1 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4 arg to be struct mach_header_64* instead.
6 2006-10-02 Jakub Jelinek <jakub@redhat.com>
9 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
10 side effects after the outer expression's post side effects.
12 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
14 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
15 comments to reflect actual behavior and relationship between
16 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
18 * doc/c-tree.texi (Working with declarations): Fix documentation
19 of FIELD_DECL likewise.
21 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
24 * doc/extend.texi: Add used variable attribute description.
26 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
29 * c.opt (Woverride-init): New.
30 * c-opts.c (c_common_post_options): Default warn_override_init to
32 * c-typeck.c (add_pending_init, output_init_element): Warn for
33 overriding initializers without side effects.
34 * doc/invoke.texi (-Woverride-init): Document.
37 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
39 PR rtl-optimization/28096
40 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
41 assignment has already been used as a destination earlier in the block.
43 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
45 * builtins.c (expand_builtin_setjmp): Delete.
46 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
47 <BUILT_IN_SETJMP_SETUP>: New case.
48 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
49 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
50 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
51 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
52 (BUILT_IN_SETJMP_RECEIVER): Likewise.
53 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
54 (lower_function_body): Initialize it to false. If it is set to true
55 at the end of the processing, emit the setjmp dispatcher.
56 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
57 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
58 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
59 on the rhs of the assignment.
60 (lower_builtin_setjmp): New function.
61 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
62 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
63 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
64 to detect calls that can go to non-local labels. Use specific
65 helper to create the abnormal edges associated with them.
66 <MODIFY_EXPR>: Likewise.
67 (make_abnormal_goto_edges): New function extracted from...
68 (make_goto_expr_edges): ...here. Call it for computed gotos.
69 (simple_goto_p): Minor tweak.
70 (tree_can_make_abnormal_goto): New predicate.
71 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
72 (tree_purge_dead_abnormal_call_edges): New function.
73 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
74 (tree_purge_dead_abnormal_call_edges): Likewise.
75 (make_abnormal_goto_edges): Likewise.
76 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
77 Purge all dead abnormal edges if the call was in the last statement.
78 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
79 (execute_fixup_cfg): If there are non-local labels in the function,
80 scan the basic blocks and split them at calls that can go to non-local
81 labels or add missing abnormal call edges. Write down the CFG in the
83 (pass_fixup_cfg): Remove TODO_dump_func flag.
84 * unwind-sjlj.c: Poison setjmp.
85 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
86 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
87 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
88 (DONT_USE_BUILTIN_SETJMP): Document it.
90 2006-09-28 Geoffrey Keating <geoffk@apple.com>
93 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
94 to 1 when __ppc64__ is defined.
95 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
97 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
99 2006-09-28 Steve Ellcey <sje@cup.hp.com>
101 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
102 * config/ia64/unwind-hpux.c: Delete.
104 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
106 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
107 on the element before gimplifying it, instead of punting if it is of
110 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
112 * doc/loop.texi: New file.
113 * doc/gccint.texi: Reference loop.texi.
114 * Makefile.in (loop.texi): Add.
116 2006-09-27 Geoffrey Keating <geoffk@apple.com>
118 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
120 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
121 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
123 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
125 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
127 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
129 * doc/install.texi: Document required versions of GMP and MPFR.
131 2006-09-27 Paul Brook <paul@codesourcery.com>
134 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
136 2006-09-27 Richard Sandiford <richard@codesourcery.com>
138 * reload1.c (alter_reg): Require the alignment of the stack slot to
139 be at least reg_max_ref_width bytes.
140 (scan_paradoxical_subregs): Record the largest width in
143 2006-09-26 Jakub Jelinek <jakub@redhat.com>
147 * tree-nested.c (struct nesting_info): Added static_chain_added.
148 (convert_call_expr): Set static_chain_added when adding static
149 chain. Handle OMP_PARALLEL and OMP_SECTION.
151 2006-09-25 Matthias Klose <doko@debian.org>
153 * doc/invoke.texi: Add missing full stop.
155 2006-09-25 Richard Henderson <rth@redhat.com>
157 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
158 before cgraph_function_flags_ready.
160 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
161 Adam Nemet <anemet@caviumnetworks.com>
163 * tree-ssa-loop-ivopts.c (aff_combination_convert,
164 determine_common_wider_type): New functions.
165 (get_computation_aff): Use them to simplify arithmetic between
166 UBASE and CBASE if they are shortened from the same type.
168 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
171 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
172 -2147483647 - 1 instead of 0x80000000.
174 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
176 * flags.h (HONOR_NANS): Fix typo in comment.
178 2006-09-23 Uros Bizjak <uros@kss-loka.si>
180 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
182 2006-09-23 Jakub Jelinek <jakub@redhat.com>
186 * tree.c (merge_attributes, attribute_list_contained): If both
187 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
189 * c-typeck.c (comptypes_internal): Don't consider aggregates
190 in different TUs as compatible if there one set of attributes is
191 not a subset of the other type's attributes.
192 (composite_type): Try harder not to create a new aggregate type.
194 2006-09-22 Geoffrey Keating <geoffk@apple.com>
196 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
197 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
198 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
199 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
200 than replicating condition above.
201 * config.host (i[34567]86-*-*): Always use driver-i386.o.
203 * config/darwin.h (LINK_SYSROOT_SPEC): New.
204 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
205 the linker by default.
207 2006-09-22 Mike Stump <mrs@apple.com>
209 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
212 2006-09-22 Richard Guenther <rguenther@suse.de>
215 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
216 sort of stack variables stable.
218 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
221 * explow.c (force_reg): Set REG_POINTER flag according to
224 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
226 PR tree-optimization/28888
227 * tree-if-conv.c (combine_blocks): Rewritten.
228 * tree-cfg.c (tree_verify_flow_info): Check that edges with
229 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
231 2006-09-22 Jakub Jelinek <jakub@redhat.com>
233 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
236 2006-09-21 Richard Sandiford <richard@codesourcery.com>
238 * varasm.c (copy_constant): Fix reversed gcc_assert check.
240 2006-09-21 Janis Johnson <janis187@us.ibm.com>
242 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
244 2006-09-21 Roger Sayle <roger@eyesopen.com>
247 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
248 dw_fde_current_label, to be the start of the function, i.e. the same
249 value as dw_fde_begin.
251 2006-09-20 Richard Sandiford <richard@codesourcery.com>
253 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
254 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
255 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
256 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
257 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
258 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
259 (abs<mode>2, neg<mode>2): Likewise.
260 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
261 (*mips_abs_ps): New define_insn.
263 2006-09-20 Josh Conner <jconner@apple.com>
266 * calls.c (expand_call): Allow reuse of structure return stack
269 2006-09-20 Paul Brook <paul@codesourcery.com>
271 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
274 2006-09-20 Janis Johnson <janis187@us.ibm.com>
276 * doc/extend.texi (Decimal Float): Update for latest draft TR,
277 clean up terminology.
279 2006-09-20 Steve Ellcey <sje@cup.hp.com>
282 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
283 with tablejumps in them.
285 2006-09-20 Jakub Jelinek <jakub@redhat.com>
288 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
289 wrap it into TARGET_EXPR.
291 2006-09-20 Eric Christopher <echristo@apple.com>
293 * config/i386/i386.c (x86_fisttp): Remove.
294 * config/i386/i386.h (x86_fisttp): Ditto.
295 (TARGET_FISTTP): Ditto.
297 2006-09-19 Eric Christopher <echristo@apple.com>
299 * doc/tm.texi (OBJC_JBLEN): Describe.
300 * config/i386/darwin.h (OBJC_JBLEN): Define.
301 * config/rs6000/darwin.h: Ditto.
303 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
305 PR rtl-optimization/21299
306 * reload1.c (reload): Purge invalid ASMs in the final pass.
308 2006-09-19 Steve Ellcey <sje@cup.hp.com>
311 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
312 pointers as legitimate constants.
314 2006-09-19 Paul Brook <paul@codesourcery.com>
317 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
319 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
321 PR tree-optimization/28887
322 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
323 component parts from the reference.
