| blob | e957ecb4f9e89028fc7248c2393e91479a8312f7 |
1 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3 PR c/20533
4 * doc/extend.texi: Add used variable attribute description.
6 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
8 PR c/24010
9 * c.opt (Woverride-init): New.
10 * c-opts.c (c_common_post_options): Default warn_override_init to
11 extra_warnings.
12 * c-typeck.c (add_pending_init, output_init_element): Warn for
13 overriding initializers without side effects.
14 * doc/invoke.texi (-Woverride-init): Document.
15 (-Wextra): Update.
17 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
19 PR rtl-optimization/28096
20 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
21 assignment has already been used as a destination earlier in the block.
23 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
25 * builtins.c (expand_builtin_setjmp): Delete.
26 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
27 <BUILT_IN_SETJMP_SETUP>: New case.
28 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
29 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
30 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
31 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
32 (BUILT_IN_SETJMP_RECEIVER): Likewise.
33 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
34 (lower_function_body): Initialize it to false. If it is set to true
35 at the end of the processing, emit the setjmp dispatcher.
36 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
37 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
38 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
39 on the rhs of the assignment.
40 (lower_builtin_setjmp): New function.
41 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
42 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
43 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
44 to detect calls that can go to non-local labels. Use specific
45 helper to create the abnormal edges associated with them.
46 <MODIFY_EXPR>: Likewise.
47 (make_abnormal_goto_edges): New function extracted from...
48 (make_goto_expr_edges): ...here. Call it for computed gotos.
49 (simple_goto_p): Minor tweak.
50 (tree_can_make_abnormal_goto): New predicate.
51 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
52 (tree_purge_dead_abnormal_call_edges): New function.
53 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
54 (tree_purge_dead_abnormal_call_edges): Likewise.
55 (make_abnormal_goto_edges): Likewise.
56 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
57 Purge all dead abnormal edges if the call was in the last statement.
58 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
59 (execute_fixup_cfg): If there are non-local labels in the function,
60 scan the basic blocks and split them at calls that can go to non-local
61 labels or add missing abnormal call edges. Write down the CFG in the
62 dump file.
63 (pass_fixup_cfg): Remove TODO_dump_func flag.
64 * unwind-sjlj.c: Poison setjmp.
65 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
66 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
67 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
68 (DONT_USE_BUILTIN_SETJMP): Document it.
70 2006-09-28 Geoffrey Keating <geoffk@apple.com>
72 PR target/28617
73 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
74 to 1 when __ppc64__ is defined.
75 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
76 darwin-64.c.
77 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
79 2006-09-28 Steve Ellcey <sje@cup.hp.com>
81 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
82 * config/ia64/unwind-hpux.c: Delete.
84 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
86 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
87 on the element before gimplifying it, instead of punting if it is of
88 variable size.
90 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
92 * doc/loop.texi: New file.
93 * doc/gccint.texi: Reference loop.texi.
94 * Makefile.in (loop.texi): Add.
96 2006-09-27 Geoffrey Keating <geoffk@apple.com>
98 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
99 __sysctl.
100 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
101 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
103 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
105 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
107 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
109 * doc/install.texi: Document required versions of GMP and MPFR.
111 2006-09-27 Paul Brook <paul@codesourcery.com>
113 PR target/29230
114 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
116 2006-09-27 Richard Sandiford <richard@codesourcery.com>
118 * reload1.c (alter_reg): Require the alignment of the stack slot to
119 be at least reg_max_ref_width bytes.
120 (scan_paradoxical_subregs): Record the largest width in
121 reg_max_ref_width.
123 2006-09-26 Jakub Jelinek <jakub@redhat.com>
125 PR middle-end/25261
126 PR middle-end/28790
127 * tree-nested.c (struct nesting_info): Added static_chain_added.
128 (convert_call_expr): Set static_chain_added when adding static
129 chain. Handle OMP_PARALLEL and OMP_SECTION.
131 2006-09-25 Matthias Klose <doko@debian.org>
133 * doc/invoke.texi: Add missing full stop.
135 2006-09-25 Richard Henderson <rth@redhat.com>
137 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
138 before cgraph_function_flags_ready.
140 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
141 Adam Nemet <anemet@caviumnetworks.com>
143 * tree-ssa-loop-ivopts.c (aff_combination_convert,
144 determine_common_wider_type): New functions.
145 (get_computation_aff): Use them to simplify arithmetic between
146 UBASE and CBASE if they are shortened from the same type.
148 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
150 PR target/28911
151 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
152 -2147483647 - 1 instead of 0x80000000.
154 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
156 * flags.h (HONOR_NANS): Fix typo in comment.
158 2006-09-23 Uros Bizjak <uros@kss-loka.si>
160 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
162 2006-09-23 Jakub Jelinek <jakub@redhat.com>
164 PR c/28706
165 PR c/28712
166 * tree.c (merge_attributes, attribute_list_contained): If both
167 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
168 simple_cst_equal.
169 * c-typeck.c (comptypes_internal): Don't consider aggregates
170 in different TUs as compatible if there one set of attributes is
171 not a subset of the other type's attributes.
172 (composite_type): Try harder not to create a new aggregate type.
174 2006-09-22 Geoffrey Keating <geoffk@apple.com>
176 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
177 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
178 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
179 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
180 than replicating condition above.
181 * config.host (i[34567]86-*-*): Always use driver-i386.o.
183 * config/darwin.h (LINK_SYSROOT_SPEC): New.
184 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
185 the linker by default.
187 2006-09-22 Mike Stump <mrs@apple.com>
189 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
190 code.
192 2006-09-22 Richard Guenther <rguenther@suse.de>
194 PR middle-end/28964
195 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
196 sort of stack variables stable.
198 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
200 PR middle-end/28690
201 * explow.c (force_reg): Set REG_POINTER flag according to
202 MEM_POINTER flag.
204 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
206 PR tree-optimization/28888
207 * tree-if-conv.c (combine_blocks): Rewritten.
208 * tree-cfg.c (tree_verify_flow_info): Check that edges with
209 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
211 2006-09-22 Jakub Jelinek <jakub@redhat.com>
213 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
214 needed.
216 2006-09-21 Richard Sandiford <richard@codesourcery.com>
218 * varasm.c (copy_constant): Fix reversed gcc_assert check.
220 2006-09-21 Janis Johnson <janis187@us.ibm.com>
222 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
224 2006-09-21 Roger Sayle <roger@eyesopen.com>
226 PR debug/29132
227 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
228 dw_fde_current_label, to be the start of the function, i.e. the same
229 value as dw_fde_begin.
231 2006-09-20 Richard Sandiford <richard@codesourcery.com>
233 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
234 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
235 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
236 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
237 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
238 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
239 (abs<mode>2, neg<mode>2): Likewise.
240 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
241 (*mips_abs_ps): New define_insn.
243 2006-09-20 Josh Conner <jconner@apple.com>
245 PR middle-end/25505
246 * calls.c (expand_call): Allow reuse of structure return stack
247 temp.
249 2006-09-20 Paul Brook <paul@codesourcery.com>
251 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
252 positive offsets.
254 2006-09-20 Janis Johnson <janis187@us.ibm.com>
256 * doc/extend.texi (Decimal Float): Update for latest draft TR,
257 clean up terminology.
259 2006-09-20 Steve Ellcey <sje@cup.hp.com>
261 PR target/28574
262 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
263 with tablejumps in them.
265 2006-09-20 Jakub Jelinek <jakub@redhat.com>
267 PR middle-end/28046
268 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
269 wrap it into TARGET_EXPR.
271 2006-09-20 Eric Christopher <echristo@apple.com>
273 * config/i386/i386.c (x86_fisttp): Remove.
274 * config/i386/i386.h (x86_fisttp): Ditto.
275 (TARGET_FISTTP): Ditto.
277 2006-09-19 Eric Christopher <echristo@apple.com>
279 * doc/tm.texi (OBJC_JBLEN): Describe.
280 * config/i386/darwin.h (OBJC_JBLEN): Define.
281 * config/rs6000/darwin.h: Ditto.
283 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
285 PR rtl-optimization/21299
286 * reload1.c (reload): Purge invalid ASMs in the final pass.
288 2006-09-19 Steve Ellcey <sje@cup.hp.com>
290 PR 28490
291 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
292 pointers as legitimate constants.
294 2006-09-19 Paul Brook <paul@codesourcery.com>
296 PR target/28516
297 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
299 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
301 PR tree-optimization/28887
302 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
303 component parts from the reference.
304 (gather_memory_references_ref): Record the reference without the
305 nonaddressable component parts.
307 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
309 PR c/25993
310 * c-opts.c (c_common_handle_option): Ignore the -std options
311 if the input language is assembly.
313 2006-09-17 Ira Rosen <irar@il.ibm.com>
315 PR tree-opt/21591
316 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
317 tag first.
318 (ptr_ptr_may_alias_p): Likewise.
319 (record_record_differ_p): New function.
320 (base_object_differ_p): Call record_record_differ_p.
322 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
324 PR tree-opt/29059
325 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
326 away for the expr argument.
328 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
330 PR tree-opt/27742
331 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
332 before using it for dumping after vectorizing loops.
334 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
335 Jack Howarth <howarth@bromo.med.uc.edu>
337 PR target/29030
338 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
339 skip on error_mark_node.
340 (rs6000_darwin64_record_arg_recurse): Likewise.
342 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
344 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
345 * doc/rtl.texi: Remove related documentation.
347 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
349 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
350 printf.
352 2006-09-15 Jim Wilson <wilson@specifix.com>
354 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
355 Handle symbol offsets same as they are handled in ia64_expand_move
356 and move_operand.
358 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
360 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
361 Add forgotten parameter to the fprintf call.
363 2006-09-15 Steve Ellcey <sje@cup.hp.com>
365 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
367 2006-09-15 Uros Bizjak <uros@kss-loka.si>
369 * doc/contrib.texi: Add my entry.
371 2006-09-15 Nick Clifton <nickc@redhat.com>
373 * doc/md.texi (Processor pipeline description): Fix typo in
374 example of how to use the absence_set directive and reword the
375 description to make it slightly easier to read.
377 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
379 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
380 * loop-doloop.c (doloop_optimize): Use it to limit costs of
381 expanding the number of iterations.
382 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
384 * cfgrtl.c (emit_insn_at_entry): New function.
385 * rtl.h (emit_insn_at_entry): Declare it.
386 * integrate.c (emit_initial_value_sets): Use it.
388 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
390 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
391 bad.
392 (struct loop_work and related VEC declarations): Delete.
393 (bfin_dump_loops): Print out new member bad.
394 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
395 (bfin_scan_loop): Don't recurse.
396 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
397 loops. No longer need to update outer loops if the current one is
398 found bad. Move some validitiy checks to bfin_discover_loop.
399 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
400 but changed not to check for nesting. Also changed to use the new bad
401 flag.
402 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
403 time. Use bitmap based test to discover loop nesting.
405 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
407 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
408 one line.
410 2006-09-14 Richard Guenther <rguenther@suse.de>
411 Kazu Hirata <kazu@codesourcery.com>
413 PR middle-end/28884.
414 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
415 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
416 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
417 with TARGET_FUNCTION_VALUE.
419 2006-09-14 Anatoly Sokolov <aesok@post.ru>
421 PR target/26504
422 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
424 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
426 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
427 of a RETURN_EXPR
429 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
431 PR debug/28980
432 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
433 FUNCTION_DECL.
435 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
437 * basic_block.h (bb_has_eh_pred): Fix comment.
439 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
441 * flow.c (calculate_global_regs_live): Invalidate eh registers
442 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
443 (propagate_block): Handle eh registers as if they were set at basic
444 block start.
445 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
446 registers.
447 * global.c (global_conflicts): Make eh registers to conflict with
448 pseudos live at basic block begin.
449 * basic_block.h (bb_has_eh_pred): New function.
451 2006-09-13 Richard Sandiford <richard@codesourcery.com>
453 PR rtl-optimization/28982
454 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
455 index of a PRE_MODIFY or POST_MODIFY address.
456 * reload1.c (inc_for_reload): Use find_replacement on the original
457 base and index registers.
459 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
461 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
462 for -Os. Update __m128 alignment requirement.
464 2006-09-13 Jan Hubicka <jh@suse.cz>
466 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
468 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
470 PR rtl-optimization/28243
471 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
472 the insn to which the note was originally attached.
474 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
475 Roger Sayle <roger@eyesopen.com>
477 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
478 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
479 on platforms that don't use dwarf for debug info.
481 2006-09-12 Jason Merrill <jason@redhat.com>
483 PR middle-end/28493
484 * builtins.c (expand_builtin_setjmp_receiver): Clobber
485 hard_frame_pointer_rtx after using it to update the frame pointer.
487 2006-09-12 Roger Sayle <roger@eyesopen.com>
489 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
490 (TARGET_ASM_CLOSE_PAREN): Likewise.
491 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
492 (TARGET_ASM_CLOSE_PAREN): Likewise.
494 2006-09-12 Roger Sayle <roger@eyesopen.com>
496 PR target/22223
497 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
498 frame information for frames larger than 512 Kbytes on Tru64 when
499 using the native assembler.
501 2006-09-12 Roger Sayle <roger@eyesopen.com>
503 PR middle-end/4520
504 PR bootstrap/28784
505 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
506 and symbols. Instead use the implementation from cse.c's hash_rtx.
508 2006-09-12 Jan Hubicka <jh@suse.cz>
510 PR rtl-optimization/28071
511 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
512 (vect_transform_loop): Likewise.
513 * tree-vectorizer.c (new_loop_vec_info): Likewise.
514 (new_loop_vec_info): Likewise.
515 (destroy_loop_vec_info): Likewise.
516 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
517 (create_stmt_ann): Likewise.
518 (create_tree_ann): Rename to ...
519 (create_tree_common_ann): ... this one; allocate only the common part
520 of annotations.
521 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
522 (get_value_handle): Likewise.
523 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
524 get_tree_common_ann.
525 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
526 (vinfo_for_stmt): Use stmt annotations.
527 * tree-flow.h (tree_ann_common_t): New type.
528 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
529 (tree_ann, get_tree_ann, create_tree_ann): New.
530 * tree-flow-inline.h (get_function_ann): Do more type checking.
531 (stmt_ann): Likewise.
532 (tree_ann): Rename to ...
533 (tree_common_ann): ... this one; return ony common_ann
534 (get_tree_ann): Rename to ...
535 (tree_common_ann): This one; return only common_ann.
536 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
537 of set_stmt_info.
539 2006-09-11 Geoffrey Keating <geoffk@apple.com>
541 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
542 with_cpu by default.
544 * dwarf2out.c (dwarf_file_data): New.
545 (enum dw_val_class): Add dw_val_class_file.
546 (struct dw_val_struct): Add val_file.
547 (file_table): Change to a hash table.
548 (file_table_emitted): Delete.
549 (file_table_last_lookup_index): Delete.
550 (emitcount): Delete.
551 (last_emitted_file): New.
552 (lookup_filename): Change prototype to return a struct dwarf_file_data.
553 (init_file_table): Delete.
554 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
555 (AT_addr): Add comment.
556 (add_AT_file): New.
557 (AT_file): New.
558 (get_AT_file): New.
559 (print_die): Handle dw_val_class_file.
560 (print_dwarf_line_table): Update for new file table structure.
561 (attr_checksum): Do checksum a filename.
562 (same_dw_val_p, same_attr_p): Do compare a filename.
563 (size_of_die): Handle dw_val_class_file.
564 (value_format): Likewise.
565 (output_die): Likewise. Also, call maybe_emit_file here.
566 (struct file_info): Constify filenames. Make file_idx a pointer
567 to a struct dwarf_file_data.
568 (struct dir_info): Constify directory names. Remove 'used' field.
569 (struct file_name_acquire_data): New.
570 (file_name_acquire): New.
571 (output_file_names): Modify to handle new file data structures.
572 (add_src_coords_attributes): Use add_AT_file.
573 (add_call_src_coords_attributes): Likewise.
574 (dwarf2out_imported_module_or_decl): Likewise.
575 (gen_subprogram_die): Modify for new file data structures.
576 (gen_variable_die): Likewise.
577 (file_table_eq): New.
578 (file_table_hash): New.
579 (file_table_last_lookup): New.
580 (lookup_filename): Rewrite to handle new file data structures.
581 (maybe_emit_file): Rewrite to handle new file data structures.
582 (dwarf2out_source_line): Always call lookup_filename and
583 maybe_emit_file.
584 (dwarf2out_init): Create file_table here.
585 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
586 (file_table_relative_p): New.
587 (dwarf2out_finish): Change detection of relative filenames
588 to work with new file data structures. Move output_line_info call
589 after debug_info output.
591 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
593 PR target/13685
594 PR target/27537
595 PR target/28621
596 * config/i386/i386.c (override_options): Always default to 16
597 byte stack boundary.
599 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
601 PR target/28672
602 * var-tracking.c (dump_dataflow_set): Start dumping at
603 register zero.
604 (clobber_variable_part): Kill only the variable part in
605 registers holding it, leaving other variables alone.
607 2006-09-11 Josh Triplett <josh@freedesktop.org>
609 * doc/extend.texi (Other Builtins): Actually use the macro
610 argument in the documentation example for
611 __builtin_types_compatible_p.
613 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
615 PR rtl-optimization/28726
616 * sched-deps.c (sched_analyze_reg): New function extracted from...
617 (sched_analyze_1): ...here. Call it to analyze references to
618 registers. Treat again writes to a stack register as writing to the
619 register.
620 (sched_analyze_2): ...and here. Call it to analyze references to
621 registers. Treat again reads of a stack register as reading the
622 register.
624 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
625 David Edelsohn <edelsohn@gnu.org>
627 PR target/27287
628 * config/rs6000/spe.md (frob_df_di): Remove %H.
629 (frob_di_df): Remove %H. Change evmergelo to mr.
630 (frob_di_df_2): Remove %H. Change evldd to two loads.
632 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
634 * doc/cpp.texi: Fix names of charset options.
636 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
638 PR target/29009
639 * config/i386/i386.c (override_options): Use 128-bit
640 stack boundary always for 64bits.
642 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
644 PR rtl-optimization/28636
645 * combine.c (force_to_mode): Test for side-effects before
646 substituting by zero.
647 (simplify_shift_const): Likewise for zero or other constants.
649 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
651 PR middle-end/26983
652 * builtins.c (expand_builtin_setjmp): Force next_lab to be
653 preserved.
655 2006-09-10 Richard Sandiford <richard@codesourcery.com>
657 PR target/29006
658 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
659 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
660 returned by mode_for_size, rather than the mode of src itself,
661 to choose between 32-bit and 64-bit patterns.
662 (mips_mem_fits_mode_p): New function.
663 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
664 that the size of the source matches the size of the destination.
665 (mov_<store>l, mov_<store>r): Likewise.
667 2006-09-10 Eric Christopher <echristo@apple.com>
669 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
670 for literal16.
672 2006-09-09 Eric Christopher <echristo@apple.com>
674 PR target/28995
675 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
676 for literal16.
678 2006-09-09 Roger Sayle <roger@eyesopen.com>
679 Nicolas Setton <setton@adacore.com>
681 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
683 2006-09-10 Andreas Schwab <schwab@suse.de>
685 * config/m68k/m68k.md (bungt_rev): New pattern.
687 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
688 Dale Johannesen <dalej@apple.com>
690 PR target/26778
691 * regclass.c (struct reg_pref): Update documentation.
692 (regclass): Set prefclass to NO_REGS if memory is the best option.
693 (record_reg_classes): Cope with a prefclass set to NO_REGS.
695 2006-09-08 Eric Christopher <echristo@apple.com>
697 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
698 * config/t-slibgcc-darwin: Support x86_64 multilib.
699 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
700 Return 1 for x86_64-darwin.
701 * config/i386/t-darwin: Add m64 multilib.
702 (LIB2_SIDITI_CONV_FUNCS): Use.
703 (LIB2FUNCS_EXTRA): Ditto.
704 * config/i386/darwin.h: Support x86_64.
705 * config/i386/i386.c (override_options): Turn on flag_pic
706 for x86_64-darwin. Disable flag_omit_pointer.
707 (get_pc_thunk_name): Assert !TARGET_64BIT.
708 (legitimate_address_p): Disable machopic addressing for
709 x86_64.
710 (legitimize_pic_address): Ditto.
711 (ix86_expand_move): Ditto.
712 (ix86_expand_call): Ditto.
713 (machopic_output_stub): Ditto.
714 * config/darwin.c (machopic_select_section): Support literal16.
715 (machopic_select_rtx_section): Ditto.
716 * config/darwin-sections.def: Ditto.
717 * config/darwin-64.c: New.
719 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
721 PR c/28504
722 * c-tree.h (struct c_arg_info): Add pending_sizes.
723 * c-parser.c (c_parser_parms_declarator,
724 c_parser_parms_list_declarator): Initialize pending_sizes.
725 * c-decl.c (get_parm_info): Initialize pending_sizes.
726 (get_parm_info): Set pending_sizes.
727 (grokdeclarator): Call put_pending_sizes for parameters for
728 function definition only.
730 2006-09-07 Jason Merrill <jason@redhat.com>
732 PR middle-end/27724
733 * varasm.c (output_constant): Only strip actual no-op conversions.
735 PR target/13685
736 * config/i386/i386.c (override_options): Use 128-bit
737 stack boundary if -msse.
739 2006-09-07 Eric Christopher <echristo@apple.com>
741 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
742 comment.
743 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
744 Redefine.
746 2006-09-07 Geoffrey Keating <geoffk@apple.com>
748 * dwarf2out.c: Remove strange characters from comment above
749 dwarf2out_frame_debug_expr.
751 2006-09-07 Eric Christopher <echristo@apple.com>
753 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
754 * config/darwin.h: ... to here.
756 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
758 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
760 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
761 (TARGET_PARTIAL_FLAG_REG_STALL): New.
763 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
764 TARGET_PARTIAL_FLAG_REG_STALL.
765 (*ashldi3_cconly_rex64): Likewise.
766 (*ashlsi3_cmp): Likewise.
767 (*ashlsi3_cconly): Likewise.
768 (*ashlsi3_cmp_zext): Likewise.
769 (*ashlhi3_cmp): Likewise.
770 (*ashlhi3_cconly): Likewise.
771 (*ashlqi3_cmp): Likewise.
772 (*ashlqi3_cconly): Likewise.
773 (*ashrdi3_cmp_rex64): Likewise.
774 (*ashrdi3_cconly_rex64): Likewise.
775 (*ashrsi3_cmp): Likewise.
776 (*ashrsi3_cconly): Likewise.
777 (*ashrsi3_cmp_zext): Likewise.
778 (*ashrhi3_cmp): Likewise.
779 (*ashrhi3_cconly): Likewise.
780 (*ashrqi3_cmp): Likewise.
781 (*ashrqi3_cconly): Likewise.
782 (*lshrdi3_cmp_rex64): Likewise.
783 (*lshrdi3_cconly_rex64): Likewise.
784 (*lshrsi3_cmp): Likewise.
785 (*lshrsi3_cconly): Likewise.
786 (*lshrsi3_cmp_zext): Likewise.
787 (*lshrhi3_cmp): Likewise.
788 (*lshrhi3_cconly): Likewise.
789 (*lshrqi2_cmp): Likewise.
790 (*lshrqi2_cconly): Likewise.
792 2006-09-07 Uros Bizjak <uros@kss-loka.si>
794 PR target/28946
795 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
796 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
797 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
798 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
799 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
800 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
801 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
802 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
803 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
804 implement only CC setting effects of shift instructions.
806 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
808 * doc/contrib.texi: Add myself.
810 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
812 PR middle-end/28862
813 * stor-layout.c (relayout_decl): Don't zero the alignment if it
814 was set by the user.
816 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
818 PR target/27117
819 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
820 (divsi_inv_m1): Use them.
821 (UNSPEC_DIV_INV_TABLE): New constant.
823 2006-09-06 James E Wilson <wilson@specifix.com>
825 PR rtl-opt/27883
826 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
827 then call count_or_remove_death_notes.
829 2006-09-06 Jason Merrill <jason@redhat.com>
831 PR c++/27371
832 * tree-inline.c (copy_result_decl_to_var): New fn.
833 (declare_return_variable): Use it. Call declare_inline_vars here.
834 (expand_call_inline): Not here.
836 2006-09-06 Diego Novillo <dnovillo@redhat.com>
838 * doc/contrib.texi: Update my entry.
840 2006-09-06 Nick Clifton <nickc@redhat.com>
842 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
844 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
846 PR tree-opt/28937
847 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
848 (canonicalize_induction_variables): Likewise.
849 (tree_unroll_loops_completely): Likewise.
850 (tree_ssa_prefetch_arrays): Likewise.
851 (remove_empty_loops): Likewise.
852 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
853 TODO_cleanup_cfg instead of directly calling
854 cleanup_tree_cfg_loop.
855 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
856 Likewise.
857 (tree_unroll_loops_completely): Likewise.
858 (remove_empty_loops): Likewise.
859 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
860 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
861 of tree_ssa_unswitch_loops.
862 (tree_ssa_loop_ivcanon): Use the return value of
863 canonicalize_induction_variables.
864 (tree_ssa_empty_loop): Use the return value of
865 remove_empty_loops.
866 (tree_complete_unroll): Use the return value of
867 tree_unroll_loops_completely.
868 (tree_ssa_loop_prefetch): Use the return value of
869 tree_ssa_prefetch_arrays.
870 * passes.c (execute_todo): Before Cleanup CFG, set
871 updating_used_alone and after cleanup CFG, call
872 recalculate_used_alone.
874 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
876 PR tree-opt/28952
877 * tree-vect-transform.c (vectorizable_condition): Move the check
878 for the type after the check for simple condition.
880 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
881 Kaz Kojima <kkojima@gcc.gnu.org>
883 PR target/28764
884 * mode-switching.c (optimize_mode_switching): Make the destination
885 block of an abnormal edge have no anticipatable mode. Don't
886 insert mode switching code at the end of the source block of
887 an abnormal edge.
889 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
891 PR rtl-optimization/26847
892 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
893 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
894 (simplify_plus_minus): Count n_constants while filling ops. Replace
895 qsort with insertion sort. Before going through the array to simplify
896 pairs, sort it. Delay early exit until after the first sort, exiting
897 only if no swaps occurred. Simplify pairs in reversed order, without
898 special-casing the first iteration. Pack ops after simplifying pairs.
900 2006-09-05 Anatoly Sokolov <aesok@post.ru>
902 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
903 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
904 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
905 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
907 2006-09-05 Richard Guenther <rguenther@suse.de>
909 PR tree-optimization/28900
910 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
911 compound conditional before creating COND_EXPR condition.
913 2006-09-05 Richard Guenther <rguenther@suse.de>
915 PR tree-optimization/28905
916 * tree-vrp.c (fix_equivalence_set): Manually implement
917 !value_ranges_intersect_p to also handle symbolic ranges.
919 2006-09-05 Richard Guenther <rguenther@suse.de>
921 PR middle-end/28935
922 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
923 of a COND_EXPR.
925 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
927 PR rtl-optimization/27616
928 * cse.c (table_size): New static variable.
929 (new_basic_block): Initialize it to 0.
930 (remove_from_table): Decrement it.
931 (insert): Increment it.
932 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
933 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
934 fold_rtx_mem_1 if under the cap.
935 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
936 the lookup of the equivalent expression and test for equality of the
937 first operand of the equivalent expression before in turn looking up
938 an equivalent constant for the second operand.
940 2006-09-02 Geoffrey Keating <geoffk@apple.com>
942 Revert this change:
943 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
944 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
945 pointer, instead of assuming it is possible to derive the
946 correct args size from a call insn.
948 2006-09-02 Jakub Jelinek <jakub@redhat.com>
950 PR middle-end/27567
951 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
952 (fold_builtin_mempcpy): Rename to...
953 (fold_builtin_memory_op): ... this. Optimize one element copy
954 into an assignment.
955 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
956 functions.
957 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
958 (expand_builtin_memcpy, expand_builtin_mempcpy,
959 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
960 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
961 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
962 BUILT_IN_MEM{CPY,PCPY,MOVE}.
964 2006-09-01 DJ Delorie <dj@redhat.com>
966 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
967 (stzx_16): Likewise.
968 ("stzx_24_<mode>"): Likewise.
969 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
970 ("cmp<mode>_op"): New.
971 (cmp<mode>): Change to expander; just save operands.
972 (b<code>_op): New.
973 (b<code>): Change to expander, emit compare here.
974 (s<code>_op): Change to use split and expander.
975 (s<code>_24_op): Likewise.
976 (s<code>_<mode>): New.
977 (s<code>_<mode>_24): New.
978 (movqicc_<code>_<mode): New.
979 (movhicc_<code>_<mode>): New.
980 (s<code>): New.
981 (s<code>_24): New.
982 * config/m32c/m32c.c (compare_op0, compare_op1): New.
983 (m32c_pend_compare): New.
984 (m32c_unpend_compare): New.
985 (m32c_expand_scc): New.
986 (m32c_expand_movcc): Emit the compare also.
987 * config/m32c/predicates.md (mra_nopp_operand): New.
989 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
990 Richard Guenther <rguenther@suse.de>
991 Adam Nemet <anemet@caviumnetworks.com>
993 PR middle-end/27226
994 * builtins.c (get_pointer_alignment): Handle more forms
995 of base addresses that can be used to derive more precise
996 information about alignment.
998 2006-09-01 Jason Merrill <jason@redhat.com>
1000 PR c++/28899
1001 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1002 want_value.
1004 * gimplify.c (voidify_wrapper_expr): Handle null type.
1006 2006-09-01 Josh Conner <jconner@apple.com>
1008 PR c++/25505
1009 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1010 (execute_return_slot_opt): Use it.
1012 2006-08-31 Josh Conner <jconner@apple.com>
1014 PR c++/25505
1015 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1016 returning aggregates.
1018 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1020 PR tree-optimization/28839
1021 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1022 blocks in that phi arguments appear.
1024 2006-08-31 Roger Sayle <roger@eyesopen.com>
1026 PR other/22313
1027 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1028 NULL, otherwise use an advance_loc4 to adjust relative to the
1029 current label.
1030 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1031 (dwarf2out_switch_text_section): Reset the current label to avoid
1032 using advance_loc4 over section boundaries.
1034 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1036 PR target/24367
1037 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1038 r12 + SYMBOLIC_CONST.
1040 2006-08-30 Richard Guenther <rguenther@suse.de>
1042 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1044 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1046 PR rtl-optimization/27735
1047 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1048 Add new argument to keep track of whether an irreducible region
1049 was affected. All callers changed.
1050 (fix_irreducible_loops): Removed.
1051 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1052 flags were invalidated.
1054 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1056 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1057 instead of SF operands.
1058 (*fop_df_comm_sse): Likewise.
1059 (*fop_df_comm_i387): Likewise.
1060 (*fop_df_1_mixed): Likewise.
1061 (*fop_df_1_sse): Likewise.
1063 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1064 J"orn Rennecke <joern.rennecke@st.com>
1066 PR tree-optimization/17506
1067 * tree-ssa.c (warn_uninit): If warning about a location outside of
1068 the current function, note where the variable was declared.
1070 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1072 PR tree-optimization/28411
1073 * double-int.c (double_int_div): Use double_int_divmod.
1074 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1075 double_int_mod, double_int_smod, double_int_umod): New functions.
1076 * double-int.h (double_int_divmod, double_int_sdivmod,
1077 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1078 Declare.
1079 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1080 in double_int.
1081 (get_computation_aff, get_computation_cost_at): Handle double_int
1082 return type of constant_multiple_of.
1084 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1086 PR middle-end/26632
1087 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1088 an implicit conversion.
1090 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1092 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1094 2006-08-27 Roger Sayle <roger@eyesopen.com>
1096 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1097 x87 instructions.
1099 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1101 * config/i386/crtfastmath.c: Fix a comment typo.
1103 2006-08-26 Roger Sayle <roger@eyesopen.com>
1105 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1106 temporary visit flags on CASE_LABEL_EXPRs.
1107 * c-common.c (match_case_to_enum): Add function comment. Avoid
1108 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1109 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1110 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1111 a constant, only warn if that constant value isn't handled.
1113 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1115 PR c++/24009
1116 * input.h (restore_input_file_stack): Declare.
1117 (INPUT_FILE_STACK_BITS): Define.
1118 * toplev.c (fs_p, input_file_stack_history,
1119 input_file_stack_restored, restore_input_file_stack): New.
1120 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1121 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1122 (pop_srcloc): Don't free old state of stack.
1124 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1126 PR target/27544
1127 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1128 (PowerPC Type Attributes): New.
1130 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1132 * config/xtensa/xtensa.c (function_arg_boundary): New.
1133 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1134 STACK_BOUNDARY.
1135 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1136 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1138 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1140 PR middle-end/28683
1141 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1142 3 following insns.
1144 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1146 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1147 (verify_local_live_at_start): Likewise.
1149 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1151 PR c/27893
1152 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1153 omp_add_variable): Treat sizes as variable whenever not
1154 INTEGER_CST.
1156 2006-08-26 Richard Guenther <rguenther@suse.de>
1158 PR middle-end/28814
1159 * fold-const.c (fold_binary): Fold temporary to correct
1160 type before constructing new comparison.
1162 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1164 PR c/28418
1165 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1166 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1168 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1170 PR c/28299
1171 * c-decl.c (start_function): Don't try to process prototype
1172 information from old declaration that isn't a function.
1174 2006-08-25 Jan Hubicka <jh@suse.cz>
1176 PR target/28621
1177 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1179 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1181 PR target/27075
1182 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1183 for 8 byte objects.
1185 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1187 PR tree-optimization/16876
1188 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1189 exit if PARM doesn't match VALUE.
1191 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1193 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1194 literal_prefix directive.
1195 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1196 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1197 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1199 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1201 PR target/28753
1202 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1203 predicate to general_operand. Add 0->y and I->r alternatives.
1205 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1207 * doc/tm.texi: Fix a typo.
1208 * predict.c: Fix comment typos.
1210 2006-08-25 Nick Clifton <nickc@redhat.com>
1212 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1213 assertions of "cpu" and "machine".
1215 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1217 PR tree-opt/28807
1218 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1219 the access through a base which has an alias set of 0 cannot
1220 touch the variable.
1222 2006-08-24 Bill Wendling <wendling@apple.com>
1224 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1226 2006-08-24 Jan Hubicka <jh@suse.cz>
1228 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1230 2006-08-24 Jan Hubicka <jh@suse.cz>
1232 PR debug/26881
1233 * cgraph.c: Fix comments.
1234 (cgraph_varpool_mark_needed_node): Mark only variables not already
1235 output to file.
1236 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1237 (cgraph_varpool_assembled_nodes_queue): New static variable.
1238 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1239 (cgraph_varpool_output_debug_info): New function.
1240 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1241 * Makefile.in: Add gt-cgraphunit.h
1243 2006-08-24 Jan Hubicka <jh@suse.cz>
1245 * predict.c (probability_reliable_p): New predicate.
1246 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1247 (predict_loops): Do not predict loop exit with less than 2%
1248 probability.
1249 * basic-block.h (edge_probability_reliable_p,
1250 br_prob_note_reliable_p): Declare.
1251 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1252 prediction when static predictor is not reliable.
1253 * rs6000.c (output_cbranch): Likewise.
1255 2006-08-23 Stuart Hastings <stuart@apple.com>
1257 PR 28825
1258 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1259 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1261 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1263 PR debug/28692
1264 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1265 complex values, nor for generic vector values.
1267 2006-08-22 Richard Guenther <rguenther@suse.de>
1269 PR middle-end/28776
1270 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1271 parameter. Convert arguments to arithmetic expression to the
1272 chrecs type.
1273 (analyze_scalar_evolution_1): Adjust caller.
1275 2006-08-22 Jan Hubicka <jh@suse.cz>
1277 Patch by Paolo Bonzini
1278 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1279 my previous patch.
1281 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1283 PR tree-optimization/28003
1284 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1285 before grouping aliases.
1287 2006-08-22 Roger Sayle <roger@eyesopen.com>
1289 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1290 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1292 2006-08-21 Jason Merrill <jason@redhat.com>
1294 PR c++/27115
1295 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1296 wrapper. Loop to handle nested wrappers.
1297 (gimplify_bind_expr): Remove temp parameter.
1298 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1299 and STATEMENT_LIST on the rhs.
1300 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1301 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1302 (gimplify_target_expr): Remove special BIND_EXPR handling.
1304 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1306 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1307 #if !__SHMEDIA__ .
1309 2006-08-21 Olivier Hainque <hainque@adacore.com>
1311 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1312 Arrange for the temporary captures of components overlapping the lhs
1313 to happen before the lhs is possibly cleared.
1315 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1317 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1318 necessary places to pass the correct "number of registers" values
1319 to _Unwind_VRS_Pop.
1321 2006-08-20 Jan Hubicka <jh@suse.cz>
1323 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1324 (create_name_tags): Instead of quadratic checking use hashtable.
1325 * bitmap.h: Include hashtab.h.
1326 (bitmap_hash): Declare.
1327 * bitmap.c (bitmap_hash): New function.
1329 2006-08-20 Jan Hubicka <jh@suse.cz>
1331 PR rtl-optimization/28071
1332 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1333 twice.
1334 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1335 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1336 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1337 cgraph_decide_inlining_incrementally): Update use of
1338 cgraph_check_inline_limits.
1339 * cgraph.c (edge_hash, edge_eq): New function.
1340 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1341 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1342 cgraph_remove_node): Maintain call site hash.
1343 * cgraph.h (struct cgraph_node): Add call_site_hash.
1344 (cgraph_set_call_stmt): New function.
1346 2006-08-20 Jan Hubicka <jh@suse.cz>
1348 PR rtl-optimization/28071
1349 * reload1.c (reg_has_output_reload): Turn into regset.
1350 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1351 choose_reload_regs, emit_reload_insns): Update to new
1352 reg_has_output_reload.
1354 2006-08-20 Jan Hubicka <jh@suse.cz>
1356 PR middle-end/28779
1357 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1358 function body sizes.
1359 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1361 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1363 PR target/28648 c:
1364 * tree.c (handle_dll_attribute): Return early if not a
1365 var or function decl.
1367 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1369 PR target/27565
1370 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1371 alignment of SPE vector types.
1373 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1375 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1377 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1379 PR c/28744
1380 * cgraph.h (struct cgraph_node): Remove externally_visible
1381 bitfield.
1382 * cgraphunit.c (process_function_and_variable_attributes): Set
1383 local.externally_visible rather than externally_visible.
1385 PR c/28744
1386 * c-common.c (handle_externally_visible_attribute): First look
1387 at TREE_CODE and only if it is function or var decl, check for
1388 non-public objects. Don't warn for DECL_EXTERNAL.
1389 * cgraphunit.c (process_function_and_variable_attributes): Warn
1390 if externally_visible attribute is used on non-public object.
1392 2006-08-17 Jan Hubicka <jh@suse.cz>
1394 PR tree-optimization/27865
1395 * reload1.c (forget_marked_reloads): New function.
1396 (forget_old_reloads_1): When data are passed, just mark the registers
1397 for later removal.
1398 (reload_as_needed): Use the new mechanizm.
1400 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1402 PR target/28146
1403 * reload.h (reg_equiv_alt_mem_list): New declaration.
1404 * reload1.c (reg_equiv_alt_mem_list): New definition.
1405 (reload): Initialize it and release it.
1406 (delete_output_reload): Use it.
1407 * reload.c (push_reg_equiv_alt_mem): New function.
1408 (find_reloads_toplev): Call it.
1409 (find_reloads_address, find_reloads_address_1): Likewise.
1410 (find_reloads_subreg_address): Likewise.
1412 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1414 PR rtl-optimization/28489
1415 * sched-ebb.c (begin_schedule_ready): Create basic block
1416 at the right place.
1417 (advance_target_bb): Skip empty blocks.
1418 * haifa-sched.c (bb_note): Make global.
1419 * sched-int.h (bb_note): Add prototype.
1421 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1423 PR tree-optimization/27865
1424 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1425 for pointer types.
1426 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1427 fold_used_pointer, pointer_used_p): New functions.
1428 (analyze_scalar_evolution_1): Use fold_used_pointer.
1429 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1430 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1431 for pointers.
1433 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1435 PR c++/28573
1436 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1437 or the INTEGER_CST. Fail on a CALL_EXPR.
1438 (fold_offsetof): Pass new argument to fold_offsetof_1.
1439 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1440 operand into an INDIRECT_REF.
1441 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1443 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1445 PR gcov/profile/26570
1446 * value-prof.c (static_values): Removed.
1447 (tree_find_values_to_profile): Do not set static_values.
1448 (find_values_to_profile): Do not free static_values.
1449 * profile.c (instrument_values): Do not free the values.
1450 (branch_prob): Free the values.
1452 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1454 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1456 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1458 PR c/27697
1459 * c-typeck.c (build_component_ref): Combine qualifiers of
1460 structure or union and field.
1462 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1464 PR rtl-optimization/28071
1465 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1466 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1467 * tree-into-ssa.c (struct dom_dfsnum): New.
1468 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1469 functions.
1470 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1471 compute_global_livein.
1472 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1473 in phi nodes in the correct blocks.
1475 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1477 PR tree-optimization/28364
1478 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1479 correctly.
1480 (fold_affine_expr): New function.
1481 (may_eliminate_iv): Use fold_affine_expr.
1483 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1485 PR c/27489
1486 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1487 Clean up.
1489 2006-08-16 Mike Stump <mrs@apple.com>
1491 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1492 * doc/cppopts.texi (-MD): Likewise.
1494 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1496 PR c/28287
1497 * c-common.c (handle_weak_attribute): Ignore and warn if
1498 not a FUNCTION_ or VAR_DECL.
1500 2006-07-15 Mike Stump <mrs@apple.com>
1502 PR c/28280
1503 * c-parser.c (c_parser_typeof_specifier): Don't use
1504 c_finish_expr_stmt, open code desired semantics instead.
1506 2006-08-15 Nick Clifton <nickc@redhat.com>
1508 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1509 fragment to tmake_file only if threads are enabled.
1510 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1511 * config/i386/t-gthr-win32: New file. ... here.
1513 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1515 PR c/28649
1516 * c-parser.c (c_parser_compound_statement_nostart): Reset
1517 parser->error after each statement.
1519 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1521 PR middle-end/28713
1522 * omp-low.c (lower_omp_parallel): Convert t to
1523 receiver_decl's type.
1524 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1525 source before comparison.
1527 PR middle-end/28724
1528 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1529 to itype in assignment to oldival2.
1531 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1533 PR c/27490
1534 PR c/27489
1535 * c-typeck.c (build_compound_expr): If the second expression
1536 is an error mark, then just return an error mark instead of
1537 creating a COMPOUND_EXPR.
1539 2006-07-14 Mike Stump <mrs@apple.com>
1541 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1543 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1545 * c-decl.c, var-tracking.c: Fix comment typos.
1547 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1549 PR rtl-optimization/28634
1550 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1551 for floating-point modes unless flag_unsafe_math_optimizations.
1553 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1554 Andrew Pinski <pinskia@physics.uc.edu>
1556 PR c/27184
1557 * tree.c (build_array_type): Unify array types with
1558 unspecified index_type.
1559 * c-decl.c (grokdeclarator): Make sure we do not modify a
1560 unified incomplete array type.
1561 * c-typeck.c (store_init_value): Create distinct type before
1562 filling in the index type in an initializer from a compound
1563 literal.
1565 * c-decl.c (grokdeclarator): Remove code where we copy the
1566 array type over.
1568 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1570 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1571 into account for TODO_dump_cgraph.
1572 (TODO_update_ssa_no_phi): Likewise.
1573 (TODO_update_ssa_full_phi): Likewise.
1574 (TODO_update_ssa_only_virtuals): Likewise.
1575 (TODO_remove_unused_locals): Likewise.
1576 (TODO_set_props): Likewise.
1577 (TODO_update_stmt_usage): Likewise.
1579 2006-08-13 Dirk Mueller <dmueller@suse.de>
1581 * c-common.c (strict_aliasing_warning): Fix formatting.
1583 2006-08-13 Matthias Klose <doko@debian.org>
1585 * doc/invoke.texi: Fix spelling errors.
1587 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1589 PR rtl-optimization/23454
1590 * reorg.c (relax_delay_slots): Update comment.
1592 2006-08-11 Richard Guenther <rguenther@suse.de>
1594 PR middle-end/28651
1595 * simplify-rtx.c (simplify_const_relational_operation):
1596 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1597 codes.
1599 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1601 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1602 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1604 2006-08-10 Paul Brook <paul@codesourcery.com>
1606 * final.c (final_scan_insn): Clear current_insn_predicate before
1607 outputting inline asm.
1609 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1611 PR tree-optimization/26197
1612 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1613 get_ref_base_and_extent and overlap_subvar to add only relevant
1614 subvars as may-aliases.
1615 (add_may_alias_for_new_tag): New function, factored out of
1616 new_type_alias.
1617 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1618 with additional argument.
1619 * tree-flow.h (new_type_alias): Takes additional argument.
1621 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1623 * gcov.c (no_data_file): New flag.
1624 (read_count_file): Set it if data file not present. Assume counts
1625 zero if not found.
1626 (output_lines): Don't name the data file, if there wasn't one.
1628 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1630 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1631 (rs6000_generate_compare): Tweak comments.
1632 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1634 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1636 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1637 (var_debug_decl): New function.
1638 (var_reg_set): Follow debug decl link. Add location even if
1639 reg is already known to hold some other variable.
1640 (var_mem_set): Follow debug decl link.
1641 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1642 decl link. Delete other known locations of the variable part
1643 if requested.
1644 (var_reg_delete, var_mem_delete): Delete other known locations
1645 of the variable part if requested.
1646 (same_variable_part_p): New function.
1647 (add_stores): Select MO_COPY when appropriate.
1648 (vt_initialize): Handle it.
1649 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1650 known locations for MO_SET and MO_CLOBBER.
1651 (find_variable_location_part): New function.
1652 (set_variable_part, delete_variable_part): Use it.
1653 (clobber_variable_part): New function.
1654 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1655 decl link.
1657 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1659 PR tree-optimization/26969
1660 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1661 with an empty list of PHIs.
1663 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1665 PR target/27827
1667 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1668 instructions.
1670 2006-08-06 Andreas Schwab <schwab@suse.de>
1672 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1673 string. Whitespace and comment fixup.
1675 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1677 PR c/28502
1678 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1679 argument.
1681 PR c/27721
1682 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1684 PR c/28136
1685 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1687 2006-08-04 Jan Hubicka <jh@suse.cz>
1689 PR target/26655
1690 PR target/28270
1691 * reload.c (push_reload): Patch out the mismatching instruction;
1692 return early.
1693 (find_reload): Bail out if the instruction was patched out.
1695 2006-08-04 Jan Hubicka <jh@suse.cz>
1697 PR tree-optimization/24888
1698 * tree-inline.c (expand_call_inline): Do not re-record variables.
1699 (declare_inline_vars): Add variable to unexpanded_var_list.
1701 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1702 Roger Sayle <roger@eyesopen.com>
1704 PR rtl-optimization/26244
1705 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1706 inner_const are negative or greater than or equal to the bitsize of
1707 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1708 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1709 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1710 CONST0_RTX (mode) when the new shift count is greater than or equal to
1711 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1712 effects.
1714 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1716 * tree-cfg.c: Fix a comment typo.
1718 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1720 PR c++/28148
1721 * varasm.c (output_constant): Give the front end another chance to
1722 expand constants, after stripping NOPs.
1724 2006-08-03 Jan Hubicka <jh@suse.cz>
1726 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1727 implementation.
1729 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1731 PR tree-optimization/27770
1732 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1733 declaration removed (moved to tree-flow.h).
1734 (vect_can_force_dr_alignment_p): Likewise.
1735 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1736 (moved from tree-vectorizer.h).
1737 (vect_can_force_dr_alignment_p): Likewise.
1738 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1739 from outside the vectorizer - in particular from cgraph stage.
1740 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1741 the alignment of global arrays when -fsection-anchors is enabled.
1742 * cgraphunit.c (cgraph_increase_alignment): New function.
1743 (cgraph_optimize): Call cgraph_increase_alignment.
1745 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1747 PR target/27566
1748 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1749 not reload a SPE symbol_ref into a lo_sum address.
1751 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1753 PR debug/28063
1754 * dwarf2out.c (prune_unused_types_prune): Move call to
1755 prune_unused_types_update_strings to cover the parent DIE also.
1757 2006-08-02 Jan Hubicka <jh@suse.cz>
1759 PR gcov/profile/28480
1760 * tree-cfg.c (change_bb_for_stmt): New function.
1761 (tree_merge_blocks, tree_split_blocks): Use it.
1763 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1765 PR c++/28250
1766 PR c++/28257
1767 PR c++/28259
1768 PR c++/28267
1769 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1770 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1771 (cgraph_optimize): Likewise.
1773 2006-08-01 Stuart Hastings <stuart@apple.com>
1775 * rtl.h (UINTVAL) New.
1776 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1777 * testsuite/gcc.dg/20060801-1.c: New.
1779 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1781 PR debug/23336
1782 * c-typeck.c (build_external_type): Mark used enum types.
1783 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1784 cfun also.
1785 (gen_subprogram_die): Whitespace fix.
1787 2006-08-01 Jan Hubicka <jh@suse.cz>
1789 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1790 bitmap when not needed.
1791 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1792 bitmaps.
1794 2006-08-01 Dirk Mueller <dmueller@suse.de>
1796 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1798 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1800 * Makefile.in: Revert part of previous patch:
1801 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1802 and REGS_H.
1804 2006-07-30 Eric Christopher <echristo@apple.com>
1806 PR target/27543
1807 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1808 (PowerPC Variable Attributes): New section.
1810 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1812 PR target/28126 (partial fix)
1813 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1815 2006-07-28 Jan Hubicka <jh@suse.cz>
1817 PR rtl-optimization/28071
1818 * cfgrtl.c (rtl_delete_block): Free regsets.
1819 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1821 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1823 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1824 and variables used in dependencies.
1826 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1828 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1829 %fs for -mcmodel=kernel.
1830 (stack_tls_protect_test_di): Likewise.
1832 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1834 * Makefile.in: Use mkinstalldirs.
1836 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1838 PR driver/28437
1839 * opts-common.c (prune_options): Skip joined switches.
1841 2006-07-27 Jan Hubicka <jh@suse.cz>
1843 PR rtl-optimization/28071
1844 * cselib.c (cselib_process_insn): Don't remove useless values too
1845 often for very large hashtables.
1847 2006-07-27 Jan Hubicka <jh@suse.cz>
1849 PR rtl-optimization/28071
1850 * global.c (greg_obstack): New obstack.
1851 (allocate_bb_info): Use it.
1852 (free_bb_info): Likewise.
1853 (modify_reg_pav): Likewise.
1855 2006-07-27 Roger Sayle <roger@eyesopen.com>
1857 * builtins.c (fold_fixed_mathfn): When long and long long are the
1858 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1859 functions to their lceil*, lfloor*, lround* and lrint* forms.
1861 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1863 PR gcc/28508
1864 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1865 branch.
1866 (rev_branch_insn): Likewise.
1868 2006-07-27 Jan Hubicka <jh@suse.cz>
1870 PR rtl-optimization/28071
1871 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1872 (reg_set_in_bb, max_reg_computed): New static variables.
1873 (regmove_optimize): Free the new array.
1874 (fixup_match_1): Update call of reg_is_remote_constant_p.
1876 2006-07-26 Jan Hubicka <jh@suse.cz>
1878 PR tree-optimization/27882
1879 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1880 and decl fields.
1881 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1882 next pointer
1883 (cgraph_analyze_compilation_unit): Likewise.
1884 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1885 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1886 (cgraph_early_inlinine): Make order garbage collected.
1887 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1889 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1891 * dbxout.c (output_types_sort): Add a comment.
1892 (output_used_types): Free the VEC.
1894 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1896 * function.c (reorder_fix_fragments): Delete.
1897 (reorder_blocks): Don't call it.
1898 (reorder_blocks_1): Put all subblocks under the origin block.
1900 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1902 PR rtl-optimization/27907
1903 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1904 FLOAT_TRUNCATE.
1906 2006-07-25 Roger Sayle <roger@eyesopen.com>
1908 PR middle-end/28473
1909 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1910 bar(x) check that bar's result type can represent all the values of T.
1912 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1914 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1916 2006-07-25 Nick Clifton <nickc@redhat.com>
1918 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1919 size_lookup[] array.
1920 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1921 (ggc_pch_count_object): Likewise.
1922 (ggc_pch_alloc_object): Likewise.
1923 (ggc_pch_write_object): Likewise.
1924 (init_ggc): Do not attempt to initialize entries in the
1925 size_lookup[] array for objects whose size is greater than than
1926 the length of the array.
1928 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1930 * dbxout.c (output_used_types_helper): Push queued types
1931 on a VEC.
1932 (output_types_sort): New.
1933 (output_used_types): Collect used types on a VEC and sort them
1934 before emission.
1936 2006-07-24 Richard Guenther <rguenther@suse.de>
1938 PR middle-end/28463
1939 * cgraph.c (cgraph_remove_node): Do not check if dumps
1940 are enabled.
1941 * cgraphunit.c (cgraph_optimize): Likewise.
1943 2006-07-24 Jan Hubicka <jh@suse.cz>
1945 PR rtl-optimization/28071
1946 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1947 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1948 splitting before first stmt.
1950 2006-07-24 Jan Hubicka <jh@suse.cz>
1952 PR rtl-optimization/28071
1953 * ipa-inline.c (update_caller_keys): Remove edges that
1954 are no longer inline candidates.
1956 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1958 PR debug/27473
1959 * dbxout.c (output_used_types_helper, output_used_types): New.
1960 (dbxout_symbol): Call output_used_types.
1962 2006-07-23 Jan Hubicka <jh@suse.cz>
1964 PR c/25795
1965 PR c++/27369
1966 * cgraph.c (cgraph_varpool_nodes): Export.
1967 (decide_is_variable_needed): Ignored "used" attribute in
1968 unit-at-a-time mode.
1969 * cgraph.h (cgraph_varpool_nodes): Declare.
1970 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1971 unit-at-a-time mode.
1973 2006-07-23 Roger Sayle <roger@eyesopen.com>
1975 PR target/28247
1976 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1977 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1978 the __gthrw form of thr_keycreate.
1979 (__gthread_key_delete): Silence the unused argument warning.
1981 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1983 PR debug/25468
1984 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1985 Cache the last found '\0' marker to avoid quadratic behavior.
1987 2006-07-23 Jan Hubicka <jh@suse.cz>
1989 * i386.md (subsi_3_zext): Fix output template.
1991 2006-07-21 Mike Stump <mrs@apple.com>
1993 * doc/invoke.texi (C++ Dialect Options): Note that
1994 -fvisibility-inlines-hidden doesn't affect explicitly
1995 instantiationed inline methods.
1997 2006-07-20 Roger Sayle <roger@eyesopen.com>
1999 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2000 if the target assembler is GNU binutils' gas.
2001 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2002 whether to pass GNU gas or native as command line options.
2004 2006-07-20 Jason Merrill <jason@redhat.com>
2006 * tree.c (remove_attribute): New fn.
