXPR and
784 GE_EXPR rather than compare_values.
786 2006-04-27 Dirk Mueller <dmueller@suse.de>
788 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
789 prototype for SSE.
791 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
793 * basic-block.h (safe_insert_insn_on_edge): Removed.
794 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
796 2006-04-26 David Edelsohn <edelsohn@gnu.org>
797 Paolo Bonzini <bonzini@gnu.org>
799 PR middle-end/27282
800 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
801 (simplify_and_const_int): Same.
803 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
805 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
807 2006-04-26 Jakub Jelinek <jakub@redhat.com>
809 PR c/26171
810 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
811 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
812 cgraph_global_info_ready.
814 PR middle-end/26913
815 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
817 PR c/25996
818 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
819 either decl or init is error_mark_node.
821 PR middle-end/25989
822 * tree-flow.h (struct omp_region): Add sched_kind.
823 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
824 instead of extracting omp for data.
825 (expand_omp_for): Save extracted sched_kind.
827 2006-04-25 Roger Sayle <roger@eyesopen.com>
829 * expmed.c (store_bit_field): Also check whether the bitsize is
830 valid for the machine's "insv" instruction before moving the
831 target into a pseudo for use with the insv.
832 * config/i386/predicates.md (const8_operand): New predicate.
833 * config/i386/i386.md (extv, extzv, insv): Use the new
834 const8_operand predicate where appropriate.
836 2006-04-25 DJ Delorie <dj@redhat.com>
838 * doc/install.texi (Specific): Clarify that this is not a list of
839 supported hosts or targets.
841 2006-04-25 Richard Sandiford <richard@codesourcery.com>
843 PR rtl-optimization/26725
844 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
845 block's BB_DIRTY flag.
847 2006-04-25 Geoffrey Keating <geoffk@apple.com>
849 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
850 are no branches.
852 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
853 to print an integer.
855 2006-04-25 David Edelsohn <edelsohn@gnu.org>
857 * varasm.c (align_variable): New function.
858 (get_block_for_decl): Apply align_variable to DECL before
859 calculating section information.
860 (assemble_variable): Split out alignment computation.
862 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
864 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
865 machines.
867 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
869 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
870 MODE_PARTIAL_INT mode.
871 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
872 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
873 for CONST_INTs.
874 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
875 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
876 V2PDImode.
877 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
878 New predicates.
879 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
880 New constants.
881 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
882 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
883 MACFLAG_IH): Likewise.
884 (movstricthi_1): Renamed from "*movstricthi".
885 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
886 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
887 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
888 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
889 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
890 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
891 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
892 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
893 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
894 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
895 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
896 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
897 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
898 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
899 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
901 * doc/rtl.texi (ss_ashift): Improve wording.
903 2006-04-24 Geoffrey Keating <geoffk@apple.com>
905 * dwarf2out.c (verify_marks_clear): New.
906 (prune_unused_types): Call verify_marks_clear initially, not
907 prune_unmark_dies.
909 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
911 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
912 * doc/rtl.texi: Document them.
913 * simplify-rtx.c (simplify_unary_operation,
914 simplify_binary_operation_1): Don't abort when we see them.
916 2006-04-24 Mark Mitchell <mark@codesourcery.com>
918 Revert:
919 2006-04-23 Mark Mitchell <mark@codesourcery.com>
920 * configure.ac: Completely disregard languages that are not
921 enabled.
922 * configure: Regenerated.
924 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
925 Richard Guenther <rguenther@suse.de>
927 PR tree-optimization/27236
928 * tree-inline.c (copy_body_r): Make sure to copy
929 TREE_THIS_VOLATILE flag.
931 2006-04-24 Richard Guenther <rguenther@suse.de>
933 PR middle-end/26869
934 * tree-complex.c (update_parameter_components): Don't handle
935 unused parameters which have no default def.
937 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
938 Richard Guenther <rguenther@suse.de>
940 PR tree-optimization/27218
941 * tree-inline.c (expand_call_inline): Strip useless type
942 conversions for the return slot address.
944 2006-04-24 Richard Guenther <rguenther@suse.de>
946 * cfgloop.h (struct loops): Remove unused field array. Reorder
947 state after num.
948 (LOOP_PREFETCH): Remove.
950 2006-04-24 Richard Guenther <rguenther@suse.de>
952 PR tree-optimization/22525
953 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
954 variable, adjust types of generated expressions.
956 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
958 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
959 (tree-vect-patterns.o): Likewise.
960 (jump.o): Likewise.
961 (cselib.o): Likewise.
962 (loop-doloop.o): Likewise.
963 (regclass.o): Likewise.
964 (reload1.o): Likewise.
965 (explow.o): Replace target.h with $(TARGET_H).
966 (ipa-prop.o): Likewise.
967 (ipa-cp.o): Likewise.
968 (ipa-inline.o): Likewise.
969 (reorg.o): Likewise.
970 (reg-stack.o): Likewise.
972 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
974 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
976 2006-04-23 Mark Mitchell <mark@codesourcery.com>
978 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
980 * configure.ac: Completely disregard languages that are not
981 enabled.
982 * configure: Regenerated.
984 PR c++/26534
985 * c-common.h (c_build_bitfield_integer_type): Declare.
986 * c-decl.c (c_build_bitfield_integer_type): Move to ...
987 * c-common.c (c_build_bitfield_integer_type): ... here.
989 2006-04-23 Roger Sayle <roger@eyesopen.com>
991 PR target/21283
992 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
993 a SImode SUBREG of a floating point register after no_new_pseudos.
995 2006-04-23 Roger Sayle <roger@eyesopen.com>
997 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
998 identify potentially eliminable registers to additionally catch
999 VIRTUAL_INCOMING_ARGS_REGNUM.
1000 (addsi3): Update the conditions on when to use addsi_small_int.
1002 2006-04-23 Roger Sayle <roger@eyesopen.com>
1004 PR target/16641
1005 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1006 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1007 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1009 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1011 * fold-const.c (range_predecessor): Use operand_equal_p
1012 as the predicate for equality.
1013 (range_successor): Likewise.
1015 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1017 Revert:
1018 * config/soft-fp/op-common.h: Fix a typo.
1020 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1022 PR libmudflap/26864
1023 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1024 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1026 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1028 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1029 Fix comment typos.
1030 * doc/tm.texi: Fix a typo.
1032 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1034 * dwarf2out.c (struct die_struct): Document that die_sib makes
1035 a circular linked list.
1036 (FOR_EACH_CHILD): New.
1037 (reverse_die_lists): Delete.
1038 (reverse_all_dies): Delete.
1039 (add_dwarf_attr): Correct documentation.
1040 (remove_child_with_prev): New.
1041 (remove_child_TAG): Update for change to die_struct, use
1042 remove_child_with_prev.
1043 (add_child_die): Update for change to die_struct.
1044 (splice_child_die): Use remove_child_with_prev and add_child_die.
1045 (print_die): Use FOR_EACH_CHILD.
1046 (die_checksum): Likewise.
1047 (assign_symbol_names): Likewise.
1048 (output_location_lists): Likewise.
1049 (build_abbrev_table): Likewise.
1050 (calc_die_sizes): Likewise.
1051 (mark_dies): Likewise.
1052 (unmark_dies): Likewise.
1053 (unmark_all_dies): Likewise.
1054 (output_die): Likewise.
1055 (prune_unused_types_mark): Likewise.
1056 (prune_unused_types_walk): Likewise.
1057 (same_die_p): Update for change to die_struct.
1058 (break_out_includes): Likewise.
1059 (prune_unused_types_prune): Likewise.
1060 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1061 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1062 it's already clear.
1063 (dwarf2out_finish): Don't call reverse_all_dies.
1065 2006-04-21 Eric Christopher <echristo@apple.com>
1067 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1068 in comments and function names.
1070 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1072 PR c/25875
1073 * c-typeck.c (digest_init): Robustify.
1075 * c-typeck.c (pop_init_level): Simplify.
1077 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1079 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1081 2006-04-21 Paul Brook <paul@codesourcery.com>
1083 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1084 hardware floating point.
1086 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1088 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1089 NON_FLOAT_REGS.
1091 2006-04-21 Nick Clifton <nickc@redhat.com>
1093 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1094 OPT_EXTRA_PARTS.
1096 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1098 PR target/27230
1099 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1100 C++ lang type in traceback table for Objective-C++.
1102 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1104 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1106 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1108 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1110 PR mudflap/26789
1111 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1112 were errors. Remove check for erroneous objects.
1114 2006-04-20 Jeff Law <law@redhat.com>
1116 PR tree-optimization/26854
1117 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1118 checking for zero or one use.
1119 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1120 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1121 * tree-ssa-reassoc.c (negate_value): Similarly.
1122 (reassociate_bb): Similarly.
1124 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1126 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1127 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1128 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1130 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1132 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1133 fp regs if the last fp arg doesn't fit in regs.
1135 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1137 PR target/27182
1138 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1139 that the last insn has the REG_INC note.
1141 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1142 Nathan Sidwell <nathan@codesourcery.com>
1144 PR c/26774
1145 * stor-layout.c (update_alignment_for_field): Do not align
1146 ERROR_MARK nodes.
1147 (place_union_field): Place union field at the start of the union.
1148 (place_field): Move ERROR_MARK check later, and use the current
1149 allocation position to maintain monotonicity.
1151 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1153 * dominance.c: Include timevar.h.
1154 (calculate_dominance_info): Use TV_DOMINANCE.
1155 * timevar.def (TV_DOMINANCE): New timevar.
1156 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1158 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1160 PR rtl-optimization/14261
1161 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1162 move would be an INSV insn.
1163 (noce_process_if_block): Don't optimize if the destination is a
1164 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1166 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1168 * config/s390/s390.md: Add comments with the instructions emitted
1169 by an insn pattern if macros are used.
1171 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1173 PR rtl-optimization/26026
1174 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1175 is a known power of two shifted left a variable amount.
1177 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1179 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1180 to hash table twice when the debug_str section has SECTION_MERGE.
1182 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1184 * config/soft-fp: New directory. From glibc.
1185 * config/soft-fp/t-softfp: New.
1186 * config/soft-fp/README: New.
1187 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1188 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1189 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1190 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1191 * config.gcc: Use rs6000/t-fprules-fpbit or
1192 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1193 rs6000/t-fprules.
1194 * config/rs6000/sfp-machine.h: New. Based on glibc.
1195 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1196 New.
1197 * config/rs6000/t-fprules: Remove fp-bit rules.
1198 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1199 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1200 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1201 (softfp_wrap_start, softfp_wrap_end): New.
1203 2006-04-18 DJ Delorie <dj@redhat.com>
1205 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1207 2006-04-18 Devang Patel <dpatel@apple.com>
1209 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1211 2006-04-18 Nick Clifton <nickc@redhat.com>
1213 * config/sh/t-symbian: Add rule to build sh-c.o
1214 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1215 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1216 (sh_symbian_encode_section_info): Likewise.
1218 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1220 * builtins.c (expand_builtin_strcmp): Cover label definition of
1221 do_libcall with HAVE_cmpstrnsi.
1223 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1225 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1226 instead of VARRAY.
1227 * function.h (temp_slot_p): New.
1228 (function): Change the type of x_used_temp_slots to
1229 VEC(temp_slot_p,gc) *.
1231 2006-04-18 Nick Clifton <nickc@redhat.com>
1233 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1234 flag_strength_reduce.
1236 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1238 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1240 PR target/27117
1242 Partial revert of revision 112637
1243 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1244 Dale Johannesen <dalej@apple.com>
1246 PR target/19653
1247 * regclass.c (struct reg_pref): Update documentation.
1248 (regclass): Set prefclass to NO_REGS if memory is the best option.
1249 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1251 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1253 PR tree-optimization/26821
1254 * tree-ssa-math-opts.c (get_constant_one): New.
1255 (insert_reciprocals): Use it.
1257 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1259 * dwarf2out.c (free_AT): Delete.
1260 (remove_AT): Update string ref counts.
1261 (remove_child_TAG): Don't call free_die.
1262 (free_die): Delete.
1263 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1264 or DW_TAG_GNU_EINCL.
1265 (prune_unused_types_walk_attribs): Reset string refcounts.
1266 (prune_unused_types_update_strings): New.
1267 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1268 call free_die. Do call prune_unused_types_update_strings.
1269 (prune_unused_types): Empty debug_str_hash.
1271 2006-04-17 Roger Sayle <roger@eyesopen.com>
1273 * expr.c (expand_assignment): Optimize away no-op moves where the
1274 source and destination are equal and have no side-effects.
1276 2006-04-17 Richard Guenther <rguenther@suse.de>
1278 PR target/26826
1279 * reload.c (push_reload): Guard calls to get_secondary_mem
1280 for memory subregs.
1282 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1284 * alias.c (reg_base_value, old_reg_base_value): Change the
1285 type to VEC(rtx,gc) *.
1286 (REG_BASE_VALUE, find_base_value, record_set,
1287 init_alias_analysis): Use VEC instead of VARRAY.
1289 * alias.c (alias_sets): Change the type to
1290 VEC(alias_set_entry,gc) *.
1291 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1292 VEC instead of VARRAY.
1293 (last_alias_set): Remove.
1295 * cgraph.h (cgraph_edge_p): New.
1296 Update the prototype of cgraph_function_versioning.
1297 * cgraphunit.c (cgraph_copy_node_for_versioning,
1298 cgraph_function_versioning): Use VEC instead of VARRAY.
1299 * ipa-cp.c (ipcp_insert_stage): Likewise.
1301 2006-04-16 Roger Sayle <roger@eyesopen.com>
1303 PR target/26961
1304 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1305 "A op B" or "A op C", we may need to convert A to the type of B and C.
1307 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1309 * target.h (struct gcc_target): Add mode_rep_extended.
1310 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1311 (init_num_sign_bit_copies_in_rep): Initialize it using
1312 mode_rep_extended.
1313 (truncate_to_mode): Use it.
1314 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1315 * targhooks.h (default_mode_rep_extended): Declare it.
1316 * targhooks.c (default_mode_rep_extended): Define it.
1317 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1318 default_mode_rep_extended.
1319 (TARGET_INITIALIZER): Include it.
1320 * doc/tm.texi (Misc): Document it.
1321 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1322 (mips_truncated_to_mode): New function.
1324 2006-04-16 Roger Sayle <roger@eyesopen.com>
1326 PR middle-end/25474
1327 * expr.c (compress_float_constant): Copy the narrow constant into
1328 a new pseudo before extending it to its final width.
1330 2006-04-16 Roger Sayle <roger@eyesopen.com>
1331 Andrew Pinski <pinskia@gcc.gnu.org>
1332 Dale Johannesen <dalej@apple.com>
1334 PR target/24076
1335 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1336 special case code to implement V8HImode and V16QImode with SSE2.
1338 2006-04-15 Roger Sayle <roger@eyesopen.com>
1340 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1341 trees are constructed with a suitable tree type.
1343 2006-04-15 Roger Sayle <roger@eyesopen.com>
1345 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1346 (integer_onep): Likewise.
1347 (integer_all_onesp): Likewise.
1348 (integer_pow2p): Likewise.
1349 (integer_nonzerop): Likewise.
1350 (real_zerop): Likewise.
1351 (real_onep): Likewise.
1352 (real_twop): Likewise.
1353 (real_minus_onep): Likewise.
1354 (int_size_in_bytes): Likewise.
1355 (host_integerp): Likewise.
1357 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1359 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1360 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1361 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1363 * tree-ssa-structalias.h (alias_info): Remove num_references.
1365 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1367 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1368 (output_bvb patterns): Likewise.
1369 * pa.c (output_bb): Use 'bb' insn for long branch case.
1370 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1371 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1372 1. Correct length operand for alternatives 1 and 2.
1373 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1374 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1376 2006-04-14 Roger Sayle <roger@eyesopen.com>
1378 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1379 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1380 were accidentally reverted by r112959.
1382 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1384 PR middle-end/26823
1385 * except.h (eh_region_outermost): New prototype.
1386 * except.c (eh_region_outermost): New function.
1387 * tree-cfg.c (find_outermost_region_in_block): Use it.
1389 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1391 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1392 of VARRAY.
1393 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1394 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1395 (init_reload, reload): Use VEC instead of VARRAY.
1396 * reload.h: Update the prototype for
1397 reg_equiv_memory_loc_varray.
1399 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1400 Eric Botcazou <ebotcazou@libertysurf.fr>
1402 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1403 register save area.
1405 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1407 PR middle-end/27134
1408 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1409 to expand fallback builtin function call.
1411 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1413 PR middle-end/27095
1414 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1415 and emit libcall here in case the builtin fails.
1416 (expand_builtin_strcmp): Always emit the libcall here on failure.
1418 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1420 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1421 * flow.c (reg_n_info): Change the type to
1422 VEC(reg_info_p,heap) *.
1423 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1424 instead of VARRAY.
1425 * regs.h (reg_info_p): New.
1426 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1427 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1428 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1429 instead of VARRAY.
1431 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1433 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1434 defaulting to 100.
1435 * params.h (MAX_SCHED_READY_INSNS): New macro.
1436 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1437 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1438 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1439 the ready list for 1 cycle during the first scheduling pass.
1440 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1442 2006-04-13 Richard Henderson <rth@redhat.com>
1444 PR libgomp/26651
1445 * gimple-low.c (lower_omp_directive): Remove dead code.
1446 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1447 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1448 * omp-low.c (struct omp_region): Move to tree-flow.h.
1449 (root_omp_region): Export.
1450 (omp_regions, lookup_omp_region): Remove.
1451 (determine_parallel_type): Update for struct omp_region changes.
1452 (dump_omp_region): Dump regions with block numbers.
1453 (new_omp_region): Take type and block instead of stmt; malloc
1454 instead of ggc.
1455 (free_omp_region_1, free_omp_regions): New.
1456 (expand_parallel_call): Take entry_stmt as argument; update for
1457 changes to omp_region.
1458 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1459 (remove_exit_barriers): New.
1460 (expand_omp_parallel): Update for struct omp_region changes.
1461 (expand_omp_synch): Likewise.
1462 (expand_omp): Likewise.
1463 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1464 (expand_omp_for_static_chunk): Likewise.
1465 (expand_omp_for): Likewise.
1466 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1467 (expand_omp_sections): Similarly, with GOMP_sections_end.
1468 (expand_omp_single): New.
1469 (build_omp_regions_1): Update for OMP_CONTINUE.
1470 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1471 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1472 OMP_SECTIONS_SECTIONS.
1473 (lower_omp_single_simple): Don't emit barrier here.
1474 (lower_omp_single_copy): Likewise.
1475 (lower_omp_single): Fix bindings, and lower to straightline now.
1476 (lower_omp_master, lower_omp_ordered): Likewise.
1477 (lower_omp_critical): Likewise.
1478 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1479 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1480 omp edges, free it afterward.
1481 (make_omp_sections_edges): Remove.
1482 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1483 (move_stmt_r): Handle OMP_CONTINUE.
1484 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1485 statement pointers to basic blocks. Add type member.
1486 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1487 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1488 * tree-inline.c (estimate_num_insns_1): Likewise.
1489 * tree-pretty-print.c (dump_generic_node): Likewise.
1490 * tree-ssa-operands.c (get_expr_operands): Likewise.
1491 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1492 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1493 (OMP_CONTINUE): New.
1494 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1495 (OMP_SECTIONS_SECTIONS): Remove.
1496 (OMP_SECTION_LAST): New.
1497 (OMP_RETURN_NOWAIT): New.
1499 2006-04-13 Roger Sayle <roger@eyesopen.com>
1501 * fold-const.c (native_encode_vector, native_interpret_real):
1502 Correct obvious mistakes in the previous check-in.
1504 2006-04-13 Roger Sayle <roger@eyesopen.com>
1506 * fold-const.c (native_encode_expr): New function to encode
1507 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1508 or VECTOR_CST into a specified buffer.
1509 (native_encode_int): New function.
1510 (native_encode_real): New function.
1511 (native_encode_complex): New function.
1512 (native_encode_vector): New function.
1513 (native_interpret_expr): Inverse of native_encode_expr to convert
1514 a target representation into an INTEGER_CST, REAL_CST etc...
1515 (native_interpret_int): New function.
1516 (native_interpret_real): New function.
1517 (native_interpret_complex): New function.
1518 (native_interpret_vector): New function.
1519 (fold_view_convert_expr): New function to constant fold/evaluate
1520 a VIEW_CONVERT_EXPR of a suitable constant expression.
1521 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1522 Change call of build1 to fold_build1 when constructing a
1523 VIEW_CONVERT_EXPR.
1525 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1526 Ulrich Weigand <uweigand@de.ibm.com>
1528 PR target/27006
1529 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1530 to be even.
1532 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1534 PR target/26459
1535 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1536 optimize to lo_sum for DFmode if !TARGET_FPRS.
1538 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1540 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1541 delete_alias_info, compute_flow_sensitive_aliasing,
1542 group_aliases): Use VEC instead of VARRAY.
1543 * tree-ssa-structalias.c (update_alias_info): Likewise.
1544 * tree-ssa-structalias.h (alias_info): Change the type of
1545 processed_ptrs to VEC(tree,heap) *.
1547 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1549 PR target/27060
1550 * config/sh/lib1funcs.h: New file, broken out of:
1551 * config/sh/lib1funcs.asm.
1552 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1553 New macros.
1554 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1555 * config/sh/lib1funcs-Os-4-200.asm: New file.
1556 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1557 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1558 (EXTRA_MULTILIB_PARTS): Include it.
1559 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1560 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1561 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1562 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1563 TARGET_SH2.
1565 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1567 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1568 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1569 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1570 VARRAY.
1571 * tree-ssa-live.h: Include vecprim.h.
1572 (tree_partition_associator_d): Change the type of
1573 first_partition to VEC(int,heap) *.
1574 (tpa_first_partition): Use VEC instead of VARRAY.
1576 * Makefile.in (GTFILES): Move functions.h after tree.h.
1577 * function.c (reset_block_changes, record_block_change,
1578 check_block_change, free_block_changes): Use VEC instead of
1579 VARRAY.
1580 * function.h (function): Change the type of
1581 ib_boundaries_block to VEC(tree,gc) *.
1582 * tree-inline.c (copy_cfg_body): Initialize
1583 ib_boundaries_block to NULL instead of (varray_type) 0.
1585 2006-04-12 Roger Sayle <roger@eyesopen.com>
1587 * expr.c (emit_group_store): Correct operand order in call to
1588 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1589 a SUBREG_BYTE of zero.
1591 2006-04-12 Richard Guenther <rguenther@suse.de>
1593 * profile.c (compute_branch_probabilities): Remove code
1594 encapsulated in !ir_type (), which are remanents of the
1595 removed RTL profiling code.
1596 * rtl-profile.c: Remove.
1598 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1600 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1601 magic NULL_RTX comment.
1602 (function_arg): Store entire fp arg to mem if any part should go
1603 on stack.
1604 (rs6000_arg_partial_bytes): Adjust for above change.
1606 2006-04-11 Roger Sayle <roger@eyesopen.com>
1608 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1609 if it hasn't been initialized by dwarf2out_init.
1611 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1613 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1614 symbolic constants in branch patterns.
1616 2006-04-11 Roger Sayle <roger@eyesopen.com>
1618 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1620 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1622 PR rtl-optimization/27073
1623 * gcse.c (try_replace_reg): Revert last change. Continue to search
1624 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1625 on the former.
1627 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1629 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1630 aggregate types other than record and union types.
1631 (function_arg): Likewise.
1632 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1633 small arrays.
1634 (function_value): In 64-bit mode, return objects that require it
1635 in FP registers.
1637 2006-04-11 Roger Sayle <roger@eyesopen.com>
1639 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1641 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1643 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1645 2006-04-03 Jeff Law <law@redhat.com>
1647 PR/27087
1648 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1649 alias information too.
1651 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1653 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1655 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1657 PR/21391
1658 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1659 (premark_used_types_helper): New.
1660 (premark_used_types): New.
1661 (gen_subprogram_die): Call premark_used_types.
1662 (prune_unused_types_walk): Do not prune perennial dies.
1663 * function.c (used_types_insert): New.
1664 * function.h (struct function): Add used_types_hash field.
1665 (used_types_insert): Add prototype.
1666 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1667 * c-parser.c (c_parser_cast_expression): Save casted types in used
1668 types hash table.
1670 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1672 PR target/26459
1673 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1674 rs6000_explicit_options.float_gprs.
1676 2006-04-10 Roger Sayle <roger@eyesopen.com>
1678 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1679 from ix86_expand_vector_init_low_nonzero. Take an additional
1680 one_var argument indicating which element is non-zero. Support
1681 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1682 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1683 with one_var instead of ix86_expand_vector_init_low_nonzero.
1685 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1687 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1688 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1689 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1690 build/genextract.o): Depend on vecprim.h.
1691 * cfglayout.c, df-problems.c, function.c, genextract.c,
1692 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1693 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1694 vecprim.h.
1695 * vecprim.h: New.
1697 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1699 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1700 Declare VECs of this type.
1701 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1702 (remove_children): Delete.
1703 (add_dwarf_attr): Use VEC routines.
1704 (add_AT_flag): Update for changes to add_dwarf_attr.
1705 (add_AT_int): Likewise.
1706 (add_AT_unsigned): Likewise.
1707 (add_AT_long_long): Likewise.
1708 (add_AT_vec): Likewise.
1709 (add_AT_string): Likewise.
1710 (add_AT_die_ref): Likewise.
1711 (add_AT_fde_ref): Likewise.
1712 (add_AT_loc): Likewise.
1713 (add_AT_loc_list): Likewise.
1714 (add_AT_addr): Likewise.
1715 (add_AT_lbl_id): Likewise.
1716 (add_AT_lineptr): Likewise.
1717 (add_AT_macptr): Likewise.
1718 (add_AT_offset): Likewise.
1719 (add_AT_range_list): Likewise.
1720 (get_AT): Use VEC_iterate.
1721 (remove_AT): Use VEC_ordered_remove.
1722 (free_die): Fold remove_children into here; have it use VEC_iterate.
1723 (print_die): Use VEC_iterate on attrs.
1724 (reverse_die_lists): Don't reverse attr lists.
1725 (die_checksum): Use VEC_iterate on attrs.
1726 (same_die_p): Likewise.
1727 (output_location_lists): Likewise.
1728 (build_abbrev_table): Likewise.
1729 (size_of_die): Likewise.
1730 (unmark_all_dies): Likewise.
1731 (output_abbrev_section): Likewise.
1732 (output_die): Likewise.
1733 (prune_unused_types_walk_attribs): Likewise.
1735 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1737 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1739 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1741 PR debug/27057
1742 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1744 2006-04-09 Roger Sayle <roger@eyesopen.com>
1746 * expr.c (store_constructor): Don't bother clearing target if
1747 we're about to assign a vector to it using vec_init_optab.
1749 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1751 * tree-ssa-alias.c (lhs_may_store_to): New function.
1752 (recalculate_used_alone): Handle LHS of calls.
1754 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1756 PR target/27034
1757 PR target/26508
1758 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1759 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1760 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1761 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1762 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1763 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1764 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1765 stubs. Add ".align 8" directives before all ".dword" directives.
1766 (GTHREAD_USE_WEAK): Revise comment.
1767 (TARGET_ATTRIBUTE_WEAK): Define.
1768 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1769 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1770 * stublib.c: New file.
1772 PR target/26743
1773 PR target/11254
1774 PR target/10274
1775 * pa.md (cbranch patterns): Revise arguments used in calls to
1776 output_cbranch, output_bb and output_bvd. Add long branch length
1777 attributes.
1778 (fbranch patterns): Handle long branches.
1779 (jump): Revise length check. Revise arguments for output_lbranch call.
1780 Add long branch length attributes.
1781 (decrement_and_branch_until_zero): Add long branch length attributes.
1782 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1783 Likewise. Revise arguments for output_parallel_addb and
1784 output_parallel_movb calls.
1785 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1786 output_parallel_movb and output_parallel_addb): Update prototypes.
1787 * pa.c (output_cbranch): Revise arguments. Correct handling of
1788 nullification in long branches.
1789 (output_lbranch): Add new argument to control extraction of delay
1790 instruction.
1791 (output_bb): Handle long branches.
1792 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1793 output_parallel_addb): Likewise.
1795 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1797 PR rtl-optimization/27073
1798 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1799 not REG_EQUIVs.
1801 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1803 * tree.h (tree_memory_tag): Add old_used_alone.
1804 (SMT_OLD_USED_ALONE): New macro.
1805 * tree-ssa-alias.c (recalculate_used_alone): Stop
1806 marking things for renaming unnecessarily.
1808 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1810 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1811 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1812 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1813 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1814 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1815 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1816 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1817 spelling convensions.
1818 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1819 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1820 typos. Follow spelling conventions.
1822 2006-04-07 DJ Delorie <dj@redhat.com>
1824 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1825 passed on the stack.
1826 (m32c_init_cumulative_args): When a function returns a structure,
1827 always pass the pointer to that return area on the stack.
1828 (m32c_function_arg_advance): Don't increment the parameter number
1829 if we're processing the returned structure pointer.
1830 (pushm_info): Reverse order of registers.
1832 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1834 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1835 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1836 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1837 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1838 build_int_cst_type.
1839 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1840 chrec_fold_multiply): Same.
1841 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1842 force_expr_to_var_cost): Same.
1843 * tree-mudflap.c (mf_xform_derefs_1): Same.
1844 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1846 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1848 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1849 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1850 insn.
1852 2006-04-07 Jan Hubicka <jh@suse.cz>
1854 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1856 2006-04-07 Richard Guenther <rguenther@suse.de>
1858 PR tree-optimization/26135
1859 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1860 loads for store copy-prop.
1861 (copy_prop_visit_stmt): Likewise.
1863 2006-04-05 Robert Millan <robertmh@gnu.org>
1865 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1866 being overriden in config/k*bsd-gnu.h.
1867 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1868 DYNAMIC_LINKER.
1869 * gcc/config/knetbsd-gnu.h: Ditto.
1871 2006-04-06 Jan Hubicka <jh@suse.cz>
1873 PR profile/20815
1874 PR profile/26399
1875 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1876 after buffer.
1878 2006-04-06 Mike Stump <mrs@apple.com>
1880 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1881 for HAVE_nonlocal_goto to be consistent.
1882 (expand_builtin_nonlocal_goto): Likewise.
1883 (expand_builtin_strcmp): Use #ifdef instead of #if
1884 for HAVE_cmpstrnsi to be consistent.
1886 2006-04-05 DJ Delorie <dj@redhat.com>
1888 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1889 vs m32c.
1891 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1893 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1894 got-relative addressing for anything but SImode.
1896 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1897 even if the calling function doesn't modify them.
1899 2006-04-05 Richard Guenther <rguenther@suse.de>
1901 PR tree-optimization/26919
1902 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1903 to cgraph_estimate_size_after_inlining.
1905 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1907 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1909 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1911 PR tree-optimization/26996
1912 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1913 VECTOR_TYPE variables.
1915 2006-04-05 Richard Guenther <rguenther@suse.de>
1917 PR tree-optimization/26763
1918 * fold-const.c (fold_comparison): Move folding of
1919 PTR + CST CMP PTR + CST ...
1920 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1922 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1924 * doc/install.texi (Prerequisites): Refine some wording on
1925 bootstrapping and ksh.
1926 Move the version numbers of DejaGnu here from the testing section
1927 and fix casing of names.
1928 Fix markup and clarify wording for autogen requirements.
1929 Refer to GCJ instead of just java.
1930 Refer to SVN instead of CVS.
1931 Describe diffutils as useful instead of necessary.
1932 (Downloading the source): Refer to SVN instead of CVS.
1933 Adjust a link to our web site accordingly.
1934 (Configuration): Fix casing of Bison.
1935 (Building): Refer to SVN instead of CVS.
1936 Fix a sentence on the use of Bison and remove duplicate (and
1937 incorrect) version number of Bison requirement.
1938 Remove one redundant list of packages needed for building.
1939 (Specific): Avoid reference to CVS.
1941 2006-04-04 Eric Christopher <echristo@apple.com>
1943 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1944 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1945 (rs6000_handle_struct_attribute): New.
1946 (rs6000_ms_bitfield_layout_p): Ditto.
1948 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1950 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1951 NULL for dso parameter to atexit_common.
1953 2006-04-04 Eric Christopher <echristo@apple.com>
1955 * config/i386/i386.c (machopic_output_stub): Output \t
1956 between instructions and operands.
1958 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1960 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1961 satisfies_constraint_[IL] to explicit tests on value.
1963 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1965 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1966 set_nb_iterations_in_loop): Use build_int_cst instead of
1967 build_int_cst_type.
1968 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1969 build_int_cst instead of convert.
1971 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1973 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1974 new value 2 for incoming.
1975 * function.c (expand_function_start): Call struct_value_rtx
1976 with incoming as 2.
1977 * config/sparc/sparc.md: Comment updated_return.
1978 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1979 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1980 struct return if sparc_std_struct_return and incoming is 2.
1981 (print_operand): Do not adjust return if
1982 sparc_std_struct_return.
1984 2006-04-04 Roger Sayle <roger@eyesopen.com>
1986 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1987 convert in the middle-end.
1988 * expr.c (store_expr, store_constructor, get_inner_reference,
1989 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1990 Likewise.
1991 * tree.c (build_range_type): Likewise.
1993 2006-04-04 Tom Tromey <tromey@redhat.com>
1995 * doc/install.texi (Prerequisites): Mention jar.
1997 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1999 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2000 subsection.
2002 2006-04-04 Matthias Klose <doko@debian.org>
2004 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2005 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2006 strings.
2008 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2010 * doc/extend.texi (Function Attributes): Rewrite visibility
2011 attribute documentation.
2012 * doc/invoke.texi (C++ Dialect Options): Rewrite
2013 -fvisibility-inlines-hidden documentation to describe something
2014 entirely different, although in practise compatible.
2015 (Code Gen Options): Warn about system headers in -fvisibiltity=
2016 documentation.
2018 * doc/extend.texi (Other Builtins): Document that
2019 __builtin_nan is a compile-time constant only when its argument
2020 is valid.
2022 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2024 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2025 trying to remove TRUNCATE check if all bits outside the new mode
2026 are identical to the sign bit.
2028 2006-04-03 Jeff Law <law@redhat.com>
2030 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2031 and operand scanning in some common cases.
2033 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2034 Dale Johannesen <dalej@apple.com>
2036 PR target/19653
2037 * regclass.c (struct reg_pref): Update documentation.
2038 (regclass): Set prefclass to NO_REGS if memory is the best option.
2039 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2040 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2041 into account. For non-registers, equate an empty preferred
2042 reload class to a `!' in the constraint; move the if clause to
2043 do so after those that reject the insn.
2044 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2045 return NO_REGS.
2046 (find_dummy_reload): Likewise.
2047 * doc/tm.texi (Register Classes): Document what it means
2048 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2049 * config/i386/i386.c (ix86_preferred_reload_class): Force
2050 using SSE registers (and return NO_REGS for floating-point
2051 constants) if math is done with SSE.
2052 (ix86_preferred_output_reload_class): New.
2053 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2054 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2055 * config/i386/i386.md: Remove # register preferences.
2057 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2059 PR bootstrap/26992
2060 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2061 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2062 the type of nb_iter.
2063 (instantiate_parameters_1): Convert the operands before calling
2064 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2065 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2067 2006-04-02 Roger Sayle <roger@eyesopen.com>
2069 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2070 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2071 instead of convert.
2072 * dojump.c (do_jump): Likewise.
2073 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2074 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2075 gimplify_boolean_expr): Likewise.
2076 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2077 * varasm.c (array_size_for_constructor): Likewise.
2078 * tree-object-size.c (compute_object_offset): Likewise.
2080 2006-04-02 Roger Sayle <roger@eyesopen.com>
2082 PR middle-end/26977
2083 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2084 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2086 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2088 PR tree-optimization/26939
2089 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2091 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2093 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2094 at_stmt. Convert the type of operands before calling
2095 build_polynomial_chrec.
2096 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2097 add_to_evolution_1.
2098 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2099 (instantiate_parameters_1): Convert the type of operands before calling
2100 build_polynomial_chrec.
2101 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2102 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2103 reset_evolution_in_loop): Insert asserts to check the types of the
2104 operands.
2105 (chrec_type): Moved...
2106 (eq_evolutions_p): Use operand_equal_p.
2107 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2108 the types of the operands.
2109 (chrec_type): ...here.
2110 * tree-data-ref.c (create_data_ref): Convert the operands before
2111 calling chrec_replace_initial_condition.
2112 (same_access_functions, analyze_subscript_affine_affine,
2113 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2114 (compute_subscript_distance, analyze_ziv_subscript,
2115 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2116 analyze_miv_subscript): Convert the operands before calling
2117 chrec_fold_minus or chrec_fold_plus.
2119 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2121 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2122 the dependence_relations vector.
2123 (compute_data_dependences_for_loop): Adjust call to
2124 compute_all_dependences.
2126 2006-04-01 Roger Sayle <roger@eyesopen.com>
2127 Richard Henderson <rth@redhat.com>
2129 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2130 gimple_boolify on the condition before calling gimplify_expr.