324 (gather_memory_references_ref): Record the reference without the
325 nonaddressable component parts.
327 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
330 * c-opts.c (c_common_handle_option): Ignore the -std options
331 if the input language is assembly.
333 2006-09-17 Ira Rosen <irar@il.ibm.com>
336 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
338 (ptr_ptr_may_alias_p): Likewise.
339 (record_record_differ_p): New function.
340 (base_object_differ_p): Call record_record_differ_p.
342 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
345 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
346 away for the expr argument.
348 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
351 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
352 before using it for dumping after vectorizing loops.
354 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
355 Jack Howarth <howarth@bromo.med.uc.edu>
358 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
359 skip on error_mark_node.
360 (rs6000_darwin64_record_arg_recurse): Likewise.
362 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
364 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
365 * doc/rtl.texi: Remove related documentation.
367 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
369 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
372 2006-09-15 Jim Wilson <wilson@specifix.com>
374 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
375 Handle symbol offsets same as they are handled in ia64_expand_move
378 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
380 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
381 Add forgotten parameter to the fprintf call.
383 2006-09-15 Steve Ellcey <sje@cup.hp.com>
385 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
387 2006-09-15 Uros Bizjak <uros@kss-loka.si>
389 * doc/contrib.texi: Add my entry.
391 2006-09-15 Nick Clifton <nickc@redhat.com>
393 * doc/md.texi (Processor pipeline description): Fix typo in
394 example of how to use the absence_set directive and reword the
395 description to make it slightly easier to read.
397 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
399 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
400 * loop-doloop.c (doloop_optimize): Use it to limit costs of
401 expanding the number of iterations.
402 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
404 * cfgrtl.c (emit_insn_at_entry): New function.
405 * rtl.h (emit_insn_at_entry): Declare it.
406 * integrate.c (emit_initial_value_sets): Use it.
408 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
410 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
412 (struct loop_work and related VEC declarations): Delete.
413 (bfin_dump_loops): Print out new member bad.
414 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
415 (bfin_scan_loop): Don't recurse.
416 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
417 loops. No longer need to update outer loops if the current one is
418 found bad. Move some validitiy checks to bfin_discover_loop.
419 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
420 but changed not to check for nesting. Also changed to use the new bad
422 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
423 time. Use bitmap based test to discover loop nesting.
425 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
427 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
430 2006-09-14 Richard Guenther <rguenther@suse.de>
431 Kazu Hirata <kazu@codesourcery.com>
434 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
435 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
436 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
437 with TARGET_FUNCTION_VALUE.
439 2006-09-14 Anatoly Sokolov <aesok@post.ru>
442 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
444 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
446 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
449 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
452 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
455 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
457 * basic_block.h (bb_has_eh_pred): Fix comment.
459 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
461 * flow.c (calculate_global_regs_live): Invalidate eh registers
462 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
463 (propagate_block): Handle eh registers as if they were set at basic
465 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
467 * global.c (global_conflicts): Make eh registers to conflict with
468 pseudos live at basic block begin.
469 * basic_block.h (bb_has_eh_pred): New function.
471 2006-09-13 Richard Sandiford <richard@codesourcery.com>
473 PR rtl-optimization/28982
474 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
475 index of a PRE_MODIFY or POST_MODIFY address.
476 * reload1.c (inc_for_reload): Use find_replacement on the original
477 base and index registers.
479 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
481 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
482 for -Os. Update __m128 alignment requirement.
484 2006-09-13 Jan Hubicka <jh@suse.cz>
486 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
488 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
490 PR rtl-optimization/28243
491 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
492 the insn to which the note was originally attached.
494 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
495 Roger Sayle <roger@eyesopen.com>
497 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
498 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
499 on platforms that don't use dwarf for debug info.
501 2006-09-12 Jason Merrill <jason@redhat.com>
504 * builtins.c (expand_builtin_setjmp_receiver): Clobber
505 hard_frame_pointer_rtx after using it to update the frame pointer.
507 2006-09-12 Roger Sayle <roger@eyesopen.com>
509 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
510 (TARGET_ASM_CLOSE_PAREN): Likewise.
511 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
512 (TARGET_ASM_CLOSE_PAREN): Likewise.
514 2006-09-12 Roger Sayle <roger@eyesopen.com>
517 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
518 frame information for frames larger than 512 Kbytes on Tru64 when
519 using the native assembler.
521 2006-09-12 Roger Sayle <roger@eyesopen.com>
525 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
526 and symbols. Instead use the implementation from cse.c's hash_rtx.
528 2006-09-12 Jan Hubicka <jh@suse.cz>
530 PR rtl-optimization/28071
531 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
532 (vect_transform_loop): Likewise.
533 * tree-vectorizer.c (new_loop_vec_info): Likewise.
534 (new_loop_vec_info): Likewise.
535 (destroy_loop_vec_info): Likewise.
536 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
537 (create_stmt_ann): Likewise.
538 (create_tree_ann): Rename to ...
539 (create_tree_common_ann): ... this one; allocate only the common part
541 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
542 (get_value_handle): Likewise.
543 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
545 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
546 (vinfo_for_stmt): Use stmt annotations.
547 * tree-flow.h (tree_ann_common_t): New type.
548 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
549 (tree_ann, get_tree_ann, create_tree_ann): New.
550 * tree-flow-inline.h (get_function_ann): Do more type checking.
551 (stmt_ann): Likewise.
552 (tree_ann): Rename to ...
553 (tree_common_ann): ... this one; return ony common_ann
554 (get_tree_ann): Rename to ...
555 (tree_common_ann): This one; return only common_ann.
556 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
559 2006-09-11 Geoffrey Keating <geoffk@apple.com>
561 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
564 * dwarf2out.c (dwarf_file_data): New.
565 (enum dw_val_class): Add dw_val_class_file.
566 (struct dw_val_struct): Add val_file.
567 (file_table): Change to a hash table.
568 (file_table_emitted): Delete.
569 (file_table_last_lookup_index): Delete.
571 (last_emitted_file): New.
572 (lookup_filename): Change prototype to return a struct dwarf_file_data.
573 (init_file_table): Delete.
574 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
575 (AT_addr): Add comment.
579 (print_die): Handle dw_val_class_file.
580 (print_dwarf_line_table): Update for new file table structure.
581 (attr_checksum): Do checksum a filename.
582 (same_dw_val_p, same_attr_p): Do compare a filename.
583 (size_of_die): Handle dw_val_class_file.
584 (value_format): Likewise.
585 (output_die): Likewise. Also, call maybe_emit_file here.
586 (struct file_info): Constify filenames. Make file_idx a pointer
587 to a struct dwarf_file_data.
588 (struct dir_info): Constify directory names. Remove 'used' field.
589 (struct file_name_acquire_data): New.
590 (file_name_acquire): New.
591 (output_file_names): Modify to handle new file data structures.
592 (add_src_coords_attributes): Use add_AT_file.
593 (add_call_src_coords_attributes): Likewise.
594 (dwarf2out_imported_module_or_decl): Likewise.
595 (gen_subprogram_die): Modify for new file data structures.
596 (gen_variable_die): Likewise.
597 (file_table_eq): New.
598 (file_table_hash): New.
599 (file_table_last_lookup): New.
600 (lookup_filename): Rewrite to handle new file data structures.
601 (maybe_emit_file): Rewrite to handle new file data structures.
602 (dwarf2out_source_line): Always call lookup_filename and
604 (dwarf2out_init): Create file_table here.
605 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
606 (file_table_relative_p): New.
607 (dwarf2out_finish): Change detection of relative filenames
608 to work with new file data structures. Move output_line_info call
609 after debug_info output.
611 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
616 * config/i386/i386.c (override_options): Always default to 16
619 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
622 * var-tracking.c (dump_dataflow_set): Start dumping at
624 (clobber_variable_part): Kill only the variable part in
625 registers holding it, leaving other variables alone.
627 2006-09-11 Josh Triplett <josh@freedesktop.org>
629 * doc/extend.texi (Other Builtins): Actually use the macro
630 argument in the documentation example for
631 __builtin_types_compatible_p.