2007 * tree.h: Declare it.
2009 2006-07-20 Paul Brook <paul@codesourcery.com>
2011 PR 27363
2012 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2013 they are invalidated by this instruction.
2015 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2017 PR target/28427
2018 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2020 2006-07-20 Eric Christopher <echristo@apple.com>
2022 PR target/26877
2023 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2025 2006-07-19 Eric Christopher <echristo@apple.com>
2027 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2028 Rewrite dependencies for libgcc_s.1.dylib.
2030 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2032 * except.c (duplicate_eh_regions_1): Clear next_peer.
2034 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2036 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2037 -mlongcall does not guarantee all calls will be long.
2038 * doc/extend.texi (long_call/short_call): Document that longcall
2039 does not guarantee a long call will be used.
2040 (longcall/shortcall): Likewise.
2042 2006-07-18 Roger Sayle <roger@eyesopen.com>
2044 PR middle-end/28283
2045 * expmed.c (expand_shift): Additionally check that the shift_cost
2046 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2047 before implementing a LSHIFT_EXPR as a sequence of additions.
2048 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2049 middle-end that DImode shifts need to be synthesized by expand.
2051 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2053 PR 28410
2054 * tree-ssa-operands.c (access_can_touch_variable): Update
2055 comment.
2056 Return true if ALIAS is .GLOBAL_VAR.
2058 2006-07-18 David Daney <ddaney@avtrex.com>
2060 * gcc.c (display_help): Fix typo in help text.
2062 2006-07-18 Olivier Hainque <hainque@adacore.com>
2064 * tree.h (categorize_ctor_elements): Adjust prototype and add
2065 descriptive comment, both in accordance with the interface change
2066 described below.
2067 * varasm.c (constructor_static_from_elts_p): New function.
2068 Whether a constructor node is a valid static constant initializer
2069 if all its elements are.
2070 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2071 * output.h: Declare it.
2072 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2073 is a valid constant initializer instead of computing the number of
2074 non-constant elements. Use constructor_static_from_elts_p for this
2075 purpose. Replace the head comment with an indication that this is a
2076 helper for categorize_ctor_elements.
2077 (categorize_ctor_elements): Same interface change as for the _1
2078 helper. Former head comment from this helper moved here, adjusted to
2079 account for the interface changes.
2080 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2081 (all_zeros_p): Likewise.
2082 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2083 static versions of the constructor from the categorize_ctor_elements
2084 return value instead of the formerly computed number of non-constant
2085 elements.
2087 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2089 * configure: Regenerate.
2090 * Makefile.in (build_libsubdir): New configure substitution
2091 (build_libobjdir): New variable.
2092 (BUILD_LIBIBERTY): Use it.
2094 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2096 PR c/28286
2097 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2099 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2101 PR c/26993
2102 * c-common.c (handle_weakref_attribute): Ignore attribute in
2103 the same conditions the alias attribute is ignored.
2105 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2107 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2108 (dbxout_begin_prologue): Increment scope_labelno.
2110 2006-07-17 Richard Henderson <rth@redhat.com>
2112 PR 27889
2113 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2114 if needed.
2116 2006-07-17 Roger Sayle <roger@eyesopen.com>
2117 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2119 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2120 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2121 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2122 functions such as sbrk, write, etc.. Add function prototypes.
2123 Convert function declarations from K&R to ISO C. Cast pointers
2124 to "long" and "unsigned long" instead of "int" and "unsigned int".
2125 Convert tokens following #endif into comments.
2127 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2129 * invoke.texi: Remove mention of f77; Reformat table for
2130 inline parameter options correctly; mention that -malign-double
2131 is default on x86-64 targets.
2133 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2135 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2136 (convert_affine_scev, chrec_convert_aggressive): Use
2137 avoid_arithmetics_in_type_p. Do not check for the subtypes
2138 separately.
2140 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2142 PR middle-end/28403
2143 * optabs.c (expand_doubleword_shift): Wrap the call to
2144 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2146 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2148 PR middle-end/28402
2149 * optabs.c (expand_binop): Pass next_methods rather than methods
2150 to expand_doubleword_shift.
2152 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2154 PR other/28251
2155 * tree.h (dump_addr): Declare.
2156 * print-tree.c (dump_addr): New function.
2157 (print_node_brief, print_node): Use it.
2158 * print-rtl.c (print_rtx): Likewise.
2159 * common.opt (-fdump-noaddr): New option.
2160 * doc/invoke.texi (-fdump-noaddr): Document.
2161 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2162 (ve_info_hash): Likewise.
2164 2006-07-13 Andrew Haley <aph@redhat.com>
2166 PR tree-optimization/19505
2167 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2168 edge leaving this block, make sure that the destination of this
2169 block has only one predecessor.
2171 2006-07-17 Richard Guenther <rguenther@suse.de>
2173 PR tree-optimization/28238
2174 * tree-inline.c (copy_bb): Check if we produced valid
2175 gimple copying and substituting a stmt. If not, gimplify
2176 it.
2178 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2180 * optabs.c (maybe_encapsulate_block): New function extracted from...
2181 (emit_libcall_block): ...here. Invoke it on the block of insns to
2182 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2183 (emit_no_conflict_block): Likewise.
2185 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2187 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2189 2006-07-15 Roger Sayle <roger@eyesopen.com>
2191 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2192 a new NOP_EXPR case of the switch statement.
2194 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2196 PR middle-end/28160
2197 * stor-layout.c (place_field): Take the bit field with
2198 an excessive size into account in the ms-bitfiled case.
2200 PR middle-end/28161
2201 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2202 the previous bit field.
2204 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2206 PR target/27287
2207 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2209 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2211 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2212 signal frames correctly even when the signal was installed with
2213 sa_restorer set.
2215 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2217 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2218 (dbxout_function_end): Use local label LFBB. Remove hook
2219 DBX_OUTPUT_NFUN.
2220 (dbxout_source_line): Use local label LFBB.
2221 (dbxout_block): Likewise.
2222 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2223 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2224 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2225 and DBX_OUTPUT_NFUN.
2227 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2229 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2231 2006-07-13 Jan Hubicka <jh@suse.cz>
2233 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2234 align_variable.
2235 * output.h (align_variable): Declare.
2236 * varasm.c (align_variable): Export.
2237 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2238 when basic block changed.
2240 2006-07-13 Nick Clifton <nickc@redhat.com>
2242 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2243 walking the LOG_LINKS chain.
2245 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2247 * doc/invoke.texi (C++ Dialect Options): Explain difference
2248 between -fvisibility-inlines-hidden and setting hidden
2249 visibility explicitly.
2251 2006-07-12 Eric Christopher <echristo@apple.com>
2253 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2254 (stmp-lipo): Depend on libgcc.a.
2256 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2258 * tree.c: Fix a comment typo.
2260 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2262 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2263 dest.
2264 (umulhisi3_r): Likewise.
2266 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2268 PR libstdc++/27878
2269 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2270 x < 19, vs wchar_t support.
2272 2006-07-12 Nick Clifton <nickc@redhat.com>
2274 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2275 instead of -isa=sh4.
2277 2006-07-12 Mike Stump <mrs@apple.com>
2279 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2281 2006-07-10 Eric Christopher <echristo@apple.com>
2283 * config/t-slibgcc-darwin: Rewrite.
2285 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2287 PR bootstrap/20437
2288 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2289 dependencies.
2291 2006-07-08 Matthias Klose <doko@debian.org>
2293 * doc/sourcebuild.texi: Fix typo.
2295 2006-07-07 Mike Stump <mrs@apple.com>
2297 * toplev.c (process_options): Don't give -ffunction-sections may
2298 affect debugging warning for Mach-O.
2300 2006-07-07 James E Wilson <wilson@specifix.com>
2302 * config/mips/mips.md (cpu): Add sb1a.
2303 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2304 addition to sb1. Adjust comments to clarify SB-1A differences from
2305 SB-1.
2306 (ir_sb1a_load): New. Modify bypasses to use it.
2307 (ir_sb1a_simple_alu): Likewise.
2308 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2309 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2310 (mips_issue_rate): Add PROCESSOR_SB1A.
2311 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2312 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2313 (TARGET_SB1): Add PROCESSOR_SB1A check.
2314 (TUNE_SB1): Likewise.
2316 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2317 * config/mips/mips.c (mips_store_data_bypass_p): New.
2318 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2319 store_data_bypass_p.
2321 2006-07-08 Paul Brook <paul@codesourcery.com>
2323 PR target/27991
2324 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2326 2006-07-07 Richard Guenther <rguenther@suse.de>
2328 PR middle-end/28268
2329 * tree.h (build_one_cst): Declare.
2330 * tree.c (build_one_cst): New function.
2331 * tree-ssa-math-opts.c (get_constant_one): Remove.
2332 (insert_reciprocals): Use build_one_cst.
2333 * fold-const.c (fold_plusminus_mult): Likewise.
2335 2006-07-07 Roger Sayle <roger@eyesopen.com>
2337 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2338 * cfgloopanal.c (dump_graph): Likewise.
2339 * dojump.c (discard_pending_stack_adjust): Likewise.
2340 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2341 Likewise.
2342 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2343 * function.c (finalize_block_changes): Likewise.
2344 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2345 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2346 * rtl.c (dump_rtx_statistics): Likewise.
2347 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2348 Likewise.
2349 * varray.c (dump_varray_statistics): Likewise.
2350 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2351 decode_decimal64, encode_decimal128, decode_decimal128,
2352 decimal_real_to_decimal): Likewise.
2354 2006-07-07 Richard Guenther <rguenther@suse.de>
2356 PR tree-optimization/28187
2357 * tree-vrp.c (vrp_operand_equal_p): New function.
2358 (vrp_bitmap_equal_p): Likewise.
2359 (update_value_range): Use them to compare old and new
2360 max and min values.
2362 2006-07-06 Roger Sayle <roger@eyesopen.com>
2364 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2365 a default case to switch statement to silence compiler warnings.
2367 2006-07-06 Roger Sayle <roger@eyesopen.com>
2369 PR target/27968
2370 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2371 the configured assembler supports the x87's ffreep mnemonic.
2372 * configure: Regenerate.
2373 * config.in: Regenerate.
2375 * config/i386/i386.c (output_387_ffreep): New function.
2376 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2377 (output_387_reg_move): Likewise.
2379 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2381 Port to hosts whose 'sort' and 'tail' implementations
2382 treat operands with leading '+' as file names, as POSIX
2383 has required since 2001. However, make sure the code still
2384 works on pre-POSIX hosts.
2385 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2386 which says you should use "tail -c +N" rather than "tail +Nc".
2387 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2389 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2391 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2392 argument name.
2394 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2396 PR target/28150
2397 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2398 PRE_{INC,DEC} of TFmode.
2400 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2401 Alan Modra <amodra@bigpond.net.au>
2403 PR target/28170
2404 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2405 bounds. Simplify.
2407 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2409 PR target/28285
2410 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2411 Remove duplicate gtu.
2413 2006-07-05 Jason Merrill <jason@redhat.com>
2415 PR c++/13983
2416 PR c++/17519
2417 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2418 * c-common.c (handle_packed_attribute): So don't copy it here.
2419 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2421 2006-07-05 Mike Stump <mrs@apple.com>
2423 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2425 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2427 PR target/26146
2428 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2430 2006-07-05 Richard Guenther <rguenther@suse.de>
2432 PR target/28158
2433 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2434 TARGET_SSE2 targets if using SSE math.
2435 (*absdf2_1): Likewise.
2437 2006-07-05 Richard Guenther <rguenther@suse.de>
2439 PR tree-optimization/28162
2440 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2441 make sure to convert the operands to the correct type.
2443 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2445 PR tree-optimization/28218
2447 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2448 to calculate and free the dominator information.
2450 2006-07-04 Peter O'Gorman <peter@pogma.com>
2452 * mklibgcc.in: chmod 644 before ranlib during install.
2454 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2455 J"orn Rennecke <joern.rennecke@st.com>
2457 * configure.ac (.eh_frame data check): Use diff -b.
2459 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2461 PR bootstrap/18058
2462 * Makefile.in (BUILD_RTL): Add build/vec.o.
2463 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2464 (build/genextract): Delete.
2465 (build/genautomata): Likewise.
2467 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2469 PR target/28207
2470 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2471 128-bit IBM long doubles for ABI_V4.
2473 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2475 * tree.c (range_in_array_bounds_p): New predicate.
2476 * tree.h (range_in_array_bounds_p): Declare it.
2477 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2478 return a less conservative answer.
2479 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2480 and flag 'is_group'.
2481 (IS_ELEMENT_FOR_GROUP): New macro.
2482 (FOR_EACH_ACTUAL_CHILD): Likewise.
2483 (next_child_for_group): New helper function.
2484 (can_completely_scalarize_p): Take into account groups.
2485 (sra_hash_tree): Handle RANGE_EXPR.
2486 (sra_elt_eq): Likewise.
2487 (lookup_element): Be prepared for handling groups.
2488 (is_valid_const_index): Delete.
2489 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2490 instead of is_valid_const_index.
2491 <ARRAY_RANGE_REF>: New case.
2492 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2493 is_valid_const_index.
2494 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2495 (scan_dump): Dump info for groups too.
2496 (decide_instantiation_1): Likewise.
2497 (decide_block_copy): Assert that the element is not a group.
2498 Propagate decision to groups.
2499 (generate_one_element_ref): Handle RANGE_EXPR.
2500 (mark_no_warning): Iterate over actual childs.
2501 (generate_copy_inout): Likewise.
2502 (generate_element_copy): Likewise.
2503 (generate_element_zero): Likewise.
2504 (generate_element_init_1): Likewise.
2505 (dump_sra_elt_name): Handle RANGE_EXPR.
2507 2006-07-03 Roger Sayle <roger@eyesopen.com>
2509 PR tree-optimization/26251
2510 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2511 (thread_block): When optimizing for size refuse to thread jumps
2512 that would require duplication of blocks other than redirection
2513 blocks.
2515 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2517 * configure.ac: Fix thinko in previous check-in.
2518 * configure: Regenerate.
2520 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2522 PR other/27063
2523 * configure.ac (for lang...): Simplify nesting of conditionals.
2524 Test subdir_requires for non-enabled languages. Move processing
2525 of lang_opt_files and lang_tree_fiels below that test.
2526 * configure: Regenerate.
2527 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2529 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2531 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2533 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2535 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2536 comment typos.
2538 2006-06-29 Jason Merrill <jason@redhat.com>
2540 PR c++/26905
2541 PR c++/26612
2542 PR c++/27000
2543 PR c++/26984
2544 PR c++/19134
2545 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2546 * c-common.c (c_determine_visibility): Handle it here.
2547 * c-decl.c (finish_decl): Call c_determine_visibility for
2548 functions, too.
2549 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2550 * tree.h: Likewise.
2551 * varasm.c (default_assemble_visibility): Likewise.
2552 * c-common.c (handle_visibility_attribute): Complain about trying
2553 to give visibility to an already defined class, or trying to change
2554 declared visibility. Always attach the attribute.
2556 PR c++/26905
2557 PR c++/21675
2558 PR c++/17470
2559 * attribs.c (decl_attributes): Ignore type-in-place attributes
2560 once the type has been defined.
2562 2006-06-29 Roger Sayle <roger@eyesopen.com>
2564 PR middle-end/27428
2565 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2566 to indicate the cpplib has issued an error message for us.
2568 2006-06-29 Asher Langton <langton2@llnl.gov>
2570 PR target/25765
2571 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2572 insert a label at the end of an function under Mach-O.
2574 2006-06-29 Eric Christopher <echristo@apple.com>
2575 Evan Cheng <evan.cheng@apple.com>
2577 * predicates.md (vector_all_ones_operand): New.
2578 (nonimmediate_or_sse_const_operand): Ditto.
2579 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2580 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2581 (standard_sse_mode_p): Ditto.
2582 (standard_sse_constant_p): Add case for -1 vector.
2583 (ix86_expand_vector_move): Try to use.
2584 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2585 Call standard_sse_constant_opcode.
2586 (*movv4sf_internal): Ditto.
2587 (*movv2df_internal): Ditto.
2589 2006-06-29 Roger Sayle <roger@eyesopen.com>
2591 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2592 of XEXP to extract the operands of a MATCH_CODE rtx.
2594 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2596 * tree.c (tree_size): Do not waste tail padding in
2597 struct tree_string and make the size be the same as
2598 build_string will generate.
2600 2006-06-28 Jason Merrill <jason@redhat.com>
2602 PR c++/27768
2603 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2604 may_aliases already in the tag's annotations to the bitmap.
2606 2006-06-28 Roger Sayle <roger@eyesopen.com>
2608 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2610 2006-06-28 Roger Sayle <roger@eyesopen.com>
2612 * genpreds.c (generate_switch_p): New function.
2613 (add_mode_tests): Push the new mode test down inside an AND expr
2614 if this allows the switch-suitable MATCH_CODE to be near the root.
2615 (write_match_code_switch): New function to write a MATCH_CODE as
2616 a switch statement.
2617 (write_predicate_stmts): New function to write a predicate RTX
2618 expression as a sequence of statements.
2619 (write_one_predicate_function): Use write_predicate_stmts.
2620 (write_tm_constrs_h): Likewise.
2622 2006-06-26 Fred Fish <fnf@specifix.com>
2624 * config/mips/t-sb1: New file.
2625 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2626 tmake_file list.
2628 2006-06-26 DJ Delorie <dj@redhat.com>
2630 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2632 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2633 Jayant Sonar <jayants@kpitcummins.com>
2634 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2636 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2637 (subsi3, subsi3_1, subsi3_2): New.
2638 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2639 * config/m32c/mov.md (SI mov peephole): New.
2640 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2641 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2643 2006-06-26 Olivier Hainque <hainque@adacore.com>
2645 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2646 a CALL_EXPR target function declaration.
2648 2006-06-26 Richard Guenther <rguenther@suse.de>
2650 * tree.c (build_string): Do not waste tail padding in
2651 struct tree_string.
2653 2006-06-26 Richard Guenther <rguenther@suse.de>
2655 * ggc-page.c (init_ggc): Add missing element to size_lookup
2656 table.
2658 Revert
2659 2006-06-23 Richard Guenther <rguenther@suse.de>
2661 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2662 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2663 alignment requests instead. Add verification code.
2664 Add struct tree_function_decl and struct tree_binfo size to
2665 extra_order_size_table. Add missing element to size_lookup
2666 table.
2668 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2670 PR middle-end/28151
2671 * fold-const.c (const_binop): Be prepared for self returning zero.
2672 Simplify code handling complex values.
2674 2006-06-24 Olivier Hainque <hainque@adacore.com>
2676 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2677 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2678 aggregate types.
2680 2006-06-24 Olivier Hainque <hainque@adacore.com>
2682 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2683 ARRAY_REF, so have the callback called for the low bound expression.
2685 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2687 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2688 * c-typeck.c (c_common_type): Disallow operations on decimal float
2689 types and other float types.
2690 * convert.c (convert_to_real): Don't ignore conversions involving
2691 decimal float types.
2693 2006-06-23 Olivier Hainque <hainque@adacore.com>
2695 * tree.c (max_int_size_in_bytes): New function, inspired from
2696 code in function.c:assign_temp.
2697 * tree.h (max_int_size_in_bytes): Declare.
2698 * function.c (assign_temp): Use it.
2699 * gimplify.c (create_tmp_var): Relax the assertions on the type
2700 properties, not mandating constant size any more.
2701 (force_constant_size): New static function.
2702 (gimple_add_tmp_var): Use it, forcing variable size to a
2703 constant upper bound if it is not constant on entry.
2705 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2707 PR target/27789
2708 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2709 for initialization and setting of one_only flag to ...
2710 (i386_pe_encode_section_info): ...here.
2711 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2712 Recheck that the symbol has not been defined.
2714 2006-06-23 Richard Guenther <rguenther@suse.de>
2716 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2717 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2718 alignment requests instead. Add verification code.
2719 Add struct tree_function_decl and struct tree_binfo size to
2720 extra_order_size_table. Add missing element to size_lookup
2721 table.
2723 2006-06-22 Roger Sayle <roger@eyesopen.com>
2724 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2726 PR middle-end/28131
2727 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2728 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2730 2006-06-23 Ben Elliston <bje@au.ibm.com>
2732 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2733 negate dn -- manipulate it directly.
2735 2006-06-22 Roger Sayle <roger@eyesopen.com>
2736 Steven Bosscher <stevenb.gcc@gmail.com>
2738 PR target/27531
2739 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2740 generated by gen_move_insn to add REG_LABEL notes if necessary.
2742 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2744 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2745 (leaf_entry): Remove use of MIN_ESA.
2747 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2749 PR rtl-optimization/28121
2750 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2751 the entry edge.
2753 2006-06-21 DJ Delorie <dj@redhat.com>
2755 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2756 (TN-16C-A156A/E).
2757 (mulhisi3_r): Likewise.
2759 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2761 PR middle-end/28034
2762 * coverage.c (coverage_counter_alloc): Leave the index type
2763 unspecified.
2764 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2765 of the ARRAY_REF.
2767 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2769 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2770 section from the "Options for Code Generation Conventions".
2772 2006-06-21 Richard Henderson <rth@redhat.com>
2774 PR target/26347
2775 PR target/27082
2776 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2777 symbols.
2778 (global_symbolic_operand): Allow weak symbols, even if local_p.
2780 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2782 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2783 (find_interesting_uses_address): Punt if above function returns true.
2785 2006-06-21 Richard Guenther <rguenther@suse.de>
2787 * configure: Regenerated.
2789 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2791 * config/mips/mips.c (function_arg): Where one part of a
2792 complex argument is in registers and the other part in the stack,
2793 return a REG not a PARALLEL.
2795 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2797 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2798 when cross-compiling. Do not substitute libstdcxx_incdir.
2799 * configure: Regenerated.
2801 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2803 * varasm.c (mergeable_string_section): Check for embedded NULs and
2804 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2805 rather than TREE_STRING_LENGTH bytes.
2807 2006-06-21 Richard Guenther <rguenther@suse.de>
2809 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2810 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2811 sizes.
2813 2006-06-21 Richrad Guenther <rguenther@suse.de>
2815 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2816 Limit iteration over the dominators.
2818 2006-06-20 Roger Sayle <roger@eyesopen.com>
2820 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2821 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2823 2006-06-20 Richard Guenther <rguenther@suse.de>
2824 Michael Matz <matz@suse.de>
2826 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2827 function.
2828 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2829 * et-forest.h (et_free_pools): Prototype new function.
2830 * et-forest.c (et_free_tree_force): Free parent occurrence.
2831 (et_free_pools): New function.
2832 * dominance.c (free_dominance_info): Free et-forest alloc
2833 pools.
2835 2006-06-20 Roger Sayle <roger@eyesopen.com>
2837 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2838 integer modes, attempt to directly construct an integer constant.
2840 * fold-const.c (native_encode_vector): Determine the size of each
2841 element from the vector type instead of the first vector element.
2843 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2844 if all of its elements/components are constant.
2845 (build_constructor_from_list): Likewise.
2847 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2849 PR tree-optimization/27331
2850 * tree-data-ref.c (free_data_ref): New function.
2851 (create_data_ref): Fail if the data reference has unknown access
2852 function.
2853 (free_data_refs): Use free_data_ref.
2855 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2857 PR middle-end/28075
2858 * tree-inline.c (setup_one_parameter): Strip useless
2859 type conversion before adding it to the IR.
2860 (declare_return_variable): Likewise.
2862 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2864 PR c/27149
2865 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2867 2006-06-19 Mike Stump <mrs@apple.com>
2869 * tree.c (variably_modified_type_p): VM arguments don't make the
2870 type a VM type.
2872 2006-06-19 Richard Guenther <rguenther@suse.de>
2874 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2875 type conversions after folding.
2877 2006-06-19 Richard Guenther <rguenther@suse.de>
2879 * ggc-page.c (extra_order_size_tab): Add entries with
2880 size of struct function and basic_block.
2881 (size_lookup): Extend to cover sizes up to 511.
2882 (ggc_alloc_stat): Adjust user.
2883 (ggc_pch_count_object): Likewise.
2884 (ggc_pch_alloc_object): Likewise.
2885 (ggc_pch_write_object): Likewise.
2887 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2889 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2890 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2891 correctly.
2893 2006-06-19 Denis Chertykov <denisc@overta.ru>
2895 * config/avr/libgcc.S : Correct my wrong previous commit.
2897 2006-06-19 Roger Sayle <roger@eyesopen.com>
2899 PR target/27861
2900 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2901 have stripped a SUBREG from the shift count, so we may need to
2902 convert_to_mode back to the type's mode before calling make_tree.
2903 Use new_amount instead of amount to avoid expanding a tree twice.
2905 2006-06-19 Richard Guenther <rguenther@suse.de>
2907 PR middle-end/28045
2908 * fold-const.c (operand_equal_p): Check if the argument types
2909 have the same precision before stripping NOPs.
2911 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2913 Fix PR tree-optimization/27341
2914 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2915 statement we get.
2916 * tree-complex.c (pass_lower_complex): Update SMT usage.
2918 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2920 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2921 Add a new alternative to the constraint strings. Add move of
2922 operand 1 to 3 to the splitter definition.
2923 ("doloop_si_long"): Second contraint alternative removed.
2925 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2927 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2928 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2929 __AVR_HAVE_LPMX__.
2930 (AVR_HAVE_MOVW) Define.
2931 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2932 (ASM_SPEC): Add avr25.
2933 (LINK_SPEC): Add avr25.
2934 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2935 (base_arch_s): Add new member 'have_movw_lpmx'.
2936 (avr_arch_types): Init 'have_movw_lpmx'.
2937 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2938 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2939 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2940 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2941 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2942 AVR_HAVE_MOVW.
2943 (avr_file_start): Do not output '.arh' derective.
2944 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2945 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2946 * config/avr/avr.md (mcu_enhanced): Delete.
2947 (mcu_have_movw): Define.
2948 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2949 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2950 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2951 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2952 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2953 attiny861 and at86rf401 devices.
2955 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2957 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2958 of 4096.
2960 2006-06-17 Karl Berry <karl@gnu.org>
2962 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2963 doc/gccint.texi, doc/install.texi (@dircategory): Use
2964 "Software development" instead of "Programming", following
2965 the Free Software Directory.
2967 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2969 * config/i386/i386.c (legitimate_tls_address)
2970 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2971 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2972 (*tls_dynamic_gnu2_combine_64): Likewise.
2974 2006-06-16 Richard Guenther <rguenther@suse.de>
2976 PR middle-end/27116
2977 * fold-const.c (negate_expr_p): Do not introduce undefined
2978 overflow in negating INTEGER_CSTs.
2979 (fold_negate_expr): Rename from negate_expr. Revert last
2980 change for folding BIT_NOT_EXPR. Change semantics to
2981 return NULL_TREE for non-simplified negations. Do not
2982 strip type conversions and unify type handling.
2983 (negate_expr): New function, wrap around fold_negate_expr
2984 but ensure building a tree always. Strip type conversions
2985 here, fold to result type.
2986 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2988 2006-06-16 Roger Sayle <roger@eyesopen.com>
2990 PR middle-end/27802
2991 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2992 that (would) return their results in stack registers.
2994 2006-06-16 Michael Matz <matz@suse.de>
2995 Richard Guenther <rguenther@suse.de>
2997 * fold-const.c (fold_truthop): Only return new tree node if
2998 we canonicalized something.
3000 2006-06-16 Richard Guenther <rguenther@suse.de>
3002 * function.h (enum function_frequency): Move declaration
3003 out of struct function.
3004 (struct function): Move bool fields and the enum to the bitfield
3005 section. Reorder elements to avoid padding. Remove unused
3006 fields left over from the RTL inliner removal.
3007 * function.c (free_after_compilation): Do not zero removed fields.
3008 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3009 (ipa-type-escape.o): Likewise.
3011 2006-06-16 Richard Guenther <rguenther@suse.de>
3013 * cgraph.h (struct cgraph_local_info): Turn bool elements
3014 into a bitfield.
3015 (struct cgraph_node): Likewise.
3016 (struct cgraph_varpool_node): Likewise.
3018 2006-06-15 Richard Guenther <rguenther@suse.de>
3020 * fold-const.c (fold_truth_not_expr): Rename from
3021 invert_truthvalue. Give it fold_* semantics to avoid
3022 generating garbage.
3023 (invert_truthvalue): New function. Wrapper around
3024 fold_truth_not_expr.
3025 (optimize_minmax_comparison): Avoid creating garbage.
3026 (fold_unary): Use fold_truth_not_expr for folding
3027 TRUTH_NOT_EXPR.
3028 (fold_ternary): Replace uses of invert_truthvalue with
3029 fold_truth_not_expr where applicable.
3030 * tree.h (fold_truth_not_expr): Prototype.
3032 2006-06-16 Richard Guenther <rguenther@suse.de>
3034 PR tree-optimization/27781
3035 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3036 * ipa-pure-const.c (target.h): Include.
3037 (analyze_function): Do not analyze functions that do not
3038 bind locally.
3040 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3042 PR middle-end/27793
3043 * tree-dfa.c (referenced_vars_dup_list): Remove.
3044 (find_referenced_vars): Remove assert.
3045 (referenced_var_check_and_insert): Replace dup list with assert.
3046 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3047 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3049 2006-06-15 Richard Guenther <rguenther@suse.de>
3051 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3052 extra unused identifiers if not dumping.
3053 (create_variable_info_for): Likewise.
3055 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3057 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3058 (derive_constant_upper_bound): Derive more precise upper bound in
3059 common cases. Return type changed to double_int.
3060 (record_estimate): Reflect the changed return type of
3061 derive_constant_upper_bound.
3062 * double-int.c (double_int_zext, double_int_sext): Fix.
3064 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3066 * configure.ac (CFLAGS): Get them from the toplevel or from the
3067 configure invocation.
3068 * configure: Regenerate.
3069 * Makefile.in (CFLAGS): Substitute value provided by configure.
3071 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3073 PR c++/26559
3074 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3075 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3076 rather than calling add_stmt on it.
3077 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3079 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3081 PR middle-end/27959
3082 * reload1.c (reload): Remove registers returned by update_eliminables
3083 from used_spill_regs.
3085 2006-06-13 DJ Delorie <dj@redhat.com>
3087 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3089 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3091 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3092 html__strip_dir, html__mkdir_p. Enhance install-html target.
3093 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3094 * configure: Regenerate.
3096 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3098 * fold-const.c (fold_cond_expr_with_comparison): Check for
3099 Objective-C++ as language in deciding COND_EXPR transformation.
3101 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3103 PR target/28014:
3104 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3105 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3106 * config/sh/lib1funcs.h (SL, SL1): Define.
3107 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3108 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3109 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3110 (OBJS_Os_4_200): New variable.
3111 ($(T)libgcc-Os-4-200.a): Use it.
3112 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3113 when dividing 1 and/or by 0.
3115 2006-06-13 Roger Sayle <roger@eyesopen.com>
3117 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3118 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3119 * configure: Regenerate.
3121 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3123 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3124 for real instruction.
3126 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3128 PR middle-end/26807
3129 * haifa-sched.c (check_cfg): Handle special case.
3131 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3133 PR debug/26754
3134 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3135 Add debug_info parameter. Chain the vars to the BLOCK instead
3136 of the BIND_EXPR if debug info are requested for them.
3137 (pop_gimplify_context): Adjust for above change.
3138 (gimple_add_tmp_var): Likewise.
3139 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3140 Add bool parameter.
3141 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3142 (convert_local_reference): Likewise.
3143 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3144 (finalize_nesting_tree_1): Request that debug info be emitted
3145 for debug_var_chain.
3147 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3149 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3150 for PR target/27863.
3152 2006-06-13 Richard Guenther <rguenther@suse.de>
3154 PR middle-end/27536
3155 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3157 2006-06-13 Richard Guenther <rguenther@suse.de>
3159 PR tree-optimization/27830
3160 * tree-inline.c (copy_body_r): For copying the operand
3161 of an ADDR_EXPR make sure to fold &* afterwards.
3163 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3165 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3166 lvalues in the fb_none case with side-effects.
3168 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3170 * tree-flow.h: Remove the prototype for
3171 compute_phi_arg_on_exit.
3172 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3173 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3174 Remove.
3176 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3178 * builtins.c (expand_builtin_return_addr): Only use
3179 frame_pointer_rtx when count == 0 and we are expanding
3180 __builtin_return_address.
3182 2006-06-12 Fred Fish <fnf@specifix.com>
3184 * config/mips/mips.c (mips_file_start): Create special section
3185 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3187 2006-06-11 Eric Christopher <echristo@apple.com>
3189 PR middle-end/27948
3190 * stor-layout.c (place_field): Remove check for
3191 remaining_in_alignment when aligning at the end of a run.
3193 2006-06-11 Eric Christopher <echristo@apple.com>
3195 PR 27542
3196 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3197 pragma.
3199 2006-06-11 Roger Sayle <roger@eyesopen.com>
3201 PR target/27858
3202 Revert incorrect fix for PR target/27158
3203 2006-05-08 Roger Sayle <roger@eyesopen.com>
3204 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3205 of a reg_equiv_constant if the result is a legitimate constant.
3207 2006-06-11 Roger Sayle <roger@eyesopen.com>
3209 PR target/27158
3210 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3211 extract a CONST_VECTOR element and interpret it as an integer.
3212 (vspltis_constant): Use const_vector_elt_as_int instead of the
3213 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3214 * config/rs6000/predicates.md (easy_vector_const): Consider
3215 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3217 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3219 PR middle-end/27942
3220 * stor-layout.c (update_alignment_for_field): Don't add extra
3221 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3222 code.
3224 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3226 * config/mips/t-rtems: Add EL/EB multilib variants.
3228 2006-06-09 Mike Stump <mrs@apple.com>
3230 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3232 2006-06-09 David Daney <ddaney@avtrex.com>
3234 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3236 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3238 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3240 2006-06-09 Richard Guenther <rguenther@suse.de>
3242 PR tree-optimization/26998
3243 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3244 of signed types, only TYPE_MIN_VALUE is special, but for both,
3245 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3246 in this case, as is -fwrapv.
3248 2006-06-08 Mike Stump <mrs@apple.com>
3250 PR target/26427
3251 * config/darwin.c (darwin_asm_output_anchor): Disable
3252 -fsection-anchors on darwin for now.
3253 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3254 * rs6000/rs6000.c (optimization_options): Likewise.
3256 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3258 PR target/27421
3259 * config/i386/i386.c (classify_argument): Skip fields with invalid
3260 types in unions.
3262 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3264 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3265 (cse_insn): Likewise for the stack_pointer_rtx.
3267 2006-06-08 Roger Sayle <roger@eyesopen.com>
3269 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3270 conditions from floating point comparisons.
3272 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3274 PR middle-end/27733
3275 * expmed.c (struct alg_hash_entry): Fix type of field T
3276 to match synth_mult argument.
3277 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3279 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3281 PR target/27863
3282 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3283 block boundaries.
3285 2006-06-08 Richard Guenther <rguenther@suse.de>
3287 PR middle-end/27116
3288 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3289 only, if overflow is defined and not trapping.
3290 (negate_expr): Likewise.
3292 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3294 PR tree-optimization/27872
3295 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3296 flag on the new exit edge of the unrolled loop.
3298 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3300 PR rtl-optimization/26449
3301 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3303 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3305 PR middle-end/27793
3306 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3307 referenced_variables with matching DECL_UID's.
3308 (find_referenced_vars): Make sure duplicate list is empty to start.
3309 (referenced_var_p): Remove.
3310 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3311 Check if var is in the list, and add if needed. Update the duplicate
3312 list if a different var is in the list with the same DECL_UID.
3313 (add_referenced_var): Call routine to check and insert.
3314 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3315 * tree-flow.h (referenced_vars_dup_list): External declaration.
3317 2006-06-07 Fred Fish <fnf@specifix.com>
3319 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3320 into single entry.
3322 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3324 PR target/27390
3325 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3326 the imaginary and real parts of a clobbered register.
3327 Emit insn to set the imaginary part.
3329 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3331 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3332 in lieu of unwind-dw2-fde.c.
3334 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3336 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3338 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3340 PR target/27842
3341 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3342 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3343 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3344 V4SImode temporaries and operations instead.
3346 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3348 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3349 dp-bit.c.
3351 2006-06-06 Mike Stump <mrs@apple.com>
3353 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3354 installing during build.
3356 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3358 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3359 value to 0.
3360 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3361 * config/ia64/ia64.c (params.h): New header.
3362 (ia64_optimization_options): New function to adjust parameters.
3363 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3364 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3365 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3367 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3369 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3371 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3373 PR target/27051
3374 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3376 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3377 Victor Kaplansky <victork@il.ibm.com>
3379 PR tree-optimization/26360
3380 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3381 stmts.
3383 2006-06-04 Roger Sayle <roger@eyesopen.com>
3384 Andrew Pinski <pinskia@physics.uc.edu>
3386 PR middle-end/27382
3387 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3388 for LABEL_DECL before calling DECL_WEAK.
3390 PR c/27150
3391 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3392 LABEL_DECL and PARM_DECL.
3394 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3396 PR c/25161
3397 PR c/27020
3398 * c-decl.c (grokdeclarator): Disallow variably modified types at
3399 file scope. Avoid marking shared array type of constant size as
3400 VLA.
3402 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3404 PR c++/27601
3405 * c-common.c (fold_offsetof_1): Handle static members.
3407 2006-06-04 Eric Christopher <echristo@apple.com>
3409 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3410 (debug_rli): Output value for remaining_in_alignment.
3411 (update_alignment_for_field): Unconditionalize
3412 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3413 extra alignment code.
3414 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3415 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3416 * tree.h (record_layout_info_s): Remove prev_packed.
3417 * doc/extend.texi (ms_struct): Add documentation of format.
3419 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3421 * tree.h: Declare folding_initializer.
3422 * builtins.c (fold_builtin_constant_p): Give definite answer
3423 if folding inside an initializer.
3424 * fold-const.c: Define folding_initializer.
3425 (START_FOLD_INIT): Save and then set folding_initializer.
3426 (END_FOLD_INIT): Restore folding_initializer.
3428 2006-06-04 Richard Guenther <rguenther@suse.de>
3430 PR tree-optimization/27039
3431 * fold-const.c (fold_comparison): Handle pointer comparison
3432 again for all comparison codes. Compare offsets in signed
3433 size type.
3434 (fold_binary): Move code from here.
3436 2006-06-03 Roger Sayle <roger@eyesopen.com>
3438 PR target/26223
3439 * config/i386/i386.c (construct_container): Split static issued_error
3440 flag into issued_sse_arg_error, issued_sse_ret_error and
3441 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3442 requires the use of x87 registers and the user explicitly
3443 specified the -mno-80387 command line option.
3445 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3447 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3448 HAVE_DECL_SIGALTSTACK.
3449 (MC_FLD): New.
3450 (segv_handler): Use MC_FLD.
3451 * configure.ac: Check for a sigaltstack declaration.
3452 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3453 * configure: Regenerate.
3454 * config.in: Regenerate.
3456 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3458 PR other/27850
3459 * Makefile.in (stmp-fixinc): Fix typo.
3461 2006-06-02 Roger Sayle <roger@eyesopen.com>
3463 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3464 are type correct. Clean-up.
3465 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3466 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3468 2006-06-01 DJ Delorie <dj@redhat.com>
3470 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3471 shift, as we've disabled the "switch" insn that needs it.
3473 2006-06-01 Per Bothner <bothner@bothner.com>
3475 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3476 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3477 * c-ppoutput.c (cb_define): Don't increment line 0.
3479 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3481 * doc/invoke.texi: Add cpu_type power6.
3482 * config.gcc: Add cpu_type power6.
3483 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3484 to power5+ with Altivec.
3485 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3486 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3488 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3490 * config/avr/avr.h (SET_ASM_OP): Define.
3492 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3494 * config/bfin/bfin.c: Fix comment typos.
3496 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3498 PR 25453
3499 * doc/install.texi: Document --enable-bootstrap and
3500 --disable-bootstrap.
3502 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3504 * doc/install.texi: Document that InfoZIP can replace jar.
3506 2006-05-31 Roger Sayle <roger@eyesopen.com>
3508 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3509 isn't available, directly generate the simpler x87 patterns without
3510 the (use (const_int 0)).
3511 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3512 implementation isn't available.
3513 (*negdf2_1): Likewise.
3514 (*negxf2_1): XF mode negation is always done using the x87.
3515 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3517 2006-05-31 Roger Sayle <roger@eyesopen.com>
3519 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3520 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3521 cabs(z).
3522 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3524 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3526 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3527 * config/bfin/bfin.c (basic-block.h): Include.
3528 (struct machine_function): New.
3529 (bfin_init_machine_status): New.
3530 (override_options): Initialize init_machine_status.
3531 (bfin_hardware_loop): New.
3532 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3533 (DEF_VEC_P (loop_info)): New.
3534 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3535 (struct loop_info): New.
3536 (loop_info): New typedef.
3537 (struct loop_work): New.
3538 (loop_work): New typedef.
3539 (DEF_VEC_O (loop_work)): New.
3540 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3541 (bfin_dump_loops): New.
3542 (bfin_bb_in_loop): New.
3543 (bfin_scan_loop): New.
3544 (bfin_optimize_loop): New.
3545 (bfin_reorg_loops): New.
3546 (bfin_reorg): Use bfin_reorg_loops.
3547 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3548 loop registers.
3549 (I_REGNO_P): Simplify.
3550 (DP_REGNO_P, DPREG_P): New macros.
3551 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3552 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3553 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3554 Add LT_REGS, LC_REGS, LB_REGS.
3555 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3556 'l' for LB_REGS.
3557 (REGNO_REG_CLASS): Deal with loop registers.
3558 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3559 letters.
3560 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3561 New constants for loop registers.
3562 (UNSPEC_LSETUP_END): New.
3563 (seq_insns): New define_attr. Set it for appropriate insns.
3564 (movsi_insn): Add alternatives for move from/to
3565 loop count registers.
3566 (doloop_end): New define_expand.
3567 (loop_end): New define_insn.
3568 (define_split for bad doloop_end): New.
3569 (lsetup_with_autoinit): New define_insn.
3570 (lsetup_without_autoinit): New define_insn.
3571 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3572 * config/bfin/predicates.md (lc_register_operand): New.
3573 (lt_register_operand): New.
3574 (lb_register_operand): New.
3575 (nondp_register_operand): New.
3576 (nondp_reg_or_memory_operand): New.
3577 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3579 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3581 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3582 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3584 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3586 * Makefile.in (CATALOGS): Add po/ prefix.
3587 * configure: Regenerated.
3589 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3591 PR target/27829
3592 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3593 a shift operand before calling shift_op. Avoid redundant call of
3594 shift_op.
3596 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3597 DJ Delorie <dj@redhat.com>
3599 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3600 we're inserting is a singlt-bit constant.
3602 2006-05-30 Roger Sayle <roger@eyesopen.com>
3604 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3605 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3607 2006-05-30 Roger Sayle <roger@eyesopen.com>
3609 PR tree-optimization/23452
3610 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3611 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3612 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3613 complex values and with -ffast-math for FP complex values.
3615 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3617 * c-common.h: Remove the prototype for yyparse.
3618 * rtl.h: Remove the prototype for init_loop.
3620 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3622 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3623 calling recog.
3625 2006-05-30 Roger Sayle <roger@eyesopen.com>
3627 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3628 and rotate cases.
3629 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3630 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3632 2006-05-30 Dirk Mueller <dmueller@suse.de>
3634 PR c/27273
3635 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3636 for CONSTANT_CLASS_P expresisons.
3638 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3640 PR c/27718
3641 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3643 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3645 PR tree-optimization/27779
3646 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3647 initial_condition instead of CHREC_LEFT.
3649 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3651 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3652 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3653 Make prototypes ISO C90.
3655 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3656 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3658 * see.c (see_analyze_one_def): Correct check.
3659 (see_get_extension_data): Check if extension is parallel.
3660 (see_get_extension_reg): Likewise.
3662 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3664 PR target/27790
3665 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3666 into register for (code == GTU).
3668 2006-05-29 Roger Sayle <roger@eyesopen.com>
3670 PR tree-optimization/24964
3671 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3672 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3673 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3674 abs(x)*abs(x) as x*x for scalar floating point modes.
3676 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3678 PR middle-end/27745
3679 * lambda-code.c (perfect_nestify): Don't copy statements
3680 in the inner loop: move them to the inner loop header.
3682 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3684 PR 26237
3685 * c-tree.texi: Document OpenMP directives and clauses.
3687 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3689 * varasm.c (globalize_decl): Fix indentation.
3691 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3693 PR 26242
3694 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3695 pass_fre, pass_store_ccp, pass_copy_prop,
3696 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3697 pass_return_slot, pass_object_size, pass_lim,
3698 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3699 pass_loop_prefetch and pass_stdarg.
3701 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3703 * config/bfin/bfin.opt (mfdpic): New option.
3704 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3705 (EXTRA_MULTILIB_PARTS): Likewise.
3706 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3707 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3708 multilib.
3709 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3710 (CRT_CALL_STATIC_FUNCTION): New.
3711 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3712 -shared.
3713 (CRT_CALL_STATIC_FUNCTION): New.
3714 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3715 FD-PIC moves.
3716 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3717 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3718 (initialize_trampoline): Changed to handle FD-PIC code generation.
3719 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3720 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3721 (override_options): Disallow -mid-shared-library -mfdpic combination.
3722 Can't do unaligned ops if FD-PIC.
3723 Turn off flag_pic if trying to generate non-id-shared-library
3724 non-fdpic code, since it's not supported.
3725 (bfin_assemble_integer): New function.
3726 (TARGET_ASM_INTEGER): Define.
3727 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3728 __BFIN_FDPIC__.
3729 * config/bfin/crtn.s: Restore them.
3730 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3731 if TARGET_FDPIC.
3732 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3733 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3734 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3735 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3736 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3737 call-used.
3738 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3739 FDPIC_REGS and FDPIC_FPTR_REGS.
3740 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3741 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3742 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3743 (load_funcdescsi): New pattern.
3744 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3745 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3746 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3748 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3750 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3751 loop.c.
3753 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3755 * tree-flow.h: Remove the prototype for add_type_alias.
3756 * tree-ssa-alias.c (add_type_alias): Remove.
3758 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3760 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3761 config/fr30/fr30.md, config/i386/i386-interix.h,
3762 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3763 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3764 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3765 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3766 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3767 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3768 Follow spelling conventions.
3769 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3770 Follow spelling conventions.
3772 2006-05-27 Richard Guenther <rguenther@suse.de>
3774 PR middle-end/27773
3775 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3776 to produce a constant of value 1 of generic type.
3778 2006-05-27 Dirk Mueller <dmueller@suse.de>
3780 * cgraphunit.c (decide_is_function_needed): Fix wrong
3781 PR reference.
3783 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3785 PR rtl-optimization/27661
3786 * reload.c (find_reloads): When reloading a VOIDmode constant
3787 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3788 use Pmode as mode of the reload register.
3790 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3792 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3793 is enabled at -O and above.
3795 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3797 PR target/27571
3798 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3799 table data.
3801 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3803 PR c++/20103
3804 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3805 for anonymous variables explicitly declared by front ends.
3807 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3809 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3810 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3811 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3812 ref-all pointers, run a finalization pass for them.
3813 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3814 (finalize_ref_all_pointers): New function.
3815 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3816 regular pointer type to a ref-all pointer type.
3817 (get_tmt_for): Return the special memory tag for ref-all pointers.
3819 2006-05-25 Richard Guenther <rguenther@suse.de>
3821 PR middle-end/27743
3822 * fold-const.c (fold_binary): Do not look at the stripped
3823 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3825 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3827 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3828 for LT and GT if the computed range is effectively empty.
3830 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3832 PR target/27627
3833 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3834 mips_quad_format formats instead of ieee_single_format,
3835 ieee_double_format and ieee_quad_format formats, respectively.
3837 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3839 PR tree-optimization/27639
3840 PR tree-optimization/26719
3841 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3842 call to scev_probably_wraps_p.
3843 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3844 used_in_pointer_arithmetic_p, convert_step): Removed.
3845 (nowrap_type_p): New function.
3846 (scev_probably_wraps_p): Rewritten.
3847 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3848 chrec_convert if chrec_convert_aggressive might have been used.
3849 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3850 scev_direction): New functions.
3851 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3852 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3853 instead of convert_step.
3854 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3855 (convert_step): Declaration removed.
3856 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3858 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3860 * df-core.c: Added to header comments.
3861 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3862 df_ur_bb_info, df_urec_bb_info): Added comments.
3863 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3864 urec, ri problems): Fixed header comments.
3865 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3866 code from df_rd_transfer_function.
3868 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3870 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3871 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3872 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3874 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3876 * expr.c (undefined_operand_subword_p): New.
3877 (emit_move_multi_word): Do not generate move from undefined bits
3878 of a paradoxical subreg.
3880 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3882 PR rtl-optimization/27736
3883 * combine.c (replaced_rhs_value): New variable.
3884 (combine_instructions): Set it.
3885 (distribute_notes): When distributing a note in replaced_rhs_insn,
3886 check whether the value was used in replaced_rhs_value.
3888 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3890 PR c++/26757
3891 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3892 add_referenced_var instead of add_referenced_tmp_var.
3893 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3894 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3895 add_referenced_var.
3896 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3897 tree_optimize_tail_calls_1): Use add_referenced_var.
3898 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3899 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3900 Use add_referenced_var.
3901 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3902 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3903 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3904 Use add_referenced_var.
3905 * tree-dfa.c (struct walk_state): Remove.
3906 (find_referenced_vars): Remove walk state and vars_found hash table.
3907 (make_rename_temp): Use add_referenced_var.
3908 (find_vars_r): Pass less parameters to add_referenced_var.
3909 (referenced_var_p): New. Is var in referenced_var hash table.
3910 (referenced_var_insert): Assert var isn't already in hash table.
3911 (add_referenced_var): Don't need walk_state parameter. Add var if it
3912 isn't already in the hash table.
3913 (add_referenced_tmp_var): Remove.
3914 (find_new_referenced_vars_1): Use add_referenced_var.
3915 * tree-ssa-pre.c (create_expression_by_pieces,
3916 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3917 Use add_referenced_var.
3918 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3919 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3920 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3921 add_referenced_var.
3922 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3923 vect_create_data_ref_ptr, vect_create_destination_var,
3924 vect_init_vector, vect_build_loop_niters,
3925 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3926 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3927 Use add_referenced_var.
3928 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3929 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3930 (add_referenced_var): Add prototype.
3931 * tree-ssa-structalias.c (get_constraint_for,
3932 intra_create_variable_infos): Use add_referenced_var.
3934 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3936 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3937 big-endian paradoxical subregs.
3938 * var-tracking.c (struct micro_operation_def): Document that,
3939 for modify micro operations, insn is the subsequent instruction.
3940 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3941 (var_reg_set, var_mem_set): ... new functions.
3942 (add_stores): Record subsequent insn.
3943 (compute_bb_dataflow): Use new functions for MO_USE.
3944 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3945 notes after the insn, and modify notes before the insn known
3946 to be the subsequent one.
3947 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3949 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3951 PR target/27696
3952 * config/i386/i386.c (ix86_expand_builtin): Use
3953 gen_sse3_monitor64 for TARGET_64BIT.
3955 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3957 PR rtl-optimization/26375
3958 PR rtl-optimization/26855
3959 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3960 to gen set.
3961 (df_ru_bb_local_compute): Reversed statements and removed bogus
3962 comment explaining why they should be in wrong order.
3963 (df_ru_dump, df_rd_dump): Enhanced debug info.
3964 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3965 debug info.
3966 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3967 reaching uses and fixed space problem.
3969 2006-05-23 Jan Hubicka <jh@suse.cz>
3971 * cgraphunit.c (decide_is_function_needed): Also nested functions
3972 and functions declared inline can be optimized out at -O0.
3974 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3976 * doc/install.texi (Configuration): Remove reference to CrossGCC
3977 FAQ which was gone.
3978 (Building): Ditto.
3980 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3982 PR target/27266
3983 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3984 ix86_compare_emitted is non-NULL.
3986 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3988 PR c++/27451
3989 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3990 clobbers.
3992 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3994 PR rtl-optimization/25514
3995 * combine.c (replaced_rhs_insn): New variable.
3996 (combine_instructions): Set replaced_rhs_insn when trying to replace
3997 a SET_SRC with a REG_EQUAL note.
3998 (distribute_notes): Use replaced_rhs_insn when determining the live
3999 range of a REG_DEAD register.
4001 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4002 Anatoly Sokolov <aesok@post.ru>
4004 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4005 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4006 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4007 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4008 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4009 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4010 at90usb647, at90usb1286 and at90usb1287 devices.
4011 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4012 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4014 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4016 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4018 2006-05-22 Richard Guenther <rguenther@suse.de>
4020 Revert
4021 2006-01-31 Richard Guenther <rguenther@suse.de>
4022 Paolo Bonzini <bonzini@gnu.org>
4024 * doc/install.texi (--disable-libgcc-math): Document.
4026 2006-05-22 Richard Guenther <rguenther@suse.de>
4028 Revert
4029 2006-01-31 Richard Guenther <rguenther@suse.de>
4031 * doc/invoke.texi (-msselibm): Document.
4032 * target.h (expand_library_builtin): New target hook.
4033 * builtins.c (expand_builtin): Use expand_library_builtin.
4034 (default_expand_library_builtin): New function.
4035 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4036 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4037 (link_gcc_math_spec): Declare.
4038 (static_specs): Add link_gcc_math_spec.
4039 * expr.h (default_expand_library_builtin): Declare.
4040 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4041 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4042 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4043 * config/i386/i386.opt (msselibm): New target option.
4044 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4045 (ix86_init_sse_abi_builtins): New function.
4046 (ix86_expand_library_builtin): Likewise.
4047 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4048 (override_options): Handle error conditions wrt -msselibm.
4049 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4050 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4051 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4052 builtins.
4054 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4056 PR c/27420
4057 * c-common.c (self_promoting_args_p): Skip erroneous args.
4059 PR c/26818
4060 * c-decl.c (finish_struct): Skip erroneous fields.
4062 2006-05-22 Nick Clifton <nickc@redhat.com>
4064 * config/cris/cris.opt (march): Remove VarExists attribute.
4065 (max-stackframe=): Likewise.
4067 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4069 * doc/rtl.texi: Fix a typo.
4070 * see.c: Fix comment typos.
4072 * tree-ssa-structalias.h (alias_info): Remove num_references.
4074 2006-05-21 Mike Stump <mrs@apple.com>
4076 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4077 (BAD2): Add.
4078 (darwin_pragma_options): Use BAD instead.
4079 (darwin_pragma_unused): Likewise.
4080 (darwin_pragma_ms_struct): Likewise.
4082 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4084 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4086 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4088 PR rtl-optimization/27671
4089 * simplify-rtx.c (simplify_relational_operation_1): Fix
4090 simplifications of (eq/ne (xor x y) y) and
4091 (eq/ne (xor x y) x).
4093 PR tree-optimization/26622.
4094 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4095 on arg1.