2132 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2134 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2135 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2136 the frame size. Update to use the new macros.
2137 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2138 * config/xtensa/ieee754-df.S: Likewise.
2140 2006-03-31 Richard Henderson <rth@redhat.com>
2142 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2143 (make_edges): ... here. Control fallthru creation with a local
2144 variable. Do not play with fake edges.
2145 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2146 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2147 a boolean.
2149 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2151 * dwarf2.h (DW64_CIE_ID): Define.
2152 * dwarf2out.c (DWARF_CIE_ID): Define.
2153 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2154 length header. Use DWARF_CIE_ID.
2155 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2156 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2158 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2160 * config/sh/linux-atomic.asm: New file.
2161 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2163 2006-03-31 DJ Delorie <dj@redhat.com>
2165 * config/m32c/cond.md: Set condition flags properly throughout.
2166 * config/m32c/minmax.md: Likewise.
2167 * config/m32c/prologue.md: Likewise.
2168 * config/m32c/bitops.md: Likewise.
2169 * config/m32c/muldiv.md: Likewise.
2170 * config/m32c/mov.md: Likewise.
2171 * config/m32c/addsub.md: Likewise.
2172 * config/m32c/m32c.md: Likewise.
2173 * config/m32c/jump.md: Likewise.
2174 * config/m32c/shift.md: Likewise.
2176 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2177 conditionally output the pattern for this.
2178 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2179 (m32c_compare_redundant): New.
2180 (m32c_output_compare): New.
2181 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2183 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2184 dest, not src. Allow other 4-byte modes.
2186 2006-03-30 Denis Chertykov <denisc@overta.ru>
2188 * doc/md.texi: Refer to avr/constraints.md instead of
2189 avr/avr.h.
2191 2006-03-30 Roger Sayle <roger@eyesopen.com>
2193 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2194 signed vs. unsigned comparison failures on some hosts.
2196 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2198 PR target/26459
2199 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2200 change to FLOAT_REGS.
2202 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2203 (rs6000_override_options): Use it.
2204 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2205 only for -mabi=spe/no-spe and -mabi=altivec.
2207 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2209 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2210 !Zdynamiclib.
2212 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2214 * Makefile.in: Rename docdir to gcc_docdir.
2216 2006-03-30 Roger Sayle <roger@eyesopen.com>
2218 PR target/17959
2219 * expr.c (emit_group_store): Optimize group stores into a pseudo
2220 register by using a paradoxical subreg to initialize the destination
2221 if the first or last member of the group specifies a "low part".
2223 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2225 PR target/26734
2226 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2227 * target.h (struct gcc_target.speculate_insn): Change type of the
2228 second parameter to 'int'.
2229 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2230 the second operand of the DEPS_LIST.
2231 (copy_DEPS_LIST_list): Update reference to the second operand of the
2232 DEPS_LIST.
2233 * rtl.h (alloc_DEPS_LIST): Update signature.
2234 * sched-int.h (ds_t): Change typedef to 'int'.
2235 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2237 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2239 * haifa-sched.c (try_ready): Change condition to restore
2240 non-speculative pattern of the instruction.
2241 (process_insn_depend_be_in_spec): Code to keep probability of the
2242 speculative dependence non-decreasing.
2244 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2246 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2247 (single_move_for_movmem): ... this. Also change all uses.
2248 (bfin_expand_strmov): Renamed to...
2249 (bfin_expand_movmem): ... this. Also change all uses.
2250 * config/bfin/bfin.md (movstrsi): Renamed to...
2251 (movstrsi): ...this.
2253 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2255 PR tree-optimization/26830
2257 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2258 (copy_prop_visit_stmt): Remove write-only variable ann.
2259 (init_copy_prop): Check variable loop depth here. Do not simulate
2260 memory-tag and virtual operand PHIs except for store copy prop.
2262 2006-03-30 Richard Guenther <rguenther@suse.de>
2264 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2265 variants with double arguments.
2267 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2269 * genpreds.c (write_tm_constrs_h): Delete variable p.
2270 * genconditions.c (write_header): Add tm-constrs.h to included
2271 headers.
2272 * genpeep.c (main): Add toplev.h to included headers.
2273 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2274 (build/genpeep.o): Add toplev.h dependency.
2275 * config/rs6000/constraints.md: Add "W" constraint.
2277 2006-03-29 Roger Sayle <roger@eyesopen.com>
2279 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2280 sizes by correctly testing whether the size fits a host integer.
2281 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2282 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2283 SImode range for the default sizetype and bitsizetype.
2285 2006-03-29 Roger Sayle <roger@eyesopen.com>
2287 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2288 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2289 quickly if the argument is already of the correct type.
2290 Call fold_build1 instead of build1. Tidy up blank lines.
2292 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2294 * genemit.c (main): Add tm-constrs.h to included headers.
2295 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2296 * genpeep.c (main): Add tm-constrs.h to included headers.
2297 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2298 (write_tm_constrs_h): this and write complete file.
2299 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2300 (write_insn_preds_c): Add tm-constrs.h to included headers.
2301 (gen_constrs): New variable.
2302 (parse_option): Parse "-c".
2303 (main): Invoke write_tm_constrs_h.
2304 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2305 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2306 (object_out_file): Add tm-constrs.h dependency.
2307 (insn-emit.o): Same.
2308 (insn-output.o): Same.
2309 (insn-peep.o): Same.
2310 (insn-preds.o): Same.
2311 (insn-recog.o): Same.
2312 (tm-constsr.h): New target.
2313 (s-constrs-h): New target.
2315 * config/rs6000/constraints.md: New file.
2316 * config/rs6000/rs6000.c: Include tm-constrs.h.
2317 (num_insn_constant_wide): Convert to satisfies_constraint.
2318 (rs6000_rtx_costs): Convert to satisfies_constraint.
2319 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2320 (CONST_OK_FOR_LETTER_P): Delete.
2321 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2322 (EXTRA_CONSTRAINT): Delete.
2323 (EXTRA_MEMORY_CONSTRAINT): Delete.
2324 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2325 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2326 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2327 satisfies_constraint.
2329 * config/i386/i386.c: Include tm-constrs.h.
2331 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2333 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2334 * tree-data-ref.c (find_data_references_in_loop,
2335 compute_data_dependences_for_loop): Use pointers to VEC.
2336 (analyze_all_data_dependences): Adjust calls.
2337 * tree-data-ref.h (find_data_references_in_loop,
2338 compute_data_dependences_for_loop): Adjust declarations.
2339 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2340 compute_data_dependences_for_loop.
2342 2006-03-29 Paul Brook <paul@codesourcery.com>
2344 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2345 (movdf_vfp): Ditto.
2347 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2349 PR tree-optimization/26859
2350 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2351 division by zero.
2352 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2353 for the step after fold_convert.
2355 2006-03-29 Paul Brook <paul@codesourcery.com>
2357 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2358 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2360 2006-03-29 Paul Brook <paul@codesourcery.com>
2362 PR middle-end/23623
2363 * targhooks.c (default_narrow_bitfield): New fuction.
2364 * targhooks.h (default_narrow_bitfield): add prototype.
2365 * target.h (gcc_target): Add narrow_volatile_bitfield.
2366 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2367 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2368 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2369 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2371 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2373 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2374 tmake_file.
2375 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2376 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2377 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2378 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2379 (s390_function_arg_float): Allow SDmode and DDmode values to be
2380 passed in floating point registers.
2381 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2382 check with SCALAR_FLOAT_MODE_P.
2383 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2385 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2387 PR tree-optimization/25985
2388 * tree-ssa-loop-niter.c (number_of_iterations_le,
2389 number_of_iterations_ne): Make comments more precise.
2390 (number_of_iterations_cond): Add only_exit argument. Use the
2391 fact that signed variables do not overflow only when only_exit
2392 is true.
2393 (loop_only_exit_p): New.
2394 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2395 number_of_iterations_cond.
2397 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2399 PR tree-optimization/26643
2400 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2401 bit_field_refs.
2403 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2405 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2406 (divsi3_i4_int): Likewise.
2408 2006-03-28 Roger Sayle <roger@eyesopen.com>
2410 * expr.c (emit_group_store): Only create a new pseudo reg if the
2411 quantity it needs to hold isn't already a suitable pseudo.
2413 2006-03-28 Jeff Law <law@redhat.com>
2415 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2416 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2418 2006-03-28 Roger Sayle <roger@eyesopen.com>
2420 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2421 the equivalent ~X & Y, and the symmetry related transformations.
2422 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2423 ~X & Y, and symmetry related transforms.
2425 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2427 Revert my 2006-03-27 patches.
2429 2006-03-28 Roger Sayle <roger@eyesopen.com>
2431 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2432 ~(T1)X, when T1 and T2 are integer types of the same precision
2433 and (T2)X isn't an extension.
2435 2006-03-28 Jeff Law <law@redhat.com>
2437 PR tree-optimization/26796
2438 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2439 need EH edge cleanups rather than purging them immediately.
2440 (eliminate_degenerate_phis): Handle queued EH cleanups.
2442 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2444 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2445 from parent_var.
2447 2006-03-27 Roger Sayle <roger@eyesopen.com>
2449 PR middle-end/22524
2450 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2451 cast BIT_NOT_EXPR operand to the correct type.
2453 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2455 * tree-loop-linear.c: Don't include varray.h.
2456 (gather_interchange_stats, try_interchange_loops,
2457 linear_transform_loops): Use VEC instead of VARRAY.
2458 * lambda-mat.c: Don't include varray.h.
2459 * tree-chrec.c: Same.
2460 * lambda-trans.c: Same.
2461 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2462 VEC instead of VARRAY.
2463 * tree-vectorizer.h: Idem.
2464 * tree-data-ref.c (dump_data_references,
2465 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2466 initialize_data_dependence_relation, finalize_ddr_dependent,
2467 compute_all_dependences, find_data_references_in_loop,
2468 compute_data_dependences_for_loop, analyze_all_data_dependences,
2469 free_dependence_relation, free_dependence_relations,
2470 free_data_refs): Idem.
2471 * tree-data-ref.h (data_reference_p, subscript_p): New.
2472 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2473 VEC instead of VARRAY.
2474 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2475 (find_data_references_in_loop, compute_data_dependences_for_loop,
2476 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2477 dump_data_dependence_relations, free_dependence_relations,
2478 free_data_refs): Adjust declaration.
2479 (lambda_transform_legal_p): Move declaration here...
2480 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2481 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2482 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2483 vect_analyze_data_refs): Use VEC instead of VARRAY.
2484 * lambda.h (lambda_transform_legal_p): ...from here.
2485 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2486 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2487 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2488 tree-chrec.o): Don't depend on VARRAY_H.
2490 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2492 * rtl.def (Copyright): Update date.
2493 (DEPS_LIST): Change type of the second operand to 'int'.
2494 * target.h (Copyright): Update date.
2495 (struct gcc_target.speculate_insn): Change type of the second parameter
2496 to 'int'.
2497 * lists.c (Copyright): Update date.
2498 (alloc_DEPS_LIST): Change signature. Update reference to the second
2499 operand of the DEPS_LIST.
2500 (copy_DEPS_LIST_list): Update reference to the second operand of the
2501 DEPS_LIST.
2502 * rtl.h (Copyright): Update date.
2503 (alloc_DEPS_LIST): Update signature.
2504 * sched-int.h (Copyright): Update date.
2505 (ds_t): Change typedef to 'int'.
2506 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2508 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2510 * haifa-sched.c (Copyright): Update date.
2511 (try_ready): Change condition to restore non-speculative pattern
2512 of the instruction.
2513 (process_insn_depend_be_in_spec): Code to keep probability of the
2514 speculative dependence non-decreasing.
2516 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2518 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2519 shut up the compiler.
2521 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2523 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2524 to use lib prefix for target.
2525 ($(T)libic_invalidate_array_4-200.a): Likewise.
2526 ($(T)libic_invalidate_array_4a.a): Likewise.
2528 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2529 J"orn Rennecke <joern.rennecke@st.com>
2531 * superh.opt: New file.
2532 * sh.c (boardtype, osruntime): Remove.
2533 * superh.h (SUBTARGET_OPTIONS): Remove.
2534 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2536 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2537 arguments with ^ and/or [].
2539 * config.gcc (sh-*-*): Add quoting to account for quirk of
2540 Solaris /bin/sh.
2541 Replace == with = in enable_incomplete_targets test.
2543 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2544 with MASK_LITTLE_ENDIAN.
2546 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2547 * config/sh/sh.opt: Added to some comments.
2548 * config/sh/superh.h: Removed some chaff.
2550 * config/sh/sh.opt: Add m4-[1234]00* options.
2551 * config/sh/sh.c (sh_handle_option): Likewise.
2552 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2553 (ic_invalidate_array_4-100.o): New rule.
2554 ($(T)libic_invalidate_array_4-100.a): Likewise.
2555 (ic_invalidate_array_4-200.o): Likewise.
2556 ($(T)libic_invalidate_array_4-200.a): Likewise.
2557 (ic_invalidate_array_4a.o): Likewise.
2558 ($(T)libic_invalidate_array_4a.a): Likewise.
2559 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2560 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2561 m4-200*, and m4a*.
2562 * config/sh/crt1.asm: Merged in profiling code.
2563 * config/sh/superh.h (STARTFILE_SPEC): Override.
2564 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2565 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2566 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2568 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2569 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2570 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2572 * sh.opt (mpretend-cmove): New option.
2573 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2574 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2575 (movsicc): Add TARGET_PRETEND_CMOVE code.
2577 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2579 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2580 s390_class_max_nregs): New function prototypes.
2581 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2582 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2583 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2584 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2586 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2588 * dwarf2out.c (add_location_or_const_value_attribute): Call
2589 tree_add_const_value_attribute if nothing else works.
2590 (reference_to_unused): New.
2591 (rtl_for_decl_init): Use reference_to_unused to decide whether
2592 to output an initializer.
2594 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2596 PR target/26459
2597 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2598 peephole removing spe frob_di_df_2.
2600 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2602 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2603 (subscript_dependence_tester_1): Declared.
2604 (print_dir_vectors, print_dist_vectors): New.
2605 (debug_data_dependence_relation): New.
2606 (dump_data_dependence_relation): Print more details.
2607 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2608 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2609 (save_dist_v, save_dir_v, add_outer_distances,
2610 build_classic_dist_vector_1): New.
2611 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2612 Don't test for lambda_vector_lexico_pos.
2613 (same_access_functions, add_multivariate_self_dist,
2614 add_other_self_distances, dir_from_dist): New.
2615 (build_classic_dir_vector): Replace implementation almost identical to
2616 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2617 dir_from_dist.
2618 (subscript_dependence_tester_1): New.
2619 (subscript_dependence_tester): Handle the lexicographically negative
2620 distance vectors by recomputing the dependence relation.
2621 (compute_affine_dependence): Remove parameter loop_nest_depth.
2622 (compute_self_dependence): Don't call compute_subscript_distance.
2623 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2624 Add a parameter for the loop_nest.
2625 (find_loop_nest_1, find_loop_nest): New.
2626 (compute_data_dependences_for_loop): Compute the loop nest, and give
2627 up if the nest is not well formed.
2628 * tree-data-ref.h (loop_p): New.
2629 (struct data_dependence_relation): Replace size_vect field with
2630 loop_nest, a vec of loops.
2631 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2632 (DDR_LOOP_NEST): New.
2633 (print_dir_vectors, print_dist_vectors,
2634 debug_data_dependence_relation): Declared.
2635 (index_in_loop_nest): New.
2636 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2637 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2638 distance.
2640 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2642 * simplify-rtx.c (simplify_relational_operation): Call
2643 simplify_relational_operation_1 even if mode is VOIDmode.
2645 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2647 PR tree-optimization/26804
2648 * tree.h (DECL_CALL_CLOBBERED): New macro.
2649 (tree_decl_common): Add call_clobbered_flag.
2650 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2651 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2652 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2653 (mark_non_addressable): Ditto.
2654 * tree-ssa.c (verify_call_clobbered): New function.
2655 (verify_alias_info): Use it.
2656 * tree-pass.h (pass_reset_cc_flags): New prototype.
2657 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2658 (reset_cc_flags): New function.
2659 * passes.c (init_optimization_passes): Call reset_cc_flags after
2660 initializing referenced_vars.
2662 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2663 Roger Sayle <roger@eyesopen.com>
2665 PR middle-end/26717
2666 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2667 to 1.0 for non-real operands. Implement A / A optimization for
2668 complex operands.
2670 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2672 * config/i386/i386.c (size_cost): Correct the comment for
2673 cost of storing fp registers.
2674 (i386_cost): Likewise.
2675 (i486_cost): Likewise.
2676 (pentium_cost): Likewise.
2677 (pentiumpro_cost): Likewise.
2678 (k6_cost): Likewise.
2679 (athlon_cost): Likewise.
2680 (k8_cost): Likewise.
2681 (pentium4_cost): Likewise.
2682 (nocona_cost): Likewise.
2683 (generic64_cost): Likewise.
2684 (generic32_cost): Likewise.
2686 2006-03-24 Denis Chertykov <denisc@overta.ru>
2688 * config/avr/avr-protos.h (extra_constraint): Delete.
2689 (extra_constraint_Q): New declaration.
2690 * config/avr/constraints.md: New file.
2691 * config/avr/avr.md: Include it.
2692 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2693 (TMP_REGNO, ZERO_REGNO): Likewise.
2694 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2695 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2696 (extra_constraint): Delete.
2697 (extra_constraint_Q): Test for memory constraint 'Q'.
2698 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2699 (REG_CLASS_FROM_LETTER): Delete.
2700 (CONST_OK_FOR_LETTER_P): Delete.
2701 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2702 (EXTRA_CONSTRAINT): Delete.
2703 (TMP_REGNO): Delete.
2704 (ZERO_REGNO): Delete.
2706 2006-03-24 Jeff Law <law@redhat.com>
2708 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2709 directly. Call mark_new_vars_to_rename slightly earlier.
2711 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2713 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2714 (is_cxx): Likewise.
2715 (gen_compile_unit_die): Use new language types for Objective-C and
2716 Objective-C++.
2717 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2718 DW_LANG_C_plus_plus.
2720 PR 26793
2721 * config/t-darwin (crt3.o): Work around bug 26840.
2722 * config/darwin-crt3.c: Rewrite.
2723 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2725 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2727 * doc/invoke.texi: Document -femit-class-debug-always
2728 * common.opt: Add -femit-class-debug-always.
2730 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2732 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2733 index and base register.
2734 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2735 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2736 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2737 REGNO_OK_FOR_INDEX_P.
2738 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2739 ADDR_REGNO_P.
2740 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2741 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2742 REG_OK_FOR_BASE_P): Definitions removed.
2744 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2746 PR middle-end/26611
2747 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2748 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2749 set yet or weren't marked as local yet.
2751 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2753 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2754 the compiler.
2756 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2758 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2759 (rs6000_legitimate_small_data_p): Delete.
2760 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2761 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2762 and make static. Add forward declaration. Update uses.
2763 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2764 of offsettable_memref_p.
2765 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2766 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2768 2006-03-24 Jeff Law <law@redhat.com>
2770 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2771 around bug in immediate-use iterator.
2773 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2775 PR target/26607
2776 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2777 or __LITTLE_ENDIAN__.
2779 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2781 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2782 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2783 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2784 * config/sh/sh.opt (mdiv=): Amend description.
2785 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2786 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2787 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2788 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2789 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2790 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2791 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2792 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2793 TARGET_DIVIDE_CALL_FP.
2795 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2797 * haifa-sched.c (choose_ready): Fix type of the local variable.
2798 Move local variables. Add comment.
2799 (check_reg_live): Change signature. Make callable from debugger.
2800 * sched-int.h (check_reg_live): Update signature.
2801 * sched-ebb.c (check_reg_live): Update parameters.
2802 * sched-rgn.c (check_reg_live): Ditto.
2803 (region_head_or_leaf_p): Check pointer before dereferencing.
2804 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2805 before reload on optimization levels below 1.
2807 2006-03-23 Richard Henderson <rth@redhat.com>
2809 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2810 tls symbols.
2812 PR target/26347
2813 * config/alpha/predicates.md (local_symbolic_operand): Reject
2814 weak symbols.
2816 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2818 PR tree-opt/26795
2819 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2820 expressions which have overflowed constants.
2822 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2824 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2826 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2828 * cfgloopmanip.c (create_loop_notes): Removed.
2829 * final.c (final_scan_insn): Do not handle loop notes.
2830 * jump.c (squeeze_notes): Ditto.
2831 * cfglayout.c (skip_insns_after_block,
2832 duplicate_insn_chain): Ditto.
2833 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2834 create_loop_notes.
2835 * cfgloop.h (create_loop_notes): Declaration removed.
2837 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2839 * varasm.c (output_constant_pool): Restore fnname and fndecl
2840 arguments.
2841 (assemble_start_function): Adjust call accordingly.
2842 (assemble_end_function): Likewise.
2844 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2846 PR mudflap/26789
2847 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2849 PR mudflap/26790
2850 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2852 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2854 PR driver/22600
2855 * system.h (ICE_EXIT_CODE): New macro.
2856 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2857 (diagnostic_action_after_output): Likewise.
2858 * gcc.c (fatal_ice): New function.
2859 (execute): Use it instead of fatal.
2860 (fancy_abort): Likewise.
2861 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2863 2006-03-22 Jeff Law <law@redhat.com>
2865 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2866 iv_analyze_result returning false.
2868 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2870 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2872 2006-03-22 Richard Henderson <rth@redhat.com>
2874 PR middle-end/26084
2875 * except.c (duplicate_eh_regions_0): New.
2876 (duplicate_eh_region_1): Duplicate the children of the node as
2877 well as the node itself. Link them up properly.
2878 (duplicate_eh_region_2): Merge into ...
2879 (duplicate_eh_regions): ... here. Take copy_region argument, and
2880 copy only a sub-tree if asked. Simplify copying and fixup.
2881 (eh_region_outer_p): New.
2882 * except.h (duplicate_eh_regions): Update decl.
2883 (eh_region_outer_p): Declare.
2884 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2885 (lower_omp_master): Likewise.
2886 (lower_omp_ordered): Likewise.
2887 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2888 (move_stmt_r): Use it to remap labels. Handle recursion vs
2889 remap_decls_p properly.
2890 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2891 (find_outermost_region_in_block): New.
2892 (new_label_mapper): New.
2893 (move_sese_region_to_fn): Copy eh information to the new function
2894 properly.
2895 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2896 argument.
2897 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2898 number.
2900 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2902 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2903 into shared libraries.
2905 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2907 * doc/md.texi: Refer to i386/constraints.md instead of
2908 i386/predicates.md.
2909 * config/i386/constraints.md: New file, extracted from...
2910 * config/i386/predicates.md: ...here.
2911 * config/i386/i386.md: Include constraints.md.
2913 2006-03-21 Jason Merrill <jason@redhat.com>
2915 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2917 PR middle-end/20297
2918 * expr.c (init_block_move_fn): Force default visibility.
2919 (init_block_clear_fn): Likewise.
2920 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2921 * targhooks.c (default_external_stack_protect_fail): Likewise.
2923 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2925 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2926 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2927 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2928 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2929 (loadgp): Use mips_current_loadgp_style.
2930 (loadgp_noshared): New pattern.
2931 (sibcall_internal): Use MIPS_CALL.
2932 (sibcall_value_internal): Likewise.
2933 (sibcall_value_multiple_internal): Likewise.
2934 (call_internal): Likewise.
2935 (call_value_internal): Likewise.
2936 (call_value_multiple_internal): Likewise.
2937 (call_split): Use MIPS_CALL and add an 'S' constraint.
2938 (call_value_split): Likewise.
2939 (call_value_multiple_split): Likewise.
2940 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2941 (-mshared): New option.
2942 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2943 (mips_current_loadgp_style): Declare.
2944 * config/mips/mips.c (mips_classify_symbol): Avoid using
2945 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2946 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2947 TARGET_ABSOLUTE_ABICALLS.
2948 (override_options): Adjust comments. Improve the warning that is
2949 issued when -mabicalls and -G are used together.
2950 (mips_file_start): Remove comment.
2951 (mips_current_loadgp_style): New function.
2952 (mips_gnu_local_gp): New variable.
2953 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2954 LOADGP_ABSOLUTE.
2955 (mips_output_function_prologue): Use mips_current_laodgp_style.
2956 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2957 the cprestore instruction.
2958 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2959 live for TARGET_ABSOLUTE_ABICALLS.
2960 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2961 (ASM_SPEC): Pass down -mshared and -mno-shared.
2962 (MIPS_CALL): New macro.
2963 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2964 definition.
2965 * doc/invoke.texi (-mabicalls): Update documentation.
2966 (-mshared): Document.
2968 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2970 * config/ia64/unwind-hpux.c: New file.
2971 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2973 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2975 PR libgomp/26384
2976 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2978 2006-03-21 Jeff Law <law@redhat.com>
2980 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2981 type conversions of a VR_VARYING source to a wider type.
2983 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2985 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2986 tm_file on Solaris 10 and later.
2987 (sparc64-*-solaris2*): Likewise.
2988 (sparc-*-solaris2*): Likewise.
2989 * config/sol26.h: Rename to config/sol2-6.h.
2990 * config/sol2-10.h: New file.
2992 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2994 PR tree-opt/26781
2995 * tree-ssa-pre.c (create_component_ref_by_pieces):
2996 Handle STRING_CST.
2998 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3000 PR c++/26690
3001 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3002 return it immediately.
3004 2006-03-21 Michael Matz <matz@suse.de>
3006 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3007 New members.
3008 (remove_arc, add_arc): Update num_out_arcs member.
3009 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3010 of out arcs.
3011 (cache_presence): New function.
3012 (compare_states_for_equiv): New function.
3013 (state_is_differed): Don't take number of outargs, adjust callers.
3014 Use new invariant for speeding up.
3015 (init_equiv_class): Create initial classes based on sorted
3016 input.
3017 (partition_equiv_class): Don't track out_arcs_num.
3018 (evaluate_equiv_classes): Call cache_presence on all states and
3019 sort them.
3021 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3023 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3024 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3025 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3026 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3027 callers changed.
3028 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3029 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3030 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3031 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3032 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3033 macros.
3034 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3035 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3036 (REGNO_REG_CLASS): ARGP is in PREGS.
3037 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3038 IREGS.
3039 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3040 to deal with those addresses.
3041 * addresses.h: New file.
3042 * caller-save.c: Include "addresses.h".
3043 (init_caller_save): Use new base_reg_class function.
3044 * rtl-factoring.c: Include "addresses.h".
3045 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3046 * recog.c: Include "addresses.h".
3047 (preprocess_constraints): Use new base_reg_class function.
3048 * regrename.c: Include "addresses.h".
3049 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3050 functions. Keep track of a new var INDEX_CODE to compute valid
3051 classes.
3052 (replace_oldest_value_addr): Likewise.
3053 (replace_oldest_value_mem): Use base_reg_class.
3054 * reload.c: Include "addresses.h".
3055 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3056 (find_reloads): Use new base_reg_class function.
3057 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3058 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3059 all callers and prototype changed.
3060 * reload1.c: Include "addresses.h".
3061 (maybe_fix_stack_asms): Use base_reg_class.
3062 * regclass.c: Include "addresses.h".
3063 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3064 (init_reg_autoinc): Use new base_reg_class function.
3065 (record_reg_classes): Likewise.
3066 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3067 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3068 Use new args to compute necessary class.
3070 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3071 regrename.o, rtl-factoring.o): Update dependencies.
3072 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3073 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3074 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3075 REG_OK_FOR_INDEX_P): Delete documentation.
3077 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3079 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3080 from V7 to V9 for Solaris 7 and above.
3082 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3084 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3085 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3086 argument pointers may not alias any other storage.
3087 * common.opt: Define option -fargument-noalias-anything.
3088 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3089 alias semantics is specified by flag_argument_noalias > 2.
3091 2006-03-20 Jeff Law <law@redhat.com>
3093 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3094 (pass_phi_only_cprop): Declare.
3095 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3096 with phi_only_cprop
3097 * tree-ssa-dom.c (degenerate_phi_result): New function.
3098 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3099 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3100 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3101 (eliminate_degenerate_phis): Likewise.
3102 (pass_phi_only_cprop): New pass descriptor.
3103 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3104 support code. Callers updated.
3105 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3106 (store_copy_prop): Likewise.
3107 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3109 2006-03-20 Jason Merrill <jason@redhat.com>
3111 PR c++/21764
3112 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3113 (push_visibility, pop_visibility): Likewise.
3114 * c-pragma.h: Declare them.
3116 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3118 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3120 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3121 parameter and use get_ebb_head_tail.
3122 (sh_md_init_global): Adjust uses of find_regmode_weight.
3124 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3126 * function.h (struct function) <x_tail_recursion_reentry>:
3127 Rename to x_stack_check_probe_note.
3128 (tail_recursion_reentry): Rename to stack_check_probe_note.
3129 * function.c: Replace tail_recursion_reentry with
3130 stack_check_probe_note everywhere.
3131 (expand_function_start): Only emit a note for
3132 stack_check_probe_note with -fstack-protect.
3133 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3135 * emit-rtl.c (remove_unnecessary_notes): Remove.
3136 (pass_remove_unnecessary_notes): Remove.
3137 * rtl.h (remove_unnecessary_notes): Remove prototype.
3138 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3139 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3140 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3142 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3144 PR tree-opt/26629
3145 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3146 (valid_in_set): Handle ARRAY_REF.
3147 Change "if min_variant or VH" to asserts.
3148 (create_component_ref_by_pieces): Handle ARRAY_REF.
3149 (create_expression_by_pieces): Likewise.
3150 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3152 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3154 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3155 is operand of switch, not str[0].
3157 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3159 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3160 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3162 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3164 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3165 end of insn_extra_address_constraint declaration.
3167 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3169 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3170 (no-sum-in-toc): Same.
3171 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3172 variables.
3173 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3174 NO_FP_IN_TOC for -fPIC instead of mask.
3176 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3177 (BOOT_LDFLAGS): Delete.
3178 (LDFLAGS): Delete.
3179 * config/rs6000/t-aix52: Same.
3181 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3182 (stmsi[345678]_power): New.
3184 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3186 * config/ia64/ia64.opt: Add empty line to end of file.
3188 2006-03-17 Richard Guenther <rguenther@suse.de>
3190 PR middle-end/26721
3191 * builtins.c (get_pointer_alignment): For component style references
3192 adjust alignment to the component type alignment. Make sure
3193 to adjust alignment for component access of constants.
3195 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3197 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3198 unconditional jump.
3200 2006-03-17 Paul Brook <paul@codesourcery.com>
3202 * doc/install.texi: Docuemnt --with-mode.
3203 * config.gcc: Add --with-mode for arm*-*-*.
3204 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3206 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3208 * sh.c (max_labelno_before_reorg): New variable.
3209 (sh_reorg): Initialize it.
3210 (find_barrier): Check max_labelno_before_reorg before using
3211 label_to_alignment. Take length of explicit alignment insns
3212 into account. When seeing a UNSPECV_CONST_END, return it.
3214 * sh.c (fixup_mova): Set mode of affected label to QImode.
3215 (untangle_mova): New function.
3216 (find_barrier): Use it. Check mode of label before decrementing
3217 num_mova.
3218 (sh_reorg): Likewise.
3219 Set mode of all insns back to VOIDmode.
3221 * sh.c (MOVA_LABELREF): New macro.
3222 (mova_p, fixup_mova, sh_reorg): Use it.
3223 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3224 ADDR_DIFF_VEC matches mova.
3226 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3228 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3229 with ATTRIBUTE_UNUSED.
3231 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3233 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3234 pointer, instead of assuming it is possible to derive the
3235 correct args size from a call insn.
3237 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3239 * rtl.h (CONST_INT_P): Define.
3240 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3241 instead of GET_CODE(x) == CONST_INT.
3242 (vax_rtx_costs): Likewise.
3243 (vax_output_int_move): Likewise.
3244 (vax_output_int_add): Likewise.
3245 (legitimate_constant_address_p): Likewise.
3246 (index_term_p): Likewise.
3247 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3248 * config/vax/vax.md (and<mode>3): Likewise.
3249 (ashrsi3): Likewise.
3250 (extv): Likewise.
3251 (movstricthi): Likewise.
3252 (movstrictqi): Likewise.
3253 (rotrsi3): Likewise.
3254 (five unnamed insns): Likewise.
3256 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3258 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3259 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3260 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3261 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3262 Pass to ASM_OUTPUT_DWARF_OFFSET.
3263 * dwarf2out.c (debug_frame_section): New.
3264 (output_call_frame_info): Use debug_frame_section. Pass it to
3265 dw2_asm_output_offset.
3266 (output_die): Pass appropriate section to dw2_asm_output_offset.
3267 (output_compilation_unit_header): Likewise.
3268 (output_pubnames): Likewise.
3269 (output_aranges): Likewise.
3270 (enum dw_val_class): Break dw_val_class_lbl_offset into
3271 dw_val_class_lineptr and dw_val_class_macptr.
3272 (add_AT_lbl_offset): Delete.
3273 (add_AT_lineptr): New.
3274 (add_AT_macptr): New.
3275 (AT_lbl): Expect a lineptr or macptr.
3276 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3277 (attr_checksum): Likewise.
3278 (same_dw_val_p): Likewise.
3279 (size_of_die): Likewise.
3280 (value_format): Likewise.
3281 (output_die): Likewise.
3282 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3283 add_AT_lbl_offset.
3284 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3285 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3286 * config/darwin-protos.h (darwin_file_start): New.
3287 (darwin_asm_output_dwarf_offset): New.
3288 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3289 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3290 darwin_file_start.
3291 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3292 if not EH section; simplify.
3293 (darwin_file_start): New.
3294 (darwin_asm_output_dwarf_offset): New.
3295 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3296 mark as 'debug'.
3297 (DEBUG_INFO_SECTION): Likewise.
3298 (DEBUG_ABBREV_SECTION): Likewise.
3299 (DEBUG_ARANGES_SECTION): Likewise.
3300 (DEBUG_MACINFO_SECTION): Likewise.
3301 (DEBUG_LINE_SECTION): Likewise.
3302 (DEBUG_LOC_SECTION): Likewise.
3303 (DEBUG_PUBNAMES_SECTION): Likewise.
3304 (DEBUG_STR_SECTION): Likewise.
3305 (DEBUG_RANGES_SECTION): Likewise.
3306 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3307 (ASM_OUTPUT_DWARF_OFFSET): New.
3309 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3311 * config.gcc (tm_defines): Always add to previous value rather
3312 than replacing it.
3314 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3316 * config/mips/predicates.md (splittable_const_int_operand): New,
3317 split from move_operand.
3318 (splittable_symbolic_operand): New.
3319 (move_operand): Add commentary. Use splittable_const_int_operand.
3320 Inline mips_atomic_symbolic_constant_p.
3321 * config/mips/mips.md: Add combine splitters for handling moves
3322 of splittable_const_int_operands and splittable_symbolic_operands.
3323 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3324 (mips_split_symbol): Declare.
3325 (mips_move_integer): Declare.
3326 * config/mips/mips.c (mips_split_p): Make global.
3327 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3328 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3329 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3330 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3331 (mips_offset_within_object_p): Handle block symbols.
3332 (mips_atomic_symbolic_constant_p): Delete.
3333 (mips_cannot_force_const_mem): Return false for constants that
3334 mips_legitimize_move can handle.
3335 (mips_use_blocks_for_constant_p): New function.
3336 (mips_split_symbol): Make global.
3337 (mips_move_integer): Likewise. Add a temporary register argument.
3338 (mips_legitimize_const_move): Use splittable_const_int_operand and
3339 splittable_symbolic_operand.
3340 (mips_use_anchors_for_symbol_p): New function.
3341 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3342 (mips_split_p): Declare.
3344 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3346 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3347 (mips*-*-linux*): Likewise.
3349 2006-03-16 Roger Sayle <roger@eyesopen.com>
3350 Daniel Speyer <dspeyer@wam.umd.edu>
3352 PR middle-end/18259
3353 * tree-dump.c (dump_real): New function.
3354 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3355 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3356 (tree-dump.o): Add $(REAL_H) to the dependencies.
3358 2006-03-16 Roger Sayle <roger@eyesopen.com>
3360 PR middle-end/21781
3361 * real.c (real_from_string): If the mantissa is zero, don't bother
3362 parsing the exponent as the result should always be zero.
3364 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3366 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3368 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3370 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3371 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3372 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3373 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3374 ia64_sched_finish_global): New static functions to implement
3375 hooks from gcc_target.sched.
3376 (spec_check_no, max_uid, pending_data_specs): New static variables.
3377 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3378 ia64_spec_check_src_p): New static functions.
3379 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3380 (TARGET_SCHED_ADJUST_COST): Removed.
3381 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3382 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3383 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3384 TARGET_SCHED_GEN_CHECK,
3385 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3386 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3387 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3388 Fixed to handle speculation checks.
3389 (rtx_needs_barrier): Fixed to handle speculative loads and
3390 their checks.
3391 (ia64_variable_issue): Added code to count speculative loads and their
3392 checks.
3393 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3394 speculative loads.
3395 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3396 New enumerations.