633 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
635 PR rtl-optimization/28726
636 * sched-deps.c (sched_analyze_reg): New function extracted from...
637 (sched_analyze_1): ...here. Call it to analyze references to
638 registers. Treat again writes to a stack register as writing to the
640 (sched_analyze_2): ...and here. Call it to analyze references to
641 registers. Treat again reads of a stack register as reading the
644 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
645 David Edelsohn <edelsohn@gnu.org>
648 * config/rs6000/spe.md (frob_df_di): Remove %H.
649 (frob_di_df): Remove %H. Change evmergelo to mr.
650 (frob_di_df_2): Remove %H. Change evldd to two loads.
652 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
654 * doc/cpp.texi: Fix names of charset options.
656 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
659 * config/i386/i386.c (override_options): Use 128-bit
660 stack boundary always for 64bits.
662 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
664 PR rtl-optimization/28636
665 * combine.c (force_to_mode): Test for side-effects before
666 substituting by zero.
667 (simplify_shift_const): Likewise for zero or other constants.
669 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
672 * builtins.c (expand_builtin_setjmp): Force next_lab to be
675 2006-09-10 Richard Sandiford <richard@codesourcery.com>
678 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
679 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
680 returned by mode_for_size, rather than the mode of src itself,
681 to choose between 32-bit and 64-bit patterns.
682 (mips_mem_fits_mode_p): New function.
683 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
684 that the size of the source matches the size of the destination.
685 (mov_<store>l, mov_<store>r): Likewise.
687 2006-09-10 Eric Christopher <echristo@apple.com>
689 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
692 2006-09-09 Eric Christopher <echristo@apple.com>
695 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
698 2006-09-09 Roger Sayle <roger@eyesopen.com>
699 Nicolas Setton <setton@adacore.com>
701 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
703 2006-09-10 Andreas Schwab <schwab@suse.de>
705 * config/m68k/m68k.md (bungt_rev): New pattern.
707 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
708 Dale Johannesen <dalej@apple.com>
711 * regclass.c (struct reg_pref): Update documentation.
712 (regclass): Set prefclass to NO_REGS if memory is the best option.
713 (record_reg_classes): Cope with a prefclass set to NO_REGS.
715 2006-09-08 Eric Christopher <echristo@apple.com>
717 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
718 * config/t-slibgcc-darwin: Support x86_64 multilib.
719 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
720 Return 1 for x86_64-darwin.
721 * config/i386/t-darwin: Add m64 multilib.
722 (LIB2_SIDITI_CONV_FUNCS): Use.
723 (LIB2FUNCS_EXTRA): Ditto.
724 * config/i386/darwin.h: Support x86_64.
725 * config/i386/i386.c (override_options): Turn on flag_pic
726 for x86_64-darwin. Disable flag_omit_pointer.
727 (get_pc_thunk_name): Assert !TARGET_64BIT.
728 (legitimate_address_p): Disable machopic addressing for
730 (legitimize_pic_address): Ditto.
731 (ix86_expand_move): Ditto.
732 (ix86_expand_call): Ditto.
733 (machopic_output_stub): Ditto.
734 * config/darwin.c (machopic_select_section): Support literal16.
735 (machopic_select_rtx_section): Ditto.
736 * config/darwin-sections.def: Ditto.
737 * config/darwin-64.c: New.
739 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
742 * c-tree.h (struct c_arg_info): Add pending_sizes.
743 * c-parser.c (c_parser_parms_declarator,
744 c_parser_parms_list_declarator): Initialize pending_sizes.
745 * c-decl.c (get_parm_info): Initialize pending_sizes.
746 (get_parm_info): Set pending_sizes.
747 (grokdeclarator): Call put_pending_sizes for parameters for
748 function definition only.
750 2006-09-07 Jason Merrill <jason@redhat.com>
753 * varasm.c (output_constant): Only strip actual no-op conversions.
756 * config/i386/i386.c (override_options): Use 128-bit
757 stack boundary if -msse.
759 2006-09-07 Eric Christopher <echristo@apple.com>
761 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
763 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
766 2006-09-07 Geoffrey Keating <geoffk@apple.com>
768 * dwarf2out.c: Remove strange characters from comment above
769 dwarf2out_frame_debug_expr.
771 2006-09-07 Eric Christopher <echristo@apple.com>
773 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
774 * config/darwin.h: ... to here.
776 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
778 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
780 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
781 (TARGET_PARTIAL_FLAG_REG_STALL): New.
783 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
784 TARGET_PARTIAL_FLAG_REG_STALL.
785 (*ashldi3_cconly_rex64): Likewise.
786 (*ashlsi3_cmp): Likewise.
787 (*ashlsi3_cconly): Likewise.
788 (*ashlsi3_cmp_zext): Likewise.
789 (*ashlhi3_cmp): Likewise.
790 (*ashlhi3_cconly): Likewise.
791 (*ashlqi3_cmp): Likewise.
792 (*ashlqi3_cconly): Likewise.
793 (*ashrdi3_cmp_rex64): Likewise.
794 (*ashrdi3_cconly_rex64): Likewise.
795 (*ashrsi3_cmp): Likewise.
796 (*ashrsi3_cconly): Likewise.
797 (*ashrsi3_cmp_zext): Likewise.
798 (*ashrhi3_cmp): Likewise.
799 (*ashrhi3_cconly): Likewise.
800 (*ashrqi3_cmp): Likewise.
801 (*ashrqi3_cconly): Likewise.
802 (*lshrdi3_cmp_rex64): Likewise.
803 (*lshrdi3_cconly_rex64): Likewise.
804 (*lshrsi3_cmp): Likewise.
805 (*lshrsi3_cconly): Likewise.
806 (*lshrsi3_cmp_zext): Likewise.
807 (*lshrhi3_cmp): Likewise.
808 (*lshrhi3_cconly): Likewise.
809 (*lshrqi2_cmp): Likewise.
810 (*lshrqi2_cconly): Likewise.
812 2006-09-07 Uros Bizjak <uros@kss-loka.si>
815 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
816 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
817 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
818 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
819 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
820 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
821 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
822 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
823 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
824 implement only CC setting effects of shift instructions.
826 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
828 * doc/contrib.texi: Add myself.
830 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
833 * stor-layout.c (relayout_decl): Don't zero the alignment if it
836 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
839 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
840 (divsi_inv_m1): Use them.
841 (UNSPEC_DIV_INV_TABLE): New constant.
843 2006-09-06 James E Wilson <wilson@specifix.com>
846 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
847 then call count_or_remove_death_notes.
849 2006-09-06 Jason Merrill <jason@redhat.com>
852 * tree-inline.c (copy_result_decl_to_var): New fn.
853 (declare_return_variable): Use it. Call declare_inline_vars here.
854 (expand_call_inline): Not here.
856 2006-09-06 Diego Novillo <dnovillo@redhat.com>
858 * doc/contrib.texi: Update my entry.
860 2006-09-06 Nick Clifton <nickc@redhat.com>
862 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
864 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
867 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
868 (canonicalize_induction_variables): Likewise.
869 (tree_unroll_loops_completely): Likewise.
870 (tree_ssa_prefetch_arrays): Likewise.
871 (remove_empty_loops): Likewise.
872 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
873 TODO_cleanup_cfg instead of directly calling
874 cleanup_tree_cfg_loop.
875 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
877 (tree_unroll_loops_completely): Likewise.
878 (remove_empty_loops): Likewise.
879 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
880 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
881 of tree_ssa_unswitch_loops.
882 (tree_ssa_loop_ivcanon): Use the return value of
883 canonicalize_induction_variables.
884 (tree_ssa_empty_loop): Use the return value of
886 (tree_complete_unroll): Use the return value of
887 tree_unroll_loops_completely.
888 (tree_ssa_loop_prefetch): Use the return value of
889 tree_ssa_prefetch_arrays.
890 * passes.c (execute_todo): Before Cleanup CFG, set
891 updating_used_alone and after cleanup CFG, call
892 recalculate_used_alone.
894 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
897 * tree-vect-transform.c (vectorizable_condition): Move the check
898 for the type after the check for simple condition.