4097 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4099 * tree-cfg.c: Prune whitespace.
4100 (debug_tree_cfg): Point to correct header containing the
4101 TDF_* defines.
4103 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4105 PR middle-end/25776
4106 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4108 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4110 PR middle-end/25776
4111 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4112 or sorry count is non zero.
4114 2006-05-20 Andreas Schwab <schwab@suse.de>
4116 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4118 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4119 Kenneth Zadeck <zadeck@naturalbridge.com>
4121 PR rtl-optimization/26855
4123 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4124 multiword refs.
4125 (df_scan_alloc): Added code to properly handle multiword hard
4126 registers and add all_blocks parameter.
4127 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4128 code to properly handle multiword hard registers.
4129 (df_rescan_blocks): Added code to remove deleted blocks from
4130 bitmap.
4131 (df_ref_create_structure, df_ref_record): Added code to properly
4132 handle subregs.
4133 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4134 and set DF_REF_PARTIAL.
4135 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4136 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4137 (df_scan_add_problem): Added flags parameter.
4138 (df_ref_create_structure): Changed switching structure.
4139 (df_bb_refs_record): Fixed case where duplicate artificial refs
4140 were created. Changed location of flags.
4141 (df_record_entry_block_defs): Added code to make stack pointer
4142 live in entry block. Refined cases where frame pointer is needed.
4143 Changed location of flags.
4144 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4145 (df_set_state): Removed function.
4146 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4147 df_insn_create_insn_record, df_insn_refs_delete,
4148 df_ref_create_structure): Formatting changes.
4149 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4150 df_delete_basic_block): New function.
4151 (df_init): Changed location of flags.
4152 (df_add_problem): Added flags parameter and the way flags are
4153 processed.
4154 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4155 debug_df_chain): Improved debugging output.
4156 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4157 (df_refs_chain_dump): Removed df parameter.
4158 (df_iterative_dataflow): Added consistency check.
4159 (df_prune_to_subcfg): Made public.
4160 (df_analyze_problem): Added blocks_to_init parameter and made
4161 public.
4162 (df_ref_record, df_bb_refs_record, df_mark_reg,
4163 df_record_exit_block_uses): Whitespace changes.
4164 (df_dump): Whitespace changes.
4165 * df.h: Some reordering to remove forward references.
4166 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4167 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4168 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4169 (dataflow.flags): New field.
4170 (df.flag): Deleted field.
4171 (df_alloc_function): Added additional bitmap parameter.
4172 (df_dependent_problem_function): New type.
4173 (df_problem.changeable_flags): New field.
4174 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4175 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4176 (df_mw_hardreg): New struct.
4177 (DF_INSN_UID_MWS): New macro.
4178 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4179 parameter.
4180 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4181 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4182 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4183 (df_set_state): Removed function.
4184 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4185 * df-problems.c (df_chain_dump): Removed df parameter.
4186 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4187 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4188 parameter.
4189 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4190 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4191 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4192 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4193 DF_REF_MUST_CLOBBER cases.
4194 (df_ru_bb_local_compute_process_def,
4195 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4196 df_lr_bb_local_compute, df_ur_bb_local_compute,
4197 df_chain_create_bb): Made subreg aware.
4198 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4199 df_lr_bb_local_compute, df_lr_bb_local_compute,
4200 df_chain_create_bb): Cleanup to use proper macros.
4201 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4202 code to fixup bitvectors.
4203 (df_ri_alloc): Cleared lifetime.
4204 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4205 df_create_unused_note): New function.
4206 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4207 REG_DEAD and REG_UNUSED notes as well as register information.
4208 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4209 df_chains_dump): Fixed crash if problem was never run.
4210 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4211 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4212 df_ri_add_problem): Processes flags in uniform manner.
4213 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4214 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4215 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4216 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4217 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4218 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4219 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4220 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4221 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4222 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4223 * see.c (see_initialize_data): Ditto.
4224 * final.c (rest_of_clean_state) Added regstack_completed.
4225 * rtl.h (regstack_completed): Ditto.
4226 * reg-stack.c (regstack_completed): Ditto.
4228 2006-05-19 Mike Stump <mrs@apple.com>
4230 * c-tree.h (default_conversion): Remove.
4231 * c-common.h (default_conversion): Add.
4233 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4235 * tree-vrp.c (valid_value_p): New function.
4236 (adjust_range_with_scev): Fail if the value of bound is not
4237 simple.
4239 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4241 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4242 (mips_fallback_frame_state): Use syscall numbers to determine
4243 the appropriate li instruction for the current ABI. Only use
4244 __NR_sigreturn for o32.
4246 2006-05-19 Nicolas Setton <setton@adacore.com>
4248 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4249 * langhooks.c (lhd_dwarf_name): New function.
4250 * langhooks-def.h (lhd_dwarf_name): Declare.
4251 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4252 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4253 * ada/misc.c (gnat_dwarf_name): New function.
4254 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4256 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4258 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4259 libgcc2.h.
4260 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4261 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4262 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4263 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4264 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4265 determine the size of Wtype, etc.
4266 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4267 (swfloatfuncs): New variable.
4268 (dwfloatfuncs): Likewise.
4269 (lib2funcs): Remove floating-point conversion functions from
4270 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4271 the set of conversion routines needed. Allow entries to specify
4272 an object name, filename and word size. Update users accordingly.
4273 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4274 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4276 Revert:
4278 2006-02-08 Roger Sayle <roger@eyesopen.com>
4280 PR target/22209
4281 * config/fixtfdi.c: New libgcc source file.
4282 * config/fixunstfdi.c: New source file.
4283 * config/floatditf.c: New source file.
4284 * config/floatunditf.c: New souce file.
4285 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4286 files above instead of config/mips/_tilib.c.
4287 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4289 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4291 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4292 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4294 2006-05-18 Mike Stump <mrs@apple.com>
4296 Fix up vla, vm and [*] sematics.
4298 PR c/18740
4299 PR c/7948
4300 PR c/25802
4301 PR c/27673
4302 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4303 (c_vla_unspec_p): Add.
4304 (c_vla_type_p): Add.
4305 * c-decl.c (struct c_scope): Add had_vla_unspec.
4306 (build_array_declarator): Add support for [*].
4307 (grokdeclarator): Likewise.
4308 (grokparms): Likewise.
4309 (get_parm_info): Likewise.
4310 * c-objc-common.c (c_vla_unspec_p): Likewise.
4311 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4312 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4313 typeof when argument is a variably modified type not inside sizeof or alignof.
4314 (c_parser_direct_declarator_inner): Propagate errors.
4315 (c_parser_sizeof_expression): Add support for [*].
4316 (c_parser_parms_declarator): Initialize had_vla_unspec.
4317 (c_parser_parms_list_declarator): Likewise.
4318 * c-typeck.c (c_vla_type_p): Add.
4319 (composite_type): Add support for vla compositing.
4320 (comptypes_internal): Add support for vla compatibility.
4321 (c_expr_sizeof_expr): Evaluate vla arguments.
4322 * tree.c (variably_modified_type_p): Update comment for [*].
4324 2006-05-18 Michael Matz <matz@suse.de>
4326 PR target/27599
4327 * config.host: Make assignments to host_xmake_file cumulative.
4328 * config.host (*-darwin*): Test $host, not $target.
4330 2006-05-12 Stuart Hastings <stuart@apple.com>
4332 * config/i386/i386.opt (-mstackrealign): New flag.
4333 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4334 (ix86_handle_cconv_attribute): Emit error when
4335 force_align_arg_pointer attribute collides with too many regparms.
4336 (ix86_function_regparm): Limit regparms when used with
4337 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4338 Support stack-realigning prologue in non-main functions. Emit
4339 warning for nested functions under -mstackrealign, emit error for
4340 nested functions with force_align_arg_pointer attribute.
4341 * doc/extend.texi (force_align_arg_pointer): Document it.
4342 * doc/invoke.texi (-mstackrealign): Document it.
4344 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4346 PR rtl-optimization/27477
4347 * combine.c (try_combine): Don't split a parallel consisting
4348 of two sets into two individual sets if both sets reference
4349 cc0.
4351 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4353 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4354 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4356 * doc/options.texi (VarExists): Updated.
4358 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4360 * unwind-dw2.c: Add declarations for uw_update_context and
4361 uw_frame_state_for.
4362 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4363 detected, advance frame state and context once to skip over stub.
4365 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4367 PR middle-end/20256
4368 PR middle-end/26435
4369 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4370 Call rewrite_into_loop_closed_ssa only when something changed.
4371 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4372 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4373 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4374 Test for perfect_nest_p here. Fix formating.
4375 (replace_uses_equiv_to_x_with_y): Fix formating.
4376 (stmt_uses_op): Removed.
4377 (can_convert_to_perfect_nest): Removed loopivs parameter.
4378 Complete the test by checking the scalar dependences.
4379 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4380 Fix formating.
4382 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4384 PR bootstrap/22541
4385 From Dan Kegel <dank@kegel.com>:
4386 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4388 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4390 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4391 if the element type is variably modified without recursing.
4393 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4395 PR middle-end/27332
4396 * tree-loop-linear.c (try_interchange_loops): Test for
4397 no data dependences.
4399 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4401 PR tree-optimization/27548
4402 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4403 range of ssa names that appear on abnormal edges.
4404 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4405 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4407 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4409 PR middle-end/27620
4410 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4412 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4414 PR middle-end/27415
4415 * tree.h (OMP_PARALLEL_COMBINED): Define.
4416 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4417 (new_omp_context): Add is_combined_parallel argument.
4418 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4419 new_omp_context caller.
4420 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4421 Adjust gimplify_scan_omp_clauses callers.
4422 (omp_is_private): Issue errors if iteration variable is firstprivate
4423 or reduction in the current context.
4424 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4425 on combined parallel workshare constructs.
4427 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4429 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4430 (gcc-options.o): New rule.
4432 * optc-gen.awk: Protect variables for gcc-options.o with
4433 #ifdef GCC_DRIVER/#endif.
4435 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4437 Fix PR tree-optimization/27373
4438 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4439 (forward_propagate_addr_expr): Update call.
4441 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4443 * doc/options.texi: Move the Negative option.
4445 2006-05-16 Richard Guenther <rguenther@suse.de>
4447 PR tree-optimization/22303
4448 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4449 from STRING_CSTs.
4450 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4451 ccp_fold did not simplify the statement.
4453 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4455 PR driver/26885
4456 * Makefile.in (GCC_OBJS): New.
4457 (OBJS-common): Add opts-common.o.
4458 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4459 (cpp$(exeext)): Likewise.
4460 (gcc.o): Also depend on opts.h.
4461 (opts-common.o): New.
4463 * common.opt (gcoff): Add Negative(gdwarf-2).
4464 (gdwarf-2): Add Negative(gstabs).
4465 (gstabs): Add Negative(gstabs+).
4466 (gstabs+): Add Negative(gvms).
4467 (gvms): Add Negative(gxcoff).
4468 (gxcoff): Add Negative(gxcoff+).
4469 (gxcoff+): Add Negative(gcoff).
4470 * config/i386/i386.opt (m32): Add Negative(m64).
4471 (m64): Add Negative(m32).
4473 * doc/options.texi: Document the Negative option.
4475 * gcc.c: Include "opts.h".
4476 (main): Call prune_options after expandargv.
4478 * optc-gen.awk: Generate common declarations for all flag
4479 variables in options.c. Output the neg_index field.
4481 * opts.c (find_opt): Moved to ...
4482 * opts-common.c: Here. New file.
4484 * opts.h (cl_option): Add a neg_index field.
4485 (find_opt): New.
4486 (prune_options): Likewise.
4488 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4490 PR middle-end/27573
4491 * omp-low.c (expand_omp_parallel): Don't assert
4492 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4493 instead search for it.
4495 PR c/27499
4496 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4497 is signed.
4499 2006-05-16 Andreas Schwab <schwab@suse.de>
4501 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4502 defmac.
4504 2006-05-15 Roger Sayle <roger@eyesopen.com>
4506 PR target/26600
4507 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4508 integer constants other than zero are only legitimate on TARGET_64BIT.
4509 <CONST_VECTOR> Only zero vectors are legitimate.
4510 (ix86_cannot_force_const_mem): Integral and vector constants can
4511 always be put in the constant pool.
4513 2006-05-16 DJ Delorie <dj@redhat.com>
4515 * crtstuff.c (__dso_handle): Set section from
4516 TARGET_LBIGCC_SDATA_SECTION if defined.
4517 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4518 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4520 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4522 PR target/27599
4523 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4524 host_xmake_file.
4526 2006-05-16 Ben Elliston <bje@au.ibm.com>
4528 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4530 2006-05-15 Per Bothner <per@bothner.com>
4532 * tree.c: (last_annotated_node): Use source_locus typedef.
4533 This permits bootstrapping with --enable-mapped-location.
4535 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4537 PR tree-optimization/26830
4538 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4539 (info_for_ssa_name, current_info_for_ssa_name_age,
4540 blocks_to_update): New variables.
4541 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4542 (clear_ssa_name_info, initialize_flags_in_bb,
4543 mark_block_for_update): New functions.
4544 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4545 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4546 prepare_def_site_for): Use mark_block_for_update.
4547 (mark_def_interesting): Assert that the processed block is marked in
4548 blocks_to_update. Do not take blocks argument.
4549 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4550 argument.
4551 (rewrite_update_init_block, rewrite_update_stmt): Only process
4552 blocks with statements to rewrite.
4553 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4554 (update_ssa): Initialize and free blocks_to_update. Do not
4555 clear flags on statements. Do not use blocks bitmap.
4556 * tree.h (SSA_NAME_AUX): Removed.
4557 (struct tree_ssa_name): Removed aux field.
4558 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4560 2006-05-15 Richard Guenther <rguenther@suse.de>
4562 PR tree-optimization/27603
4563 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4564 Do computations in original type.
4566 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4568 * see.c: Code style changes such as redundant paranthesis,
4569 redundant intialization of local variables etc.
4570 (see_main): Declared now as static.
4571 * doc/invoke.texi: Update that -fsee is not enabled by
4572 default at -O3.
4574 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4576 * omp-low.c (check_omp_nesting_restrictions): New function.
4577 (scan_omp_1): Call it.
4579 PR middle-end/27416
4580 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4581 construct, return *VAR.
4583 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4585 PR rtl-optimization/27406
4586 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4587 edges.
4589 2006-05-14 Roger Sayle <roger@eyesopen.com>
4591 PR rtl-optimization/27538
4592 * combine.c (expand_compound_operation): Call gen_lowpart
4593 before calling simplify_shift_const.
4595 2006-05-14 Roger Sayle <roger@eyesopen.com>
4597 PR rtl-optimization/22563
4598 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4599 a fixed width bitfield, always force the intermediates into psuedos.
4601 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4603 PR 27501
4604 * mkconfig.sh: Use operator = instead of == for test.
4606 2006-05-13 Nick Clifton <nickc@redhat.com>
4608 * dwarf2out.c (dbx_reg_number): Check return value from
4609 LEAF_REG_REMAP and only use it if it is valid.
4610 (multiple_reg_loc_descriptor): Likewise.
4612 2006-05-13 Richard Guenther <rguenther@suse.de>
4614 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4615 host_xmake_file.
4617 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4619 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4620 information attached to non-INSNs such as NOTEs.
4621 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4623 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4625 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4626 On contraint.
4627 * config/s390/s390.md: Adjust comment describing On constraint.
4629 2006-05-11 Jan Hubicka <jh@suse.cz>
4631 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4632 to be output at -O0.
4634 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4636 PR middle-end/27384
4637 * fold-const.c (size_binop): Move sanity check for arguments to
4638 the beginning of the function.
4640 PR middle-end/27488
4641 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4642 expression.
4644 2006-05-11 Richard Guenther <rguenther@suse.de>
4646 PR middle-end/27529
4647 * fold-const.c (fold_unary): Handle intermediate conversion
4648 to a pointer type like intermediate conversion to an integer
4649 type in folding of (T1)(T2)var to var.
4650 Match the code to the comment in the final conversion for
4651 (T1)(T2)var to (T1)var regarding to type precision. Rather
4652 than disallow T1 being of pointer type, assert that both T1
4653 and var are of pointer type or not. Make sure not to fall
4654 over the frontends lazyness wrt array to pointer decay though.
4656 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4658 * arm.c (arm_struct_value_rtx): Delete.
4659 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4660 (arm_init_cumulative_args): Always initialize nregs to zero.
4662 2006-05-10 Richard Guenther <rguenther@suse.de>
4664 PR tree-optimization/27532
4665 * tree-object-size.c (plus_expr_object_size): Fix typo.
4667 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4669 PR target/24949
4670 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4671 ashrdi_const, ashrdi3): Use a scratch register.
4673 2006-05-10 Richard Guenther <rguenther@suse.de>
4675 PR tree-optimization/27302
4676 * fold-const.c (operand_equal_p): For two comparisons,
4677 try comparison of one comparison code swapped if that yields
4678 the same code.
4680 2006-05-10 Ben Elliston <bje@au.ibm.com>
4682 * tree-pretty-print.c (pretty_print_string): No need to handle
4683 '\0' as a special character.
4685 * tree.h: Include "hashtab.h".
4686 (iterative_hash_expr): Use hashval_t in its prototype.
4687 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4689 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4691 PR bootstrap/26872
4692 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4693 (hppa*64*-*-hpux11*): Ditto.
4694 (hppa[12]*-*-hpux11*): Ditto.
4696 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4698 PR target/26545
4699 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4701 2006-05-09 Michael Matz <matz@suse.de>
4703 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4704 host_extra_gcc_objs and host_xmake_file.
4705 (<*-*-linux*>): Don't overwrite host_xmake_file.
4706 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4707 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4708 (host_detect_local_cpu): Declare.
4709 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4710 * config/i386/i386.c (override_options): Handle -mtune=native
4711 as -mtune=generic.
4712 * config/i386/x-i386: New file.
4713 * config/i386/driver-i386.c: New file.
4714 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4715 cpu-type "native".
4717 2006-05-09 Dirk Mueller <dmueller@suse.de>
4718 Richard Guenther <rguenther@suse.de>
4720 PR middle-end/27498
4721 * fold-const.c (fold_read_from_constant_string): Relax check
4722 for matching types to matching modes.
4724 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4726 PR rtl-optimization/27335
4727 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4728 loops.
4730 2006-05-08 Chao-ying Fu <fu@mips.com>
4731 Richard Sandiford <richard@codesourcery.com>
4733 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4734 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4735 * config/mips/mips.md (UNSPEC_SCC): New constant.
4736 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4737 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4738 (mips_emit_compare): Use it.
4739 (mips_expand_vcondv2sf): New function.
4741 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4743 Fix PR tree-optimization/27093
4744 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4745 renaming when they become not-used_alone.
4747 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4749 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4750 relocation and relocation stubs.
4752 2006-05-08 Eric Christopher <echristo@apple.com>
4754 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4755 section for ppc.
4757 2006-05-08 Jan Hubicka <jh@suse.cz>
4759 PR middle-end/24561
4760 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4761 unused static functions are needed.
4763 2006-05-08 Roger Sayle <roger@eyesopen.com>
4765 PR target/27158
4766 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4767 of a reg_equiv_constant if the result is a legitimate constant.
4769 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4771 PR target/27277
4772 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4773 standard 80387 constants, raise the cost to prevent
4774 compress_float_constant() to generate load from memory.
4776 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4778 * config/arm/constraints.md (c): Fix a typo.
4780 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4781 typos.
4783 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4785 PR target/24879
4786 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4787 inline function.
4788 (_mm_mwait): Likewise.
4790 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4791 "mwait".
4792 (sse3_monitor): Make it 32bit only.
4793 (sse3_monitor64): New. 64bit monitor.
4795 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4797 PR target/27421
4798 * config/i386/i386.c (classify_argument): Skip fields with invalid
4799 types.
4801 2006-05-07 Richard Guenther <rguenther@suse.de>
4803 PR tree-optimization/27409
4804 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4805 Do not try to find zero-sized subvars.
4807 2006-05-07 Richard Guenther <rguenther@suse.de>
4809 PR tree-optimization/27136
4810 * tree-ssa-loop-niter.c (get_val_for): Correct function
4811 comment, assert requirements.
4812 (loop_niter_by_eval): Stop processing if the iterated
4813 value did not simplify.
4815 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4817 * opts.c (flag_see): remove its setting at -O3.
4819 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4821 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4822 * arm/constraints.md: New file.
4823 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4824 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4825 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4826 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4827 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4828 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4829 * arm.md: Include constraints.md.
4830 (thumb_movsi_insn): Use satisfies_constraint_J.
4831 (movhi, movqi): Use satisfies_constraint_I.
4833 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4835 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4836 for atmeg a645 device.
4838 2006-05-06 Richard Guenther <rguenther@suse.de>
4840 PR tree-optimization/27151
4841 * tree-vect-transform.c (vectorizable_condition): Punt on
4842 values that have a different type than the condition.
4844 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4846 PR/21391
4847 * c-parser.c (c_parser_cast_expression): Only insert casts into
4848 hash table if pointer.
4849 * function.c (used_types_insert_helper): Rename from
4850 used_types_insert.
4851 (used_types_insert): Call used_types_insert_helper.
4852 * function.h (used_types_insert): Accept only one argument.
4854 2006-05-05 David Edelsohn <edesohn@gnu.org>
4856 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4857 scratch with output modifier.
4859 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4861 PR target/26481
4862 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4863 with output modifier.
4865 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4867 PR target/26765
4868 * config/mips/mips.c (mips_symbolic_address_p): Return true
4869 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4870 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4872 2006-05-04 Richard Guenther <rguenther@suse.de>
4874 PR tree-optimization/14287
4875 PR tree-optimization/14844
4876 PR tree-optimization/19792
4877 PR tree-optimization/21608
4878 PR tree-optimization/27090
4879 * tree-ssa-pre.c (try_combine_conversion): New function.
4880 (compute_avail): After constructing the value-handle
4881 expression, use try_combine_conversion to combine NOP_EXPRs
4882 with previous value-handle expressions and use the result if it
4883 is available.
4885 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4887 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4889 2006-05-04 Jan Hubicka <jh@suse.cz>
4891 PR middle-end/25962
4892 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4894 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4896 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4897 that this only matches CONST_INTs. All users changed to VOIDmode
4898 operands.
4900 * config/bfin/bfin.c: Include "optabs.h".
4901 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4902 to do more work.
4903 (enum bfin_builtins): Add a number of fractional and vector builtins.
4904 (bfin_init_builtins): Likewise.
4905 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4906 (safe_vector_operand, bfin_expand_binop_builtin,
4907 bfin_expand_unop_builtin): New functions.
4908 (bfin_expand_builtin): Handle the new builtins.
4909 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4910 __ADSPBLACKFIN__.
4912 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4914 * see.c: New file.
4915 * Makefile.in (OBJS-common): Add see.o.
4916 (see.o): Add dependencies.
4917 * common.opt (fsee): New flag for the see optimization was added.
4918 * opts.c (flag_see): Initialized.
4919 * passes.c (init_optimization_passes, pass_see): New pass.
4920 * rtl.h (see_main): Declaration as extern.
4921 * timevar.def (TV_SEE): New.
4922 * tree-pass.h (pass_see): Declaration as extern.
4923 * invoke.texi (-fsee): Document.
4924 * recog.c (validate_simplify_insn): New function.
4925 * recog.h (validate_simplify_insn): Declaration as extern.
4926 * df-problems.c (df_chain_dump): Check for NULL.
4928 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4929 Daniel Berlin <dberlin@dberlin.org>
4931 * cfgrtl.c (insert_insn_bb_end_new): New function.
4932 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4934 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4936 * df.h (struct web_entry): Moved from web.c.
4937 (union_defs): Declaration as extern.
4938 (unionfind_root): Likewise.
4939 (unionfind_union): Likewise.
4940 * web.c (struct web_entry): Moved to df.h.
4941 (unionfind_root): Remove static declaration.
4942 (unionfind_union): Likewise.
4943 (union_defs): Likewise and generalize to use callback function.
4944 (web_main): Update arguments for union_defs function call.
4946 2006-05-04 Richard Guenther <rguenther@suse.de>
4948 PR tree-optimization/26447
4949 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4950 produce SSA_NAME copies before the store stmt to avoid
4951 breaking exception handling.
4953 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4955 PR middle-end/27388
4956 * gimplify.c (omp_is_private): If var is shared in some outer context,
4957 return false instead of true. Stop searching on parallel context
4958 boundary.
4960 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4962 PR java/8260
4963 * coverage.c: Use get_gcov_unsigned_t() instead of
4964 unsigned_type_node all over.
4966 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4968 PR tree-optimization/27381
4969 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4970 maintain the same immediate_use links.
4971 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4972 node rather than segfaulting.
4974 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4976 PR fortran/27395
4977 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4978 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4979 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4981 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4983 Fix PR tree-optimization/26626
4984 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4985 always.
4986 * tree-ssa-operands.c (access_can_touch_variable): Allow
4987 typecasting through union pointers.
4989 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4991 PR c++/26943
4992 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4993 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4994 to find if var will be a global variable even in the nested context.
4995 (omp_copy_decl): Only check for global variable at the end, it might
4996 be overridden in outer contexts.
4997 (scan_sharing_clauses): For global variables don't create a field.
4998 (lower_rec_input_clauses): Do nothing for global shared variables.
4999 Emit a barrier at the end of ILIST if there were any decls in both
5000 firstprivate and lastprivate clauses.
5001 (lower_send_clauses): Do nothing for global variables except for
5002 COPYIN.
5004 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5006 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5007 of the correct signedness is returned.
5009 2006-05-02 Jeff Law <law@redhat.com>
5011 PR tree-optimization/27364
5012 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5013 multiply expressions.
5015 2006-05-02 Tom Tromey <tromey@redhat.com>
5017 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5019 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5021 PR target/27387
5022 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5023 -mthumb -fPIC are used.
5025 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5026 Joshua Kinard <kumba@gentoo.org>
5028 PR target/25871
5029 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5030 with 64-bit pointers.
5032 2006-05-02 Paul Brook <paul@codesourcery.com>
5034 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5035 and pool overlap.
5036 (create_fix_barrier): Check that a suitable barrier location is
5037 found.
5038 (arm_reorg): Include ftmp->address in allowable range of addresses.
5040 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5042 PR ada/27366
5043 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5044 on Cygwin.
5046 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5048 PR middle-end/27337
5049 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5050 around RESULT_DECL for result passed by reference.
5051 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5052 * omp-low.c (use_pointer_for_field): Don't look at
5053 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5054 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5055 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5056 time or var for passing by reference for
5057 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5058 TREE_ADDRESSABLE variables when passing by reference.
5060 * omp-low.c (dump_omp_region): Fix output formatting.
5062 PR middle-end/27328
5063 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5064 (expand_omp_parallel): Likewise.
5065 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5067 PR middle-end/27325
5068 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5069 on statement list containing also constructors and destructors.
5070 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5072 PR middle-end/27310
5073 * except.c (duplicate_eh_regions): Fix clearing of
5074 cfun->eh->region_array entries.
5076 2006-05-01 DJ Delorie <dj@redhat.com>
5078 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5079 build!=host.
5080 (gcc_cv_objdump): Likewise.
5081 * configure: Regenerated.
5083 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5085 PR target/27374
5086 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5087 templates for case 3 and 4.
5089 2006-05-01 DJ Delorie <dj@redhat.com>
5091 * vec.c: Include bconfig.h when appropriate.
5092 * Makefile.in (build/vec.o): Adjust dependencies.
5093 * mkconfig.sh: Make sure config.h isn't used for build machine
5094 compiles.
5096 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5098 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5099 variables.
5100 (mark_phi_for_rewrite): New function.
5101 (insert_phi_nodes_for, mark_use_interesting): Call
5102 mark_phi_for_rewrite.
5103 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5104 (update_ssa): Initialize and free phis_to_rewrite.
5106 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5108 PR rtl-optimization/27291
5109 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5110 folded to a constant.
5112 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5114 PR tree-optimization/27283
5115 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5116 not whole # of iteration descriptions.
5117 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5118 uses abnormal ssa name.
5119 (niter_for_single_dom_exit): Ditto.
5120 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5121 return just the number of iterations.
5123 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5125 PR tree-optimization/27144
5126 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5127 (record_estimate): Only record constant upper bound.
5128 (infer_loop_bounds_from_undefined): Call
5129 compute_estimated_nb_iterations just once.
5130 (proved_non_wrapping_p): Renamed to ...
5131 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5132 (convert_step_widening, scev_probably_wraps_p): Call
5133 n_of_executions_at_most instead of proved_non_wrapping_p.
5134 (substitute_in_loop_info): Do not replace values in bounds.
5135 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5136 comments.
5138 2006-05-01 Richard Henderson <rth@redhat.com>
5140 PR c/27358
5141 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5142 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5143 CPP_PRAGMA.
5145 2006-05-01 Roger Sayle <roger@eyesopen.com>
5147 * c-typeck.c (parser_build_binary_op): Don't call the function
5148 unsigned_conversion_warning to spot operand/result type overflow.
5149 (build_binary_op): Instead, call convert_and_check instead of
5150 convert to report the problem when the operands are promoted.
5151 * c-common.c (unsigned_conversion_warning): Make static.
5152 * c-common.h (unsigned_conversion_warning): Delete prototype.
5154 2006-05-01 Richard Guenther <rguenther@suse.de>
5156 PR tree-optimization/26726
5157 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5158 problem ...
5159 (find_interesting_uses_address): ... we work around here
5160 by folding INDIRECT_REFs in the substituted base.
5162 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5164 * omp-low.c (dump_omp_region): Add newlines.
5166 2006-04-30 Roger Sayle <roger@eyesopen.com>
5168 * common.opt (Woverflow): New command line option.
5169 * c-common.c (constant_expression_warning): Check warn_overflow.
5170 (overflow_waring): Pass OPT_Woverflow to warning.
5171 (unsigned_conversion_warning): Likewise.
5172 (convert_and_check): Likewise.
5173 * doc/invoke.texi: Document new command line option.
5175 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5177 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5178 TARGET_NO_FP_IN_TOC for section anchors.
5179 (optimization_options): Enable section anchors for all
5180 non-"Objective" languages.
5182 2006-04-28 Eric Christopher <echristo@apple.com>
5184 * config/darwin-c.c (darwin_ms_struct): Move this
5185 (darwin_set_default_type_attributes): and this...
5186 * config/darwin.c: ... here.
5187 * config/darwin.h (darwin_ms_struct): Declare.
5189 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5191 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5193 2006-04-28 Roger Sayle <roger@eyesopen.com>
5195 PR c/25309
5196 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5197 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5198 an unsigned HOST_WIDE_INT.
5199 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5200 array index.
5201 (really_start_incremental_init): No need to call convert because
5202 bitsize_zero_node is already of type bitsizetype.
5203 (push_init_level): Extract the value of constructor_index as an
5204 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5205 (process_init_element): Likewise.
5207 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5209 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5210 value before passing to make_relative_prefix.
5212 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5214 PR middle-end/27260
5215 * builtins.c (expand_builtin_memset): Expand val in original mode.
5217 2006-04-27 Eric Christopher <echristo@apple.com>
5219 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5220 with #ifndef/#endif.
5221 * config/darwin-c.c (darwin_ms_struct): New.
5222 (darwin_pragma_ms_struct): Ditto.
5223 (darwin_set_default_type_attributes): Ditto.
5224 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5225 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5226 Register ms_struct pragma.
5227 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5228 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5229 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5230 darwin_set_default_type_attributes if TARGET_MACHO.
5232 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5234 PR tree-optimization/26854
5235 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5236 * doc/tree-ssa.texi: Update immuse iterator documentation.
5237 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5238 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5239 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5240 first_safe_imm_use, next_safe_imm_use): Remove.
5241 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5242 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5243 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5244 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5245 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5246 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5247 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5248 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5249 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5250 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5251 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5252 (perfect_nestify): Use new iterator.
5253 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5254 iterator.
5255 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5256 (next_imm_name): New field in struct immediate_use_iterator_d.
5257 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5258 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5259 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5260 * tree-cfg.c (replace_uses_by): Use new iterator.
5261 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5262 * tree-ssa-operands.c (correct_use_link): Remove.
5263 (finalize_ssa_use_ops): No longer call correct_use_link.
5265 2006-04-27 Stuart Hastings <stuart@apple.com>
5267 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5268 * config/t-darwin (crt3.o): Use it.
5269 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5270 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5271 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5272 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5273 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5274 support.
5276 2006-04-27 Roger Sayle <roger@eyesopen.com>
5278 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5279 size, force the intermediate into a new pseudo rather instead of
5280 performing both a bitwise AND and a bitwise IOR in memory.
5282 2006-04-27 Richard Guenther <rguenther@suse.de>
5284 PR rtl-optimization/26685
5285 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5286 this one "max-flow-memory-locations".
5288 2006-04-27 Richard Guenther <rguenther@suse.de>
5290 PR tree-optimization/25148
5291 * tree-vrp.c (compare_values): Remove code dealing with
5292 comparisons against type min/max value. Honour overflow
5293 and negative constants in code dealing with comparisons
5294 of plus and minus expressions.
5295 (value_inside_range): Use fold_binary with LE_EXPR and
5296 GE_EXPR rather than compare_values.
5298 2006-04-27 Dirk Mueller <dmueller@suse.de>
5300 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5301 prototype for SSE.
5303 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5305 * basic-block.h (safe_insert_insn_on_edge): Removed.
5306 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5308 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5309 Paolo Bonzini <bonzini@gnu.org>
5311 PR middle-end/27282
5312 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5313 (simplify_and_const_int): Same.
5315 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5317 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5319 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5321 PR c/26171
5322 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5323 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5324 cgraph_global_info_ready.
5326 PR middle-end/26913
5327 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5329 PR c/25996
5330 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5331 either decl or init is error_mark_node.
5333 PR middle-end/25989
5334 * tree-flow.h (struct omp_region): Add sched_kind.
5335 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5336 instead of extracting omp for data.
5337 (expand_omp_for): Save extracted sched_kind.
5339 2006-04-25 Roger Sayle <roger@eyesopen.com>
5341 * expmed.c (store_bit_field): Also check whether the bitsize is
5342 valid for the machine's "insv" instruction before moving the
5343 target into a pseudo for use with the insv.
5344 * config/i386/predicates.md (const8_operand): New predicate.
5345 * config/i386/i386.md (extv, extzv, insv): Use the new
5346 const8_operand predicate where appropriate.
5348 2006-04-25 DJ Delorie <dj@redhat.com>
5350 * doc/install.texi (Specific): Clarify that this is not a list of
5351 supported hosts or targets.
5353 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5355 PR rtl-optimization/26725
5356 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5357 block's BB_DIRTY flag.
5359 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5361 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5362 are no branches.
5364 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5365 to print an integer.
5367 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5369 * varasm.c (align_variable): New function.
5370 (get_block_for_decl): Apply align_variable to DECL before
5371 calculating section information.
5372 (assemble_variable): Split out alignment computation.
5374 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5376 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5377 machines.
5379 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5381 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5382 MODE_PARTIAL_INT mode.
5383 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5384 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5385 for CONST_INTs.
5386 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5387 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5388 V2PDImode.
5389 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5390 New predicates.
5391 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5392 New constants.
5393 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5394 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5395 MACFLAG_IH): Likewise.
5396 (movstricthi_1): Renamed from "*movstricthi".
5397 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5398 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5399 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5400 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5401 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5402 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5403 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5404 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5405 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5406 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5407 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5408 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5409 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5410 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5411 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5413 * doc/rtl.texi (ss_ashift): Improve wording.
5415 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5417 * dwarf2out.c (verify_marks_clear): New.
5418 (prune_unused_types): Call verify_marks_clear initially, not
5419 prune_unmark_dies.
5421 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5423 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5424 * doc/rtl.texi: Document them.
5425 * simplify-rtx.c (simplify_unary_operation,
5426 simplify_binary_operation_1): Don't abort when we see them.
5428 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5430 Revert:
5431 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5432 * configure.ac: Completely disregard languages that are not
5433 enabled.
5434 * configure: Regenerated.
5436 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5437 Richard Guenther <rguenther@suse.de>
5439 PR tree-optimization/27236
5440 * tree-inline.c (copy_body_r): Make sure to copy
5441 TREE_THIS_VOLATILE flag.
5443 2006-04-24 Richard Guenther <rguenther@suse.de>
5445 PR middle-end/26869
5446 * tree-complex.c (update_parameter_components): Don't handle
5447 unused parameters which have no default def.
5449 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5450 Richard Guenther <rguenther@suse.de>
5452 PR tree-optimization/27218
5453 * tree-inline.c (expand_call_inline): Strip useless type
5454 conversions for the return slot address.
5456 2006-04-24 Richard Guenther <rguenther@suse.de>
5458 * cfgloop.h (struct loops): Remove unused field array. Reorder
5459 state after num.
5460 (LOOP_PREFETCH): Remove.
5462 2006-04-24 Richard Guenther <rguenther@suse.de>
5464 PR tree-optimization/22525
5465 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5466 variable, adjust types of generated expressions.
5468 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5470 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5471 (tree-vect-patterns.o): Likewise.
5472 (jump.o): Likewise.
5473 (cselib.o): Likewise.
5474 (loop-doloop.o): Likewise.
5475 (regclass.o): Likewise.
5476 (reload1.o): Likewise.
5477 (explow.o): Replace target.h with $(TARGET_H).
5478 (ipa-prop.o): Likewise.
5479 (ipa-cp.o): Likewise.
5480 (ipa-inline.o): Likewise.
5481 (reorg.o): Likewise.
5482 (reg-stack.o): Likewise.
5484 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5486 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5488 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5490 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5492 * configure.ac: Completely disregard languages that are not
5493 enabled.
5494 * configure: Regenerated.
5496 PR c++/26534
5497 * c-common.h (c_build_bitfield_integer_type): Declare.
5498 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5499 * c-common.c (c_build_bitfield_integer_type): ... here.
5501 2006-04-23 Roger Sayle <roger@eyesopen.com>
5503 PR target/21283
5504 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5505 a SImode SUBREG of a floating point register after no_new_pseudos.
5507 2006-04-23 Roger Sayle <roger@eyesopen.com>
5509 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5510 identify potentially eliminable registers to additionally catch
5511 VIRTUAL_INCOMING_ARGS_REGNUM.
5512 (addsi3): Update the conditions on when to use addsi_small_int.
5514 2006-04-23 Roger Sayle <roger@eyesopen.com>
5516 PR target/16641
5517 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5518 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5519 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5521 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5523 * fold-const.c (range_predecessor): Use operand_equal_p
5524 as the predicate for equality.
5525 (range_successor): Likewise.
5527 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5529 Revert:
5530 * config/soft-fp/op-common.h: Fix a typo.
5532 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5534 PR libmudflap/26864
5535 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5536 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5538 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5540 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5541 Fix comment typos.
5542 * doc/tm.texi: Fix a typo.
5544 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5546 * dwarf2out.c (struct die_struct): Document that die_sib makes
5547 a circular linked list.
5548 (FOR_EACH_CHILD): New.
5549 (reverse_die_lists): Delete.
5550 (reverse_all_dies): Delete.
5551 (add_dwarf_attr): Correct documentation.
5552 (remove_child_with_prev): New.
5553 (remove_child_TAG): Update for change to die_struct, use
5554 remove_child_with_prev.
5555 (add_child_die): Update for change to die_struct.
5556 (splice_child_die): Use remove_child_with_prev and add_child_die.
5557 (print_die): Use FOR_EACH_CHILD.
5558 (die_checksum): Likewise.
5559 (assign_symbol_names): Likewise.
5560 (output_location_lists): Likewise.
5561 (build_abbrev_table): Likewise.
5562 (calc_die_sizes): Likewise.
5563 (mark_dies): Likewise.
5564 (unmark_dies): Likewise.
5565 (unmark_all_dies): Likewise.
5566 (output_die): Likewise.
5567 (prune_unused_types_mark): Likewise.
5568 (prune_unused_types_walk): Likewise.
5569 (same_die_p): Update for change to die_struct.
5570 (break_out_includes): Likewise.
5571 (prune_unused_types_prune): Likewise.
5572 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5573 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5574 it's already clear.
5575 (dwarf2out_finish): Don't call reverse_all_dies.
5577 2006-04-21 Eric Christopher <echristo@apple.com>
5579 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5580 in comments and function names.
5582 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5584 PR c/25875
5585 * c-typeck.c (digest_init): Robustify.
5587 * c-typeck.c (pop_init_level): Simplify.
5589 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5591 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5593 2006-04-21 Paul Brook <paul@codesourcery.com>
5595 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5596 hardware floating point.
5598 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5600 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5601 NON_FLOAT_REGS.
5603 2006-04-21 Nick Clifton <nickc@redhat.com>
5605 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5606 OPT_EXTRA_PARTS.
5608 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5610 PR target/27230
5611 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5612 C++ lang type in traceback table for Objective-C++.
5614 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5616 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5618 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5620 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5622 PR mudflap/26789
5623 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5624 were errors. Remove check for erroneous objects.
5626 2006-04-20 Jeff Law <law@redhat.com>
5628 PR tree-optimization/26854
5629 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5630 checking for zero or one use.
5631 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5632 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5633 * tree-ssa-reassoc.c (negate_value): Similarly.
5634 (reassociate_bb): Similarly.
5636 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5638 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5639 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5640 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5642 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5644 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5645 fp regs if the last fp arg doesn't fit in regs.
5647 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5649 PR target/27182
5650 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5651 that the last insn has the REG_INC note.
5653 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5654 Nathan Sidwell <nathan@codesourcery.com>
5656 PR c/26774
5657 * stor-layout.c (update_alignment_for_field): Do not align
5658 ERROR_MARK nodes.
5659 (place_union_field): Place union field at the start of the union.
5660 (place_field): Move ERROR_MARK check later, and use the current
5661 allocation position to maintain monotonicity.
5663 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5665 * dominance.c: Include timevar.h.
5666 (calculate_dominance_info): Use TV_DOMINANCE.
5667 * timevar.def (TV_DOMINANCE): New timevar.
5668 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5670 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5672 PR rtl-optimization/14261
5673 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5674 move would be an INSV insn.
5675 (noce_process_if_block): Don't optimize if the destination is a
5676 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5678 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5680 * config/s390/s390.md: Add comments with the instructions emitted
5681 by an insn pattern if macros are used.
5683 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5685 PR rtl-optimization/26026
5686 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5687 is a known power of two shifted left a variable amount.
5689 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5691 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5692 to hash table twice when the debug_str section has SECTION_MERGE.
5694 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5696 * config/soft-fp: New directory. From glibc.
5697 * config/soft-fp/t-softfp: New.
5698 * config/soft-fp/README: New.
5699 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5700 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5701 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5702 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5703 * config.gcc: Use rs6000/t-fprules-fpbit or
5704 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5705 rs6000/t-fprules.
5706 * config/rs6000/sfp-machine.h: New. Based on glibc.
5707 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5708 New.
5709 * config/rs6000/t-fprules: Remove fp-bit rules.
5710 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5711 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5712 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5713 (softfp_wrap_start, softfp_wrap_end): New.
5715 2006-04-18 DJ Delorie <dj@redhat.com>
5717 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5719 2006-04-18 Devang Patel <dpatel@apple.com>
5721 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5723 2006-04-18 Nick Clifton <nickc@redhat.com>
5725 * config/sh/t-symbian: Add rule to build sh-c.o
5726 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5727 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5728 (sh_symbian_encode_section_info): Likewise.
5730 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5732 * builtins.c (expand_builtin_strcmp): Cover label definition of
5733 do_libcall with HAVE_cmpstrnsi.
5735 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5737 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5738 instead of VARRAY.
5739 * function.h (temp_slot_p): New.
5740 (function): Change the type of x_used_temp_slots to
5741 VEC(temp_slot_p,gc) *.
5743 2006-04-18 Nick Clifton <nickc@redhat.com>
5745 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5746 flag_strength_reduce.
5748 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5750 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5752 PR target/27117
5754 Partial revert of revision 112637
5755 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5756 Dale Johannesen <dalej@apple.com>
5758 PR target/19653
5759 * regclass.c (struct reg_pref): Update documentation.
5760 (regclass): Set prefclass to NO_REGS if memory is the best option.
5761 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5763 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5765 PR tree-optimization/26821
5766 * tree-ssa-math-opts.c (get_constant_one): New.
5767 (insert_reciprocals): Use it.
5769 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5771 * dwarf2out.c (free_AT): Delete.
5772 (remove_AT): Update string ref counts.
5773 (remove_child_TAG): Don't call free_die.
5774 (free_die): Delete.
5775 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5776 or DW_TAG_GNU_EINCL.
5777 (prune_unused_types_walk_attribs): Reset string refcounts.
5778 (prune_unused_types_update_strings): New.
5779 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5780 call free_die. Do call prune_unused_types_update_strings.
5781 (prune_unused_types): Empty debug_str_hash.
5783 2006-04-17 Roger Sayle <roger@eyesopen.com>
5785 * expr.c (expand_assignment): Optimize away no-op moves where the
5786 source and destination are equal and have no side-effects.
5788 2006-04-17 Richard Guenther <rguenther@suse.de>
5790 PR target/26826
5791 * reload.c (push_reload): Guard calls to get_secondary_mem
5792 for memory subregs.
5794 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5796 * alias.c (reg_base_value, old_reg_base_value): Change the
5797 type to VEC(rtx,gc) *.
5798 (REG_BASE_VALUE, find_base_value, record_set,
5799 init_alias_analysis): Use VEC instead of VARRAY.
5801 * alias.c (alias_sets): Change the type to
5802 VEC(alias_set_entry,gc) *.
5803 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5804 VEC instead of VARRAY.
5805 (last_alias_set): Remove.
5807 * cgraph.h (cgraph_edge_p): New.
5808 Update the prototype of cgraph_function_versioning.
5809 * cgraphunit.c (cgraph_copy_node_for_versioning,
5810 cgraph_function_versioning): Use VEC instead of VARRAY.
5811 * ipa-cp.c (ipcp_insert_stage): Likewise.
5813 2006-04-16 Roger Sayle <roger@eyesopen.com>
5815 PR target/26961
5816 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5817 "A op B" or "A op C", we may need to convert A to the type of B and C.
5819 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5821 * target.h (struct gcc_target): Add mode_rep_extended.
5822 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5823 (init_num_sign_bit_copies_in_rep): Initialize it using
5824 mode_rep_extended.
5825 (truncate_to_mode): Use it.
5826 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5827 * targhooks.h (default_mode_rep_extended): Declare it.
5828 * targhooks.c (default_mode_rep_extended): Define it.
5829 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5830 default_mode_rep_extended.
5831 (TARGET_INITIALIZER): Include it.
5832 * doc/tm.texi (Misc): Document it.
5833 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5834 (mips_truncated_to_mode): New function.
5836 2006-04-16 Roger Sayle <roger@eyesopen.com>
5838 PR middle-end/25474
5839 * expr.c (compress_float_constant): Copy the narrow constant into
5840 a new pseudo before extending it to its final width.
5842 2006-04-16 Roger Sayle <roger@eyesopen.com>
5843 Andrew Pinski <pinskia@gcc.gnu.org>
5844 Dale Johannesen <dalej@apple.com>
5846 PR target/24076
5847 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5848 special case code to implement V8HImode and V16QImode with SSE2.
5850 2006-04-15 Roger Sayle <roger@eyesopen.com>
5852 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5853 trees are constructed with a suitable tree type.
5855 2006-04-15 Roger Sayle <roger@eyesopen.com>
5857 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5858 (integer_onep): Likewise.
5859 (integer_all_onesp): Likewise.
5860 (integer_pow2p): Likewise.
5861 (integer_nonzerop): Likewise.
5862 (real_zerop): Likewise.
5863 (real_onep): Likewise.
5864 (real_twop): Likewise.
5865 (real_minus_onep): Likewise.
5866 (int_size_in_bytes): Likewise.
5867 (host_integerp): Likewise.
5869 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5871 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5872 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5873 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5875 * tree-ssa-structalias.h (alias_info): Remove num_references.
5877 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5879 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5880 (output_bvb patterns): Likewise.
5881 * pa.c (output_bb): Use 'bb' insn for long branch case.
5882 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5883 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5884 1. Correct length operand for alternatives 1 and 2.
5885 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5886 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5888 2006-04-14 Roger Sayle <roger@eyesopen.com>
5890 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5891 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5892 were accidentally reverted by r112959.
5894 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5896 PR middle-end/26823
5897 * except.h (eh_region_outermost): New prototype.
5898 * except.c (eh_region_outermost): New function.
5899 * tree-cfg.c (find_outermost_region_in_block): Use it.
5901 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5903 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5904 of VARRAY.
5905 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5906 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5907 (init_reload, reload): Use VEC instead of VARRAY.
5908 * reload.h: Update the prototype for
5909 reg_equiv_memory_loc_varray.
5911 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5912 Eric Botcazou <ebotcazou@libertysurf.fr>
5914 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5915 register save area.
5917 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5919 PR middle-end/27134
5920 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5921 to expand fallback builtin function call.
5923 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5925 PR middle-end/27095
5926 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5927 and emit libcall here in case the builtin fails.
5928 (expand_builtin_strcmp): Always emit the libcall here on failure.
5930 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5932 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5933 * flow.c (reg_n_info): Change the type to
5934 VEC(reg_info_p,heap) *.
5935 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5936 instead of VARRAY.
5937 * regs.h (reg_info_p): New.
5938 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5939 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5940 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5941 instead of VARRAY.
5943 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5945 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5946 defaulting to 100.
5947 * params.h (MAX_SCHED_READY_INSNS): New macro.
5948 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5949 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5950 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5951 the ready list for 1 cycle during the first scheduling pass.
5952 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5954 2006-04-13 Richard Henderson <rth@redhat.com>
5956 PR libgomp/26651
5957 * gimple-low.c (lower_omp_directive): Remove dead code.
5958 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5959 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5960 * omp-low.c (struct omp_region): Move to tree-flow.h.
5961 (root_omp_region): Export.
5962 (omp_regions, lookup_omp_region): Remove.
5963 (determine_parallel_type): Update for struct omp_region changes.
5964 (dump_omp_region): Dump regions with block numbers.
5965 (new_omp_region): Take type and block instead of stmt; malloc
5966 instead of ggc.
5967 (free_omp_region_1, free_omp_regions): New.
5968 (expand_parallel_call): Take entry_stmt as argument; update for
5969 changes to omp_region.
5970 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5971 (remove_exit_barriers): New.
5972 (expand_omp_parallel): Update for struct omp_region changes.
5973 (expand_omp_synch): Likewise.
5974 (expand_omp): Likewise.
5975 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5976 (expand_omp_for_static_chunk): Likewise.
5977 (expand_omp_for): Likewise.
5978 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5979 (expand_omp_sections): Similarly, with GOMP_sections_end.
5980 (expand_omp_single): New.
5981 (build_omp_regions_1): Update for OMP_CONTINUE.
5982 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5983 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5984 OMP_SECTIONS_SECTIONS.
5985 (lower_omp_single_simple): Don't emit barrier here.
5986 (lower_omp_single_copy): Likewise.
5987 (lower_omp_single): Fix bindings, and lower to straightline now.
5988 (lower_omp_master, lower_omp_ordered): Likewise.
5989 (lower_omp_critical): Likewise.
5990 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5991 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5992 omp edges, free it afterward.
5993 (make_omp_sections_edges): Remove.
5994 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5995 (move_stmt_r): Handle OMP_CONTINUE.
5996 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5997 statement pointers to basic blocks. Add type member.
5998 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5999 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6000 * tree-inline.c (estimate_num_insns_1): Likewise.
6001 * tree-pretty-print.c (dump_generic_node): Likewise.
6002 * tree-ssa-operands.c (get_expr_operands): Likewise.
6003 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6004 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6005 (OMP_CONTINUE): New.
6006 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6007 (OMP_SECTIONS_SECTIONS): Remove.
6008 (OMP_SECTION_LAST): New.
6009 (OMP_RETURN_NOWAIT): New.
6011 2006-04-13 Roger Sayle <roger@eyesopen.com>
6013 * fold-const.c (native_encode_vector, native_interpret_real):
6014 Correct obvious mistakes in the previous check-in.
6016 2006-04-13 Roger Sayle <roger@eyesopen.com>
6018 * fold-const.c (native_encode_expr): New function to encode
6019 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6020 or VECTOR_CST into a specified buffer.
6021 (native_encode_int): New function.
6022 (native_encode_real): New function.
6023 (native_encode_complex): New function.
6024 (native_encode_vector): New function.
6025 (native_interpret_expr): Inverse of native_encode_expr to convert
6026 a target representation into an INTEGER_CST, REAL_CST etc...
6027 (native_interpret_int): New function.
6028 (native_interpret_real): New function.
6029 (native_interpret_complex): New function.
6030 (native_interpret_vector): New function.
6031 (fold_view_convert_expr): New function to constant fold/evaluate
6032 a VIEW_CONVERT_EXPR of a suitable constant expression.
6033 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6034 Change call of build1 to fold_build1 when constructing a
6035 VIEW_CONVERT_EXPR.
6037 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6038 Ulrich Weigand <uweigand@de.ibm.com>
6040 PR target/27006
6041 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6042 to be even.
6044 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6046 PR target/26459
6047 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6048 optimize to lo_sum for DFmode if !TARGET_FPRS.
6050 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6052 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6053 delete_alias_info, compute_flow_sensitive_aliasing,
6054 group_aliases): Use VEC instead of VARRAY.
6055 * tree-ssa-structalias.c (update_alias_info): Likewise.
6056 * tree-ssa-structalias.h (alias_info): Change the type of
6057 processed_ptrs to VEC(tree,heap) *.
6059 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6061 PR target/27060
6062 * config/sh/lib1funcs.h: New file, broken out of:
6063 * config/sh/lib1funcs.asm.
6064 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6065 New macros.
6066 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6067 * config/sh/lib1funcs-Os-4-200.asm: New file.
6068 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6069 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6070 (EXTRA_MULTILIB_PARTS): Include it.
6071 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6072 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6073 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6074 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6075 TARGET_SH2.
6077 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6079 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6080 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6081 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6082 VARRAY.
6083 * tree-ssa-live.h: Include vecprim.h.
6084 (tree_partition_associator_d): Change the type of
6085 first_partition to VEC(int,heap) *.
6086 (tpa_first_partition): Use VEC instead of VARRAY.
6088 * Makefile.in (GTFILES): Move functions.h after tree.h.
6089 * function.c (reset_block_changes, record_block_change,
6090 check_block_change, free_block_changes): Use VEC instead of
6091 VARRAY.
6092 * function.h (function): Change the type of
6093 ib_boundaries_block to VEC(tree,gc) *.
6094 * tree-inline.c (copy_cfg_body): Initialize
6095 ib_boundaries_block to NULL instead of (varray_type) 0.
6097 2006-04-12 Roger Sayle <roger@eyesopen.com>
6099 * expr.c (emit_group_store): Correct operand order in call to
6100 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6101 a SUBREG_BYTE of zero.
6103 2006-04-12 Richard Guenther <rguenther@suse.de>
6105 * profile.c (compute_branch_probabilities): Remove code
6106 encapsulated in !ir_type (), which are remanents of the
6107 removed RTL profiling code.