3397 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3398 New constants.
3399 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3400 (ia64_reorg): Reset stops_p to NULL after it is freed.
3401 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3402 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3403 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3404 chk_a.
3405 (data_speculative, control_speculative, check_load): New attributes.
3406 (mov<mode>_advanced, mov<mode>_speculative,
3407 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3408 zero_extend<mode>di2_speculative,
3409 zero_extend<mode>di2_speculative_advanced): New patterns for
3410 data and control speculative loads.
3411 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3412 check loads.
3413 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3414 New pattern for data and control speculation checks.
3415 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3416 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3417 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3418 Auxiliary definitions for the patterns.
3419 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3420 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3421 constraints.
3422 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3423 for speculation.
3424 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3425 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3426 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3427 New resource constraints.
3428 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3429 for speculation.
3430 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3431 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3432 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3433 msched-in-control-spec, msched-ldc, msched-control-ldc,
3434 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3435 msched-prefer-non-control-spec-insns,
3436 msched-count-spec-in-critical-path): New flags to tune speculative
3437 scheduling.
3438 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3439 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3440 msched-in-control-spec, msched-ldc, msched-control-ldc,
3441 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3442 msched-prefer-non-control-spec-insns,
3443 msched-count-spec-in-critical-path): Document new flags.
3445 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3447 * target.h (struct spec_info_def): New opaque declaration.
3448 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3449 speculate_insn, needs_block_p, gen_check,
3450 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3451 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3452 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3453 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3454 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3455 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3456 gcc_target.sched.
3457 (TARGET_SCHED): Use new macros.
3458 * rtl.h (copy_DEPS_LIST_list): New prototype.
3459 * sched-int.h (struct sched_info): Change signature of new_ready field,
3460 adjust all initializations. New fields: add_remove_insn,
3461 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3462 region_head_or_leaf_p.
3463 (struct spec_info_def): New structure declaration.
3464 (spec_info_t): New typedef.
3465 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3466 recovery_block, orig_pat.
3467 (glat_start, glat_end): New variables declaraions.
3468 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3469 New access macros.
3470 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3471 DETACH_LIFE_INFO, USE_GLAT.
3472 (enum SPEC_SCHED_FLAGS): New enumeration.
3473 (NOTE_NOTE_BB_P): New macro.
3474 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3475 attach_life_info, debug_spec_status, check_reg_live): New functions.
3476 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3477 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3478 sched-ebb.c
3479 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3480 * ddg.c (get_block_head_tail): Adjust all uses.
3481 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3482 (sms_sched_info): Initialize new fields.
3483 (contributes_to_priority): Removed.
3484 * haifa-sched.c (params.h): New include.
3485 (get_block_head_tail): Adjust all uses.
3486 (ISSUE_POINTS): New macro.
3487 (glat_start, glat_end): New global variables.
3488 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3489 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3490 old_last_basic_block, before_recovery, current_sched_info_var,
3491 rgn_n_insns, luid): New static variables.
3492 (insn_cost1): New function. Move logic from insn_cost to here.
3493 (find_insn_reg_weight1): New function. Move logic from
3494 find_insn_reg_weight to here.
3495 (reemit_notes, move_insn, max_issue): Change signature.
3496 (move_insn1): Removed.
3497 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3498 extend_bb): New static functions to support extension of scheduler's
3499 data structures.
3500 (generate_recovery_code, process_insn_depend_be_in_spec,
3501 begin_speculative_block, add_to_speculative_block,
3502 init_before_recovery, create_recovery_block, create_check_block_twin,
3503 fix_recovery_deps): New static functions to support
3504 generation of recovery code.
3505 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3506 restore_bb_notes, move_block_after_check, move_succs): New static
3507 functions to support ebb scheduling.
3508 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3509 functions to support handling of register live information.
3510 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3511 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3512 add_jump_dependencies): New static functions.
3513 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3514 consistancy checking.
3515 (debug_spec_status): New function to call from debugger.
3516 (priority): Added code to handle speculation checks.
3517 (rank_for_schedule): Added code to distinguish speculative instructions.
3518 (schedule_insn): Added code to handle speculation checks.
3519 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3520 Fixed to handle ebbs.
3521 (move_insn): Added code to handle ebb scheduling.
3522 (max_issue): Added code to use ISSUE_POINTS of instructions.
3523 (choose_ready): Added code to choose between speculative and
3524 non-speculative instructions.
3525 (schedule_block): Added code to handle ebb scheduling and scheduling of
3526 speculative instructions.
3527 (sched_init): Initialize new variables.
3528 (sched_finish): Free new variables. Print statistics.
3529 (try_ready): Added code to handle speculative instructions.
3530 * lists.c (copy_DEPS_LIST_list): New function.
3531 * sched-deps.c (extend_dependency_caches): New function. Move logic
3532 from create_dependency_caches to here.
3533 (get_dep_weak, ds_merge): Make global.
3534 * genattr.c (main): Code to output prototype for
3535 dfa_clear_single_insn_cache.
3536 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3537 (output_dfa_clean_insn_cache_func): Code to output
3538 dfa_clear_single_insn_cache function.
3539 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3540 n_insns.
3541 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3542 Removed.
3543 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3544 New static variables.
3545 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3546 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3547 struct sched_info.
3548 (ebb_sched_info): Initialize new fields.
3549 (get_block_head_tail): Adjust all uses.
3550 (compute_jump_reg_dependencies): Fixed to use glat_start.
3551 (schedule_ebb): Code to remove unreachable last block.
3552 (schedule_ebbs): Added code to update register live information.
3553 * sched-rgn.c (region_sched_info): Initialize new fields.
3554 (get_block_head_tail): Adjust all uses.
3555 (last_was_jump): Removed. Adjust users.
3556 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3557 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3558 Implement new hooks.
3559 (check_dead_notes1): New static function.
3560 (struct region): New fields: dont_calc_deps, has_real_ebb.
3561 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3562 (BB_TO_BLOCK): Fixed to handle EBBs.
3563 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3564 (ebb_head): New static variable.
3565 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3566 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3567 new fields.
3568 (compute_dom_prob_ps): New assertion.
3569 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3570 global_live_at_start.
3571 (init_ready_list): New assertions.
3572 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3573 (new_ready): Add support for BEGIN_CONTROL speculation.
3574 (schedule_insns): Fixed code that updates register live information
3575 to handle EBBs.
3576 (schedule_region): Fixed to handle EBBs.
3577 (init_regions): Use extend_regions and check_dead_notes1.
3578 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3579 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3580 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3581 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3582 TARGET_SCHED_GEN_CHECK,
3583 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3584 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3585 * doc/invoke.texi (max-sched-insn-conflict-delay,
3586 sched-spec-prob-cutoff): Document.
3588 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3590 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3591 inter_tick, queue_index.
3592 (struct sched_info): Change signature of init_ready_list field.
3593 Adjust all initializations.
3594 (RESOLVED_DEPS): New access macro.
3595 (ready_add): Remove prototype.
3596 (try_ready): Add prototype.
3597 * sched-rgn.c (init_ready_list): Use try_ready.
3598 (schedule_region): Initialize
3599 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3600 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3601 (init_ready_list): Use try_ready.
3602 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3603 * lists.c (remove_list_elem): Remove `static'.
3604 (remove_free_INSN_LIST_elem): New function.
3605 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3606 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3607 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3608 New constants.
3609 (readyp): New variable.
3610 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3611 change_queue_index, resolve_dep): New static functions.
3612 (try_ready): New function. Adjust callers in sched-rgn.c and
3613 sched-ebb.c to use it instead of ready_add.
3614 (clock_var): Move at the begining of file.
3615 (rank_for_schedule): Fix typo.
3616 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3617 (ready_lastpos): Enforce assertion.
3618 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3619 update all callers.
3620 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3621 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3622 (queue_to_ready): Use free_INSN_LIST_list.
3623 (early_queue_to_ready): Fix typo.
3624 (schedule_block): Init readyp. Move init_ready_list call after the
3625 initialization of clock_var. Fix error in rejecting insn by
3626 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3627 that previously corrected INSN_TICKs. Add code for handling
3628 QUEUE_INDEX.
3629 (set_priorities): Fix typo.
3630 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3631 Clarify comment and code that keeps current_sched_info->next_tail
3632 non-null.
3634 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3636 * sched-rgn.c (extend_rgns): New static function.
3637 (find_rgns): Use it.
3638 (gather_region_statistics, print_region_statistics): New static
3639 functions.
3640 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3641 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3643 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3644 Andrey Belevantsev <abel@ispras.ru>
3646 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3647 * lists.c (unused_deps_list): New variable.
3648 (free_list): Add assertions to verify the proper distinguishing
3649 between INSN_LISTs and DEPS_LISTs.
3650 (find_list_elem, remove_list_elem, remove_list_node): New static
3651 functions.
3652 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3653 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3654 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3655 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3656 an INSN_LIST.
3657 (free_INSN_LIST_node): Likewise.
3658 * modulo-sched.c (current_sched_info): Initialize flags field.
3659 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3660 * rtl.def (DEPS_LIST): Define.
3661 * rtl.h: Declare new functions from lists.c.
3662 * sched-deps.c (spec_dependency_cache): New static variable.
3663 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3664 (add_dependence): Change return type to void. Move the logic to ...
3665 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3666 (delete_all_dependences): Add comment about forward_dependency_cache.
3667 Handle spec_dependency_cache. Handle DEPS_LISTs.
3668 (fixup_sched_groups): Clarify the change of priority of output
3669 and anti dependencies.
3670 (sched_analyze_2): Adjust add_dependence calls to create data
3671 speculative dependence.
3672 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3673 Adjust all callers. Handle DEPS_LISTS.
3674 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3675 presence of speculation.
3676 (init_dependency_caches, free_dependency_caches):
3677 Handle spec_dependency_cache.
3678 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3679 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3680 New static functions.
3681 (add_or_update_back_dep, add_or_update_back_forw_dep,
3682 add_back_forw_dep, delete_back_forw_dep): New functions.
3683 * sched-int.h (ds_t, dw_t): New typedefs.
3684 (struct sched_info): Add new field flags.
3685 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3686 Prototype new sched-deps.c functions.
3687 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3688 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3689 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3690 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3691 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3692 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3693 New constants.
3694 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3695 New enums.
3696 * sched-rgn.c (current_sched_info): Initialize flags field.
3697 (schedule_insns): Initialize current_sched_info before the sched_init
3698 call.
3699 * sched-ebb.c (current_sched_info): Initialize flags field.
3700 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3701 Call add_or_update_back_dep instead of add_dependence.
3702 Create control speculative dependencies.
3703 (schedule_insns): Initialize current_sched_info before the sched_init
3704 call.
3706 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3708 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3709 fs->signal_frame.
3710 (sh_fallback_frame_state): Likewise.
3712 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3714 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3715 Do switch on default_use_cxa_atexit.
3716 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3717 * config/darwin-crt3.o: New.
3718 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3719 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3720 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3721 OS version.
3722 * config/rs6000/t-darwin: Move crt2.o building to here.
3723 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3724 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3725 of __cxa_atexit.
3727 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3729 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3730 from '! xxx' to '!xxx' for coding-style conformance.
3731 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3732 (EXTRA_CONSTRAINT): Likewise.
3733 * config/vax/vax.md (four unnamed insns): Likewise.
3735 2006-03-15 Paul Brook <paul@codesourcery.com>
3737 * config/arm/arm.c (minipool_pad): New.
3738 (add_minipool_forward_ref): Include pool alignment padding in address
3739 calculation.
3740 (push_minipool_fix): Set minipool_pad.
3741 (minipool_pad): Ditto.
3743 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3745 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3746 instead of GET_CODE() == MEM and REG_P() instead of
3747 GET_CODE() == REG.
3748 (print_operand_address): Likewise.
3749 (vax_address_cost): Likewise.
3750 (vax_rtx_costs): Likewise.
3751 (vax_notice_update_cc): Likewise.
3752 (vax_output_int_add): Likewise.
3753 (INDEX_REGISTER_P): Likewise.
3754 (BASE_REGISTER_P): Likewise.
3755 (nonindexed_address_p): Likewise.
3756 (vax_mode_dependent_address_p): Likewise.
3757 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3758 (PRINT_OPERAND): Likewise.
3759 * config/vax/vax.md (ashlsi3): Likewise.
3760 (ashlsi3): Likewise.
3761 (some more unnamed insns): Likewise.
3763 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3765 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3766 iterator-style macro.
3767 (mark_control_dependent_edges_necessary): Update the use of
3768 EXECUTE_IF_CONTROL_DEPENDENT.
3770 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3772 * config/sh/predicates.md (cache_address_operand): Special.
3773 (ua_address_operand): Likewise.
3775 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3777 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3778 loop notes.
3779 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3781 2006-03-15 Andreas Schwab <schwab@suse.de>
3783 * gensupport.c (identify_predicable_attribute): Don't free p_false
3784 when it is still in use.
3786 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3788 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3789 the default setting here.
3791 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3793 * tree-pass.h (pass_cfg): Remove.
3794 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3795 * passes.c (pass_cfg): Don't run it.
3797 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3799 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3800 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3801 VEC(char,heap) *.
3802 (stack_regs_mentioned): Update the uses of
3803 stack_regs_mentioned_data. Don't access the array beyond its
3804 end.
3805 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3806 Don't include gt-reg-stack.h.
3808 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3809 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3811 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3813 PR middle-end/26684
3814 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3815 STACK_REGS.
3817 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3819 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3821 2006-03-14 Richard Guenther <rguenther@suse.de>
3823 PR tree-optimization/26672
3824 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3825 SSA form.
3827 2006-03-14 Richard Guenther <rguenther@suse.de>
3829 PR tree-optimization/26667
3830 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3831 node for the callees. Always allow inlining if it will shrink
3832 the function size.
3834 2006-03-14 Richard Guenther <rguenther@suse.de>
3836 PR middle-end/26659
3837 * builtins.c (get_pointer_alignment): Prefer alignment
3838 information from decls over that from types.
3840 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3842 PR target/26657
3843 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3845 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3847 * config/rs6000/rs6000.opt (mdlmzb): New option.
3848 (msched-prolog, msched-epilog): Use Var not Mask.
3849 * doc/invoke.texi (-mdlmzb): Document.
3850 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3851 MASK_SCHED_PROLOG.
3852 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3853 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3855 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3857 PR rtl-optimization/25739
3858 * bt-load.c (augment_live_range): Free tos pointer.
3860 * gensupport.c (identify_predicable_attribute): Free
3861 p_false pointer.
3862 * gcov.c (create_file_names): Free name pointer.
3864 2006-03-13 Roger Sayle <roger@eyesopen.com>
3866 PR middle-end/26557
3867 * stmt.c (emit_case_nodes): Handle the case where the index is a
3868 CONST_INT, where the comparison mode is specified by the index type.
3870 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3872 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3873 is defined.
3875 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3877 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3878 (*branch_fp_inverted): Likewise.
3880 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3882 PR middle-end/25989
3883 * omp-low.c (expand_omp_for_generic): Mark istart0
3884 and iend0 as addressable.
3886 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3888 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3890 2006-03-13 Jeff Law <law@redhat.com>
3892 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3893 virtual operands are interesting.
3894 (vrp_visit_stmt): Corresponding changes.
3896 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3898 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3899 of RETS.
3900 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3901 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3902 * config/bfin/crti.S: Use it instead of __PIC__.
3903 * config/bfin/crtn.S: Likewise.
3905 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3906 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3907 not if flag_pic.
3908 Lose 'G' modifier for call operand.
3909 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3910 recognize 'G' modifier.
3912 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3914 PR middle-end/18859
3915 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3916 * stmt.c (expand_case): Likewise.
3918 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3920 PR rtl-optimization/26254
3921 * loop-invariant.c (seq_insns_valid_p): New function.
3922 (move_invariant_reg): Only emit new code if it is valid.
3924 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3926 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3927 Removed.
3928 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3929 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3930 (commit_one_edge_insertion): Do not look for loop notes.
3932 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3934 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3935 flag_test_coverage out of loop.
3937 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3939 * final.c (shorten_branches): Remove outdated comment, and turn
3940 the if branch that guards it to continue.
3942 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3944 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3945 * cfgloop.h (struct loop): Remove unused fields.
3947 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3949 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3950 (-dL, -fdump-rtl-loop2): Update the dump file names
3952 * doc/invoke.texi: Update dump file names.
3954 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3956 * predict.c (estimate_probability): Remove.
3957 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3958 * basic-block.h (estimate_probability): Remove prototype.
3959 * passes.c (finish_optimization_passes): Dump branch prediction or
3960 profiling heuristics to the .profile tree dump.
3961 (init_optimization_passes): Unqueue pass_branch_prob.
3963 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3965 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3967 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3968 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3970 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3972 * function.h (frame_offset_overflow): Declare.
3973 * function.c (frame_offset_overflow): New function.
3974 (assign_stack_local_1): Call it to detect that the offset overflows.
3975 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3977 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3979 * config/sh/sh.c: Include alloc-pool.h.
3980 (label_ref_list_pool): New alloc pool.
3981 (label_ref_list_t): New type for lists of labels.
3982 (struct pool_node): Make wend a label_ref_list_t.
3983 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3984 references.
3985 (dump_table): Likewise.
3986 (sh_reorg): Set up the alloc pool before using add_constant and
3987 dump_table, and destroy it when finishing.
3989 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3991 * config/mips/mips.c: Remove redundant comment.
3993 2006-03-10 Jason Merrill <jason@redhat.com>
3995 PR c/26004
3996 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3997 the target was declared 'register'.
3999 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4001 * genpreds.c (write_insn_constraint_len): Change definition of
4002 insn_constraint_len to return size_t to match the declaration.
4004 2006-03-10 DJ Delorie <dj@redhat.com>
4006 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4007 start at zero.
4008 (m32c_expand_insv): Fix test for an AND mask.
4010 2006-03-10 Richard Guenther <rguenther@suse.de>
4012 PR middle-end/26565
4013 * builtins.c (get_pointer_alignment): Handle component
4014 references for field alignment.
4016 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4018 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4019 when building with libgloss.
4020 (sh*elf): Implement --without-fp option.
4021 (sh64-superh-linux*): Don't multilib.
4023 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4025 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4027 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4029 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4030 Set it when one of the replacement functions returned true.
4031 Return TODO_cleanup_cfg if cfgchanged is true.
4032 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4034 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4036 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4037 instead of gen_lowpart.
4039 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4041 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4042 interface.
4043 (mips_output_order_conditional_branch): Declare.
4044 * config/mips/mips.h (MIPS_BRANCH): New macro.
4045 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4046 for the comparison. Use gen_condjump.
4047 (mips_output_conditional_branch): Rework interface to take the
4048 asm templates for a direct branch and the inverse of a direct branch.
4049 (mips_output_order_conditional_branch): New function.
4050 (mips_builtin_branch_and_move): New function.
4051 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4052 branch condition. Use gen_single_cc as the condition for
4053 __builtin_mips_upper_* or __builtin_mips_lower_*.
4054 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4055 Use VOIDmode for the branch condition.
4056 * config/mips/predicates.md (order_operator): New predicate.
4057 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4058 (branch_fp): Rename to...
4059 (*branch_fp): ...this. Remove mode from comparison operator.
4060 Use new mips_output_conditional_branch interface.
4061 (branch_fp_inverted): Rename to...
4062 (*branch_fp_inverted): ...this and update as for *branch_fp.
4063 (*branch_zero<mode>): Rename to...
4064 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4065 Use mips_output_order_conditional_branch. Only accept ordered
4066 comparisons.
4067 (*branch_zero<mode>_inverted): Rename to...
4068 (*branch_order<mode>_inverted): ...this and update as for
4069 *branch_order<mode>.
4070 (*branch_equality<mode>): Accept zero as the second operand to
4071 the equality operator. Use the new mips_output_conditional_branch
4072 interface.
4073 (*branch_equality<mode>_inverted): Likewise.
4074 (condjump): New expander.
4075 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4076 operator.
4077 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4078 (bc1any2t, bc1any2f): Likewise.
4079 (single_cc): New expander.
4080 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4082 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4084 * doc/md.texi: Update documentation of MIPS constraints.
4085 * config/mips/constraints.md: New file.
4086 * config/mips/mips.md: Include it.
4087 * config/mips/mips.c (mips_char_to_class): Delete.
4088 (override_options): Don't initialize mips_char_to_class.
4089 * config/mips/mips.h (mips_char_to_class): Delete.
4090 (REG_CLASS_FROM_LETTER): Delete.
4091 (CONST_OK_FOR_LETTER_P): Delete.
4092 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4093 (EXTRA_CONSTRAINT_Y): Delete.
4094 (EXTRA_CONSTRAINT_STR): Delete.
4095 (CONSTRAINT_LEN): Delete.
4096 (EXTRA_MEMORY_CONSTRAINT): Delete.
4098 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4100 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4101 original fn's eh regions.
4103 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4105 * fold-const.c (build_range_check): Make sure to use a valid type to
4106 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4107 transformation.
4109 (range_predecessor): New static function.
4110 (range_successor): Likewise.
4111 (merge_ranges): Use them to compute predecessors and successors of
4112 range bounds.
4114 2006-03-09 Roger Sayle <roger@eyesopen.com>
4116 PR middle-end/26561
4117 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4118 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4120 2006-03-08 DJ Delorie <dj@redhat.com>
4122 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4123 (addpsi3): Expand to include memory operands. Remove
4124 reload-specific splits.
4125 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4126 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4127 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4128 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4129 (shift1_qi, shift1_hi, insv): New.
4130 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4131 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4132 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4133 cond_to_int): New.
4134 * config/m32c/m32c-protos.h: Update as needed.
4135 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4136 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4137 Fail for unrecognized R* constraints.
4138 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4139 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4140 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4141 Add Sp constraint.
4142 (m32c_init_libfuncs): New.
4143 (m32c_legitimate_address_p): Add debug wrapper.
4144 (m32c_rtx_costs): New.
4145 (m32c_address_cost): New.
4146 (conversions): Add 'B' prefix.
4147 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4148 operands, or word regnames for QI operands. 'B' prints bit
4149 position.
4150 (m32c_expand_setmemhi): New.
4151 (m32c_expand_movmemhi): New.
4152 (m32c_expand_movstr): New.
4153 (m32c_expand_cmpstr): New.
4154 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4155 (m32c_expand_neg_mulpsi3): Handle non-ints.
4156 (m32c_cmp_flg_0): New.
4157 (m32c_expand_movcc): New.
4158 (m32c_expand_insv): New.
4159 (m32c_scc_pattern): New.
4160 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4161 a0/a1 out of SIregs.
4162 (STORE_FLAG_VALUE): New.
4163 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4164 code macros.
4165 (no_insn): New.
4166 * config/m32c/mov.md: Make constraints more liberal.
4167 (zero_extendqihi2): Optimize r0/r1 case.
4168 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4169 * config/m32c/predicates.md (m32c_any_operand): New.
4170 (m32c_nonimmediate_operand): New.
4171 (m32c_hl_operand): New.
4172 (m32c_r3_operand): New.
4173 (ap_operand): New.
4174 (ma_operand): New.
4175 (memsym_operand): New.
4176 (memimmed_operand): New.
4177 (a_qi_operand): New.
4178 (m32c_eqne_operator): New.
4179 (m32c_1bit8_operand): New.
4180 (m32c_1bit16_operand): New.
4181 (m32c_1mask8_operand): New.
4182 (m32c_1mask16_operand): New.
4183 * config/m32c/blkmov.md: New file.
4184 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4186 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4188 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4189 unsigned to fix signed/unsigned comparison issue in
4190 DWARF2_FRAME_REG_OUT.
4191 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4192 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4194 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4195 of ptr into the ENABLE_CHECKING section.
4197 2006-03-08 Jeff Law <law@redhat.com>
4199 * tree-vrp.c (infer_value_range): Only count pointer uses
4200 and dereferences if -fdelete-null-pointer-checks is enabled.
4202 * tree-vrp.c (find_assert_locations): Infer value ranges for
4203 single use pointers, but do not create ASSERT_EXPRs for them.
4204 When a non-null range is inferred for a pointer, backwards
4205 propagate that range to other equivalent pointers through the
4206 use-def chain.
4208 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4210 PR bootstrap/26500
4211 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4212 language hook targets.
4213 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4214 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4215 if language hook targets were missing.
4217 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4219 * tree-ssa-opfinalize.h: Removed.
4220 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4221 dependency.
4222 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4223 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4224 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4225 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4226 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4227 finalize_ssa_v_must_def_ops): New.
4229 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4231 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4232 block as parameter.
4234 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4236 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4238 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4239 addresses with offsets; reorganize.
4241 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4242 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4243 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4245 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4247 PR target/26588
4248 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4250 2006-03-08 Ben Elliston <bje@au.ibm.com>
4252 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4254 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4256 PR gomp/26238
4257 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4258 expansion.
4260 2006-03-07 Richard Guenther <rguenther@suse.de>
4262 PR tree-optimization/26587
4263 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4265 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4267 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4269 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4271 * hooks.c (hook_bool_mode_rtx_true): New function.
4272 * hooks.h (hook_bool_mode_rtx_true): Declare.
4273 * toplev.c (compile_file): Call output_shared_constant_pool.
4274 * varasm.c (shared_constant_pool): New variable.
4275 (assemble_start_function, assemble_end_function): Remove arguments
4276 from call to output_constant_pool.
4277 (create_constant_pool): New function, split out from...
4278 (init_varasm_status): ...here.
4279 (force_const_mem): Choose between the shared and per-function constant
4280 pools. Set current_function_uses_const_pool when reusing old entries
4281 as well as when creating new ones.
4282 (mark_constant): Ignore data argument.
4283 (mark_constants): Remove pool argument.
4284 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4285 to decide whether the function uses a constant pool.
4286 (output_constant_pool_contents): New function, split out from...
4287 (output_constant_pool): ...here.
4288 (output_shared_constant_pool): New function.
4289 (init_varasm_once): Initialize shared_constant_pool.
4290 * output.h (output_constant_pool): Delete.
4291 (output_shared_constant_pool): Declare.
4292 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4293 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4295 2006-03-06 Nick Clifton <nickc@redhat.com>
4297 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4298 flag_strength_reduce.
4300 2006-03-06 Ben Elliston <bje@au.ibm.com>
4302 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4303 x86_64-*-linux* configurations.
4305 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4306 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4308 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4310 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4311 Remove.
4312 * basic-block.h: Remove the extern for
4313 rediscover_loops_after_threading.
4315 * cfgloop.c (cancel_loop): Make it static.
4316 * cfgloop.h: Remove the prototype for cancel_loop.
4318 * flow.c (recompute_reg_usage): Make it static.
4319 * rtl.h: Remove the prototype for recompute_reg_usage.
4321 * function.c (use_return_register): Make it static.
4322 * function.h: Remove the prototype.
4324 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4326 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4327 Remove.
4328 * recog.h: Remove the prototype for
4329 validate_change_maybe_volatile.
4331 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4333 * rtlanal.c (replace_reg): Remove.
4334 * rtl.h: Remove the prototype for replace_reg.
4336 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4338 * regclass.c (reg_scan_update): Remove.
4339 (reg_scan_mark_refs): Remove the last argument.
4340 * rtl.h: Remove the prototype for reg_scan_update.
4342 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4344 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4345 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4346 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4347 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4348 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4349 loop-invariant.c, omp-low.c, opts.c, passes.c,
4350 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4351 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4352 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4353 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4354 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4355 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4357 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4359 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4360 * dwarf2out.h: Remove the prototype for
4361 dwarf2out_add_library_unit_info.
4363 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4365 * tree.c (add_var_to_bind_expr): Remove.
4366 * tree.h: Remove the prototype for add_var_to_bind_expr.
4368 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4370 * regclass.c (n_non_fixed_regs): Remove.
4371 (init_reg_sets_1, globalize_reg): Remove all uses of
4372 n_non_fixed_regs.
4373 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4375 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4377 * rtlanal.c (insns_safe_to_move_p): Remove.
4378 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4380 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4382 * expmed.c (expand_mult_add): Remove.
4383 * expr.h: Remove the prototype for expand_mult_add.
4385 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4387 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4388 and REG_SAVED_VAL_EXP constants.
4389 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4390 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4391 Handle regs stored by value.
4392 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4393 (execute_cfa_program): Handle DW_CFA_val_offset,
4394 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4395 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4396 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4397 (uw_install_context_1): Handle target regs stored by value.
4399 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4401 * tree-sra.c (tree_sra): Return todoflags;
4402 (generate_one_element): Set TODO_update_smt_usage if needed.
4403 (pass_sra): Remove TODO_update_smt_usage.
4404 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4405 parameter.
4406 (tree_ssa_forward_propagate_single_use_vars): Return
4407 TODO_update_smt_usage if we need to update SMT usage.
4408 (pass_forwprop): Remove TODO_update_smt_usage.
4410 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4412 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4413 (correct_use_link): Remove reference to get_stmt_operands.
4414 (update_stmt_operands): Likewise.
4415 (get_modify_expr_operands): New function factored out of
4416 parse_ssa_operands and get_expr_operands.
4417 Try to create V_MUST_DEFs for LHS by default.
4418 (get_expr_operands) <case MODIFY_EXPR>: Call
4419 get_modify_expr_operands.
4420 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4421 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4422 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4423 get_modify_expr_operands.
4425 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4427 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4428 * tree-flow.h: Remove the prototype for
4429 referenced_var_lookup_if_exists.
4431 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4433 PR rtl-optimization/26345
4434 PR target/19061
4435 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4437 2006-03-03 Roger Sayle <roger@eyesopen.com>
4439 PR tree-optimization/26524
4440 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4441 fold_convert to create a constant of the appropriate type.
4443 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4445 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4446 SYMBOL_REF_IN_BLOCK_P.
4447 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4448 of SYMBOL_FLAG_IN_BLOCK.
4449 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4450 instead of SYMBOL_REF_IN_BLOCK_P.
4451 * explow.c (use_anchored_address): Likewise.
4452 * rtl.c (rtx_size): Likewise.
4453 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4454 instead of SYMBOL_FLAG_IN_BLOCK.
4455 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4456 SYMBOL_REF_IN_BLOCK_P.
4457 (assemble_variable): Likewise.
4458 (output_constant_def_contents): Likewise.
4459 (output_constant_pool): Likewise.
4460 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4461 instead of SYMBOL_FLAG_IN_BLOCK.
4462 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4463 SYMBOL_REF_IN_BLOCK_P.
4464 (SYMBOL_REF_BLOCK): Likewise.
4465 (SYMBOL_REF_OFFSET): Likewise.
4466 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4467 SYMBOL_REF_IN_BLOCK_P.
4468 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4469 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4470 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4471 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4473 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4475 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4477 2006-03-02 Roger Sayle <roger@eyesopen.com>
4479 * simplify-rtx.c (simplify_unary_operation): When simplifying
4480 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4481 that we perform the right shift in the appropriate mode, and
4482 then extend or truncate the result to requested mode.
4484 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4486 * gengtype.c (main): Handle double_int type.
4487 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4488 * double-int.c: New file.
4489 * double-int.h: New file.
4490 * system.h: Include doubleint.h.
4491 * Makefile.in (SYSTEM_H): Include double-int.h.
4492 (double-int.o): Add.
4494 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4496 PR bootstrap/26478
4497 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4498 copying over it.
4500 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4502 * tree-vrp.c (remove_range_assertions): Do not update statements
4503 unnecessarily.
4505 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4507 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4508 cleanup.
4509 * gcse.c (rest_of_handle_gcse): Ditto.
4510 * except.c (gate_handle_eh): Ditto.
4511 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4512 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4514 2006-03-02 Eric Christopher <echristo@apple.com>
4516 * config/i386/i386.c (machopic_output_stub): Add indirection to
4517 jump.
4519 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4521 * loop.c: Removed.
4523 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4525 Sun Niagara specific optimizations.
4526 * config.gcc: Recognize niagara as target.
4527 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4528 (TARGET_CPU_niagara): Define.
4529 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4530 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4531 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4532 (ASM_CPU_SPEC): Likewise.
4533 (PROCESSOR_NIAGARA): New enum entry.
4534 (REGISTER_MOVE_COST): Handle Niagara.
4535 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4536 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4537 (sparc_override_options): Recognize "niagara", set appropriate
4538 default MASK_* values for it, and align functions to 32-bytes
4539 by default just like ULTRASPARC/ULTRASPARC3.
4540 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4541 (sparc64_initialize_trampoline): Likewise.
4542 (sparc_use_sched_lookahead): Use zero for niagara.
4543 (sparc_issue_rate): Use one for niagara.
4544 * config/sparc/niagara.md: New file.
4545 * config/sparc/sparc.md: Include it.
4546 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4547 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4548 when default cpu is niagara.
4549 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4550 (ASM_CPU_SPEC): Likewise.
4551 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4552 when default cpu is niagara.
4553 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4554 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4555 just like v9/ultrasparc/ultrasparc3.
4556 * doc/invoke.texi: Add documentation for "niagara" and improve
4557 existing documentation for ultrasparc variants.
4559 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4561 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4563 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4565 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4566 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4567 and say that only one is needed.
4568 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4569 * target.h (have_switchable_bss_sections): New hook.
4570 * explow.c (use_anchored_address): Check that the symbol is in a block.
4571 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4572 (bss_noswitch_section): New variables.
4573 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4574 (get_noswitch_section): New function.
4575 (get_block_for_section): Allow SECT to be null.
4576 (unlikely_text_section_p): Use SECTION_STYLE.
4577 (bss_initializer_p): New function.
4578 (get_variable_section): Move earlier in file. Take a new argument,
4579 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4580 Return one of the new *_sections in such cases.
4581 (get_block_for_decl): New function, extracting some logic from
4582 use_blocks_for_decl_p.
4583 (change_symbol_section): Remove in favor of...
4584 (change_symbol_block): ...this new function.
4585 (use_blocks_for_decl_p): Remove checks now performed by
4586 get_block_for_decl.
4587 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4588 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4589 (emit_local, emit_bss, emit_common): ...these new functions.
4590 Return true if the alignment was honored.
4591 (emit_tls_common): New function.
4592 (asm_emit_uninitialised): Delete.
4593 (assemble_variable_noswitch): New function, split out from...
4594 (assemble_variable): ...here. Don't make decisions about common
4595 variables here. Globalize all public decls that go into non-common
4596 sections. Check whether SYMBOL_REF_BLOCK is null.
4597 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4598 (output_constant_pool): Likewise.
4599 (init_varasm_once): Initialize the new section variables.
4600 (have_global_bss_p): New function.
4601 (categorize_decl_for_section): Use bss_initializer_p.
4602 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4603 (place_block_symbol): Assert that the symbol must be in a block.
4604 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4605 (TARGET_INITIALIZER): Include it.
4606 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4607 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4608 (SECTION_MACH_DEP): Bump by two.
4609 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4610 (unnamed_section): Mention SECTION_UNNAMED in comment.
4611 (named_section): Likewise SECTION_NAMED.
4612 (noswitch_section_callback): New type.
4613 (noswitch_section): New structure.
4614 (section): Add a noswitch_section alternative.
4615 (SECTION_STYLE): New macro.
4616 (tls_comm_section, comm_section, lcomm_section): Declare.
4617 (bss_noswitch_section, have_global_bss_p): Declare.
4618 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4619 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4620 Override.
4621 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4622 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4623 Override.
4625 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4627 * gcc/tree-vrp.c (execute_vrp): Return value.
4628 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4629 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4630 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4631 (tree_lower_complex_O0): Ditto.
4632 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4633 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4634 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4635 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4636 (execute_tail_calls): Ditto.
4637 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4638 * gcc/tree.h (init_function_for_compilation): Ditto.
4639 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4640 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4641 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4642 * gcc/final.c (compute_alignments): Ditto.
4643 (rest_of_handle_final): Ditto.
4644 (rest_of_handle_shorten_branches): Ditto.
4645 (rest_of_clean_state): Ditto.
4646 * gcc/omp-low.c (execute_expand_omp): Ditto.
4647 (execute_lower_omp): Ditto.
4648 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4649 * gcc/ipa-reference.c (static_execute): Ditto.
4650 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4651 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4652 (rest_of_handle_machine_reorg): Ditto.
4653 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4654 * gcc/flow.c (recompute_reg_usage): Ditto.
4655 (rest_of_handle_remove_death_notes): Ditto.
4656 (rest_of_handle_life): Ditto.
4657 (rest_of_handle_flow2): Ditto.
4658 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4659 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4660 (do_ssa_store_ccp): Ditto.
4661 (execute_fold_all_builtins): Ditto.
4662 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4663 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4664 * gcc/ipa-pure-const.c (static_execute): Ditto.
4665 * gcc/cse.c (rest_of_handle_cse): Ditto.
4666 (rest_of_handle_cse2): Ditto.
4667 * gcc/web.c (rest_of_handle_web): Ditto.
4668 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4669 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4670 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4671 * gcc/tree-nrv.c (tree_nrv): Ditto.
4672 (execute_return_slot_opt): Ditto.
4673 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4674 (create_structure_vars): Ditto.
4675 * gcc/loop-init.c (rtl_loop_init): Ditto.
4676 (rtl_loop_done): Ditto.