900 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
901 Kaz Kojima <kkojima@gcc.gnu.org>
904 * mode-switching.c (optimize_mode_switching): Make the destination
905 block of an abnormal edge have no anticipatable mode. Don't
906 insert mode switching code at the end of the source block of
909 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
911 PR rtl-optimization/26847
912 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
913 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
914 (simplify_plus_minus): Count n_constants while filling ops. Replace
915 qsort with insertion sort. Before going through the array to simplify
916 pairs, sort it. Delay early exit until after the first sort, exiting
917 only if no swaps occurred. Simplify pairs in reversed order, without
918 special-casing the first iteration. Pack ops after simplifying pairs.
920 2006-09-05 Anatoly Sokolov <aesok@post.ru>
922 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
923 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
924 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
925 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
927 2006-09-05 Richard Guenther <rguenther@suse.de>
929 PR tree-optimization/28900
930 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
931 compound conditional before creating COND_EXPR condition.
933 2006-09-05 Richard Guenther <rguenther@suse.de>
935 PR tree-optimization/28905
936 * tree-vrp.c (fix_equivalence_set): Manually implement
937 !value_ranges_intersect_p to also handle symbolic ranges.
939 2006-09-05 Richard Guenther <rguenther@suse.de>
942 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
945 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
947 PR rtl-optimization/27616
948 * cse.c (table_size): New static variable.
949 (new_basic_block): Initialize it to 0.
950 (remove_from_table): Decrement it.
951 (insert): Increment it.
952 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
953 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
954 fold_rtx_mem_1 if under the cap.
955 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
956 the lookup of the equivalent expression and test for equality of the
957 first operand of the equivalent expression before in turn looking up
958 an equivalent constant for the second operand.
960 2006-09-02 Geoffrey Keating <geoffk@apple.com>
963 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
964 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
965 pointer, instead of assuming it is possible to derive the
966 correct args size from a call insn.
968 2006-09-02 Jakub Jelinek <jakub@redhat.com>
971 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
972 (fold_builtin_mempcpy): Rename to...
973 (fold_builtin_memory_op): ... this. Optimize one element copy
975 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
977 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
978 (expand_builtin_memcpy, expand_builtin_mempcpy,
979 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
980 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
981 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
982 BUILT_IN_MEM{CPY,PCPY,MOVE}.
984 2006-09-01 DJ Delorie <dj@redhat.com>
986 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
988 ("stzx_24_<mode>"): Likewise.
989 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
990 ("cmp<mode>_op"): New.
991 (cmp<mode>): Change to expander; just save operands.
993 (b<code>): Change to expander, emit compare here.
994 (s<code>_op): Change to use split and expander.
995 (s<code>_24_op): Likewise.
996 (s<code>_<mode>): New.
997 (s<code>_<mode>_24): New.
998 (movqicc_<code>_<mode): New.
999 (movhicc_<code>_<mode>): New.
1002 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1003 (m32c_pend_compare): New.
1004 (m32c_unpend_compare): New.
1005 (m32c_expand_scc): New.
1006 (m32c_expand_movcc): Emit the compare also.
1007 * config/m32c/predicates.md (mra_nopp_operand): New.
1009 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1010 Richard Guenther <rguenther@suse.de>
1011 Adam Nemet <anemet@caviumnetworks.com>
1014 * builtins.c (get_pointer_alignment): Handle more forms
1015 of base addresses that can be used to derive more precise
1016 information about alignment.
1018 2006-09-01 Jason Merrill <jason@redhat.com>
1021 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1024 * gimplify.c (voidify_wrapper_expr): Handle null type.
1026 2006-09-01 Josh Conner <jconner@apple.com>
1029 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1030 (execute_return_slot_opt): Use it.
1032 2006-08-31 Josh Conner <jconner@apple.com>
1035 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1036 returning aggregates.
1038 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1040 PR tree-optimization/28839
1041 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1042 blocks in that phi arguments appear.
1044 2006-08-31 Roger Sayle <roger@eyesopen.com>
1047 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1048 NULL, otherwise use an advance_loc4 to adjust relative to the
1050 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1051 (dwarf2out_switch_text_section): Reset the current label to avoid
1052 using advance_loc4 over section boundaries.
1054 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1057 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1058 r12 + SYMBOLIC_CONST.
1060 2006-08-30 Richard Guenther <rguenther@suse.de>
1062 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1064 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1066 PR rtl-optimization/27735
1067 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1068 Add new argument to keep track of whether an irreducible region
1069 was affected. All callers changed.
1070 (fix_irreducible_loops): Removed.
1071 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1072 flags were invalidated.
1074 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1076 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1077 instead of SF operands.
1078 (*fop_df_comm_sse): Likewise.
1079 (*fop_df_comm_i387): Likewise.
1080 (*fop_df_1_mixed): Likewise.
1081 (*fop_df_1_sse): Likewise.
1083 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1084 J"orn Rennecke <joern.rennecke@st.com>
1086 PR tree-optimization/17506
1087 * tree-ssa.c (warn_uninit): If warning about a location outside of
1088 the current function, note where the variable was declared.
1090 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1092 PR tree-optimization/28411
1093 * double-int.c (double_int_div): Use double_int_divmod.
1094 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1095 double_int_mod, double_int_smod, double_int_umod): New functions.
1096 * double-int.h (double_int_divmod, double_int_sdivmod,
1097 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1099 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1101 (get_computation_aff, get_computation_cost_at): Handle double_int
1102 return type of constant_multiple_of.
1104 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1107 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1108 an implicit conversion.
1110 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1112 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1114 2006-08-27 Roger Sayle <roger@eyesopen.com>
1116 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1119 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1121 * config/i386/crtfastmath.c: Fix a comment typo.
1123 2006-08-26 Roger Sayle <roger@eyesopen.com>
1125 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1126 temporary visit flags on CASE_LABEL_EXPRs.
1127 * c-common.c (match_case_to_enum): Add function comment. Avoid
1128 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1129 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1130 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1131 a constant, only warn if that constant value isn't handled.
1133 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1136 * input.h (restore_input_file_stack): Declare.
1137 (INPUT_FILE_STACK_BITS): Define.
1138 * toplev.c (fs_p, input_file_stack_history,
1139 input_file_stack_restored, restore_input_file_stack): New.
1140 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1141 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1142 (pop_srcloc): Don't free old state of stack.
1144 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1147 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1148 (PowerPC Type Attributes): New.
1150 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1152 * config/xtensa/xtensa.c (function_arg_boundary): New.
1153 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1155 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1156 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1158 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1161 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1164 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1166 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1167 (verify_local_live_at_start): Likewise.
1169 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1172 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1173 omp_add_variable): Treat sizes as variable whenever not
1176 2006-08-26 Richard Guenther <rguenther@suse.de>
1179 * fold-const.c (fold_binary): Fold temporary to correct
1180 type before constructing new comparison.
1182 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1185 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1186 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1188 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1191 * c-decl.c (start_function): Don't try to process prototype
1192 information from old declaration that isn't a function.
1194 2006-08-25 Jan Hubicka <jh@suse.cz>
1197 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1199 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1202 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1205 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1207 PR tree-optimization/16876
1208 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1209 exit if PARM doesn't match VALUE.
1211 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1213 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1214 literal_prefix directive.
1215 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1216 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1217 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1219 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1222 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1223 predicate to general_operand. Add 0->y and I->r alternatives.
1225 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1227 * doc/tm.texi: Fix a typo.
1228 * predict.c: Fix comment typos.
1230 2006-08-25 Nick Clifton <nickc@redhat.com>
1232 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1233 assertions of "cpu" and "machine".
1235 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1238 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1239 the access through a base which has an alias set of 0 cannot
1242 2006-08-24 Bill Wendling <wendling@apple.com>
1244 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1246 2006-08-24 Jan Hubicka <jh@suse.cz>
1248 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1250 2006-08-24 Jan Hubicka <jh@suse.cz>
1253 * cgraph.c: Fix comments.
1254 (cgraph_varpool_mark_needed_node): Mark only variables not already
1256 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1257 (cgraph_varpool_assembled_nodes_queue): New static variable.