6108 * rtl-profile.c: Remove.
6110 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6112 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6113 magic NULL_RTX comment.
6114 (function_arg): Store entire fp arg to mem if any part should go
6115 on stack.
6116 (rs6000_arg_partial_bytes): Adjust for above change.
6118 2006-04-11 Roger Sayle <roger@eyesopen.com>
6120 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6121 if it hasn't been initialized by dwarf2out_init.
6123 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6125 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6126 symbolic constants in branch patterns.
6128 2006-04-11 Roger Sayle <roger@eyesopen.com>
6130 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6132 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6134 PR rtl-optimization/27073
6135 * gcse.c (try_replace_reg): Revert last change. Continue to search
6136 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6137 on the former.
6139 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6141 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6142 aggregate types other than record and union types.
6143 (function_arg): Likewise.
6144 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6145 small arrays.
6146 (function_value): In 64-bit mode, return objects that require it
6147 in FP registers.
6149 2006-04-11 Roger Sayle <roger@eyesopen.com>
6151 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6153 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6155 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6157 2006-04-03 Jeff Law <law@redhat.com>
6159 PR/27087
6160 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6161 alias information too.
6163 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6165 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6167 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6169 PR/21391
6170 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6171 (premark_used_types_helper): New.
6172 (premark_used_types): New.
6173 (gen_subprogram_die): Call premark_used_types.
6174 (prune_unused_types_walk): Do not prune perennial dies.
6175 * function.c (used_types_insert): New.
6176 * function.h (struct function): Add used_types_hash field.
6177 (used_types_insert): Add prototype.
6178 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6179 * c-parser.c (c_parser_cast_expression): Save casted types in used
6180 types hash table.
6182 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6184 PR target/26459
6185 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6186 rs6000_explicit_options.float_gprs.
6188 2006-04-10 Roger Sayle <roger@eyesopen.com>
6190 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6191 from ix86_expand_vector_init_low_nonzero. Take an additional
6192 one_var argument indicating which element is non-zero. Support
6193 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6194 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6195 with one_var instead of ix86_expand_vector_init_low_nonzero.
6197 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6199 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6200 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6201 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6202 build/genextract.o): Depend on vecprim.h.
6203 * cfglayout.c, df-problems.c, function.c, genextract.c,
6204 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6205 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6206 vecprim.h.
6207 * vecprim.h: New.
6209 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6211 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6212 Declare VECs of this type.
6213 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6214 (remove_children): Delete.
6215 (add_dwarf_attr): Use VEC routines.
6216 (add_AT_flag): Update for changes to add_dwarf_attr.
6217 (add_AT_int): Likewise.
6218 (add_AT_unsigned): Likewise.
6219 (add_AT_long_long): Likewise.
6220 (add_AT_vec): Likewise.
6221 (add_AT_string): Likewise.
6222 (add_AT_die_ref): Likewise.
6223 (add_AT_fde_ref): Likewise.
6224 (add_AT_loc): Likewise.
6225 (add_AT_loc_list): Likewise.
6226 (add_AT_addr): Likewise.
6227 (add_AT_lbl_id): Likewise.
6228 (add_AT_lineptr): Likewise.
6229 (add_AT_macptr): Likewise.
6230 (add_AT_offset): Likewise.
6231 (add_AT_range_list): Likewise.
6232 (get_AT): Use VEC_iterate.
6233 (remove_AT): Use VEC_ordered_remove.
6234 (free_die): Fold remove_children into here; have it use VEC_iterate.
6235 (print_die): Use VEC_iterate on attrs.
6236 (reverse_die_lists): Don't reverse attr lists.
6237 (die_checksum): Use VEC_iterate on attrs.
6238 (same_die_p): Likewise.
6239 (output_location_lists): Likewise.
6240 (build_abbrev_table): Likewise.
6241 (size_of_die): Likewise.
6242 (unmark_all_dies): Likewise.
6243 (output_abbrev_section): Likewise.
6244 (output_die): Likewise.
6245 (prune_unused_types_walk_attribs): Likewise.
6247 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6249 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6251 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6253 PR debug/27057
6254 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6256 2006-04-09 Roger Sayle <roger@eyesopen.com>
6258 * expr.c (store_constructor): Don't bother clearing target if
6259 we're about to assign a vector to it using vec_init_optab.
6261 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6263 * tree-ssa-alias.c (lhs_may_store_to): New function.
6264 (recalculate_used_alone): Handle LHS of calls.
6266 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6268 PR target/27034
6269 PR target/26508
6270 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6271 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6272 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6273 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6274 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6275 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6276 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6277 stubs. Add ".align 8" directives before all ".dword" directives.
6278 (GTHREAD_USE_WEAK): Revise comment.
6279 (TARGET_ATTRIBUTE_WEAK): Define.
6280 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6281 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6282 * stublib.c: New file.
6284 PR target/26743
6285 PR target/11254
6286 PR target/10274
6287 * pa.md (cbranch patterns): Revise arguments used in calls to
6288 output_cbranch, output_bb and output_bvd. Add long branch length
6289 attributes.
6290 (fbranch patterns): Handle long branches.
6291 (jump): Revise length check. Revise arguments for output_lbranch call.
6292 Add long branch length attributes.
6293 (decrement_and_branch_until_zero): Add long branch length attributes.
6294 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6295 Likewise. Revise arguments for output_parallel_addb and
6296 output_parallel_movb calls.
6297 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6298 output_parallel_movb and output_parallel_addb): Update prototypes.
6299 * pa.c (output_cbranch): Revise arguments. Correct handling of
6300 nullification in long branches.
6301 (output_lbranch): Add new argument to control extraction of delay
6302 instruction.
6303 (output_bb): Handle long branches.
6304 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6305 output_parallel_addb): Likewise.
6307 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6309 PR rtl-optimization/27073
6310 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6311 not REG_EQUIVs.
6313 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6315 * tree.h (tree_memory_tag): Add old_used_alone.
6316 (SMT_OLD_USED_ALONE): New macro.
6317 * tree-ssa-alias.c (recalculate_used_alone): Stop
6318 marking things for renaming unnecessarily.
6320 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6322 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6323 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6324 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6325 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6326 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6327 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6328 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6329 spelling convensions.
6330 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6331 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6332 typos. Follow spelling conventions.
6334 2006-04-07 DJ Delorie <dj@redhat.com>
6336 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6337 passed on the stack.
6338 (m32c_init_cumulative_args): When a function returns a structure,
6339 always pass the pointer to that return area on the stack.
6340 (m32c_function_arg_advance): Don't increment the parameter number
6341 if we're processing the returned structure pointer.
6342 (pushm_info): Reverse order of registers.
6344 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6346 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6347 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6348 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6349 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6350 build_int_cst_type.
6351 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6352 chrec_fold_multiply): Same.
6353 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6354 force_expr_to_var_cost): Same.
6355 * tree-mudflap.c (mf_xform_derefs_1): Same.
6356 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6358 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6360 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6361 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6362 insn.
6364 2006-04-07 Jan Hubicka <jh@suse.cz>
6366 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6368 2006-04-07 Richard Guenther <rguenther@suse.de>
6370 PR tree-optimization/26135
6371 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6372 loads for store copy-prop.
6373 (copy_prop_visit_stmt): Likewise.
6375 2006-04-05 Robert Millan <robertmh@gnu.org>
6377 * config/i386/linux.h: Add a comment to mark macros that are
6378 being overriden in config/k*bsd-gnu.h.
6379 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6380 DYNAMIC_LINKER.
6381 * config/knetbsd-gnu.h: Ditto.
6383 2006-04-06 Jan Hubicka <jh@suse.cz>
6385 PR profile/20815
6386 PR profile/26399
6387 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6388 after buffer.
6390 2006-04-06 Mike Stump <mrs@apple.com>
6392 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6393 for HAVE_nonlocal_goto to be consistent.
6394 (expand_builtin_nonlocal_goto): Likewise.
6395 (expand_builtin_strcmp): Use #ifdef instead of #if
6396 for HAVE_cmpstrnsi to be consistent.
6398 2006-04-05 DJ Delorie <dj@redhat.com>
6400 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6401 vs m32c.
6403 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6405 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6406 got-relative addressing for anything but SImode.
6408 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6409 even if the calling function doesn't modify them.
6411 2006-04-05 Richard Guenther <rguenther@suse.de>
6413 PR tree-optimization/26919
6414 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6415 to cgraph_estimate_size_after_inlining.
6417 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6419 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6421 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6423 PR tree-optimization/26996
6424 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6425 VECTOR_TYPE variables.
6427 2006-04-05 Richard Guenther <rguenther@suse.de>
6429 PR tree-optimization/26763
6430 * fold-const.c (fold_comparison): Move folding of
6431 PTR + CST CMP PTR + CST ...
6432 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6434 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6436 * doc/install.texi (Prerequisites): Refine some wording on
6437 bootstrapping and ksh.
6438 Move the version numbers of DejaGnu here from the testing section
6439 and fix casing of names.
6440 Fix markup and clarify wording for autogen requirements.
6441 Refer to GCJ instead of just java.
6442 Refer to SVN instead of CVS.
6443 Describe diffutils as useful instead of necessary.
6444 (Downloading the source): Refer to SVN instead of CVS.
6445 Adjust a link to our web site accordingly.
6446 (Configuration): Fix casing of Bison.
6447 (Building): Refer to SVN instead of CVS.
6448 Fix a sentence on the use of Bison and remove duplicate (and
6449 incorrect) version number of Bison requirement.
6450 Remove one redundant list of packages needed for building.
6451 (Specific): Avoid reference to CVS.
6453 2006-04-04 Eric Christopher <echristo@apple.com>
6455 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6456 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6457 (rs6000_handle_struct_attribute): New.
6458 (rs6000_ms_bitfield_layout_p): Ditto.
6460 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6462 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6463 NULL for dso parameter to atexit_common.
6465 2006-04-04 Eric Christopher <echristo@apple.com>
6467 * config/i386/i386.c (machopic_output_stub): Output \t
6468 between instructions and operands.
6470 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6472 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6473 satisfies_constraint_[IL] to explicit tests on value.
6475 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6477 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6478 set_nb_iterations_in_loop): Use build_int_cst instead of
6479 build_int_cst_type.
6480 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6481 build_int_cst instead of convert.
6483 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6485 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6486 new value 2 for incoming.
6487 * function.c (expand_function_start): Call struct_value_rtx
6488 with incoming as 2.
6489 * config/sparc/sparc.md: Comment updated_return.
6490 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6491 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6492 struct return if sparc_std_struct_return and incoming is 2.
6493 (print_operand): Do not adjust return if
6494 sparc_std_struct_return.
6496 2006-04-04 Roger Sayle <roger@eyesopen.com>
6498 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6499 convert in the middle-end.
6500 * expr.c (store_expr, store_constructor, get_inner_reference,
6501 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6502 Likewise.
6503 * tree.c (build_range_type): Likewise.
6505 2006-04-04 Tom Tromey <tromey@redhat.com>
6507 * doc/install.texi (Prerequisites): Mention jar.
6509 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6511 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6512 subsection.
6514 2006-04-04 Matthias Klose <doko@debian.org>
6516 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6517 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6518 strings.
6520 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6522 * doc/extend.texi (Function Attributes): Rewrite visibility
6523 attribute documentation.
6524 * doc/invoke.texi (C++ Dialect Options): Rewrite
6525 -fvisibility-inlines-hidden documentation to describe something
6526 entirely different, although in practise compatible.
6527 (Code Gen Options): Warn about system headers in -fvisibility=
6528 documentation.
6530 * doc/extend.texi (Other Builtins): Document that
6531 __builtin_nan is a compile-time constant only when its argument
6532 is valid.
6534 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6536 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6537 trying to remove TRUNCATE check if all bits outside the new mode
6538 are identical to the sign bit.
6540 2006-04-03 Jeff Law <law@redhat.com>
6542 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6543 and operand scanning in some common cases.
6545 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6546 Dale Johannesen <dalej@apple.com>
6548 PR target/19653
6549 * regclass.c (struct reg_pref): Update documentation.
6550 (regclass): Set prefclass to NO_REGS if memory is the best option.
6551 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6552 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6553 into account. For non-registers, equate an empty preferred
6554 reload class to a `!' in the constraint; move the if clause to
6555 do so after those that reject the insn.
6556 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6557 return NO_REGS.
6558 (find_dummy_reload): Likewise.
6559 * doc/tm.texi (Register Classes): Document what it means
6560 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6561 * config/i386/i386.c (ix86_preferred_reload_class): Force
6562 using SSE registers (and return NO_REGS for floating-point
6563 constants) if math is done with SSE.
6564 (ix86_preferred_output_reload_class): New.
6565 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6566 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6567 * config/i386/i386.md: Remove # register preferences.
6569 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6571 PR bootstrap/26992
6572 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6573 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6574 the type of nb_iter.
6575 (instantiate_parameters_1): Convert the operands before calling
6576 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6577 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6579 2006-04-02 Roger Sayle <roger@eyesopen.com>
6581 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6582 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6583 instead of convert.
6584 * dojump.c (do_jump): Likewise.
6585 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6586 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6587 gimplify_boolean_expr): Likewise.
6588 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6589 * varasm.c (array_size_for_constructor): Likewise.
6590 * tree-object-size.c (compute_object_offset): Likewise.
6592 2006-04-02 Roger Sayle <roger@eyesopen.com>
6594 PR middle-end/26977
6595 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6596 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6598 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6600 PR tree-optimization/26939
6601 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6603 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6605 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6606 at_stmt. Convert the type of operands before calling
6607 build_polynomial_chrec.
6608 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6609 add_to_evolution_1.
6610 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6611 (instantiate_parameters_1): Convert the type of operands before calling
6612 build_polynomial_chrec.
6613 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6614 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6615 reset_evolution_in_loop): Insert asserts to check the types of the
6616 operands.
6617 (chrec_type): Moved...
6618 (eq_evolutions_p): Use operand_equal_p.
6619 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6620 the types of the operands.
6621 (chrec_type): ...here.
6622 * tree-data-ref.c (create_data_ref): Convert the operands before
6623 calling chrec_replace_initial_condition.
6624 (same_access_functions, analyze_subscript_affine_affine,
6625 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6626 (compute_subscript_distance, analyze_ziv_subscript,
6627 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6628 analyze_miv_subscript): Convert the operands before calling
6629 chrec_fold_minus or chrec_fold_plus.
6631 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6633 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6634 the dependence_relations vector.
6635 (compute_data_dependences_for_loop): Adjust call to
6636 compute_all_dependences.
6638 2006-04-01 Roger Sayle <roger@eyesopen.com>
6639 Richard Henderson <rth@redhat.com>
6641 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6642 gimple_boolify on the condition before calling gimplify_expr.
6644 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6646 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6647 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6648 the frame size. Update to use the new macros.
6649 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6650 * config/xtensa/ieee754-df.S: Likewise.
6652 2006-03-31 Richard Henderson <rth@redhat.com>
6654 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6655 (make_edges): ... here. Control fallthru creation with a local
6656 variable. Do not play with fake edges.
6657 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6658 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6659 a boolean.
6661 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6663 * dwarf2.h (DW64_CIE_ID): Define.
6664 * dwarf2out.c (DWARF_CIE_ID): Define.
6665 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6666 length header. Use DWARF_CIE_ID.
6667 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6668 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6670 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6672 * config/sh/linux-atomic.asm: New file.
6673 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6675 2006-03-31 DJ Delorie <dj@redhat.com>
6677 * config/m32c/cond.md: Set condition flags properly throughout.
6678 * config/m32c/minmax.md: Likewise.
6679 * config/m32c/prologue.md: Likewise.
6680 * config/m32c/bitops.md: Likewise.
6681 * config/m32c/muldiv.md: Likewise.
6682 * config/m32c/mov.md: Likewise.
6683 * config/m32c/addsub.md: Likewise.
6684 * config/m32c/m32c.md: Likewise.
6685 * config/m32c/jump.md: Likewise.
6686 * config/m32c/shift.md: Likewise.
6688 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6689 conditionally output the pattern for this.
6690 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6691 (m32c_compare_redundant): New.
6692 (m32c_output_compare): New.
6693 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6695 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6696 dest, not src. Allow other 4-byte modes.
6698 2006-03-30 Denis Chertykov <denisc@overta.ru>
6700 * doc/md.texi: Refer to avr/constraints.md instead of
6701 avr/avr.h.
6703 2006-03-30 Roger Sayle <roger@eyesopen.com>
6705 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6706 signed vs. unsigned comparison failures on some hosts.
6708 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6710 PR target/26459
6711 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6712 change to FLOAT_REGS.
6714 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6715 (rs6000_override_options): Use it.
6716 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6717 only for -mabi=spe/no-spe and -mabi=altivec.
6719 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6721 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6722 !Zdynamiclib.
6724 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6726 * Makefile.in: Rename docdir to gcc_docdir.
6728 2006-03-30 Roger Sayle <roger@eyesopen.com>
6730 PR target/17959
6731 * expr.c (emit_group_store): Optimize group stores into a pseudo
6732 register by using a paradoxical subreg to initialize the destination
6733 if the first or last member of the group specifies a "low part".
6735 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6737 PR target/26734
6738 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6739 * target.h (struct gcc_target.speculate_insn): Change type of the
6740 second parameter to 'int'.
6741 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6742 the second operand of the DEPS_LIST.
6743 (copy_DEPS_LIST_list): Update reference to the second operand of the
6744 DEPS_LIST.
6745 * rtl.h (alloc_DEPS_LIST): Update signature.
6746 * sched-int.h (ds_t): Change typedef to 'int'.
6747 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6749 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6751 * haifa-sched.c (try_ready): Change condition to restore
6752 non-speculative pattern of the instruction.
6753 (process_insn_depend_be_in_spec): Code to keep probability of the
6754 speculative dependence non-decreasing.
6756 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6758 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6759 (single_move_for_movmem): ... this. Also change all uses.
6760 (bfin_expand_strmov): Renamed to...
6761 (bfin_expand_movmem): ... this. Also change all uses.
6762 * config/bfin/bfin.md (movstrsi): Renamed to...
6763 (movstrsi): ...this.
6765 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6767 PR tree-optimization/26830
6769 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6770 (copy_prop_visit_stmt): Remove write-only variable ann.
6771 (init_copy_prop): Check variable loop depth here. Do not simulate
6772 memory-tag and virtual operand PHIs except for store copy prop.
6774 2006-03-30 Richard Guenther <rguenther@suse.de>
6776 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6777 variants with double arguments.
6779 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6781 * genpreds.c (write_tm_constrs_h): Delete variable p.
6782 * genconditions.c (write_header): Add tm-constrs.h to included
6783 headers.
6784 * genpeep.c (main): Add toplev.h to included headers.
6785 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6786 (build/genpeep.o): Add toplev.h dependency.
6787 * config/rs6000/constraints.md: Add "W" constraint.
6789 2006-03-29 Roger Sayle <roger@eyesopen.com>
6791 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6792 sizes by correctly testing whether the size fits a host integer.
6793 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6794 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6795 SImode range for the default sizetype and bitsizetype.
6797 2006-03-29 Roger Sayle <roger@eyesopen.com>
6799 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6800 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6801 quickly if the argument is already of the correct type.
6802 Call fold_build1 instead of build1. Tidy up blank lines.
6804 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6806 * genemit.c (main): Add tm-constrs.h to included headers.
6807 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6808 * genpeep.c (main): Add tm-constrs.h to included headers.
6809 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6810 (write_tm_constrs_h): this and write complete file.
6811 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6812 (write_insn_preds_c): Add tm-constrs.h to included headers.
6813 (gen_constrs): New variable.
6814 (parse_option): Parse "-c".
6815 (main): Invoke write_tm_constrs_h.
6816 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6817 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6818 (object_out_file): Add tm-constrs.h dependency.
6819 (insn-emit.o): Same.
6820 (insn-output.o): Same.
6821 (insn-peep.o): Same.
6822 (insn-preds.o): Same.
6823 (insn-recog.o): Same.
6824 (tm-constsr.h): New target.
6825 (s-constrs-h): New target.
6827 * config/rs6000/constraints.md: New file.
6828 * config/rs6000/rs6000.c: Include tm-constrs.h.
6829 (num_insn_constant_wide): Convert to satisfies_constraint.
6830 (rs6000_rtx_costs): Convert to satisfies_constraint.
6831 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6832 (CONST_OK_FOR_LETTER_P): Delete.
6833 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6834 (EXTRA_CONSTRAINT): Delete.
6835 (EXTRA_MEMORY_CONSTRAINT): Delete.
6836 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6837 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6838 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6839 satisfies_constraint.
6841 * config/i386/i386.c: Include tm-constrs.h.
6843 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6845 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6846 * tree-data-ref.c (find_data_references_in_loop,
6847 compute_data_dependences_for_loop): Use pointers to VEC.
6848 (analyze_all_data_dependences): Adjust calls.
6849 * tree-data-ref.h (find_data_references_in_loop,
6850 compute_data_dependences_for_loop): Adjust declarations.
6851 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6852 compute_data_dependences_for_loop.
6854 2006-03-29 Paul Brook <paul@codesourcery.com>
6856 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6857 (movdf_vfp): Ditto.
6859 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6861 PR tree-optimization/26859
6862 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6863 division by zero.
6864 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6865 for the step after fold_convert.
6867 2006-03-29 Paul Brook <paul@codesourcery.com>
6869 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6870 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6872 2006-03-29 Paul Brook <paul@codesourcery.com>
6874 PR middle-end/23623
6875 * targhooks.c (default_narrow_bitfield): New fuction.
6876 * targhooks.h (default_narrow_bitfield): add prototype.
6877 * target.h (gcc_target): Add narrow_volatile_bitfield.
6878 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6879 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6880 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6881 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6883 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6885 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6886 tmake_file.
6887 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6888 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6889 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6890 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6891 (s390_function_arg_float): Allow SDmode and DDmode values to be
6892 passed in floating point registers.
6893 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6894 check with SCALAR_FLOAT_MODE_P.
6895 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6897 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6899 PR tree-optimization/25985
6900 * tree-ssa-loop-niter.c (number_of_iterations_le,
6901 number_of_iterations_ne): Make comments more precise.
6902 (number_of_iterations_cond): Add only_exit argument. Use the
6903 fact that signed variables do not overflow only when only_exit
6904 is true.
6905 (loop_only_exit_p): New.
6906 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6907 number_of_iterations_cond.
6909 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6911 PR tree-optimization/26643
6912 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6913 bit_field_refs.
6915 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6917 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6918 (divsi3_i4_int): Likewise.
6920 2006-03-28 Roger Sayle <roger@eyesopen.com>
6922 * expr.c (emit_group_store): Only create a new pseudo reg if the
6923 quantity it needs to hold isn't already a suitable pseudo.
6925 2006-03-28 Jeff Law <law@redhat.com>
6927 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6928 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6930 2006-03-28 Roger Sayle <roger@eyesopen.com>
6932 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6933 the equivalent ~X & Y, and the symmetry related transformations.
6934 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6935 ~X & Y, and symmetry related transforms.
6937 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6939 Revert my 2006-03-27 patches.
6941 2006-03-28 Roger Sayle <roger@eyesopen.com>
6943 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6944 ~(T1)X, when T1 and T2 are integer types of the same precision
6945 and (T2)X isn't an extension.
6947 2006-03-28 Jeff Law <law@redhat.com>
6949 PR tree-optimization/26796
6950 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6951 need EH edge cleanups rather than purging them immediately.
6952 (eliminate_degenerate_phis): Handle queued EH cleanups.
6954 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6956 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6957 from parent_var.
6959 2006-03-27 Roger Sayle <roger@eyesopen.com>
6961 PR middle-end/22524
6962 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6963 cast BIT_NOT_EXPR operand to the correct type.
6965 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6967 * tree-loop-linear.c: Don't include varray.h.
6968 (gather_interchange_stats, try_interchange_loops,
6969 linear_transform_loops): Use VEC instead of VARRAY.
6970 * lambda-mat.c: Don't include varray.h.
6971 * tree-chrec.c: Same.
6972 * lambda-trans.c: Same.
6973 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6974 VEC instead of VARRAY.
6975 * tree-vectorizer.h: Idem.
6976 * tree-data-ref.c (dump_data_references,
6977 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6978 initialize_data_dependence_relation, finalize_ddr_dependent,
6979 compute_all_dependences, find_data_references_in_loop,
6980 compute_data_dependences_for_loop, analyze_all_data_dependences,
6981 free_dependence_relation, free_dependence_relations,
6982 free_data_refs): Idem.
6983 * tree-data-ref.h (data_reference_p, subscript_p): New.
6984 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6985 VEC instead of VARRAY.
6986 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6987 (find_data_references_in_loop, compute_data_dependences_for_loop,
6988 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6989 dump_data_dependence_relations, free_dependence_relations,
6990 free_data_refs): Adjust declaration.
6991 (lambda_transform_legal_p): Move declaration here...
6992 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6993 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6994 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6995 vect_analyze_data_refs): Use VEC instead of VARRAY.
6996 * lambda.h (lambda_transform_legal_p): ...from here.
6997 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6998 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6999 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7000 tree-chrec.o): Don't depend on VARRAY_H.
7002 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7004 * rtl.def (Copyright): Update date.
7005 (DEPS_LIST): Change type of the second operand to 'int'.
7006 * target.h (Copyright): Update date.
7007 (struct gcc_target.speculate_insn): Change type of the second parameter
7008 to 'int'.
7009 * lists.c (Copyright): Update date.
7010 (alloc_DEPS_LIST): Change signature. Update reference to the second
7011 operand of the DEPS_LIST.
7012 (copy_DEPS_LIST_list): Update reference to the second operand of the
7013 DEPS_LIST.
7014 * rtl.h (Copyright): Update date.
7015 (alloc_DEPS_LIST): Update signature.
7016 * sched-int.h (Copyright): Update date.
7017 (ds_t): Change typedef to 'int'.
7018 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7020 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7022 * haifa-sched.c (Copyright): Update date.
7023 (try_ready): Change condition to restore non-speculative pattern
7024 of the instruction.
7025 (process_insn_depend_be_in_spec): Code to keep probability of the
7026 speculative dependence non-decreasing.
7028 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7030 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7031 shut up the compiler.
7033 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7035 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7036 to use lib prefix for target.
7037 ($(T)libic_invalidate_array_4-200.a): Likewise.
7038 ($(T)libic_invalidate_array_4a.a): Likewise.
7040 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7041 J"orn Rennecke <joern.rennecke@st.com>
7043 * superh.opt: New file.
7044 * sh.c (boardtype, osruntime): Remove.
7045 * superh.h (SUBTARGET_OPTIONS): Remove.
7046 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7048 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7049 arguments with ^ and/or [].
7051 * config.gcc (sh-*-*): Add quoting to account for quirk of
7052 Solaris /bin/sh.
7053 Replace == with = in enable_incomplete_targets test.
7055 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7056 with MASK_LITTLE_ENDIAN.
7058 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7059 * config/sh/sh.opt: Added to some comments.
7060 * config/sh/superh.h: Removed some chaff.
7062 * config/sh/sh.opt: Add m4-[1234]00* options.
7063 * config/sh/sh.c (sh_handle_option): Likewise.
7064 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7065 (ic_invalidate_array_4-100.o): New rule.
7066 ($(T)libic_invalidate_array_4-100.a): Likewise.
7067 (ic_invalidate_array_4-200.o): Likewise.
7068 ($(T)libic_invalidate_array_4-200.a): Likewise.
7069 (ic_invalidate_array_4a.o): Likewise.
7070 ($(T)libic_invalidate_array_4a.a): Likewise.
7071 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7072 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7073 m4-200*, and m4a*.
7074 * config/sh/crt1.asm: Merged in profiling code.
7075 * config/sh/superh.h (STARTFILE_SPEC): Override.
7076 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7077 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7078 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7080 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7081 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7082 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7084 * sh.opt (mpretend-cmove): New option.
7085 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7086 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7087 (movsicc): Add TARGET_PRETEND_CMOVE code.
7089 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7091 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7092 s390_class_max_nregs): New function prototypes.
7093 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7094 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7095 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7096 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7098 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7100 * dwarf2out.c (add_location_or_const_value_attribute): Call
7101 tree_add_const_value_attribute if nothing else works.
7102 (reference_to_unused): New.
7103 (rtl_for_decl_init): Use reference_to_unused to decide whether
7104 to output an initializer.
7106 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7108 PR target/26459
7109 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7110 peephole removing spe frob_di_df_2.
7112 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7114 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7115 (subscript_dependence_tester_1): Declared.
7116 (print_dir_vectors, print_dist_vectors): New.
7117 (debug_data_dependence_relation): New.
7118 (dump_data_dependence_relation): Print more details.
7119 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7120 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7121 (save_dist_v, save_dir_v, add_outer_distances,
7122 build_classic_dist_vector_1): New.
7123 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7124 Don't test for lambda_vector_lexico_pos.
7125 (same_access_functions, add_multivariate_self_dist,
7126 add_other_self_distances, dir_from_dist): New.
7127 (build_classic_dir_vector): Replace implementation almost identical to
7128 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7129 dir_from_dist.
7130 (subscript_dependence_tester_1): New.
7131 (subscript_dependence_tester): Handle the lexicographically negative
7132 distance vectors by recomputing the dependence relation.
7133 (compute_affine_dependence): Remove parameter loop_nest_depth.
7134 (compute_self_dependence): Don't call compute_subscript_distance.
7135 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7136 Add a parameter for the loop_nest.
7137 (find_loop_nest_1, find_loop_nest): New.
7138 (compute_data_dependences_for_loop): Compute the loop nest, and give
7139 up if the nest is not well formed.
7140 * tree-data-ref.h (loop_p): New.
7141 (struct data_dependence_relation): Replace size_vect field with
7142 loop_nest, a vec of loops.
7143 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7144 (DDR_LOOP_NEST): New.
7145 (print_dir_vectors, print_dist_vectors,
7146 debug_data_dependence_relation): Declared.
7147 (index_in_loop_nest): New.
7148 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7149 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7150 distance.
7152 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7154 * simplify-rtx.c (simplify_relational_operation): Call
7155 simplify_relational_operation_1 even if mode is VOIDmode.
7157 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7159 PR tree-optimization/26804
7160 * tree.h (DECL_CALL_CLOBBERED): New macro.
7161 (tree_decl_common): Add call_clobbered_flag.
7162 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7163 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7164 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7165 (mark_non_addressable): Ditto.
7166 * tree-ssa.c (verify_call_clobbered): New function.
7167 (verify_alias_info): Use it.
7168 * tree-pass.h (pass_reset_cc_flags): New prototype.
7169 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7170 (reset_cc_flags): New function.
7171 * passes.c (init_optimization_passes): Call reset_cc_flags after
7172 initializing referenced_vars.
7174 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7175 Roger Sayle <roger@eyesopen.com>
7177 PR middle-end/26717
7178 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7179 to 1.0 for non-real operands. Implement A / A optimization for
7180 complex operands.
7182 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7184 * config/i386/i386.c (size_cost): Correct the comment for
7185 cost of storing fp registers.
7186 (i386_cost): Likewise.
7187 (i486_cost): Likewise.
7188 (pentium_cost): Likewise.
7189 (pentiumpro_cost): Likewise.
7190 (k6_cost): Likewise.
7191 (athlon_cost): Likewise.
7192 (k8_cost): Likewise.
7193 (pentium4_cost): Likewise.
7194 (nocona_cost): Likewise.
7195 (generic64_cost): Likewise.
7196 (generic32_cost): Likewise.
7198 2006-03-24 Denis Chertykov <denisc@overta.ru>
7200 * config/avr/avr-protos.h (extra_constraint): Delete.
7201 (extra_constraint_Q): New declaration.
7202 * config/avr/constraints.md: New file.
7203 * config/avr/avr.md: Include it.
7204 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7205 (TMP_REGNO, ZERO_REGNO): Likewise.
7206 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7207 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7208 (extra_constraint): Delete.
7209 (extra_constraint_Q): Test for memory constraint 'Q'.
7210 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7211 (REG_CLASS_FROM_LETTER): Delete.
7212 (CONST_OK_FOR_LETTER_P): Delete.
7213 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7214 (EXTRA_CONSTRAINT): Delete.
7215 (TMP_REGNO): Delete.
7216 (ZERO_REGNO): Delete.
7218 2006-03-24 Jeff Law <law@redhat.com>
7220 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7221 directly. Call mark_new_vars_to_rename slightly earlier.
7223 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7225 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7226 (is_cxx): Likewise.
7227 (gen_compile_unit_die): Use new language types for Objective-C and
7228 Objective-C++.
7229 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7230 DW_LANG_C_plus_plus.
7232 PR 26793
7233 * config/t-darwin (crt3.o): Work around bug 26840.
7234 * config/darwin-crt3.c: Rewrite.
7235 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7237 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7239 * doc/invoke.texi: Document -femit-class-debug-always
7240 * common.opt: Add -femit-class-debug-always.
7242 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7244 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7245 index and base register.
7246 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7247 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7248 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7249 REGNO_OK_FOR_INDEX_P.
7250 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7251 ADDR_REGNO_P.
7252 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7253 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7254 REG_OK_FOR_BASE_P): Definitions removed.
7256 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7258 PR middle-end/26611
7259 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7260 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7261 set yet or weren't marked as local yet.
7263 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7265 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7266 the compiler.
7268 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7270 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7271 (rs6000_legitimate_small_data_p): Delete.
7272 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7273 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7274 and make static. Add forward declaration. Update uses.
7275 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7276 of offsettable_memref_p.
7277 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7278 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7280 2006-03-24 Jeff Law <law@redhat.com>
7282 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7283 around bug in immediate-use iterator.
7285 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7287 PR target/26607
7288 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7289 or __LITTLE_ENDIAN__.
7291 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7293 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7294 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7295 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7296 * config/sh/sh.opt (mdiv=): Amend description.
7297 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7298 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7299 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7300 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7301 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7302 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7303 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7304 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7305 TARGET_DIVIDE_CALL_FP.
7307 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7309 * haifa-sched.c (choose_ready): Fix type of the local variable.
7310 Move local variables. Add comment.
7311 (check_reg_live): Change signature. Make callable from debugger.
7312 * sched-int.h (check_reg_live): Update signature.
7313 * sched-ebb.c (check_reg_live): Update parameters.
7314 * sched-rgn.c (check_reg_live): Ditto.
7315 (region_head_or_leaf_p): Check pointer before dereferencing.
7316 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7317 before reload on optimization levels below 1.
7319 2006-03-23 Richard Henderson <rth@redhat.com>
7321 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7322 tls symbols.
7324 PR target/26347
7325 * config/alpha/predicates.md (local_symbolic_operand): Reject
7326 weak symbols.
7328 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7330 PR tree-opt/26795
7331 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7332 expressions which have overflowed constants.
7334 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7336 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7338 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7340 * cfgloopmanip.c (create_loop_notes): Removed.
7341 * final.c (final_scan_insn): Do not handle loop notes.
7342 * jump.c (squeeze_notes): Ditto.
7343 * cfglayout.c (skip_insns_after_block,
7344 duplicate_insn_chain): Ditto.
7345 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7346 create_loop_notes.
7347 * cfgloop.h (create_loop_notes): Declaration removed.
7349 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7351 * varasm.c (output_constant_pool): Restore fnname and fndecl
7352 arguments.
7353 (assemble_start_function): Adjust call accordingly.
7354 (assemble_end_function): Likewise.
7356 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7358 PR mudflap/26789
7359 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7361 PR mudflap/26790
7362 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7364 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7366 PR driver/22600
7367 * system.h (ICE_EXIT_CODE): New macro.
7368 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7369 (diagnostic_action_after_output): Likewise.
7370 * gcc.c (fatal_ice): New function.
7371 (execute): Use it instead of fatal.
7372 (fancy_abort): Likewise.
7373 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7375 2006-03-22 Jeff Law <law@redhat.com>
7377 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7378 iv_analyze_result returning false.
7380 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7382 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7384 2006-03-22 Richard Henderson <rth@redhat.com>
7386 PR middle-end/26084
7387 * except.c (duplicate_eh_regions_0): New.
7388 (duplicate_eh_region_1): Duplicate the children of the node as
7389 well as the node itself. Link them up properly.
7390 (duplicate_eh_region_2): Merge into ...
7391 (duplicate_eh_regions): ... here. Take copy_region argument, and
7392 copy only a sub-tree if asked. Simplify copying and fixup.
7393 (eh_region_outer_p): New.
7394 * except.h (duplicate_eh_regions): Update decl.
7395 (eh_region_outer_p): Declare.
7396 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7397 (lower_omp_master): Likewise.
7398 (lower_omp_ordered): Likewise.
7399 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7400 (move_stmt_r): Use it to remap labels. Handle recursion vs
7401 remap_decls_p properly.
7402 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7403 (find_outermost_region_in_block): New.
7404 (new_label_mapper): New.
7405 (move_sese_region_to_fn): Copy eh information to the new function
7406 properly.
7407 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7408 argument.
7409 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7410 number.
7412 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7414 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7415 into shared libraries.
7417 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7419 * doc/md.texi: Refer to i386/constraints.md instead of
7420 i386/predicates.md.
7421 * config/i386/constraints.md: New file, extracted from...
7422 * config/i386/predicates.md: ...here.
7423 * config/i386/i386.md: Include constraints.md.
7425 2006-03-21 Jason Merrill <jason@redhat.com>
7427 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7429 PR middle-end/20297
7430 * expr.c (init_block_move_fn): Force default visibility.
7431 (init_block_clear_fn): Likewise.
7432 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7433 * targhooks.c (default_external_stack_protect_fail): Likewise.
7435 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7437 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7438 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7439 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7440 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7441 (loadgp): Use mips_current_loadgp_style.
7442 (loadgp_noshared): New pattern.
7443 (sibcall_internal): Use MIPS_CALL.
7444 (sibcall_value_internal): Likewise.
7445 (sibcall_value_multiple_internal): Likewise.
7446 (call_internal): Likewise.
7447 (call_value_internal): Likewise.
7448 (call_value_multiple_internal): Likewise.
7449 (call_split): Use MIPS_CALL and add an 'S' constraint.
7450 (call_value_split): Likewise.
7451 (call_value_multiple_split): Likewise.
7452 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7453 (-mshared): New option.
7454 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7455 (mips_current_loadgp_style): Declare.
7456 * config/mips/mips.c (mips_classify_symbol): Avoid using
7457 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7458 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7459 TARGET_ABSOLUTE_ABICALLS.
7460 (override_options): Adjust comments. Improve the warning that is
7461 issued when -mabicalls and -G are used together.
7462 (mips_file_start): Remove comment.
7463 (mips_current_loadgp_style): New function.
7464 (mips_gnu_local_gp): New variable.
7465 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7466 LOADGP_ABSOLUTE.
7467 (mips_output_function_prologue): Use mips_current_laodgp_style.
7468 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7469 the cprestore instruction.
7470 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7471 live for TARGET_ABSOLUTE_ABICALLS.
7472 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7473 (ASM_SPEC): Pass down -mshared and -mno-shared.
7474 (MIPS_CALL): New macro.
7475 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7476 definition.
7477 * doc/invoke.texi (-mabicalls): Update documentation.
7478 (-mshared): Document.
7480 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7482 * config/ia64/unwind-hpux.c: New file.
7483 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7485 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7487 PR libgomp/26384
7488 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7490 2006-03-21 Jeff Law <law@redhat.com>
7492 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7493 type conversions of a VR_VARYING source to a wider type.
7495 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7497 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7498 tm_file on Solaris 10 and later.
7499 (sparc64-*-solaris2*): Likewise.
7500 (sparc-*-solaris2*): Likewise.
7501 * config/sol26.h: Rename to config/sol2-6.h.
7502 * config/sol2-10.h: New file.
7504 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7506 PR tree-opt/26781
7507 * tree-ssa-pre.c (create_component_ref_by_pieces):
7508 Handle STRING_CST.
7510 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7512 PR c++/26690
7513 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7514 return it immediately.
7516 2006-03-21 Michael Matz <matz@suse.de>
7518 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7519 New members.
7520 (remove_arc, add_arc): Update num_out_arcs member.
7521 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7522 of out arcs.
7523 (cache_presence): New function.
7524 (compare_states_for_equiv): New function.
7525 (state_is_differed): Don't take number of outargs, adjust callers.
7526 Use new invariant for speeding up.
7527 (init_equiv_class): Create initial classes based on sorted
7528 input.
7529 (partition_equiv_class): Don't track out_arcs_num.
7530 (evaluate_equiv_classes): Call cache_presence on all states and
7531 sort them.
7533 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7535 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7536 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7537 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7538 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7539 callers changed.
7540 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7541 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7542 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7543 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7544 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7545 macros.
7546 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7547 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7548 (REGNO_REG_CLASS): ARGP is in PREGS.
7549 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7550 IREGS.
7551 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7552 to deal with those addresses.
7553 * addresses.h: New file.
7554 * caller-save.c: Include "addresses.h".
7555 (init_caller_save): Use new base_reg_class function.
7556 * rtl-factoring.c: Include "addresses.h".
7557 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7558 * recog.c: Include "addresses.h".
7559 (preprocess_constraints): Use new base_reg_class function.
7560 * regrename.c: Include "addresses.h".
7561 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7562 functions. Keep track of a new var INDEX_CODE to compute valid
7563 classes.
7564 (replace_oldest_value_addr): Likewise.
7565 (replace_oldest_value_mem): Use base_reg_class.
7566 * reload.c: Include "addresses.h".
7567 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7568 (find_reloads): Use new base_reg_class function.
7569 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7570 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7571 all callers and prototype changed.
7572 * reload1.c: Include "addresses.h".
7573 (maybe_fix_stack_asms): Use base_reg_class.
7574 * regclass.c: Include "addresses.h".
7575 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7576 (init_reg_autoinc): Use new base_reg_class function.
7577 (record_reg_classes): Likewise.
7578 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7579 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7580 Use new args to compute necessary class.
7582 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7583 regrename.o, rtl-factoring.o): Update dependencies.
7584 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7585 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7586 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7587 REG_OK_FOR_INDEX_P): Delete documentation.
7589 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7591 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7592 from V7 to V9 for Solaris 7 and above.
7594 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7596 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7597 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7598 argument pointers may not alias any other storage.
7599 * common.opt: Define option -fargument-noalias-anything.
7600 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7601 alias semantics is specified by flag_argument_noalias > 2.
7603 2006-03-20 Jeff Law <law@redhat.com>
7605 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7606 (pass_phi_only_cprop): Declare.
7607 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7608 with phi_only_cprop
7609 * tree-ssa-dom.c (degenerate_phi_result): New function.
7610 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7611 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7612 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7613 (eliminate_degenerate_phis): Likewise.
7614 (pass_phi_only_cprop): New pass descriptor.
7615 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7616 support code. Callers updated.
7617 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7618 (store_copy_prop): Likewise.
7619 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7621 2006-03-20 Jason Merrill <jason@redhat.com>
7623 PR c++/21764
7624 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7625 (push_visibility, pop_visibility): Likewise.
7626 * c-pragma.h: Declare them.
7628 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7630 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7632 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7633 parameter and use get_ebb_head_tail.
7634 (sh_md_init_global): Adjust uses of find_regmode_weight.
7636 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7638 * function.h (struct function) <x_tail_recursion_reentry>:
7639 Rename to x_stack_check_probe_note.
7640 (tail_recursion_reentry): Rename to stack_check_probe_note.
7641 * function.c: Replace tail_recursion_reentry with
7642 stack_check_probe_note everywhere.
7643 (expand_function_start): Only emit a note for
7644 stack_check_probe_note with -fstack-protect.
7645 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7647 * emit-rtl.c (remove_unnecessary_notes): Remove.
7648 (pass_remove_unnecessary_notes): Remove.
7649 * rtl.h (remove_unnecessary_notes): Remove prototype.
7650 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7651 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7652 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7654 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7656 PR tree-opt/26629
7657 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7658 (valid_in_set): Handle ARRAY_REF.
7659 Change "if min_variant or VH" to asserts.
7660 (create_component_ref_by_pieces): Handle ARRAY_REF.
7661 (create_expression_by_pieces): Likewise.
7662 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7664 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7666 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7667 is operand of switch, not str[0].
7669 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7671 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7672 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7674 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7676 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7677 end of insn_extra_address_constraint declaration.
7679 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7681 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7682 (no-sum-in-toc): Same.
7683 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7684 variables.
7685 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7686 NO_FP_IN_TOC for -fPIC instead of mask.
7688 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7689 (BOOT_LDFLAGS): Delete.
7690 (LDFLAGS): Delete.
7691 * config/rs6000/t-aix52: Same.
7693 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7694 (stmsi[345678]_power): New.
7696 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7698 * config/ia64/ia64.opt: Add empty line to end of file.
7700 2006-03-17 Richard Guenther <rguenther@suse.de>
7702 PR middle-end/26721
7703 * builtins.c (get_pointer_alignment): For component style references
7704 adjust alignment to the component type alignment. Make sure
7705 to adjust alignment for component access of constants.
7707 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7709 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7710 unconditional jump.
7712 2006-03-17 Paul Brook <paul@codesourcery.com>
7714 * doc/install.texi: Docuemnt --with-mode.
7715 * config.gcc: Add --with-mode for arm*-*-*.
7716 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7718 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7720 * sh.c (max_labelno_before_reorg): New variable.
7721 (sh_reorg): Initialize it.
7722 (find_barrier): Check max_labelno_before_reorg before using
7723 label_to_alignment. Take length of explicit alignment insns
7724 into account. When seeing a UNSPECV_CONST_END, return it.
7726 * sh.c (fixup_mova): Set mode of affected label to QImode.
7727 (untangle_mova): New function.
7728 (find_barrier): Use it. Check mode of label before decrementing
7729 num_mova.
7730 (sh_reorg): Likewise.
7731 Set mode of all insns back to VOIDmode.
7733 * sh.c (MOVA_LABELREF): New macro.
7734 (mova_p, fixup_mova, sh_reorg): Use it.
7735 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7736 ADDR_DIFF_VEC matches mova.
7738 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7740 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7741 with ATTRIBUTE_UNUSED.
7743 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7745 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7746 pointer, instead of assuming it is possible to derive the
7747 correct args size from a call insn.
7749 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7751 * rtl.h (CONST_INT_P): Define.
7752 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7753 instead of GET_CODE(x) == CONST_INT.
7754 (vax_rtx_costs): Likewise.
7755 (vax_output_int_move): Likewise.
7756 (vax_output_int_add): Likewise.
7757 (legitimate_constant_address_p): Likewise.
7758 (index_term_p): Likewise.
7759 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7760 * config/vax/vax.md (and<mode>3): Likewise.
7761 (ashrsi3): Likewise.
7762 (extv): Likewise.
7763 (movstricthi): Likewise.
7764 (movstrictqi): Likewise.
7765 (rotrsi3): Likewise.
7766 (five unnamed insns): Likewise.
7768 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7770 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7771 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7772 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7773 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7774 Pass to ASM_OUTPUT_DWARF_OFFSET.
7775 * dwarf2out.c (debug_frame_section): New.
7776 (output_call_frame_info): Use debug_frame_section. Pass it to
7777 dw2_asm_output_offset.
7778 (output_die): Pass appropriate section to dw2_asm_output_offset.
7779 (output_compilation_unit_header): Likewise.
7780 (output_pubnames): Likewise.
7781 (output_aranges): Likewise.
7782 (enum dw_val_class): Break dw_val_class_lbl_offset into
7783 dw_val_class_lineptr and dw_val_class_macptr.
7784 (add_AT_lbl_offset): Delete.
7785 (add_AT_lineptr): New.
7786 (add_AT_macptr): New.
7787 (AT_lbl): Expect a lineptr or macptr.
7788 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7789 (attr_checksum): Likewise.
7790 (same_dw_val_p): Likewise.
7791 (size_of_die): Likewise.
7792 (value_format): Likewise.
7793 (output_die): Likewise.
7794 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7795 add_AT_lbl_offset.
7796 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7797 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7798 * config/darwin-protos.h (darwin_file_start): New.
7799 (darwin_asm_output_dwarf_offset): New.
7800 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7801 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7802 darwin_file_start.
7803 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7804 if not EH section; simplify.
7805 (darwin_file_start): New.
7806 (darwin_asm_output_dwarf_offset): New.
7807 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7808 mark as 'debug'.
7809 (DEBUG_INFO_SECTION): Likewise.
7810 (DEBUG_ABBREV_SECTION): Likewise.
7811 (DEBUG_ARANGES_SECTION): Likewise.
7812 (DEBUG_MACINFO_SECTION): Likewise.
7813 (DEBUG_LINE_SECTION): Likewise.
7814 (DEBUG_LOC_SECTION): Likewise.
7815 (DEBUG_PUBNAMES_SECTION): Likewise.
7816 (DEBUG_STR_SECTION): Likewise.
7817 (DEBUG_RANGES_SECTION): Likewise.
7818 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7819 (ASM_OUTPUT_DWARF_OFFSET): New.
7821 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7823 * config.gcc (tm_defines): Always add to previous value rather
7824 than replacing it.
7826 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7828 * config/mips/predicates.md (splittable_const_int_operand): New,
7829 split from move_operand.
7830 (splittable_symbolic_operand): New.
7831 (move_operand): Add commentary. Use splittable_const_int_operand.
7832 Inline mips_atomic_symbolic_constant_p.
7833 * config/mips/mips.md: Add combine splitters for handling moves
7834 of splittable_const_int_operands and splittable_symbolic_operands.
7835 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7836 (mips_split_symbol): Declare.
7837 (mips_move_integer): Declare.
7838 * config/mips/mips.c (mips_split_p): Make global.
7839 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7840 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7841 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7842 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7843 (mips_offset_within_object_p): Handle block symbols.
7844 (mips_atomic_symbolic_constant_p): Delete.
7845 (mips_cannot_force_const_mem): Return false for constants that
7846 mips_legitimize_move can handle.
7847 (mips_use_blocks_for_constant_p): New function.
7848 (mips_split_symbol): Make global.
7849 (mips_move_integer): Likewise. Add a temporary register argument.
7850 (mips_legitimize_const_move): Use splittable_const_int_operand and
7851 splittable_symbolic_operand.
7852 (mips_use_anchors_for_symbol_p): New function.
7853 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7854 (mips_split_p): Declare.
7856 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7858 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7859 (mips*-*-linux*): Likewise.
7861 2006-03-16 Roger Sayle <roger@eyesopen.com>
7862 Daniel Speyer <dspeyer@wam.umd.edu>
7864 PR middle-end/18259
7865 * tree-dump.c (dump_real): New function.
7866 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7867 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7868 (tree-dump.o): Add $(REAL_H) to the dependencies.
7870 2006-03-16 Roger Sayle <roger@eyesopen.com>
7872 PR middle-end/21781
7873 * real.c (real_from_string): If the mantissa is zero, don't bother
7874 parsing the exponent as the result should always be zero.
7876 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7878 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7880 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7882 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7883 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7884 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7885 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7886 ia64_sched_finish_global): New static functions to implement
7887 hooks from gcc_target.sched.
7888 (spec_check_no, max_uid, pending_data_specs): New static variables.
7889 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7890 ia64_spec_check_src_p): New static functions.
7891 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7892 (TARGET_SCHED_ADJUST_COST): Removed.
7893 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7894 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7895 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7896 TARGET_SCHED_GEN_CHECK,
7897 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7898 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7899 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7900 Fixed to handle speculation checks.
7901 (rtx_needs_barrier): Fixed to handle speculative loads and
7902 their checks.
7903 (ia64_variable_issue): Added code to count speculative loads and their
7904 checks.
7905 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7906 speculative loads.
7907 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7908 New enumerations.
7909 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7910 New constants.
7911 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7912 (ia64_reorg): Reset stops_p to NULL after it is freed.
7913 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7914 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7915 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7916 chk_a.
7917 (data_speculative, control_speculative, check_load): New attributes.
7918 (mov<mode>_advanced, mov<mode>_speculative,
7919 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7920 zero_extend<mode>di2_speculative,
7921 zero_extend<mode>di2_speculative_advanced): New patterns for
7922 data and control speculative loads.
7923 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7924 check loads.
7925 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7926 New pattern for data and control speculation checks.
7927 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7928 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7929 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7930 Auxiliary definitions for the patterns.
7931 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7932 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7933 constraints.
7934 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7935 for speculation.
7936 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7937 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7938 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7939 New resource constraints.
7940 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7941 for speculation.
7942 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7943 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7944 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7945 msched-in-control-spec, msched-ldc, msched-control-ldc,
7946 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7947 msched-prefer-non-control-spec-insns,
7948 msched-count-spec-in-critical-path): New flags to tune speculative
7949 scheduling.
7950 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7951 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7952 msched-in-control-spec, msched-ldc, msched-control-ldc,
7953 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7954 msched-prefer-non-control-spec-insns,
7955 msched-count-spec-in-critical-path): Document new flags.
7957 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7959 * target.h (struct spec_info_def): New opaque declaration.
7960 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7961 speculate_insn, needs_block_p, gen_check,
7962 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7963 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7964 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7965 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7966 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7967 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7968 gcc_target.sched.
7969 (TARGET_SCHED): Use new macros.
7970 * rtl.h (copy_DEPS_LIST_list): New prototype.
7971 * sched-int.h (struct sched_info): Change signature of new_ready field,
7972 adjust all initializations. New fields: add_remove_insn,
7973 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7974 region_head_or_leaf_p.
7975 (struct spec_info_def): New structure declaration.
7976 (spec_info_t): New typedef.
7977 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7978 recovery_block, orig_pat.
7979 (glat_start, glat_end): New variables declaraions.
7980 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7981 New access macros.
7982 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7983 DETACH_LIFE_INFO, USE_GLAT.
7984 (enum SPEC_SCHED_FLAGS): New enumeration.
7985 (NOTE_NOTE_BB_P): New macro.
7986 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7987 attach_life_info, debug_spec_status, check_reg_live): New functions.
7988 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7989 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7990 sched-ebb.c
7991 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7992 * ddg.c (get_block_head_tail): Adjust all uses.
7993 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7994 (sms_sched_info): Initialize new fields.
7995 (contributes_to_priority): Removed.
7996 * haifa-sched.c (params.h): New include.
7997 (get_block_head_tail): Adjust all uses.
7998 (ISSUE_POINTS): New macro.
7999 (glat_start, glat_end): New global variables.
8000 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8001 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8002 old_last_basic_block, before_recovery, current_sched_info_var,
8003 rgn_n_insns, luid): New static variables.
8004 (insn_cost1): New function. Move logic from insn_cost to here.
8005 (find_insn_reg_weight1): New function. Move logic from
8006 find_insn_reg_weight to here.
8007 (reemit_notes, move_insn, max_issue): Change signature.
8008 (move_insn1): Removed.
8009 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8010 extend_bb): New static functions to support extension of scheduler's
8011 data structures.
8012 (generate_recovery_code, process_insn_depend_be_in_spec,
8013 begin_speculative_block, add_to_speculative_block,
8014 init_before_recovery, create_recovery_block, create_check_block_twin,
8015 fix_recovery_deps): New static functions to support
8016 generation of recovery code.