4677 (rtl_move_loop_invariants): Ditto.
4678 (rtl_unswitch): Ditto.
4679 (rtl_unroll_and_peel_loops): Ditto.
4680 (rtl_doloop): Ditto.
4681 * gcc/gimple-low.c (lower_function_body): Ditto.
4682 (mark_used_blocks): Ditto.
4683 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4684 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4685 (cgraph_early_inlining): Ditto.
4686 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4687 * gcc/jump.c (cleanup_barriers): Ditto.
4688 (purge_line_number_notes): Ditto.
4689 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4690 (rest_of_handle_if_after_reload): Ditto.
4691 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4692 (tree_ssa_loop_im): Ditto.
4693 (tree_ssa_loop_unswitch): Ditto.
4694 (tree_vectorize): Ditto.
4695 (tree_linear_transform): Ditto.
4696 (tree_ssa_loop_ivcanon): Ditto.
4697 (tree_ssa_empty_loop): Ditto.
4698 (tree_ssa_loop_bounds): Ditto.
4699 (tree_complete_unroll): Ditto.
4700 (tree_ssa_loop_prefetch): Ditto.
4701 (tree_ssa_loop_ivopts): Ditto.
4702 (tree_ssa_loop_done): Ditto.
4703 * gcc/predict.c (tree_estimate_probability): Ditto.
4704 * gcc/recog.c (split_all_insns_noflow): Ditto.
4705 (rest_of_handle_peephole2): Ditto.
4706 (rest_of_handle_split_all_insns): Ditto.
4707 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4708 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4709 (rest_of_handle_stack_adjustments): Ditto.
4710 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4711 * gcc/function.c (instantiate_virtual_regs): Ditto.
4712 (init_function_for_compilation): Ditto.
4713 (rest_of_handle_check_leaf_regs): Ditto.
4714 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4715 (rest_of_handle_gcse): Ditto.
4716 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4717 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4718 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4719 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4720 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4721 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4722 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4723 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4724 * gcc/except.c (set_nothrow_function_flags): Ditto.
4725 (convert_to_eh_region_ranges): Ditto.
4726 (rest_of_handle_eh): Ditto.
4727 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4728 (remove_unnecessary_notes): Ditto.
4729 * gcc/except.h (set_nothrow_function_flags): Ditto.
4730 (convert_to_eh_region_ranges): Ditto.
4731 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4732 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4733 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4734 (execute_fre): Ditto.
4735 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4736 (rest_of_handle_jump2): Ditto.
4737 * gcc/tree-sra.c (tree_sra): Ditto.
4738 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4739 (execute_mudflap_function_decls): Ditto.
4740 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4741 (do_store_copy_prop): Ditto.
4742 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4743 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4744 * gcc/tree-ssa-forwprop.c
4745 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4746 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4747 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4748 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4749 (execute_late_warn_uninitialized): Ditto.
4750 * gcc/rtl.h (cleanup_barriers): Ditto.
4751 (split_all_insns_noflow): Ditto.
4752 (purge_line_number_notes): Ditto.
4753 (unshare_all_rtl): Ditto.
4754 (remove_unnecessary_notes): Ditto.
4755 (recompute_reg_usage): Ditto.
4756 (variable_tracking_main): Ditto.
4757 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4758 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4759 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4760 (execute_free_cfg_annotations): Ditto.
4761 (execute_fixup_cfg): Ditto.
4762 (execute_cleanup_cfg_pre_ipa): Ditto.
4763 (execute_cleanup_cfg_post_optimizing): Ditto.
4764 (execute_init_datastructures): Ditto.
4765 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4766 * gcc/combine.c (rest_of_handle_combine): Ditto.
4767 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4768 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4769 (rest_of_handle_reorder_blocks): Ditto.
4770 (rest_of_handle_partition_blocks): Ditto.
4771 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4772 * gcc/tree-profile.c (tree_profiling): Ditto.
4773 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4774 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4775 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4776 (rest_of_handle_sched2): Ditto.
4777 * gcc/basic-block.h (free_bb_insn): Ditto.
4778 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4779 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4780 (remove_useless_stmts): Ditto.
4781 (split_critical_edges): Ditto.
4782 (execute_warn_function_return): Ditto.
4783 (execute_warn_function_noreturn): Ditto.
4784 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4785 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4786 * gcc/passes.c (execute_one_pass): Run additional
4787 todos returned by execute function.
4788 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4789 return a value.
4791 2006-03-02 Richard Guenther <rguenther@suse.de>
4793 * tree-ssa-alias.c (find_used_portions): Consider taking
4794 the address as making the variable not write-only.
4796 2006-03-02 Nick Clifton <nickc@redhat.com>
4798 * config.gcc (default_use_cxa_atexit): Extend the description of
4799 this configure variable. Set its default value to "yes" for
4800 Linux, NetBSD and ELF targets on the assumption that they will
4801 use C libraries with the __cxa_atexit function.
4803 2006-03-02 Ben Elliston <bje@au.ibm.com>
4805 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4806 parameter as unused to suppress a build warning.
4808 2006-03-02 Ben Elliston <bje@au.ibm.com>
4810 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4811 config/dfp-bit.c.
4813 2006-03-01 Roger Sayle <roger@eyesopen.com>
4815 PR other/26489
4816 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4817 declared name, the weak reference name, and the typeof name.
4818 (__gthrw): Avoid expanding the declared name suffix.
4819 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4821 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4823 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4824 from DWARF 3.
4825 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4826 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4827 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4828 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4829 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4830 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4831 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4832 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4833 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4834 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4835 (DW_END_default, DW_END_big, DW_END_little): New.
4836 (DW_END_lo_user, DW_END_hi_user): Define.
4837 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4838 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4839 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4840 DW_LANG_D): New.
4842 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4844 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4845 Update all users.
4846 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4847 Update all users.
4848 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4849 Update all users.
4850 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4851 Update all users.
4852 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4853 to 'symbol_mem_tag'.
4854 Update all users.
4855 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4856 rename.
4858 2006-03-01 Roger Sayle <roger@eyesopen.com>
4860 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4862 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4864 PR target/25761
4865 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4866 MACHO_DYNAMIC_NO_PIC_P.
4867 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4869 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4871 PR target/26389
4872 * config/darwin-protos.h (darwin_asm_output_anchor):
4873 Declare.
4874 * config/darwin-sections.def (cstring_section):
4875 Add SECTION_MERGE to the flags.
4876 (literal4_section): Likewise.
4877 (literal8_section): Likewise.
4878 (objc_selector_refs_section): Likewise.
4879 (objc_cls_refs_section): Likewise.
4880 * config/darwin.c (darwin_asm_output_anchor): New
4881 function.
4882 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4884 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4886 Fix PR tree-optimization/26443
4887 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4888 to todo and PROP_tmt_usage to properties_destroyed.
4889 * tree-ssa-ccp.c (pass_ccp): Ditto.
4890 (pass_store_ccp): Ditto.
4891 * tree-ssa-dom.c (pass_dominator): Ditto.
4893 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4895 * tree-ssa-operands.c: Cleanup whitespace.
4896 (get_asm_expr_operands): Move before first invocation.
4897 (get_indirect_ref_operands): Likewise.
4898 (get_tmr_operands): Likewise.
4899 (get_call_expr_operands): Likewise.
4900 (append_def): Likewise.
4901 (append_use): Likewise.
4902 (append_v_may_def): Likewise.
4903 (append_v_must_def): Likewise.
4904 (add_call_clobber_ops): Likewise.
4905 (add_call_read_ops): Likewise.
4906 (add_stmt_operand): Likewise.
4907 (add_virtual_operand): Likewise.
4908 (build_ssa_operands): Likewise.
4910 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4912 PR middle-end/26022
4913 Revert:
4914 PR middle-end/24437
4915 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4916 with a call expr to ...
4917 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4919 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4921 * tree-vrp.c (extract_range_from_assert): Remove special
4922 handling for types with super-types.
4924 2006-03-01 Ben Elliston <bje@au.ibm.com>
4926 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4927 and powerpc64-*-linux* configurations.
4928 * config/t-dfprules: New file.
4930 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4931 Compile dfp-bit.c from the source directory using -DWIDTH and
4932 $DFP_CFLAGS to control the compilation of that file, rather than
4933 generating width-specific versions in the build directory.
4934 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4935 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4937 2006-02-28 Zack Weinberg <zackw@panix.com>
4939 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4940 continues to work.
4942 2006-02-28 Eric Christopher <echristo@apple.com>
4944 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4945 Set up IN_LIBGCC definition of TARGET_64BIT.
4946 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4948 2006-02-28 Roger Sayle <roger@eyesopen.com>
4950 PR middle-end/14752
4951 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4952 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4953 cases via the construction of "expr != 0".
4955 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4957 * alias.c (alias_invariant, alias_invariant_size): Remove.
4958 (record_base_value): Remove.
4959 (memrefs_conflict_p): Don't look at alias_invariant.
4960 (end_alias_analysis): Don't free it.
4961 * alias.h (record_base_value): Remove prototype.
4963 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4964 Adam Nemet <anemet@caviumnetworks.com>
4966 * rtl.h (truncated_to_mode): Declare it.
4967 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4968 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4969 (RTL_HOOKS_INITIALIZER): Include it.
4970 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4971 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4972 reg_truncated_to_mode.
4973 * rtlanal.c (truncated_to_mode): Define it.
4974 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4976 2006-02-28 Jeff Law <law@redhat.com>
4978 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4979 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4980 the range allowed by TYPE_PRECISION.
4982 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4984 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4986 PR tree-optimization/26419
4987 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4988 values of n.
4990 2006-02-27 Zack Weinberg <zackw@panix.com>
4992 * doc/md.texi: Fix typo in previous change.
4994 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4996 * df.c: Remove.
4998 2006-02-27 Zack Weinberg <zackw@panix.com>
5000 * rtl.def (define_constraint, define_register_constraint)
5001 (define_memory_constraint, define_address_constraint): New MD forms.
5002 * gensupport.c (process_rtx): Put define_constraint etc on the
5003 predicate queue.
5004 * genpreds.c (process_define_predicate): Adjust comment. Validate
5005 the name, and call validate_exp to validate the expression.
5006 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5007 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5008 all callers changed.
5009 (validate_exp, needs_variable, struct constraint_data)
5010 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5011 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5012 (const_dbl_constraints, constraint_max_namelen)
5013 (have_register_constraints, have_memory_constraints)
5014 (have_address_constraints, have_address_constraints)
5015 (have_extra_constraints, have_const_int_constraints)
5016 (have_const_dbl_constraints, mangle, add_constraint)
5017 (process_define_constraint, process_define_register_constraint)
5018 (write_enum_constraint_num, write_lookup_constraint)
5019 (write_insn_constraint_len, write_regclass_for_constraint)
5020 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5021 (write_insn_extra_memory_constraint)
5022 (write_insn_extra_address_constraint)
5023 (write_satisfies_constraint_fns): New.
5024 (write_tm_preds_h): If we have new-style constraint definitions,
5025 prototype the functions generated from them, and define the
5026 old constraint interface (still used by generic code) in terms of
5027 those functions.
5028 (write_insn_preds_c): If we have new-style constraint definitions,
5029 generate all relevant functions from those definitions.
5030 (main): Handle define_constraint etc.
5031 * genoutput.c (struct constraint_data, indep_constraints)
5032 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5033 (mdep_constraint_len): New data structures and functions, defined
5034 #ifdef USE_MD_CONSTRAINTS.
5035 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5036 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5037 use new logic to validate operand constraints against constraint
5038 definitions.
5039 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5040 defined.
5041 * defaults.h: If none of the old-style constraint macros are
5042 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5043 old-style macros; and poison REG_CLASS_FROM_LETTER,
5044 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5045 EXTRA_CONSTRAINT.
5046 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5047 * doc/md.texi: Document new constraint-definition mechanism and the
5048 C interface it provides. Remove references to old mechanism
5049 elsewhere in the document.
5050 (Machine Constraints): Use pathnames relative to gcc directory,
5051 i.e. config/ARCH/FILE. Change i386 section to refer to
5052 config/i386/predicates.md; update that section to match docstrings.
5053 * doc/tm.texi: Move all documentation of the old constraint-
5054 definition macros to their own section, clearly mark as obsolete.
5056 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5057 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5058 definitions.
5059 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5060 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5061 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5062 constraint strings.
5063 (splits and peepholes): Use satisfies_constraint_*.
5064 * config/i386/i386.c (memory_address_length)
5065 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5067 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5069 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5070 scalar operation to be put back into the loop.
5072 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5074 PR other/26208
5075 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5076 (extract_cie_info): Handle S flag in augmentation string.
5077 (execute_cfa_program): If context->signal_frame, execute also
5078 fs->pc == context->ra instructions.
5079 (uw_frame_state_for): If context->signal_frame, don't subtract one
5080 from context->ra to find FDE.
5081 (uw_update_context_1): Set context->signal_frame to
5082 fs->signal_frame.
5083 (_Unwind_GetIPInfo): New function.
5084 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5085 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5086 of _Unwind_GetIP.
5087 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5088 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5089 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5090 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5091 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5092 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5093 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5094 x86_64_fallback_frame_state): Set fs->signal_frame.
5095 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5096 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5097 (frob_update_context): Likewise. Workaround missing S flag in
5098 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5099 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5100 Remove the psw_addr + 1 hack.
5102 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5104 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5105 with aggregates here.
5106 (find_func_aliases): Remove code for &<aggregate> from here.
5108 2006-02-26 Roger Sayle <roger@eyesopen.com>
5110 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5111 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5112 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5113 as (X & C) ne/eq 0.
5115 2006-02-26 Roger Sayle <roger@eyesopen.com>
5117 PR middle-end/19983
5118 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5120 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5122 * opts.c (decode_options): Do not handle flag_strength_reduce.
5123 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5124 and OPT_fstrength_reduce.
5125 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5126 flag_prefetch_loop_arrays for being nonzero.
5127 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5128 no-ops.
5129 (fprefetch-loop-arrays-rtl): Removed.
5130 (flag_prefetch_loop_arrays): Do not specify the value.
5132 * doc/passes.texi: Update documentation of loop optimizer
5133 passes.
5134 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5135 -frerun-loop-opt): Remove.
5137 2006-02-26 Richard Guenther <rguenther@suse.de>
5139 PR tree-optimization/26421
5140 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5141 in function calls that are ADDR_EXPRs as using the whole structure.
5143 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5145 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5146 * tree-pass.h (pass_loop_optimize): Remove.
5147 * passes.c (pass_loop_optimize): Never run it.
5148 * toplev.c (backend_init): Don't call init_loop.
5149 * opts.c (flag_loop_optimize_set): Remove.
5150 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5151 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5152 the old RTL loop optimizer when profiling enabled.
5153 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5154 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5155 pre-headers for the sake of the old RTL loop optimizer.
5156 * Makefile.in: Remove all references to loop.o.
5158 * doc/invoke.texi: Remove all references to -floop-optimize
5159 and -frerun-loop-opt.
5161 2006-02-26 Zack Weinberg <zackw@panix.com>
5163 * doc/md.texi (Machine Constraints): Refer to all files with paths
5164 relative to gcc directory (i.e. config/CPU/file). Add missing
5165 @table @code ... @end table to M32C subsection.
5167 2006-02-26 Roger Sayle <roger@eyesopen.com>
5169 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5170 (X & 1) == 0.
5171 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5173 2006-02-26 Roger Sayle <roger@eyesopen.com>
5174 James A. Morrison <phython@gcc.gnu.org>
5176 PR middle-end/21137
5177 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5178 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5179 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5180 signedness of the shift operation.
5182 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5184 PR tree-optimization/26359
5185 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5187 2006-02-25 Roger Sayle <roger@eyesopen.com>
5189 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5190 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5191 as X == 0, and some symmetry related transformations.
5192 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5194 2006-02-25 Roger Sayle <roger@eyesopen.com>
5196 PR middle-end/23673
5197 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5198 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5199 symmetry related transformations. Fold (X^C1) == C2 as
5200 X == (C1^C2).
5202 2006-02-25 Juergen Weigert <jw@suse.de>
5203 Richard Guenther <rguenther@suse.de>
5205 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5207 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5209 * combine.c (gen_lowpart_or_truncate): Call
5210 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5212 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5214 * doc/invoke.texi: Move -fopenmp description to "Options for
5215 Code Generation".
5216 Remove reference to -lgomp.
5218 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5220 * doc/install.texi: Require GNU tar version 1.14.
5222 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5224 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5225 * doc/invoke.texi (C++ Dialect Options): Document
5226 -fno-use-cxa-get-exception-ptr.
5227 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5228 * configure: Regenerate.
5229 * c.opt (fuse-cxa-get-exception-ptr): New.
5230 * c-opts.c (c_common_handle_option): Handle
5231 OPT_fuse_cxa_get_exception_ptr.
5232 * c-common.c (flag_use_cxa_atexit): Update documentation.
5233 (flag_use_cxa_get_exception_ptr): New.
5234 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5235 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5236 documentation.
5237 (C_COMMON_OVERRIDE_OPTIONS): New.
5239 2006-02-24 Roger Sayle <roger@eyesopen.com>
5241 PR middle-end/24952
5242 * combine.c (try_combine): Explicitly check whether GET_CODE is
5243 a SET or a CLOBBER, instead on checking that it isn't a USE.
5245 2006-02-24 Roger Sayle <roger@eyesopen.com>
5247 * fold-const.c (fold_comparison): New subroutine of fold_binary
5248 containing transformations common to both the equality and
5249 ordering relational operators, factored out of fold_binary.
5250 (fold_binary): Separate out the equality operators (EQ_EXPR
5251 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5252 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5253 transformations common to both.
5254 (fold_div_compare): Fix latent bugs in the previously unreachable
5255 LT_EXPR and GE_EXPR cases.
5257 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5259 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5260 decl libname for clog to __clog on AIX.
5262 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5264 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5266 PR target/26453
5267 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5268 output traceback table for thunks. Localise rs6000_stack_info call.
5270 2006-02-23 Roger Sayle <roger@eyesopen.com>
5271 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5273 * gthr-posix.h (__gthrw): Fix typo in comment.
5275 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5277 * doc/cpp.texi (Character sets): Document that we do support
5278 input files to be in any character set.
5280 2006-02-23 Jeff Law <law@redhat.com>
5282 * tree.h (PHI_ARG_NONZERO): Remove.
5283 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5284 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5285 node to the new node.
5287 PR tree-optimization/26425
5288 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5289 min/max, then assume its varying.
5291 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5293 PR rtl-optimization/26316
5294 * rtlanal.c (enum may_trap_p_flags): New.
5295 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5296 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5297 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5298 (may_trap_after_code_motion_p): New function.
5299 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5300 (find_invariant_insn): Use may_trap_after_code_motion_p.
5301 * rtl.h (may_trap_after_code_motion_p): Declare.
5303 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5305 * emit-rtl.c (immed_double_const): Cleanup.
5307 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5309 Fix PR tree-optimization/26376
5310 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5311 remove assert.
5313 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5315 PR middle-end/26412
5316 * gimplify.c (omp_add_variable): Guard variable size decl test with
5317 DECL_SIZE (decl) check.
5319 2006-02-23 Richard Guenther <rguenther@suse.de>
5321 PR middle-end/26439
5322 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5323 like aggregate types.
5325 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5327 * configure.ac: Add --with{,out}-long-double-128 configure option.
5328 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5329 * configure: Rebuilt.
5330 * config.in: Rebuilt.
5331 * doc/install.texi (Options specification): Document
5332 --with-long-double-128.
5334 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5335 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5336 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5337 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5339 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5341 * config/s390/s390.c (override_options): Handle
5342 TARGET_DEFAULT_LONG_DOUBLE_128.
5344 * config/alpha/alpha.c (override_options): Handle
5345 TARGET_DEFAULT_LONG_DOUBLE_128.
5347 * config/sparc/sparc.c (sparc_override_options): Handle
5348 TARGET_DEFAULT_LONG_DOUBLE_128.
5350 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5352 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5353 (real-install-headers-tar, real-install-headers-cpio)
5354 (real-install-headers-cp): New targets.
5356 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5358 * tree.h (variable_section): Delete.
5359 * varasm.c (variable_section): Delete.
5361 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5363 * install.texi: Add notes on install.texi2html.
5364 (Building in parallel): Do not use footnotes.
5366 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5368 PR libgomp/26234
5369 * doc/install.texi (Configuration): Document --disable-libgomp.
5371 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5373 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5375 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5377 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5378 (vec_extractv2df_0_sse): New.
5380 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5382 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5383 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5384 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5385 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5386 to the result of the expression.
5387 (def_cfa_1): Adjust.
5388 (frame_pointer_cfa_offset): Rename to...
5389 (frame_pointer_fb_offset): ... this. Adjust all uses.
5390 (convert_cfa_to_loc_list): Rename to...
5391 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5392 Pass it on to build_cfa_loc.
5393 (compute_frame_pointer_to_cfa_displacement): Rename to...
5394 (compute_frame_pointer_to_fb_displacement): ... this. New
5395 offset parameter. Use it in computation.
5396 (gen_subprogram_die): Compute cfa_fb_offset with the new
5397 macro, and use it to compute the fb loc list and the
5398 displacement.
5400 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5402 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5403 replaced with register_operand.
5404 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5405 non-DREG is expensive.
5406 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5407 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5408 involving memory.
5410 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5412 * doc/install.texi2html: Use set -e.
5414 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5416 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5417 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5418 * doc/invoke.texi (-fshared-data): Delete.
5419 * common.opt (fshared-data): Delete.
5420 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5421 (assemble_static_space): Remove #if 0 code.
5422 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5423 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5424 * config/cris/cris.h: Remove FIXME.
5426 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5428 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5429 hooks.
5431 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5433 PR middle-end/26379
5434 * combine.c (simplify_shift_const_1): Disable nested shifts
5435 optimization for vector shifts.
5437 2006-02-20 Roger Sayle <roger@eyesopen.com>
5439 PR tree-optimization/26361
5440 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5441 of unsigned integer types.
5443 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5445 * tree-chrec.c (eq_evolutions_p): New.
5446 * tree-chrec.h (eq_evolutions_p): Declared.
5447 * tree-data-ref.c: Fix formatting.
5448 (datadep_stats, dependence_stats): New.
5449 (gcd): Moved...
5450 (print_direction_vector): New.
5451 (dump_data_dependence_relation): Use print_direction_vector.
5452 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5453 (compute_subscript_distance): Static.
5454 (initialize_data_dependence_relation): Static. Get the number
5455 of loops surrounding the references from the callers, and initialize
5456 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5457 base_object_differ_p analyzers.
5458 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5459 compute_overlap_steps_for_affine_1_2,
5460 analyze_subscript_affine_affine): Count the classified dependences.
5461 Print a message when a test failed.
5462 (can_use_analyze_subscript_affine_affine): New.
5463 (analyze_siv_subscript): Compute the data dependences on symbolic
5464 scevs that verify can_use_analyze_subscript_affine_affine.
5465 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5466 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5467 Handle symbolic scevs.
5468 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5469 analyzed.
5470 (subscript_dependence_tester): Moved...
5471 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5472 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5473 DDR_SIZE_VECT instead of getting it in parameter.
5474 (subscript_dependence_tester): ... here. Take as a parameter
5475 loop_nest_depth. Call build_classic_dist_vector and
5476 build_classic_dir_vector.
5477 (compute_affine_dependence): Update subscript_dependence_tester
5478 parameters. Update datadep_stats counters. Call
5479 compute_subscript_distance.
5480 (compute_self_dependence): Save the dist and dir vectors. Call
5481 compute_subscript_distance.
5482 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5483 (compute_all_dependences): Reorder parameters as they were before
5484 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5485 compute_subscript_distance. Update the use of
5486 compute_affine_dependence and initialize_data_dependence_relation.
5487 (find_data_references_in_loop): Handle COMPONENT_REF.
5488 (compute_data_dependences_for_loop): Initialize dependence_stats.
5489 Don't call build_classic_dist_vector and build_classic_dir_vector.
5490 Update the parameters of initialize_data_dependence_relation and
5491 compute_all_dependences. Print the statistics from datadep_stats.
5492 (analyze_all_data_dependences): Static. Not used until the pass for
5493 checking the data dependences is contributed.
5494 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5495 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5496 (initialize_data_dependence_relation, compute_affine_dependence,
5497 analyze_all_data_dependences, compute_subscript_distance): Removed.
5498 (print_direction_vector): New.
5499 * lambda.h (gcd): ... here.
5500 (lambda_vector_gcd): Moved here from gcd_vector.
5501 * lambda-code.c (gcd, gcd_vector): Removed.
5502 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5503 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5505 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5507 * ipa-type-escape.c: Tidy some comments and white space.
5508 * tree-ssa-operands.c: Likewise.
5510 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5512 PR tree-opt/25879
5513 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5514 (dump_decl_name): Do not walk the decl tree chains.
5515 * tree-pass.h (TDF_CHAIN): Remove.
5517 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5519 * Makefile.in (C): Remove
5520 (PROTO): Remove
5521 (.PHONY): Remove C and PROTO
5523 2006-02-20 Roger Sayle <roger@eyesopen.com>
5525 PR middle-end/26236
5526 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5527 deprecated CHAR_TYPE tree code.
5529 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5531 * configure.ac (target_list): Add install-info, dvi, html.
5532 * configure: Regenerate.
5534 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5535 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5536 treelang/Make-lang.in: Do not use double-colon rules.
5538 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5540 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5541 (TMT_USED_ALONE): New macro.
5542 * tree-pass.h (PROP_tmt_usage): New property.
5543 (TODO_update_tmt_usage): New todo.
5544 * tree-ssa-alias.c (updating_used_alone): New variable.
5545 (recalculate_used_alone): New function.
5546 (compute_may_aliases): Set updating_used_alone, call
5547 recalculate_used_alone.
5548 * tree-sra.c (pass_sra): Note that this pass destroys
5549 PROP_tmt_usage, and add TODO_update_tmt_usage.
5550 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5551 * tree-flow.h (updating_used_alone): Prototype.
5552 (recalculate_used_alone): Ditto.
5553 * passes.c (execute_todo): Add code to set updating_used_alone,
5554 and call recalculate.
5555 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5556 for clobber if used alone, and add assert to verify used_alone
5557 status.
5559 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5561 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5562 for non tls symbols added.
5563 (legitimize_address): Do nothing for PLUS expressions if one of the
5564 addends is a tls symbol reference.
5566 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5568 PR bootstrap/25476
5570 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5572 * Makefile.in (BOOTSTRAPPING): New.
5573 (quickstrap): New definition if BOOTSTRAPPING=yes.
5575 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5576 * configure.ac: Substitute all_selected_languages with the languages
5577 that were configured. For all the other variables except
5578 lang_specs_files, include all the languages in the tree.
5579 * configure: Regenerate.
5581 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5582 if there is one. Run the commands to run fixincludes in the same
5583 subshell.
5585 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5586 * doc/install.texi: Document exact conventions for searching target tools.
5587 Document --with-build-time-tools. Document toplevel bootstrap. Document
5588 something more about building an Ada cross-compiler. Don't list GNU Make
5589 requirements which affect all platforms.
5591 2006-02-19 Roger Sayle <roger@eyesopen.com>
5593 PR middle-end/19543
5594 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5595 only equivalent if the have both the same mode and precision.
5597 2006-02-20 Ben Elliston <bje@au.ibm.com>
5599 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5601 2006-02-19 Roger Sayle <roger@eyesopen.com>
5602 Steven Bosscher <stevenb.gcc@gmail.com>
5604 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5605 constant pool references to identify stack mode constants.
5606 * rtlanal.c (constant_pool_constant_p): New predicate to check
5607 whether operand is a floating point constant in the pool.
5608 * rtl.h (constant_pool_constant_p): Prototype here.
5609 * loop.c (scan_loop): Avoid hoisting constants from the constant
5610 pool on STACK_REGS targets.
5611 (load_mems): Likewise.
5612 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5613 loads into x87 registers expensive in terms of register pressure.
5615 2006-02-19 Roger Sayle <roger@eyesopen.com>
5617 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5618 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5620 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5622 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5623 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5625 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5627 * doc/invoke.texi: Document -fipa-pta.
5628 * common.opt: Add ipa-pta option.
5629 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5630 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5631 (do_ds_constraint): Ditto.
5632 (get_constraint_for): Only add to referenced_vars if
5633 referenced_vars exists.
5634 (insert_into_field_list): Rewrite to do this unsorted.
5635 (insert_into_field_list_sorted): Rename old insert_into_field_list
5636 to this.
5637 (create_function_info_for): Use insert_into_field_list_sorted.
5638 (create_variable_info_for): Rewrite so it uses unsorted version,
5639 since the field list is sorted.
5640 (intra_create_variable_infos): Only add to referenced_vars if
5641 referenced_vars exists.
5642 (ipa_pta_execute): Init heapvars, and delete when done.
5643 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5645 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5647 * doc/install.texi: Add missing `@samp'.
5649 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5651 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5652 Use the arguments.
5654 2006-02-18 Mark Wielaard <mark@klomp.org>
5656 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5657 who added new 4.1 features, bug fixes and integration support.
5659 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5661 PR target/26350
5662 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5663 MEM for ABI_V4 pic.
5665 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5667 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5668 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5669 (copy_insn_1): Likewise. Don't copy each field individually.
5670 Reindent.
5671 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5672 of RTX_SIZE.
5673 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5674 * rtl.c (rtx_size): Rename variable to...
5675 (rtx_code_size): ...this.
5676 (rtx_size): New function.
5677 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5678 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5679 Reindent.
5680 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5681 * rtl.h (rtx_code_size): New variable.
5682 (rtx_size): Change from a variable to a function.
5683 (RTX_SIZE): Rename to...
5684 (RTX_CODE_SIZE): ...this.
5686 PR target/9703
5687 PR tree-optimization/17106
5688 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5689 (Anchored Addresses): New section.
5690 * doc/invoke.texi (-fsection-anchors): Document.
5691 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5692 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5693 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5694 * hooks.c (hook_bool_mode_rtx_false): New function.
5695 * hooks.h (hook_bool_mode_rtx_false): Declare.
5696 * gengtype.c (create_optional_field): New function.
5697 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5698 SYMBOL_REF_IN_BLOCK_P is true.
5699 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5700 (min_anchor_offset, max_anchor_offset): Likewise.
5701 (use_anchors_for_symbol_p): New hook.
5702 * toplev.c (compile_file): Call output_object_blocks.
5703 (target_supports_section_anchors_p): New function.
5704 (process_options): Check that -fsection-anchors is only used on
5705 targets that support it and when -funit-at-a-time is in effect.
5706 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5707 if the decl doesn't have one.
5708 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5709 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5710 of force_const_mem through use_anchored_address.
5711 (expand_expr_constant): New function.
5712 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5713 calling expand_expr for INDIRECT_REF.
5714 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5715 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5716 * expr.h (use_anchored_address): Declare.
5717 * loop-unroll.c: Don't declare rtx vectors here.
5718 * explow.c: Include output.h.
5719 (validize_mem): Call use_anchored_address.
5720 (use_anchored_address): New function.
5721 * common.opt (-fsection-anchors): New switch.
5722 * varasm.c (object_block_htab, anchor_labelno): New variables.
5723 (hash_section, object_block_entry_eq, object_block_entry_hash)
5724 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5725 (use_blocks_for_decl_p, change_symbol_section): New functions.
5726 (get_variable_section): New function, split out from assemble_variable.
5727 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5728 use_blocks_for_decl_p say so. Use change_symbol_section if the
5729 symbol has already been created.
5730 (assemble_variable_contents): New function, split out from...
5731 (assemble_variable): ...here. Don't output any code for
5732 block symbols; just pass them to place_block_symbol.
5733 Use get_variable_section and assemble_variable_contents.
5734 (get_constant_alignment, get_constant_section, get_constant_size): New
5735 functions, split from output_constant_def_contents.
5736 (build_constant_desc): Create a block symbol if use_object_blocks_p
5737 says so. Or into SYMBOL_REF_FLAGS.
5738 (assemble_constant_contents): New function, split from...
5739 (output_constant_def_contents): ...here. Don't output any code
5740 for block symbols; just pass them to place_section_symbol.
5741 Use get_constant_section and get_constant_alignment.
5742 (force_const_mem): Create a block symbol if use_object_blocks_p and
5743 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5744 (output_constant_pool_1): Add an explicit alignment argument.
5745 Don't switch sections here.
5746 (output_constant_pool): Adjust call to output_constant_pool_1.
5747 Switch sections here instead. Don't output anything for block symbols;
5748 just pass them to place_block_symbol.
5749 (init_varasm_once): Initialize object_block_htab.
5750 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5751 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5752 (place_block_symbol, get_section_anchor, output_object_block)
5753 (output_object_block_htab, output_object_blocks): New functions.
5754 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5755 (TARGET_ASM_OUT): Include it.
5756 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5757 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5758 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5759 (TARGET_INITIALIZER): Include them.
5760 * rtl.c (rtl_check_failed_block_symbol): New function.
5761 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5762 (block_symbol, object_block): New structures.
5763 (rtx_def): Add a block_symbol field to the union.
5764 (BLOCK_SYMBOL_CHECK): New macro.
5765 (rtl_check_failed_block_symbol): Declare.
5766 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5767 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5768 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5769 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5770 * output.h (output_section_symbols): Declare.
5771 (object_block): Name structure.
5772 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5773 (default_use_anchors_for_symbol_p): Declare.
5774 * Makefile.in (RTL_BASE_H): Add vec.h.
5775 (explow.o): Depend on output.h.
5776 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5777 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5778 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5779 (rs6000_use_blocks_for_constant_p): New function.
5781 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5783 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5785 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5787 PR tree-opt/25680
5788 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5789 IMAGPART_EXPR.
5791 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5793 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5794 is_aliased.
5795 Update all users.
5797 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5799 PR middle-end/26334
5800 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5801 instead of DECL_REGISTER.
5803 2006-02-18 Olivier Hainque <hainque@adacore.com>
5805 PR ada/13408
5806 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5808 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5810 PR target/24837
5811 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5812 * opth-gen.awk: Handle Var and InverseMask together.
5813 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5814 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5815 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5816 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5817 used together.
5818 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5819 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5820 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5821 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5822 LINUX_DYNAMIC_LINKER): Define.
5823 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5824 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5825 TARGET_GLIBC.
5826 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5827 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5828 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5829 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5830 (TARGET_C99_FUNCTIONS): Don't define.
5831 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5832 GLIBC_DYNAMIC_LINKER.
5833 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5834 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5835 GLIBC_DYNAMIC_LINKER64): Define.
5836 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5837 LINUX_DYNAMIC_LINKER64.
5838 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5839 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5840 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5841 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5842 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5843 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5844 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5845 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5846 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5847 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5848 and LINUX_DYNAMIC_LINKER32.
5849 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5850 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5851 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5852 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5853 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5854 TARGET_GLIBC.
5855 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5856 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5857 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5858 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5859 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5860 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5861 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5862 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5863 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5864 LINUX_DYNAMIC_LINKER): Define.
5865 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5866 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5867 GLIBC_DYNAMIC_LINKER64): Define.
5868 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5869 LINUX_DYNAMIC_LINKER64.
5870 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5871 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5872 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5873 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5874 LINUX_DYNAMIC_LINKER): Define.
5875 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5876 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5877 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5878 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5879 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5880 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5881 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5882 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5883 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5884 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5885 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5886 * doc/invoke.texi (-muclibc): Remove caveat about supported
5887 targets.
5889 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5891 * doc/cpp.texi (__TIMESTAMP__): Document.
5893 2006-02-17 Roger Sayle <roger@eyesopen.com>
5895 PR middle-end/25600
5896 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5897 C is one less than the width of X (and related transformations).
5898 * simplify-rtx.c (simplify_unary_operation_1): Transform
5899 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5900 depending on STORE_FLAG_VALUE, were C is one less then the
5901 width of X.
5903 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5905 Fix PR tree-optimization/26341
5906 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5907 about NAME_MEMORY_TAG's.
5909 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5911 PR target/26255
5912 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5913 with hardware float support, and software float support. Add fcpy
5914 alternative to hardware patterns. Add alternatives to copy between
5915 general and floating-point registers to the 32-bit pattern.
5916 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5917 secondary reload to load a QI or HI mode constant into a floating
5918 point register.
5919 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5920 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5922 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5924 PR target/26272
5925 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5926 pc to the pattern.
5927 (load_macho_picbase_di): Likewise.
5929 2006-02-16 Jeff Law <law@redhat.com>
5931 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5932 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5933 (ssa_name_nonzero_p): Likewise.
5934 (get_value_range): Return NULL if VRP is not running.
5935 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5936 VRP routines do not discover a range.
5937 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5938 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5939 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5940 (tree_expr_nonnegative_p): Similarly.
5941 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5942 (restore_nonzero_vars_to_original_value): Remove.
5943 (unsafe_associative_fp_binop): Remove.
5944 (tree_ssa_dominator_optimize): Remove initialization and
5945 finalization of nonzero_vars and nonzero_vars_stack.
5946 (dom_opt_initialize_block): No longer push marker on
5947 nonzero_vars_stack.