1258 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1259 (cgraph_varpool_output_debug_info): New function.
1260 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1261 * Makefile.in: Add gt-cgraphunit.h
1263 2006-08-24 Jan Hubicka <jh@suse.cz>
1265 * predict.c (probability_reliable_p): New predicate.
1266 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1267 (predict_loops): Do not predict loop exit with less than 2%
1269 * basic-block.h (edge_probability_reliable_p,
1270 br_prob_note_reliable_p): Declare.
1271 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1272 prediction when static predictor is not reliable.
1273 * rs6000.c (output_cbranch): Likewise.
1275 2006-08-23 Stuart Hastings <stuart@apple.com>
1278 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1279 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1281 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1284 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1285 complex values, nor for generic vector values.
1287 2006-08-22 Richard Guenther <rguenther@suse.de>
1290 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1291 parameter. Convert arguments to arithmetic expression to the
1293 (analyze_scalar_evolution_1): Adjust caller.
1295 2006-08-22 Jan Hubicka <jh@suse.cz>
1297 Patch by Paolo Bonzini
1298 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1301 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1303 PR tree-optimization/28003
1304 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1305 before grouping aliases.
1307 2006-08-22 Roger Sayle <roger@eyesopen.com>
1309 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1310 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1312 2006-08-21 Jason Merrill <jason@redhat.com>
1315 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1316 wrapper. Loop to handle nested wrappers.
1317 (gimplify_bind_expr): Remove temp parameter.
1318 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1319 and STATEMENT_LIST on the rhs.
1320 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1321 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1322 (gimplify_target_expr): Remove special BIND_EXPR handling.
1324 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1326 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1329 2006-08-21 Olivier Hainque <hainque@adacore.com>
1331 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1332 Arrange for the temporary captures of components overlapping the lhs
1333 to happen before the lhs is possibly cleared.
1335 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1337 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1338 necessary places to pass the correct "number of registers" values
1341 2006-08-20 Jan Hubicka <jh@suse.cz>
1343 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1344 (create_name_tags): Instead of quadratic checking use hashtable.
1345 * bitmap.h: Include hashtab.h.
1346 (bitmap_hash): Declare.
1347 * bitmap.c (bitmap_hash): New function.
1349 2006-08-20 Jan Hubicka <jh@suse.cz>
1351 PR rtl-optimization/28071
1352 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1354 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1355 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1356 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1357 cgraph_decide_inlining_incrementally): Update use of
1358 cgraph_check_inline_limits.
1359 * cgraph.c (edge_hash, edge_eq): New function.
1360 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1361 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1362 cgraph_remove_node): Maintain call site hash.
1363 * cgraph.h (struct cgraph_node): Add call_site_hash.
1364 (cgraph_set_call_stmt): New function.
1366 2006-08-20 Jan Hubicka <jh@suse.cz>
1368 PR rtl-optimization/28071
1369 * reload1.c (reg_has_output_reload): Turn into regset.
1370 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1371 choose_reload_regs, emit_reload_insns): Update to new
1372 reg_has_output_reload.
1374 2006-08-20 Jan Hubicka <jh@suse.cz>
1377 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1378 function body sizes.
1379 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1381 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1384 * tree.c (handle_dll_attribute): Return early if not a
1385 var or function decl.
1387 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1390 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1391 alignment of SPE vector types.
1393 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1395 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1397 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1400 * cgraph.h (struct cgraph_node): Remove externally_visible
1402 * cgraphunit.c (process_function_and_variable_attributes): Set
1403 local.externally_visible rather than externally_visible.
1406 * c-common.c (handle_externally_visible_attribute): First look
1407 at TREE_CODE and only if it is function or var decl, check for
1408 non-public objects. Don't warn for DECL_EXTERNAL.
1409 * cgraphunit.c (process_function_and_variable_attributes): Warn
1410 if externally_visible attribute is used on non-public object.
1412 2006-08-17 Jan Hubicka <jh@suse.cz>
1414 PR tree-optimization/27865
1415 * reload1.c (forget_marked_reloads): New function.
1416 (forget_old_reloads_1): When data are passed, just mark the registers
1418 (reload_as_needed): Use the new mechanizm.
1420 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1423 * reload.h (reg_equiv_alt_mem_list): New declaration.
1424 * reload1.c (reg_equiv_alt_mem_list): New definition.
1425 (reload): Initialize it and release it.
1426 (delete_output_reload): Use it.
1427 * reload.c (push_reg_equiv_alt_mem): New function.
1428 (find_reloads_toplev): Call it.
1429 (find_reloads_address, find_reloads_address_1): Likewise.
1430 (find_reloads_subreg_address): Likewise.
1432 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1434 PR rtl-optimization/28489
1435 * sched-ebb.c (begin_schedule_ready): Create basic block
1437 (advance_target_bb): Skip empty blocks.
1438 * haifa-sched.c (bb_note): Make global.
1439 * sched-int.h (bb_note): Add prototype.
1441 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1443 PR tree-optimization/27865
1444 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1446 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1447 fold_used_pointer, pointer_used_p): New functions.
1448 (analyze_scalar_evolution_1): Use fold_used_pointer.
1449 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1450 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1453 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1456 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1457 or the INTEGER_CST. Fail on a CALL_EXPR.
1458 (fold_offsetof): Pass new argument to fold_offsetof_1.
1459 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1460 operand into an INDIRECT_REF.
1461 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1463 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1465 PR gcov/profile/26570
1466 * value-prof.c (static_values): Removed.
1467 (tree_find_values_to_profile): Do not set static_values.
1468 (find_values_to_profile): Do not free static_values.
1469 * profile.c (instrument_values): Do not free the values.
1470 (branch_prob): Free the values.
1472 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1474 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1476 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1479 * c-typeck.c (build_component_ref): Combine qualifiers of
1480 structure or union and field.
1482 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1484 PR rtl-optimization/28071
1485 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1486 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1487 * tree-into-ssa.c (struct dom_dfsnum): New.
1488 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1490 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1491 compute_global_livein.
1492 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1493 in phi nodes in the correct blocks.
1495 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1497 PR tree-optimization/28364
1498 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1500 (fold_affine_expr): New function.
1501 (may_eliminate_iv): Use fold_affine_expr.
1503 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1506 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1509 2006-08-16 Mike Stump <mrs@apple.com>
1511 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1512 * doc/cppopts.texi (-MD): Likewise.
1514 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1517 * c-common.c (handle_weak_attribute): Ignore and warn if
1518 not a FUNCTION_ or VAR_DECL.
1520 2006-07-15 Mike Stump <mrs@apple.com>
1523 * c-parser.c (c_parser_typeof_specifier): Don't use
1524 c_finish_expr_stmt, open code desired semantics instead.
1526 2006-08-15 Nick Clifton <nickc@redhat.com>
1528 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1529 fragment to tmake_file only if threads are enabled.
1530 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1531 * config/i386/t-gthr-win32: New file. ... here.
1533 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1536 * c-parser.c (c_parser_compound_statement_nostart): Reset
1537 parser->error after each statement.
1539 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1542 * omp-low.c (lower_omp_parallel): Convert t to
1543 receiver_decl's type.
1544 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1545 source before comparison.
1548 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1549 to itype in assignment to oldival2.
1551 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1555 * c-typeck.c (build_compound_expr): If the second expression
1556 is an error mark, then just return an error mark instead of
1557 creating a COMPOUND_EXPR.
1559 2006-07-14 Mike Stump <mrs@apple.com>
1561 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1563 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1565 * c-decl.c, var-tracking.c: Fix comment typos.
1567 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1569 PR rtl-optimization/28634
1570 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1571 for floating-point modes unless flag_unsafe_math_optimizations.
1573 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1574 Andrew Pinski <pinskia@physics.uc.edu>
1577 * tree.c (build_array_type): Unify array types with
1578 unspecified index_type.
1579 * c-decl.c (grokdeclarator): Make sure we do not modify a
1580 unified incomplete array type.