8017 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8018 restore_bb_notes, move_block_after_check, move_succs): New static
8019 functions to support ebb scheduling.
8020 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8021 functions to support handling of register live information.
8022 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8023 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8024 add_jump_dependencies): New static functions.
8025 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8026 consistancy checking.
8027 (debug_spec_status): New function to call from debugger.
8028 (priority): Added code to handle speculation checks.
8029 (rank_for_schedule): Added code to distinguish speculative instructions.
8030 (schedule_insn): Added code to handle speculation checks.
8031 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8032 Fixed to handle ebbs.
8033 (move_insn): Added code to handle ebb scheduling.
8034 (max_issue): Added code to use ISSUE_POINTS of instructions.
8035 (choose_ready): Added code to choose between speculative and
8036 non-speculative instructions.
8037 (schedule_block): Added code to handle ebb scheduling and scheduling of
8038 speculative instructions.
8039 (sched_init): Initialize new variables.
8040 (sched_finish): Free new variables. Print statistics.
8041 (try_ready): Added code to handle speculative instructions.
8042 * lists.c (copy_DEPS_LIST_list): New function.
8043 * sched-deps.c (extend_dependency_caches): New function. Move logic
8044 from create_dependency_caches to here.
8045 (get_dep_weak, ds_merge): Make global.
8046 * genattr.c (main): Code to output prototype for
8047 dfa_clear_single_insn_cache.
8048 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8049 (output_dfa_clean_insn_cache_func): Code to output
8050 dfa_clear_single_insn_cache function.
8051 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8052 n_insns.
8053 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8054 Removed.
8055 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8056 New static variables.
8057 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8058 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8059 struct sched_info.
8060 (ebb_sched_info): Initialize new fields.
8061 (get_block_head_tail): Adjust all uses.
8062 (compute_jump_reg_dependencies): Fixed to use glat_start.
8063 (schedule_ebb): Code to remove unreachable last block.
8064 (schedule_ebbs): Added code to update register live information.
8065 * sched-rgn.c (region_sched_info): Initialize new fields.
8066 (get_block_head_tail): Adjust all uses.
8067 (last_was_jump): Removed. Adjust users.
8068 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8069 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8070 Implement new hooks.
8071 (check_dead_notes1): New static function.
8072 (struct region): New fields: dont_calc_deps, has_real_ebb.
8073 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8074 (BB_TO_BLOCK): Fixed to handle EBBs.
8075 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8076 (ebb_head): New static variable.
8077 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8078 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8079 new fields.
8080 (compute_dom_prob_ps): New assertion.
8081 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8082 global_live_at_start.
8083 (init_ready_list): New assertions.
8084 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8085 (new_ready): Add support for BEGIN_CONTROL speculation.
8086 (schedule_insns): Fixed code that updates register live information
8087 to handle EBBs.
8088 (schedule_region): Fixed to handle EBBs.
8089 (init_regions): Use extend_regions and check_dead_notes1.
8090 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8091 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8092 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8093 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8094 TARGET_SCHED_GEN_CHECK,
8095 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8096 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8097 * doc/invoke.texi (max-sched-insn-conflict-delay,
8098 sched-spec-prob-cutoff): Document.
8100 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8102 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8103 inter_tick, queue_index.
8104 (struct sched_info): Change signature of init_ready_list field.
8105 Adjust all initializations.
8106 (RESOLVED_DEPS): New access macro.
8107 (ready_add): Remove prototype.
8108 (try_ready): Add prototype.
8109 * sched-rgn.c (init_ready_list): Use try_ready.
8110 (schedule_region): Initialize
8111 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8112 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8113 (init_ready_list): Use try_ready.
8114 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8115 * lists.c (remove_list_elem): Remove `static'.
8116 (remove_free_INSN_LIST_elem): New function.
8117 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8118 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8119 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8120 New constants.
8121 (readyp): New variable.
8122 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8123 change_queue_index, resolve_dep): New static functions.
8124 (try_ready): New function. Adjust callers in sched-rgn.c and
8125 sched-ebb.c to use it instead of ready_add.
8126 (clock_var): Move at the begining of file.
8127 (rank_for_schedule): Fix typo.
8128 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8129 (ready_lastpos): Enforce assertion.
8130 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8131 update all callers.
8132 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8133 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8134 (queue_to_ready): Use free_INSN_LIST_list.
8135 (early_queue_to_ready): Fix typo.
8136 (schedule_block): Init readyp. Move init_ready_list call after the
8137 initialization of clock_var. Fix error in rejecting insn by
8138 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8139 that previously corrected INSN_TICKs. Add code for handling
8140 QUEUE_INDEX.
8141 (set_priorities): Fix typo.
8142 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8143 Clarify comment and code that keeps current_sched_info->next_tail
8144 non-null.
8146 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8148 * sched-rgn.c (extend_rgns): New static function.
8149 (find_rgns): Use it.
8150 (gather_region_statistics, print_region_statistics): New static
8151 functions.
8152 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8153 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8155 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8156 Andrey Belevantsev <abel@ispras.ru>
8158 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8159 * lists.c (unused_deps_list): New variable.
8160 (free_list): Add assertions to verify the proper distinguishing
8161 between INSN_LISTs and DEPS_LISTs.
8162 (find_list_elem, remove_list_elem, remove_list_node): New static
8163 functions.
8164 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8165 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8166 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8167 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8168 an INSN_LIST.
8169 (free_INSN_LIST_node): Likewise.
8170 * modulo-sched.c (current_sched_info): Initialize flags field.
8171 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8172 * rtl.def (DEPS_LIST): Define.
8173 * rtl.h: Declare new functions from lists.c.
8174 * sched-deps.c (spec_dependency_cache): New static variable.
8175 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8176 (add_dependence): Change return type to void. Move the logic to ...
8177 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8178 (delete_all_dependences): Add comment about forward_dependency_cache.
8179 Handle spec_dependency_cache. Handle DEPS_LISTs.
8180 (fixup_sched_groups): Clarify the change of priority of output
8181 and anti dependencies.
8182 (sched_analyze_2): Adjust add_dependence calls to create data
8183 speculative dependence.
8184 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8185 Adjust all callers. Handle DEPS_LISTS.
8186 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8187 presence of speculation.
8188 (init_dependency_caches, free_dependency_caches):
8189 Handle spec_dependency_cache.
8190 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8191 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8192 New static functions.
8193 (add_or_update_back_dep, add_or_update_back_forw_dep,
8194 add_back_forw_dep, delete_back_forw_dep): New functions.
8195 * sched-int.h (ds_t, dw_t): New typedefs.
8196 (struct sched_info): Add new field flags.
8197 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8198 Prototype new sched-deps.c functions.
8199 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8200 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8201 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8202 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8203 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8204 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8205 New constants.
8206 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8207 New enums.
8208 * sched-rgn.c (current_sched_info): Initialize flags field.
8209 (schedule_insns): Initialize current_sched_info before the sched_init
8210 call.
8211 * sched-ebb.c (current_sched_info): Initialize flags field.
8212 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8213 Call add_or_update_back_dep instead of add_dependence.
8214 Create control speculative dependencies.
8215 (schedule_insns): Initialize current_sched_info before the sched_init
8216 call.
8218 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8220 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8221 fs->signal_frame.
8222 (sh_fallback_frame_state): Likewise.
8224 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8226 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8227 Do switch on default_use_cxa_atexit.
8228 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8229 * config/darwin-crt3.o: New.
8230 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8231 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8232 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8233 OS version.
8234 * config/rs6000/t-darwin: Move crt2.o building to here.
8235 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8236 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8237 of __cxa_atexit.
8239 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8241 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8242 from '! xxx' to '!xxx' for coding-style conformance.
8243 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8244 (EXTRA_CONSTRAINT): Likewise.
8245 * config/vax/vax.md (four unnamed insns): Likewise.
8247 2006-03-15 Paul Brook <paul@codesourcery.com>
8249 * config/arm/arm.c (minipool_pad): New.
8250 (add_minipool_forward_ref): Include pool alignment padding in address
8251 calculation.
8252 (push_minipool_fix): Set minipool_pad.
8253 (minipool_pad): Ditto.
8255 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8257 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8258 instead of GET_CODE() == MEM and REG_P() instead of
8259 GET_CODE() == REG.
8260 (print_operand_address): Likewise.
8261 (vax_address_cost): Likewise.
8262 (vax_rtx_costs): Likewise.
8263 (vax_notice_update_cc): Likewise.
8264 (vax_output_int_add): Likewise.
8265 (INDEX_REGISTER_P): Likewise.
8266 (BASE_REGISTER_P): Likewise.
8267 (nonindexed_address_p): Likewise.
8268 (vax_mode_dependent_address_p): Likewise.
8269 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8270 (PRINT_OPERAND): Likewise.
8271 * config/vax/vax.md (ashlsi3): Likewise.
8272 (ashlsi3): Likewise.
8273 (some more unnamed insns): Likewise.
8275 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8277 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8278 iterator-style macro.
8279 (mark_control_dependent_edges_necessary): Update the use of
8280 EXECUTE_IF_CONTROL_DEPENDENT.
8282 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8284 * config/sh/predicates.md (cache_address_operand): Special.
8285 (ua_address_operand): Likewise.
8287 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8289 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8290 loop notes.
8291 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8293 2006-03-15 Andreas Schwab <schwab@suse.de>
8295 * gensupport.c (identify_predicable_attribute): Don't free p_false
8296 when it is still in use.
8298 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8300 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8301 the default setting here.
8303 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8305 * tree-pass.h (pass_cfg): Remove.
8306 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8307 * passes.c (pass_cfg): Don't run it.
8309 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8311 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8312 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8313 VEC(char,heap) *.
8314 (stack_regs_mentioned): Update the uses of
8315 stack_regs_mentioned_data. Don't access the array beyond its
8316 end.
8317 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8318 Don't include gt-reg-stack.h.
8320 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8321 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8323 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8325 PR middle-end/26684
8326 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8327 STACK_REGS.
8329 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8331 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8333 2006-03-14 Richard Guenther <rguenther@suse.de>
8335 PR tree-optimization/26672
8336 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8337 SSA form.
8339 2006-03-14 Richard Guenther <rguenther@suse.de>
8341 PR tree-optimization/26667
8342 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8343 node for the callees. Always allow inlining if it will shrink
8344 the function size.
8346 2006-03-14 Richard Guenther <rguenther@suse.de>
8348 PR middle-end/26659
8349 * builtins.c (get_pointer_alignment): Prefer alignment
8350 information from decls over that from types.
8352 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8354 PR target/26657
8355 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8357 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8359 * config/rs6000/rs6000.opt (mdlmzb): New option.
8360 (msched-prolog, msched-epilog): Use Var not Mask.
8361 * doc/invoke.texi (-mdlmzb): Document.
8362 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8363 MASK_SCHED_PROLOG.
8364 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8365 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8367 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8369 PR rtl-optimization/25739
8370 * bt-load.c (augment_live_range): Free tos pointer.
8372 * gensupport.c (identify_predicable_attribute): Free
8373 p_false pointer.
8374 * gcov.c (create_file_names): Free name pointer.
8376 2006-03-13 Roger Sayle <roger@eyesopen.com>
8378 PR middle-end/26557
8379 * stmt.c (emit_case_nodes): Handle the case where the index is a
8380 CONST_INT, where the comparison mode is specified by the index type.
8382 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8384 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8385 is defined.
8387 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8389 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8390 (*branch_fp_inverted): Likewise.
8392 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8394 PR middle-end/25989
8395 * omp-low.c (expand_omp_for_generic): Mark istart0
8396 and iend0 as addressable.
8398 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8400 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8402 2006-03-13 Jeff Law <law@redhat.com>
8404 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8405 virtual operands are interesting.
8406 (vrp_visit_stmt): Corresponding changes.
8408 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8410 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8411 of RETS.
8412 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8413 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8414 * config/bfin/crti.S: Use it instead of __PIC__.
8415 * config/bfin/crtn.S: Likewise.
8417 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8418 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8419 not if flag_pic.
8420 Lose 'G' modifier for call operand.
8421 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8422 recognize 'G' modifier.
8424 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8426 PR middle-end/18859
8427 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8428 * stmt.c (expand_case): Likewise.
8430 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8432 PR rtl-optimization/26254
8433 * loop-invariant.c (seq_insns_valid_p): New function.
8434 (move_invariant_reg): Only emit new code if it is valid.
8436 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8438 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8439 Removed.
8440 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8441 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8442 (commit_one_edge_insertion): Do not look for loop notes.
8444 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8446 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8447 flag_test_coverage out of loop.
8449 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8451 * final.c (shorten_branches): Remove outdated comment, and turn
8452 the if branch that guards it to continue.
8454 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8456 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8457 * cfgloop.h (struct loop): Remove unused fields.
8459 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8461 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8462 (-dL, -fdump-rtl-loop2): Update the dump file names
8464 * doc/invoke.texi: Update dump file names.
8466 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8468 * predict.c (estimate_probability): Remove.
8469 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8470 * basic-block.h (estimate_probability): Remove prototype.
8471 * passes.c (finish_optimization_passes): Dump branch prediction or
8472 profiling heuristics to the .profile tree dump.
8473 (init_optimization_passes): Unqueue pass_branch_prob.
8475 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8477 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8479 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8480 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8482 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8484 * function.h (frame_offset_overflow): Declare.
8485 * function.c (frame_offset_overflow): New function.
8486 (assign_stack_local_1): Call it to detect that the offset overflows.
8487 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8489 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8491 * config/sh/sh.c: Include alloc-pool.h.
8492 (label_ref_list_pool): New alloc pool.
8493 (label_ref_list_t): New type for lists of labels.
8494 (struct pool_node): Make wend a label_ref_list_t.
8495 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8496 references.
8497 (dump_table): Likewise.
8498 (sh_reorg): Set up the alloc pool before using add_constant and
8499 dump_table, and destroy it when finishing.
8501 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8503 * config/mips/mips.c: Remove redundant comment.
8505 2006-03-10 Jason Merrill <jason@redhat.com>
8507 PR c/26004
8508 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8509 the target was declared 'register'.
8511 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8513 * genpreds.c (write_insn_constraint_len): Change definition of
8514 insn_constraint_len to return size_t to match the declaration.
8516 2006-03-10 DJ Delorie <dj@redhat.com>
8518 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8519 start at zero.
8520 (m32c_expand_insv): Fix test for an AND mask.
8522 2006-03-10 Richard Guenther <rguenther@suse.de>
8524 PR middle-end/26565
8525 * builtins.c (get_pointer_alignment): Handle component
8526 references for field alignment.
8528 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8530 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8531 when building with libgloss.
8532 (sh*elf): Implement --without-fp option.
8533 (sh64-superh-linux*): Don't multilib.
8535 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8537 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8539 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8541 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8542 Set it when one of the replacement functions returned true.
8543 Return TODO_cleanup_cfg if cfgchanged is true.
8544 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8546 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8548 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8549 instead of gen_lowpart.
8551 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8553 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8554 interface.
8555 (mips_output_order_conditional_branch): Declare.
8556 * config/mips/mips.h (MIPS_BRANCH): New macro.
8557 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8558 for the comparison. Use gen_condjump.
8559 (mips_output_conditional_branch): Rework interface to take the
8560 asm templates for a direct branch and the inverse of a direct branch.
8561 (mips_output_order_conditional_branch): New function.
8562 (mips_builtin_branch_and_move): New function.
8563 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8564 branch condition. Use gen_single_cc as the condition for
8565 __builtin_mips_upper_* or __builtin_mips_lower_*.
8566 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8567 Use VOIDmode for the branch condition.
8568 * config/mips/predicates.md (order_operator): New predicate.
8569 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8570 (branch_fp): Rename to...
8571 (*branch_fp): ...this. Remove mode from comparison operator.
8572 Use new mips_output_conditional_branch interface.
8573 (branch_fp_inverted): Rename to...
8574 (*branch_fp_inverted): ...this and update as for *branch_fp.
8575 (*branch_zero<mode>): Rename to...
8576 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8577 Use mips_output_order_conditional_branch. Only accept ordered
8578 comparisons.
8579 (*branch_zero<mode>_inverted): Rename to...
8580 (*branch_order<mode>_inverted): ...this and update as for
8581 *branch_order<mode>.
8582 (*branch_equality<mode>): Accept zero as the second operand to
8583 the equality operator. Use the new mips_output_conditional_branch
8584 interface.
8585 (*branch_equality<mode>_inverted): Likewise.
8586 (condjump): New expander.
8587 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8588 operator.
8589 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8590 (bc1any2t, bc1any2f): Likewise.
8591 (single_cc): New expander.
8592 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8594 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8596 * doc/md.texi: Update documentation of MIPS constraints.
8597 * config/mips/constraints.md: New file.
8598 * config/mips/mips.md: Include it.
8599 * config/mips/mips.c (mips_char_to_class): Delete.
8600 (override_options): Don't initialize mips_char_to_class.
8601 * config/mips/mips.h (mips_char_to_class): Delete.
8602 (REG_CLASS_FROM_LETTER): Delete.
8603 (CONST_OK_FOR_LETTER_P): Delete.
8604 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8605 (EXTRA_CONSTRAINT_Y): Delete.
8606 (EXTRA_CONSTRAINT_STR): Delete.
8607 (CONSTRAINT_LEN): Delete.
8608 (EXTRA_MEMORY_CONSTRAINT): Delete.
8610 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8612 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8613 original fn's eh regions.
8615 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8617 * fold-const.c (build_range_check): Make sure to use a valid type to
8618 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8619 transformation.
8621 (range_predecessor): New static function.
8622 (range_successor): Likewise.
8623 (merge_ranges): Use them to compute predecessors and successors of
8624 range bounds.
8626 2006-03-09 Roger Sayle <roger@eyesopen.com>
8628 PR middle-end/26561
8629 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8630 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8632 2006-03-08 DJ Delorie <dj@redhat.com>
8634 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8635 (addpsi3): Expand to include memory operands. Remove
8636 reload-specific splits.
8637 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8638 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8639 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8640 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8641 (shift1_qi, shift1_hi, insv): New.
8642 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8643 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8644 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8645 cond_to_int): New.
8646 * config/m32c/m32c-protos.h: Update as needed.
8647 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8648 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8649 Fail for unrecognized R* constraints.
8650 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8651 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8652 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8653 Add Sp constraint.
8654 (m32c_init_libfuncs): New.
8655 (m32c_legitimate_address_p): Add debug wrapper.
8656 (m32c_rtx_costs): New.
8657 (m32c_address_cost): New.
8658 (conversions): Add 'B' prefix.
8659 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8660 operands, or word regnames for QI operands. 'B' prints bit
8661 position.
8662 (m32c_expand_setmemhi): New.
8663 (m32c_expand_movmemhi): New.
8664 (m32c_expand_movstr): New.
8665 (m32c_expand_cmpstr): New.
8666 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8667 (m32c_expand_neg_mulpsi3): Handle non-ints.
8668 (m32c_cmp_flg_0): New.
8669 (m32c_expand_movcc): New.
8670 (m32c_expand_insv): New.
8671 (m32c_scc_pattern): New.
8672 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8673 a0/a1 out of SIregs.
8674 (STORE_FLAG_VALUE): New.
8675 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8676 code macros.
8677 (no_insn): New.
8678 * config/m32c/mov.md: Make constraints more liberal.
8679 (zero_extendqihi2): Optimize r0/r1 case.
8680 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8681 * config/m32c/predicates.md (m32c_any_operand): New.
8682 (m32c_nonimmediate_operand): New.
8683 (m32c_hl_operand): New.
8684 (m32c_r3_operand): New.
8685 (ap_operand): New.
8686 (ma_operand): New.
8687 (memsym_operand): New.
8688 (memimmed_operand): New.
8689 (a_qi_operand): New.
8690 (m32c_eqne_operator): New.
8691 (m32c_1bit8_operand): New.
8692 (m32c_1bit16_operand): New.
8693 (m32c_1mask8_operand): New.
8694 (m32c_1mask16_operand): New.
8695 * config/m32c/blkmov.md: New file.
8696 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8698 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8700 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8701 unsigned to fix signed/unsigned comparison issue in
8702 DWARF2_FRAME_REG_OUT.
8703 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8704 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8706 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8707 of ptr into the ENABLE_CHECKING section.
8709 2006-03-08 Jeff Law <law@redhat.com>
8711 * tree-vrp.c (infer_value_range): Only count pointer uses
8712 and dereferences if -fdelete-null-pointer-checks is enabled.
8714 * tree-vrp.c (find_assert_locations): Infer value ranges for
8715 single use pointers, but do not create ASSERT_EXPRs for them.
8716 When a non-null range is inferred for a pointer, backwards
8717 propagate that range to other equivalent pointers through the
8718 use-def chain.
8720 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8722 PR bootstrap/26500
8723 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8724 language hook targets.
8725 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8726 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8727 if language hook targets were missing.
8729 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8731 * tree-ssa-opfinalize.h: Removed.
8732 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8733 dependency.
8734 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8735 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8736 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8737 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8738 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8739 finalize_ssa_v_must_def_ops): New.
8741 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8743 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8744 block as parameter.
8746 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8748 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8750 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8751 addresses with offsets; reorganize.
8753 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8754 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8755 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8757 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8759 PR target/26588
8760 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8762 2006-03-08 Ben Elliston <bje@au.ibm.com>
8764 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8766 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8768 PR gomp/26238
8769 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8770 expansion.
8772 2006-03-07 Richard Guenther <rguenther@suse.de>
8774 PR tree-optimization/26587
8775 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8777 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8779 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8781 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8783 * hooks.c (hook_bool_mode_rtx_true): New function.
8784 * hooks.h (hook_bool_mode_rtx_true): Declare.
8785 * toplev.c (compile_file): Call output_shared_constant_pool.
8786 * varasm.c (shared_constant_pool): New variable.
8787 (assemble_start_function, assemble_end_function): Remove arguments
8788 from call to output_constant_pool.
8789 (create_constant_pool): New function, split out from...
8790 (init_varasm_status): ...here.
8791 (force_const_mem): Choose between the shared and per-function constant
8792 pools. Set current_function_uses_const_pool when reusing old entries
8793 as well as when creating new ones.
8794 (mark_constant): Ignore data argument.
8795 (mark_constants): Remove pool argument.
8796 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8797 to decide whether the function uses a constant pool.
8798 (output_constant_pool_contents): New function, split out from...
8799 (output_constant_pool): ...here.
8800 (output_shared_constant_pool): New function.
8801 (init_varasm_once): Initialize shared_constant_pool.
8802 * output.h (output_constant_pool): Delete.
8803 (output_shared_constant_pool): Declare.
8804 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8805 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8807 2006-03-06 Nick Clifton <nickc@redhat.com>
8809 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8810 flag_strength_reduce.
8812 2006-03-06 Ben Elliston <bje@au.ibm.com>
8814 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8815 x86_64-*-linux* configurations.
8817 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8818 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8820 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8822 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8823 Remove.
8824 * basic-block.h: Remove the extern for
8825 rediscover_loops_after_threading.
8827 * cfgloop.c (cancel_loop): Make it static.
8828 * cfgloop.h: Remove the prototype for cancel_loop.
8830 * flow.c (recompute_reg_usage): Make it static.
8831 * rtl.h: Remove the prototype for recompute_reg_usage.
8833 * function.c (use_return_register): Make it static.
8834 * function.h: Remove the prototype.
8836 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8838 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8839 Remove.
8840 * recog.h: Remove the prototype for
8841 validate_change_maybe_volatile.
8843 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8845 * rtlanal.c (replace_reg): Remove.
8846 * rtl.h: Remove the prototype for replace_reg.
8848 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8850 * regclass.c (reg_scan_update): Remove.
8851 (reg_scan_mark_refs): Remove the last argument.
8852 * rtl.h: Remove the prototype for reg_scan_update.
8854 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8856 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8857 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8858 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8859 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8860 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8861 loop-invariant.c, omp-low.c, opts.c, passes.c,
8862 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8863 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8864 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8865 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8866 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8867 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8869 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8871 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8872 * dwarf2out.h: Remove the prototype for
8873 dwarf2out_add_library_unit_info.
8875 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8877 * tree.c (add_var_to_bind_expr): Remove.
8878 * tree.h: Remove the prototype for add_var_to_bind_expr.
8880 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8882 * regclass.c (n_non_fixed_regs): Remove.
8883 (init_reg_sets_1, globalize_reg): Remove all uses of
8884 n_non_fixed_regs.
8885 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8887 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8889 * rtlanal.c (insns_safe_to_move_p): Remove.
8890 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8892 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8894 * expmed.c (expand_mult_add): Remove.
8895 * expr.h: Remove the prototype for expand_mult_add.
8897 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8899 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8900 and REG_SAVED_VAL_EXP constants.
8901 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8902 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8903 Handle regs stored by value.
8904 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8905 (execute_cfa_program): Handle DW_CFA_val_offset,
8906 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8907 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8908 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8909 (uw_install_context_1): Handle target regs stored by value.
8911 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8913 * tree-sra.c (tree_sra): Return todoflags;
8914 (generate_one_element): Set TODO_update_smt_usage if needed.
8915 (pass_sra): Remove TODO_update_smt_usage.
8916 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8917 parameter.
8918 (tree_ssa_forward_propagate_single_use_vars): Return
8919 TODO_update_smt_usage if we need to update SMT usage.
8920 (pass_forwprop): Remove TODO_update_smt_usage.
8922 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8924 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8925 (correct_use_link): Remove reference to get_stmt_operands.
8926 (update_stmt_operands): Likewise.
8927 (get_modify_expr_operands): New function factored out of
8928 parse_ssa_operands and get_expr_operands.
8929 Try to create V_MUST_DEFs for LHS by default.
8930 (get_expr_operands) <case MODIFY_EXPR>: Call
8931 get_modify_expr_operands.
8932 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8933 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8934 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8935 get_modify_expr_operands.
8937 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8939 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8940 * tree-flow.h: Remove the prototype for
8941 referenced_var_lookup_if_exists.
8943 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8945 PR rtl-optimization/26345
8946 PR target/19061
8947 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8949 2006-03-03 Roger Sayle <roger@eyesopen.com>
8951 PR tree-optimization/26524
8952 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8953 fold_convert to create a constant of the appropriate type.
8955 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8957 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8958 SYMBOL_REF_IN_BLOCK_P.
8959 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8960 of SYMBOL_FLAG_IN_BLOCK.
8961 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8962 instead of SYMBOL_REF_IN_BLOCK_P.
8963 * explow.c (use_anchored_address): Likewise.
8964 * rtl.c (rtx_size): Likewise.
8965 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8966 instead of SYMBOL_FLAG_IN_BLOCK.
8967 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8968 SYMBOL_REF_IN_BLOCK_P.
8969 (assemble_variable): Likewise.
8970 (output_constant_def_contents): Likewise.
8971 (output_constant_pool): Likewise.
8972 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8973 instead of SYMBOL_FLAG_IN_BLOCK.
8974 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8975 SYMBOL_REF_IN_BLOCK_P.
8976 (SYMBOL_REF_BLOCK): Likewise.
8977 (SYMBOL_REF_OFFSET): Likewise.
8978 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8979 SYMBOL_REF_IN_BLOCK_P.
8980 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8981 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8982 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8983 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8985 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8987 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8989 2006-03-02 Roger Sayle <roger@eyesopen.com>
8991 * simplify-rtx.c (simplify_unary_operation): When simplifying
8992 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8993 that we perform the right shift in the appropriate mode, and
8994 then extend or truncate the result to requested mode.
8996 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8998 * gengtype.c (main): Handle double_int type.
8999 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9000 * double-int.c: New file.
9001 * double-int.h: New file.
9002 * system.h: Include doubleint.h.
9003 * Makefile.in (SYSTEM_H): Include double-int.h.
9004 (double-int.o): Add.
9006 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9008 PR bootstrap/26478
9009 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9010 copying over it.
9012 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9014 * tree-vrp.c (remove_range_assertions): Do not update statements
9015 unnecessarily.
9017 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9019 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9020 cleanup.
9021 * gcse.c (rest_of_handle_gcse): Ditto.
9022 * except.c (gate_handle_eh): Ditto.
9023 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9024 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9026 2006-03-02 Eric Christopher <echristo@apple.com>
9028 * config/i386/i386.c (machopic_output_stub): Add indirection to
9029 jump.
9031 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9033 * loop.c: Removed.
9035 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9037 Sun Niagara specific optimizations.
9038 * config.gcc: Recognize niagara as target.
9039 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9040 (TARGET_CPU_niagara): Define.
9041 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9042 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9043 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9044 (ASM_CPU_SPEC): Likewise.
9045 (PROCESSOR_NIAGARA): New enum entry.
9046 (REGISTER_MOVE_COST): Handle Niagara.
9047 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9048 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9049 (sparc_override_options): Recognize "niagara", set appropriate
9050 default MASK_* values for it, and align functions to 32-bytes
9051 by default just like ULTRASPARC/ULTRASPARC3.
9052 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9053 (sparc64_initialize_trampoline): Likewise.
9054 (sparc_use_sched_lookahead): Use zero for niagara.
9055 (sparc_issue_rate): Use one for niagara.
9056 * config/sparc/niagara.md: New file.
9057 * config/sparc/sparc.md: Include it.
9058 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9059 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9060 when default cpu is niagara.
9061 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9062 (ASM_CPU_SPEC): Likewise.
9063 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9064 when default cpu is niagara.
9065 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9066 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9067 just like v9/ultrasparc/ultrasparc3.
9068 * doc/invoke.texi: Add documentation for "niagara" and improve
9069 existing documentation for ultrasparc variants.
9071 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9073 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9075 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9077 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9078 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9079 and say that only one is needed.
9080 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9081 * target.h (have_switchable_bss_sections): New hook.
9082 * explow.c (use_anchored_address): Check that the symbol is in a block.
9083 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9084 (bss_noswitch_section): New variables.
9085 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9086 (get_noswitch_section): New function.
9087 (get_block_for_section): Allow SECT to be null.
9088 (unlikely_text_section_p): Use SECTION_STYLE.
9089 (bss_initializer_p): New function.
9090 (get_variable_section): Move earlier in file. Take a new argument,
9091 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9092 Return one of the new *_sections in such cases.
9093 (get_block_for_decl): New function, extracting some logic from
9094 use_blocks_for_decl_p.
9095 (change_symbol_section): Remove in favor of...
9096 (change_symbol_block): ...this new function.
9097 (use_blocks_for_decl_p): Remove checks now performed by
9098 get_block_for_decl.
9099 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9100 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9101 (emit_local, emit_bss, emit_common): ...these new functions.
9102 Return true if the alignment was honored.
9103 (emit_tls_common): New function.
9104 (asm_emit_uninitialised): Delete.
9105 (assemble_variable_noswitch): New function, split out from...
9106 (assemble_variable): ...here. Don't make decisions about common
9107 variables here. Globalize all public decls that go into non-common
9108 sections. Check whether SYMBOL_REF_BLOCK is null.
9109 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9110 (output_constant_pool): Likewise.
9111 (init_varasm_once): Initialize the new section variables.
9112 (have_global_bss_p): New function.
9113 (categorize_decl_for_section): Use bss_initializer_p.
9114 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9115 (place_block_symbol): Assert that the symbol must be in a block.
9116 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9117 (TARGET_INITIALIZER): Include it.
9118 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9119 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9120 (SECTION_MACH_DEP): Bump by two.
9121 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9122 (unnamed_section): Mention SECTION_UNNAMED in comment.
9123 (named_section): Likewise SECTION_NAMED.
9124 (noswitch_section_callback): New type.
9125 (noswitch_section): New structure.
9126 (section): Add a noswitch_section alternative.
9127 (SECTION_STYLE): New macro.
9128 (tls_comm_section, comm_section, lcomm_section): Declare.
9129 (bss_noswitch_section, have_global_bss_p): Declare.
9130 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9131 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9132 Override.
9133 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9134 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9135 Override.
9137 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9139 * tree-vrp.c (execute_vrp): Return value.
9140 * regrename.c (rest_of_handle_regrename): Ditto.
9141 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9142 * tree-complex.c (tree_lower_complex): Ditto.
9143 (tree_lower_complex_O0): Ditto.
9144 * tracer.c (rest_of_handle_tracer): Ditto.
9145 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9146 * postreload.c (rest_of_handle_postreload): Ditto.
9147 * tree-tailcall.c (execute_tail_recursion): Ditto.
9148 (execute_tail_calls): Ditto.
9149 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9150 * tree.h (init_function_for_compilation): Ditto.
9151 * ipa-cp.c (ipcp_driver): Ditto.
9152 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9153 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9154 * final.c (compute_alignments): Ditto.
9155 (rest_of_handle_final): Ditto.
9156 (rest_of_handle_shorten_branches): Ditto.
9157 (rest_of_clean_state): Ditto.
9158 * omp-low.c (execute_expand_omp): Ditto.
9159 (execute_lower_omp): Ditto.
9160 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9161 * ipa-reference.c (static_execute): Ditto.
9162 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9163 * reorg.c (rest_of_handle_delay_slots): Ditto.
9164 (rest_of_handle_machine_reorg): Ditto.
9165 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9166 * flow.c (recompute_reg_usage): Ditto.
9167 (rest_of_handle_remove_death_notes): Ditto.
9168 (rest_of_handle_life): Ditto.
9169 (rest_of_handle_flow2): Ditto.
9170 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9171 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9172 (do_ssa_store_ccp): Ditto.
9173 (execute_fold_all_builtins): Ditto.
9174 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9175 * modulo-sched.c (rest_of_handle_sms): Ditto.
9176 * ipa-pure-const.c (static_execute): Ditto.
9177 * cse.c (rest_of_handle_cse): Ditto.
9178 (rest_of_handle_cse2): Ditto.
9179 * web.c (rest_of_handle_web): Ditto.
9180 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9181 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9182 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9183 * tree-nrv.c (tree_nrv): Ditto.
9184 (execute_return_slot_opt): Ditto.
9185 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9186 (create_structure_vars): Ditto.
9187 * loop-init.c (rtl_loop_init): Ditto.
9188 (rtl_loop_done): Ditto.
9189 (rtl_move_loop_invariants): Ditto.
9190 (rtl_unswitch): Ditto.
9191 (rtl_unroll_and_peel_loops): Ditto.
9192 (rtl_doloop): Ditto.
9193 * gimple-low.c (lower_function_body): Ditto.
9194 (mark_used_blocks): Ditto.
9195 * tree-ssa-sink.c (execute_sink_code): Ditto.
9196 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9197 (cgraph_early_inlining): Ditto.
9198 * global.c (rest_of_handle_global_alloc): Ditto.
9199 * jump.c (cleanup_barriers): Ditto.
9200 (purge_line_number_notes): Ditto.
9201 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9202 (rest_of_handle_if_after_reload): Ditto.
9203 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9204 (tree_ssa_loop_im): Ditto.
9205 (tree_ssa_loop_unswitch): Ditto.
9206 (tree_vectorize): Ditto.
9207 (tree_linear_transform): Ditto.
9208 (tree_ssa_loop_ivcanon): Ditto.
9209 (tree_ssa_empty_loop): Ditto.
9210 (tree_ssa_loop_bounds): Ditto.
9211 (tree_complete_unroll): Ditto.
9212 (tree_ssa_loop_prefetch): Ditto.
9213 (tree_ssa_loop_ivopts): Ditto.
9214 (tree_ssa_loop_done): Ditto.
9215 * predict.c (tree_estimate_probability): Ditto.
9216 * recog.c (split_all_insns_noflow): Ditto.
9217 (rest_of_handle_peephole2): Ditto.
9218 (rest_of_handle_split_all_insns): Ditto.
9219 * tree-eh.c (lower_eh_constructs): Ditto.
9220 * regmove.c (rest_of_handle_regmove): Ditto.
9221 (rest_of_handle_stack_adjustments): Ditto.
9222 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9223 * function.c (instantiate_virtual_regs): Ditto.
9224 (init_function_for_compilation): Ditto.
9225 (rest_of_handle_check_leaf_regs): Ditto.
9226 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9227 (rest_of_handle_gcse): Ditto.
9228 * ipa-type-escape.c (type_escape_execute): Ditto.
9229 * alias.c (rest_of_handle_cfg): Ditto.
9230 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9231 * profile.c (rest_of_handle_branch_prob): Ditto.
9232 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9233 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9234 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9235 * tree-dfa.c (find_referenced_vars): Ditto.
9236 * except.c (set_nothrow_function_flags): Ditto.
9237 (convert_to_eh_region_ranges): Ditto.
9238 (rest_of_handle_eh): Ditto.
9239 * emit-rtl.c (unshare_all_rtl): Ditto.
9240 (remove_unnecessary_notes): Ditto.
9241 * except.h (set_nothrow_function_flags): Ditto.
9242 (convert_to_eh_region_ranges): Ditto.
9243 * cfgexpand.c (tree_expand_cfg): Ditto.
9244 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9245 * tree-ssa-pre.c (do_pre): Ditto.
9246 (execute_fre): Ditto.
9247 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9248 (rest_of_handle_jump2): Ditto.
9249 * tree-sra.c (tree_sra): Ditto.
9250 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9251 (execute_mudflap_function_decls): Ditto.
9252 * tree-ssa-copy.c (do_copy_prop): Ditto.
9253 (do_store_copy_prop): Ditto.
9254 * ipa-prop.h (ipcp_driver): Ditto.
9255 * cfglayout.c (insn_locators_initialize): Ditto.
9256 * tree-ssa-forwprop.c
9257 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9258 * cfglayout.h (insn_locators_initialize): Ditto.
9259 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9260 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9261 (execute_late_warn_uninitialized): Ditto.
9262 * rtl.h (cleanup_barriers): Ditto.
9263 (split_all_insns_noflow): Ditto.
9264 (purge_line_number_notes): Ditto.
9265 (unshare_all_rtl): Ditto.
9266 (remove_unnecessary_notes): Ditto.
9267 (recompute_reg_usage): Ditto.
9268 (variable_tracking_main): Ditto.
9269 * integrate.c (emit_initial_value_sets): Ditto.
9270 * integrate.h (emit_initial_value_sets): Ditto.
9271 * tree-optimize.c (execute_free_datastructures): Ditto
9272 (execute_free_cfg_annotations): Ditto.
9273 (execute_fixup_cfg): Ditto.
9274 (execute_cleanup_cfg_pre_ipa): Ditto.
9275 (execute_cleanup_cfg_post_optimizing): Ditto.
9276 (execute_init_datastructures): Ditto.
9277 * tree-object-size.c (compute_object_sizes): Ditto.
9278 * combine.c (rest_of_handle_combine): Ditto.
9279 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9280 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9281 (rest_of_handle_reorder_blocks): Ditto.
9282 (rest_of_handle_partition_blocks): Ditto.
9283 * var-tracking.c (variable_tracking_main): Ditto.
9284 * tree-profile.c (tree_profiling): Ditto.
9285 * tree-vect-generic.c (expand_vector_operations): Ditto.
9286 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9287 * sched-rgn.c (rest_of_handle_sched): Ditto.
9288 (rest_of_handle_sched2): Ditto.
9289 * basic-block.h (free_bb_insn): Ditto.
9290 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9291 * tree-cfg.c (execute_build_cfg): Ditto.
9292 (remove_useless_stmts): Ditto.
9293 (split_critical_edges): Ditto.
9294 (execute_warn_function_return): Ditto.
9295 (execute_warn_function_noreturn): Ditto.
9296 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9297 * cfgrtl.c (free_bb_for_insn): Ditto.
9298 * passes.c (execute_one_pass): Run additional
9299 todos returned by execute function.
9300 * tree-pass.h (struct tree_opt_pass): Make execute
9301 return a value.
9303 2006-03-02 Richard Guenther <rguenther@suse.de>
9305 * tree-ssa-alias.c (find_used_portions): Consider taking
9306 the address as making the variable not write-only.
9308 2006-03-02 Nick Clifton <nickc@redhat.com>
9310 * config.gcc (default_use_cxa_atexit): Extend the description of
9311 this configure variable. Set its default value to "yes" for
9312 Linux, NetBSD and ELF targets on the assumption that they will
9313 use C libraries with the __cxa_atexit function.
9315 2006-03-02 Ben Elliston <bje@au.ibm.com>
9317 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9318 parameter as unused to suppress a build warning.
9320 2006-03-02 Ben Elliston <bje@au.ibm.com>
9322 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9323 config/dfp-bit.c.
9325 2006-03-01 Roger Sayle <roger@eyesopen.com>
9327 PR other/26489
9328 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9329 declared name, the weak reference name, and the typeof name.
9330 (__gthrw): Avoid expanding the declared name suffix.
9331 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9333 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9335 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9336 from DWARF 3.
9337 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9338 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9339 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9340 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9341 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9342 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9343 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9344 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9345 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9346 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9347 (DW_END_default, DW_END_big, DW_END_little): New.
9348 (DW_END_lo_user, DW_END_hi_user): Define.
9349 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9350 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9351 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9352 DW_LANG_D): New.
9354 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9356 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9357 Update all users.
9358 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9359 Update all users.
9360 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9361 Update all users.
9362 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9363 Update all users.
9364 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9365 to 'symbol_mem_tag'.
9366 Update all users.
9367 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9368 rename.
9370 2006-03-01 Roger Sayle <roger@eyesopen.com>
9372 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9374 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9376 PR target/25761
9377 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9378 MACHO_DYNAMIC_NO_PIC_P.
9379 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9381 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9383 PR target/26389
9384 * config/darwin-protos.h (darwin_asm_output_anchor):
9385 Declare.
9386 * config/darwin-sections.def (cstring_section):
9387 Add SECTION_MERGE to the flags.
9388 (literal4_section): Likewise.
9389 (literal8_section): Likewise.
9390 (objc_selector_refs_section): Likewise.
9391 (objc_cls_refs_section): Likewise.
9392 * config/darwin.c (darwin_asm_output_anchor): New
9393 function.
9394 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9396 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9398 Fix PR tree-optimization/26443
9399 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9400 to todo and PROP_tmt_usage to properties_destroyed.
9401 * tree-ssa-ccp.c (pass_ccp): Ditto.
9402 (pass_store_ccp): Ditto.
9403 * tree-ssa-dom.c (pass_dominator): Ditto.
9405 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9407 * tree-ssa-operands.c: Cleanup whitespace.
9408 (get_asm_expr_operands): Move before first invocation.
9409 (get_indirect_ref_operands): Likewise.
9410 (get_tmr_operands): Likewise.
9411 (get_call_expr_operands): Likewise.
9412 (append_def): Likewise.
9413 (append_use): Likewise.
9414 (append_v_may_def): Likewise.
9415 (append_v_must_def): Likewise.
9416 (add_call_clobber_ops): Likewise.
9417 (add_call_read_ops): Likewise.
9418 (add_stmt_operand): Likewise.
9419 (add_virtual_operand): Likewise.
9420 (build_ssa_operands): Likewise.
9422 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9424 PR middle-end/26022
9425 Revert:
9426 PR middle-end/24437
9427 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9428 with a call expr to ...
9429 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9431 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9433 * tree-vrp.c (extract_range_from_assert): Remove special
9434 handling for types with super-types.
9436 2006-03-01 Ben Elliston <bje@au.ibm.com>
9438 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9439 and powerpc64-*-linux* configurations.
9440 * config/t-dfprules: New file.
9442 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9443 Compile dfp-bit.c from the source directory using -DWIDTH and
9444 $DFP_CFLAGS to control the compilation of that file, rather than
9445 generating width-specific versions in the build directory.
9446 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9447 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9449 2006-02-28 Zack Weinberg <zackw@panix.com>
9451 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9452 continues to work.
9454 2006-02-28 Eric Christopher <echristo@apple.com>
9456 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9457 Set up IN_LIBGCC definition of TARGET_64BIT.
9458 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9460 2006-02-28 Roger Sayle <roger@eyesopen.com>
9462 PR middle-end/14752
9463 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9464 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9465 cases via the construction of "expr != 0".
9467 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9469 * alias.c (alias_invariant, alias_invariant_size): Remove.
9470 (record_base_value): Remove.
9471 (memrefs_conflict_p): Don't look at alias_invariant.
9472 (end_alias_analysis): Don't free it.
9473 * alias.h (record_base_value): Remove prototype.
9475 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9476 Adam Nemet <anemet@caviumnetworks.com>
9478 * rtl.h (truncated_to_mode): Declare it.
9479 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9480 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9481 (RTL_HOOKS_INITIALIZER): Include it.
9482 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9483 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9484 reg_truncated_to_mode.
9485 * rtlanal.c (truncated_to_mode): Define it.
9486 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9488 2006-02-28 Jeff Law <law@redhat.com>
9490 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9491 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9492 the range allowed by TYPE_PRECISION.
9494 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9496 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9498 PR tree-optimization/26419
9499 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9500 values of n.
9502 2006-02-27 Zack Weinberg <zackw@panix.com>
9504 * doc/md.texi: Fix typo in previous change.
9506 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9508 * df.c: Remove.
9510 2006-02-27 Zack Weinberg <zackw@panix.com>
9512 * rtl.def (define_constraint, define_register_constraint)
9513 (define_memory_constraint, define_address_constraint): New MD forms.
9514 * gensupport.c (process_rtx): Put define_constraint etc on the
9515 predicate queue.
9516 * genpreds.c (process_define_predicate): Adjust comment. Validate
9517 the name, and call validate_exp to validate the expression.
9518 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9519 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9520 all callers changed.
9521 (validate_exp, needs_variable, struct constraint_data)
9522 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9523 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9524 (const_dbl_constraints, constraint_max_namelen)
9525 (have_register_constraints, have_memory_constraints)
9526 (have_address_constraints, have_address_constraints)
9527 (have_extra_constraints, have_const_int_constraints)
9528 (have_const_dbl_constraints, mangle, add_constraint)
9529 (process_define_constraint, process_define_register_constraint)
9530 (write_enum_constraint_num, write_lookup_constraint)
9531 (write_insn_constraint_len, write_regclass_for_constraint)
9532 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9533 (write_insn_extra_memory_constraint)
9534 (write_insn_extra_address_constraint)
9535 (write_satisfies_constraint_fns): New.
9536 (write_tm_preds_h): If we have new-style constraint definitions,
9537 prototype the functions generated from them, and define the
9538 old constraint interface (still used by generic code) in terms of
9539 those functions.
9540 (write_insn_preds_c): If we have new-style constraint definitions,
9541 generate all relevant functions from those definitions.
9542 (main): Handle define_constraint etc.
9543 * genoutput.c (struct constraint_data, indep_constraints)
9544 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9545 (mdep_constraint_len): New data structures and functions, defined
9546 #ifdef USE_MD_CONSTRAINTS.
9547 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9548 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9549 use new logic to validate operand constraints against constraint
9550 definitions.
9551 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9552 defined.
9553 * defaults.h: If none of the old-style constraint macros are
9554 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9555 old-style macros; and poison REG_CLASS_FROM_LETTER,
9556 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9557 EXTRA_CONSTRAINT.
9558 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9559 * doc/md.texi: Document new constraint-definition mechanism and the
9560 C interface it provides. Remove references to old mechanism
9561 elsewhere in the document.
9562 (Machine Constraints): Use pathnames relative to gcc directory,
9563 i.e. config/ARCH/FILE. Change i386 section to refer to
9564 config/i386/predicates.md; update that section to match docstrings.
9565 * doc/tm.texi: Move all documentation of the old constraint-
9566 definition macros to their own section, clearly mark as obsolete.
9568 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9569 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9570 definitions.
9571 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9572 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9573 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9574 constraint strings.
9575 (splits and peepholes): Use satisfies_constraint_*.
9576 * config/i386/i386.c (memory_address_length)
9577 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9579 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9581 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9582 scalar operation to be put back into the loop.
9584 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9586 PR other/26208
9587 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9588 (extract_cie_info): Handle S flag in augmentation string.
9589 (execute_cfa_program): If context->signal_frame, execute also
9590 fs->pc == context->ra instructions.
9591 (uw_frame_state_for): If context->signal_frame, don't subtract one
9592 from context->ra to find FDE.
9593 (uw_update_context_1): Set context->signal_frame to
9594 fs->signal_frame.
9595 (_Unwind_GetIPInfo): New function.
9596 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9597 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9598 of _Unwind_GetIP.
9599 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9600 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9601 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9602 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9603 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9604 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9605 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9606 x86_64_fallback_frame_state): Set fs->signal_frame.
9607 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9608 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9609 (frob_update_context): Likewise. Workaround missing S flag in
9610 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9611 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9612 Remove the psw_addr + 1 hack.
9614 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9616 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9617 with aggregates here.
9618 (find_func_aliases): Remove code for &<aggregate> from here.
9620 2006-02-26 Roger Sayle <roger@eyesopen.com>
9622 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9623 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9624 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9625 as (X & C) ne/eq 0.
9627 2006-02-26 Roger Sayle <roger@eyesopen.com>
9629 PR middle-end/19983
9630 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9632 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9634 * opts.c (decode_options): Do not handle flag_strength_reduce.
9635 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9636 and OPT_fstrength_reduce.
9637 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9638 flag_prefetch_loop_arrays for being nonzero.
9639 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9640 no-ops.
9641 (fprefetch-loop-arrays-rtl): Removed.
9642 (flag_prefetch_loop_arrays): Do not specify the value.
9644 * doc/passes.texi: Update documentation of loop optimizer
9645 passes.
9646 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9647 -frerun-loop-opt): Remove.
9649 2006-02-26 Richard Guenther <rguenther@suse.de>
9651 PR tree-optimization/26421
9652 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9653 in function calls that are ADDR_EXPRs as using the whole structure.
9655 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9657 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9658 * tree-pass.h (pass_loop_optimize): Remove.
9659 * passes.c (pass_loop_optimize): Never run it.
9660 * toplev.c (backend_init): Don't call init_loop.
9661 * opts.c (flag_loop_optimize_set): Remove.
9662 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9663 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9664 the old RTL loop optimizer when profiling enabled.
9665 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9666 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9667 pre-headers for the sake of the old RTL loop optimizer.
9668 * Makefile.in: Remove all references to loop.o.
9670 * doc/invoke.texi: Remove all references to -floop-optimize
9671 and -frerun-loop-opt.
9673 2006-02-26 Zack Weinberg <zackw@panix.com>
9675 * doc/md.texi (Machine Constraints): Refer to all files with paths
9676 relative to gcc directory (i.e. config/CPU/file). Add missing
9677 @table @code ... @end table to M32C subsection.
9679 2006-02-26 Roger Sayle <roger@eyesopen.com>
9681 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9682 (X & 1) == 0.
9683 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9685 2006-02-26 Roger Sayle <roger@eyesopen.com>
9686 James A. Morrison <phython@gcc.gnu.org>
9688 PR middle-end/21137
9689 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9690 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9691 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9692 signedness of the shift operation.
9694 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9696 PR tree-optimization/26359
9697 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9699 2006-02-25 Roger Sayle <roger@eyesopen.com>
9701 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9702 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9703 as X == 0, and some symmetry related transformations.
9704 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9706 2006-02-25 Roger Sayle <roger@eyesopen.com>
9708 PR middle-end/23673
9709 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9710 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9711 symmetry related transformations. Fold (X^C1) == C2 as
9712 X == (C1^C2).
9714 2006-02-25 Juergen Weigert <jw@suse.de>
9715 Richard Guenther <rguenther@suse.de>
9717 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9719 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9721 * combine.c (gen_lowpart_or_truncate): Call
9722 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9724 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9726 * doc/invoke.texi: Move -fopenmp description to "Options for
9727 Code Generation".
9728 Remove reference to -lgomp.
9730 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9732 * doc/install.texi: Require GNU tar version 1.14.
9734 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9736 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9737 * doc/invoke.texi (C++ Dialect Options): Document
9738 -fno-use-cxa-get-exception-ptr.
9739 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9740 * configure: Regenerate.
9741 * c.opt (fuse-cxa-get-exception-ptr): New.
9742 * c-opts.c (c_common_handle_option): Handle
9743 OPT_fuse_cxa_get_exception_ptr.
9744 * c-common.c (flag_use_cxa_atexit): Update documentation.
9745 (flag_use_cxa_get_exception_ptr): New.
9746 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9747 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9748 documentation.
9749 (C_COMMON_OVERRIDE_OPTIONS): New.
9751 2006-02-24 Roger Sayle <roger@eyesopen.com>
9753 PR middle-end/24952
9754 * combine.c (try_combine): Explicitly check whether GET_CODE is
9755 a SET or a CLOBBER, instead on checking that it isn't a USE.
9757 2006-02-24 Roger Sayle <roger@eyesopen.com>
9759 * fold-const.c (fold_comparison): New subroutine of fold_binary
9760 containing transformations common to both the equality and
9761 ordering relational operators, factored out of fold_binary.
9762 (fold_binary): Separate out the equality operators (EQ_EXPR
9763 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9764 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9765 transformations common to both.
9766 (fold_div_compare): Fix latent bugs in the previously unreachable
9767 LT_EXPR and GE_EXPR cases.
9769 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9771 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9772 decl libname for clog to __clog on AIX.
9774 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9776 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9778 PR target/26453
9779 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9780 output traceback table for thunks. Localise rs6000_stack_info call.
9782 2006-02-23 Roger Sayle <roger@eyesopen.com>
9783 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9785 * gthr-posix.h (__gthrw): Fix typo in comment.
9787 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9789 * doc/cpp.texi (Character sets): Document that we do support
9790 input files to be in any character set.
9792 2006-02-23 Jeff Law <law@redhat.com>
9794 * tree.h (PHI_ARG_NONZERO): Remove.
9795 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9796 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9797 node to the new node.
9799 PR tree-optimization/26425
9800 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9801 min/max, then assume its varying.
9803 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9805 PR rtl-optimization/26316
9806 * rtlanal.c (enum may_trap_p_flags): New.
9807 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9808 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9809 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9810 (may_trap_after_code_motion_p): New function.
9811 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9812 (find_invariant_insn): Use may_trap_after_code_motion_p.
9813 * rtl.h (may_trap_after_code_motion_p): Declare.
9815 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9817 * emit-rtl.c (immed_double_const): Cleanup.
9819 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9821 Fix PR tree-optimization/26376
9822 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9823 remove assert.
9825 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9827 PR middle-end/26412
9828 * gimplify.c (omp_add_variable): Guard variable size decl test with
9829 DECL_SIZE (decl) check.
9831 2006-02-23 Richard Guenther <rguenther@suse.de>
9833 PR middle-end/26439
9834 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9835 like aggregate types.
9837 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9839 * configure.ac: Add --with{,out}-long-double-128 configure option.
9840 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9841 * configure: Rebuilt.
9842 * config.in: Rebuilt.
9843 * doc/install.texi (Options specification): Document
9844 --with-long-double-128.
9846 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9847 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9848 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9849 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9851 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9853 * config/s390/s390.c (override_options): Handle
9854 TARGET_DEFAULT_LONG_DOUBLE_128.
9856 * config/alpha/alpha.c (override_options): Handle
9857 TARGET_DEFAULT_LONG_DOUBLE_128.
9859 * config/sparc/sparc.c (sparc_override_options): Handle
9860 TARGET_DEFAULT_LONG_DOUBLE_128.
9862 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9864 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9865 (real-install-headers-tar, real-install-headers-cpio)
9866 (real-install-headers-cp): New targets.