5948 (dom_opt_finalize_block): No longer call
5949 restore_nonzero_vars_to_original_value.
5950 (record_equivalences_from_phis): No longer look for
5951 nonzero PHI arguments.
5952 (cprop_into_successor_phis): No longer propagate nonzero
5953 property into PHI arguments. Lose unused argument. Caller
5954 updated.
5955 (record_equivalences_from_stmt): No longer record nonzero
5956 values for SSA_NAMEs.
5957 (lookup_avail_expr): No longer use nonzero_vars.
5959 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5960 for sizetype when sizetype is unsigned.
5962 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5964 PR rtl-optimization/25603
5965 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5966 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5967 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5968 with new meaning of SETS.
5970 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5972 PR target/20353
5973 PR target/24578
5974 PR target/24837
5975 * config/linux.opt: New file.
5976 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5977 LINUX_DYNAMIC_LINKER): Define.
5978 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5979 * config.gcc (*-*-linux*): Define extra_options.
5980 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5981 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5982 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5983 GLIBC_DYNAMIC_LINKER.
5984 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5985 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5986 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5987 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5988 * doc/invoke.texi (GNU/Linux Options): New section.
5990 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5992 * config/sparc/sparc.md (setjmp): Rewrite.
5993 (setjmp_32): Delete.
5994 (setjmp_64): Likewise.
5996 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5998 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5999 previous change.
6001 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6003 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6004 read-write uses.
6006 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6008 PR rtl-optimization/26296
6009 * Makefile.in (loop-invariant.c): Add except.h dependency.
6010 * loop-invariant.c: Include except.h.
6011 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6013 2005-02-16 Paul Brook <paul@codesourcery.com>
6015 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6016 for reloads.
6018 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6020 PR rtl-optimization/25636
6021 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6022 when deciding whether an insn is an initializing insn.
6024 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6026 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6027 (tree_code_size): Ditto.
6028 * tree.h (struct tree_memory_tag): Remove parent_var.
6029 (struct tree_struct_field_tag): New.
6030 (SFT_OFFSET): New.
6031 (SFT_SIZE): New.
6032 (union tree_node): Add sft member.
6033 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6034 specially here.
6035 (create_sft): Add size and offset argument, set SFT_OFFSET and
6036 SFT_SIZE.
6037 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6038 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6039 * tree-flow-inline.h (get_subvar_at): Update for
6040 SFT_OFFSET/SFT_SIZE.
6041 (var_can_have_subvars): Ditto.
6042 (overlap_subvar): Ditto.
6043 * print-tree.c (print_node): Print out interesting things for
6044 SFT's.
6045 * tree-flow.h (struct subvar): Remove offset and size members.
6046 * tree-ssa-operands.c (get_expr_operands): Update for
6047 get_indirect_ref_operands changes.
6048 (get_indirect_ref_operands): Call add_virtual_operand instead of
6049 add_stmt_operand. Only recurse on base var if requested.
6050 (access_can_touch_variable): New function.
6051 (add_stmt_operand): Split virtual operand handling into ...
6052 (add_virtual_operand): Here. Add offset, size, and for_clobber
6053 arguments. Prune alias sets.
6054 (add_call_clobber_ops): Call add_virtual_operand.
6056 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6058 PR middle-end/26300
6059 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6061 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6062 than TREE_CODE as index into omp_clause_num_ops array.
6064 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6066 PR rtl-optimization/26184
6067 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6068 uses_of_defs.
6069 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6070 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6071 must_precede, must_follow and tobe_scheduled.
6073 PR other/26147
6074 * opts.c (common_handle_option): Free new_option pointer.
6075 * df-core.c (df_analyze): Free postorder pointer.
6077 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6079 * Makefile.in: Fix the examples about the use of stamps
6081 2006-02-15 Michael Matz <matz@suse.de>
6083 PR middle-end/22275
6085 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6086 influenced by maximum_field_alignment or DECL_PACKED.
6087 (update_alignment_for_field): Ditto.
6088 (place_field): Ditto.
6089 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6090 this behaviour.
6092 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6094 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6095 (debug_flow_info): Pass it.
6096 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6097 * bb-reorder.c (reorder_basic_blocks): Likewise.
6098 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6099 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6100 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6101 * gcse.c (gcse_main, bypass_jumps): Likewise.
6102 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6103 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6104 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6105 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6106 * rtl.h (dump_flow_info): Adjust prototype.
6107 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6108 * var-tracking.c (variable_tracking_main): Likewise.
6109 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6110 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6111 options.
6113 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6115 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6116 construction.
6118 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6120 PR tree-optimization/26209
6121 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6122 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6123 eh edges.
6124 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6126 2006-02-14 Roger Sayle <roger@eyesopen.com>
6128 PR middle-end/23670
6129 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6130 (X,Y) and the corresponding symmetry related transformations.
6131 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6132 (X,Y) and its symmetry related transformations.
6134 2006-02-14 Roger Sayle <roger@eyesopen.com>
6136 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6137 and GEU.
6139 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6141 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6143 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6145 PR bootstrap/26053
6146 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6147 support COMDAT group.
6148 * configure: Regenerate.
6150 2006-02-14 Roger Sayle <roger@eyesopen.com>
6152 PR middle-end/26279
6153 PR middle-end/26280
6154 PR middle-end/26283
6155 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6157 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6159 Fix PR tree-optimization/26260
6161 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6162 param.
6163 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6164 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6165 * tree-ssa-structalias.c (create_variable_info_for): Use
6166 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6168 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6170 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6171 Document.
6172 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6173 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6174 of the ending condition.
6175 * tree-ssa-loop-manip.c: Include params.h.
6176 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6177 tree_unroll_loop): New functions.
6178 * tree-pass.h (pass_loop_prefetch): Declare.
6179 * loop.c (rest_of_handle_loop_optimize): Test for
6180 -fprefetch-loop-arrays-rtl.
6181 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6182 * timevar.def (TV_TREE_PREFETCH): New timevar.
6183 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6184 pass_loop_prefetch): New.
6185 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6186 (cleanup_tree_cfg_loop): Call scev_reset.
6187 * common.opt (fprefetch-loop-arrays-rtl): Add.
6188 * tree-ssa-loop-prefetch.c: New file.
6189 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6190 (new_temp_expr_table): Initialize expr_vars.
6191 (free_temp_expr_table): Cleanup expr_vars.
6192 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6193 expressions from being merged into one.
6194 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6195 (struct tree_niter_desc): Add control, bound and cmp fields.
6196 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6197 Declare.
6198 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6199 (tree-cfgcleanup.o): Add SCEV_H dependency.
6200 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6201 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6203 2006-02-14 Richard Guenther <rguenther@suse.de>
6205 PR tree-optimization/26258
6206 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6207 in PHI argument processing.
6209 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6211 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6212 new expression in the requested machine mode.
6214 2006-02-13 Roger Sayle <roger@eyesopen.com>
6216 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6217 directly, instead let do_compare_rtx_and_jump handle this for us.
6218 * expr.c (expand_expr_real_1): Likewise.
6219 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6220 before do_jump_by_parts_greater.
6221 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6222 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6224 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6226 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6228 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6230 PR rtl-optimization/26235
6231 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6232 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6233 format.
6235 2006-02-13 Jeff Law <law@redhat.com>
6237 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6238 TRUTH_XOR_EPR.
6240 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6242 PR middle-end/26092
6243 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6244 twice if decl is a builtin. When trying again, call get_callee_fndecl
6245 first to verify it is still a builtin.
6247 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6249 * dwarf2out.c (base_type_die): Don't add AT_name here.
6250 (subrange_type_die): Don't add AT_name here.
6251 (modified_type_die): Rearrange code flow. Do add AT_name here.
6253 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6255 PR rtl-optimization/26247
6256 PR rtl-optimization/26248
6257 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6259 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6261 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6262 * config/fixtfdi.c: Likewise.
6263 * config/fixunstfdi.c: Likewise.
6264 * config/floatditf.c: Likewise.
6266 2006-02-13 Roger Sayle <roger@eyesopen.com>
6268 PR middle-end/24427
6269 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6270 into (X,C2) if C1 is a subset of the bits of C2. Transform
6271 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6272 (X&(C1&~C2))|C2.
6273 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6275 2006-02-13 Josh Conner <jconner@apple.com>
6277 PR target/25376
6278 * varasm.c (function_section): Check for section name before
6279 calling select_section on targets that define
6280 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6281 unlikely_text_section instead of hot_function_section if
6282 first_function_block_is_cold.
6284 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6286 PR middle-end/25335
6287 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6289 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6291 PR rtl-optimization/26222
6292 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6293 after tree->rtl expansion.
6294 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6295 before passing it to emit_move_insn.
6297 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6299 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6300 default.
6301 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6302 Clarify documentation.
6303 * c-common.h (warn_write_strings): Remove.
6304 * c-common.c (warn_write_strings): Likewise.
6305 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6306 default for C++.
6308 2006-02-12 Roger Sayle <roger@eyesopen.com>
6310 PR middle-end/25724
6311 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6312 (do_jump_parts_zero_rtx): New function renamed from
6313 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6314 (do_jump_parts_equality_rtx): New function split out from
6315 do_jump_parts_equality. Old implementation renamed as above.
6316 Call do_jump_parts_zero_rtx if either operand is zero.
6317 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6318 do all of the heavy lifting.
6319 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6320 calling either do_jump_by_parts_greater_rtx or
6321 do_jump_by_parts_equality_rtx.
6322 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6323 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6324 moved to do_compare_rtx_and_jump, call it directly.
6325 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6326 mode argument. Call do_compare_rtx_and_jump.
6327 (emit_case_nodes): Update calls to do_jump_if_equal.
6329 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6331 PR rtl-optimization/26225
6332 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6334 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6336 PR rtl-optimization/26232
6337 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6339 2006-02-11 Jason Merrill <jason@redhat.com>
6341 PR tree-opt/24365
6342 * tree-inline.c (declare_return_variable): Just don't use the
6343 modify target if it's a gimple complex reg and the return slot
6344 isn't.
6346 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6348 * doc/contrib.texi: Update my entry.
6350 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6352 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6354 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6356 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6357 expensive.
6359 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6361 * doc/invoke.texi (-floop-optimize2): Removed.
6362 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6363 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6364 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6365 * common.opt (floop-optimize2): Removed.
6366 (fmove-loop-invariants): Enabled by default.
6368 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6370 * tree-if-conv.c (combine_blocks): Free the result of
6371 get_loop_exit_edges.
6373 2006-02-10 Jeff Law <law@redhat.com>
6375 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6377 PR tree-optimization/26213
6378 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6379 loop trying to follow SSA_NAME_VALUE chains.
6381 2006-02-10 Richard Guenther <rguenther@suse.de>
6383 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6384 deal with structures that end in implicitly variable sized arrays.
6386 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6388 PR rtl-optimization/24762
6389 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6390 eh edges.
6392 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6394 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6395 (struct ivopts_data): Add regs_used field.
6396 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6397 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6398 instead of loop_data->regs_used;
6399 (free_loop_data): Do not free aux fields for loops.
6400 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6401 and tree_ssa_iv_optimize_finalize.
6403 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6405 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6407 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6409 PR target/26141
6410 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6411 computing the effective result type.
6413 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6415 PR inline-asm/16194
6416 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6417 (tree_overlaps_hard_reg_set): Declare.
6418 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6419 type and signature to match function type expected by walk_tree.
6420 (tree_overlaps_hard_reg_set): New function.
6421 (decl_conflicts_with_clobbers_p): Rename to:
6422 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6423 Use tree_overlaps_hard_reg_set. Changed caller.
6424 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6425 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6426 * cris.c (cris_md_asm_clobbers): Likewise.
6428 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6430 * reload1.c (emit_input_reload_insns): Delete code that tries to
6431 inherit using find_equiv_reg.
6433 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6435 * c-common.h (flag_const_strings): Don't declare.
6436 * c-common.c (flag_const_strings): Remove.
6437 * c.opt (fconst_strings): Remove.
6438 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6439 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6440 (c_common_init_options): Don't set flag_const_strings.
6441 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6443 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6445 * arm.md (tlobits_cbranch): New pattern.
6446 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6447 testing a single bit.
6449 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6451 PR tree-opt/26179
6452 * tree-ssa-pre.c (create_component_ref_by_pieces):
6453 Handle RETURN_DECL like VAR_DECL.
6455 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6457 PR middle-end/26134
6458 * fold-const.c (fold_indirect_ref_1): Fold
6459 "*(foo *)&complexfoo" to "__real__ complexfoo"
6460 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6462 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6464 * tree-flow-inline.h (var_can_have_subvars):
6465 Volatile variables should not have subvariables.
6467 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6469 PR 26180
6470 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6471 multiplying unsigned values.
6472 Tidy comments.
6474 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6476 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6478 2006-02-08 Jason Merrill <jason@redhat.com>
6480 PR c++/25979
6481 * tree.def: Elaborate on difference from MODIFY_EXPR.
6482 * doc/c-tree.texi (INIT_EXPR): Likewise.
6483 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6484 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6485 (gimplify_target_expr): Likewise.
6486 (gimplify_cond_expr): Remove target handling.
6487 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6488 (gimplify_expr): Clobber it here.
6489 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6490 Do return slot optimization if we have an INIT_EXPR.
6492 PR tree-opt/24365
6493 * tree-inline.c (declare_return_variable): Also clear
6494 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6496 PR c++/16405
6497 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6499 PR middle-end/22439
6500 * gimplify.c (gimplify_one_sizepos): Fix typo.
6502 2006-02-08 Jeff Law <law@redhat.com>
6504 PR tree-optimization/21417
6505 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6506 across a backedge if the control statement at the end of the
6507 block is data dependent on other statements in the same block.
6508 (record_temporary_equivalences_from_stmts): Remove over-conservative
6509 test for threading across backedges.
6511 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6512 control statement, handle all three special cases in the same
6513 manner as they all have the same desired solution. No longer
6514 special case edge flag updating when the post dominator is
6515 the exit block.
6517 2006-02-08 Roger Sayle <roger@eyesopen.com>
6519 * tree.def (CHAR_TYPE): Remove.
6520 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6521 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6522 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6523 (gen_string_type_die): Delete unreachable function.
6525 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6526 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6527 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6528 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6529 * builtins.c (type_to_class): Likewise.
6530 * fold-const.c (fold_convert, build_range_check,
6531 merge_ranges): Likewise.
6532 * expr.c (count_type_elements): Likewise.
6533 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6534 * stor-layout.c (layout_type): Likewise.
6535 * ipa-type-escape.c (type_to_consider): Likewise.
6536 * gimplify.c (omp_firstprivatize_type_sizes,
6537 gimplify_type_sizes): Likewise.
6538 * explow.c (promote_mode): Likewise.
6539 * tree-sra.c (is_sra_scalar_type): Likewise.
6540 * varasm.c (output_constant): Likewise.
6541 * tree-inline.c (remap_type_1): Likewise.
6542 * convert.c (convert_to_pointer, convert_to_real,
6543 convert_to_integer, convert_to_complex): Likewise.
6545 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6547 * df-scan.c (df_def_record_1): A set destination may
6548 be a parallel regardless of mode.
6550 2006-02-08 Roger Sayle <roger@eyesopen.com>
6552 PR target/22209
6553 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6554 * config/mips/_tilib.c: Remove.
6555 * config/fixtfdi.c: New libgcc source file.
6556 * config/fixunstfdi.c: New source file.
6557 * config/floatditf.c: New source file.
6558 * config/floatunditf.c: New souce file.
6559 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6560 files above instead of config/mips/_tilib.c.
6561 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6563 2006-02-08 Jeff Law <law@redhat.com>
6565 PR tree-optimization/26169
6566 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6567 threading jumps.
6569 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6571 * df.h (DF_REG_SIZE): Return the length of the initialized
6572 part of the array.
6574 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6576 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6577 __muldf3): Return a correctly signed zero.
6579 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6581 * passes.c (register_one_dump_file): Accept the current properties
6582 instead of pass number. Adjust call to dump_register. Remove
6583 duplicated code.
6584 (register_dump_files): Now a wrapper around...
6585 (register_dump_files_1): ... this one. Do not modify the pass
6586 structure.
6587 (next_pass_1): Cosmetic fix.
6588 (execute_todo): Keep second parameter only. Use curr_properties
6589 instead of fetching it from the pass structure. Check and set
6590 last_verified.
6591 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6592 instead of fetching it from the pass structure. Fix calls to
6593 execute_todo. Update curr_properties and initialize .vcg RTL dump
6594 after running the pass. Reset last_verified.
6595 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6596 at the beginning.
6597 (FIRST_AUTO_NUMBERED_DUMP): New.
6598 (dump_register): Remove "num" parameter, assign it within the
6599 function.
6600 (get_dump_file_name): Modify template for dumps.
6601 * tree-dump.h (dump_register): Adjust prototype.
6602 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6603 (PROP_trees): Add PROP_gimple_lomp.
6604 (TODO_set_props): New.
6605 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6606 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6607 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6609 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6611 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6612 (sparc64-*-linux*): Likewise.
6613 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6614 * config/sparc/t-linux: New file.
6615 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6616 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6617 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6618 -m32 -mlong-double-128.
6620 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6621 * config/alpha/t-linux: New file.
6622 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6624 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6625 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6626 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6627 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6628 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6629 (CPP_ARCH32_SPEC): Remove.
6631 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6633 PR tree-optimization/26145
6634 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6635 bbs pointer.
6637 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6639 PR target/26109
6640 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6641 >= 240000 when generating code for SOM runtime.
6642 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6643 to $$dyncall when generating code for SOM runtime..
6645 2006-02-07 Dirk Mueller <dmueller@suse.com>
6647 PR c++/18150
6648 * doc/invoke.texi (-Wsequence-point): Update documentation
6649 that -Wsequence-point is implemented for C++ as well.
6651 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6653 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6654 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6655 (LIB_SPEC): Likewise.
6656 * doc/invoke.texi (SPARC options): Document -pthread.
6658 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6660 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6661 PIC addresses.
6663 2006-02-07 Roger Sayle <roger@eyesopen.com>
6665 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6666 Correct comment describing BOOLEAN_TYPE.
6668 2006-02-07 Dirk Mueller <dmueller@suse.com>
6670 * c.opt: C++ frontend supports -Wdiv-by-zero.
6671 * c-opts.c (c_common_handle_option): Remove dead case.
6673 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6675 * configure.ac (TLS assembler check): Do not enable TLS by
6676 default on SPARC/Solaris before version 10.
6677 * configure: Regenerate.
6679 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6681 * doc/invoke.texi (xl-compat): Document conversion and support
6682 routine names.
6684 2006-02-07 Jeff Law <law@redhat.com>
6686 * tree-vrp.c (find_conditional_asserts): Update comments.
6687 (simplify_stmt_for_jump_threading): New.
6688 (identify_jump_threads, finalize_jump_threads): New.
6689 (vrp_finalize): Call identify_jump_threads.
6690 (execute_vrp): Call finalize_jump_threads.
6691 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6692 (vrp_element, vrp_data, vrp_element_p): Remove.
6693 (vrp_hash_elt, vrp_variables_stack): Remove.
6694 (vrp_hash, vrp_eq, record_range): Remove.
6695 (simplify_cond_and_lookup_avail_expr): Remove.
6696 (extract_range_from_cond): Remove.
6697 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6698 (simplify_stmt_for_jump_threading): New.
6699 (dom_thread_across_edge): New wrapper.
6700 (tree_ssa_dominator_optimize): No longer initialize or
6701 finalize any of the VRP datastructures. Remove iteration
6702 step and simplify as a result of removal of iteration step.
6703 (pass_dominator): Perform a cfg cleanup after DOM.
6704 (dom_opt_finalize_block): Use the new common routines
6705 for threading jumps. Simplify stack management slightly.
6706 No longer need to unwind VRP state.
6707 (record_equivalences_from_incoming_edge): No longer record
6708 VRP information.
6709 (eliminate_redundant_computations): No longer call
6710 simplify_cond_and_lookup_avail_expr.
6711 * tree-flow.h (potentially_threadable_block): Prototype.
6712 (thread_across_edge): Likewise.
6713 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6714 (tree-ssa-threadedge.o): Add dependencies.
6715 * tree-ssa-threadedge.c: New file.
6716 * passes.c (init_optimization_passes): Merge PHIs before
6717 calling VRP. Run VRP again late in the SSA optimization pipeline.
6719 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6721 * df-core.c (df_set_blocks): Do not dereference function pointers.
6722 (df_finish1): Likewise.
6723 (df_hybrid_search_forward): Likewise.
6724 (df_hybrid_search_backward): Likewise.
6725 (df_iterative_dataflow): Likewise.
6726 (df_analyze_problem): Likewise.
6727 (df_compact_blocks): Likewise.
6728 (df_dump): Likewise.
6729 * df-scan.c (df_rescan_blocks): Likewise.
6730 (df_record_entry_block_defs): Likewise.
6732 * genconditions.c (write_conditions): Guard the definition of
6733 'insn_conditions' with the check on GCC version.
6734 (write_writer): Guard the traversal 'insn_conditions' with
6735 the check on GCC version.
6737 2006-02-07 Richard Guenther <rguenther@suse.de>
6739 PR c++/26140
6740 Revert
6741 2006-01-30 Richard Guenther <rguenther@suse.de>
6742 PR c++/23372
6743 * gimplify.c (gimplify_target_expr): Handle easy cases
6744 without creating a temporary.
6746 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6748 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6749 use of float in probability computations. Use edge probabilities
6750 in place of statically computed probabilities.
6751 (min_spec_prob): New static variable.
6752 (schedule_insns): Initialize it.
6753 (GET_SRC_PROB): Removed.
6754 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6756 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6758 PR debug/24444
6759 * config/ia64/unwind-ia64.c: Revert last change.
6760 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6761 (INCOMING_FRAME_SP_OFFSET): Define.
6763 2006-02-06 Roger Sayle <roger@eyesopen.com>
6765 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6767 2006-02-07 Ben Elliston <bje@au.ibm.com>
6769 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6770 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6771 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6772 (ix86_return_in_memory): Handle TDmode.
6773 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6774 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6776 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6778 * reorg.c (dbr_schedule): Use dump_file instead of file.
6780 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6782 PR target/25917
6783 * config/ia64/predicates.md (extr_len_operand): New predicate.
6784 * config/ia64/ia64.md (extv): Tighten constraints.
6785 (extzv): Ditto.
6786 (*tbit_and_2): Ditto.
6787 (*tbit_and_3): Ditto.
6788 (*tbit_or_2): Ditto.
6789 (*tbit_or_3): Ditto.
6790 (*bit_zero): Ditto.
6791 (*bit_one): Ditto.
6793 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6795 PR target/23359
6796 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6798 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6800 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6801 loop_optimizer_init and loop_optimizer_finalize
6802 * tree-ssa-sink.c (execute_sink_code): Ditto.
6803 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6804 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6805 tree_ssa_loop_done): Ditto.
6806 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6807 * sched-ebb.c: Include output.h.
6808 (schedule_ebbs): Do not use dump argument.
6809 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6810 * loop.c (loop_dump_stream): Removed.
6811 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6812 argument.
6813 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6814 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6815 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6816 loop_iterations, strength_reduce, record_biv, record_giv,
6817 final_giv_value, check_final_value, check_ext_dependent_givs,
6818 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6819 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6820 dump_file instead of loop_dump_stream.
6821 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6822 argument dump_file.
6823 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6824 dump argument.
6825 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6826 * haifa-sched.c: Include output.h
6827 (schedule_insns, sched_init): Do not use dump argument.
6828 * mode-switching.c (optimize_mode_switching): Ditto.
6829 * modulo-sched.c (stats_file): Removed.
6830 (print_node_sched_params): Do not call argument dump_file.
6831 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6832 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6833 of stats_file.
6834 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6835 use dump argument.
6836 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6837 rtl_loop_init, rtl_loop_done): Ditto.
6838 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6839 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6840 Ditto.
6841 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6842 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6843 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6844 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6845 * emit-rtl.c (renumber_insns): Ditto.
6846 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6847 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6848 * regclass.c (regclass): Ditto.
6849 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6850 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6851 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6852 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6853 Ditto.
6854 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6855 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6856 to regclass.
6857 * gcse.c (gcse_file, debug_stderr): Removed.
6858 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6859 rest_of_handle_gcse): Do not use dump argument.
6860 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6861 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6862 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6863 compute_code_hoist_vbeinout, compute_code_hoist_data,
6864 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6865 compute_store_table, build_store_vectors, insert_insn_start_bb,
6866 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6867 store_motion): Use dump_file instead of gcse_file.
6868 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6869 * profile.c (profile_dump_file): Removed.
6870 (branch_prob): Use dump_file instead of profile_dump_file.
6871 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6872 dump_file.
6873 * tree-ssa-copy.c (dump_copy_of): Ditto.
6874 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6875 dump file to life_analysis.
6876 * bt-load.c (branch_target_load_optimize): Ditto.
6877 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6878 renumber_insns.
6879 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6880 regclass, dbr_schedule): Declaration changed.
6881 * sched-int.h (sched_init): Declaration changed.
6882 * tree-profile.c (tree_profile_dump_file): Removed.
6883 (tree_profile_hooks): Removed profile_dump_file hook.
6884 * rtl-profile (rtl_profile_dump_file): Removed.
6885 (rtl_profile_hooks): emoved profile_dump_file hook.
6886 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6887 changed.
6888 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6889 * tree-cfg.c (build_tree_cfg): Ditto.
6890 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6891 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6892 Declaration changed.
6893 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6894 life_analysis and schedule_insns.
6895 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6896 life_analysis.
6897 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6898 dbr_schedule.
6899 * config/mips/mips.c (mips_reorg): Ditto.
6900 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6901 schedule_ebbs.
6903 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6905 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6906 (s390_mangle_fundamental_type): New.
6907 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6908 Define.
6910 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6911 (alpha_mangle_fundamental_type): New.
6912 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6913 Define.
6915 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6916 Define.
6917 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6918 Define.
6919 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6920 (sparc_mangle_fundamental_type): New.
6922 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6924 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6925 (s390x-*-linux*): Likewise.
6926 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6927 * config/s390/t-linux: New file.
6929 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6931 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6932 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6934 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6936 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6937 (ANTIC_SAFE_LOADS): New macro.
6938 (find_or_generate_expression): Add prototype.
6939 (set_contains_value): Allow null set for sake of not always having
6940 to allocate ANTIC_SAFE_LOADS.
6941 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6942 Allow COMPONENT_REF too.
6943 (valid_in_set): Allow COMPONENT_REF.
6944 Check ANTIC_SAFE_LOADS too.
6945 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6946 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6947 rename.
6948 (can_PRE_operation): Add COMPONENT_REF.
6949 (create_component_ref_by_pieces): New function.
6950 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6951 (insert_aux): Move AGGREGATE_TYPE_P check here.
6952 (compute_avail): Set bb local stmt uids.
6953 (pass_pre): Use TODO_update_ssa_only_virtuals.
6955 2006-02-06 Ben Elliston <bje@au.ibm.com>
6957 * configure.ac: Unconditionally disable decimal float by default.
6958 * configure: Regenerate.
6960 2006-02-06 Ben Elliston <bje@au.ibm.com>
6962 * read-rtl.c (read_name): Terminate reading on EOF.
6964 2006-02-06 Ben Elliston <bje@au.ibm.com>
6966 * dfp.c (decimal_real_arithmetic): Change second argument type
6967 from int to enum tree_code. Do not always return true, but now
6968 return result of any call to decimal_do helper functions.
6969 * dfp.h (decimal_real_arithmetic): Update prototype.
6971 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6973 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6975 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6977 PR tree-opt/25251
6978 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6979 forced labels.
6981 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6983 * tree-vrp.c (cfg_loops): Removed.
6984 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6985 Use current_loops instead of cfg_loops. Pass flags to
6986 loop_optimizer_init.
6987 * cfgloopmanip.c (fix_loop_structure): Update only available
6988 information.
6989 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6990 loop_optimizer_init.
6991 * modulo-sched.c (build_loops_structure): Removed.
6992 (sms_schedule): Use loop_optimizer_init.
6993 * loop-init.c (loop_optimizer_init): Use flags to determine
6994 which properties of loops to prepare.
6995 (rtl_loop_init): Pass flags to loop_optimizer_init.
6996 * tree-ssa-sink.c (execute_sink_code): Ditto.
6997 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6998 * tree-ssa-pre.c (init_pre): Ditto.
6999 * cfgloop.h (LOOPS_NORMAL): New.
7000 (loop_optimizer_init): Declaration changed.
7002 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7004 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7005 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7006 pa/t-pa.
7007 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7008 pa/t-pa.
7009 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7010 pa/x-ada.
7011 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7012 * pa/t-pa64: Delete quadlib.c rule.
7013 * pa/x-ada: Revert last change.
7014 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7016 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7018 PR rtl-optimization/26087
7019 * rtlanal.c (canonicalize_condition): Do not cross basic block
7020 boundaries.
7022 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7024 PR debug/24444
7025 * config/ia64/ia64.c: Include debug.h.
7026 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7027 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7028 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7029 (process_epilogue, process_set, process_for_unwind_directive):
7030 Output unwind info only if requested. Add CFA info if requested.
7031 Add new arguments as needed. Adjust callers.
7032 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7033 incorrect default.
7034 (DWARF2_FRAME_INFO): Define to zero.
7035 * config/ia64/unwind-ia64.c: Remove code that compensated for
7036 the CFA offset error fixed above.
7037 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7038 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7039 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7040 -funwind-tables and -fexceptions to enable frame info.
7041 (dwarf2out_frame_init): Define initial CFA even if
7042 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7043 DWARF2_UNWIND_INFO is nonzero, not just defined.
7044 (dwarf2out_frame_finish): Output non-EH call frame info only
7045 if DWARF2_FRAME_INFO is nonzero.
7046 (convert_cfa_to_loc_list,
7047 compute_frame_pointer_to_cfa_displacement): Define even if
7048 unwind info is not supported.
7049 (gen_subprogram_die): Use the above unconditionally. Remove
7050 legacy alternate code.
7051 * toplev.c (compile_file): Compile in call to
7052 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7053 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7055 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7056 Jakub Jelinek <jakub@redhat.com>
7058 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7059 IBM extended float format long double as "g" on powerpc*-linux.
7061 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7063 PR target/25926
7064 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7065 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7067 2006-02-03 Jason Merrill <jason@redhat.com>
7069 PR c++/25979
7070 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7072 PR middle-end/25977
7073 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7074 on the return slot if it's an NRV.
7076 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7078 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7079 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7080 rewrite_use): Do not handle USE_OUTER.
7081 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7082 add_iv_outer_candidates, may_replace_final_value,
7083 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7084 (find_interesting_uses_op): Functionality of
7085 find_interesting_uses_outer_or_nonlin moved here.
7086 (find_interesting_uses_outside): Use find_interesting_uses_op.
7088 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7090 PR target/25960
7091 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7093 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7094 Ulrich Weigand <uweigand@de.ibm.com>
7096 PR target/25864
7097 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7098 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7099 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7100 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7101 and dxr fields.
7102 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7103 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7104 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7105 Define secondary reloads for TFmode moves.
7106 (constant_modes): Add TFmode.
7107 (NR_C_MODES): Set to 8.
7108 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7109 builtin define.
7110 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7111 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7112 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7113 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7114 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7115 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7116 (FPR mode macro): Add TFmode.
7117 (DSF mode macro): New.
7118 (<de>, <dee> mode attributes): Removed.
7119 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7120 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7121 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7122 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7123 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7124 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7125 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7126 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7127 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7128 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7129 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7130 "*negabs<mode>2", "sqrt<mode>2"):
7131 Changed <de> to <xde>. R constraint replaced by <Rf>.
7132 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7133 <Rf>.
7134 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7135 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7136 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7137 splitters.
7138 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7139 "extenddftf2", "extendsftf2"): New expanders.
7140 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7141 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7142 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7143 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7144 New options.
7145 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7146 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7147 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7148 __floatditf): Add a GCC_4.1.0 symbol version tag.
7149 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7150 the new options.
7152 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7154 PR target/25377
7155 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7156 Use targetm.binds_local_p instead of TREE_PUBLIC.
7158 2006-02-02 Roger Sayle <roger@eyesopen.com>
7160 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7161 on INTEGER_TYPEs to indicate that it denotes a character type.
7162 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7163 signed_char_type_node, unsigned_char_type_node and char_type_node.
7164 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7165 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7166 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7168 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7169 Daniel Berlin <dberlin@dberlin.org>
7171 * tree-tailcall.c (arg_needs_copy_p): New function.
7172 (eliminate_tail_call): Use arg_needs_copy_p.
7173 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7174 (add_virtual_phis): New function.
7176 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7178 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7179 #ignore instead of #scratch for %g7 .register directive.
7181 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7183 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7184 object files.
7186 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7188 * flow.c (calculate_global_regs_live): Assert that there aren't any
7189 EDGE_FAKE edges.
7191 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7193 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7194 what its name says.
7195 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7196 bsi_after_labels iterator.
7197 * tree-if-conv.c (find_phi_replacement_condition,
7198 replace_phi_with_cond_modify_expr): Likewise.
7199 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7200 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7202 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7204 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7206 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7208 PR 25990
7209 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7210 array after growing it.
7212 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7214 PR middle-end/24901
7215 * fold-const.c (fold_checksum_tree): Change type of buf.
7217 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7219 * reload.c (push_secondary_reload): Initialize t_icode.
7221 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7223 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7224 -msoft-float -mlong-double-128 only issue a warning, but don't
7225 swich to DFmode long double.
7227 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7229 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7230 has a constant equivalent, iterate over equivalents for arg0,
7231 calling simplify_relational_operation and if there's a result
7232 cheaper than X, apply fold_rtx and return the result.
7234 2006-02-01 Jan Hubicka <jh@suse.cz>
7236 * opts.c (no_unit_at_a_time_default): New global variable.
7237 (decode_options): Use it.
7238 * opts.h (no_unit_at_a_time_default): Declare.
7240 2006-02-01 Paul Brook <paul@codesourcery.com>
7242 * function.c (assign_parm_setup_reg): Use function argument promotion
7243 rules.
7244 * expr.c (expand_expr_real_1): Use function argument promotion rules
7245 for PARM_DECLs.
7247 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7249 * gcc.c (process_command): Change j to 'unsigned int'.
7251 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7253 PR middle-end/26001
7254 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7255 Use the corrected index for the character
7256 out of the string constant.
7258 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7260 * mode-switching.c (optimize_mode_switching): Fix size
7261 allocated for bb_info[n_entities].
7263 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7265 * gcc.c (main): Correct type that is allocated for
7266 explicit_link_files.
7268 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7270 * config/s390/s390.c (init_alignment_context): Set
7271 ALIAS_SET_MEMORY_BARRIER on the MEM.
7272 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7274 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7276 PR middle-end/25933
7277 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7278 dom_bbs pointer.
7279 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7280 call to tpa_init.
7282 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7284 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7285 * regrename.c: Ditto.
7286 * tree-ssa-loop-im.c: Ditto.
7287 * tree-dump.c: Ditto.
7288 * tree-complex.c: Ditto.
7289 * genrecog.c: Ditto.
7290 * tree-ssa-threadupdate.c: Ditto.
7291 * tracer.c: Ditto.
7292 * java/class.c: Ditto.
7293 * java/jcf-parse.c: Ditto.
7294 * java/resource.c: Ditto.
7295 * java/except.c: Ditto.
7296 * java/jvspec.c: Ditto.
7297 * java/jcf-write.c: Ditto.
7298 * java/jcf-path.c: Ditto.
7299 * java/gjavah.c: Ditto.
7300 * java/zextract.c: Ditto.
7301 * java/jcf-io.c: Ditto.
7302 * java/jcf.h: Ditto.
7303 * java/buffer.c: Ditto.
7304 * java/lang.c: Ditto.
7305 * java/parse-scan.y: Ditto.
7306 * java/lex.c: Ditto.
7307 * java/lex.h: Ditto.
7308 * cfgloopmanip.c: Ditto.
7309 * postreload-gcse.c: Ditto.
7310 * tree-ssa-loop-manip.c: Ditto.
7311 * postreload.c: Ditto.
7312 * tree-ssa-loop-ch.c: Ditto.
7313 * loop.c: Ditto.
7314 * ipa-cp.c: Ditto.
7315 * cppspec.c: Ditto.
7316 * diagnostic.c: Ditto.
7317 * final.c: Ditto.
7318 * genoutput.c: Ditto.
7319 * gcc.c: Ditto.
7320 * cfghooks.c: Ditto.
7321 * cfgloopanal.c: Ditto.
7322 * objc/objc-act.c: Ditto.
7323 * gcov.c: Ditto.
7324 * genextract.c: Ditto.
7325 * genautomata.c: Ditto.
7326 * pretty-print.c: Ditto.
7327 * genemit.c: Ditto.
7328 * cgraphunit.c: Ditto.
7329 * flow.c: Ditto.
7330 * df-scan.c: Ditto.
7331 * haifa-sched.c: Ditto.
7332 * dominance.c: Ditto.
7333 * dbxout.c: Ditto.
7334 * tree-ssa-loop-ivopts.c: Ditto.
7335 * df-core.c: Ditto.