1581 * c-typeck.c (store_init_value): Create distinct type before
1582 filling in the index type in an initializer from a compound
1585 * c-decl.c (grokdeclarator): Remove code where we copy the
1588 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1590 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1591 into account for TODO_dump_cgraph.
1592 (TODO_update_ssa_no_phi): Likewise.
1593 (TODO_update_ssa_full_phi): Likewise.
1594 (TODO_update_ssa_only_virtuals): Likewise.
1595 (TODO_remove_unused_locals): Likewise.
1596 (TODO_set_props): Likewise.
1597 (TODO_update_stmt_usage): Likewise.
1599 2006-08-13 Dirk Mueller <dmueller@suse.de>
1601 * c-common.c (strict_aliasing_warning): Fix formatting.
1603 2006-08-13 Matthias Klose <doko@debian.org>
1605 * doc/invoke.texi: Fix spelling errors.
1607 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1609 PR rtl-optimization/23454
1610 * reorg.c (relax_delay_slots): Update comment.
1612 2006-08-11 Richard Guenther <rguenther@suse.de>
1615 * simplify-rtx.c (simplify_const_relational_operation):
1616 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1619 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1621 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1622 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1624 2006-08-10 Paul Brook <paul@codesourcery.com>
1626 * final.c (final_scan_insn): Clear current_insn_predicate before
1627 outputting inline asm.
1629 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1631 PR tree-optimization/26197
1632 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1633 get_ref_base_and_extent and overlap_subvar to add only relevant
1634 subvars as may-aliases.
1635 (add_may_alias_for_new_tag): New function, factored out of
1637 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1638 with additional argument.
1639 * tree-flow.h (new_type_alias): Takes additional argument.
1641 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1643 * gcov.c (no_data_file): New flag.
1644 (read_count_file): Set it if data file not present. Assume counts
1646 (output_lines): Don't name the data file, if there wasn't one.
1648 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1650 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1651 (rs6000_generate_compare): Tweak comments.
1652 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1654 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1656 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1657 (var_debug_decl): New function.
1658 (var_reg_set): Follow debug decl link. Add location even if
1659 reg is already known to hold some other variable.
1660 (var_mem_set): Follow debug decl link.
1661 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1662 decl link. Delete other known locations of the variable part
1664 (var_reg_delete, var_mem_delete): Delete other known locations
1665 of the variable part if requested.
1666 (same_variable_part_p): New function.
1667 (add_stores): Select MO_COPY when appropriate.
1668 (vt_initialize): Handle it.
1669 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1670 known locations for MO_SET and MO_CLOBBER.
1671 (find_variable_location_part): New function.
1672 (set_variable_part, delete_variable_part): Use it.
1673 (clobber_variable_part): New function.
1674 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1677 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1679 PR tree-optimization/26969
1680 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1681 with an empty list of PHIs.
1683 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1687 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1690 2006-08-06 Andreas Schwab <schwab@suse.de>
1692 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1693 string. Whitespace and comment fixup.
1695 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1698 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1702 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1705 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1707 2006-08-04 Jan Hubicka <jh@suse.cz>
1711 * reload.c (push_reload): Patch out the mismatching instruction;
1713 (find_reload): Bail out if the instruction was patched out.
1715 2006-08-04 Jan Hubicka <jh@suse.cz>
1717 PR tree-optimization/24888
1718 * tree-inline.c (expand_call_inline): Do not re-record variables.
1719 (declare_inline_vars): Add variable to unexpanded_var_list.
1721 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1722 Roger Sayle <roger@eyesopen.com>
1724 PR rtl-optimization/26244
1725 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1726 inner_const are negative or greater than or equal to the bitsize of
1727 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1728 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1729 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1730 CONST0_RTX (mode) when the new shift count is greater than or equal to
1731 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1734 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1736 * tree-cfg.c: Fix a comment typo.
1738 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1741 * varasm.c (output_constant): Give the front end another chance to
1742 expand constants, after stripping NOPs.
1744 2006-08-03 Jan Hubicka <jh@suse.cz>
1746 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1749 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1751 PR tree-optimization/27770
1752 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1753 declaration removed (moved to tree-flow.h).
1754 (vect_can_force_dr_alignment_p): Likewise.
1755 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1756 (moved from tree-vectorizer.h).
1757 (vect_can_force_dr_alignment_p): Likewise.
1758 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1759 from outside the vectorizer - in particular from cgraph stage.
1760 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1761 the alignment of global arrays when -fsection-anchors is enabled.
1762 * cgraphunit.c (cgraph_increase_alignment): New function.
1763 (cgraph_optimize): Call cgraph_increase_alignment.
1765 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1768 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1769 not reload a SPE symbol_ref into a lo_sum address.
1771 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1774 * dwarf2out.c (prune_unused_types_prune): Move call to
1775 prune_unused_types_update_strings to cover the parent DIE also.
1777 2006-08-02 Jan Hubicka <jh@suse.cz>
1779 PR gcov/profile/28480
1780 * tree-cfg.c (change_bb_for_stmt): New function.
1781 (tree_merge_blocks, tree_split_blocks): Use it.
1783 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1789 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1790 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1791 (cgraph_optimize): Likewise.
1793 2006-08-01 Stuart Hastings <stuart@apple.com>
1795 * rtl.h (UINTVAL) New.
1796 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1797 * testsuite/gcc.dg/20060801-1.c: New.
1799 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1802 * c-typeck.c (build_external_type): Mark used enum types.
1803 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1805 (gen_subprogram_die): Whitespace fix.
1807 2006-08-01 Jan Hubicka <jh@suse.cz>
1809 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1810 bitmap when not needed.
1811 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1814 2006-08-01 Dirk Mueller <dmueller@suse.de>
1816 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1818 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1820 * Makefile.in: Revert part of previous patch:
1821 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1824 2006-07-30 Eric Christopher <echristo@apple.com>
1827 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1828 (PowerPC Variable Attributes): New section.
1830 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1832 PR target/28126 (partial fix)
1833 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1835 2006-07-28 Jan Hubicka <jh@suse.cz>
1837 PR rtl-optimization/28071
1838 * cfgrtl.c (rtl_delete_block): Free regsets.
1839 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1841 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1843 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1844 and variables used in dependencies.
1846 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1848 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1849 %fs for -mcmodel=kernel.
1850 (stack_tls_protect_test_di): Likewise.
1852 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1854 * Makefile.in: Use mkinstalldirs.
1856 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1859 * opts-common.c (prune_options): Skip joined switches.
1861 2006-07-27 Jan Hubicka <jh@suse.cz>
1863 PR rtl-optimization/28071
1864 * cselib.c (cselib_process_insn): Don't remove useless values too
1865 often for very large hashtables.
1867 2006-07-27 Jan Hubicka <jh@suse.cz>
1869 PR rtl-optimization/28071
1870 * global.c (greg_obstack): New obstack.
1871 (allocate_bb_info): Use it.
1872 (free_bb_info): Likewise.
1873 (modify_reg_pav): Likewise.
1875 2006-07-27 Roger Sayle <roger@eyesopen.com>
1877 * builtins.c (fold_fixed_mathfn): When long and long long are the
1878 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1879 functions to their lceil*, lfloor*, lround* and lrint* forms.
1881 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1884 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1886 (rev_branch_insn): Likewise.
1888 2006-07-27 Jan Hubicka <jh@suse.cz>
1890 PR rtl-optimization/28071
1891 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1892 (reg_set_in_bb, max_reg_computed): New static variables.
1893 (regmove_optimize): Free the new array.
1894 (fixup_match_1): Update call of reg_is_remote_constant_p.
1896 2006-07-26 Jan Hubicka <jh@suse.cz>
1898 PR tree-optimization/27882
1899 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1901 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1903 (cgraph_analyze_compilation_unit): Likewise.
1904 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1905 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1906 (cgraph_early_inlinine): Make order garbage collected.
1907 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1909 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1911 * dbxout.c (output_types_sort): Add a comment.
1912 (output_used_types): Free the VEC.
1914 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1916 * function.c (reorder_fix_fragments): Delete.
1917 (reorder_blocks): Don't call it.
1918 (reorder_blocks_1): Put all subblocks under the origin block.