9868 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9870 * tree.h (variable_section): Delete.
9871 * varasm.c (variable_section): Delete.
9873 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9875 * install.texi: Add notes on install.texi2html.
9876 (Building in parallel): Do not use footnotes.
9878 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9880 PR libgomp/26234
9881 * doc/install.texi (Configuration): Document --disable-libgomp.
9883 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9885 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9887 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9889 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9890 (vec_extractv2df_0_sse): New.
9892 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9894 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9895 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9896 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9897 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9898 to the result of the expression.
9899 (def_cfa_1): Adjust.
9900 (frame_pointer_cfa_offset): Rename to...
9901 (frame_pointer_fb_offset): ... this. Adjust all uses.
9902 (convert_cfa_to_loc_list): Rename to...
9903 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9904 Pass it on to build_cfa_loc.
9905 (compute_frame_pointer_to_cfa_displacement): Rename to...
9906 (compute_frame_pointer_to_fb_displacement): ... this. New
9907 offset parameter. Use it in computation.
9908 (gen_subprogram_die): Compute cfa_fb_offset with the new
9909 macro, and use it to compute the fb loc list and the
9910 displacement.
9912 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9914 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9915 replaced with register_operand.
9916 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9917 non-DREG is expensive.
9918 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9919 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9920 involving memory.
9922 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9924 * doc/install.texi2html: Use set -e.
9926 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9928 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9929 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9930 * doc/invoke.texi (-fshared-data): Delete.
9931 * common.opt (fshared-data): Delete.
9932 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9933 (assemble_static_space): Remove #if 0 code.
9934 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9935 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9936 * config/cris/cris.h: Remove FIXME.
9938 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9940 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9941 hooks.
9943 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9945 PR middle-end/26379
9946 * combine.c (simplify_shift_const_1): Disable nested shifts
9947 optimization for vector shifts.
9949 2006-02-20 Roger Sayle <roger@eyesopen.com>
9951 PR tree-optimization/26361
9952 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9953 of unsigned integer types.
9955 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9957 * tree-chrec.c (eq_evolutions_p): New.
9958 * tree-chrec.h (eq_evolutions_p): Declared.
9959 * tree-data-ref.c: Fix formatting.
9960 (datadep_stats, dependence_stats): New.
9961 (gcd): Moved...
9962 (print_direction_vector): New.
9963 (dump_data_dependence_relation): Use print_direction_vector.
9964 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9965 (compute_subscript_distance): Static.
9966 (initialize_data_dependence_relation): Static. Get the number
9967 of loops surrounding the references from the callers, and initialize
9968 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9969 base_object_differ_p analyzers.
9970 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9971 compute_overlap_steps_for_affine_1_2,
9972 analyze_subscript_affine_affine): Count the classified dependences.
9973 Print a message when a test failed.
9974 (can_use_analyze_subscript_affine_affine): New.
9975 (analyze_siv_subscript): Compute the data dependences on symbolic
9976 scevs that verify can_use_analyze_subscript_affine_affine.
9977 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9978 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9979 Handle symbolic scevs.
9980 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9981 analyzed.
9982 (subscript_dependence_tester): Moved...
9983 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9984 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9985 DDR_SIZE_VECT instead of getting it in parameter.
9986 (subscript_dependence_tester): ... here. Take as a parameter
9987 loop_nest_depth. Call build_classic_dist_vector and
9988 build_classic_dir_vector.
9989 (compute_affine_dependence): Update subscript_dependence_tester
9990 parameters. Update datadep_stats counters. Call
9991 compute_subscript_distance.
9992 (compute_self_dependence): Save the dist and dir vectors. Call
9993 compute_subscript_distance.
9994 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9995 (compute_all_dependences): Reorder parameters as they were before
9996 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9997 compute_subscript_distance. Update the use of
9998 compute_affine_dependence and initialize_data_dependence_relation.
9999 (find_data_references_in_loop): Handle COMPONENT_REF.
10000 (compute_data_dependences_for_loop): Initialize dependence_stats.
10001 Don't call build_classic_dist_vector and build_classic_dir_vector.
10002 Update the parameters of initialize_data_dependence_relation and
10003 compute_all_dependences. Print the statistics from datadep_stats.
10004 (analyze_all_data_dependences): Static. Not used until the pass for
10005 checking the data dependences is contributed.
10006 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10007 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10008 (initialize_data_dependence_relation, compute_affine_dependence,
10009 analyze_all_data_dependences, compute_subscript_distance): Removed.
10010 (print_direction_vector): New.
10011 * lambda.h (gcd): ... here.
10012 (lambda_vector_gcd): Moved here from gcd_vector.
10013 * lambda-code.c (gcd, gcd_vector): Removed.
10014 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10015 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10017 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10019 * ipa-type-escape.c: Tidy some comments and white space.
10020 * tree-ssa-operands.c: Likewise.
10022 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10024 PR tree-opt/25879
10025 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10026 (dump_decl_name): Do not walk the decl tree chains.
10027 * tree-pass.h (TDF_CHAIN): Remove.
10029 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10031 * Makefile.in (C): Remove
10032 (PROTO): Remove
10033 (.PHONY): Remove C and PROTO
10035 2006-02-20 Roger Sayle <roger@eyesopen.com>
10037 PR middle-end/26236
10038 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10039 deprecated CHAR_TYPE tree code.
10041 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10043 * configure.ac (target_list): Add install-info, dvi, html.
10044 * configure: Regenerate.
10046 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10047 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10048 treelang/Make-lang.in: Do not use double-colon rules.
10050 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10052 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10053 (TMT_USED_ALONE): New macro.
10054 * tree-pass.h (PROP_tmt_usage): New property.
10055 (TODO_update_tmt_usage): New todo.
10056 * tree-ssa-alias.c (updating_used_alone): New variable.
10057 (recalculate_used_alone): New function.
10058 (compute_may_aliases): Set updating_used_alone, call
10059 recalculate_used_alone.
10060 * tree-sra.c (pass_sra): Note that this pass destroys
10061 PROP_tmt_usage, and add TODO_update_tmt_usage.
10062 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10063 * tree-flow.h (updating_used_alone): Prototype.
10064 (recalculate_used_alone): Ditto.
10065 * passes.c (execute_todo): Add code to set updating_used_alone,
10066 and call recalculate.
10067 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10068 for clobber if used alone, and add assert to verify used_alone
10069 status.
10071 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10073 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10074 for non tls symbols added.
10075 (legitimize_address): Do nothing for PLUS expressions if one of the
10076 addends is a tls symbol reference.
10078 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10080 PR bootstrap/25476
10082 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10084 * Makefile.in (BOOTSTRAPPING): New.
10085 (quickstrap): New definition if BOOTSTRAPPING=yes.
10087 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10088 * configure.ac: Substitute all_selected_languages with the languages
10089 that were configured. For all the other variables except
10090 lang_specs_files, include all the languages in the tree.
10091 * configure: Regenerate.
10093 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10094 if there is one. Run the commands to run fixincludes in the same
10095 subshell.
10097 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10098 * doc/install.texi: Document exact conventions for searching target tools.
10099 Document --with-build-time-tools. Document toplevel bootstrap. Document
10100 something more about building an Ada cross-compiler. Don't list GNU Make
10101 requirements which affect all platforms.
10103 2006-02-19 Roger Sayle <roger@eyesopen.com>
10105 PR middle-end/19543
10106 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10107 only equivalent if the have both the same mode and precision.
10109 2006-02-20 Ben Elliston <bje@au.ibm.com>
10111 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10113 2006-02-19 Roger Sayle <roger@eyesopen.com>
10114 Steven Bosscher <stevenb.gcc@gmail.com>
10116 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10117 constant pool references to identify stack mode constants.
10118 * rtlanal.c (constant_pool_constant_p): New predicate to check
10119 whether operand is a floating point constant in the pool.
10120 * rtl.h (constant_pool_constant_p): Prototype here.
10121 * loop.c (scan_loop): Avoid hoisting constants from the constant
10122 pool on STACK_REGS targets.
10123 (load_mems): Likewise.
10124 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10125 loads into x87 registers expensive in terms of register pressure.
10127 2006-02-19 Roger Sayle <roger@eyesopen.com>
10129 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10130 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10132 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10134 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10135 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10137 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10139 * doc/invoke.texi: Document -fipa-pta.
10140 * common.opt: Add ipa-pta option.
10141 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10142 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10143 (do_ds_constraint): Ditto.
10144 (get_constraint_for): Only add to referenced_vars if
10145 referenced_vars exists.
10146 (insert_into_field_list): Rewrite to do this unsorted.
10147 (insert_into_field_list_sorted): Rename old insert_into_field_list
10148 to this.
10149 (create_function_info_for): Use insert_into_field_list_sorted.
10150 (create_variable_info_for): Rewrite so it uses unsorted version,
10151 since the field list is sorted.
10152 (intra_create_variable_infos): Only add to referenced_vars if
10153 referenced_vars exists.
10154 (ipa_pta_execute): Init heapvars, and delete when done.
10155 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10157 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10159 * doc/install.texi: Add missing `@samp'.
10161 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10163 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10164 Use the arguments.
10166 2006-02-18 Mark Wielaard <mark@klomp.org>
10168 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10169 who added new 4.1 features, bug fixes and integration support.
10171 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10173 PR target/26350
10174 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10175 MEM for ABI_V4 pic.
10177 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10179 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10180 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10181 (copy_insn_1): Likewise. Don't copy each field individually.
10182 Reindent.
10183 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10184 of RTX_SIZE.
10185 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10186 * rtl.c (rtx_size): Rename variable to...
10187 (rtx_code_size): ...this.
10188 (rtx_size): New function.
10189 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10190 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10191 Reindent.
10192 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10193 * rtl.h (rtx_code_size): New variable.
10194 (rtx_size): Change from a variable to a function.
10195 (RTX_SIZE): Rename to...
10196 (RTX_CODE_SIZE): ...this.
10198 PR target/9703
10199 PR tree-optimization/17106
10200 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10201 (Anchored Addresses): New section.
10202 * doc/invoke.texi (-fsection-anchors): Document.
10203 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10204 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10205 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10206 * hooks.c (hook_bool_mode_rtx_false): New function.
10207 * hooks.h (hook_bool_mode_rtx_false): Declare.
10208 * gengtype.c (create_optional_field): New function.
10209 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10210 SYMBOL_REF_IN_BLOCK_P is true.
10211 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10212 (min_anchor_offset, max_anchor_offset): Likewise.
10213 (use_anchors_for_symbol_p): New hook.
10214 * toplev.c (compile_file): Call output_object_blocks.
10215 (target_supports_section_anchors_p): New function.
10216 (process_options): Check that -fsection-anchors is only used on
10217 targets that support it and when -funit-at-a-time is in effect.
10218 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10219 if the decl doesn't have one.
10220 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10221 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10222 of force_const_mem through use_anchored_address.
10223 (expand_expr_constant): New function.
10224 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10225 calling expand_expr for INDIRECT_REF.
10226 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10227 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10228 * expr.h (use_anchored_address): Declare.
10229 * loop-unroll.c: Don't declare rtx vectors here.
10230 * explow.c: Include output.h.
10231 (validize_mem): Call use_anchored_address.
10232 (use_anchored_address): New function.
10233 * common.opt (-fsection-anchors): New switch.
10234 * varasm.c (object_block_htab, anchor_labelno): New variables.
10235 (hash_section, object_block_entry_eq, object_block_entry_hash)
10236 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10237 (use_blocks_for_decl_p, change_symbol_section): New functions.
10238 (get_variable_section): New function, split out from assemble_variable.
10239 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10240 use_blocks_for_decl_p say so. Use change_symbol_section if the
10241 symbol has already been created.
10242 (assemble_variable_contents): New function, split out from...
10243 (assemble_variable): ...here. Don't output any code for
10244 block symbols; just pass them to place_block_symbol.
10245 Use get_variable_section and assemble_variable_contents.
10246 (get_constant_alignment, get_constant_section, get_constant_size): New
10247 functions, split from output_constant_def_contents.
10248 (build_constant_desc): Create a block symbol if use_object_blocks_p
10249 says so. Or into SYMBOL_REF_FLAGS.
10250 (assemble_constant_contents): New function, split from...
10251 (output_constant_def_contents): ...here. Don't output any code
10252 for block symbols; just pass them to place_section_symbol.
10253 Use get_constant_section and get_constant_alignment.
10254 (force_const_mem): Create a block symbol if use_object_blocks_p and
10255 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10256 (output_constant_pool_1): Add an explicit alignment argument.
10257 Don't switch sections here.
10258 (output_constant_pool): Adjust call to output_constant_pool_1.
10259 Switch sections here instead. Don't output anything for block symbols;
10260 just pass them to place_block_symbol.
10261 (init_varasm_once): Initialize object_block_htab.
10262 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10263 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10264 (place_block_symbol, get_section_anchor, output_object_block)
10265 (output_object_block_htab, output_object_blocks): New functions.
10266 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10267 (TARGET_ASM_OUT): Include it.
10268 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10269 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10270 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10271 (TARGET_INITIALIZER): Include them.
10272 * rtl.c (rtl_check_failed_block_symbol): New function.
10273 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10274 (block_symbol, object_block): New structures.
10275 (rtx_def): Add a block_symbol field to the union.
10276 (BLOCK_SYMBOL_CHECK): New macro.
10277 (rtl_check_failed_block_symbol): Declare.
10278 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10279 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10280 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10281 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10282 * output.h (output_section_symbols): Declare.
10283 (object_block): Name structure.
10284 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10285 (default_use_anchors_for_symbol_p): Declare.
10286 * Makefile.in (RTL_BASE_H): Add vec.h.
10287 (explow.o): Depend on output.h.
10288 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10289 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10290 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10291 (rs6000_use_blocks_for_constant_p): New function.
10293 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10295 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10297 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10299 PR tree-opt/25680
10300 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10301 IMAGPART_EXPR.
10303 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10305 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10306 is_aliased.
10307 Update all users.
10309 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10311 PR middle-end/26334
10312 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10313 instead of DECL_REGISTER.
10315 2006-02-18 Olivier Hainque <hainque@adacore.com>
10317 PR ada/13408
10318 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10320 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10322 PR target/24837
10323 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10324 * opth-gen.awk: Handle Var and InverseMask together.
10325 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10326 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10327 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10328 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10329 used together.
10330 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10331 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10332 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10333 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10334 LINUX_DYNAMIC_LINKER): Define.
10335 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10336 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10337 TARGET_GLIBC.
10338 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10339 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10340 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10341 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10342 (TARGET_C99_FUNCTIONS): Don't define.
10343 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10344 GLIBC_DYNAMIC_LINKER.
10345 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10346 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10347 GLIBC_DYNAMIC_LINKER64): Define.
10348 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10349 LINUX_DYNAMIC_LINKER64.
10350 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10351 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10352 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10353 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10354 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10355 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10356 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10357 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10358 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10359 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10360 and LINUX_DYNAMIC_LINKER32.
10361 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10362 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10363 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10364 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10365 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10366 TARGET_GLIBC.
10367 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10368 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10369 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10370 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10371 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10372 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10373 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10374 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10375 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10376 LINUX_DYNAMIC_LINKER): Define.
10377 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10378 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10379 GLIBC_DYNAMIC_LINKER64): Define.
10380 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10381 LINUX_DYNAMIC_LINKER64.
10382 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10383 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10384 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10385 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10386 LINUX_DYNAMIC_LINKER): Define.
10387 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10388 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10389 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10390 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10391 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10392 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10393 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10394 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10395 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10396 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10397 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10398 * doc/invoke.texi (-muclibc): Remove caveat about supported
10399 targets.
10401 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10403 * doc/cpp.texi (__TIMESTAMP__): Document.
10405 2006-02-17 Roger Sayle <roger@eyesopen.com>
10407 PR middle-end/25600
10408 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10409 C is one less than the width of X (and related transformations).
10410 * simplify-rtx.c (simplify_unary_operation_1): Transform
10411 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10412 depending on STORE_FLAG_VALUE, were C is one less then the
10413 width of X.
10415 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10417 Fix PR tree-optimization/26341
10418 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10419 about NAME_MEMORY_TAG's.
10421 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10423 PR target/26255
10424 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10425 with hardware float support, and software float support. Add fcpy
10426 alternative to hardware patterns. Add alternatives to copy between
10427 general and floating-point registers to the 32-bit pattern.
10428 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10429 secondary reload to load a QI or HI mode constant into a floating
10430 point register.
10431 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10432 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10434 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10436 PR target/26272
10437 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10438 pc to the pattern.
10439 (load_macho_picbase_di): Likewise.
10441 2006-02-16 Jeff Law <law@redhat.com>
10443 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10444 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10445 (ssa_name_nonzero_p): Likewise.
10446 (get_value_range): Return NULL if VRP is not running.
10447 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10448 VRP routines do not discover a range.
10449 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10450 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10451 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10452 (tree_expr_nonnegative_p): Similarly.
10453 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10454 (restore_nonzero_vars_to_original_value): Remove.
10455 (unsafe_associative_fp_binop): Remove.
10456 (tree_ssa_dominator_optimize): Remove initialization and
10457 finalization of nonzero_vars and nonzero_vars_stack.
10458 (dom_opt_initialize_block): No longer push marker on
10459 nonzero_vars_stack.
10460 (dom_opt_finalize_block): No longer call
10461 restore_nonzero_vars_to_original_value.
10462 (record_equivalences_from_phis): No longer look for
10463 nonzero PHI arguments.
10464 (cprop_into_successor_phis): No longer propagate nonzero
10465 property into PHI arguments. Lose unused argument. Caller
10466 updated.
10467 (record_equivalences_from_stmt): No longer record nonzero
10468 values for SSA_NAMEs.
10469 (lookup_avail_expr): No longer use nonzero_vars.
10471 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10472 for sizetype when sizetype is unsigned.
10474 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10476 PR rtl-optimization/25603
10477 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10478 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10479 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10480 with new meaning of SETS.
10482 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10484 PR target/20353
10485 PR target/24578
10486 PR target/24837
10487 * config/linux.opt: New file.
10488 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10489 LINUX_DYNAMIC_LINKER): Define.
10490 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10491 * config.gcc (*-*-linux*): Define extra_options.
10492 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10493 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10494 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10495 GLIBC_DYNAMIC_LINKER.
10496 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10497 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10498 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10499 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10500 * doc/invoke.texi (GNU/Linux Options): New section.
10502 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10504 * config/sparc/sparc.md (setjmp): Rewrite.
10505 (setjmp_32): Delete.
10506 (setjmp_64): Likewise.
10508 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10510 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10511 previous change.
10513 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10515 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10516 read-write uses.
10518 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10520 PR rtl-optimization/26296
10521 * Makefile.in (loop-invariant.c): Add except.h dependency.
10522 * loop-invariant.c: Include except.h.
10523 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10525 2005-02-16 Paul Brook <paul@codesourcery.com>
10527 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10528 for reloads.
10530 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10532 PR rtl-optimization/25636
10533 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10534 when deciding whether an insn is an initializing insn.
10536 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10538 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10539 (tree_code_size): Ditto.
10540 * tree.h (struct tree_memory_tag): Remove parent_var.
10541 (struct tree_struct_field_tag): New.
10542 (SFT_OFFSET): New.
10543 (SFT_SIZE): New.
10544 (union tree_node): Add sft member.
10545 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10546 specially here.
10547 (create_sft): Add size and offset argument, set SFT_OFFSET and
10548 SFT_SIZE.
10549 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10550 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10551 * tree-flow-inline.h (get_subvar_at): Update for
10552 SFT_OFFSET/SFT_SIZE.
10553 (var_can_have_subvars): Ditto.
10554 (overlap_subvar): Ditto.
10555 * print-tree.c (print_node): Print out interesting things for
10556 SFT's.
10557 * tree-flow.h (struct subvar): Remove offset and size members.
10558 * tree-ssa-operands.c (get_expr_operands): Update for
10559 get_indirect_ref_operands changes.
10560 (get_indirect_ref_operands): Call add_virtual_operand instead of
10561 add_stmt_operand. Only recurse on base var if requested.
10562 (access_can_touch_variable): New function.
10563 (add_stmt_operand): Split virtual operand handling into ...
10564 (add_virtual_operand): Here. Add offset, size, and for_clobber
10565 arguments. Prune alias sets.
10566 (add_call_clobber_ops): Call add_virtual_operand.
10568 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10570 PR middle-end/26300
10571 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10573 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10574 than TREE_CODE as index into omp_clause_num_ops array.
10576 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10578 PR rtl-optimization/26184
10579 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10580 uses_of_defs.
10581 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10582 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10583 must_precede, must_follow and tobe_scheduled.
10585 PR other/26147
10586 * opts.c (common_handle_option): Free new_option pointer.
10587 * df-core.c (df_analyze): Free postorder pointer.
10589 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10591 * Makefile.in: Fix the examples about the use of stamps
10593 2006-02-15 Michael Matz <matz@suse.de>
10595 PR middle-end/22275
10597 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10598 influenced by maximum_field_alignment or DECL_PACKED.
10599 (update_alignment_for_field): Ditto.
10600 (place_field): Ditto.
10601 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10602 this behaviour.
10604 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10606 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10607 (debug_flow_info): Pass it.
10608 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10609 * bb-reorder.c (reorder_basic_blocks): Likewise.
10610 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10611 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10612 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10613 * gcse.c (gcse_main, bypass_jumps): Likewise.
10614 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10615 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10616 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10617 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10618 * rtl.h (dump_flow_info): Adjust prototype.
10619 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10620 * var-tracking.c (variable_tracking_main): Likewise.
10621 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10622 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10623 options.
10625 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10627 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10628 construction.
10630 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10632 PR tree-optimization/26209
10633 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10634 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10635 eh edges.
10636 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10638 2006-02-14 Roger Sayle <roger@eyesopen.com>
10640 PR middle-end/23670
10641 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10642 (X,Y) and the corresponding symmetry related transformations.
10643 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10644 (X,Y) and its symmetry related transformations.
10646 2006-02-14 Roger Sayle <roger@eyesopen.com>
10648 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10649 and GEU.
10651 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10653 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10655 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10657 PR bootstrap/26053
10658 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10659 support COMDAT group.
10660 * configure: Regenerate.
10662 2006-02-14 Roger Sayle <roger@eyesopen.com>
10664 PR middle-end/26279
10665 PR middle-end/26280
10666 PR middle-end/26283
10667 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10669 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10671 Fix PR tree-optimization/26260
10673 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10674 param.
10675 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10676 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10677 * tree-ssa-structalias.c (create_variable_info_for): Use
10678 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10680 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10682 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10683 Document.
10684 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10685 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10686 of the ending condition.
10687 * tree-ssa-loop-manip.c: Include params.h.
10688 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10689 tree_unroll_loop): New functions.
10690 * tree-pass.h (pass_loop_prefetch): Declare.
10691 * loop.c (rest_of_handle_loop_optimize): Test for
10692 -fprefetch-loop-arrays-rtl.
10693 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10694 * timevar.def (TV_TREE_PREFETCH): New timevar.
10695 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10696 pass_loop_prefetch): New.
10697 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10698 (cleanup_tree_cfg_loop): Call scev_reset.
10699 * common.opt (fprefetch-loop-arrays-rtl): Add.
10700 * tree-ssa-loop-prefetch.c: New file.
10701 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10702 (new_temp_expr_table): Initialize expr_vars.
10703 (free_temp_expr_table): Cleanup expr_vars.
10704 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10705 expressions from being merged into one.
10706 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10707 (struct tree_niter_desc): Add control, bound and cmp fields.
10708 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10709 Declare.
10710 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10711 (tree-cfgcleanup.o): Add SCEV_H dependency.
10712 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10713 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10715 2006-02-14 Richard Guenther <rguenther@suse.de>
10717 PR tree-optimization/26258
10718 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10719 in PHI argument processing.
10721 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10723 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10724 new expression in the requested machine mode.
10726 2006-02-13 Roger Sayle <roger@eyesopen.com>
10728 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10729 directly, instead let do_compare_rtx_and_jump handle this for us.
10730 * expr.c (expand_expr_real_1): Likewise.
10731 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10732 before do_jump_by_parts_greater.
10733 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10734 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10736 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10738 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10740 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10742 PR rtl-optimization/26235
10743 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10744 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10745 format.
10747 2006-02-13 Jeff Law <law@redhat.com>
10749 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10750 TRUTH_XOR_EPR.
10752 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10754 PR middle-end/26092
10755 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10756 twice if decl is a builtin. When trying again, call get_callee_fndecl
10757 first to verify it is still a builtin.
10759 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10761 * dwarf2out.c (base_type_die): Don't add AT_name here.
10762 (subrange_type_die): Don't add AT_name here.
10763 (modified_type_die): Rearrange code flow. Do add AT_name here.
10765 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10767 PR rtl-optimization/26247
10768 PR rtl-optimization/26248
10769 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10771 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10773 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10774 * config/fixtfdi.c: Likewise.
10775 * config/fixunstfdi.c: Likewise.
10776 * config/floatditf.c: Likewise.
10778 2006-02-13 Roger Sayle <roger@eyesopen.com>
10780 PR middle-end/24427
10781 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10782 into (X,C2) if C1 is a subset of the bits of C2. Transform
10783 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10784 (X&(C1&~C2))|C2.
10785 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10787 2006-02-13 Josh Conner <jconner@apple.com>
10789 PR target/25376
10790 * varasm.c (function_section): Check for section name before
10791 calling select_section on targets that define
10792 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10793 unlikely_text_section instead of hot_function_section if
10794 first_function_block_is_cold.
10796 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10798 PR middle-end/25335
10799 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10801 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10803 PR rtl-optimization/26222
10804 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10805 after tree->rtl expansion.
10806 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10807 before passing it to emit_move_insn.
10809 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10811 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10812 default.
10813 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10814 Clarify documentation.
10815 * c-common.h (warn_write_strings): Remove.
10816 * c-common.c (warn_write_strings): Likewise.
10817 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10818 default for C++.
10820 2006-02-12 Roger Sayle <roger@eyesopen.com>
10822 PR middle-end/25724
10823 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10824 (do_jump_parts_zero_rtx): New function renamed from
10825 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10826 (do_jump_parts_equality_rtx): New function split out from
10827 do_jump_parts_equality. Old implementation renamed as above.
10828 Call do_jump_parts_zero_rtx if either operand is zero.
10829 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10830 do all of the heavy lifting.
10831 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10832 calling either do_jump_by_parts_greater_rtx or
10833 do_jump_by_parts_equality_rtx.
10834 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10835 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10836 moved to do_compare_rtx_and_jump, call it directly.
10837 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10838 mode argument. Call do_compare_rtx_and_jump.
10839 (emit_case_nodes): Update calls to do_jump_if_equal.
10841 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10843 PR rtl-optimization/26225
10844 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10846 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10848 PR rtl-optimization/26232
10849 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10851 2006-02-11 Jason Merrill <jason@redhat.com>
10853 PR tree-opt/24365
10854 * tree-inline.c (declare_return_variable): Just don't use the
10855 modify target if it's a gimple complex reg and the return slot
10856 isn't.
10858 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10860 * doc/contrib.texi: Update my entry.
10862 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10864 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10866 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10868 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10869 expensive.
10871 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10873 * doc/invoke.texi (-floop-optimize2): Removed.
10874 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10875 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10876 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10877 * common.opt (floop-optimize2): Removed.
10878 (fmove-loop-invariants): Enabled by default.
10880 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10882 * tree-if-conv.c (combine_blocks): Free the result of
10883 get_loop_exit_edges.
10885 2006-02-10 Jeff Law <law@redhat.com>
10887 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10889 PR tree-optimization/26213
10890 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10891 loop trying to follow SSA_NAME_VALUE chains.
10893 2006-02-10 Richard Guenther <rguenther@suse.de>
10895 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10896 deal with structures that end in implicitly variable sized arrays.
10898 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10900 PR rtl-optimization/24762
10901 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10902 eh edges.
10904 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10906 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10907 (struct ivopts_data): Add regs_used field.
10908 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10909 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10910 instead of loop_data->regs_used;
10911 (free_loop_data): Do not free aux fields for loops.
10912 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10913 and tree_ssa_iv_optimize_finalize.
10915 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10917 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10919 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10921 PR target/26141
10922 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10923 computing the effective result type.
10925 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10927 PR inline-asm/16194
10928 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10929 (tree_overlaps_hard_reg_set): Declare.
10930 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10931 type and signature to match function type expected by walk_tree.
10932 (tree_overlaps_hard_reg_set): New function.
10933 (decl_conflicts_with_clobbers_p): Rename to:
10934 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10935 Use tree_overlaps_hard_reg_set. Changed caller.
10936 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10937 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10938 * cris.c (cris_md_asm_clobbers): Likewise.
10940 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10942 * reload1.c (emit_input_reload_insns): Delete code that tries to
10943 inherit using find_equiv_reg.
10945 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10947 * c-common.h (flag_const_strings): Don't declare.
10948 * c-common.c (flag_const_strings): Remove.
10949 * c.opt (fconst_strings): Remove.
10950 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10951 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10952 (c_common_init_options): Don't set flag_const_strings.
10953 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10955 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10957 * arm.md (tlobits_cbranch): New pattern.
10958 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10959 testing a single bit.
10961 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10963 PR tree-opt/26179
10964 * tree-ssa-pre.c (create_component_ref_by_pieces):
10965 Handle RETURN_DECL like VAR_DECL.
10967 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10969 PR middle-end/26134
10970 * fold-const.c (fold_indirect_ref_1): Fold
10971 "*(foo *)&complexfoo" to "__real__ complexfoo"
10972 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10974 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10976 * tree-flow-inline.h (var_can_have_subvars):
10977 Volatile variables should not have subvariables.
10979 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10981 PR 26180
10982 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10983 multiplying unsigned values.
10984 Tidy comments.
10986 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10988 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10990 2006-02-08 Jason Merrill <jason@redhat.com>
10992 PR c++/25979
10993 * tree.def: Elaborate on difference from MODIFY_EXPR.
10994 * doc/c-tree.texi (INIT_EXPR): Likewise.
10995 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10996 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10997 (gimplify_target_expr): Likewise.
10998 (gimplify_cond_expr): Remove target handling.
10999 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11000 (gimplify_expr): Clobber it here.
11001 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11002 Do return slot optimization if we have an INIT_EXPR.
11004 PR tree-opt/24365
11005 * tree-inline.c (declare_return_variable): Also clear
11006 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11008 PR c++/16405
11009 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11011 PR middle-end/22439
11012 * gimplify.c (gimplify_one_sizepos): Fix typo.
11014 2006-02-08 Jeff Law <law@redhat.com>
11016 PR tree-optimization/21417
11017 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11018 across a backedge if the control statement at the end of the
11019 block is data dependent on other statements in the same block.
11020 (record_temporary_equivalences_from_stmts): Remove over-conservative
11021 test for threading across backedges.
11023 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11024 control statement, handle all three special cases in the same
11025 manner as they all have the same desired solution. No longer
11026 special case edge flag updating when the post dominator is
11027 the exit block.
11029 2006-02-08 Roger Sayle <roger@eyesopen.com>
11031 * tree.def (CHAR_TYPE): Remove.
11032 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11033 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11034 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11035 (gen_string_type_die): Delete unreachable function.
11037 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11038 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11039 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11040 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11041 * builtins.c (type_to_class): Likewise.
11042 * fold-const.c (fold_convert, build_range_check,
11043 merge_ranges): Likewise.
11044 * expr.c (count_type_elements): Likewise.
11045 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11046 * stor-layout.c (layout_type): Likewise.
11047 * ipa-type-escape.c (type_to_consider): Likewise.
11048 * gimplify.c (omp_firstprivatize_type_sizes,
11049 gimplify_type_sizes): Likewise.
11050 * explow.c (promote_mode): Likewise.
11051 * tree-sra.c (is_sra_scalar_type): Likewise.
11052 * varasm.c (output_constant): Likewise.
11053 * tree-inline.c (remap_type_1): Likewise.
11054 * convert.c (convert_to_pointer, convert_to_real,
11055 convert_to_integer, convert_to_complex): Likewise.
11057 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11059 * df-scan.c (df_def_record_1): A set destination may
11060 be a parallel regardless of mode.
11062 2006-02-08 Roger Sayle <roger@eyesopen.com>
11064 PR target/22209
11065 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11066 * config/mips/_tilib.c: Remove.
11067 * config/fixtfdi.c: New libgcc source file.
11068 * config/fixunstfdi.c: New source file.
11069 * config/floatditf.c: New source file.
11070 * config/floatunditf.c: New souce file.
11071 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11072 files above instead of config/mips/_tilib.c.
11073 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11075 2006-02-08 Jeff Law <law@redhat.com>
11077 PR tree-optimization/26169
11078 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11079 threading jumps.
11081 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11083 * df.h (DF_REG_SIZE): Return the length of the initialized
11084 part of the array.
11086 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11088 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11089 __muldf3): Return a correctly signed zero.
11091 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11093 * passes.c (register_one_dump_file): Accept the current properties
11094 instead of pass number. Adjust call to dump_register. Remove
11095 duplicated code.
11096 (register_dump_files): Now a wrapper around...
11097 (register_dump_files_1): ... this one. Do not modify the pass
11098 structure.
11099 (next_pass_1): Cosmetic fix.
11100 (execute_todo): Keep second parameter only. Use curr_properties
11101 instead of fetching it from the pass structure. Check and set
11102 last_verified.
11103 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11104 instead of fetching it from the pass structure. Fix calls to
11105 execute_todo. Update curr_properties and initialize .vcg RTL dump
11106 after running the pass. Reset last_verified.
11107 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11108 at the beginning.
11109 (FIRST_AUTO_NUMBERED_DUMP): New.
11110 (dump_register): Remove "num" parameter, assign it within the
11111 function.
11112 (get_dump_file_name): Modify template for dumps.
11113 * tree-dump.h (dump_register): Adjust prototype.
11114 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11115 (PROP_trees): Add PROP_gimple_lomp.
11116 (TODO_set_props): New.
11117 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11118 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11119 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11121 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11123 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11124 (sparc64-*-linux*): Likewise.
11125 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11126 * config/sparc/t-linux: New file.
11127 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11128 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11129 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11130 -m32 -mlong-double-128.
11132 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11133 * config/alpha/t-linux: New file.
11134 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11136 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11137 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11138 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11139 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11140 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11141 (CPP_ARCH32_SPEC): Remove.
11143 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11145 PR tree-optimization/26145
11146 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11147 bbs pointer.
11149 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11151 PR target/26109
11152 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11153 >= 240000 when generating code for SOM runtime.
11154 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11155 to $$dyncall when generating code for SOM runtime..
11157 2006-02-07 Dirk Mueller <dmueller@suse.com>
11159 PR c++/18150
11160 * doc/invoke.texi (-Wsequence-point): Update documentation
11161 that -Wsequence-point is implemented for C++ as well.
11163 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11165 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11166 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11167 (LIB_SPEC): Likewise.
11168 * doc/invoke.texi (SPARC options): Document -pthread.
11170 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11172 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11173 PIC addresses.
11175 2006-02-07 Roger Sayle <roger@eyesopen.com>
11177 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11178 Correct comment describing BOOLEAN_TYPE.
11180 2006-02-07 Dirk Mueller <dmueller@suse.com>
11182 * c.opt: C++ frontend supports -Wdiv-by-zero.
11183 * c-opts.c (c_common_handle_option): Remove dead case.
11185 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11187 * configure.ac (TLS assembler check): Do not enable TLS by
11188 default on SPARC/Solaris before version 10.
11189 * configure: Regenerate.
11191 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11193 * doc/invoke.texi (xl-compat): Document conversion and support
11194 routine names.
11196 2006-02-07 Jeff Law <law@redhat.com>
11198 * tree-vrp.c (find_conditional_asserts): Update comments.
11199 (simplify_stmt_for_jump_threading): New.
11200 (identify_jump_threads, finalize_jump_threads): New.
11201 (vrp_finalize): Call identify_jump_threads.
11202 (execute_vrp): Call finalize_jump_threads.
11203 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11204 (vrp_element, vrp_data, vrp_element_p): Remove.
11205 (vrp_hash_elt, vrp_variables_stack): Remove.
11206 (vrp_hash, vrp_eq, record_range): Remove.
11207 (simplify_cond_and_lookup_avail_expr): Remove.
11208 (extract_range_from_cond): Remove.
11209 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11210 (simplify_stmt_for_jump_threading): New.
11211 (dom_thread_across_edge): New wrapper.
11212 (tree_ssa_dominator_optimize): No longer initialize or
11213 finalize any of the VRP datastructures. Remove iteration
11214 step and simplify as a result of removal of iteration step.
11215 (pass_dominator): Perform a cfg cleanup after DOM.
11216 (dom_opt_finalize_block): Use the new common routines
11217 for threading jumps. Simplify stack management slightly.
11218 No longer need to unwind VRP state.
11219 (record_equivalences_from_incoming_edge): No longer record
11220 VRP information.
11221 (eliminate_redundant_computations): No longer call
11222 simplify_cond_and_lookup_avail_expr.
11223 * tree-flow.h (potentially_threadable_block): Prototype.
11224 (thread_across_edge): Likewise.
11225 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11226 (tree-ssa-threadedge.o): Add dependencies.
11227 * tree-ssa-threadedge.c: New file.
11228 * passes.c (init_optimization_passes): Merge PHIs before
11229 calling VRP. Run VRP again late in the SSA optimization pipeline.
11231 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11233 * df-core.c (df_set_blocks): Do not dereference function pointers.
11234 (df_finish1): Likewise.
11235 (df_hybrid_search_forward): Likewise.
11236 (df_hybrid_search_backward): Likewise.
11237 (df_iterative_dataflow): Likewise.
11238 (df_analyze_problem): Likewise.
11239 (df_compact_blocks): Likewise.
11240 (df_dump): Likewise.
11241 * df-scan.c (df_rescan_blocks): Likewise.
11242 (df_record_entry_block_defs): Likewise.
11244 * genconditions.c (write_conditions): Guard the definition of
11245 'insn_conditions' with the check on GCC version.
11246 (write_writer): Guard the traversal 'insn_conditions' with
11247 the check on GCC version.
11249 2006-02-07 Richard Guenther <rguenther@suse.de>
11251 PR c++/26140
11252 Revert
11253 2006-01-30 Richard Guenther <rguenther@suse.de>
11254 PR c++/23372
11255 * gimplify.c (gimplify_target_expr): Handle easy cases
11256 without creating a temporary.
11258 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11260 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11261 use of float in probability computations. Use edge probabilities
11262 in place of statically computed probabilities.
11263 (min_spec_prob): New static variable.
11264 (schedule_insns): Initialize it.
11265 (GET_SRC_PROB): Removed.
11266 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11268 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11270 PR debug/24444
11271 * config/ia64/unwind-ia64.c: Revert last change.
11272 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11273 (INCOMING_FRAME_SP_OFFSET): Define.
11275 2006-02-06 Roger Sayle <roger@eyesopen.com>
11277 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11279 2006-02-07 Ben Elliston <bje@au.ibm.com>
11281 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11282 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11283 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11284 (ix86_return_in_memory): Handle TDmode.
11285 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11286 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11288 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11290 * reorg.c (dbr_schedule): Use dump_file instead of file.
11292 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11294 PR target/25917
11295 * config/ia64/predicates.md (extr_len_operand): New predicate.
11296 * config/ia64/ia64.md (extv): Tighten constraints.
11297 (extzv): Ditto.
11298 (*tbit_and_2): Ditto.
11299 (*tbit_and_3): Ditto.
11300 (*tbit_or_2): Ditto.
11301 (*tbit_or_3): Ditto.
11302 (*bit_zero): Ditto.
11303 (*bit_one): Ditto.
11305 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11307 PR target/23359
11308 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11310 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11312 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11313 loop_optimizer_init and loop_optimizer_finalize
11314 * tree-ssa-sink.c (execute_sink_code): Ditto.
11315 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11316 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11317 tree_ssa_loop_done): Ditto.
11318 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11319 * sched-ebb.c: Include output.h.
11320 (schedule_ebbs): Do not use dump argument.
11321 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11322 * loop.c (loop_dump_stream): Removed.
11323 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11324 argument.
11325 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11326 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11327 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11328 loop_iterations, strength_reduce, record_biv, record_giv,
11329 final_giv_value, check_final_value, check_ext_dependent_givs,
11330 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11331 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11332 dump_file instead of loop_dump_stream.
11333 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11334 argument dump_file.
11335 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11336 dump argument.
11337 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11338 * haifa-sched.c: Include output.h
11339 (schedule_insns, sched_init): Do not use dump argument.
11340 * mode-switching.c (optimize_mode_switching): Ditto.
11341 * modulo-sched.c (stats_file): Removed.
11342 (print_node_sched_params): Do not call argument dump_file.
11343 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11344 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11345 of stats_file.
11346 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11347 use dump argument.
11348 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11349 rtl_loop_init, rtl_loop_done): Ditto.
11350 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11351 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11352 Ditto.
11353 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11354 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11355 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11356 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11357 * emit-rtl.c (renumber_insns): Ditto.
11358 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11359 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11360 * regclass.c (regclass): Ditto.
11361 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11362 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11363 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11364 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11365 Ditto.
11366 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11367 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11368 to regclass.
11369 * gcse.c (gcse_file, debug_stderr): Removed.
11370 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11371 rest_of_handle_gcse): Do not use dump argument.
11372 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11373 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11374 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11375 compute_code_hoist_vbeinout, compute_code_hoist_data,
11376 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11377 compute_store_table, build_store_vectors, insert_insn_start_bb,
11378 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11379 store_motion): Use dump_file instead of gcse_file.
11380 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11381 * profile.c (profile_dump_file): Removed.
11382 (branch_prob): Use dump_file instead of profile_dump_file.
11383 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11384 dump_file.
11385 * tree-ssa-copy.c (dump_copy_of): Ditto.
11386 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11387 dump file to life_analysis.
11388 * bt-load.c (branch_target_load_optimize): Ditto.
11389 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11390 renumber_insns.
11391 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11392 regclass, dbr_schedule): Declaration changed.
11393 * sched-int.h (sched_init): Declaration changed.
11394 * tree-profile.c (tree_profile_dump_file): Removed.
11395 (tree_profile_hooks): Removed profile_dump_file hook.
11396 * rtl-profile (rtl_profile_dump_file): Removed.
11397 (rtl_profile_hooks): emoved profile_dump_file hook.
11398 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11399 changed.
11400 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11401 * tree-cfg.c (build_tree_cfg): Ditto.
11402 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11403 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11404 Declaration changed.
11405 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11406 life_analysis and schedule_insns.
11407 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11408 life_analysis.
11409 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11410 dbr_schedule.
11411 * config/mips/mips.c (mips_reorg): Ditto.
11412 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11413 schedule_ebbs.
11415 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11417 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11418 (s390_mangle_fundamental_type): New.
11419 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11420 Define.
11422 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11423 (alpha_mangle_fundamental_type): New.
11424 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11425 Define.
11427 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11428 Define.
11429 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11430 Define.
11431 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11432 (sparc_mangle_fundamental_type): New.
11434 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11436 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11437 (s390x-*-linux*): Likewise.
11438 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11439 * config/s390/t-linux: New file.
11441 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11443 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11444 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11446 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11448 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11449 (ANTIC_SAFE_LOADS): New macro.
11450 (find_or_generate_expression): Add prototype.
11451 (set_contains_value): Allow null set for sake of not always having
11452 to allocate ANTIC_SAFE_LOADS.
11453 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11454 Allow COMPONENT_REF too.
11455 (valid_in_set): Allow COMPONENT_REF.
11456 Check ANTIC_SAFE_LOADS too.
11457 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11458 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11459 rename.
11460 (can_PRE_operation): Add COMPONENT_REF.
11461 (create_component_ref_by_pieces): New function.
11462 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11463 (insert_aux): Move AGGREGATE_TYPE_P check here.
11464 (compute_avail): Set bb local stmt uids.
11465 (pass_pre): Use TODO_update_ssa_only_virtuals.
11467 2006-02-06 Ben Elliston <bje@au.ibm.com>
11469 * configure.ac: Unconditionally disable decimal float by default.
11470 * configure: Regenerate.
11472 2006-02-06 Ben Elliston <bje@au.ibm.com>
11474 * read-rtl.c (read_name): Terminate reading on EOF.
11476 2006-02-06 Ben Elliston <bje@au.ibm.com>
11478 * dfp.c (decimal_real_arithmetic): Change second argument type
11479 from int to enum tree_code. Do not always return true, but now
11480 return result of any call to decimal_do helper functions.
11481 * dfp.h (decimal_real_arithmetic): Update prototype.
11483 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11485 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11487 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11489 PR tree-opt/25251
11490 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11491 forced labels.
11493 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11495 * tree-vrp.c (cfg_loops): Removed.
11496 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11497 Use current_loops instead of cfg_loops. Pass flags to
11498 loop_optimizer_init.
11499 * cfgloopmanip.c (fix_loop_structure): Update only available
11500 information.
11501 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11502 loop_optimizer_init.
11503 * modulo-sched.c (build_loops_structure): Removed.
11504 (sms_schedule): Use loop_optimizer_init.
11505 * loop-init.c (loop_optimizer_init): Use flags to determine
11506 which properties of loops to prepare.
11507 (rtl_loop_init): Pass flags to loop_optimizer_init.
11508 * tree-ssa-sink.c (execute_sink_code): Ditto.
11509 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11510 * tree-ssa-pre.c (init_pre): Ditto.
11511 * cfgloop.h (LOOPS_NORMAL): New.
11512 (loop_optimizer_init): Declaration changed.
11514 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11516 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11517 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11518 pa/t-pa.
11519 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11520 pa/t-pa.
11521 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11522 pa/x-ada.
11523 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11524 * pa/t-pa64: Delete quadlib.c rule.
11525 * pa/x-ada: Revert last change.
11526 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11528 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11530 PR rtl-optimization/26087
11531 * rtlanal.c (canonicalize_condition): Do not cross basic block
11532 boundaries.
11534 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11536 PR debug/24444
11537 * config/ia64/ia64.c: Include debug.h.
11538 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11539 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11540 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11541 (process_epilogue, process_set, process_for_unwind_directive):
11542 Output unwind info only if requested. Add CFA info if requested.
11543 Add new arguments as needed. Adjust callers.
11544 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11545 incorrect default.
11546 (DWARF2_FRAME_INFO): Define to zero.
11547 * config/ia64/unwind-ia64.c: Remove code that compensated for
11548 the CFA offset error fixed above.
11549 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11550 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11551 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11552 -funwind-tables and -fexceptions to enable frame info.
11553 (dwarf2out_frame_init): Define initial CFA even if
11554 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11555 DWARF2_UNWIND_INFO is nonzero, not just defined.
11556 (dwarf2out_frame_finish): Output non-EH call frame info only
11557 if DWARF2_FRAME_INFO is nonzero.
11558 (convert_cfa_to_loc_list,
11559 compute_frame_pointer_to_cfa_displacement): Define even if
11560 unwind info is not supported.
11561 (gen_subprogram_die): Use the above unconditionally. Remove
11562 legacy alternate code.
11563 * toplev.c (compile_file): Compile in call to
11564 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11565 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11567 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11568 Jakub Jelinek <jakub@redhat.com>
11570 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11571 IBM extended float format long double as "g" on powerpc*-linux.
11573 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11575 PR target/25926
11576 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11577 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11579 2006-02-03 Jason Merrill <jason@redhat.com>
11581 PR c++/25979
11582 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11584 PR middle-end/25977
11585 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11586 on the return slot if it's an NRV.
11588 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11590 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11591 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11592 rewrite_use): Do not handle USE_OUTER.
11593 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11594 add_iv_outer_candidates, may_replace_final_value,
11595 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11596 (find_interesting_uses_op): Functionality of
11597 find_interesting_uses_outer_or_nonlin moved here.
11598 (find_interesting_uses_outside): Use find_interesting_uses_op.
11600 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11602 PR target/25960
11603 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11605 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11606 Ulrich Weigand <uweigand@de.ibm.com>
11608 PR target/25864
11609 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11610 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11611 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11612 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11613 and dxr fields.
11614 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11615 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11616 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11617 Define secondary reloads for TFmode moves.
11618 (constant_modes): Add TFmode.
11619 (NR_C_MODES): Set to 8.
11620 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11621 builtin define.
11622 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11623 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11624 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11625 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11626 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11627 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11628 (FPR mode macro): Add TFmode.
11629 (DSF mode macro): New.
11630 (<de>, <dee> mode attributes): Removed.
11631 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11632 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11633 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11634 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11635 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11636 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11637 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11638 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11639 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11640 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11641 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11642 "*negabs<mode>2", "sqrt<mode>2"):
11643 Changed <de> to <xde>. R constraint replaced by <Rf>.
11644 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11645 <Rf>.
11646 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11647 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11648 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11649 splitters.
11650 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11651 "extenddftf2", "extendsftf2"): New expanders.
11652 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11653 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11654 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11655 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11656 New options.
11657 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11658 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11659 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11660 __floatditf): Add a GCC_4.1.0 symbol version tag.
11661 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11662 the new options.
11664 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11666 PR target/25377
11667 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11668 Use targetm.binds_local_p instead of TREE_PUBLIC.
11670 2006-02-02 Roger Sayle <roger@eyesopen.com>
11672 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11673 on INTEGER_TYPEs to indicate that it denotes a character type.
11674 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11675 signed_char_type_node, unsigned_char_type_node and char_type_node.
11676 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11677 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11678 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11680 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11681 Daniel Berlin <dberlin@dberlin.org>
11683 * tree-tailcall.c (arg_needs_copy_p): New function.
11684 (eliminate_tail_call): Use arg_needs_copy_p.
11685 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11686 (add_virtual_phis): New function.
11688 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11690 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11691 #ignore instead of #scratch for %g7 .register directive.
11693 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11695 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11696 object files.
11698 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11700 * flow.c (calculate_global_regs_live): Assert that there aren't any
11701 EDGE_FAKE edges.
11703 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11705 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11706 what its name says.
11707 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11708 bsi_after_labels iterator.
11709 * tree-if-conv.c (find_phi_replacement_condition,
11710 replace_phi_with_cond_modify_expr): Likewise.
11711 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11712 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11714 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11716 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11718 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11720 PR 25990
11721 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11722 array after growing it.
11724 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11726 PR middle-end/24901
11727 * fold-const.c (fold_checksum_tree): Change type of buf.
11729 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11731 * reload.c (push_secondary_reload): Initialize t_icode.
11733 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11735 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11736 -msoft-float -mlong-double-128 only issue a warning, but don't
11737 swich to DFmode long double.
11739 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11741 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11742 has a constant equivalent, iterate over equivalents for arg0,
11743 calling simplify_relational_operation and if there's a result
11744 cheaper than X, apply fold_rtx and return the result.
11746 2006-02-01 Jan Hubicka <jh@suse.cz>
11748 * opts.c (no_unit_at_a_time_default): New global variable.
11749 (decode_options): Use it.
11750 * opts.h (no_unit_at_a_time_default): Declare.
11752 2006-02-01 Paul Brook <paul@codesourcery.com>
11754 * function.c (assign_parm_setup_reg): Use function argument promotion
11755 rules.
11756 * expr.c (expand_expr_real_1): Use function argument promotion rules
11757 for PARM_DECLs.
11759 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11761 * gcc.c (process_command): Change j to 'unsigned int'.
11763 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11765 PR middle-end/26001
11766 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11767 Use the corrected index for the character
11768 out of the string constant.
11770 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11772 * mode-switching.c (optimize_mode_switching): Fix size
11773 allocated for bb_info[n_entities].
11775 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11777 * gcc.c (main): Correct type that is allocated for
11778 explicit_link_files.
11780 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11782 * config/s390/s390.c (init_alignment_context): Set
11783 ALIAS_SET_MEMORY_BARRIER on the MEM.
11784 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11786 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11788 PR middle-end/25933
11789 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11790 dom_bbs pointer.
11791 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11792 call to tpa_init.
11794 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11796 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11797 * regrename.c: Ditto.
11798 * tree-ssa-loop-im.c: Ditto.
11799 * tree-dump.c: Ditto.
11800 * tree-complex.c: Ditto.
11801 * genrecog.c: Ditto.
11802 * tree-ssa-threadupdate.c: Ditto.
11803 * tracer.c: Ditto.
11804 * java/class.c: Ditto.
11805 * java/jcf-parse.c: Ditto.
11806 * java/resource.c: Ditto.
11807 * java/except.c: Ditto.
11808 * java/jvspec.c: Ditto.
11809 * java/jcf-write.c: Ditto.
11810 * java/jcf-path.c: Ditto.
11811 * java/gjavah.c: Ditto.
11812 * java/zextract.c: Ditto.
11813 * java/jcf-io.c: Ditto.
11814 * java/jcf.h: Ditto.
11815 * java/buffer.c: Ditto.
11816 * java/lang.c: Ditto.
11817 * java/parse-scan.y: Ditto.
11818 * java/lex.c: Ditto.
11819 * java/lex.h: Ditto.
11820 * cfgloopmanip.c: Ditto.
11821 * postreload-gcse.c: Ditto.
11822 * tree-ssa-loop-manip.c: Ditto.
11823 * postreload.c: Ditto.
11824 * tree-ssa-loop-ch.c: Ditto.
11825 * loop.c: Ditto.
11826 * ipa-cp.c: Ditto.
11827 * cppspec.c: Ditto.
11828 * diagnostic.c: Ditto.
11829 * final.c: Ditto.
11830 * genoutput.c: Ditto.
11831 * gcc.c: Ditto.
11832 * cfghooks.c: Ditto.
11833 * cfgloopanal.c: Ditto.
11834 * objc/objc-act.c: Ditto.
11835 * gcov.c: Ditto.
11836 * genextract.c: Ditto.
11837 * genautomata.c: Ditto.
11838 * pretty-print.c: Ditto.
11839 * genemit.c: Ditto.
11840 * cgraphunit.c: Ditto.
11841 * flow.c: Ditto.
11842 * df-scan.c: Ditto.
11843 * haifa-sched.c: Ditto.
11844 * dominance.c: Ditto.
11845 * dbxout.c: Ditto.
11846 * tree-ssa-loop-ivopts.c: Ditto.
11847 * df-core.c: Ditto.
11848 * mode-switching.c: Ditto.
11849 * modulo-sched.c: Ditto.
11850 * graph.c: Ditto.
11851 * ipa-pure-const.c: Ditto.
11852 * cse.c: Ditto.
11853 * fix-header.c: Ditto.
11854 * web.c: Ditto.
11855 * tree-stdarg.c: Ditto.
11856 * ipa-utils.c: Ditto.
11857 * loop-init.c: Ditto.
11858 * ipa-inline.c: Ditto.
11859 * cfganal.c: Ditto.
11860 * global.c: Ditto.
11861 * alloc-pool.c: Ditto.
11862 * dwarf2out.c: Ditto.
11863 * opts.c: Ditto.
11864 * genattrtab.c: Ditto.
11865 * tree-ssa-loop-ivcanon.c: Ditto.
11866 * predict.c: Ditto.
11867 * timevar.c: Ditto.
11868 * lcm.c: Ditto.