7336 * mode-switching.c: Ditto.
7337 * modulo-sched.c: Ditto.
7338 * graph.c: Ditto.
7339 * ipa-pure-const.c: Ditto.
7340 * cse.c: Ditto.
7341 * fix-header.c: Ditto.
7342 * web.c: Ditto.
7343 * tree-stdarg.c: Ditto.
7344 * ipa-utils.c: Ditto.
7345 * loop-init.c: Ditto.
7346 * ipa-inline.c: Ditto.
7347 * cfganal.c: Ditto.
7348 * global.c: Ditto.
7349 * alloc-pool.c: Ditto.
7350 * dwarf2out.c: Ditto.
7351 * opts.c: Ditto.
7352 * genattrtab.c: Ditto.
7353 * tree-ssa-loop-ivcanon.c: Ditto.
7354 * predict.c: Ditto.
7355 * timevar.c: Ditto.
7356 * lcm.c: Ditto.
7357 * fortran/gfortranspec.c: Ditto.
7358 * regmove.c: Ditto.
7359 * local-alloc.c: Ditto.
7360 * langhooks.c: Ditto.
7361 * function.c: Ditto.
7362 * tree-vectorizer.c: Ditto.
7363 * gcse.c: Ditto.
7364 * ipa-type-escape.c: Ditto.
7365 * alias.c: Ditto.
7366 * tree-if-conv.c: Ditto.
7367 * profile.c: Ditto.
7368 * ipa.c: Ditto.
7369 * tree-data-ref.c: Ditto.
7370 * loop-unroll.c: Ditto.
7371 * treelang/treetree.c: Ditto.
7372 * calls.c: Ditto.
7373 * bt-load.c: Ditto.
7374 * ggc-common.c: Ditto.
7375 * except.c: Ditto.
7376 * coverage.c: Ditto.
7377 * cselib.c: Ditto.
7378 * tree-cfgcleanup.c: Ditto.
7379 * tree-ssa-pre.c: Ditto.
7380 * cfgcleanup.c: Ditto.
7381 * loop-invariant.c: Ditto.
7382 * loop-iv.c: Ditto.
7383 * ipa-prop.c: Ditto.
7384 * print-tree.c: Ditto.
7385 * conflict.c: Ditto.
7386 * ggc-page.c: Ditto.
7387 * sched-deps.c: Ditto.
7388 * regclass.c: Ditto.
7389 * tree-object-size.c: Ditto.
7390 * combine.c: Ditto.
7391 * bb-reorder.c: Ditto.
7392 * resource.c: Ditto.
7393 * var-tracking.c: Ditto.
7394 * cfgloop.c: Ditto.
7395 * df-problems.c: Ditto.
7396 * reg-stack.c: Ditto.
7397 * tlink.c: Ditto.
7398 * gccspec.c: Ditto.
7399 * sched-rgn.c: Ditto.
7400 * tree-ssa-structalias.c: Ditto.
7401 * tree-ssa-reassoc.c: Ditto.
7402 * config/darwin-c.c: Ditto.
7403 * config/darwin.c: Ditto.
7404 * config/arm/arm.c: Ditto.
7405 * cfgrtl.c: Ditto.
7406 * collect2.c: Ditto.
7407 * reload1.c: Ditto.
7409 2006-01-31 Nicolas Pitre <nico@cam.org>
7411 * arm.md (smaxsi3): Make aware of smax_m1.
7412 (smax_m1): New.
7414 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7416 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7418 2006-01-31 Richard Guenther <rguenther@suse.de>
7420 * doc/invoke.texi (-msselibm): Document.
7421 * target.h (expand_library_builtin): New target hook.
7422 * builtins.c (expand_builtin): Use expand_library_builtin.
7423 (default_expand_library_builtin): New function.
7424 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7425 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7426 (link_gcc_math_spec): Declare.
7427 (static_specs): Add link_gcc_math_spec.
7428 * expr.h (default_expand_library_builtin): Declare.
7429 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7430 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7431 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7432 * config/i386/i386.opt (msselibm): New target option.
7433 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7434 (ix86_init_sse_abi_builtins): New function.
7435 (ix86_expand_library_builtin): Likewise.
7436 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7437 (override_options): Handle error conditions wrt -msselibm.
7438 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7439 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7440 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7441 builtins.
7443 2006-01-31 Richard Guenther <rguenther@suse.de>
7444 Paolo Bonzini <bonzini@gnu.org>
7446 * doc/install.texi (--disable-libgcc-math): Document.
7448 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7450 * expr.h (expand_normal): new inline function.
7451 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7452 * dojump.c: use it.
7453 * dwarf2out.c: use it.
7454 * expr.c: use it.
7455 * calls.c: use it.
7456 * expmed.c: use it.
7457 * except.c: use it.
7458 * config/sparc/sparc.c: use it.
7459 * config/i386/i386.c: use it.
7460 * config/rs6000/rs6000.c: use it.
7461 * config/arm/arm.c: use it.
7462 * config/mips/mips.c: use it.
7463 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7465 2006-01-30 Roger Sayle <roger@eyesopen.com>
7467 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7468 argv to the appropriate type.
7470 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7472 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7473 unreachable code.
7475 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7477 PR target/26018
7478 * config/s390/s390.c (struct machine_function): New flag
7479 decomposed_literal_pool_addresses_ok_p.
7480 (s390_reorg): Set it before final stage of literal pool transforms.
7481 (s390_decompose_address): Only accept displacements of the form
7482 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7484 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7486 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7487 the comparison routine return.
7489 2006-01-30 Michael Matz <matz@suse.de>
7491 * global.c (find_reg): Only evict for global regs.
7492 Take n_refs into account and dump more info.
7494 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7496 PR target/14798:
7497 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7498 (pragma_trap, pragma_nosave_low_regs): Likewise.
7499 (current_function_anonymous_args): Likewise.
7500 (sh_deferred_function_attributes): New variable.
7501 (sh_deferred_function_attributes_tail): Likewise.
7502 (print_operand): For '@', look up trap_exit attribute.
7503 (calc_live_regs): Look up trapa_handler attribute. For trapa
7504 handlers, save/restore fpscr, but don't do any other
7505 interrupt-specific saves.
7506 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7507 Fix check for partially saved registers to check for SHmedia.
7508 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7509 (sh_output_function_epilogue): Don't clear any of the removed
7510 variables.
7511 (sh_insert_attributes): Don't check pragma_interrupt.
7512 Insert deferred attributes. Check that interrupt attribute is
7513 present for other attributes that require its presence.
7514 (sh_attribute_table): Add new attributes trapa_handler and
7515 nosave_low_regs.
7516 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7517 Don't check for pragma_interrupt. Don't store argument.
7518 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7519 (sh_deferred_function_attributes): Declare.
7520 (sh_deferred_function_attributes_tail): Likewise.
7521 * sh.md (sp_switch_1): Add operand. Change generator caller.
7522 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7523 (*return_i): Don't use when trap_exit attribute is in effect.
7524 (*return_trapa): New insn pattern.
7525 * sh-c.c: New file.
7526 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7527 setting c_target_objs and cxx_target_objs.
7528 * t-sh: Add rule for sh-c.o.
7530 2006-01-30 Richard Guenther <rguenther@suse.de>
7532 PR c++/23372
7533 * gimplify.c (gimplify_target_expr): Handle easy cases
7534 without creating a temporary.
7536 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7538 * vec.h (safe_grow): Remove duplicated line.
7540 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7542 PR 25874
7543 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7544 (expand_omp): ... here.
7545 (expand_omp_parallel): Only remove barriers for combined
7546 parallel+workshare constructs.
7548 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7550 Revert
7552 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7553 * tree.c (build_qualified_type): Chain the new type to the original
7554 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7555 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7556 (build_pointer_type_for_mode): Only return unqualified types.
7557 (build_reference_type_for_mode): Likewise.
7559 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7561 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7562 * Makefile.in (CXX_COMPAT_WARN): Define.
7563 * configure: Regenerate.
7565 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7567 PR tree-opt/25911
7568 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7569 to an if check.
7571 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7573 * toplev.c: Fix thinko.
7575 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7576 Marcin Dalecki <martin@dalecki.de>
7578 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7579 (push_srcloc): Use XNEW.
7580 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7582 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7584 * df-core.c (df_set_blocks): Deleted all variable.
7586 2006-01-28 Ian Lance Taylor <ian@airs.com>
7588 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7589 cgraph_output_pending_asms.
7591 2006-01-28 Zack Weinberg <zackw@panix.com>
7593 * c.opt: Add -W(no-)overlength-strings.
7594 * doc/invoke.texi: Document it.
7595 * c-opts.c (c_common_handle_option): -pedantic implies
7596 -Woverlength-strings, if not explicitly disabled already.
7597 (c_common_post_options): -Woverlength-strings defaults to off, and
7598 is always off for C++.
7599 * c-common.c (fix_string_type): Issue warning about strings longer
7600 than is portable only if warn_overlength_strings. Rearrange code
7601 a little for clarity.
7602 * configure.in: Check for -Wno-overlength-strings as well before
7603 enabling -pedantic in stage 1.
7604 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7605 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7607 * genconditions.c (write_header, write_one_condition)
7608 (write_conditions, write_writer): Consolidate very long strings
7609 that were broken up to fit in C89 portable limit. Don't use
7610 printf when fputs will do.
7612 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7614 * combine.c (simplify_comparison <AND>): Check
7615 TRULY_NOOP_TRUNCATION before start using a subreg.
7617 * config/mips/mips.md (*branch_zero<mode>,
7618 *branch_zero<mode>_inverted, *branch_equality<mode>,
7619 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7620 Remove mode check from comparisons.
7622 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7624 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7626 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7628 * expmed.c (const_mult_add_overflow_p): Remove.
7629 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7631 * recog.c (validate_replace_rtx_subexp): Remove.
7632 * recog.h: Remove the prototype for
7633 validate_replace_rtx_subexp.
7635 * integrate.h: Remove the prototype for
7636 copy_decl_for_inlining.
7637 * rtl.h: Remove the prototype for mark_constant_function.
7638 * tree-vectorizer.h: Remove the prototype for
7639 vect_strip_conversion.
7641 * modulo-sched.c (create_partial_schedule,
7642 free_partial_schedule, reset_partial_schedule): Make them
7643 static.
7645 * hooks.c (hook_bool_rtx_int_false): Remove.
7646 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7648 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7650 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7651 and -mlong-double-128 are incompatible.
7652 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7653 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7654 (TARGET_LIBGCC2_CFLAGS): Define.
7655 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7656 (TARGET_LIBGCC2_CFLAGS): Same.
7657 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7659 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7661 PR c/19606.
7662 * c-typeck.c (build_binary_op): Perform implicit casts of
7663 operands before shortening them.
7665 * cfgloopmanip.c (split_loop_bb): Remove.
7666 * cfgloop.h: Remove the prototype for split_loop_bb.
7668 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7669 * cfgloop.h: Remove the prototype for
7670 flow_loop_outside_edge_p.
7672 * emit-rtl.c (init_virtual_regs): Make it static.
7673 * function.h: Remove the prototype for init_virtual_regs.
7675 * recog.c (peephole2_optimize): Make it static.
7676 * recog.h: Remove the prototype for peephole2_optimize.
7678 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7680 * df-scan.c (df_record_entry_block_defs): Check if
7681 INCOMING_RETURN_ADDR_RTX is defined.
7683 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7684 Kenneth Zadeck <zadeck@naturalbridge.com>
7686 PR rtl-optimization/24762
7687 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7688 * targhooks.c (hook_void_bitmap): New hook prototype.
7689 * targhoohs.h (hook_void_bitmap): Ditto.
7690 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7691 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7692 * target.h (live_on_entry): New function pointer.
7693 * df-scan.c (df_all_hard_regs): Removed.
7694 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7695 (df_scan_free_internal): Added df->entry_block_defs.
7696 (df_scan_alloc): Ditto.
7697 (df_scan_dump): Ditto.
7698 (df_uses_record): Plumbed flag field properly thru calls.
7699 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7700 This part fixes PR24762.
7701 (df_bb_refs_record): Added code to make the frame and arg
7702 pointers live in EH blocks.
7703 (df_refs_record): Added call to df_record_entry_block_defs.
7704 (df_record_entry_block_defs): New function.
7705 * df-core.c: Added comments to describe new artifical defs.
7706 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7707 (entry_block_defs): New field in struct df.
7708 (df_all_hard_regs): Deleted.
7709 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7710 * df-problems.c (df_ru_bb_local_compute_process_def):
7711 Added code to handle artifical defs in the entry to a function.
7712 (df_ru_bb_local_compute): Ditto.
7713 (df_rd_bb_local_compute_process_def): Ditto.
7714 (df_rd_bb_local_compute): Ditto.
7715 (df_lr_bb_local_compute): Ditto.
7716 (df_ur_bb_local_compute): Ditto.
7717 (df_urec_bb_local_compute): Ditto.
7718 (df_chain_create_bb): Ditto.
7719 (df_ur_local_finalize): Removed entry.
7720 (df_urec_init): Ditto.
7721 (df_urec_local_finalize): Ditto.
7722 (df_ri_bb_compute): Added detection of last use of pseudos.
7723 * Makefile.in (df-scan.o): Updated dependencies.
7724 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7725 * config/mips/mips.c (mips_set_live_on_entry): Added.
7726 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7727 for target hook.
7728 * dce.c (marked_insn_p): Added code to handle artifical defs.
7730 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7732 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7733 intrinsic.
7734 (_mm_cvtsi128_si64): Likewise.
7735 (_mm_cvtsd_si64): Likewise.
7736 (_mm_cvttsd_si64): Likewise.
7737 (_mm_cvtsi64_sd): Likewise.
7738 (_mm_cvtsi64_si128): Likewise.
7739 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7740 (_mm_cvtsi64_m64): Likewise.
7741 (_m_to_int64): Likewise.
7742 (_mm_cvtm64_si64): Likewise.
7743 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7744 (_mm_cvttss_si64): Likewise.
7745 (_mm_cvtsi64_ss): Likewise.
7746 (_mm_cvtss_f32): Likewise.
7748 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7750 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7751 for pragma redefine_extname.
7753 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7755 PR target/25864
7756 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7757 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7758 -mno-minimal-toc to previous content.
7759 (bispecs): Remove goal.
7760 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7761 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7762 compatibility aliases on powerpc-*-*gnu*.
7763 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7764 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7765 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7766 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7767 (ldblspecs): New goal.
7768 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7769 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7770 _df_to_tf.
7771 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7772 L_sf_to_tf or L_df_to_tf is defined.
7774 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7775 Alan Modra <amodra@bigpond.net.au>
7777 PR target/25864
7778 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7779 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7780 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7781 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7782 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7783 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7784 (rs6000_override_options): Initialize rs6000_ieeequad.
7785 Initialize TFmode format to ibm_extended_format if not
7786 TARGET_IEEEQUAD.
7787 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7788 ieeelongdouble.
7789 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7790 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7791 (function_arg_advance): IBM long double passed in two FPRs, not
7792 split.
7793 (function_arg): IBM long double passed in FPRs.
7794 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7795 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7796 Only multireg GPR aligned.
7797 (rs6000_init_libfuncs): Enable IBM long double functions if not
7798 IEEEQUAD.
7799 (rs6000_generate_compare): Use IBM long double compare if not
7800 TARGET_IEEEQUAD.
7801 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7802 (TARGET_IEEEQUAD): Define.
7803 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7804 not TARGET_IEEEQUAD.
7805 * config/rs6000/rs6000.md: Enable TFmode patterns if
7806 !TARGET_IEEEQUAD.
7807 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7808 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7809 and -mlong-double-128 are incompatible.
7810 * doc/invoke.texi (-mabi): Collect options together. Add
7811 ibmlongdouble and ieeelongdouble.
7813 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7815 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7816 opaque type.
7817 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7818 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7819 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7820 * rtl.h (rtunion_def): Remove rt_ptr.
7821 (X0PTR): Delete.
7822 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7823 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7824 * config/i386/winnt.c (i386_pe_mark_dllexport)
7825 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7827 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7829 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7831 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7833 PR other/24829
7834 PR target/24831
7835 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7836 pthread_key_delete. From John David Anglin. gthrw-ify
7837 pthread_getunique_np only if it it's not a macro. Delete
7838 UNUSED macro.
7839 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7840 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7841 __gthread_objc_condition_signal, __gthread_key_delete): Add
7842 "__attribute__ ((__unused__))" to unused arguments.
7843 (__gthread_recursive_mutex_init_function): Add missing return.
7844 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7845 gthr-posix95.h: Use macro-based approach for name redirection
7846 on targets missing weakref.
7848 2006-01-26 Zack Weinberg <zackw@panix.com>
7850 * genconditions.c (write_header): In generated code, #ifdef out
7851 all includes and fake declarations, except includes of bconfig.h
7852 and system.h, unless GCC_VERSION >= 3001. Do not include
7853 gensupport.h in any case.
7854 (write_conditions): Generate a definition of struct c_test. Add
7855 a comment to the generated #endif.
7856 (write_one_condition): Escape backslashes in string too.
7857 (write_writer): Generated code must escape backslashes and quote
7858 marks (but not newlines) in the strings it writes.
7859 * Makefile.in (build/gencondmd.o): Update dependencies.
7861 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7863 PR target/25961
7864 * Makefile.in (insn-automata.o): Add header file dependencies.
7865 * genautomata.c: Add includes.
7867 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7869 PR target/25961
7870 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7872 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7874 * configure.ac: Expect target tools paths to be passed from the toplevel
7875 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7876 AS_SET_VAR_IF.
7877 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7879 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7881 PR c/25892
7882 * c.opt (Wpointer-sign): Init to -1.
7883 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7884 OPT_pedantic, to 0 otherwise.
7885 * doc/invoke.texi: Update.
7887 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7889 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7890 constants provided by 80387 instructions in the destination mode.
7892 2006-01-26 Richard Guenther <rguenther@suse.de>
7893 Andrew Pinski <pinskia@physics.uc.edu>
7895 PR tree-opt/21470
7896 partial PR tree-opt/17064
7897 * tree-ssa-structalias.c (intra_create_variable_infos):
7898 Create heap variables for incoming parameters if
7899 flag_argument_noalias > 1.
7900 (find_what_p_points_to): Look through default defs of
7901 parameter decls.
7903 2006-01-26 Jeff Law <law@redhat.com>
7905 PR ada/25900
7906 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7907 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7908 within the VR_RANGE, use the VR_RANGE as the result, not the
7909 VR_ANTI_RANGE.
7910 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7911 bounds for the type.
7913 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7915 * tree-ssa-alias.c (maybe_create_global_var): Change
7916 subvar walking to an assertion that we don't have subvar'd variables.
7918 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7920 PR C/25861
7921 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7922 Use a new variable, inner. PARM_DECLs are always non-weak.
7924 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7926 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7927 --disable-checking.
7929 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7931 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7933 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7935 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7936 (smax_insn, smin_insn, smax_0, smin_0): New.
7938 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7940 PR target/25947
7941 * config/cris/cris.c (cris_order_for_addsi3): New function.
7942 * config/cris/cris-protos.h: Prototype it.
7943 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7944 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7945 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7946 (split for "op.S1 [rx=rx+i],ry (swapped)")
7947 (split for "op(s|u).S1 [rx=rx+i],ry")
7948 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7949 Apply cris_order_for_addsi3 when generating addsi3 insns.
7951 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7953 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7954 (TREE_BLOCK): Add call to EXPR_CHECK.
7956 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7958 PR 25886
7959 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7960 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7961 (dump_omp_clauses): ... here.
7962 (dump_generic_node): Handle OMP_CLAUSE.
7963 * tree.c (omp_clause_num_ops): New.
7964 (omp_clause_code_name): New.
7965 (tree_code_size): Handle OMP_CLAUSE.
7966 (tree_size): Likewise.
7967 (make_node): Document handling of OMP_CLAUSE.
7968 (tree_node_structure): Handle OMP_CLAUSE.
7969 (omp_clause_check_failed): New.
7970 (omp_clause_range_check_failed): New.
7971 (omp_clause_operand_check_failed): New.
7972 (build_omp_clause): New.
7973 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7974 * tree.h (enum omp_clause_code): Declare.
7975 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7976 (OMP_CLAUSE_RANGE_CHECK): Define.
7977 (OMP_CLAUSE_ELT_CHECK): Define.
7978 (omp_clause_check_failed): Declare.
7979 (omp_clause_operand_check_failed): Declare.
7980 (omp_clause_range_check_failed): Declare.
7981 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7982 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7983 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7984 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7985 (OMP_CLAUSE_IF_EXPR): Likewise.
7986 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7987 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7988 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7989 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7990 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7991 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7992 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7993 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7994 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7995 (OMP_CLAUSE_CODE): Define.
7996 (OMP_CLAUSE_SET_CODE): Define.
7997 (OMP_CLAUSE_CODE): Define.
7998 (OMP_CLAUSE_OPERAND): Define.
7999 (struct tree_omp_clause): Declare.
8000 (union tree_node): Add field 'omp_clause'.
8001 * treestruct.def (TS_OMP_CLAUSE): Define.
8002 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8003 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8004 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8005 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8006 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8007 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8008 (OMP_CLAUSE): Define.
8009 * print-tree.c (print_node): Handle OMP_CLAUSE.
8010 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8011 * c-typeck.c: Likewise.
8012 * gimplify.c: Likewise.
8013 * c-omp.c: Likewise.
8014 * tree-nested.c: Likewise.
8015 * tree-inline.c: Likewise.
8016 * c-parser.c: Likewise.
8017 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8018 clauses.
8020 2006-01-25 Roger Sayle <roger@eyesopen.com>
8022 PR rtl-optimization/25703
8023 * combine.c (try_combine): Handle zero_extract and strict_low_part
8024 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8026 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8028 * global.c: Fix comment typos.
8030 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8032 PR target/25758
8033 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8034 Use output_addr_const instead of assemble_name.
8036 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8038 * Makefile.in (sched-vis.o): Update dependencies.
8039 * haifa-sched.c (sched_finish): Clear current_sched_info.
8040 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8041 (dump_flow_info): Call it.
8042 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8043 a slim RTL dump.
8044 * basic-block.h (dump_bb_info): Declare.
8045 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8046 option, and apply options only for dump files whose TDF_RTL,
8047 TDF_TREE, or TDF_IPA bits match.
8048 * rtl.h: Declare new functions exported from sched-vis.c.
8049 * sched-vis.c: Enable also if scheduling is not used.
8050 (print_value): Print the mode of registers if not inside scheduling.
8051 (print_insn): Make it work outside the scheduler. Beautify the output
8052 a bit.
8053 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8055 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8057 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8058 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8059 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8060 depending on the value of CONSTANT_POOL_ADDRESS_P.
8061 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8062 SYMBOL_REF_DECL.
8063 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8064 rather than SYMBOL_REF_DECL.
8065 (rtx_constant_pool): Remove const_rtx_sym_htab.
8066 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8067 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8068 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8069 Remove handling of const_rtx_sym_htab.
8070 (find_pool_constant): Delete.
8071 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8072 rather than find_pool_constant.
8073 (get_pool_constant_for_function): Delete.
8074 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8075 find_pool_constant.
8076 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8077 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8078 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8079 (SYMBOL_REF_CONSTANT): New macro.
8080 (get_pool_constant_for_function): Delete.
8081 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8082 rather than SYMBOL_REF_DECL.
8083 (i386_pe_mark_dllimport): Likewise.
8084 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8085 rather than SYMBOL_REF_DECL.
8086 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8087 (machopic_indirect_call_target): Likewise.
8089 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8091 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8093 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8095 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8097 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8099 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8101 2006-01-24 David Daney <ddaney@avtrex.com>
8103 PR java/25816
8104 * configure.ac (enable_tls): New enable option.
8105 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8106 * configure: Regenerate.
8107 * doc/install.texi (--enable-tls): Document new option.
8108 (--disable-tls): Ditto.
8110 2006-01-24 Richard Henderson <rth@redehat.com>
8112 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8113 * alias.c (true_dependence): Respect it.
8114 (canon_true_dependence, write_dependence_p): Likewise.
8115 * builtins.c (get_builtin_sync_mem): Set it.
8117 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8119 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8120 efficient way.
8122 2006-01-24 DJ Delorie <dj@redhat.com>
8124 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8125 for storing constants in single-bit bitfields.
8127 2006-01-25 Ben Elliston <bje@au.ibm.com>
8129 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8131 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8133 PR tree-opt/25860
8134 * tree-ssa-pre.c (phi_translate): Return NULL
8135 for AGGREGATE_TYPE's.
8137 2006-01-24 Zack Weinberg <zackw@panix.com>
8139 * genautomata.c (process_state_for_insn_equiv_partition):
8140 Use xcalloc for insn_arcs_array.
8141 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8142 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8144 2006-01-24 Richard Henderson <rth@redhat.com>
8146 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8147 update all callers.
8149 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8151 PR rtl-optimization/25890
8152 PR rtl-optimization/25905
8153 * combine.c (expand_compound_operation, expand_field_assignment):
8154 Fail if the bitfield's final position is out of bounds.
8156 2006-01-24 Ian Lance Taylor <ian@airs.com>
8158 PR middle-end/25930
8159 * cgraphunit.c (cgraph_output_in_order): Don't clear
8160 cgraph_asm_nodes until after asm strings have been output.
8162 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8164 * fix-header.c (read_scan_file): Add new parameter imultilib when
8165 calling register_include_chains.
8167 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8169 * omp-low.c: Update documentation.
8171 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8172 Daniel Berlin <dberlin@dberlin.org>
8174 PR tree-opt/25315
8175 PR tree-opt/25857
8176 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8177 return from the function.
8179 2006-01-22 Zack Weinberg <zackw@panix.com>
8181 * rtl.def (match_code): Add second argument.
8182 * genpreds.c (write_extract_subexp): New function.
8183 (write_match_code): Add path argument. Use write_extract_subexp.
8184 (write_predicate_expr): Pass path to write_match_code.
8185 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8186 not perform a mode test.
8187 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8188 a subexpression does not constrain the top-level code set.
8189 * read-rtl.c (read_rtx_variadic): New function.
8190 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8191 * doc/md.texi: Document new notation.
8192 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8193 (cmpsi_operand): ... here, using new notation.
8195 2006-01-22 Zack Weinberg <zackw@panix.com>
8197 * varray.c: Remove GENERATOR_FILE #ifdefs.
8199 2006-01-22 Zack Weinberg <zackw@panix.com>
8201 * genautomata.c (output_reserved_units_table): Emit nothing if
8202 description->query_units_num is zero. Remove extra blank line.
8203 (output_cpu_unit_reservation_p): Short circuit
8204 if description->query_units_num is zero.
8206 2006-01-22 Zack Weinberg <zackw@panix.com>
8208 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8209 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8210 nor any of the random handful of variables that used to be necessary
8211 when this program was linked with rtlanal.o. Prune set of forward
8212 function declarations.
8213 (struct attr_desc): Remove static_p field.
8214 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8215 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8216 (attr_string): Do not read the character one past the length of
8217 the string.
8218 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8219 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8220 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8221 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8222 (make_automaton_attrs): New.
8223 (main): Do not call into genautomata. Call local gen_bypass
8224 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8225 Remove special case for insn_alts.
8226 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8227 varray.h (leftover from previous change). Prune set of forward
8228 function declarations. Remove state_alts fields from all
8229 structures. Remove state_alts_table from struct automaton.
8230 Make everything except main static. Do not maintain num_dfa_decls.
8231 Do not maintain state_alts fields of various structures.
8232 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8233 (add_arc): Remove state_alts argument. All callers updated.
8234 (output_reserved_units_table): Emit #ifdef here...
8235 (output_tables): ...not here. Don't generate state_alts tables.
8236 (expand_automata): Don't generate attributes.
8237 (write_automata): Don't generate state_alts functions.
8238 (main): New function.
8239 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8240 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8241 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8242 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8243 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8244 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8245 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8246 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8247 Delete.
8248 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8249 * genattrtab.h: Delete file.
8250 * Makefile.in (OBJS-common): Add insn-automata.o.
8251 (insn-automata.o): New rule.
8252 (simple_generated_c): Add insn-automata.c.
8253 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8254 (genprogmd): Add automata.
8255 (build/genattrtab): Needs no extra objects nor libraries.
8256 (build/genautomata): Needs build/vec.o and -lm.
8258 2006-01-22 Zack Weinberg <zackw@panix.com>
8260 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8261 (output_dfa_max_issue_rate, locked_states_num): Delete.
8262 (struct automaton): Add locked_states field.
8263 (output_dead_lock_vect): Save number of locked states in
8264 automaton->locked_states. If it is zero, don't print anything.
8265 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8266 (output_internal_dead_lock_func): Only test the dead_lock_vect
8267 for automata that have locked states.
8268 (output_statistics): Always print the number of locked states for
8269 each automaton. Calculate total number of locked states here.
8270 (write_automata): Don't call output_dfa_max_issue_rate.
8271 * genattrtab.c: Define length_unit_log as a const variable.
8272 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8273 max_insn_queue_index const.
8274 * final.c (length_unit_log): Declare const.
8275 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8277 2006-01-22 Zack Weinberg <zackw@panix.com>
8279 * genautomata.c: Include vec.h, not varray.h.
8280 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8281 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8282 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8283 VEC_* macros operating on appropriately typed vectors, or to
8284 malloced arrays when the size is known in advance. Const-ify
8285 many char* variables and function arguments. No functional changes.
8286 * Makefile.in (build/varray.o): Delete rule.
8287 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8288 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8290 2006-01-22 Zack Weinberg <zackw@panix.com>
8292 * gensupport.c: Define get_insn_name and record_insn_name here.
8293 (read_md_rtx): Call record_insn_name as appropriate.
8294 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8295 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8296 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8297 record_insn_name.
8298 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8299 (BUILD_VARRAY): Delete.
8300 (genprognormal): Rename genprogmd. Fold in all programs from
8301 genprognoprint; also attrtab.
8302 (build/genattrtab): Just mention genautomata.o and varray.o.
8303 Reorganize a bit, add comments to make the categories clearer.
8305 2006-01-22 Zack Weinberg <zackw@panix.com>
8307 * genconditions.c (condition_table, add_condition): Delete.
8308 (write_conditions): Don't emit n_insn_conditions nor
8309 insn_elision_unavailable. Issue the gcc version #ifdef here,
8310 inside the table, with no #else clause ...
8311 (write_header): ...not here.
8312 (write_writer): New function.
8313 (main): Don't initialize condition_table. Use add_c_test.
8314 Call write_writer.
8315 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8316 files on the command line.
8317 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8318 Return -1 if there is no entry in the table, don't abort.
8319 (add_c_test, traverse_c_tests): New functions.
8320 * gensupport.h (insn_elision_unavailable, insn_conditions)
8321 (n_insn_conditions): Delete declarations.
8322 (add_c_test, traverse_c_tests): Declare.
8323 * read-rtl.c: Include gensupport.h.
8324 (read_conditions): New function.
8325 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8326 (read_rtx_1): If we get EOF when we were looking for an initial
8327 open paren, return 0. Call read_conditions when appropriate.
8328 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8329 dummy-conditions.o. Eliminate references to insn-conditions.o,
8330 or change them to build/gencondmd.o, as appropriate. Remove
8331 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8332 from $(simple_generated_c). For all files remaining in those
8333 two lists, add insn-conditions.md to the generator command line.
8334 Give insn-constants.h/s-constants their own rules. Add rules
8335 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8336 (build/read-rtl.o): Depend on gensupport.h.
8337 (genprognormal): Include preds.
8338 (genprogearly): Rename genprognoprint; only difference is now that
8339 they don't link with $(BUILD_PRINT).
8340 * dummy-conditions.c: Delete.
8342 2006-01-22 Zack Weinberg <zackw@panix.com>
8344 * genextract.c: Don't include insn-config.h. Do include vec.h.
8345 Declare vectors of int, char, and locstr.
8346 (locstr): New typedef.
8347 (struct extraction): Make all array fields into bare pointers.
8348 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8349 (insn_code_number): Delete.
8350 (accum_extract): New struct.
8351 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8352 (gen_insn): Take insn_code_number as an argument. Use an
8353 accum_extract structure instead of loading data directly into
8354 a struct extraction, and having to know how big it might get.
8355 (walk_rtx): Operate entirely on an accum_extract structure.
8356 (print_path): Avoid unnecessary use of printf.
8357 (print_header): New function, split out of main. Distinguish
8358 more carefully between an unrecognizable insn and an insn that
8359 has the code number of a define_expand.
8360 (main): Pass insn_code_number to gen_insn. Call print_header
8361 only after parsing. Avoid unnecessary use of printf.
8362 * Makefile.in (build/vec.o): New rule.
8363 (build/genextract): Depend on build/vec.o.
8364 (build/genextract.o): Don't depend on insn-config.h.
8366 2006-01-22 Zack Weinberg <zackw@panix.com>
8368 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8369 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8370 practical. Eliminate per-generator-program link rules.
8372 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8374 PR middle-end/24437
8375 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8376 with a call expr to ...
8377 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8379 2006-01-23 Richard Guenther <rguenther@suse.de>
8381 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8382 before make_edge with conditional EDGE_TRUE_VALUE.
8384 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8385 Jan Hubicka <jh@suse.cz>
8386 Richard Guenther <rguenther@suse.de>
8388 PR rtl-optimization/25654
8389 * cfgexpand.c (aggregate_contains_union_type): New function.
8390 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8391 for structure variables that contain a union type.
8393 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8395 * gengtype.c (new_structure): Return the structure.
8396 (create_option): Add an extra "next" argument.
8397 (create_field): New function.
8398 (adjust_field_rtx_def): Use create_option and create_field.
8399 Remove a now-unnecessary call to find_structure.
8400 (adjust_field_tree_def): Likewise.
8401 (note_yacc_type): Remove an unnecessary call to find_structure.
8402 * gengtype.h (new_structure): Return the structure.
8403 (create_option): Add an extra argument.
8404 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8405 (option): Adjust calls to create_option.
8407 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8409 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8411 2006-01-22 Paul Brook <paul@codesourcery.com>
8412 Peter Barada <peter@the-baradas.com>
8414 * config/m68k/m68k.md: Add Coldfire FPU support.
8415 Define FP mode macro and associated attributes.
8416 Use it for float mode patterns.
8417 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8418 (LIBCALL_VALUE): Use m68k_libcall_value.
8419 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8420 (m68k_function_value): Ditto.
8421 (emit_move_sequence): Ditto.
8422 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8423 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8424 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8425 (MULTILIB_EXCEPTIONS): Ditto.
8426 * config/m68k/m68k.opt: Add mcfv4e.
8427 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8428 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8429 (m68k_output_function_prologue): Save ColdFire FPU registers.
8430 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8431 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8432 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8433 ColdFire FPU registers.
8434 (m68k_libcall_value, m68k_function_value): New functions.
8435 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8436 (LIBCALL_VALUE): Use m68k_libcall_value.
8437 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8438 (MASK_COLDFIRE): Add MASK_CFV4E.
8439 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8440 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8441 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8442 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8443 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8444 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8445 * doc/invoke.tex: Document -mcfv4e on m68k.
8447 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8449 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8450 URL.
8452 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8454 PR c++/16190
8455 * c-opts.c (c_common_handle_option): Don't include
8456 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8457 * doc/invoke.texi (C++ Dialect Options): Document that
8458 -Wnon-virtual-dtor is no longer included in -Wall.
8460 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8462 * gcov.c (print_version), gcov-dump.c (print_version),
8463 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8464 dates.
8466 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8468 * df-scan.c (problem_SCAN): Added NULL reset function.
8469 (df_scan_reset_blocks): Added code to call reset block function
8470 (df_bb_refs_delete) Fixed comment.
8471 (df_insn_refs_delete): Made tolerant of deleting non existent info
8472 for dataflow problems that need to be reset.
8473 * df-core.c (df_set_blocks): Ditto.
8474 * df.h (struct df_problem): Added reset_fun.
8475 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8476 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8477 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8478 functions to clear out all references to def-use or use-def chains.
8480 2006-01-21 Ben Elliston <bje@au.ibm.com>
8482 * varasm.c (assemble_real): Initialise data array.
8484 2006-01-20 Paul Brook <paul@codesourcery.com>
8486 Merge from csl-arm-branch.
8487 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8488 * config/arm/arm.md (movdi): Force operands[1] to a register
8489 if we have a non-register source.
8490 (*arm_movdi, *movdf_soft_insn): Require that one of the
8491 operands be a register.
8492 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8493 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8495 2006-01-20 DJ Delorie <dj@redhat.com>
8497 * varasm.c (initialize_constant_valid_p): Allow pointers
8498 initialized from integer constants of lesser precision.
8499 (output_constant): Allow non-int-sized pointer modes to be
8500 initialized from integer constants.
8502 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8504 PR libstdc++/25524
8505 * cppdefault.h (struct default_include): Add multilib flag.
8506 * cppdefault.c (cpp_include_defaults): Set it.
8507 * c.opt (-imultilib): New option.
8508 * c-opts.c (imultilib): New.
8509 (c_common_handle_option): Handle -imultilib.
8510 (c_common_post_options): Likewise.