1920 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1922 PR rtl-optimization/27907
1923 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1926 2006-07-25 Roger Sayle <roger@eyesopen.com>
1929 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1930 bar(x) check that bar's result type can represent all the values of T.
1932 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1934 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1936 2006-07-25 Nick Clifton <nickc@redhat.com>
1938 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1939 size_lookup[] array.
1940 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1941 (ggc_pch_count_object): Likewise.
1942 (ggc_pch_alloc_object): Likewise.
1943 (ggc_pch_write_object): Likewise.
1944 (init_ggc): Do not attempt to initialize entries in the
1945 size_lookup[] array for objects whose size is greater than than
1946 the length of the array.
1948 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1950 * dbxout.c (output_used_types_helper): Push queued types
1952 (output_types_sort): New.
1953 (output_used_types): Collect used types on a VEC and sort them
1956 2006-07-24 Richard Guenther <rguenther@suse.de>
1959 * cgraph.c (cgraph_remove_node): Do not check if dumps
1961 * cgraphunit.c (cgraph_optimize): Likewise.
1963 2006-07-24 Jan Hubicka <jh@suse.cz>
1965 PR rtl-optimization/28071
1966 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1967 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1968 splitting before first stmt.
1970 2006-07-24 Jan Hubicka <jh@suse.cz>
1972 PR rtl-optimization/28071
1973 * ipa-inline.c (update_caller_keys): Remove edges that
1974 are no longer inline candidates.
1976 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1979 * dbxout.c (output_used_types_helper, output_used_types): New.
1980 (dbxout_symbol): Call output_used_types.
1982 2006-07-23 Jan Hubicka <jh@suse.cz>
1986 * cgraph.c (cgraph_varpool_nodes): Export.
1987 (decide_is_variable_needed): Ignored "used" attribute in
1988 unit-at-a-time mode.
1989 * cgraph.h (cgraph_varpool_nodes): Declare.
1990 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1991 unit-at-a-time mode.
1993 2006-07-23 Roger Sayle <roger@eyesopen.com>
1996 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1997 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1998 the __gthrw form of thr_keycreate.
1999 (__gthread_key_delete): Silence the unused argument warning.
2001 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2004 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2005 Cache the last found '\0' marker to avoid quadratic behavior.
2007 2006-07-23 Jan Hubicka <jh@suse.cz>
2009 * i386.md (subsi_3_zext): Fix output template.
2011 2006-07-21 Mike Stump <mrs@apple.com>
2013 * doc/invoke.texi (C++ Dialect Options): Note that
2014 -fvisibility-inlines-hidden doesn't affect explicitly
2015 instantiationed inline methods.
2017 2006-07-20 Roger Sayle <roger@eyesopen.com>
2019 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2020 if the target assembler is GNU binutils' gas.
2021 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2022 whether to pass GNU gas or native as command line options.
2024 2006-07-20 Jason Merrill <jason@redhat.com>
2026 * tree.c (remove_attribute): New fn.
2027 * tree.h: Declare it.
2029 2006-07-20 Paul Brook <paul@codesourcery.com>
2032 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2033 they are invalidated by this instruction.
2035 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2038 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2040 2006-07-20 Eric Christopher <echristo@apple.com>
2043 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2045 2006-07-19 Eric Christopher <echristo@apple.com>
2047 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2048 Rewrite dependencies for libgcc_s.1.dylib.
2050 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2052 * except.c (duplicate_eh_regions_1): Clear next_peer.
2054 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2056 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2057 -mlongcall does not guarantee all calls will be long.
2058 * doc/extend.texi (long_call/short_call): Document that longcall
2059 does not guarantee a long call will be used.
2060 (longcall/shortcall): Likewise.
2062 2006-07-18 Roger Sayle <roger@eyesopen.com>
2065 * expmed.c (expand_shift): Additionally check that the shift_cost
2066 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2067 before implementing a LSHIFT_EXPR as a sequence of additions.
2068 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2069 middle-end that DImode shifts need to be synthesized by expand.
2071 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2074 * tree-ssa-operands.c (access_can_touch_variable): Update
2076 Return true if ALIAS is .GLOBAL_VAR.
2078 2006-07-18 David Daney <ddaney@avtrex.com>
2080 * gcc.c (display_help): Fix typo in help text.
2082 2006-07-18 Olivier Hainque <hainque@adacore.com>
2084 * tree.h (categorize_ctor_elements): Adjust prototype and add
2085 descriptive comment, both in accordance with the interface change
2087 * varasm.c (constructor_static_from_elts_p): New function.
2088 Whether a constructor node is a valid static constant initializer
2089 if all its elements are.
2090 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2091 * output.h: Declare it.
2092 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2093 is a valid constant initializer instead of computing the number of
2094 non-constant elements. Use constructor_static_from_elts_p for this
2095 purpose. Replace the head comment with an indication that this is a
2096 helper for categorize_ctor_elements.
2097 (categorize_ctor_elements): Same interface change as for the _1
2098 helper. Former head comment from this helper moved here, adjusted to
2099 account for the interface changes.
2100 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2101 (all_zeros_p): Likewise.
2102 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2103 static versions of the constructor from the categorize_ctor_elements
2104 return value instead of the formerly computed number of non-constant
2107 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2109 * configure: Regenerate.
2110 * Makefile.in (build_libsubdir): New configure substitution
2111 (build_libobjdir): New variable.
2112 (BUILD_LIBIBERTY): Use it.
2114 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2117 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2119 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2122 * c-common.c (handle_weakref_attribute): Ignore attribute in
2123 the same conditions the alias attribute is ignored.
2125 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2127 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2128 (dbxout_begin_prologue): Increment scope_labelno.
2130 2006-07-17 Richard Henderson <rth@redhat.com>
2133 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2136 2006-07-17 Roger Sayle <roger@eyesopen.com>
2137 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2139 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2140 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2141 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2142 functions such as sbrk, write, etc.. Add function prototypes.
2143 Convert function declarations from K&R to ISO C. Cast pointers
2144 to "long" and "unsigned long" instead of "int" and "unsigned int".
2145 Convert tokens following #endif into comments.
2147 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2149 * invoke.texi: Remove mention of f77; Reformat table for
2150 inline parameter options correctly; mention that -malign-double
2151 is default on x86-64 targets.
2153 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2155 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2156 (convert_affine_scev, chrec_convert_aggressive): Use
2157 avoid_arithmetics_in_type_p. Do not check for the subtypes
2160 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2163 * optabs.c (expand_doubleword_shift): Wrap the call to
2164 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2166 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2169 * optabs.c (expand_binop): Pass next_methods rather than methods
2170 to expand_doubleword_shift.
2172 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2175 * tree.h (dump_addr): Declare.
2176 * print-tree.c (dump_addr): New function.
2177 (print_node_brief, print_node): Use it.
2178 * print-rtl.c (print_rtx): Likewise.
2179 * common.opt (-fdump-noaddr): New option.
2180 * doc/invoke.texi (-fdump-noaddr): Document.
2181 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2182 (ve_info_hash): Likewise.
2184 2006-07-13 Andrew Haley <aph@redhat.com>
2186 PR tree-optimization/19505
2187 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2188 edge leaving this block, make sure that the destination of this
2189 block has only one predecessor.
2191 2006-07-17 Richard Guenther <rguenther@suse.de>
2193 PR tree-optimization/28238
2194 * tree-inline.c (copy_bb): Check if we produced valid
2195 gimple copying and substituting a stmt. If not, gimplify
2198 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2200 * optabs.c (maybe_encapsulate_block): New function extracted from...
2201 (emit_libcall_block): ...here. Invoke it on the block of insns to
2202 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2203 (emit_no_conflict_block): Likewise.
2205 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2207 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2209 2006-07-15 Roger Sayle <roger@eyesopen.com>
2211 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2212 a new NOP_EXPR case of the switch statement.
2214 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2217 * stor-layout.c (place_field): Take the bit field with
2218 an excessive size into account in the ms-bitfiled case.
2221 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2222 the previous bit field.