11869 * fortran/gfortranspec.c: Ditto.
11870 * regmove.c: Ditto.
11871 * local-alloc.c: Ditto.
11872 * langhooks.c: Ditto.
11873 * function.c: Ditto.
11874 * tree-vectorizer.c: Ditto.
11875 * gcse.c: Ditto.
11876 * ipa-type-escape.c: Ditto.
11877 * alias.c: Ditto.
11878 * tree-if-conv.c: Ditto.
11879 * profile.c: Ditto.
11880 * ipa.c: Ditto.
11881 * tree-data-ref.c: Ditto.
11882 * loop-unroll.c: Ditto.
11883 * treelang/treetree.c: Ditto.
11884 * calls.c: Ditto.
11885 * bt-load.c: Ditto.
11886 * ggc-common.c: Ditto.
11887 * except.c: Ditto.
11888 * coverage.c: Ditto.
11889 * cselib.c: Ditto.
11890 * tree-cfgcleanup.c: Ditto.
11891 * tree-ssa-pre.c: Ditto.
11892 * cfgcleanup.c: Ditto.
11893 * loop-invariant.c: Ditto.
11894 * loop-iv.c: Ditto.
11895 * ipa-prop.c: Ditto.
11896 * print-tree.c: Ditto.
11897 * conflict.c: Ditto.
11898 * ggc-page.c: Ditto.
11899 * sched-deps.c: Ditto.
11900 * regclass.c: Ditto.
11901 * tree-object-size.c: Ditto.
11902 * combine.c: Ditto.
11903 * bb-reorder.c: Ditto.
11904 * resource.c: Ditto.
11905 * var-tracking.c: Ditto.
11906 * cfgloop.c: Ditto.
11907 * df-problems.c: Ditto.
11908 * reg-stack.c: Ditto.
11909 * tlink.c: Ditto.
11910 * gccspec.c: Ditto.
11911 * sched-rgn.c: Ditto.
11912 * tree-ssa-structalias.c: Ditto.
11913 * tree-ssa-reassoc.c: Ditto.
11914 * config/darwin-c.c: Ditto.
11915 * config/darwin.c: Ditto.
11916 * config/arm/arm.c: Ditto.
11917 * cfgrtl.c: Ditto.
11918 * collect2.c: Ditto.
11919 * reload1.c: Ditto.
11921 2006-01-31 Nicolas Pitre <nico@cam.org>
11923 * arm.md (smaxsi3): Make aware of smax_m1.
11924 (smax_m1): New.
11926 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11928 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11930 2006-01-31 Richard Guenther <rguenther@suse.de>
11932 * doc/invoke.texi (-msselibm): Document.
11933 * target.h (expand_library_builtin): New target hook.
11934 * builtins.c (expand_builtin): Use expand_library_builtin.
11935 (default_expand_library_builtin): New function.
11936 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11937 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11938 (link_gcc_math_spec): Declare.
11939 (static_specs): Add link_gcc_math_spec.
11940 * expr.h (default_expand_library_builtin): Declare.
11941 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11942 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11943 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11944 * config/i386/i386.opt (msselibm): New target option.
11945 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11946 (ix86_init_sse_abi_builtins): New function.
11947 (ix86_expand_library_builtin): Likewise.
11948 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11949 (override_options): Handle error conditions wrt -msselibm.
11950 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11951 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11952 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11953 builtins.
11955 2006-01-31 Richard Guenther <rguenther@suse.de>
11956 Paolo Bonzini <bonzini@gnu.org>
11958 * doc/install.texi (--disable-libgcc-math): Document.
11960 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11962 * expr.h (expand_normal): new inline function.
11963 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11964 * dojump.c: use it.
11965 * dwarf2out.c: use it.
11966 * expr.c: use it.
11967 * calls.c: use it.
11968 * expmed.c: use it.
11969 * except.c: use it.
11970 * config/sparc/sparc.c: use it.
11971 * config/i386/i386.c: use it.
11972 * config/rs6000/rs6000.c: use it.
11973 * config/arm/arm.c: use it.
11974 * config/mips/mips.c: use it.
11975 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11977 2006-01-30 Roger Sayle <roger@eyesopen.com>
11979 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11980 argv to the appropriate type.
11982 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11984 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11985 unreachable code.
11987 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11989 PR target/26018
11990 * config/s390/s390.c (struct machine_function): New flag
11991 decomposed_literal_pool_addresses_ok_p.
11992 (s390_reorg): Set it before final stage of literal pool transforms.
11993 (s390_decompose_address): Only accept displacements of the form
11994 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11996 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11998 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11999 the comparison routine return.
12001 2006-01-30 Michael Matz <matz@suse.de>
12003 * global.c (find_reg): Only evict for global regs.
12004 Take n_refs into account and dump more info.
12006 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12008 PR target/14798:
12009 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12010 (pragma_trap, pragma_nosave_low_regs): Likewise.
12011 (current_function_anonymous_args): Likewise.
12012 (sh_deferred_function_attributes): New variable.
12013 (sh_deferred_function_attributes_tail): Likewise.
12014 (print_operand): For '@', look up trap_exit attribute.
12015 (calc_live_regs): Look up trapa_handler attribute. For trapa
12016 handlers, save/restore fpscr, but don't do any other
12017 interrupt-specific saves.
12018 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12019 Fix check for partially saved registers to check for SHmedia.
12020 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12021 (sh_output_function_epilogue): Don't clear any of the removed
12022 variables.
12023 (sh_insert_attributes): Don't check pragma_interrupt.
12024 Insert deferred attributes. Check that interrupt attribute is
12025 present for other attributes that require its presence.
12026 (sh_attribute_table): Add new attributes trapa_handler and
12027 nosave_low_regs.
12028 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12029 Don't check for pragma_interrupt. Don't store argument.
12030 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12031 (sh_deferred_function_attributes): Declare.
12032 (sh_deferred_function_attributes_tail): Likewise.
12033 * sh.md (sp_switch_1): Add operand. Change generator caller.
12034 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12035 (*return_i): Don't use when trap_exit attribute is in effect.
12036 (*return_trapa): New insn pattern.
12037 * sh-c.c: New file.
12038 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12039 setting c_target_objs and cxx_target_objs.
12040 * t-sh: Add rule for sh-c.o.
12042 2006-01-30 Richard Guenther <rguenther@suse.de>
12044 PR c++/23372
12045 * gimplify.c (gimplify_target_expr): Handle easy cases
12046 without creating a temporary.
12048 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12050 * vec.h (safe_grow): Remove duplicated line.
12052 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12054 PR 25874
12055 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12056 (expand_omp): ... here.
12057 (expand_omp_parallel): Only remove barriers for combined
12058 parallel+workshare constructs.
12060 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12062 Revert
12064 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12065 * tree.c (build_qualified_type): Chain the new type to the original
12066 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12067 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12068 (build_pointer_type_for_mode): Only return unqualified types.
12069 (build_reference_type_for_mode): Likewise.
12071 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12073 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12074 * Makefile.in (CXX_COMPAT_WARN): Define.
12075 * configure: Regenerate.
12077 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12079 PR tree-opt/25911
12080 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12081 to an if check.
12083 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12085 * toplev.c: Fix thinko.
12087 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12088 Marcin Dalecki <martin@dalecki.de>
12090 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12091 (push_srcloc): Use XNEW.
12092 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12094 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12096 * df-core.c (df_set_blocks): Deleted all variable.
12098 2006-01-28 Ian Lance Taylor <ian@airs.com>
12100 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12101 cgraph_output_pending_asms.
12103 2006-01-28 Zack Weinberg <zackw@panix.com>
12105 * c.opt: Add -W(no-)overlength-strings.
12106 * doc/invoke.texi: Document it.
12107 * c-opts.c (c_common_handle_option): -pedantic implies
12108 -Woverlength-strings, if not explicitly disabled already.
12109 (c_common_post_options): -Woverlength-strings defaults to off, and
12110 is always off for C++.
12111 * c-common.c (fix_string_type): Issue warning about strings longer
12112 than is portable only if warn_overlength_strings. Rearrange code
12113 a little for clarity.
12114 * configure.in: Check for -Wno-overlength-strings as well before
12115 enabling -pedantic in stage 1.
12116 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12117 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12119 * genconditions.c (write_header, write_one_condition)
12120 (write_conditions, write_writer): Consolidate very long strings
12121 that were broken up to fit in C89 portable limit. Don't use
12122 printf when fputs will do.
12124 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12126 * combine.c (simplify_comparison <AND>): Check
12127 TRULY_NOOP_TRUNCATION before start using a subreg.
12129 * config/mips/mips.md (*branch_zero<mode>,
12130 *branch_zero<mode>_inverted, *branch_equality<mode>,
12131 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12132 Remove mode check from comparisons.
12134 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12136 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12138 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12140 * expmed.c (const_mult_add_overflow_p): Remove.
12141 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12143 * recog.c (validate_replace_rtx_subexp): Remove.
12144 * recog.h: Remove the prototype for
12145 validate_replace_rtx_subexp.
12147 * integrate.h: Remove the prototype for
12148 copy_decl_for_inlining.
12149 * rtl.h: Remove the prototype for mark_constant_function.
12150 * tree-vectorizer.h: Remove the prototype for
12151 vect_strip_conversion.
12153 * modulo-sched.c (create_partial_schedule,
12154 free_partial_schedule, reset_partial_schedule): Make them
12155 static.
12157 * hooks.c (hook_bool_rtx_int_false): Remove.
12158 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12160 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12162 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12163 and -mlong-double-128 are incompatible.
12164 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12165 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12166 (TARGET_LIBGCC2_CFLAGS): Define.
12167 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12168 (TARGET_LIBGCC2_CFLAGS): Same.
12169 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12171 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12173 PR c/19606.
12174 * c-typeck.c (build_binary_op): Perform implicit casts of
12175 operands before shortening them.
12177 * cfgloopmanip.c (split_loop_bb): Remove.
12178 * cfgloop.h: Remove the prototype for split_loop_bb.
12180 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12181 * cfgloop.h: Remove the prototype for
12182 flow_loop_outside_edge_p.
12184 * emit-rtl.c (init_virtual_regs): Make it static.
12185 * function.h: Remove the prototype for init_virtual_regs.
12187 * recog.c (peephole2_optimize): Make it static.
12188 * recog.h: Remove the prototype for peephole2_optimize.
12190 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12192 * df-scan.c (df_record_entry_block_defs): Check if
12193 INCOMING_RETURN_ADDR_RTX is defined.
12195 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12196 Kenneth Zadeck <zadeck@naturalbridge.com>
12198 PR rtl-optimization/24762
12199 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12200 * targhooks.c (hook_void_bitmap): New hook prototype.
12201 * targhoohs.h (hook_void_bitmap): Ditto.
12202 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12203 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12204 * target.h (live_on_entry): New function pointer.
12205 * df-scan.c (df_all_hard_regs): Removed.
12206 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12207 (df_scan_free_internal): Added df->entry_block_defs.
12208 (df_scan_alloc): Ditto.
12209 (df_scan_dump): Ditto.
12210 (df_uses_record): Plumbed flag field properly thru calls.
12211 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12212 This part fixes PR24762.
12213 (df_bb_refs_record): Added code to make the frame and arg
12214 pointers live in EH blocks.
12215 (df_refs_record): Added call to df_record_entry_block_defs.
12216 (df_record_entry_block_defs): New function.
12217 * df-core.c: Added comments to describe new artifical defs.
12218 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12219 (entry_block_defs): New field in struct df.
12220 (df_all_hard_regs): Deleted.
12221 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12222 * df-problems.c (df_ru_bb_local_compute_process_def):
12223 Added code to handle artifical defs in the entry to a function.
12224 (df_ru_bb_local_compute): Ditto.
12225 (df_rd_bb_local_compute_process_def): Ditto.
12226 (df_rd_bb_local_compute): Ditto.
12227 (df_lr_bb_local_compute): Ditto.
12228 (df_ur_bb_local_compute): Ditto.
12229 (df_urec_bb_local_compute): Ditto.
12230 (df_chain_create_bb): Ditto.
12231 (df_ur_local_finalize): Removed entry.
12232 (df_urec_init): Ditto.
12233 (df_urec_local_finalize): Ditto.
12234 (df_ri_bb_compute): Added detection of last use of pseudos.
12235 * Makefile.in (df-scan.o): Updated dependencies.
12236 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12237 * config/mips/mips.c (mips_set_live_on_entry): Added.
12238 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12239 for target hook.
12240 * dce.c (marked_insn_p): Added code to handle artifical defs.
12242 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12244 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12245 intrinsic.
12246 (_mm_cvtsi128_si64): Likewise.
12247 (_mm_cvtsd_si64): Likewise.
12248 (_mm_cvttsd_si64): Likewise.
12249 (_mm_cvtsi64_sd): Likewise.
12250 (_mm_cvtsi64_si128): Likewise.
12251 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12252 (_mm_cvtsi64_m64): Likewise.
12253 (_m_to_int64): Likewise.
12254 (_mm_cvtm64_si64): Likewise.
12255 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12256 (_mm_cvttss_si64): Likewise.
12257 (_mm_cvtsi64_ss): Likewise.
12258 (_mm_cvtss_f32): Likewise.
12260 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12262 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12263 for pragma redefine_extname.
12265 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12267 PR target/25864
12268 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12269 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12270 -mno-minimal-toc to previous content.
12271 (bispecs): Remove goal.
12272 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12273 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12274 compatibility aliases on powerpc-*-*gnu*.
12275 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12276 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12277 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12278 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12279 (ldblspecs): New goal.
12280 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12281 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12282 _df_to_tf.
12283 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12284 L_sf_to_tf or L_df_to_tf is defined.
12286 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12287 Alan Modra <amodra@bigpond.net.au>
12289 PR target/25864
12290 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12291 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12292 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12293 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12294 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12295 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12296 (rs6000_override_options): Initialize rs6000_ieeequad.
12297 Initialize TFmode format to ibm_extended_format if not
12298 TARGET_IEEEQUAD.
12299 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12300 ieeelongdouble.
12301 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12302 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12303 (function_arg_advance): IBM long double passed in two FPRs, not
12304 split.
12305 (function_arg): IBM long double passed in FPRs.
12306 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12307 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12308 Only multireg GPR aligned.
12309 (rs6000_init_libfuncs): Enable IBM long double functions if not
12310 IEEEQUAD.
12311 (rs6000_generate_compare): Use IBM long double compare if not
12312 TARGET_IEEEQUAD.
12313 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12314 (TARGET_IEEEQUAD): Define.
12315 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12316 not TARGET_IEEEQUAD.
12317 * config/rs6000/rs6000.md: Enable TFmode patterns if
12318 !TARGET_IEEEQUAD.
12319 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12320 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12321 and -mlong-double-128 are incompatible.
12322 * doc/invoke.texi (-mabi): Collect options together. Add
12323 ibmlongdouble and ieeelongdouble.
12325 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12327 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12328 opaque type.
12329 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12330 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12331 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12332 * rtl.h (rtunion_def): Remove rt_ptr.
12333 (X0PTR): Delete.
12334 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12335 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12336 * config/i386/winnt.c (i386_pe_mark_dllexport)
12337 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12339 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12341 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12343 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12345 PR other/24829
12346 PR target/24831
12347 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12348 pthread_key_delete. From John David Anglin. gthrw-ify
12349 pthread_getunique_np only if it it's not a macro. Delete
12350 UNUSED macro.
12351 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12352 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12353 __gthread_objc_condition_signal, __gthread_key_delete): Add
12354 "__attribute__ ((__unused__))" to unused arguments.
12355 (__gthread_recursive_mutex_init_function): Add missing return.
12356 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12357 gthr-posix95.h: Use macro-based approach for name redirection
12358 on targets missing weakref.
12360 2006-01-26 Zack Weinberg <zackw@panix.com>
12362 * genconditions.c (write_header): In generated code, #ifdef out
12363 all includes and fake declarations, except includes of bconfig.h
12364 and system.h, unless GCC_VERSION >= 3001. Do not include
12365 gensupport.h in any case.
12366 (write_conditions): Generate a definition of struct c_test. Add
12367 a comment to the generated #endif.
12368 (write_one_condition): Escape backslashes in string too.
12369 (write_writer): Generated code must escape backslashes and quote
12370 marks (but not newlines) in the strings it writes.
12371 * Makefile.in (build/gencondmd.o): Update dependencies.
12373 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12375 PR target/25961
12376 * Makefile.in (insn-automata.o): Add header file dependencies.
12377 * genautomata.c: Add includes.
12379 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12381 PR target/25961
12382 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12384 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12386 * configure.ac: Expect target tools paths to be passed from the toplevel
12387 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12388 AS_SET_VAR_IF.
12389 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12391 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12393 PR c/25892
12394 * c.opt (Wpointer-sign): Init to -1.
12395 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12396 OPT_pedantic, to 0 otherwise.
12397 * doc/invoke.texi: Update.
12399 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12401 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12402 constants provided by 80387 instructions in the destination mode.
12404 2006-01-26 Richard Guenther <rguenther@suse.de>
12405 Andrew Pinski <pinskia@physics.uc.edu>
12407 PR tree-opt/21470
12408 partial PR tree-opt/17064
12409 * tree-ssa-structalias.c (intra_create_variable_infos):
12410 Create heap variables for incoming parameters if
12411 flag_argument_noalias > 1.
12412 (find_what_p_points_to): Look through default defs of
12413 parameter decls.
12415 2006-01-26 Jeff Law <law@redhat.com>
12417 PR ada/25900
12418 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12419 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12420 within the VR_RANGE, use the VR_RANGE as the result, not the
12421 VR_ANTI_RANGE.
12422 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12423 bounds for the type.
12425 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12427 * tree-ssa-alias.c (maybe_create_global_var): Change
12428 subvar walking to an assertion that we don't have subvar'd variables.
12430 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12432 PR C/25861
12433 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12434 Use a new variable, inner. PARM_DECLs are always non-weak.
12436 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12438 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12439 --disable-checking.
12441 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12443 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12445 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12447 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12448 (smax_insn, smin_insn, smax_0, smin_0): New.
12450 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12452 PR target/25947
12453 * config/cris/cris.c (cris_order_for_addsi3): New function.
12454 * config/cris/cris-protos.h: Prototype it.
12455 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12456 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12457 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12458 (split for "op.S1 [rx=rx+i],ry (swapped)")
12459 (split for "op(s|u).S1 [rx=rx+i],ry")
12460 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12461 Apply cris_order_for_addsi3 when generating addsi3 insns.
12463 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12465 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12466 (TREE_BLOCK): Add call to EXPR_CHECK.
12468 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12470 PR 25886
12471 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12472 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12473 (dump_omp_clauses): ... here.
12474 (dump_generic_node): Handle OMP_CLAUSE.
12475 * tree.c (omp_clause_num_ops): New.
12476 (omp_clause_code_name): New.
12477 (tree_code_size): Handle OMP_CLAUSE.
12478 (tree_size): Likewise.
12479 (make_node): Document handling of OMP_CLAUSE.
12480 (tree_node_structure): Handle OMP_CLAUSE.
12481 (omp_clause_check_failed): New.
12482 (omp_clause_range_check_failed): New.
12483 (omp_clause_operand_check_failed): New.
12484 (build_omp_clause): New.
12485 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12486 * tree.h (enum omp_clause_code): Declare.
12487 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12488 (OMP_CLAUSE_RANGE_CHECK): Define.
12489 (OMP_CLAUSE_ELT_CHECK): Define.
12490 (omp_clause_check_failed): Declare.
12491 (omp_clause_operand_check_failed): Declare.
12492 (omp_clause_range_check_failed): Declare.
12493 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12494 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12495 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12496 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12497 (OMP_CLAUSE_IF_EXPR): Likewise.
12498 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12499 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12500 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12501 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12502 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12503 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12504 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12505 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12506 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12507 (OMP_CLAUSE_CODE): Define.
12508 (OMP_CLAUSE_SET_CODE): Define.
12509 (OMP_CLAUSE_CODE): Define.
12510 (OMP_CLAUSE_OPERAND): Define.
12511 (struct tree_omp_clause): Declare.
12512 (union tree_node): Add field 'omp_clause'.
12513 * treestruct.def (TS_OMP_CLAUSE): Define.
12514 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12515 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12516 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12517 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12518 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12519 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12520 (OMP_CLAUSE): Define.
12521 * print-tree.c (print_node): Handle OMP_CLAUSE.
12522 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12523 * c-typeck.c: Likewise.
12524 * gimplify.c: Likewise.
12525 * c-omp.c: Likewise.
12526 * tree-nested.c: Likewise.
12527 * tree-inline.c: Likewise.
12528 * c-parser.c: Likewise.
12529 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12530 clauses.
12532 2006-01-25 Roger Sayle <roger@eyesopen.com>
12534 PR rtl-optimization/25703
12535 * combine.c (try_combine): Handle zero_extract and strict_low_part
12536 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12538 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12540 * global.c: Fix comment typos.
12542 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12544 PR target/25758
12545 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12546 Use output_addr_const instead of assemble_name.
12548 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12550 * Makefile.in (sched-vis.o): Update dependencies.
12551 * haifa-sched.c (sched_finish): Clear current_sched_info.
12552 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12553 (dump_flow_info): Call it.
12554 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12555 a slim RTL dump.
12556 * basic-block.h (dump_bb_info): Declare.
12557 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12558 option, and apply options only for dump files whose TDF_RTL,
12559 TDF_TREE, or TDF_IPA bits match.
12560 * rtl.h: Declare new functions exported from sched-vis.c.
12561 * sched-vis.c: Enable also if scheduling is not used.
12562 (print_value): Print the mode of registers if not inside scheduling.
12563 (print_insn): Make it work outside the scheduler. Beautify the output
12564 a bit.
12565 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12567 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12569 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12570 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12571 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12572 depending on the value of CONSTANT_POOL_ADDRESS_P.
12573 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12574 SYMBOL_REF_DECL.
12575 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12576 rather than SYMBOL_REF_DECL.
12577 (rtx_constant_pool): Remove const_rtx_sym_htab.
12578 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12579 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12580 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12581 Remove handling of const_rtx_sym_htab.
12582 (find_pool_constant): Delete.
12583 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12584 rather than find_pool_constant.
12585 (get_pool_constant_for_function): Delete.
12586 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12587 find_pool_constant.
12588 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12589 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12590 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12591 (SYMBOL_REF_CONSTANT): New macro.
12592 (get_pool_constant_for_function): Delete.
12593 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12594 rather than SYMBOL_REF_DECL.
12595 (i386_pe_mark_dllimport): Likewise.
12596 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12597 rather than SYMBOL_REF_DECL.
12598 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12599 (machopic_indirect_call_target): Likewise.
12601 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12603 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12605 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12607 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12609 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12611 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12613 2006-01-24 David Daney <ddaney@avtrex.com>
12615 PR java/25816
12616 * configure.ac (enable_tls): New enable option.
12617 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12618 * configure: Regenerate.
12619 * doc/install.texi (--enable-tls): Document new option.
12620 (--disable-tls): Ditto.
12622 2006-01-24 Richard Henderson <rth@redehat.com>
12624 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12625 * alias.c (true_dependence): Respect it.
12626 (canon_true_dependence, write_dependence_p): Likewise.
12627 * builtins.c (get_builtin_sync_mem): Set it.
12629 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12631 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12632 efficient way.
12634 2006-01-24 DJ Delorie <dj@redhat.com>
12636 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12637 for storing constants in single-bit bitfields.
12639 2006-01-25 Ben Elliston <bje@au.ibm.com>
12641 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12643 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12645 PR tree-opt/25860
12646 * tree-ssa-pre.c (phi_translate): Return NULL
12647 for AGGREGATE_TYPE's.
12649 2006-01-24 Zack Weinberg <zackw@panix.com>
12651 * genautomata.c (process_state_for_insn_equiv_partition):
12652 Use xcalloc for insn_arcs_array.
12653 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12654 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12656 2006-01-24 Richard Henderson <rth@redhat.com>
12658 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12659 update all callers.
12661 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12663 PR rtl-optimization/25890
12664 PR rtl-optimization/25905
12665 * combine.c (expand_compound_operation, expand_field_assignment):
12666 Fail if the bitfield's final position is out of bounds.
12668 2006-01-24 Ian Lance Taylor <ian@airs.com>
12670 PR middle-end/25930
12671 * cgraphunit.c (cgraph_output_in_order): Don't clear
12672 cgraph_asm_nodes until after asm strings have been output.
12674 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12676 * fix-header.c (read_scan_file): Add new parameter imultilib when
12677 calling register_include_chains.
12679 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12681 * omp-low.c: Update documentation.
12683 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12684 Daniel Berlin <dberlin@dberlin.org>
12686 PR tree-opt/25315
12687 PR tree-opt/25857
12688 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12689 return from the function.
12691 2006-01-22 Zack Weinberg <zackw@panix.com>
12693 * rtl.def (match_code): Add second argument.
12694 * genpreds.c (write_extract_subexp): New function.
12695 (write_match_code): Add path argument. Use write_extract_subexp.
12696 (write_predicate_expr): Pass path to write_match_code.
12697 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12698 not perform a mode test.
12699 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12700 a subexpression does not constrain the top-level code set.
12701 * read-rtl.c (read_rtx_variadic): New function.
12702 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12703 * doc/md.texi: Document new notation.
12704 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12705 (cmpsi_operand): ... here, using new notation.
12707 2006-01-22 Zack Weinberg <zackw@panix.com>
12709 * varray.c: Remove GENERATOR_FILE #ifdefs.
12711 2006-01-22 Zack Weinberg <zackw@panix.com>
12713 * genautomata.c (output_reserved_units_table): Emit nothing if
12714 description->query_units_num is zero. Remove extra blank line.
12715 (output_cpu_unit_reservation_p): Short circuit
12716 if description->query_units_num is zero.
12718 2006-01-22 Zack Weinberg <zackw@panix.com>
12720 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12721 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12722 nor any of the random handful of variables that used to be necessary
12723 when this program was linked with rtlanal.o. Prune set of forward
12724 function declarations.
12725 (struct attr_desc): Remove static_p field.
12726 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12727 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12728 (attr_string): Do not read the character one past the length of
12729 the string.
12730 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12731 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12732 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12733 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12734 (make_automaton_attrs): New.
12735 (main): Do not call into genautomata. Call local gen_bypass
12736 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12737 Remove special case for insn_alts.
12738 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12739 varray.h (leftover from previous change). Prune set of forward
12740 function declarations. Remove state_alts fields from all
12741 structures. Remove state_alts_table from struct automaton.
12742 Make everything except main static. Do not maintain num_dfa_decls.
12743 Do not maintain state_alts fields of various structures.
12744 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12745 (add_arc): Remove state_alts argument. All callers updated.
12746 (output_reserved_units_table): Emit #ifdef here...
12747 (output_tables): ...not here. Don't generate state_alts tables.
12748 (expand_automata): Don't generate attributes.
12749 (write_automata): Don't generate state_alts functions.
12750 (main): New function.
12751 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12752 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12753 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12754 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12755 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12756 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12757 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12758 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12759 Delete.
12760 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12761 * genattrtab.h: Delete file.
12762 * Makefile.in (OBJS-common): Add insn-automata.o.
12763 (insn-automata.o): New rule.
12764 (simple_generated_c): Add insn-automata.c.
12765 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12766 (genprogmd): Add automata.
12767 (build/genattrtab): Needs no extra objects nor libraries.
12768 (build/genautomata): Needs build/vec.o and -lm.
12770 2006-01-22 Zack Weinberg <zackw@panix.com>
12772 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12773 (output_dfa_max_issue_rate, locked_states_num): Delete.
12774 (struct automaton): Add locked_states field.
12775 (output_dead_lock_vect): Save number of locked states in
12776 automaton->locked_states. If it is zero, don't print anything.
12777 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12778 (output_internal_dead_lock_func): Only test the dead_lock_vect
12779 for automata that have locked states.
12780 (output_statistics): Always print the number of locked states for
12781 each automaton. Calculate total number of locked states here.
12782 (write_automata): Don't call output_dfa_max_issue_rate.
12783 * genattrtab.c: Define length_unit_log as a const variable.
12784 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12785 max_insn_queue_index const.
12786 * final.c (length_unit_log): Declare const.
12787 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12789 2006-01-22 Zack Weinberg <zackw@panix.com>
12791 * genautomata.c: Include vec.h, not varray.h.
12792 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12793 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12794 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12795 VEC_* macros operating on appropriately typed vectors, or to
12796 malloced arrays when the size is known in advance. Const-ify
12797 many char* variables and function arguments. No functional changes.
12798 * Makefile.in (build/varray.o): Delete rule.
12799 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12800 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12802 2006-01-22 Zack Weinberg <zackw@panix.com>
12804 * gensupport.c: Define get_insn_name and record_insn_name here.
12805 (read_md_rtx): Call record_insn_name as appropriate.
12806 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12807 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12808 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12809 record_insn_name.
12810 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12811 (BUILD_VARRAY): Delete.
12812 (genprognormal): Rename genprogmd. Fold in all programs from
12813 genprognoprint; also attrtab.
12814 (build/genattrtab): Just mention genautomata.o and varray.o.
12815 Reorganize a bit, add comments to make the categories clearer.
12817 2006-01-22 Zack Weinberg <zackw@panix.com>
12819 * genconditions.c (condition_table, add_condition): Delete.
12820 (write_conditions): Don't emit n_insn_conditions nor
12821 insn_elision_unavailable. Issue the gcc version #ifdef here,
12822 inside the table, with no #else clause ...
12823 (write_header): ...not here.
12824 (write_writer): New function.
12825 (main): Don't initialize condition_table. Use add_c_test.
12826 Call write_writer.
12827 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12828 files on the command line.
12829 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12830 Return -1 if there is no entry in the table, don't abort.
12831 (add_c_test, traverse_c_tests): New functions.
12832 * gensupport.h (insn_elision_unavailable, insn_conditions)
12833 (n_insn_conditions): Delete declarations.
12834 (add_c_test, traverse_c_tests): Declare.
12835 * read-rtl.c: Include gensupport.h.
12836 (read_conditions): New function.
12837 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12838 (read_rtx_1): If we get EOF when we were looking for an initial
12839 open paren, return 0. Call read_conditions when appropriate.
12840 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12841 dummy-conditions.o. Eliminate references to insn-conditions.o,
12842 or change them to build/gencondmd.o, as appropriate. Remove
12843 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12844 from $(simple_generated_c). For all files remaining in those
12845 two lists, add insn-conditions.md to the generator command line.
12846 Give insn-constants.h/s-constants their own rules. Add rules
12847 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12848 (build/read-rtl.o): Depend on gensupport.h.
12849 (genprognormal): Include preds.
12850 (genprogearly): Rename genprognoprint; only difference is now that
12851 they don't link with $(BUILD_PRINT).
12852 * dummy-conditions.c: Delete.
12854 2006-01-22 Zack Weinberg <zackw@panix.com>
12856 * genextract.c: Don't include insn-config.h. Do include vec.h.
12857 Declare vectors of int, char, and locstr.
12858 (locstr): New typedef.
12859 (struct extraction): Make all array fields into bare pointers.
12860 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12861 (insn_code_number): Delete.
12862 (accum_extract): New struct.
12863 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12864 (gen_insn): Take insn_code_number as an argument. Use an
12865 accum_extract structure instead of loading data directly into
12866 a struct extraction, and having to know how big it might get.
12867 (walk_rtx): Operate entirely on an accum_extract structure.
12868 (print_path): Avoid unnecessary use of printf.
12869 (print_header): New function, split out of main. Distinguish
12870 more carefully between an unrecognizable insn and an insn that
12871 has the code number of a define_expand.
12872 (main): Pass insn_code_number to gen_insn. Call print_header
12873 only after parsing. Avoid unnecessary use of printf.
12874 * Makefile.in (build/vec.o): New rule.
12875 (build/genextract): Depend on build/vec.o.
12876 (build/genextract.o): Don't depend on insn-config.h.
12878 2006-01-22 Zack Weinberg <zackw@panix.com>
12880 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12881 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12882 practical. Eliminate per-generator-program link rules.
12884 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12886 PR middle-end/24437
12887 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12888 with a call expr to ...
12889 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12891 2006-01-23 Richard Guenther <rguenther@suse.de>
12893 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12894 before make_edge with conditional EDGE_TRUE_VALUE.
12896 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12897 Jan Hubicka <jh@suse.cz>
12898 Richard Guenther <rguenther@suse.de>
12900 PR rtl-optimization/25654
12901 * cfgexpand.c (aggregate_contains_union_type): New function.
12902 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12903 for structure variables that contain a union type.
12905 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12907 * gengtype.c (new_structure): Return the structure.
12908 (create_option): Add an extra "next" argument.
12909 (create_field): New function.
12910 (adjust_field_rtx_def): Use create_option and create_field.
12911 Remove a now-unnecessary call to find_structure.
12912 (adjust_field_tree_def): Likewise.
12913 (note_yacc_type): Remove an unnecessary call to find_structure.
12914 * gengtype.h (new_structure): Return the structure.
12915 (create_option): Add an extra argument.
12916 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12917 (option): Adjust calls to create_option.
12919 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12921 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12923 2006-01-22 Paul Brook <paul@codesourcery.com>
12924 Peter Barada <peter@the-baradas.com>
12926 * config/m68k/m68k.md: Add Coldfire FPU support.
12927 Define FP mode macro and associated attributes.
12928 Use it for float mode patterns.
12929 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12930 (LIBCALL_VALUE): Use m68k_libcall_value.
12931 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12932 (m68k_function_value): Ditto.
12933 (emit_move_sequence): Ditto.
12934 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12935 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12936 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12937 (MULTILIB_EXCEPTIONS): Ditto.
12938 * config/m68k/m68k.opt: Add mcfv4e.
12939 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12940 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12941 (m68k_output_function_prologue): Save ColdFire FPU registers.
12942 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12943 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12944 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12945 ColdFire FPU registers.
12946 (m68k_libcall_value, m68k_function_value): New functions.
12947 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12948 (LIBCALL_VALUE): Use m68k_libcall_value.
12949 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12950 (MASK_COLDFIRE): Add MASK_CFV4E.
12951 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12952 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12953 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12954 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12955 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12956 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12957 * doc/invoke.tex: Document -mcfv4e on m68k.
12959 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12961 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12962 URL.
12964 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12966 PR c++/16190
12967 * c-opts.c (c_common_handle_option): Don't include
12968 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12969 * doc/invoke.texi (C++ Dialect Options): Document that
12970 -Wnon-virtual-dtor is no longer included in -Wall.
12972 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12974 * gcov.c (print_version), gcov-dump.c (print_version),
12975 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12976 dates.
12978 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12980 * df-scan.c (problem_SCAN): Added NULL reset function.
12981 (df_scan_reset_blocks): Added code to call reset block function
12982 (df_bb_refs_delete) Fixed comment.
12983 (df_insn_refs_delete): Made tolerant of deleting non existent info
12984 for dataflow problems that need to be reset.
12985 * df-core.c (df_set_blocks): Ditto.
12986 * df.h (struct df_problem): Added reset_fun.
12987 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12988 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12989 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12990 functions to clear out all references to def-use or use-def chains.
12992 2006-01-21 Ben Elliston <bje@au.ibm.com>
12994 * varasm.c (assemble_real): Initialise data array.
12996 2006-01-20 Paul Brook <paul@codesourcery.com>
12998 Merge from csl-arm-branch.
12999 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13000 * config/arm/arm.md (movdi): Force operands[1] to a register
13001 if we have a non-register source.
13002 (*arm_movdi, *movdf_soft_insn): Require that one of the
13003 operands be a register.
13004 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13005 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13007 2006-01-20 DJ Delorie <dj@redhat.com>
13009 * varasm.c (initializer_constant_valid_p): Allow pointers
13010 initialized from integer constants of lesser precision.
13011 (output_constant): Allow non-int-sized pointer modes to be
13012 initialized from integer constants.
13014 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13016 PR libstdc++/25524
13017 * cppdefault.h (struct default_include): Add multilib flag.
13018 * cppdefault.c (cpp_include_defaults): Set it.
13019 * c.opt (-imultilib): New option.
13020 * c-opts.c (imultilib): New.
13021 (c_common_handle_option): Handle -imultilib.
13022 (c_common_post_options): Likewise.
13023 * c-incpath.c (add_standard_paths, register_include_chains):
13024 Likewise.
13025 * c-incpath.h (register_include_chains): Add extra parameter.
13026 * gcc.c (do_spec_1): Generate -imultilib option.
13027 (The Specs Language): Update %I description.
13028 (process_command): Update copyright notice.
13029 * doc/cppopts.texi (-imultilib): Document.
13030 * doc/invoke.texi (-imultilib): Include in option summary.
13031 (%I): Update specs documentation.
13033 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13035 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13037 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13039 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13040 label numbers.
13042 2006-01-20 Richard Guenther <rguenther@suse.de>
13043 Steven Bosscher <stevenb.gcc@gmail.com>
13045 PR rtl-optimization/24626
13046 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13047 EDGE_TRUE_VALUE if in RTL mode.
13049 Revert
13050 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13051 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13053 2006-01-20 Dirk Mueller <dmueller@suse.com>
13055 PR c++/5520
13056 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13057 instead of a special NOP marker.
13058 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13059 NOP marker handling.
13060 * c-common.h (empty_body_warning): Add forward declaration.
13061 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13062 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13064 2006-01-20 Paul Brook <paul@codesourcery.com>
13066 * Makefile.in (lang_checks): Keep going if mkdir fails.
13068 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13070 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13071 be able to clean out basic block when not necessary.
13072 (df_scan_free): Fixed to properly delete information if df is
13073 unused before calling df_finish.
13074 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13075 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13076 or comment typos.
13077 (df_bb_refs_delete): New function.
13078 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13079 * df-core.c (df_set_blocks): Added code to properly clean out
13080 unused blocks if they are not part of the blocks to consider.
13081 Added additional null check.
13082 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13083 be able to clean out basic block when not necessary
13084 * df.h (df_free_bb_function): Ditto.
13085 (df_bb_refs_delete): New function.
13086 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13087 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13088 basic block parameter to be able to clean out basic block when not
13089 necessary.
13090 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13091 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13092 Fixed to properly delete information if df is unused before
13093 calling df_finish.
13095 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13097 PR rtl-optimization/25799
13098 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13099 Corrected confluence operator to remove bits from op2 before oring
13100 with op1 rather than removing bits from op1.
13101 (df_ru_transfer_function): Corrected test on wrong bitmap which
13102 caused infinite loop. Both of these problems were introduced in
13103 the dataflow rewrite.
13105 2006-01-19 DJ Delorie <dj@redhat.com>
13107 * reload1.c (find_reload_regs): Note the details of reload
13108 failures in the dump file.
13109 (spill_failure): Likewise.
13111 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13113 * loop-iv.c: Include df.h and hashtab.h.
13114 (enum iv_grd_result): New enum.
13115 (DF_REF_IV, DF_REF_IV_SET): New macros.
13116 (struct biv_entry): New.
13117 (df, bivs): New global variables.
13118 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13119 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13120 Removed.
13121 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13122 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13123 analyzed_for_bivness_p, record_biv): New functions.
13124 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13125 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13126 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13127 UD chains.
13128 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13129 analysed.
13130 (iv_number_of_iterations): Use new interface to iv analysis.
13131 * loop-unroll.c: Do not include varray.h.
13132 (analyze_iv_to_split_insn): Use new interface to iv
13133 analysis.
13134 * loop-unswitch.c (may_unswitch_on): Ditto.
13135 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13136 allocated.
13137 (df_bb_modify): Realloc tables to the new index.
13138 (df_find_use): New function.
13139 * df.h (df_find_use): Declare.
13140 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13141 outmode.
13142 * cfgloop.h (struct rtx_iv): Remove analysed field.
13143 (iv_get_reaching_def): Removed.
13144 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13145 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13146 (loop-iv.o): Add df.h and hashtab.h dependency.
13147 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13149 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13151 PR target/25668
13152 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13153 Double TFmode.
13154 (__floatundisf, __floatundidf): Likewise.
13155 * libgcc2.h (IS_IBM_EXTENDED): Define.
13157 2006-01-19 DJ Delorie <dj@redhat.com>
13159 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13161 2006-01-19 Paul Brook <paul@codesourcery.com>
13163 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13164 as nothrow when unwinding tables are disabled.
13166 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13168 PR testsuite/25171
13169 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13170 of bit-field" when in system header.
13172 2006-01-19 DJ Delorie <dj@redhat.com>
13174 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13175 the 16 bit shift limit of the m16c.
13177 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13179 PR target/22099
13180 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13181 * config/i386/i386.c (output_set_got): Output the label if we have one
13182 for the TARGET_DEEP_BRANCH_PREDICTION case.
13184 2006-01-19 Jan Hubicka <jh@suse.cz>
13185 H.J. Lu <hongjiu.lu@intel.com>
13186 Evandro Menezes <evandro.menezes@amd.com>
13188 * invoke.texi (generic): Document
13189 (i686) Update.
13190 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13191 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13192 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13193 (x86_use_incdec, x86_pad_returns): New variables
13194 (TARGET_CPU_DEFAULT_generic): New constant
13195 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13196 (enum processor_type): Add generic32 and generic64.
13197 * i386.md (cpu attribute): Add generic32/generic64
13198 (movhi splitter): Behave sanely when both partial_reg_dependency and
13199 partial_reg_stall are set.
13200 (K8 splitters): Enable for generic as well.
13201 * predicates.md (incdec_operand): Use TARGET_INCDEC
13202 (aligned_operand): Avoid memory mismatch stalls.
13203 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13204 * ppro.md: Enable for generic32
13205 * i386.c (generic64_cost, generic32_cost): New.
13206 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13207 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13208 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13209 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13210 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13211 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13212 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13213 x86_accumulate_outgoing_args, x86_prologue_using_move,
13214 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13215 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13216 Enable for generic.
13217 (x86_use_incdec, x86_pad_returns): New.
13218 (override_options): Add generic32 and generic64, translate "generic"
13219 to generic32/generic64 and "i686" to "generic32", refuse
13220 "generic32"/"generic64" as arch target.
13221 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13222 (ix86_reorg): Honor PAD_RETURNS.
13224 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13226 * tree-pretty-print.c (dump_generic_node): Handle
13227 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13228 * cgraph.c (cgraph_expand_queue): Rename from
13229 cgraph_analyze_queue. Update all users.
13230 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13231 cgraph_expand_queue.
13232 (cgraph_expand_all_functions): Likewise.
13233 (cgraph_finalize_pending_functions): Remove. Update callers.
13235 * tree.h (OMP_DIRECTIVE_P): Define.
13236 (OMP_PARALLEL_FN): Define.
13237 (OMP_PARALLEL_DATA_ARG): Define.
13238 (OMP_SECTIONS_SECTIONS): Define.
13239 * tree-pass.h (pass_expand_omp): Declare.
13240 * omp-low.c (struct omp_region): Declare.
13241 (struct omp_context): Remove fields 'parallel_type',
13242 'parallel_start_ix' and 'parallel_start_additional_args'.
13243 Update all users.
13244 (struct omp_for_data): Rename from struct expand_omp_for_data.
13245 (omp_regions): New static variable.
13246 (root_omp_region): New static variable.
13247 (find_omp_clause): Make static.
13248 (is_in_combined_parallel_ctx): Remove.
13249 (is_combined_parallel): New.
13250 (extract_omp_for_data): Move earlier in the file.
13251 (workshare_safe_to_combine_p): New.
13252 (get_ws_args_for): New.
13253 (determine_parallel_type): Move earlier in the file.
13254 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13255 child function.
13256 (omp_copy_decl): Likewise.
13257 (create_omp_child_function): Likewise.
13258 (lookup_omp_region): New.
13259 (dump_omp_region): New.
13260 (debug_omp_region): New.
13261 (debug_all_omp_regions): New.
13262 (new_omp_region): New.
13263 (scan_omp_parallel): If parallel_nesting_level > 1, the
13264 directive is nested within another parallel directive.
13265 Set OMP_PARALLEL_FN.
13266 (scan_omp_for): Do not try to handle combined parallel+for
13267 cases.
13268 Remove FIXME comment.
13269 (scan_omp_nested): Remove.
13270 (scan_omp_1): Do not call scan_omp_nested when
13271 parallel_nesting_level is > 1.
13272 Do not change the DECL_CONTEXT of local variables found.
13273 (lookup_decl_in_outer_ctx): New.
13274 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13275 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13276 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13277 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13278 If CTX is nested, lookup VAR in the outer context when
13279 building copy assignment.
13280 (lower_send_clauses): Rename from expand_send_clauses.
13281 If CTX is nested, lookup VAR in the outer context when
13282 building copy assignments.
13283 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13284 If CTX is nested, lookup VAR in the outer context when
13285 building copy assignments.
13286 (expand_parallel_call): Rename from build_parallel_call.
13287 Handle combined parallel+workshare cases.
13288 Re-implement to emit code into the CFG.
13289 (list2chain): New.
13290 (expand_omp_parallel): Re-implement to emit code into the CFG.
13291 Call move_sese_region_to_fn to outline the sub-graph
13292 containing the parallel region.
13293 (expand_omp_for_1): Remove.
13294 (expand_omp_for_generic): Re-implement to emit code into the
13295 CFG.
13296 (expand_omp_for_static_nochunk): Likewise.
13297 (expand_omp_for_static_chunk): Likewise.
13298 (expand_omp_for): Likewise.
13299 (expand_omp_sections): Likewise.
13300 (remove_exit_barriers): New.
13301 (expand_omp_synch): New.
13302 (expand_omp): New.
13303 (build_omp_regions_1): New.
13304 (build_omp_regions): New.
13305 (execute_expand_omp): New.
13306 (gate_expand_omp): New.
13307 (pass_expand_omp): Define.
13308 (lower_omp_sections): Rename from expand_omp_sections.
13309 Set OMP_SECTIONS_SECTIONS.
13310 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13311 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13312 (lower_omp_single): Rename from expand_omp_simple.
13313 (lower_omp_master): Rename from expand_omp_master.
13314 (lower_omp_ordered): Rename from expand_omp_ordered.
13315 (lower_omp_critical): Rename from expand_omp_critical.
13316 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13317 (lower_omp_for): Re-implement.
13318 (lower_omp_parallel): Re-implement.
13319 (lower_regimplify): Rename from expand_regimplify.
13320 (lower_omp_1): Rename from expand_omp_1.
13321 If there are syntax errors in the program, replace every
13322 OpenMP directive with NOP.
13323 Call lower_omp_* instead of expand_omp_*.
13324 (lower_omp): Rename from expand_omp.
13326 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13327 * tree-gimple.h (enum omp_parallel_type): Remove.
13328 (gimple_boolify): Declare extern.
13329 (find_omp_clause, determine_parallel_type): Remove.
13331 * gimple-low.c (lower_omp_directive): New.
13332 (lower_stmt): Call it.
13333 (record_vars_into): Move from ...
13334 (record_vars): ... here.
13335 Call record_vars_into with current_function_decl.
13337 * gimplify.c (struct gimplify_ctx): Remove fields
13338 combined_pre_p and combined_ctxp. Update users.
13339 (get_formal_tmp_var): Add documentation.
13340 (gimple_boolify): Make extern.
13341 (gimplify_expr_in_ctx): Remove. Update callers.
13342 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13343 will always be a BIND_EXPR.
13344 (gimplify_expr): Handle OMP_RETURN_EXPR.
13345 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13346 (OMP_PARALLEL): Add 3 operands.
13347 (OMP_SECTIONS): Add 1 operand.
13348 (OMP_RETURN_EXPR): Define.
13350 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13351 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13352 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13353 creating a circular free list.
13354 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13356 * tree-flow.h (move_sese_region_to_fn): Declare.
13357 (record_vars_into): Declare.
13358 * tree-cfg.c (make_omp_sections_edges): New.
13359 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13360 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13361 OMP_SECTIONS and OMP_SECTION.
13362 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13363 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13364 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13365 (gather_blocks_in_sese_region): New.
13366 (struct move_stmt_d): Declare.
13367 (move_stmt_r): New.
13368 (move_block_to_fn): New.
13369 (move_sese_region_to_fn): New.
13371 * passes.c (init_optimization_passes): Schedule
13372 pass_expand_omp after pass_init_datastructures.
13374 * tree-ssa-operands.c (get_expr_operands): Handle
13375 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13376 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13378 2006-01-19 Jeff Law <law@redhat.com>
13380 * tree-vrp.c (extract_range_from_assert): Refine the result range
13381 if the variable referenced by the ASSERT_EXPR has a range and
13382 either the tentative result range or the previous range is a
13383 VR_ANTI_RANGE.
13385 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13387 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13389 2006-01-19 Jan Hubicka <jh@suse.cz>
13391 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13393 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13395 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13396 (expand_compound_operation, expand_field_assignment): Fail if the
13397 bit lengths of an extract operation are out of range.
13398 (make_extraction): Compute wanted_inner_mode based on the position
13399 and length of the extraction. Make it extraction_mode for non-constant
13400 positions, and do not modify offset in that case. When generating a
13401 new MEM, use a mode that can hold the extraction while keeping correct
13402 alignment. Remove code that supported MEMs wrapped by USEs.
13403 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13405 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13407 * config/s390/s390.md ("Y", "y"): New mode attribute.
13408 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13409 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13410 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13411 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13412 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13413 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13414 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13415 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13416 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13417 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13418 "addsi3", "subsi3"): Insn patterns removed.
13419 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13420 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13421 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13422 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13423 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13424 "*sub<mode>3_cconly2"): New insn patterns.
13425 ("addsi3", "subsi3"): New expanders.
13427 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13429 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13430 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13431 existing STMT_VINFO_VECTYPE if available.
13432 (vect_mark_relevant): Add special handling for stmts that are
13433 marked as STMT_VINFO_IN_PATTERN_P.
13434 (vect_analyze_loop): Call vect_pattern_recog.
13435 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13436 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13437 stmt_info.
13438 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13439 (vect_recog_func_ptr): New function-pointer type.
13440 * tree-vect-patterns.c: New file.
13441 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13442 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13443 (vect_pattern_recog_1): New functions.
13444 (vect_pattern_recog_funcs): New array of function pointers.
13446 * tree-vectorizer.h (ternary_op): New enum value.
13447 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13448 declaration. Revised documentation. Removed redundant dump prints.
13449 Removed redundant argument. Added support for reduction patterns.
13450 (vectorizable_reduction): Added support for reduction patterns.
13451 (vect_transform_stmt): Added support for patterns.
13453 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13454 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13455 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13456 (expand_widen_pattern_expr): New function.
13457 (init_optabs): Initialize new optabs udot_prod_optab,
13458 sdot_prod_optab.
13459 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13460 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13461 (expand_widen_pattern_expr): New function declaration.
13462 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13463 tree-codes.
13464 * tree-inline.c (estimate_num_insns_1): Added cases for new
13465 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13466 * tree-pretty-print.c (dump_generic_node): Likewise.
13467 (op_prio): Likewise.
13468 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13469 * tree-ssa-operands.c (get_expr_operands): Added case for
13470 DOT_PROD_EXPR.
13471 * tree-vect-patterns.c (widened_name_p): New function.
13472 (vect_recog_dot_prod_pattern): Added function implementation.
13473 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13474 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13475 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13476 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13478 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13479 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13480 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13481 (init_optabs): Initialize new optabs widen_ssum_optab,
13482 widen_usum_optab.
13483 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13484 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13485 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13486 use instead of type of def.
13487 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13488 function implementation.
13489 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13490 widen_ssumv8hi): New.
13492 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13493 patterns.
13495 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13497 PR c/25805
13498 * c-decl.c (add_flexible_array_elts_to_size): New function.
13499 (finish_decl): Use it.
13501 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13503 * diagnostic.h: Include options.h.
13504 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13505 dependancies for diagnostic.h.
13506 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13508 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13510 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13511 (ssa_ro_call_cache_valid): Ditto.
13512 * tree-ssa-alias.c (sort_tags_by_id): New function.
13513 (init_transitive_clobber_worklist): Ditto.
13514 (add_to_worklist): Ditto.
13515 (mark_aliases_call_clobbered): Ditto.
13516 (compute_tag_properties): Ditto.
13517 (set_initial_properties): Ditto.
13518 (compute_call_clobbered): Ditto.
13519 (compute_may_aliases): Call compute_call_clobbered and grouping.
13520 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13521 (compute_flow_insensitive_aliasing): Grouping now happens in our
13522 caller.
13523 (setup_pointers_and_addressables): Remove clobbering related code.
13524 (add_may_alias): Ditto.
13525 (replace_may_alias): Ditto.
13526 (get_nmt_for): Ditto.
13527 (create_global_var):
13528 (is_escape_site): Return an escape_type enumeration.
13529 * tree-flow-inline.h (is_call_clobbered): Global var does not
13530 imply call clobbered.
13531 (mark_call_clobbered): Take a reason for marking this. Remove
13532 marking of globalness, and cache invalidation.
13533 (clear_call_clobbered): Remove cache invalidation code.
13534 * tree-dfa.c (dump_variable): If details is on, dump the reason
13535 for escaping.
13536 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13537 variable.
13538 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13539 (struct var_ann_d): Ditto.
13540 (enum escape_type): New.
13541 (mark_call_clobbered): Adjust prototype.
13542 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13543 are never call clobbered.
13544 Record reasons for escaping.
13545 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13546 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13547 (ssa_ro_call_cache_valid): Ditto.
13548 (clobbered_v_may_defs): Ditto.
13549 (clobbered_vuses): Ditto.
13550 (ro_call_vuses): Ditto.
13551 (clobber_stats): New.
13552 (init_ssa_operands): Zero out clobber stats.
13553 (fini_ssa_operands): Print out clobber stats.
13554 (get_call_expr_operands): Pass callee fndecl to
13555 add_call_read_ops).
13556 (add_call_clobber_ops): Remove use of cache.
13557 Add use of PURE_CONST information.
13558 (add_call_read_ops): Remove use of cache.
13559 Add use of static not_read information.
13561 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13563 Introduce TLS descriptors for i386 and x86_64.
13564 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13565 (TARGET_ANY_GNU_TLS): New macro.
13566 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13567 (struct machine_function): Add tls_descriptor_call_expanded_p.
13568 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13569 (ix86_current_function_calls_tls_descriptor): Likewise.
13570 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13571 (override_options): Introduce gnu2 tls dialect.
13572 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13573 not leaves.
13574 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13575 Likewise.
13576 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13577 (ix86_init_machine_status): Initialize new field.
13578 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13579 (ix86_tls_module_base): New.
13580 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13581 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13582 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13583 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13584 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13585 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13586 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13587 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13588 * config/i386/predicates.md (tls_modbase_operand): New.
13589 (tp_or_register_operand): New.
13591 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13593 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13594 (look_for_address_of): Ditto.
13595 (ipa_init): Walk the function decls.
13596 (static_execute): Don't set readonly on FUNCTION_DECL's.
13598 2006-01-18 Roger Sayle <roger@eyesopen.com>
13600 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13601 for shifts where the source and destination registers are different.
13603 2006-01-18 Paul Brook <paul@codesourcery.com>
13605 Merge from csl-arm-branch.
13606 2005-03-14 Julian Brown <julian@codesourcery.com>
13607 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13608 (aeabi_llsl): Likewise.