8511 * c-incpath.c (add_standard_paths, register_include_chains):
8512 Likewise.
8513 * c-incpath.h (register_include_chains): Add extra parameter.
8514 * gcc.c (do_spec_1): Generate -imultilib option.
8515 (The Specs Language): Update %I description.
8516 (process_command): Update copyright notice.
8517 * doc/cppopts.texi (-imultilib): Document.
8518 * doc/invoke.texi (-imultilib): Include in option summary.
8519 (%I): Update specs documentation.
8521 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8523 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8525 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8527 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8528 label numbers.
8530 2006-01-20 Richard Guenther <rguenther@suse.de>
8531 Steven Bosscher <stevenb.gcc@gmail.com>
8533 PR rtl-optimization/24626
8534 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8535 EDGE_TRUE_VALUE if in RTL mode.
8537 Revert
8538 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8539 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8541 2006-01-20 Dirk Mueller <dmueller@suse.com>
8543 PR c++/5520
8544 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8545 instead of a special NOP marker.
8546 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8547 NOP marker handling.
8548 * c-common.h (empty_body_warning): Add forward declaration.
8549 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8550 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8552 2006-01-20 Paul Brook <paul@codesourcery.com>
8554 * Makefile.in (lang_checks): Keep going if mkdir fails.
8556 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8558 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8559 be able to clean out basic block when not necessary.
8560 (df_scan_free): Fixed to properly delete information if df is
8561 unused before calling df_finish.
8562 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8563 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8564 or comment typos.
8565 (df_bb_refs_delete): New function.
8566 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8567 * df-core.c (df_set_blocks): Added code to properly clean out
8568 unused blocks if they are not part of the blocks to consider.
8569 Added additional null check.
8570 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8571 be able to clean out basic block when not necessary
8572 * df.h (df_free_bb_function): Ditto.
8573 (df_bb_refs_delete): New function.
8574 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8575 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8576 basic block parameter to be able to clean out basic block when not
8577 necessary.
8578 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8579 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8580 Fixed to properly delete information if df is unused before
8581 calling df_finish.
8583 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8585 PR rtl-optimization/25799
8586 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8587 Corrected confluence operator to remove bits from op2 before oring
8588 with op1 rather than removing bits from op1.
8589 (df_ru_transfer_function): Corrected test on wrong bitmap which
8590 caused infinite loop. Both of these problems were introduced in
8591 the dataflow rewrite.
8593 2006-01-19 DJ Delorie <dj@redhat.com>
8595 * reload1.c (find_reload_regs): Note the details of reload
8596 failures in the dump file.
8597 (spill_failure): Likewise.
8599 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8601 * loop-iv.c: Include df.h and hashtab.h.
8602 (enum iv_grd_result): New enum.
8603 (DF_REF_IV, DF_REF_IV_SET): New macros.
8604 (struct biv_entry): New.
8605 (df, bivs): New global variables.
8606 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8607 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8608 Removed.
8609 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8610 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8611 analyzed_for_bivness_p, record_biv): New functions.
8612 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8613 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8614 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8615 UD chains.
8616 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8617 analysed.
8618 (iv_number_of_iterations): Use new interface to iv analysis.
8619 * loop-unroll.c: Do not include varray.h.
8620 (analyze_iv_to_split_insn): Use new interface to iv
8621 analysis.
8622 * loop-unswitch.c (may_unswitch_on): Ditto.
8623 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8624 allocated.
8625 (df_bb_modify): Realloc tables to the new index.
8626 (df_find_use): New function.
8627 * df.h (df_find_use): Declare.
8628 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8629 outmode.
8630 * cfgloop.h (struct rtx_iv): Remove analysed field.
8631 (iv_get_reaching_def): Removed.
8632 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8633 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8634 (loop-iv.o): Add df.h and hashtab.h dependency.
8635 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8637 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8639 PR target/25668
8640 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8641 Double TFmode.
8642 (__floatundisf, __floatundidf): Likewise.
8643 * libgcc2.h (IS_IBM_EXTENDED): Define.
8645 2006-01-19 DJ Delorie <dj@redhat.com>
8647 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8649 2006-01-19 Paul Brook <paul@codesourcery.com>
8651 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8652 as nothrow when unwinding tables are disabled.
8654 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8656 PR testsuite/25171
8657 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8658 of bit-field" when in system header.
8660 2006-01-19 DJ Delorie <dj@redhat.com>
8662 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8663 the 16 bit shift limit of the m16c.
8665 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8667 PR target/22099
8668 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8669 * config/i386/i386.c (output_set_got): Output the label if we have one
8670 for the TARGET_DEEP_BRANCH_PREDICTION case.
8672 2006-01-19 Jan Hubicka <jh@suse.cz>
8673 H.J. Lu <hongjiu.lu@intel.com>
8674 Evandro Menezes <evandro.menezes@amd.com>
8676 * invoke.texi (generic): Document
8677 (i686) Update.
8678 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8679 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8680 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8681 (x86_use_incdec, x86_pad_returns): New variables
8682 (TARGET_CPU_DEFAULT_generic): New constant
8683 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8684 (enum processor_type): Add generic32 and generic64.
8685 * i386.md (cpu attribute): Add generic32/generic64
8686 (movhi splitter): Behave sanely when both partial_reg_dependency and
8687 partial_reg_stall are set.
8688 (K8 splitters): Enable for generic as well.
8689 * predicates.md (incdec_operand): Use TARGET_INCDEC
8690 (aligned_operand): Avoid memory mismatch stalls.
8691 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8692 * ppro.md: Enable for generic32
8693 * i386.c (generic64_cost, generic32_cost): New.
8694 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8695 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8696 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8697 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8698 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8699 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8700 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8701 x86_accumulate_outgoing_args, x86_prologue_using_move,
8702 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8703 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8704 Enable for generic.
8705 (x86_use_incdec, x86_pad_returns): New.
8706 (override_options): Add generic32 and generic64, translate "generic"
8707 to generic32/generic64 and "i686" to "generic32", refuse
8708 "generic32"/"generic64" as arch target.
8709 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8710 (ix86_reorg): Honor PAD_RETURNS.
8712 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8714 * tree-pretty-print.c (dump_generic_node): Handle
8715 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8716 * cgraph.c (cgraph_expand_queue): Rename from
8717 cgraph_analyze_queue. Update all users.
8718 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8719 cgraph_expand_queue.
8720 (cgraph_expand_all_functions): Likewise.
8721 (cgraph_finalize_pending_functions): Remove. Update callers.
8723 * tree.h (OMP_DIRECTIVE_P): Define.
8724 (OMP_PARALLEL_FN): Define.
8725 (OMP_PARALLEL_DATA_ARG): Define.
8726 (OMP_SECTIONS_SECTIONS): Define.
8727 * tree-pass.h (pass_expand_omp): Declare.
8728 * omp-low.c (struct omp_region): Declare.
8729 (struct omp_context): Remove fields 'parallel_type',
8730 'parallel_start_ix' and 'parallel_start_additional_args'.
8731 Update all users.
8732 (struct omp_for_data): Rename from struct expand_omp_for_data.
8733 (omp_regions): New static variable.
8734 (root_omp_region): New static variable.
8735 (find_omp_clause): Make static.
8736 (is_in_combined_parallel_ctx): Remove.
8737 (is_combined_parallel): New.
8738 (extract_omp_for_data): Move earlier in the file.
8739 (workshare_safe_to_combine_p): New.
8740 (get_ws_args_for): New.
8741 (determine_parallel_type): Move earlier in the file.
8742 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8743 child function.
8744 (omp_copy_decl): Likewise.
8745 (create_omp_child_function): Likewise.
8746 (lookup_omp_region): New.
8747 (dump_omp_region): New.
8748 (debug_omp_region): New.
8749 (debug_all_omp_regions): New.
8750 (new_omp_region): New.
8751 (scan_omp_parallel): If parallel_nesting_level > 1, the
8752 directive is nested within another parallel directive.
8753 Set OMP_PARALLEL_FN.
8754 (scan_omp_for): Do not try to handle combined parallel+for
8755 cases.
8756 Remove FIXME comment.
8757 (scan_omp_nested): Remove.
8758 (scan_omp_1): Do not call scan_omp_nested when
8759 parallel_nesting_level is > 1.
8760 Do not change the DECL_CONTEXT of local variables found.
8761 (lookup_decl_in_outer_ctx): New.
8762 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8763 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8764 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8765 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8766 If CTX is nested, lookup VAR in the outer context when
8767 building copy assignment.
8768 (lower_send_clauses): Rename from expand_send_clauses.
8769 If CTX is nested, lookup VAR in the outer context when
8770 building copy assignments.
8771 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8772 If CTX is nested, lookup VAR in the outer context when
8773 building copy assignments.
8774 (expand_parallel_call): Rename from build_parallel_call.
8775 Handle combined parallel+workshare cases.
8776 Re-implement to emit code into the CFG.
8777 (list2chain): New.
8778 (expand_omp_parallel): Re-implement to emit code into the CFG.
8779 Call move_sese_region_to_fn to outline the sub-graph
8780 containing the parallel region.
8781 (expand_omp_for_1): Remove.
8782 (expand_omp_for_generic): Re-implement to emit code into the
8783 CFG.
8784 (expand_omp_for_static_nochunk): Likewise.
8785 (expand_omp_for_static_chunk): Likewise.
8786 (expand_omp_for): Likewise.
8787 (expand_omp_sections): Likewise.
8788 (remove_exit_barriers): New.
8789 (expand_omp_synch): New.
8790 (expand_omp): New.
8791 (build_omp_regions_1): New.
8792 (build_omp_regions): New.
8793 (execute_expand_omp): New.
8794 (gate_expand_omp): New.
8795 (pass_expand_omp): Define.
8796 (lower_omp_sections): Rename from expand_omp_sections.
8797 Set OMP_SECTIONS_SECTIONS.
8798 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8799 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8800 (lower_omp_single): Rename from expand_omp_simple.
8801 (lower_omp_master): Rename from expand_omp_master.
8802 (lower_omp_ordered): Rename from expand_omp_ordered.
8803 (lower_omp_critical): Rename from expand_omp_critical.
8804 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8805 (lower_omp_for): Re-implement.
8806 (lower_omp_parallel): Re-implement.
8807 (lower_regimplify): Rename from expand_regimplify.
8808 (lower_omp_1): Rename from expand_omp_1.
8809 If there are syntax errors in the program, replace every
8810 OpenMP directive with NOP.
8811 Call lower_omp_* instead of expand_omp_*.
8812 (lower_omp): Rename from expand_omp.
8814 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8815 * tree-gimple.h (enum omp_parallel_type): Remove.
8816 (gimple_boolify): Declare extern.
8817 (find_omp_clause, determine_parallel_type): Remove.
8819 * gimple-low.c (lower_omp_directive): New.
8820 (lower_stmt): Call it.
8821 (record_vars_into): Move from ...
8822 (record_vars): ... here.
8823 Call record_vars_into with current_function_decl.
8825 * gimplify.c (struct gimplify_ctx): Remove fields
8826 combined_pre_p and combined_ctxp. Update users.
8827 (get_formal_tmp_var): Add documentation.
8828 (gimple_boolify): Make extern.
8829 (gimplify_expr_in_ctx): Remove. Update callers.
8830 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8831 will always be a BIND_EXPR.
8832 (gimplify_expr): Handle OMP_RETURN_EXPR.
8833 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8834 (OMP_PARALLEL): Add 3 operands.
8835 (OMP_SECTIONS): Add 1 operand.
8836 (OMP_RETURN_EXPR): Define.
8838 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8839 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8840 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8841 creating a circular free list.
8842 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8844 * tree-flow.h (move_sese_region_to_fn): Declare.
8845 (record_vars_into): Declare.
8846 * tree-cfg.c (make_omp_sections_edges): New.
8847 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8848 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8849 OMP_SECTIONS and OMP_SECTION.
8850 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8851 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8852 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8853 (gather_blocks_in_sese_region): New.
8854 (struct move_stmt_d): Declare.
8855 (move_stmt_r): New.
8856 (move_block_to_fn): New.
8857 (move_sese_region_to_fn): New.
8859 * passes.c (init_optimization_passes): Schedule
8860 pass_expand_omp after pass_init_datastructures.
8862 * tree-ssa-operands.c (get_expr_operands): Handle
8863 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8864 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8866 2006-01-19 Jeff Law <law@redhat.com>
8868 * tree-vrp.c (extract_range_from_assert): Refine the result range
8869 if the variable referenced by the ASSERT_EXPR has a range and
8870 either the tentative result range or the previous range is a
8871 VR_ANTI_RANGE.
8873 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8875 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8877 2006-01-19 Jan Hubicka <jh@suse.cz>
8879 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8881 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8883 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8884 (expand_compound_operation, expand_field_assignment): Fail if the
8885 bit lengths of an extract operation are out of range.
8886 (make_extraction): Compute wanted_inner_mode based on the position
8887 and length of the extraction. Make it extraction_mode for non-constant
8888 positions, and do not modify offset in that case. When generating a
8889 new MEM, use a mode that can hold the extraction while keeping correct
8890 alignment. Remove code that supported MEMs wrapped by USEs.
8891 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8893 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8895 * config/s390/s390.md ("Y", "y"): New mode attribute.
8896 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8897 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8898 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8899 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8900 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8901 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8902 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8903 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8904 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8905 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8906 "addsi3", "subsi3"): Insn patterns removed.
8907 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8908 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8909 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8910 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8911 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8912 "*sub<mode>3_cconly2"): New insn patterns.
8913 ("addsi3", "subsi3"): New expanders.
8915 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8917 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8918 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8919 existing STMT_VINFO_VECTYPE if available.
8920 (vect_mark_relevant): Add special handling for stmts that are
8921 marked as STMT_VINFO_IN_PATTERN_P.
8922 (vect_analyze_loop): Call vect_pattern_recog.
8923 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8924 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8925 stmt_info.
8926 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8927 (vect_recog_func_ptr): New function-pointer type.
8928 * tree-vect-patterns.c: New file.
8929 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8930 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8931 (vect_pattern_recog_1): New functions.
8932 (vect_pattern_recog_funcs): New array of function pointers.
8934 * tree-vectorizer.h (ternary_op): New enum value.
8935 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8936 declaration. Revised documentation. Removed redundant dump prints.
8937 Removed redundant argument. Added support for reduction patterns.
8938 (vectorizable_reduction): Added support for reduction patterns.
8939 (vect_transform_stmt): Added support for patterns.
8941 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8942 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8943 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8944 (expand_widen_pattern_expr): New function.
8945 (init_optabs): Initialize new optabs udot_prod_optab,
8946 sdot_prod_optab.
8947 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8948 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8949 (expand_widen_pattern_expr): New function declaration.
8950 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8951 tree-codes.
8952 * tree-inline.c (estimate_num_insns_1): Added cases for new
8953 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8954 * tree-pretty-print.c (dump_generic_node): Likewise.
8955 (op_prio): Likewise.
8956 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8957 * tree-ssa-operands.c (get_expr_operands): Added case for
8958 DOT_PROD_EXPR.
8959 * tree-vect-patterns.c (widened_name_p): New function.
8960 (vect_recog_dot_prod_pattern): Added function implementation.
8961 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8962 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8963 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8964 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8966 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8967 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8968 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8969 (init_optabs): Initialize new optabs widen_ssum_optab,
8970 widen_usum_optab.
8971 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8972 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8973 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8974 use instead of type of def.
8975 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8976 function implementation.
8977 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8978 widen_ssumv8hi): New.
8980 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8981 patterns.
8983 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8985 PR c/25805
8986 * c-decl.c (add_flexible_array_elts_to_size): New function.
8987 (finish_decl): Use it.
8989 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8991 * diagnostic.h: Include options.h.
8992 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8993 dependancies for diagnostic.h.
8994 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8996 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8998 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8999 (ssa_ro_call_cache_valid): Ditto.
9000 * tree-ssa-alias.c (sort_tags_by_id): New function.
9001 (init_transitive_clobber_worklist): Ditto.
9002 (add_to_worklist): Ditto.
9003 (mark_aliases_call_clobbered): Ditto.
9004 (compute_tag_properties): Ditto.
9005 (set_initial_properties): Ditto.
9006 (compute_call_clobbered): Ditto.
9007 (compute_may_aliases): Call compute_call_clobbered and grouping.
9008 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9009 (compute_flow_insensitive_aliasing): Grouping now happens in our
9010 caller.
9011 (setup_pointers_and_addressables): Remove clobbering related code.
9012 (add_may_alias): Ditto.
9013 (replace_may_alias): Ditto.
9014 (get_nmt_for): Ditto.
9015 (create_global_var):
9016 (is_escape_site): Return an escape_type enumeration.
9017 * tree-flow-inline.h (is_call_clobbered): Global var does not
9018 imply call clobbered.
9019 (mark_call_clobbered): Take a reason for marking this. Remove
9020 marking of globalness, and cache invalidation.
9021 (clear_call_clobbered): Remove cache invalidation code.
9022 * tree-dfa.c (dump_variable): If details is on, dump the reason
9023 for escaping.
9024 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9025 variable.
9026 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9027 (struct var_ann_d): Ditto.
9028 (enum escape_type): New.
9029 (mark_call_clobbered): Adjust prototype.
9030 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9031 are never call clobbered.
9032 Record reasons for escaping.
9033 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9034 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9035 (ssa_ro_call_cache_valid): Ditto.
9036 (clobbered_v_may_defs): Ditto.
9037 (clobbered_vuses): Ditto.
9038 (ro_call_vuses): Ditto.
9039 (clobber_stats): New.
9040 (init_ssa_operands): Zero out clobber stats.
9041 (fini_ssa_operands): Print out clobber stats.
9042 (get_call_expr_operands): Pass callee fndecl to
9043 add_call_read_ops).
9044 (add_call_clobber_ops): Remove use of cache.
9045 Add use of PURE_CONST information.
9046 (add_call_read_ops): Remove use of cache.
9047 Add use of static not_read information.
9049 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9051 Introduce TLS descriptors for i386 and x86_64.
9052 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9053 (TARGET_ANY_GNU_TLS): New macro.
9054 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9055 (struct machine_function): Add tls_descriptor_call_expanded_p.
9056 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9057 (ix86_current_function_calls_tls_descriptor): Likewise.
9058 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9059 (override_options): Introduce gnu2 tls dialect.
9060 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9061 not leaves.
9062 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9063 Likewise.
9064 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9065 (ix86_init_machine_status): Initialize new field.
9066 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9067 (ix86_tls_module_base): New.
9068 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9069 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9070 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9071 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9072 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9073 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9074 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9075 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9076 * config/i386/predicates.md (tls_modbase_operand): New.
9077 (tp_or_register_operand): New.
9079 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9081 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9082 (look_for_address_of): Ditto.
9083 (ipa_init): Walk the function decls.
9084 (static_execute): Don't set readonly on FUNCTION_DECL's.
9086 2006-01-18 Roger Sayle <roger@eyesopen.com>
9088 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9089 for shifts where the source and destination registers are different.
9091 2006-01-18 Paul Brook <paul@codesourcery.com>
9093 Merge from csl-arm-branch.
9094 2005-03-14 Julian Brown <julian@codesourcery.com>
9095 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9096 (aeabi_llsl): Likewise.
9097 (ashrdi3): Likewise.
9098 (aeabi_lasr): Likewise.
9099 (lshrdi3): Likewise.
9100 (aeabi_llsr): Likewise.
9101 2005-03-10 Julian Brown <julian@codesourcery.com>
9102 * config.gcc: Disable shared libgcc for SymbianOS.
9103 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9105 2006-01-18 DJ Delorie <dj@redhat.com>
9107 * c-pragma.c (handle_pragma_diagnostic): New.
9108 (init_pragma): Register it.
9109 * doc/extend.texi: Document it.
9111 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9112 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9113 (diagnostic_context): Add classify_diagnostic[].
9114 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9115 as errors if they're overridden to DK_WARNING.
9116 (diagnostic_initialize): Initialize classify_diagnostic[].
9117 (diagnostic_set_kind_override): New.
9118 (diagnostic_report_diagnostic): Check for kind changes.
9119 * opts.c (common_handle_option): Take lang_mask. Update callers.
9120 Handle OPT_Werror_.
9121 * common.opt (Werror=): New.
9122 * doc/invoke.texi: Document -Werror=*
9124 2006-01-18 Jeff Law <law@redhat.com>
9126 * tree-vrp.c (test_for_singularity): Correct test for new
9127 min limit. Use operand_equal_p rather than pointer equality
9128 for testing if new min/max values are equal.
9130 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9131 using range information until after propagation and folding.
9133 2006-01-18 Richard Henderson <rth@redhat.com>
9134 Aldy Hernandez <aldyh@redhat.com>
9135 Jakub Jelinek <jakub@redhat.com>
9136 Diego Novillo <dnovillo@redhat.com>
9138 * omp-low.c: New file.
9139 * c-omp.c: New file.
9141 2006-01-18 Richard Henderson <rth@redhat.com>
9142 Jakub Jelinek <jakub@redhat.com>
9143 Diego Novillo <dnovillo@redhat.com>
9145 * doc/invoke.texi: Document -fopenmp.
9146 * tree-dump.h (debug_function): Declare.
9147 * hooks.c (hook_bool_tree_bool_false): New function.
9148 (hook_tree_tree_null): Remove.
9149 (hook_tree_tree_tree_null): New.
9150 * hooks.h: Update to match.
9151 * tree-pretty-print.c (debug_tree_chain): New.
9152 (print_generic_expr): Handle TDF_CHAIN.
9153 (dump_generic_node): Handle BLOCK.
9154 Do not abort with incomplete SWITCH_EXPRs.
9155 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9156 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9157 print space after directive name.
9158 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9159 Handle OMP_MASTER and OMP_ORDERED.
9160 Handle printing of OMP_BODY just in one place, goto
9161 dump_omp_body in the rest of OMP_* nodes that have
9162 OMP_BODY.
9163 Don't handle clause nodes here. Update omp statements to
9164 use dump_omp_clauses.
9165 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9166 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9167 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9168 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9169 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9170 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9171 Adjust output for GOMP_PARALLEL.
9172 (dump_omp_clauses): New.
9173 (print_declaration): Dump DECL_VALUE_EXPR.
9174 (op_symbol_1): Split out of op_symbol.
9175 (dumping_stmts): Remove. Update all users.
9176 * cgraph.c (cgraph_analyze_queue): New.
9177 (cgraph_add_new_function): New.
9178 * cgraph.h (cgraph_analyze_queue): Declare.
9179 (cgraph_add_new_function): Declare.
9180 (cgraph_lower_function): Remove.
9181 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9182 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9183 and TYPE_P nodes in its default clause.
9184 (empty_body_p): New.
9185 (tree_range_check_failed): New.
9186 (build5_stat): New.
9187 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9188 OMP_CLAUSE_REDUCTION_MERGE,
9189 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9190 OMP_CLAUSE_PRIVATE_DEBUG,
9191 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9192 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9193 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9194 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9195 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9196 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9197 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9198 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9199 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9200 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9201 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9202 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9203 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9204 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9205 (TREE_RANGE_CHECK): New.
9206 (empty_body_p): Declare.
9207 (enum omp_clause_default_kind): New.
9208 (build_string_literal): Declare.
9209 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9210 (build5_stat, build5): Declare.
9211 * tree-pass.h (TDF_CHAIN): Define.
9212 * tree-pass.h (PROP_gimple_lomp): Define.
9213 (pass_lower_omp): Declare.
9214 * diagnostic.h (debug_tree_chain): Declare.
9215 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9216 mode_for_size.
9217 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9218 * builtins.c (build_string_literal): Make extern.
9219 * gcc.c (include_spec_function): New.
9220 (static_spec_functions): Add it.
9221 (main): Move load of libgomp.spec ...
9222 (LINK_COMMAND_SPEC): ... here.
9223 (link_gomp_spec): New.
9224 (static_specs): Include it.
9225 (LINK_COMMAND_SPEC): Add link_gomp.
9226 (GOMP_SELF_SPECS): New.
9227 (driver_self_specs): Include it.
9228 (switch_matches): Don't mark inline.
9229 (main): Load libgomp.spec.
9230 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9231 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9232 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9233 * tree-gimple.h (enum omp_parallel): Declare.
9234 (determine_parallel_type): Declare.
9235 (omp_firstprivatize_variable): Declare.
9236 (omp_reduction_init): Declare.
9237 (diagnose_omp_structured_block_errors): Declare.
9238 (struct walk_stmt_info): Add want_return_expr.
9239 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9240 (find_omp_clause): Declare.
9241 (insert_field_into_struct): Declare.
9242 (struct walk_stmt_info): Move from tree-nested.c
9243 (walk_stmts): Declare.
9244 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9245 to 200505.
9246 * cgraphunit.c (cgraph_lower_function): Make static.
9247 (cgraph_finalize_pending_functions): New.
9248 (cgraph_finalize_function): Call it.
9249 (cgraph_finalize_compilation_unit): Likewise.
9250 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9251 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9252 (BT_FN_UINT_UINT): New.
9253 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9254 DEF_FUNCTION_TYPE_VAR_4): Document.
9255 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9256 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9257 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9258 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9259 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9260 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9261 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9262 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9263 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9264 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9265 into separate files.
9266 (DEF_GOMP_BUILTIN): New.
9267 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9268 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9269 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9270 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9271 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9272 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9273 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9274 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9275 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9276 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9277 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9278 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9279 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9280 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9281 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9282 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9283 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9284 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9285 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9286 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9287 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9288 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9289 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9290 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9291 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9292 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9293 * sync-builtins.def: New file, moved from builtins.def.
9294 * omp-builtins.def: New file, moved from builtins.def.
9295 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9296 * gimple-low.c (lower_function_body): Clear data.
9297 (lower_stmt): Do not handle COMPOUND_EXPR.
9298 Remove call to print_node_brief.
9299 * c-tree.h (c_finish_omp_clauses): New prototype.
9300 (C_DECL_THREADPRIVATE_P): Define.
9301 (lookup_name_no_remap, c_omp_remap_private): Remove
9302 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9303 (check_for_loop_decls): Update decl.
9304 (lookup_name_no_remap, c_omp_remap_private): Declare.
9305 (build_indirect_ref, build_modify_expr, pushdecl,
9306 pushdecl_top_level): Move to c-common.h.
9307 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9308 before the switch, but just in the 2 places that need it.
9309 * c-decl.c (diagnose_mismatched_decls): Do not check for
9310 mismatched thread-local attributes when OLDDECL is marked
9311 threadprivate and NEWDECL has no thread-local attributes.
9312 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9313 (c_gimple_diagnostics_recursively): Rename from
9314 c_warn_unused_result_recursively. Invoke
9315 diagnose_omp_structured_block_errors.
9316 (check_for_loop_decls): Return a singular decl found.
9317 * langhooks.c (lhd_omp_predetermined_sharing): Return
9318 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9319 (lhd_omp_firstprivatize_type_sizes): New.
9320 (lhd_omp_assignment): New.
9321 (lhd_omp_predetermined_sharing): New.
9322 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9323 (struct lang_hooks_for_types): Add
9324 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9325 omp_predetermined_sharing, omp_disregard_value_expr,
9326 omp_private_debug_clause, omp_clause_default_ctor,
9327 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9328 (c_finish_omp_clauses): New.
9329 (c_finish_bc_stmt): Diagnose break within omp for.
9330 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9331 (build_unary_op): Return error_mark after reporting
9332 a readonly_error.
9333 (build_modify_expr): Likewise.
9334 * gimplify.c: Include optabs.h and pointer-set.h.
9335 (enum gimplify_omp_var_data): Declare.
9336 (struct gimplify_omp_ctx): Declare.
9337 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9338 and combined_ctxp.
9339 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9340 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9341 (splay_tree_compare_decl_uid): New.
9342 (new_omp_context): New.
9343 (delete_omp_context): New.
9344 (gimple_add_tmp_var): Call omp_add_variable.
9345 (gimplify_bind_expr): Likewise.
9346 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9347 true, disregard DECL_VALUE_EXPR on the decl if any.
9348 (gimplify_expr_in_ctx): New.
9349 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9350 omp_add_variable, omp_notice_variable, omp_is_private
9351 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9352 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9353 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9354 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9355 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9356 gimplify_omp_atomic): New.
9357 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9358 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9359 OMP_CRITICAL and OMP_ATOMIC.
9360 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9361 * c-pragma.h (enum pragma_kind): Add
9362 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9363 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9364 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9365 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9366 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9367 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9368 PRAGMA_OMP_THREADPRIVATE.
9369 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9370 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9371 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9372 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9373 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9374 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9375 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9376 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9377 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9378 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9379 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9380 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9381 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9382 OpenMP directives.
9383 (struct nesting_info): Add field_map,
9384 suppress_expansion, debug_var_chain.
9385 (create_nesting_tree): Initialize them.
9386 (lookup_field_for_decl): Use field_map.
9387 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9388 (convert_local_omp_clauses): New.
9389 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9390 (walk_body): Split out of walk_function.
9391 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9392 (convert_nonlocal_reference): Handle omp statements.
9393 (convert_local_reference): Likewise.
9394 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9395 (unnest_nesting_tree): New.
9396 (lower_nested_functions): Call it.
9397 (insert_field_into_struct): Make extern.
9398 (struct walk_stmt_info): Move to tree-gimple.h.
9399 (walk_stmts): Make extern.
9400 * omp-builtins.def: New file.
9401 * tree-iterator.c (expr_only): Clarify comment.
9402 * c-common.h (pushdecl_top_level, pushdecl,
9403 build_modify_expr, build_indirect_ref,
9404 c_finish_omp_master, c_finish_omp_critical,
9405 c_finish_omp_ordered, c_finish_omp_barrier,
9406 c_finish_omp_atomic, c_finish_omp_flush,
9407 c_finish_omp_for, c_split_parallel_clauses,
9408 omp_clause_default_kind, c_omp_sharing_predetermined,
9409 c_omp_remap_decl): Declare.
9410 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9411 (OBJS-common): Add omp-low.o.
9412 (c-omp.o, omp-low.o): Add.
9413 (gimplify.o): Add dependency on $(OPTABS_H).
9414 (GTFILES): Add omp-low.c.
9415 (gt-stringpool.h): Add.
9416 * tree-cfg.c (set_bb_for_stmt): Do not update the
9417 block-to-labels map if we are currently expanding to RTL.
9418 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9419 checks.
9420 Handle IDENTIFIER_NODE.
9421 (tree_verify_flow_info): Do not ICE when emitting error
9422 messages about invalid labels.
9423 (dump_function_to_file): Reset CFUN before emitting the body
9424 of the function.
9425 (debug_function): New.
9426 * passes.c (init_optimization_passes): Schedule
9427 pass_lower_omp.
9428 * langhooks-def.h (lhd_omp_predetermined_sharing,
9429 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9430 Declare.
9431 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9432 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9433 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9434 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9435 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9436 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9437 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9438 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9439 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9440 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9441 (LANG_HOOK_DECLS): Use them.
9443 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9444 Richard Henderson <rth@redhat.com>
9445 Jakub Jelinek <jakub@redhat.com>
9446 Diego Novillo <dnovillo@redhat.com>
9448 * c-parser.c (pragma_omp_clause): Define.
9449 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9450 (c_parser_compound_statement): Likewise.
9451 (c_parser_statement): Likewise.
9452 (c_parser_pragma): Handle omp pragmas.
9453 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9454 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9455 (c_parser_omp_clause_name, check_no_duplicate_clause,
9456 c_parser_omp_variable_list,
9457 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9458 c_parser_omp_clause_copyprivate,
9459 c_parser_omp_clause_default,
9460 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9461 c_parser_omp_clause_lastprivate,
9462 c_parser_omp_clause_nowait,
9463 c_parser_omp_clause_num_threads,
9464 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9465 c_parser_omp_clause_reduction,
9466 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9467 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9468 c_parser_omp_atomic, c_parser_omp_barrier,
9469 c_parser_omp_critical, c_parser_omp_flush,
9470 c_parser_omp_for_loop, c_parser_omp_for,
9471 c_parser_omp_master, c_parser_omp_ordered,
9472 c_parser_omp_sections_scope, c_parser_omp_sections,
9473 c_parser_omp_parallel, c_parser_omp_single,
9474 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9475 * c-pragma.c (init_pragma): Do omp pragma registration here.
9476 * c.opt (fopenmp): New flag.
9478 2006-01-18 Eric Christopher <echristo@apple.com>
9480 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9481 * config/darwin.h (GOMP_SELF_SPECS): Define.
9483 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9485 * rtl.h: Remove the prototype for reg_alloc.
9487 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9489 PR target/25731
9490 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9491 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9492 sjlj and dwarf2 exception handling.
9493 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9494 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9495 * pa/pa.c (function_value): Treat complex and vector types as
9496 aggregates.
9497 (function_arg): Likewise. Only pass scalar floats in the floating
9498 point argument registers.
9499 * pa/t-slibgcc-dwarf-ver: New file.
9500 * pa/t-slibgcc-sjlj-ver: New file.
9501 * pa/t-slibgcc-elf-ver: Delete file.
9503 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9505 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9506 unlikely_test_section_p test.
9508 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9510 * mode-switching.c (optimize_mode_switching): Make it static.
9511 * basic-block.h: Remove the prototype for
9512 optimize_mode_switching.
9514 * modulo-sched.c (sms_schedule): Make it static.
9515 * rtl.h: Remove the prototype for sms_schedule.
9517 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9518 * rtl.h: Remove the prototype for gcse_after_reload_main.
9520 * reg-stack.c (reg_to_stack): Make it static.
9521 * rtl.h: Remove the prototype for reg_to_stack.
9523 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9524 Make them static.
9525 * rtl.h: Remove the prototypes for regrename_optimize and
9526 copyprop_hardreg_forward.
9528 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9530 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9531 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9532 Test against the appropriate null constant for the mode.
9533 If 'fixup_overlap' is true, swap the operands if they overlap.
9534 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9535 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9536 alpha_split_tmode_pair and adjust for above change.
9537 * config/alpha/alpha.md (movtf_internal): Adjust call to
9538 alpha_split_tfmode_pair and rely on it to swap the operands.
9539 (movti_internal): New insn and post-reload splitter.
9540 (movti): New expander.
9542 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9544 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9545 operands.
9547 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9549 * rtlanal.c (global_reg_mentioned_p_1,
9550 global_reg_mentioned_p): Remove.
9551 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9553 * flow.c (initialize_uninitialized_subregs): Make it static.
9554 * rtl.h: Remove the prototype for
9555 initialize_uninitialized_subregs.
9557 * function.c (instantiate_virtual_regs): Make it static.
9558 * function.h: Remove the prototype for
9559 instantiate_virtual_regs.
9561 * regmove.c (regmove_optimize, combine_stack_adjustments):
9562 Make them static.
9563 * rtl.h: Remove the prototypes for regmove_optimize and
9564 combine_stack_adjustments.
9566 2006-01-17 Roger Sayle <roger@eyesopen.com>
9568 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9569 (size_cost): Encode costs in bytes so that a reg-reg addition is
9570 equivalent to COSTS_N_INSNS(1).
9571 (override_options): Use the size_cost.branch_cost as the default
9572 ix86_branch_cost when optimizing for size.
9574 2006-01-18 Ben Elliston <bje@au.ibm.com>
9576 * Makefile.in (D32PBIT_FUNCS): New.
9577 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9578 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9579 D64PBIT_FUNCS and D128PBIT_FUNCS.
9580 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9581 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9582 D128PBIT are set.
9583 (decnumber_dep): Define.
9584 * doc/libgcc.texi (Decimal float library routines): New node.
9585 * config/dfp-bit.h, config/dfp-bit.c: New files.
9587 2006-01-18 Ben Elliston <bje@au.ibm.com>
9589 * expr.c (emit_move_change_mode): Always adjust addresses, not
9590 just during reload. Copy replacements only during reload.
9591 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9592 emit_move_via_integer.
9594 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9596 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9597 instead of $(srcdir) and ${srcdir}.
9599 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9601 PR target/592
9602 PR middle-end/11135
9603 * arm.h (struct machine_function): Add pic_reg.
9604 * arm.c (arm_pic_register): Make unsigned.
9605 (arm_override_options): Only set arm_pic_register if
9606 TARGET_SINGLE_PIC_BASE.
9607 (use_return_insn): Only test for a pic register if it is fixed.
9608 (arm_compute_save_reg0_reg12_mask): Likewise.
9609 (thumb_compute_save_reg_mask): Likewise.
9610 (legitimate_pic_operand): Factor out some known invariants.
9611 (legitimize_pic_address): If we don't have a fixed pic register,
9612 then set up a pseudo in the function entry sequence. Handle the
9613 pic base being in a pseudo.
9614 (arm_load_pic_register): Handle the pic register being in a pseudo.
9615 (arm_expand_prologue): Only set up the pic register if it is fixed.
9616 (thumb_expand_prologue): Likewise.
9617 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9618 (pic_load_addr_based_insn): Likewise.
9619 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9620 fixed.
9622 2006-01-18 Ben Elliston <bje@au.ibm.com>
9624 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9625 decimal float modes for all floating point registers.
9627 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9628 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9630 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9632 PR c/25682
9633 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9634 even when the pointer is not NULL.
9636 2006-01-16 Ian Lance Taylor <ian@airs.com>
9638 * common.opt (ftoplevel-reorder): New option.
9639 * cgraph.c (cgraph_asm_nodes): New global variable.
9640 (cgraph_asm_last_node): New static variable.
9641 (cgraph_order): New global variable.
9642 (cgraph_create_node): Set new order field.
9643 (cgraph_varpool_node): Likewise.
9644 (decide_is_variable_needed): Return true if not
9645 flag_toplevel_reorder.
9646 (cgraph_add_asm_node): New function.
9647 * cgraph.h (struct cgraph_node): Add order field.
9648 (struct cgraph_varpool_node): Add order field.
9649 (struct cgraph_asm_node): Define.
9650 (cgraph_asm_nodes, cgraph_order): Declare.
9651 (cgraph_add_asm_node): Declare.
9652 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9653 function.
9654 (cgraph_varpool_assemble_pending_decls): Call it.
9655 (cgraph_output_pending_asms): New static function.
9656 (cgraph_finalize_compilation_unit): Call it.
9657 (struct cgraph_order_sort): Define.
9658 (cgraph_output_in_order): New static function.
9659 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9660 !flag_toplevel_reorder case.
9661 * c-parser.c: Include "cgraph.h".
9662 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9663 assemble_asm.
9664 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9665 than -fno-unit-at-a-time.
9666 * doc/invoke.texi (Option Summary): Mention
9667 -fno-toplevel-reorder.
9668 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9669 -funit-at-a-time documentation.
9671 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9672 Kazu Hirata <kazu@codesourcery.com>
9674 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9676 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9678 * Makefile.in (FUNCTION_H): New. Use it instead of
9679 function.h throughout the file.
9680 * function.h: Include tree.h.
9682 2006-01-17 Ben Elliston <bje@au.ibm.com>
9684 * recog.c: Separate some functions with whitespace.
9686 2006-01-16 Richard Henderson <rth@redhat.com>
9688 Merge from gomp branch:
9689 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9690 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9691 and rename from struct inline_data. Rename callee* to dst*;
9692 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9693 transform_new_cfg, transform_return_to_modify, and
9694 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9695 update_clones_p.
9696 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9697 (copy_decl_for_dup): Remove.
9698 * tree-inline.c (struct inline_data): Move to header.
9699 (insert_decl_map): Export.
9700 (remap_decl): Update for member name changes. Use copy_decl hook.
9701 Allow for replacement to be a non-decl. Remove dead code.
9702 (remap_type_1): Check for existing mapping.
9703 (remap_type): Export.
9704 (remap_decls): Update for member name changes.
9705 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9706 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9707 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9708 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9709 (tree_function_versioning, build_duplicate_type): Likewise.
9710 (copy_body_r): Likewise. Export.
9711 (copy_decl_for_dup): Split into ...
9712 (copy_decl_for_dup_finish, copy_decl_to_var,
9713 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9714 (replace_ref_tree, inlining_p): Remove.
9716 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9718 * ifcvt.c (if_convert): Make it static.
9719 * rtl.h: Remove the prototype for if_convert.
9721 * local-alloc.c (local_alloc): Make it static.
9722 * rtl.h: Remove the prototype for local_alloc.
9724 * loop.c (loop_optimize): Make it static.
9725 * cfgloop.h: Remove the prototype for loop_optimize.
9726 * rtl.h: Likewise.
9728 2006-01-16 DJ Delorie <dj@redhat.com>
9730 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9731 mems.
9733 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9735 * pa.md: Disparage copies between general and floating-point registers
9736 in 32-bit move patterns.
9738 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9740 PR testsuite/25741
9741 * Makefile.in (check-%): Depend on site.exp instead of
9742 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9743 directories.
9745 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9747 * global.c (global_alloc): Make it static.
9748 * rtl.h: Remove the prototype for global_alloc.
9750 2006-01-16 Richard Guenther <rguenther@suse.de>
9752 * tree-ssa-alias.c (struct used_part): Add write_only field.
9753 (get_or_create_used_part_for): Initialize it to true.
9754 (create_overlap_variables_for): Don't create structure variables
9755 for structures that only are written to.
9756 (find_used_portions): Handle MODIFY_EXPR to track whether a
9757 structure is only written to.
9759 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9761 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9762 static.
9763 * basic-block.h: Remove the prototype for
9764 partition_hot_cold_basic_blocks.
9766 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9768 * cppspec.c (lang_specific_spec_functions): Remove.
9769 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9770 * gcc.h (lang_specific_spec_functions): Remove.
9771 * gccspec.c (lang_specific_spec_functions): Remove.
9773 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9775 * combine.c (record_value_for_reg): Invalidate registers
9776 if INSN is null.
9777 (record_dead_and_set_regs_1): Likewise, by passing them to
9778 record_value_for_reg.
9779 (record_dead_and_set_regs): Invalidate stores made by a
9780 call. We do not combine across a call, but we still
9781 relied on equivalences.
9783 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9785 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9786 vrp_int_const_binop returning non-constant nodes.
9788 2006-01-16 Paul Brook <paul@codesourcery.com>
9790 * config/m68k/m68k.c (output_move_const_into_data_reg):
9791 Output correct mnemonic for mvz and mvs.
9793 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9795 * rtl-factoring.c: Add sequence abstraction algorithm.
9796 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9797 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9798 ABNORMAL edges.
9799 (block_has_preserve_label): New function.
9800 * common.opt: Register new pass.
9801 * Makefile.in: Ditto.
9802 * passes.c: Ditto.
9803 * timevar.def: Ditto.
9804 * tree-pass.h: Ditto.
9805 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9806 * rtl.h (make_jump_insn_raw): Add forward decl.
9807 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9809 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9810 Roger Sayle <roger@eyesopen.com>
9812 * fold-const.c (fold_minmax): New static function.
9813 (fold_binary) <MIN_EXPR>: Call it.
9814 <MAX_EXPR>: Likewise.
9815 * stor-layout.c (place_field): Use DECL_SIZE consistently
9816 in the computation of the new record size.
9818 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9820 * cse.c (cse_condition_code_reg): Make it static.
9821 * rtl.h: Remove the prototype for cse_condition_code_reg.
9823 * combine.c (combine_instructions): Make it static.
9824 * rtl.h: Remove the prototype for combine_instructions.
9826 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9828 PR target/25168
9829 * tree.c (get_file_function_name_long): Concatenate the first global
9830 object name with a string derived from the input filename of the object
9831 for type "F".
9833 2006-01-16 Ben Elliston <bje@au.ibm.com>
9835 * config/i386/winnt-stubs.c: Update FSF address.
9836 * config/xtensa/ieee754-df.S: Ditto.
9837 * config/xtensa/ieee754-sf.S: Ditto.
9839 2006-01-14 Ian Lance Taylor <ian@airs.com>
9841 * ifcvt.c (noce_init_if_info): New static function, broken out of
9842 noce_process_if_block.
9843 (noce_process_if_block): Call noce_init_if_info.
9844 (check_cond_move_block): New static function.
9845 (cond_move_process_if_block): New static function.
9846 (process_if_block): Call cond_move_process_if_block.
9848 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9850 * cselib.c (hash_table): Rename to cselib_hash_table.
9851 (cselib_clear_table, discard_useless_values,
9852 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9853 cselib_init, cselib_finish): Adjust uses of hash_table.
9855 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9857 PR tree-optimization/25485
9858 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9859 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9860 is known to be false and true, respectively.
9862 2006-01-14 Richard Guenther <rguenther@suse.de>
9864 PR tree-optimization/22548
9865 PR tree-optimization/22555
9866 PR tree-optimization/22501
9867 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9868 * params.def (salias-max-array-elements): New parameter.
9869 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9870 * doc/invoke.texi (salias-max-array-elements): Document.
9871 * tree-flow-inline.h (var_can_have_subvars): We also handle
9872 arrays now.
9873 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9874 COMPONENT_REF.
9875 * tree-ssa-structalias.c (params.h): Include.
9876 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9877 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9878 (get_constraint_for): For ADDR_EXPR operating on something
9879 containing an ARRAY_REF, add all subvars to the solution.
9880 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9881 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9882 for creating MUST_DEFs.
9883 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9885 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9887 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9888 functions.
9889 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9890 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9891 number_of_iterations_le): New functions.
9892 (number_of_iterations_special): Removed.
9893 (number_of_iterations_exit): Do not use number_of_iterations_special.
9894 * tree.c (unsigned_type_for): Always return integer type.
9896 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9897 Richard Guenther <rguenther@suse.de>
9899 PR rtl-optimization/24257
9900 * gcse.c (find_moveable_store): Only consider a store movable
9901 when the SET_SRC of the insn can be assigned to a register.
9903 2006-01-14 Ian Lance Taylor <ian@airs.com>
9905 * tree.c (tree_not_class_check_failed): New function.
9906 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9907 (tree_not_class_check_failed): Declare.
9909 2006-01-13 Ian Lance Taylor <ian@airs.com>
9911 * reload1.c (do_output_reload): Add assertion rejecting a
9912 CALL_INSN.
9914 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9916 * combine.c (struct reg_stat): Add new fields truncation_label and
9917 truncated_to_mode.
9918 (record_value_for_reg): Reset truncated_to_mode.
9919 (record_truncated_value): New function.
9920 (check_promoted_subreg): Call it. Rename to check_conversions.
9921 (combine_instructions): Rename check_promoted_subreg to
9922 check_conversions.
9923 (reg_truncated_to_mode): New function.
9924 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9925 (gen_lowpart_or_truncate): New function.
9926 (force_to_mode): Use it instead of gen_lowpart.
9928 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9930 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9931 VAR is a tag, not its type tag.
9933 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9935 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9936 alternatives to match style of other entries.
9937 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9939 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9941 PR tree-optimization/25771
9942 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9943 SSA_NAMES.
9945 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9947 PR tree-opt/24365
9948 * tree-inline.c (declare_return_variable): If the return variable
9949 was marked as a non gimple complex, set the return slot variable
9950 to be a non gimple comple variable.
9952 2006-01-13 Richard Guenther <rguenther@suse.de>
9954 * builtins.c (expand_builtin_sincos): New function.
9955 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9956 do not set errno.
9957 (expand_builtin): Expand sincos using expand_builtin_sincos.
9959 2006-01-12 DJ Delorie <dj@redhat.com>
9961 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9962 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9963 so that constant shifts can be split.
9964 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9965 (m32c_valid_pointer_mode): Make static.
9966 (shift_gen_func_for): New.
9967 (m32c_prepare_shift): Use it. Split large const shifts into
9968 multiple shifts.
9969 * config/m32c/predicates.md (shiftcount_operand): Allow more
9970 general operands.
9971 (longshiftcount_operand): New.
9972 * doc/md.texi (Machine Constraints): Document In6.
9974 2006-01-13 Ben Elliston <bje@au.ibm.com>
9976 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9977 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9978 documentation.
9980 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9982 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9983 to try to avoid clobbering pieces of structures when we know
9984 something about the whole structure.
9985 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9987 2006-01-13 Ben Elliston <bje@au.ibm.com>
9989 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9990 return in memory, as this is no limitation is no longer present.
9992 2006-01-12 DJ Delorie <dj@redhat.com>
9994 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9995 mova with fb, and for fb+0 -> An.
9997 * config/m32c/mov.md (peephole2): Fix enabling logic.
9999 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10000 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10001 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10002 FINI_ARRAY_SECTION_ASM_OP): Define.
10004 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10005 variable.
10006 (m32c_legitimize_reload_address): New logic to reload FB to An.
10007 (m32c_output_reg_push): Add newline.
10008 (m32c_output_reg_pop): Likewise.
10010 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10012 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10014 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10016 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10018 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10020 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10021 match_code.
10023 2006-01-11 Ben Elliston <bje@au.ibm.com>
10025 * rtlanal.c (find_reg_note): Assert insn is not null.
10027 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10029 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10030 ifdef.
10032 2006-01-11 Jeff Law <law@redhat.com>
10034 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10035 hold edge pairs.
10036 (mark_threaded_blocks, register_jump_thread): New functions.
10037 (thread_through_all_blocks): Remove unwanted argument. No
10038 longer rely on e->aux to communicate thread target info.
10039 Call mark_threaded_blocks. Release the threaded_blocks
10040 bitmap and threaded_edges vector when complete.
10041 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10042 (threaded_blocks): Remove.
10043 (tree_ssa_dominator_optimize): Remove initialization and
10044 finalization of threaded_blocks. Simplify call to
10045 thread_through_all_blocks.
10046 (thread_across_edge): Call register_jump_thread rather than
10047 storing thread information into e->aux.
10048 (free_all_edge_infos): Simplify now that e->aux is no longer
10049 used to communicate with thread_through_all_blocks.
10050 * tree-flow.h (thread_through_all_blocks): Update prototype.
10051 (register_jump_thread): Prototype.
10053 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10055 * df-core.c (df_compact_blocks, df_bb_replace): Use
10056 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10058 2006-01-11 Richard Guenther <rguenther@suse.de>
10060 PR tree-optimization/25734
10061 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10062 stop propagation after successful propagation to the LHS.
10064 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10066 * basic-block.h (control_flow_graph): Change the type of
10067 x_basic_block_info to VEC(basic_block,gc) *.
10068 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10069 basic_block_info.
10070 (SET_BASIC_BLOCK): New.
10071 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10072 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10073 * cfgbuild.c (find_basic_blocks): Likewise.
10074 * cfglayout.c (fixup_reorder_chain): Likewise.
10075 * cfgrtl.c (create_basic_block_structure,
10076 rtl_create_basic_block): Likewise.
10077 * ifcvt.c (find_if_case_1): Likewise.
10078 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10079 Likewise.
10081 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10083 * Makefile.in: Removed rotted odf.c entry.
10085 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10087 PR target/25706
10088 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10089 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10090 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10091 output pattern modifier, not %e.
10092 * config/cris/cris.c (cris_op_str): Update comment about pattern
10093 modifier.
10094 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10095 before falling through into...
10096 <case 'E'>: Redefined from old 'e' case.
10098 2006-01-11 Jan Hubicka <jh@suse.cz>
10100 PR target/25042
10101 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10103 2006-01-11 Jan Hubicka <jh@suse.cz>
10105 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10106 * i386.c (x86_decompose_lea): Kill.
10107 (ix86_rtx_costs): Kill.
10109 2006-01-11 Jan Hubicka <jh@suse.cz>
10111 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10112 * cgraph.h (cgraph_node): Add inline_decl.
10113 (cgraph_insert_node_to_hashtable): Declare.
10114 (save_inline_function_body): Declare.
10115 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10116 clones.
10117 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10118 (cgraph_function_versioning): Update call of tree_function_versioning.
10119 (save_inline_function_body): New function.
10120 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10121 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10122 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10123 (cgraph_default_inline_p): Likewise.
10124 (cgraph_decide_inlining_incrementally): Likewise.
10125 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10126 (copy_bb): Kill saving; do updating of clones.
10127 (copy_cfg_body): Kill saving.
10128 (initialize_inlined-parameters): Likewise.
10129 (expand_call_inline): Likewise.
10130 (save_body): Kill.
10131 (tree_function_versioning): New parameter "update_clones".
10132 (inlining_p): Kill saving.
10133 * tree-inline.h (tree_function_versioning): Update prototype.
10134 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10135 saving.
10137 2006-01-11 Ian Lance Taylor <ian@airs.com>
10139 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10140 Allow undoing set of machine mode.
10141 (do_SUBST): Use enums instead of is_int.
10142 (do_SUBST_MODE): New function.
10143 (SUBST_MODE): New macro.
10144 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10145 reg and trying to replace reg_regno_rtx with a new register.
10146 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10147 (simplify_set): Use SUBST_MODE.
10148 (distribute_notes): Remove code that tried to update reg notes
10149 for regno_reg_rtx changes.
10151 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10153 PR tree-optimization/23109
10154 PR tree-optimization/23948
10155 PR tree-optimization/24123
10157 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10158 * tree-cfg.c (single_noncomplex_succ): New.
10159 * tree-flow.h (single_noncomplex_succ): Declare it.
10160 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10161 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10162 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10163 insert_bb, register_division_in, insert_reciprocals,
10164 replace_reciprocal, free_bb): New.
10165 (execute_cse_reciprocals_1): Rewritten.
10166 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10167 Do not commit any edge insertion. Always compute dominators and
10168 create the allocation pool.
10169 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10170 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10171 * targhooks.c (default_min_divistions_for_recip_mul): New.
10172 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10173 * passes.c (init_optimization_passes): Run recip after tree loop
10174 optimizations.
10175 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10177 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10178 Kenneth Zadeck <zadeck@naturalbridge.com>
10180 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10181 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10182 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10183 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10184 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10185 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10186 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10187 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10188 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10189 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10190 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10191 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10192 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10193 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10194 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10195 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10196 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10197 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10198 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10199 DF_SCAN_POST_ALLOC): New macros.
10200 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10201 df_free_bb_function, df_local_compute_function, df_init_function,
10202 df_dataflow_function, df_confluence_function_0,
10203 df_confluence_function_n, df_transfer_function,
10204 df_finalizer_function, df_free_function, df_dump_problem_function,
10205 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10206 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10207 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10208 df_urec_bb_info, ) New types.
10209 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10210 variables.
10211 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10212 df_analyze_simple_change_some_blocks,
10213 df_analyze_simple_change_one_block, df_compact_blocks,
10214 df_bb_replace, df_bb_regno_last_use_find,
10215 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10216 df_insn_regno_def_p, df_find_def, df_find_use,
10217 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10218 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10219 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10220 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10221 debug_df_chain, df_get_dependent_problem, df_chain_create,
10222 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10223 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10224 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10225 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10226 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10227 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10228 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10229 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10230 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10231 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10232 df_reorganize_refs, df_set_state, df_hard_reg_init,
10233 df_read_modify_subreg_p) New public functions.
10234 * df-core.c: The core dataflow solver and glue routines for rtl
10235 dataflow.
10236 (df_init, df_add_problem, df_set_blocks, df_finish,
10237 df_hybrid_search_forward, df_hybrid_search_backward,
10238 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10239 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10240 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10241 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10242 df_reg_defined, df_find_use, df_reg_used, df_dump,
10243 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10244 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10245 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10246 debug_df_useno, reset_df_after_reload): New functions.
10247 * df-scan.c: The scanning fuctions, once in df.c, completely
10248 rewritten so that they now fully model the functionality of
10249 register usage at the backend.
10250 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10251 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10252 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10253 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10254 df_get_artificial_defs, df_get_artificial_uses,
10255 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10256 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10257 df_refs_delete, df_reorganize_refs, df_set_state,
10258 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10259 df_def_record_1, df_defs_record, df_uses_record,
10260 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10261 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10262 df_record_exit_block_uses, df_hard_reg_init): New functions.
10264 * df-problems.c: Seven concrete dataflow problems that use the
10265 scanning in df-scan.c and are solved by the engine in df-core.c.
10266 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10267 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10268 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10269 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10270 df_ru_free_bb_info, df_ru_alloc,
10271 df_ru_bb_local_compute_process_def,
10272 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10273 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10274 df_ru_transfer_function, df_ru_free, df_ru_dump,
10275 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10276 df_rd_free_bb_info, df_rd_alloc,
10277 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10278 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10279 df_rd_transfer_function, df_rd_free, df_rd_dump,
10280 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10281 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10282 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10283 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10284 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10285 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10286 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10287 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10288 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10289 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10290 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10291 df_urec_mark_reg_use_for_earlyclobber,
10292 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10293 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10294 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10295 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10296 df_chain_create_bb_process_use, df_chain_create_bb,
10297 df_chain_finalize, df_chain_free, df_chains_dump,
10298 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10299 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10300 df_reg_lifetime): New functions.
10301 * df.c: Deleted file.
10302 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10303 consistent with new df api.
10304 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10305 rest_of_handle_sms): Ditto.
10306 * web.c (unionfind_union, union_defs, entry_register, web_main):
10307 Ditto.
10308 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10309 invariant_expr_equal_p, find_defs, check_dependencies,
10310 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10311 free_inv_motion_data, move_loop_invariants): Ditto.
10312 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10313 Update dependencies.
10314 (odf.c): Added defective entry that was deleted later in day.
10315 * sched-deps.c (sched_analyze_1): Ditto.
10317 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10319 * tree-ssa-operands.c (get_expr_operands): Record addressable
10320 variables directly. Do not call add_stmt_operands for CONST_DECLs
10321 and ARRAY_DECLs.
10322 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10323 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10325 2006-01-11 Ben Elliston <bje@au.ibm.com>
10327 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10328 function returns true in the positive case.
10330 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10332 PR target/20754
10333 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10334 for SI, DI, SF and DF modes. Add alternatives to copy between
10335 general and floating point registers to the 32-bit patterns.
10336 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10337 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10338 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10339 generating 64-bit code.
10340 * config/pa/pa.c (output_move_double): Handle copies between general
10341 and floating registers.
10343 2006-01-10 Stuart Hastings <stuart@apple.com>
10345 * config/i386/i386.md (set_got): Update.
10346 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10347 (builtin_setjmp_receiver): Mach-O support.
10348 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10349 (GOT_SYMBOL_NAME): Define.
10350 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10351 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10352 * config/i386/i386.c (override_options): Revise for Darwin.
10353 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10354 support. (darwin_x86_file_end): New. (output_set_got): Add label
10355 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10356 * config/i386/i386-protos.h (output_set_got): Likewise.
10357 * config/darwin.c (machopic_legitimize_pic_address): Update
10358 regs_ever_live[].
10360 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10362 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10363 when MODE isn't BLKmode.
10365 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10367 PR rtl-optimization/25367
10368 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10370 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10372 PR target/25718
10373 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10374 for a negative bound.
10376 2006-01-10 Richard Guenther <rguenther@suse.de>
10378 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10379 Never override with anything constraint.
10381 2006-01-10 Jan Beulich <jbeulich@novell.com>
10383 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10384 256 bits when optimize_size.
10386 2006-01-10 Jan Beulich <jbeulich@novell.com>
10388 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10389 MASK_ALIGN_DOUBLE.
10390 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10391 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10392 arguments.
10394 2006-01-10 Ben Elliston <bje@au.ibm.com>
10396 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10397 float modes.
10398 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10399 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10400 (USE_FP_FOR_ARG): Reject decimal float modes.
10401 (function_arg_advance): Likewise.
10402 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10403 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10404 point types in AltiVec vectors.
10405 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10406 (rs6000_libcall_value): Likewise.
10408 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10410 * config/xtensa/ieee754-df.S: New file.
10411 * config/xtensa/ieee754-sf.S: New file.
10412 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10413 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10414 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10416 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10418 * config/sh/predicates.md (binary_float_operator,
10419 binary_logical_operator, commutative_float_operator,
10420 equality_comparison_operator, greater_comparison_operator,
10421 less_comparison_operator, logical_operator,
10422 noncommutative_float_operator, shift_operator,
10423 symbol_ref_operand, unary_float_operator): Remove redundant
10424 conditionals.
10426 2006-01-09 Jeff Law <law@redhat.com>
10428 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10429 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10430 now unused arguments. Callers updated.
10431 (eliminate_redundant_computations): Remove now unused arguments,
10432 callers updated.
10433 (local_fold): Remove, no longer used.
10434 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10435 and moved to...
10436 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10437 (simplify_cond): New function.
10438 (forward_propagate_into_cond): Call simplify_cond.
10440 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10442 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10443 (*vec_extractv2di_1_sse): New.
10445 2006-01-09 Ben Elliston <bje@au.ibm.com>
10447 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10449 2006-01-08 Richard Guenther <rguenther@suse.de>
10451 * tree-ssa-structalias.c (get_constraint_for): Remove
10452 anyoffset argument.
10453 (get_constraint_for_component_ref): Likewise.
10454 (do_deref): Likewise.
10455 (get_constraint_for): Likewise.
10456 (do_structure_copy): Likewise.
10457 (handle_ptr_arith): Likewise.
10458 (find_func_aliases): Likewise. Remove unused need_anyoffset
10459 variable.
10461 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10462 Kaz Kojima <kkojima@gcc.gnu.org>
10464 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10465 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10466 (EXTRA_CONSTRAINT_C16): Remove.
10467 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10468 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10469 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10470 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10471 constants of SHmedia. Handle nested constant expressions of
10472 SHmedia correctly.
10473 (andcosts): Fix the costs for SHmedia constants.
10474 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10475 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10476 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10477 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10478 (movv4hi_i, movv2si_i): Likewise.
10479 (movsi_const): Adjust the second operand of ior so to match with
10480 the Csu constraint.
10481 (movdi_const, movdi_const_32bit): Likewise.
10482 (movdi_const_16bit+1): Don't sign-extend LOW.
10483 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10484 step.
10485 (*double_shori): Fix the split condition. Use GEN_INT instead
10486 of get_int_mode calls. Mask lower 16-bit of the argument of
10487 the last GEN_INT.
10488 (sym2GOTPLT): Remove.
10489 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10490 gen_rtx_UNSPEC.
10491 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10492 instead of EXTRA_CONSTRAINT_C16.
10494 2006-01-07 Ian Lance Taylor <ian@airs.com>
10495 David Edelsohn <edelsohn@gnu.org>
10497 PR rtl-optimization/25662
10498 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10499 for constant operands instead of simplify_gen_binary.
10500 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10501 after trying simplify_binary_operation
10503 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10505 * tree.c (iterative_hash_expr): Hash decls based on UID.
10507 2006-01-06 Eric Christopher <echristo@apple.com>
10509 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10510 (TARGET_UNWIND_EMIT): Fix spelling.
10511 * target.h (gcc_target): Add except_table_label.
10512 * except.c (output_function_exception_table): Use.
10513 * varasm.c (default_emit_except_table_label): New.
10514 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10515 define.
10516 (asm_out): Add here.
10517 * output.h (default_emit_except_table_label): Prototype.
10518 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10519 * config/darwin.c (darwin_emit_except_table_label): Define.
10520 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10522 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10524 PR tree-optimization/18527
10525 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10526 number_of_iterations_special, number_of_iterations_exit):
10527 Move base and step of an iv to a single structure. Add
10528 no_overflow flag, and use it in # of iterations analysis.
10529 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10530 folded_casts argument.
10531 (simple_iv): Pass base and step in a structure. Set no_overflow
10532 flag.
10533 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10534 Evaluate expensiveness of computing # of iterations instead of
10535 the final expression.
10536 * tree-scalar-evolution.h (affine_iv): New structure.
10537 (simple_iv): Declaration changed.
10538 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10539 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10540 find_givs_in_stmt): Changed due to simple_iv change.
10542 2006-01-06 Jeff Law <law@redhat.com>
10544 PR ada/24994
10545 * tree-cfg.c (bsi_replace): Rename final argument from
10546 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10547 change (stmt -> orig_stmt).
10548 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10549 (bsi_remove): Add new argument. Remove EH information
10550 if requested.
10551 (verify_eh_throw_table_statements): New function.
10552 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10553 updated.
10554 * tree-optimize.c (execute_free_cfg_annotations): Verify
10555 the EH throw statement table after removing annotations.
10556 * except.h (verify_eh_throw_table_statements): Prototype.
10557 * tree-flow.h (bsi_remove): Update prototype.
10558 * tree-vrp.c (remove_range_assertions): Add new argument to
10559 bsi_remove call.
10560 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10561 * tree-complex.c (expand_complex_div_wide): Likewise.
10562 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10563 * tree-tailcall.c (eliminate_tailcall): Likewise.
10564 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10565 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10566 * tree-nrv.c (tree_nrv): Likewise.
10567 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10568 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10569 (combine_blocks): Likewise.
10570 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10571 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10572 (cleanup_control_flow): Likewise.
10573 (remove_forwarder_block): Likewise.
10574 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10575 * tree-sra.c (sra_replace): Likewise.
10576 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10577 (forward_propagate_single_use_vars): Likewise.
10578 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10579 * tree-inline.c (expand_call_inline): Likewise.
10580 * tree-vect-transform.c (vect_transform_loop): Likewise.
10581 * tree-outof-ssa.c (rewrite_trees): Likewise.
10582 * tree-cfg.c (make_goto_expr_edges): Likewise.
10583 (cleanup_dead_labels): Likewise.
10584 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10585 (bsi_move_before, bsi_move_after): Likewise.
10586 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10587 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10589 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10591 PR tree-opt/25528
10592 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10593 and IMAGPART_EXPR.
10594 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10595 on non gimple variables. Also add checks at the top for decls and
10596 mtags.
10597 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10598 complex types.
10599 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10600 and IMAGPART_EXPR for creating MUST_DEFs.
10601 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10602 and NAME_MEMORY_TAG separately from the DECLs.
10604 2006-01-06 Richard Guenther <rguenther@suse.de>
10606 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10607 annotation, if necessary.
10608 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10609 redundant calls to update_stmt.
10610 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10611 Likewise.
10613 2006-01-05 Richard Henderson <rth@redhat.com>
10615 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10617 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10619 * c-typeck.c: Update copyright date.
10621 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10623 * c-typeck.c (build_c_cast): Always warn when casting
10624 from a pointer to an integer of different size, even if
10625 the node was constant.
10627 2006-01-05 Richard Guenther <rguenther@suse.de>
10629 PR tree-optimization/22555
10630 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10631 if one structure field is an array.
10632 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10633 operands even if we found a subvar, but ignore VOPs in this
10634 case.
10635 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10636 for renaming.
10637 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10639 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10641 PR middle-end/24998
10642 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10644 2006-01-05 Richard Guenther <rguenther@suse.de>
10645 Diego Novillo <dnovillo@redhat.com>
10647 * tree-pass.h (TODO_remove_unused_locals): Define.
10648 * gimple-low.c (expand_var_p, remove_useless_vars,
10649 pass_remove_useless_vars): Remove. Update all users.
10650 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10651 (remove_unused_locals): New function.
10652 * tree-flow.h (remove_unused_locals): Declare.
10653 * passes.c (execute_todo): Call remove_unused_locals if
10654 TODO_remove_unused_locals is set.
10655 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10656 * tree-ssa-dce.c (pass_dce): Likewise.
10657 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10659 2006-01-05 Richard Guenther <rguenther@suse.de>
10661 * tree-flow.h (struct fieldoff): Decompose field to
10662 type, size and decl.
10663 * tree-ssa-alias.c (create_sft): Take type as parameter.
10664 (create_overlap_variables_for): Store type, size and decl
10665 in the fieldoff structure.
10666 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10667 of struct fieldoff.
10668 (push_fields_onto_fieldstack): Likewise.
10669 (create_variable_info_for): Likewise. Use offset for the
10670 SFT name if the decl is not available.
10672 2006-01-04 Paul Brook <paul@codesourcery.com>
10674 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10676 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10678 * lambda-code.c (can_put_in_inner_loop): Relax
10679 restrictions.
10680 (can_put_after_inner_loop): New function.
10681 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10682 (perfect_nestify): Change to make copies and modify uses.
10684 2006-01-04 Richard Henderson <rth@redhat.com>
10686 Merge from gomp branch:
10687 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10688 via integer constant.
10689 (pragma_lex): Remove.
10690 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10691 rather than parsing it.
10692 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10693 handle_pragma_extern_prefix): Add %< %> quotes.
10694 (registered_pragmas): New.
10695 (c_register_pragma_1): New.
10696 (c_register_pragma): Use it.
10697 (c_register_pragma_with_expansion): Likewise.
10698 (c_invoke_pragma_handler): New.
10699 (init_pragma): Use cpp_register_deferred_pragma directly for
10700 pch_preprocess.
10701 * c-pragma.h (enum pragma_kind): New.
10702 (pragma_handler): New.
10703 (c_invoke_pragma_handler): Declare.
10704 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10705 CPP_PRAGMA_EOL.
10706 * c-common.h (c_common_pch_pragma): Update decl.
10707 * Makefile.in (c-parser.o): Update dependencies.
10708 (GTFILES): Add c-pragma.h.
10709 * c-parser.c (struct c_token): Add pragma_kind.
10710 (struct c_parser): Add in_pragma.
10711 (c_lex_one_token): Always initialize keyword and pragma_kind.
10712 Extract data for CPP_PRAGMA.
10713 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10714 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10715 Don't allow CPP_PRAGMA_EOL if in_pragma.
10716 (c_parser_consume_pragma): New.
10717 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10718 (c_parser_skip_to_end_of_parameter): Likewise.
10719 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10720 (c_parser_skip_to_pragma_eol): New.
10721 (c_parser_external_declaration): Handle CPP_PRAGMA.
10722 (c_parser_compound_statement_nostart): Likewise.
10723 (c_parser_statement_after_labels): Likewise.
10724 (c_parser_pragma): New.
10725 (pragma_lex): Likewise.
10726 (c_parser_pragma_pch_preprocess): New.
10727 (c_parser_new): Merge into ...
10728 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10730 2006-01-04 Jeff Law <law@redhat.com>
10732 PR ada/24994
10733 * tree-cfg.c (bsi_replace): Remove the original statement
10734 from the EH throw statement table.
10736 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10738 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10739 make the prototype extern "C" and add throw ().
10741 PR target/25554
10742 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10743 and pos non-negative and pos + len <= 32.
10744 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10745 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10746 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10748 PR c/25559
10749 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10750 as well as sizes not multiple of component size.
10752 PR debug/25562
10753 * function.c (instantiate_expr): New function.
10754 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10755 walk its DECL_VALUE_EXPR with instantiate_expr.
10757 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10758 DW_OP_deref{,_size} if address isn't going to be added.
10760 2006-01-04 Ben Elliston <bje@au.ibm.com>
10762 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10763 * config/fp-bit.c: Likewise.
10765 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10767 * dominance.c: Add comment about why we use DFS numbering
10768 of dominance tree.
10770 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10771 Richard Henderson <rth@redhat.com>
10773 Merge from gomp-branch:
10774 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10775 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10777 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10779 PR rtl-optimization/25578
10780 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10781 pass a parameter to simplify_shift_const if changing ASHIFTRT
10782 to LSHIFTRT.
10784 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10786 * builtins.c (get_builtin_sync_mem): New function.
10787 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10788 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10789 Call get_builtin_sync_mem to generate mem rtx.
10791 2006-01-03 Richard Guenther <rguenther@suse.de>
10793 PR c/25183
10794 * stmt.c (add_case_node): Make sure to clear overflow flags
10795 from ranges.
10797 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10799 Merge from gomp-branch.
10800 * config/sparc/sync.md: New file.
10801 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10802 UNSPECV_LDSTUB): New constants.
10803 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10804 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10805 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10806 prototype.
10808 2006-01-03 Roger Sayle <roger@eyesopen.com>
10810 * combine.c (reg_subword_p): New predicate to test whether the
10811 destination of a set refers to a subword/piece of a register.
10812 (try_combine): Generalize the code to merge the setting of a
10813 pseudo to a constant followed by a set of a subword of that
10814 register to a constant.
10816 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10818 * basic-block.h (control_flow_graph): Change the type of
10819 x_label_to_block_map to VEC(basic_block,gc) *.
10820 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10821 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10823 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10824 VEC(basic_block,heap) *.
10825 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10826 ssa_prop_fini): Adjust the uses of cfg_blocks.
10828 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10830 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10831 COMPONENT_REFs.
10832 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10833 hashing trees instead of a pointer hash.
10834 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10835 compare for MEM_EXPR.
10837 PR rtl-optimization/25130
10838 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10839 when comparing MEMs for GCSE
10841 2006-01-03 Ben Elliston <bje@au.ibm.com>
10843 * targhooks.h (default_decimal_float_supported_p): Declare.
10844 * targhooks.c (default_decimal_float_supported_p): Define.
10845 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10846 `default_decimal_float_supported_p'.
10847 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10849 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10851 * combine.c (apply_distributive_law <SUBREG>): Check
10852 TRULY_NOOP_TRUNCATION.
10854 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10856 * dwarf2out.c (have_switched_text_section): Delete.
10857 (have_multiple_function_sections): New.
10858 (have_location_lists): Make 'bool'.
10859 (add_AT_loc_list): Use 'true' not '1'.
10860 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10861 (output_loc_list): Use have_multiple_function_sections.
10862 (output_ranges): Likewise.
10863 (dwarf2out_begin_function): Set have_multiple_function_sections if
10864 necessary.
10865 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10866 Check function_section rather than DECL_SECTION_NAME.
10867 (dwarf2out_finish): Use have_multiple_function_sections.
10868 Don't clear have_location_lists.
10870 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10871 Jan Hubicka <jh@suse.cz>
10873 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10874 case of conditional jump jumping to the next instruction.
10875 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10876 cases of conditional jump jumping to the next instruction.
10878 2006-01-02 Jan Hubicka <jh@suse.cz>
10880 * i386.c (*_cost): Add COSTS_N_INSNS.
10881 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10883 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10885 PR target/25259
10886 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10888 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10890 * config/arm/arm.c (all_fpus): Fix comment typo.
10891 * config/darwin.c: Likewise.
10892 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10893 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10894 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10896 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10898 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10899 (rs6000_split_compare_and_swapqhi): New.
10900 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10901 (sync_compare_and_swapqhi_internal): New.
10902 * config/rs6000/rs6000-protos.h: Declare.