13609 (ashrdi3): Likewise.
13610 (aeabi_lasr): Likewise.
13611 (lshrdi3): Likewise.
13612 (aeabi_llsr): Likewise.
13613 2005-03-10 Julian Brown <julian@codesourcery.com>
13614 * config.gcc: Disable shared libgcc for SymbianOS.
13615 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13617 2006-01-18 DJ Delorie <dj@redhat.com>
13619 * c-pragma.c (handle_pragma_diagnostic): New.
13620 (init_pragma): Register it.
13621 * doc/extend.texi: Document it.
13623 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13624 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13625 (diagnostic_context): Add classify_diagnostic[].
13626 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13627 as errors if they're overridden to DK_WARNING.
13628 (diagnostic_initialize): Initialize classify_diagnostic[].
13629 (diagnostic_set_kind_override): New.
13630 (diagnostic_report_diagnostic): Check for kind changes.
13631 * opts.c (common_handle_option): Take lang_mask. Update callers.
13632 Handle OPT_Werror_.
13633 * common.opt (Werror=): New.
13634 * doc/invoke.texi: Document -Werror=*
13636 2006-01-18 Jeff Law <law@redhat.com>
13638 * tree-vrp.c (test_for_singularity): Correct test for new
13639 min limit. Use operand_equal_p rather than pointer equality
13640 for testing if new min/max values are equal.
13642 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13643 using range information until after propagation and folding.
13645 2006-01-18 Richard Henderson <rth@redhat.com>
13646 Aldy Hernandez <aldyh@redhat.com>
13647 Jakub Jelinek <jakub@redhat.com>
13648 Diego Novillo <dnovillo@redhat.com>
13650 * omp-low.c: New file.
13651 * c-omp.c: New file.
13653 2006-01-18 Richard Henderson <rth@redhat.com>
13654 Jakub Jelinek <jakub@redhat.com>
13655 Diego Novillo <dnovillo@redhat.com>
13657 * doc/invoke.texi: Document -fopenmp.
13658 * tree-dump.h (debug_function): Declare.
13659 * hooks.c (hook_bool_tree_bool_false): New function.
13660 (hook_tree_tree_null): Remove.
13661 (hook_tree_tree_tree_null): New.
13662 * hooks.h: Update to match.
13663 * tree-pretty-print.c (debug_tree_chain): New.
13664 (print_generic_expr): Handle TDF_CHAIN.
13665 (dump_generic_node): Handle BLOCK.
13666 Do not abort with incomplete SWITCH_EXPRs.
13667 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13668 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13669 print space after directive name.
13670 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13671 Handle OMP_MASTER and OMP_ORDERED.
13672 Handle printing of OMP_BODY just in one place, goto
13673 dump_omp_body in the rest of OMP_* nodes that have
13674 OMP_BODY.
13675 Don't handle clause nodes here. Update omp statements to
13676 use dump_omp_clauses.
13677 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13678 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13679 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13680 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13681 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13682 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13683 Adjust output for GOMP_PARALLEL.
13684 (dump_omp_clauses): New.
13685 (print_declaration): Dump DECL_VALUE_EXPR.
13686 (op_symbol_1): Split out of op_symbol.
13687 (dumping_stmts): Remove. Update all users.
13688 * cgraph.c (cgraph_analyze_queue): New.
13689 (cgraph_add_new_function): New.
13690 * cgraph.h (cgraph_analyze_queue): Declare.
13691 (cgraph_add_new_function): Declare.
13692 (cgraph_lower_function): Remove.
13693 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13694 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13695 and TYPE_P nodes in its default clause.
13696 (empty_body_p): New.
13697 (tree_range_check_failed): New.
13698 (build5_stat): New.
13699 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13700 OMP_CLAUSE_REDUCTION_MERGE,
13701 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13702 OMP_CLAUSE_PRIVATE_DEBUG,
13703 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13704 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13705 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13706 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13707 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13708 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13709 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13710 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13711 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13712 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13713 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13714 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13715 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13716 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13717 (TREE_RANGE_CHECK): New.
13718 (empty_body_p): Declare.
13719 (enum omp_clause_default_kind): New.
13720 (build_string_literal): Declare.
13721 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13722 (build5_stat, build5): Declare.
13723 * tree-pass.h (TDF_CHAIN): Define.
13724 * tree-pass.h (PROP_gimple_lomp): Define.
13725 (pass_lower_omp): Declare.
13726 * diagnostic.h (debug_tree_chain): Declare.
13727 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13728 mode_for_size.
13729 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13730 * builtins.c (build_string_literal): Make extern.
13731 * gcc.c (include_spec_function): New.
13732 (static_spec_functions): Add it.
13733 (main): Move load of libgomp.spec ...
13734 (LINK_COMMAND_SPEC): ... here.
13735 (link_gomp_spec): New.
13736 (static_specs): Include it.
13737 (LINK_COMMAND_SPEC): Add link_gomp.
13738 (GOMP_SELF_SPECS): New.
13739 (driver_self_specs): Include it.
13740 (switch_matches): Don't mark inline.
13741 (main): Load libgomp.spec.
13742 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13743 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13744 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13745 * tree-gimple.h (enum omp_parallel): Declare.
13746 (determine_parallel_type): Declare.
13747 (omp_firstprivatize_variable): Declare.
13748 (omp_reduction_init): Declare.
13749 (diagnose_omp_structured_block_errors): Declare.
13750 (struct walk_stmt_info): Add want_return_expr.
13751 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13752 (find_omp_clause): Declare.
13753 (insert_field_into_struct): Declare.
13754 (struct walk_stmt_info): Move from tree-nested.c
13755 (walk_stmts): Declare.
13756 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13757 to 200505.
13758 * cgraphunit.c (cgraph_lower_function): Make static.
13759 (cgraph_finalize_pending_functions): New.
13760 (cgraph_finalize_function): Call it.
13761 (cgraph_finalize_compilation_unit): Likewise.
13762 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13763 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13764 (BT_FN_UINT_UINT): New.
13765 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13766 DEF_FUNCTION_TYPE_VAR_4): Document.
13767 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13768 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13769 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13770 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13771 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13772 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13773 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13774 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13775 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13776 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13777 into separate files.
13778 (DEF_GOMP_BUILTIN): New.
13779 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13780 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13781 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13782 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13783 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13784 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13785 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13786 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13787 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13788 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13789 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13790 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13791 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13792 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13793 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13794 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13795 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13796 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13797 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13798 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13799 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13800 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13801 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13802 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13803 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13804 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13805 * sync-builtins.def: New file, moved from builtins.def.
13806 * omp-builtins.def: New file, moved from builtins.def.
13807 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13808 * gimple-low.c (lower_function_body): Clear data.
13809 (lower_stmt): Do not handle COMPOUND_EXPR.
13810 Remove call to print_node_brief.
13811 * c-tree.h (c_finish_omp_clauses): New prototype.
13812 (C_DECL_THREADPRIVATE_P): Define.
13813 (lookup_name_no_remap, c_omp_remap_private): Remove
13814 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13815 (check_for_loop_decls): Update decl.
13816 (lookup_name_no_remap, c_omp_remap_private): Declare.
13817 (build_indirect_ref, build_modify_expr, pushdecl,
13818 pushdecl_top_level): Move to c-common.h.
13819 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13820 before the switch, but just in the 2 places that need it.
13821 * c-decl.c (diagnose_mismatched_decls): Do not check for
13822 mismatched thread-local attributes when OLDDECL is marked
13823 threadprivate and NEWDECL has no thread-local attributes.
13824 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13825 (c_gimple_diagnostics_recursively): Rename from
13826 c_warn_unused_result_recursively. Invoke
13827 diagnose_omp_structured_block_errors.
13828 (check_for_loop_decls): Return a singular decl found.
13829 * langhooks.c (lhd_omp_predetermined_sharing): Return
13830 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13831 (lhd_omp_firstprivatize_type_sizes): New.
13832 (lhd_omp_assignment): New.
13833 (lhd_omp_predetermined_sharing): New.
13834 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13835 (struct lang_hooks_for_types): Add
13836 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13837 omp_predetermined_sharing, omp_disregard_value_expr,
13838 omp_private_debug_clause, omp_clause_default_ctor,
13839 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13840 (c_finish_omp_clauses): New.
13841 (c_finish_bc_stmt): Diagnose break within omp for.
13842 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13843 (build_unary_op): Return error_mark after reporting
13844 a readonly_error.
13845 (build_modify_expr): Likewise.
13846 * gimplify.c: Include optabs.h and pointer-set.h.
13847 (enum gimplify_omp_var_data): Declare.
13848 (struct gimplify_omp_ctx): Declare.
13849 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13850 and combined_ctxp.
13851 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13852 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13853 (splay_tree_compare_decl_uid): New.
13854 (new_omp_context): New.
13855 (delete_omp_context): New.
13856 (gimple_add_tmp_var): Call omp_add_variable.
13857 (gimplify_bind_expr): Likewise.
13858 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13859 true, disregard DECL_VALUE_EXPR on the decl if any.
13860 (gimplify_expr_in_ctx): New.
13861 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13862 omp_add_variable, omp_notice_variable, omp_is_private
13863 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13864 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13865 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13866 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13867 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13868 gimplify_omp_atomic): New.
13869 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13870 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13871 OMP_CRITICAL and OMP_ATOMIC.
13872 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13873 * c-pragma.h (enum pragma_kind): Add
13874 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13875 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13876 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13877 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13878 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13879 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13880 PRAGMA_OMP_THREADPRIVATE.
13881 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13882 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13883 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13884 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13885 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13886 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13887 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13888 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13889 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13890 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13891 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13892 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13893 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13894 OpenMP directives.
13895 (struct nesting_info): Add field_map,
13896 suppress_expansion, debug_var_chain.
13897 (create_nesting_tree): Initialize them.
13898 (lookup_field_for_decl): Use field_map.
13899 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13900 (convert_local_omp_clauses): New.
13901 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13902 (walk_body): Split out of walk_function.
13903 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13904 (convert_nonlocal_reference): Handle omp statements.
13905 (convert_local_reference): Likewise.
13906 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13907 (unnest_nesting_tree): New.
13908 (lower_nested_functions): Call it.
13909 (insert_field_into_struct): Make extern.
13910 (struct walk_stmt_info): Move to tree-gimple.h.
13911 (walk_stmts): Make extern.
13912 * omp-builtins.def: New file.
13913 * tree-iterator.c (expr_only): Clarify comment.
13914 * c-common.h (pushdecl_top_level, pushdecl,
13915 build_modify_expr, build_indirect_ref,
13916 c_finish_omp_master, c_finish_omp_critical,
13917 c_finish_omp_ordered, c_finish_omp_barrier,
13918 c_finish_omp_atomic, c_finish_omp_flush,
13919 c_finish_omp_for, c_split_parallel_clauses,
13920 omp_clause_default_kind, c_omp_sharing_predetermined,
13921 c_omp_remap_decl): Declare.
13922 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13923 (OBJS-common): Add omp-low.o.
13924 (c-omp.o, omp-low.o): Add.
13925 (gimplify.o): Add dependency on $(OPTABS_H).
13926 (GTFILES): Add omp-low.c.
13927 (gt-stringpool.h): Add.
13928 * tree-cfg.c (set_bb_for_stmt): Do not update the
13929 block-to-labels map if we are currently expanding to RTL.
13930 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13931 checks.
13932 Handle IDENTIFIER_NODE.
13933 (tree_verify_flow_info): Do not ICE when emitting error
13934 messages about invalid labels.
13935 (dump_function_to_file): Reset CFUN before emitting the body
13936 of the function.
13937 (debug_function): New.
13938 * passes.c (init_optimization_passes): Schedule
13939 pass_lower_omp.
13940 * langhooks-def.h (lhd_omp_predetermined_sharing,
13941 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13942 Declare.
13943 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13944 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13945 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13946 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13947 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13948 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13949 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13950 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13951 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13952 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13953 (LANG_HOOK_DECLS): Use them.
13955 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13956 Richard Henderson <rth@redhat.com>
13957 Jakub Jelinek <jakub@redhat.com>
13958 Diego Novillo <dnovillo@redhat.com>
13960 * c-parser.c (pragma_omp_clause): Define.
13961 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13962 (c_parser_compound_statement): Likewise.
13963 (c_parser_statement): Likewise.
13964 (c_parser_pragma): Handle omp pragmas.
13965 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13966 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13967 (c_parser_omp_clause_name, check_no_duplicate_clause,
13968 c_parser_omp_variable_list,
13969 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13970 c_parser_omp_clause_copyprivate,
13971 c_parser_omp_clause_default,
13972 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13973 c_parser_omp_clause_lastprivate,
13974 c_parser_omp_clause_nowait,
13975 c_parser_omp_clause_num_threads,
13976 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13977 c_parser_omp_clause_reduction,
13978 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13979 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13980 c_parser_omp_atomic, c_parser_omp_barrier,
13981 c_parser_omp_critical, c_parser_omp_flush,
13982 c_parser_omp_for_loop, c_parser_omp_for,
13983 c_parser_omp_master, c_parser_omp_ordered,
13984 c_parser_omp_sections_scope, c_parser_omp_sections,
13985 c_parser_omp_parallel, c_parser_omp_single,
13986 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13987 * c-pragma.c (init_pragma): Do omp pragma registration here.
13988 * c.opt (fopenmp): New flag.
13990 2006-01-18 Eric Christopher <echristo@apple.com>
13992 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13993 * config/darwin.h (GOMP_SELF_SPECS): Define.
13995 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13997 * rtl.h: Remove the prototype for reg_alloc.
13999 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14001 PR target/25731
14002 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14003 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14004 sjlj and dwarf2 exception handling.
14005 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14006 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14007 * pa/pa.c (function_value): Treat complex and vector types as
14008 aggregates.
14009 (function_arg): Likewise. Only pass scalar floats in the floating
14010 point argument registers.
14011 * pa/t-slibgcc-dwarf-ver: New file.
14012 * pa/t-slibgcc-sjlj-ver: New file.
14013 * pa/t-slibgcc-elf-ver: Delete file.
14015 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14017 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14018 unlikely_test_section_p test.
14020 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14022 * mode-switching.c (optimize_mode_switching): Make it static.
14023 * basic-block.h: Remove the prototype for
14024 optimize_mode_switching.
14026 * modulo-sched.c (sms_schedule): Make it static.
14027 * rtl.h: Remove the prototype for sms_schedule.
14029 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14030 * rtl.h: Remove the prototype for gcse_after_reload_main.
14032 * reg-stack.c (reg_to_stack): Make it static.
14033 * rtl.h: Remove the prototype for reg_to_stack.
14035 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14036 Make them static.
14037 * rtl.h: Remove the prototypes for regrename_optimize and
14038 copyprop_hardreg_forward.
14040 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14042 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14043 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14044 Test against the appropriate null constant for the mode.
14045 If 'fixup_overlap' is true, swap the operands if they overlap.
14046 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14047 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14048 alpha_split_tmode_pair and adjust for above change.
14049 * config/alpha/alpha.md (movtf_internal): Adjust call to
14050 alpha_split_tfmode_pair and rely on it to swap the operands.
14051 (movti_internal): New insn and post-reload splitter.
14052 (movti): New expander.
14054 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14056 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14057 operands.
14059 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14061 * rtlanal.c (global_reg_mentioned_p_1,
14062 global_reg_mentioned_p): Remove.
14063 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14065 * flow.c (initialize_uninitialized_subregs): Make it static.
14066 * rtl.h: Remove the prototype for
14067 initialize_uninitialized_subregs.
14069 * function.c (instantiate_virtual_regs): Make it static.
14070 * function.h: Remove the prototype for
14071 instantiate_virtual_regs.
14073 * regmove.c (regmove_optimize, combine_stack_adjustments):
14074 Make them static.
14075 * rtl.h: Remove the prototypes for regmove_optimize and
14076 combine_stack_adjustments.
14078 2006-01-17 Roger Sayle <roger@eyesopen.com>
14080 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14081 (size_cost): Encode costs in bytes so that a reg-reg addition is
14082 equivalent to COSTS_N_INSNS(1).
14083 (override_options): Use the size_cost.branch_cost as the default
14084 ix86_branch_cost when optimizing for size.
14086 2006-01-18 Ben Elliston <bje@au.ibm.com>
14088 * Makefile.in (D32PBIT_FUNCS): New.
14089 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14090 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14091 D64PBIT_FUNCS and D128PBIT_FUNCS.
14092 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14093 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14094 D128PBIT are set.
14095 (decnumber_dep): Define.
14096 * doc/libgcc.texi (Decimal float library routines): New node.
14097 * config/dfp-bit.h, config/dfp-bit.c: New files.
14099 2006-01-18 Ben Elliston <bje@au.ibm.com>
14101 * expr.c (emit_move_change_mode): Always adjust addresses, not
14102 just during reload. Copy replacements only during reload.
14103 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14104 emit_move_via_integer.
14106 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14108 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14109 instead of $(srcdir) and ${srcdir}.
14111 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14113 PR target/592
14114 PR middle-end/11135
14115 * arm.h (struct machine_function): Add pic_reg.
14116 * arm.c (arm_pic_register): Make unsigned.
14117 (arm_override_options): Only set arm_pic_register if
14118 TARGET_SINGLE_PIC_BASE.
14119 (use_return_insn): Only test for a pic register if it is fixed.
14120 (arm_compute_save_reg0_reg12_mask): Likewise.
14121 (thumb_compute_save_reg_mask): Likewise.
14122 (legitimate_pic_operand): Factor out some known invariants.
14123 (legitimize_pic_address): If we don't have a fixed pic register,
14124 then set up a pseudo in the function entry sequence. Handle the
14125 pic base being in a pseudo.
14126 (arm_load_pic_register): Handle the pic register being in a pseudo.
14127 (arm_expand_prologue): Only set up the pic register if it is fixed.
14128 (thumb_expand_prologue): Likewise.
14129 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14130 (pic_load_addr_based_insn): Likewise.
14131 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14132 fixed.
14134 2006-01-18 Ben Elliston <bje@au.ibm.com>
14136 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14137 decimal float modes for all floating point registers.
14139 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14140 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14142 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14144 PR c/25682
14145 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14146 even when the pointer is not NULL.
14148 2006-01-16 Ian Lance Taylor <ian@airs.com>
14150 * common.opt (ftoplevel-reorder): New option.
14151 * cgraph.c (cgraph_asm_nodes): New global variable.
14152 (cgraph_asm_last_node): New static variable.
14153 (cgraph_order): New global variable.
14154 (cgraph_create_node): Set new order field.
14155 (cgraph_varpool_node): Likewise.
14156 (decide_is_variable_needed): Return true if not
14157 flag_toplevel_reorder.
14158 (cgraph_add_asm_node): New function.
14159 * cgraph.h (struct cgraph_node): Add order field.
14160 (struct cgraph_varpool_node): Add order field.
14161 (struct cgraph_asm_node): Define.
14162 (cgraph_asm_nodes, cgraph_order): Declare.
14163 (cgraph_add_asm_node): Declare.
14164 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14165 function.
14166 (cgraph_varpool_assemble_pending_decls): Call it.
14167 (cgraph_output_pending_asms): New static function.
14168 (cgraph_finalize_compilation_unit): Call it.
14169 (struct cgraph_order_sort): Define.
14170 (cgraph_output_in_order): New static function.
14171 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14172 !flag_toplevel_reorder case.
14173 * c-parser.c: Include "cgraph.h".
14174 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14175 assemble_asm.
14176 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14177 than -fno-unit-at-a-time.
14178 * doc/invoke.texi (Option Summary): Mention
14179 -fno-toplevel-reorder.
14180 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14181 -funit-at-a-time documentation.
14183 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14184 Kazu Hirata <kazu@codesourcery.com>
14186 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14188 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14190 * Makefile.in (FUNCTION_H): New. Use it instead of
14191 function.h throughout the file.
14192 * function.h: Include tree.h.
14194 2006-01-17 Ben Elliston <bje@au.ibm.com>
14196 * recog.c: Separate some functions with whitespace.
14198 2006-01-16 Richard Henderson <rth@redhat.com>
14200 Merge from gomp branch:
14201 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14202 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14203 and rename from struct inline_data. Rename callee* to dst*;
14204 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14205 transform_new_cfg, transform_return_to_modify, and
14206 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14207 update_clones_p.
14208 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14209 (copy_decl_for_dup): Remove.
14210 * tree-inline.c (struct inline_data): Move to header.
14211 (insert_decl_map): Export.
14212 (remap_decl): Update for member name changes. Use copy_decl hook.
14213 Allow for replacement to be a non-decl. Remove dead code.
14214 (remap_type_1): Check for existing mapping.
14215 (remap_type): Export.
14216 (remap_decls): Update for member name changes.
14217 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14218 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14219 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14220 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14221 (tree_function_versioning, build_duplicate_type): Likewise.
14222 (copy_body_r): Likewise. Export.
14223 (copy_decl_for_dup): Split into ...
14224 (copy_decl_for_dup_finish, copy_decl_to_var,
14225 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14226 (replace_ref_tree, inlining_p): Remove.
14228 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14230 * ifcvt.c (if_convert): Make it static.
14231 * rtl.h: Remove the prototype for if_convert.
14233 * local-alloc.c (local_alloc): Make it static.
14234 * rtl.h: Remove the prototype for local_alloc.
14236 * loop.c (loop_optimize): Make it static.
14237 * cfgloop.h: Remove the prototype for loop_optimize.
14238 * rtl.h: Likewise.
14240 2006-01-16 DJ Delorie <dj@redhat.com>
14242 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14243 mems.
14245 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14247 * pa.md: Disparage copies between general and floating-point registers
14248 in 32-bit move patterns.
14250 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14252 PR testsuite/25741
14253 * Makefile.in (check-%): Depend on site.exp instead of
14254 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14255 directories.
14257 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14259 * global.c (global_alloc): Make it static.
14260 * rtl.h: Remove the prototype for global_alloc.
14262 2006-01-16 Richard Guenther <rguenther@suse.de>
14264 * tree-ssa-alias.c (struct used_part): Add write_only field.
14265 (get_or_create_used_part_for): Initialize it to true.
14266 (create_overlap_variables_for): Don't create structure variables
14267 for structures that only are written to.
14268 (find_used_portions): Handle MODIFY_EXPR to track whether a
14269 structure is only written to.
14271 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14273 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14274 static.
14275 * basic-block.h: Remove the prototype for
14276 partition_hot_cold_basic_blocks.
14278 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14280 * cppspec.c (lang_specific_spec_functions): Remove.
14281 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14282 * gcc.h (lang_specific_spec_functions): Remove.
14283 * gccspec.c (lang_specific_spec_functions): Remove.
14285 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14287 * combine.c (record_value_for_reg): Invalidate registers
14288 if INSN is null.
14289 (record_dead_and_set_regs_1): Likewise, by passing them to
14290 record_value_for_reg.
14291 (record_dead_and_set_regs): Invalidate stores made by a
14292 call. We do not combine across a call, but we still
14293 relied on equivalences.
14295 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14297 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14298 vrp_int_const_binop returning non-constant nodes.
14300 2006-01-16 Paul Brook <paul@codesourcery.com>
14302 * config/m68k/m68k.c (output_move_const_into_data_reg):
14303 Output correct mnemonic for mvz and mvs.
14305 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14307 * rtl-factoring.c: Add sequence abstraction algorithm.
14308 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14309 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14310 ABNORMAL edges.
14311 (block_has_preserve_label): New function.
14312 * common.opt: Register new pass.
14313 * Makefile.in: Ditto.
14314 * passes.c: Ditto.
14315 * timevar.def: Ditto.
14316 * tree-pass.h: Ditto.
14317 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14318 * rtl.h (make_jump_insn_raw): Add forward decl.
14319 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14321 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14322 Roger Sayle <roger@eyesopen.com>
14324 * fold-const.c (fold_minmax): New static function.
14325 (fold_binary) <MIN_EXPR>: Call it.
14326 <MAX_EXPR>: Likewise.
14327 * stor-layout.c (place_field): Use DECL_SIZE consistently
14328 in the computation of the new record size.
14330 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14332 * cse.c (cse_condition_code_reg): Make it static.
14333 * rtl.h: Remove the prototype for cse_condition_code_reg.
14335 * combine.c (combine_instructions): Make it static.
14336 * rtl.h: Remove the prototype for combine_instructions.
14338 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14340 PR target/25168
14341 * tree.c (get_file_function_name_long): Concatenate the first global
14342 object name with a string derived from the input filename of the object
14343 for type "F".
14345 2006-01-16 Ben Elliston <bje@au.ibm.com>
14347 * config/i386/winnt-stubs.c: Update FSF address.
14348 * config/xtensa/ieee754-df.S: Ditto.
14349 * config/xtensa/ieee754-sf.S: Ditto.
14351 2006-01-14 Ian Lance Taylor <ian@airs.com>
14353 * ifcvt.c (noce_init_if_info): New static function, broken out of
14354 noce_process_if_block.
14355 (noce_process_if_block): Call noce_init_if_info.
14356 (check_cond_move_block): New static function.
14357 (cond_move_process_if_block): New static function.
14358 (process_if_block): Call cond_move_process_if_block.
14360 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14362 * cselib.c (hash_table): Rename to cselib_hash_table.
14363 (cselib_clear_table, discard_useless_values,
14364 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14365 cselib_init, cselib_finish): Adjust uses of hash_table.
14367 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14369 PR tree-optimization/25485
14370 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14371 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14372 is known to be false and true, respectively.
14374 2006-01-14 Richard Guenther <rguenther@suse.de>
14376 PR tree-optimization/22548
14377 PR tree-optimization/22555
14378 PR tree-optimization/22501
14379 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14380 * params.def (salias-max-array-elements): New parameter.
14381 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14382 * doc/invoke.texi (salias-max-array-elements): Document.
14383 * tree-flow-inline.h (var_can_have_subvars): We also handle
14384 arrays now.
14385 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14386 COMPONENT_REF.
14387 * tree-ssa-structalias.c (params.h): Include.
14388 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14389 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14390 (get_constraint_for): For ADDR_EXPR operating on something
14391 containing an ARRAY_REF, add all subvars to the solution.
14392 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14393 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14394 for creating MUST_DEFs.
14395 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14397 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14399 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14400 functions.
14401 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14402 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14403 number_of_iterations_le): New functions.
14404 (number_of_iterations_special): Removed.
14405 (number_of_iterations_exit): Do not use number_of_iterations_special.
14406 * tree.c (unsigned_type_for): Always return integer type.
14408 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14409 Richard Guenther <rguenther@suse.de>
14411 PR rtl-optimization/24257
14412 * gcse.c (find_moveable_store): Only consider a store movable
14413 when the SET_SRC of the insn can be assigned to a register.
14415 2006-01-14 Ian Lance Taylor <ian@airs.com>
14417 * tree.c (tree_not_class_check_failed): New function.
14418 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14419 (tree_not_class_check_failed): Declare.
14421 2006-01-13 Ian Lance Taylor <ian@airs.com>
14423 * reload1.c (do_output_reload): Add assertion rejecting a
14424 CALL_INSN.
14426 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14428 * combine.c (struct reg_stat): Add new fields truncation_label and
14429 truncated_to_mode.
14430 (record_value_for_reg): Reset truncated_to_mode.
14431 (record_truncated_value): New function.
14432 (check_promoted_subreg): Call it. Rename to check_conversions.
14433 (combine_instructions): Rename check_promoted_subreg to
14434 check_conversions.
14435 (reg_truncated_to_mode): New function.
14436 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14437 (gen_lowpart_or_truncate): New function.
14438 (force_to_mode): Use it instead of gen_lowpart.
14440 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14442 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14443 VAR is a tag, not its type tag.
14445 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14447 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14448 alternatives to match style of other entries.
14449 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14451 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14453 PR tree-optimization/25771
14454 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14455 SSA_NAMES.
14457 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14459 PR tree-opt/24365
14460 * tree-inline.c (declare_return_variable): If the return variable
14461 was marked as a non gimple complex, set the return slot variable
14462 to be a non gimple comple variable.
14464 2006-01-13 Richard Guenther <rguenther@suse.de>
14466 * builtins.c (expand_builtin_sincos): New function.
14467 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14468 do not set errno.
14469 (expand_builtin): Expand sincos using expand_builtin_sincos.
14471 2006-01-12 DJ Delorie <dj@redhat.com>
14473 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14474 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14475 so that constant shifts can be split.
14476 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14477 (m32c_valid_pointer_mode): Make static.
14478 (shift_gen_func_for): New.
14479 (m32c_prepare_shift): Use it. Split large const shifts into
14480 multiple shifts.
14481 * config/m32c/predicates.md (shiftcount_operand): Allow more
14482 general operands.
14483 (longshiftcount_operand): New.
14484 * doc/md.texi (Machine Constraints): Document In6.
14486 2006-01-13 Ben Elliston <bje@au.ibm.com>
14488 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14489 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14490 documentation.
14492 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14494 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14495 to try to avoid clobbering pieces of structures when we know
14496 something about the whole structure.
14497 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14499 2006-01-13 Ben Elliston <bje@au.ibm.com>
14501 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14502 return in memory, as this is no limitation is no longer present.
14504 2006-01-12 DJ Delorie <dj@redhat.com>
14506 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14507 mova with fb, and for fb+0 -> An.
14509 * config/m32c/mov.md (peephole2): Fix enabling logic.
14511 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14512 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14513 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14514 FINI_ARRAY_SECTION_ASM_OP): Define.
14516 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14517 variable.
14518 (m32c_legitimize_reload_address): New logic to reload FB to An.
14519 (m32c_output_reg_push): Add newline.
14520 (m32c_output_reg_pop): Likewise.
14522 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14524 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14526 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14528 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14530 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14532 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14533 match_code.
14535 2006-01-11 Ben Elliston <bje@au.ibm.com>
14537 * rtlanal.c (find_reg_note): Assert insn is not null.
14539 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14541 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14542 ifdef.
14544 2006-01-11 Jeff Law <law@redhat.com>
14546 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14547 hold edge pairs.
14548 (mark_threaded_blocks, register_jump_thread): New functions.
14549 (thread_through_all_blocks): Remove unwanted argument. No
14550 longer rely on e->aux to communicate thread target info.
14551 Call mark_threaded_blocks. Release the threaded_blocks
14552 bitmap and threaded_edges vector when complete.
14553 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14554 (threaded_blocks): Remove.
14555 (tree_ssa_dominator_optimize): Remove initialization and
14556 finalization of threaded_blocks. Simplify call to
14557 thread_through_all_blocks.
14558 (thread_across_edge): Call register_jump_thread rather than
14559 storing thread information into e->aux.
14560 (free_all_edge_infos): Simplify now that e->aux is no longer
14561 used to communicate with thread_through_all_blocks.
14562 * tree-flow.h (thread_through_all_blocks): Update prototype.
14563 (register_jump_thread): Prototype.
14565 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14567 * df-core.c (df_compact_blocks, df_bb_replace): Use
14568 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14570 2006-01-11 Richard Guenther <rguenther@suse.de>
14572 PR tree-optimization/25734
14573 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14574 stop propagation after successful propagation to the LHS.
14576 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14578 * basic-block.h (control_flow_graph): Change the type of
14579 x_basic_block_info to VEC(basic_block,gc) *.
14580 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14581 basic_block_info.
14582 (SET_BASIC_BLOCK): New.
14583 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14584 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14585 * cfgbuild.c (find_basic_blocks): Likewise.
14586 * cfglayout.c (fixup_reorder_chain): Likewise.
14587 * cfgrtl.c (create_basic_block_structure,
14588 rtl_create_basic_block): Likewise.
14589 * ifcvt.c (find_if_case_1): Likewise.
14590 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14591 Likewise.
14593 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14595 * Makefile.in: Removed rotted odf.c entry.
14597 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14599 PR target/25706
14600 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14601 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14602 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14603 output pattern modifier, not %e.
14604 * config/cris/cris.c (cris_op_str): Update comment about pattern
14605 modifier.
14606 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14607 before falling through into...
14608 <case 'E'>: Redefined from old 'e' case.
14610 2006-01-11 Jan Hubicka <jh@suse.cz>
14612 PR target/25042
14613 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14615 2006-01-11 Jan Hubicka <jh@suse.cz>
14617 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14618 * i386.c (x86_decompose_lea): Kill.
14619 (ix86_rtx_costs): Kill.
14621 2006-01-11 Jan Hubicka <jh@suse.cz>
14623 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14624 * cgraph.h (cgraph_node): Add inline_decl.
14625 (cgraph_insert_node_to_hashtable): Declare.
14626 (save_inline_function_body): Declare.
14627 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14628 clones.
14629 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14630 (cgraph_function_versioning): Update call of tree_function_versioning.
14631 (save_inline_function_body): New function.
14632 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14633 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14634 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14635 (cgraph_default_inline_p): Likewise.
14636 (cgraph_decide_inlining_incrementally): Likewise.
14637 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14638 (copy_bb): Kill saving; do updating of clones.
14639 (copy_cfg_body): Kill saving.
14640 (initialize_inlined-parameters): Likewise.
14641 (expand_call_inline): Likewise.
14642 (save_body): Kill.
14643 (tree_function_versioning): New parameter "update_clones".
14644 (inlining_p): Kill saving.
14645 * tree-inline.h (tree_function_versioning): Update prototype.
14646 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14647 saving.
14649 2006-01-11 Ian Lance Taylor <ian@airs.com>
14651 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14652 Allow undoing set of machine mode.
14653 (do_SUBST): Use enums instead of is_int.
14654 (do_SUBST_MODE): New function.
14655 (SUBST_MODE): New macro.
14656 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14657 reg and trying to replace reg_regno_rtx with a new register.
14658 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14659 (simplify_set): Use SUBST_MODE.
14660 (distribute_notes): Remove code that tried to update reg notes
14661 for regno_reg_rtx changes.
14663 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14665 PR tree-optimization/23109
14666 PR tree-optimization/23948
14667 PR tree-optimization/24123
14669 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14670 * tree-cfg.c (single_noncomplex_succ): New.
14671 * tree-flow.h (single_noncomplex_succ): Declare it.
14672 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14673 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14674 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14675 insert_bb, register_division_in, insert_reciprocals,
14676 replace_reciprocal, free_bb): New.
14677 (execute_cse_reciprocals_1): Rewritten.
14678 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14679 Do not commit any edge insertion. Always compute dominators and
14680 create the allocation pool.
14681 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14682 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14683 * targhooks.c (default_min_divistions_for_recip_mul): New.
14684 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14685 * passes.c (init_optimization_passes): Run recip after tree loop
14686 optimizations.
14687 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14689 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14690 Kenneth Zadeck <zadeck@naturalbridge.com>
14692 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14693 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14694 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14695 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14696 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14697 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14698 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14699 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14700 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14701 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14702 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14703 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14704 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14705 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14706 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14707 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14708 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14709 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14710 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14711 DF_SCAN_POST_ALLOC): New macros.
14712 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14713 df_free_bb_function, df_local_compute_function, df_init_function,
14714 df_dataflow_function, df_confluence_function_0,
14715 df_confluence_function_n, df_transfer_function,
14716 df_finalizer_function, df_free_function, df_dump_problem_function,
14717 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14718 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14719 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14720 df_urec_bb_info, ) New types.
14721 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14722 variables.
14723 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14724 df_analyze_simple_change_some_blocks,
14725 df_analyze_simple_change_one_block, df_compact_blocks,
14726 df_bb_replace, df_bb_regno_last_use_find,
14727 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14728 df_insn_regno_def_p, df_find_def, df_find_use,
14729 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14730 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14731 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14732 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14733 debug_df_chain, df_get_dependent_problem, df_chain_create,
14734 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14735 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14736 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14737 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14738 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14739 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14740 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14741 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14742 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14743 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14744 df_reorganize_refs, df_set_state, df_hard_reg_init,
14745 df_read_modify_subreg_p) New public functions.
14746 * df-core.c: The core dataflow solver and glue routines for rtl
14747 dataflow.
14748 (df_init, df_add_problem, df_set_blocks, df_finish,
14749 df_hybrid_search_forward, df_hybrid_search_backward,
14750 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14751 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14752 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14753 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14754 df_reg_defined, df_find_use, df_reg_used, df_dump,
14755 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14756 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14757 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14758 debug_df_useno, reset_df_after_reload): New functions.
14759 * df-scan.c: The scanning fuctions, once in df.c, completely
14760 rewritten so that they now fully model the functionality of
14761 register usage at the backend.
14762 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14763 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14764 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14765 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14766 df_get_artificial_defs, df_get_artificial_uses,
14767 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14768 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14769 df_refs_delete, df_reorganize_refs, df_set_state,
14770 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14771 df_def_record_1, df_defs_record, df_uses_record,
14772 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14773 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14774 df_record_exit_block_uses, df_hard_reg_init): New functions.
14776 * df-problems.c: Seven concrete dataflow problems that use the
14777 scanning in df-scan.c and are solved by the engine in df-core.c.
14778 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14779 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14780 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14781 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14782 df_ru_free_bb_info, df_ru_alloc,
14783 df_ru_bb_local_compute_process_def,
14784 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14785 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14786 df_ru_transfer_function, df_ru_free, df_ru_dump,
14787 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14788 df_rd_free_bb_info, df_rd_alloc,
14789 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14790 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14791 df_rd_transfer_function, df_rd_free, df_rd_dump,
14792 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14793 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14794 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14795 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14796 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14797 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14798 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14799 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14800 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14801 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14802 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14803 df_urec_mark_reg_use_for_earlyclobber,
14804 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14805 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14806 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14807 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14808 df_chain_create_bb_process_use, df_chain_create_bb,
14809 df_chain_finalize, df_chain_free, df_chains_dump,
14810 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14811 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14812 df_reg_lifetime): New functions.
14813 * df.c: Deleted file.
14814 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14815 consistent with new df api.
14816 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14817 rest_of_handle_sms): Ditto.
14818 * web.c (unionfind_union, union_defs, entry_register, web_main):
14819 Ditto.
14820 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14821 invariant_expr_equal_p, find_defs, check_dependencies,
14822 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14823 free_inv_motion_data, move_loop_invariants): Ditto.
14824 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14825 Update dependencies.
14826 (odf.c): Added defective entry that was deleted later in day.
14827 * sched-deps.c (sched_analyze_1): Ditto.
14829 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14831 * tree-ssa-operands.c (get_expr_operands): Record addressable
14832 variables directly. Do not call add_stmt_operands for CONST_DECLs
14833 and ARRAY_DECLs.
14834 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14835 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14837 2006-01-11 Ben Elliston <bje@au.ibm.com>
14839 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14840 function returns true in the positive case.
14842 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14844 PR target/20754
14845 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14846 for SI, DI, SF and DF modes. Add alternatives to copy between
14847 general and floating point registers to the 32-bit patterns.
14848 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14849 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14850 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14851 generating 64-bit code.
14852 * config/pa/pa.c (output_move_double): Handle copies between general
14853 and floating registers.
14855 2006-01-10 Stuart Hastings <stuart@apple.com>
14857 * config/i386/i386.md (set_got): Update.
14858 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14859 (builtin_setjmp_receiver): Mach-O support.
14860 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14861 (GOT_SYMBOL_NAME): Define.
14862 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14863 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14864 * config/i386/i386.c (override_options): Revise for Darwin.
14865 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14866 support. (darwin_x86_file_end): New. (output_set_got): Add label
14867 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14868 * config/i386/i386-protos.h (output_set_got): Likewise.
14869 * config/darwin.c (machopic_legitimize_pic_address): Update
14870 regs_ever_live[].
14872 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14874 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14875 when MODE isn't BLKmode.
14877 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14879 PR rtl-optimization/25367
14880 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14882 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14884 PR target/25718
14885 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14886 for a negative bound.
14888 2006-01-10 Richard Guenther <rguenther@suse.de>
14890 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14891 Never override with anything constraint.
14893 2006-01-10 Jan Beulich <jbeulich@novell.com>
14895 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14896 256 bits when optimize_size.
14898 2006-01-10 Jan Beulich <jbeulich@novell.com>
14900 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14901 MASK_ALIGN_DOUBLE.
14902 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14903 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14904 arguments.
14906 2006-01-10 Ben Elliston <bje@au.ibm.com>
14908 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14909 float modes.
14910 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14911 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14912 (USE_FP_FOR_ARG): Reject decimal float modes.
14913 (function_arg_advance): Likewise.
14914 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14915 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14916 point types in AltiVec vectors.
14917 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14918 (rs6000_libcall_value): Likewise.
14920 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14922 * config/xtensa/ieee754-df.S: New file.
14923 * config/xtensa/ieee754-sf.S: New file.
14924 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14925 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14926 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14928 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14930 * config/sh/predicates.md (binary_float_operator,
14931 binary_logical_operator, commutative_float_operator,
14932 equality_comparison_operator, greater_comparison_operator,
14933 less_comparison_operator, logical_operator,
14934 noncommutative_float_operator, shift_operator,
14935 symbol_ref_operand, unary_float_operator): Remove redundant
14936 conditionals.
14938 2006-01-09 Jeff Law <law@redhat.com>
14940 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14941 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14942 now unused arguments. Callers updated.
14943 (eliminate_redundant_computations): Remove now unused arguments,
14944 callers updated.
14945 (local_fold): Remove, no longer used.
14946 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14947 and moved to...
14948 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14949 (simplify_cond): New function.
14950 (forward_propagate_into_cond): Call simplify_cond.
14952 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14954 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14955 (*vec_extractv2di_1_sse): New.
14957 2006-01-09 Ben Elliston <bje@au.ibm.com>
14959 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14961 2006-01-08 Richard Guenther <rguenther@suse.de>
14963 * tree-ssa-structalias.c (get_constraint_for): Remove
14964 anyoffset argument.
14965 (get_constraint_for_component_ref): Likewise.
14966 (do_deref): Likewise.
14967 (get_constraint_for): Likewise.
14968 (do_structure_copy): Likewise.
14969 (handle_ptr_arith): Likewise.
14970 (find_func_aliases): Likewise. Remove unused need_anyoffset
14971 variable.
14973 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14974 Kaz Kojima <kkojima@gcc.gnu.org>
14976 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14977 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14978 (EXTRA_CONSTRAINT_C16): Remove.
14979 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14980 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14981 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14982 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14983 constants of SHmedia. Handle nested constant expressions of
14984 SHmedia correctly.
14985 (andcosts): Fix the costs for SHmedia constants.
14986 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14987 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14988 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14989 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14990 (movv4hi_i, movv2si_i): Likewise.
14991 (movsi_const): Adjust the second operand of ior so to match with
14992 the Csu constraint.
14993 (movdi_const, movdi_const_32bit): Likewise.
14994 (movdi_const_16bit+1): Don't sign-extend LOW.
14995 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14996 step.
14997 (*double_shori): Fix the split condition. Use GEN_INT instead
14998 of get_int_mode calls. Mask lower 16-bit of the argument of
14999 the last GEN_INT.
15000 (sym2GOTPLT): Remove.
15001 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15002 gen_rtx_UNSPEC.
15003 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15004 instead of EXTRA_CONSTRAINT_C16.
15006 2006-01-07 Ian Lance Taylor <ian@airs.com>
15007 David Edelsohn <edelsohn@gnu.org>
15009 PR rtl-optimization/25662
15010 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15011 for constant operands instead of simplify_gen_binary.
15012 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15013 after trying simplify_binary_operation
15015 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15017 * tree.c (iterative_hash_expr): Hash decls based on UID.
15019 2006-01-06 Eric Christopher <echristo@apple.com>
15021 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15022 (TARGET_UNWIND_EMIT): Fix spelling.
15023 * target.h (gcc_target): Add except_table_label.
15024 * except.c (output_function_exception_table): Use.
15025 * varasm.c (default_emit_except_table_label): New.
15026 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15027 define.
15028 (asm_out): Add here.
15029 * output.h (default_emit_except_table_label): Prototype.
15030 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15031 * config/darwin.c (darwin_emit_except_table_label): Define.
15032 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15034 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15036 PR tree-optimization/18527
15037 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15038 number_of_iterations_special, number_of_iterations_exit):
15039 Move base and step of an iv to a single structure. Add
15040 no_overflow flag, and use it in # of iterations analysis.
15041 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15042 folded_casts argument.
15043 (simple_iv): Pass base and step in a structure. Set no_overflow
15044 flag.
15045 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15046 Evaluate expensiveness of computing # of iterations instead of
15047 the final expression.
15048 * tree-scalar-evolution.h (affine_iv): New structure.
15049 (simple_iv): Declaration changed.
15050 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15051 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15052 find_givs_in_stmt): Changed due to simple_iv change.
15054 2006-01-06 Jeff Law <law@redhat.com>
15056 PR ada/24994
15057 * tree-cfg.c (bsi_replace): Rename final argument from
15058 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15059 change (stmt -> orig_stmt).
15060 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15061 (bsi_remove): Add new argument. Remove EH information
15062 if requested.
15063 (verify_eh_throw_table_statements): New function.
15064 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15065 updated.
15066 * tree-optimize.c (execute_free_cfg_annotations): Verify
15067 the EH throw statement table after removing annotations.
15068 * except.h (verify_eh_throw_table_statements): Prototype.
15069 * tree-flow.h (bsi_remove): Update prototype.
15070 * tree-vrp.c (remove_range_assertions): Add new argument to
15071 bsi_remove call.
15072 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15073 * tree-complex.c (expand_complex_div_wide): Likewise.
15074 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15075 * tree-tailcall.c (eliminate_tailcall): Likewise.
15076 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15077 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15078 * tree-nrv.c (tree_nrv): Likewise.
15079 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15080 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15081 (combine_blocks): Likewise.
15082 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15083 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15084 (cleanup_control_flow): Likewise.
15085 (remove_forwarder_block): Likewise.
15086 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15087 * tree-sra.c (sra_replace): Likewise.
15088 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15089 (forward_propagate_single_use_vars): Likewise.
15090 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15091 * tree-inline.c (expand_call_inline): Likewise.
15092 * tree-vect-transform.c (vect_transform_loop): Likewise.
15093 * tree-outof-ssa.c (rewrite_trees): Likewise.
15094 * tree-cfg.c (make_goto_expr_edges): Likewise.
15095 (cleanup_dead_labels): Likewise.
15096 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15097 (bsi_move_before, bsi_move_after): Likewise.
15098 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15099 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15101 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15103 PR tree-opt/25528
15104 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15105 and IMAGPART_EXPR.
15106 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15107 on non gimple variables. Also add checks at the top for decls and
15108 mtags.
15109 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15110 complex types.
15111 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15112 and IMAGPART_EXPR for creating MUST_DEFs.
15113 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15114 and NAME_MEMORY_TAG separately from the DECLs.
15116 2006-01-06 Richard Guenther <rguenther@suse.de>
15118 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15119 annotation, if necessary.
15120 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15121 redundant calls to update_stmt.
15122 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15123 Likewise.
15125 2006-01-05 Richard Henderson <rth@redhat.com>
15127 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15129 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15131 * c-typeck.c: Update copyright date.
15133 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15135 * c-typeck.c (build_c_cast): Always warn when casting
15136 from a pointer to an integer of different size, even if
15137 the node was constant.
15139 2006-01-05 Richard Guenther <rguenther@suse.de>
15141 PR tree-optimization/22555
15142 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15143 if one structure field is an array.
15144 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15145 operands even if we found a subvar, but ignore VOPs in this
15146 case.
15147 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15148 for renaming.
15149 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15151 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15153 PR middle-end/24998
15154 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15156 2006-01-05 Richard Guenther <rguenther@suse.de>
15157 Diego Novillo <dnovillo@redhat.com>
15159 * tree-pass.h (TODO_remove_unused_locals): Define.
15160 * gimple-low.c (expand_var_p, remove_useless_vars,
15161 pass_remove_useless_vars): Remove. Update all users.
15162 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15163 (remove_unused_locals): New function.
15164 * tree-flow.h (remove_unused_locals): Declare.
15165 * passes.c (execute_todo): Call remove_unused_locals if
15166 TODO_remove_unused_locals is set.
15167 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15168 * tree-ssa-dce.c (pass_dce): Likewise.
15169 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15171 2006-01-05 Richard Guenther <rguenther@suse.de>
15173 * tree-flow.h (struct fieldoff): Decompose field to
15174 type, size and decl.
15175 * tree-ssa-alias.c (create_sft): Take type as parameter.
15176 (create_overlap_variables_for): Store type, size and decl
15177 in the fieldoff structure.
15178 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15179 of struct fieldoff.
15180 (push_fields_onto_fieldstack): Likewise.
15181 (create_variable_info_for): Likewise. Use offset for the
15182 SFT name if the decl is not available.
15184 2006-01-04 Paul Brook <paul@codesourcery.com>
15186 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15188 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15190 * lambda-code.c (can_put_in_inner_loop): Relax
15191 restrictions.
15192 (can_put_after_inner_loop): New function.
15193 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15194 (perfect_nestify): Change to make copies and modify uses.
15196 2006-01-04 Richard Henderson <rth@redhat.com>
15198 Merge from gomp branch:
15199 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15200 via integer constant.
15201 (pragma_lex): Remove.
15202 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15203 rather than parsing it.
15204 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15205 handle_pragma_extern_prefix): Add %< %> quotes.
15206 (registered_pragmas): New.
15207 (c_register_pragma_1): New.
15208 (c_register_pragma): Use it.
15209 (c_register_pragma_with_expansion): Likewise.
15210 (c_invoke_pragma_handler): New.
15211 (init_pragma): Use cpp_register_deferred_pragma directly for
15212 pch_preprocess.
15213 * c-pragma.h (enum pragma_kind): New.
15214 (pragma_handler): New.
15215 (c_invoke_pragma_handler): Declare.
15216 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15217 CPP_PRAGMA_EOL.
15218 * c-common.h (c_common_pch_pragma): Update decl.
15219 * Makefile.in (c-parser.o): Update dependencies.
15220 (GTFILES): Add c-pragma.h.
15221 * c-parser.c (struct c_token): Add pragma_kind.
15222 (struct c_parser): Add in_pragma.
15223 (c_lex_one_token): Always initialize keyword and pragma_kind.
15224 Extract data for CPP_PRAGMA.
15225 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15226 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15227 Don't allow CPP_PRAGMA_EOL if in_pragma.
15228 (c_parser_consume_pragma): New.
15229 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15230 (c_parser_skip_to_end_of_parameter): Likewise.
15231 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15232 (c_parser_skip_to_pragma_eol): New.
15233 (c_parser_external_declaration): Handle CPP_PRAGMA.
15234 (c_parser_compound_statement_nostart): Likewise.
15235 (c_parser_statement_after_labels): Likewise.
15236 (c_parser_pragma): New.
15237 (pragma_lex): Likewise.
15238 (c_parser_pragma_pch_preprocess): New.
15239 (c_parser_new): Merge into ...
15240 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15242 2006-01-04 Jeff Law <law@redhat.com>
15244 PR ada/24994
15245 * tree-cfg.c (bsi_replace): Remove the original statement
15246 from the EH throw statement table.
15248 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15250 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15251 make the prototype extern "C" and add throw ().
15253 PR target/25554
15254 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15255 and pos non-negative and pos + len <= 32.
15256 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15257 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15258 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15260 PR c/25559
15261 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15262 as well as sizes not multiple of component size.
15264 PR debug/25562
15265 * function.c (instantiate_expr): New function.
15266 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15267 walk its DECL_VALUE_EXPR with instantiate_expr.
15269 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15270 DW_OP_deref{,_size} if address isn't going to be added.
15272 2006-01-04 Ben Elliston <bje@au.ibm.com>
15274 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15275 * config/fp-bit.c: Likewise.
15277 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15279 * dominance.c: Add comment about why we use DFS numbering
15280 of dominance tree.
15282 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15283 Richard Henderson <rth@redhat.com>
15285 Merge from gomp-branch:
15286 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15287 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15289 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15291 PR rtl-optimization/25578
15292 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15293 pass a parameter to simplify_shift_const if changing ASHIFTRT
15294 to LSHIFTRT.
15296 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15298 * builtins.c (get_builtin_sync_mem): New function.
15299 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15300 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15301 Call get_builtin_sync_mem to generate mem rtx.
15303 2006-01-03 Richard Guenther <rguenther@suse.de>
15305 PR c/25183
15306 * stmt.c (add_case_node): Make sure to clear overflow flags
15307 from ranges.
15309 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15311 Merge from gomp-branch.
15312 * config/sparc/sync.md: New file.
15313 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15314 UNSPECV_LDSTUB): New constants.
15315 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15316 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15317 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15318 prototype.
15320 2006-01-03 Roger Sayle <roger@eyesopen.com>
15322 * combine.c (reg_subword_p): New predicate to test whether the
15323 destination of a set refers to a subword/piece of a register.
15324 (try_combine): Generalize the code to merge the setting of a
15325 pseudo to a constant followed by a set of a subword of that
15326 register to a constant.
15328 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15330 * basic-block.h (control_flow_graph): Change the type of
15331 x_label_to_block_map to VEC(basic_block,gc) *.
15332 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15333 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15335 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15336 VEC(basic_block,heap) *.
15337 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15338 ssa_prop_fini): Adjust the uses of cfg_blocks.
15340 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15342 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15343 COMPONENT_REFs.
15344 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15345 hashing trees instead of a pointer hash.
15346 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15347 compare for MEM_EXPR.
15349 PR rtl-optimization/25130
15350 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15351 when comparing MEMs for GCSE
15353 2006-01-03 Ben Elliston <bje@au.ibm.com>
15355 * targhooks.h (default_decimal_float_supported_p): Declare.
15356 * targhooks.c (default_decimal_float_supported_p): Define.
15357 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15358 `default_decimal_float_supported_p'.
15359 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15361 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15363 * combine.c (apply_distributive_law <SUBREG>): Check
15364 TRULY_NOOP_TRUNCATION.
15366 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15368 * dwarf2out.c (have_switched_text_section): Delete.
15369 (have_multiple_function_sections): New.
15370 (have_location_lists): Make 'bool'.
15371 (add_AT_loc_list): Use 'true' not '1'.
15372 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15373 (output_loc_list): Use have_multiple_function_sections.
15374 (output_ranges): Likewise.
15375 (dwarf2out_begin_function): Set have_multiple_function_sections if
15376 necessary.
15377 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15378 Check function_section rather than DECL_SECTION_NAME.
15379 (dwarf2out_finish): Use have_multiple_function_sections.
15380 Don't clear have_location_lists.
15382 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15383 Jan Hubicka <jh@suse.cz>
15385 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15386 case of conditional jump jumping to the next instruction.
15387 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15388 cases of conditional jump jumping to the next instruction.
15390 2006-01-02 Jan Hubicka <jh@suse.cz>
15392 * i386.c (*_cost): Add COSTS_N_INSNS.
15393 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15395 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15397 PR target/25259
15398 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15400 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15402 * config/arm/arm.c (all_fpus): Fix comment typo.
15403 * config/darwin.c: Likewise.
15404 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15405 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15406 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15408 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15410 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15411 (rs6000_split_compare_and_swapqhi): New.
15412 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15413 (sync_compare_and_swapqhi_internal): New.
15414 * config/rs6000/rs6000-protos.h: Declare.