2224 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2227 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2229 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2231 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2232 signal frames correctly even when the signal was installed with
2235 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2237 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2238 (dbxout_function_end): Use local label LFBB. Remove hook
2240 (dbxout_source_line): Use local label LFBB.
2241 (dbxout_block): Likewise.
2242 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2243 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2244 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2245 and DBX_OUTPUT_NFUN.
2247 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2249 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2251 2006-07-13 Jan Hubicka <jh@suse.cz>
2253 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2255 * output.h (align_variable): Declare.
2256 * varasm.c (align_variable): Export.
2257 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2258 when basic block changed.
2260 2006-07-13 Nick Clifton <nickc@redhat.com>
2262 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2263 walking the LOG_LINKS chain.
2265 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2267 * doc/invoke.texi (C++ Dialect Options): Explain difference
2268 between -fvisibility-inlines-hidden and setting hidden
2269 visibility explicitly.
2271 2006-07-12 Eric Christopher <echristo@apple.com>
2273 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2274 (stmp-lipo): Depend on libgcc.a.
2276 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2278 * tree.c: Fix a comment typo.
2280 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2282 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2284 (umulhisi3_r): Likewise.
2286 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2289 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2290 x < 19, vs wchar_t support.
2292 2006-07-12 Nick Clifton <nickc@redhat.com>
2294 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2295 instead of -isa=sh4.
2297 2006-07-12 Mike Stump <mrs@apple.com>
2299 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2301 2006-07-10 Eric Christopher <echristo@apple.com>
2303 * config/t-slibgcc-darwin: Rewrite.
2305 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2308 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2311 2006-07-08 Matthias Klose <doko@debian.org>
2313 * doc/sourcebuild.texi: Fix typo.
2315 2006-07-07 Mike Stump <mrs@apple.com>
2317 * toplev.c (process_options): Don't give -ffunction-sections may
2318 affect debugging warning for Mach-O.
2320 2006-07-07 James E Wilson <wilson@specifix.com>
2322 * config/mips/mips.md (cpu): Add sb1a.
2323 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2324 addition to sb1. Adjust comments to clarify SB-1A differences from
2326 (ir_sb1a_load): New. Modify bypasses to use it.
2327 (ir_sb1a_simple_alu): Likewise.
2328 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2329 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2330 (mips_issue_rate): Add PROCESSOR_SB1A.
2331 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2332 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2333 (TARGET_SB1): Add PROCESSOR_SB1A check.
2334 (TUNE_SB1): Likewise.
2336 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2337 * config/mips/mips.c (mips_store_data_bypass_p): New.
2338 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2339 store_data_bypass_p.
2341 2006-07-08 Paul Brook <paul@codesourcery.com>
2344 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2346 2006-07-07 Richard Guenther <rguenther@suse.de>
2349 * tree.h (build_one_cst): Declare.
2350 * tree.c (build_one_cst): New function.
2351 * tree-ssa-math-opts.c (get_constant_one): Remove.
2352 (insert_reciprocals): Use build_one_cst.
2353 * fold-const.c (fold_plusminus_mult): Likewise.
2355 2006-07-07 Roger Sayle <roger@eyesopen.com>
2357 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2358 * cfgloopanal.c (dump_graph): Likewise.
2359 * dojump.c (discard_pending_stack_adjust): Likewise.
2360 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2362 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2363 * function.c (finalize_block_changes): Likewise.
2364 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2365 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2366 * rtl.c (dump_rtx_statistics): Likewise.
2367 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2369 * varray.c (dump_varray_statistics): Likewise.
2370 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2371 decode_decimal64, encode_decimal128, decode_decimal128,
2372 decimal_real_to_decimal): Likewise.
2374 2006-07-07 Richard Guenther <rguenther@suse.de>
2376 PR tree-optimization/28187
2377 * tree-vrp.c (vrp_operand_equal_p): New function.
2378 (vrp_bitmap_equal_p): Likewise.
2379 (update_value_range): Use them to compare old and new
2382 2006-07-06 Roger Sayle <roger@eyesopen.com>
2384 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2385 a default case to switch statement to silence compiler warnings.
2387 2006-07-06 Roger Sayle <roger@eyesopen.com>
2390 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2391 the configured assembler supports the x87's ffreep mnemonic.
2392 * configure: Regenerate.
2393 * config.in: Regenerate.
2395 * config/i386/i386.c (output_387_ffreep): New function.
2396 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2397 (output_387_reg_move): Likewise.
2399 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2401 Port to hosts whose 'sort' and 'tail' implementations
2402 treat operands with leading '+' as file names, as POSIX
2403 has required since 2001. However, make sure the code still
2404 works on pre-POSIX hosts.
2405 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2406 which says you should use "tail -c +N" rather than "tail +Nc".
2407 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2409 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2411 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2414 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2417 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2418 PRE_{INC,DEC} of TFmode.
2420 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2421 Alan Modra <amodra@bigpond.net.au>
2424 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2427 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2430 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2431 Remove duplicate gtu.
2433 2006-07-05 Jason Merrill <jason@redhat.com>
2437 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2438 * c-common.c (handle_packed_attribute): So don't copy it here.
2439 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2441 2006-07-05 Mike Stump <mrs@apple.com>
2443 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2445 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2448 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2450 2006-07-05 Richard Guenther <rguenther@suse.de>
2453 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2454 TARGET_SSE2 targets if using SSE math.
2455 (*absdf2_1): Likewise.
2457 2006-07-05 Richard Guenther <rguenther@suse.de>
2459 PR tree-optimization/28162
2460 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2461 make sure to convert the operands to the correct type.
2463 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2465 PR tree-optimization/28218
2467 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2468 to calculate and free the dominator information.
2470 2006-07-04 Peter O'Gorman <peter@pogma.com>
2472 * mklibgcc.in: chmod 644 before ranlib during install.
2474 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2475 J"orn Rennecke <joern.rennecke@st.com>
2477 * configure.ac (.eh_frame data check): Use diff -b.
2479 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2482 * Makefile.in (BUILD_RTL): Add build/vec.o.
2483 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2484 (build/genextract): Delete.
2485 (build/genautomata): Likewise.
2487 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2490 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2491 128-bit IBM long doubles for ABI_V4.
2493 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2495 * tree.c (range_in_array_bounds_p): New predicate.
2496 * tree.h (range_in_array_bounds_p): Declare it.
2497 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2498 return a less conservative answer.
2499 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2500 and flag 'is_group'.
2501 (IS_ELEMENT_FOR_GROUP): New macro.
2502 (FOR_EACH_ACTUAL_CHILD): Likewise.
2503 (next_child_for_group): New helper function.
2504 (can_completely_scalarize_p): Take into account groups.
2505 (sra_hash_tree): Handle RANGE_EXPR.
2506 (sra_elt_eq): Likewise.
2507 (lookup_element): Be prepared for handling groups.
2508 (is_valid_const_index): Delete.
2509 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2510 instead of is_valid_const_index.
2511 <ARRAY_RANGE_REF>: New case.
2512 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2513 is_valid_const_index.
2514 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2515 (scan_dump): Dump info for groups too.
2516 (decide_instantiation_1): Likewise.
2517 (decide_block_copy): Assert that the element is not a group.
2518 Propagate decision to groups.
2519 (generate_one_element_ref): Handle RANGE_EXPR.
2520 (mark_no_warning): Iterate over actual childs.
2521 (generate_copy_inout): Likewise.
2522 (generate_element_copy): Likewise.
2523 (generate_element_zero): Likewise.
2524 (generate_element_init_1): Likewise.
2525 (dump_sra_elt_name): Handle RANGE_EXPR.
2527 2006-07-03 Roger Sayle <roger@eyesopen.com>
2529 PR tree-optimization/26251
2530 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2531 (thread_block): When optimizing for size refuse to thread jumps
2532 that would require duplication of blocks other than redirection
2535 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2537 * configure.ac: Fix thinko in previous check-in.
2538 * configure: Regenerate.
2540 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2543 * configure.ac (for lang...): Simplify nesting of conditionals.
2544 Test subdir_requires for non-enabled languages. Move processing
2545 of lang_opt_files and lang_tree_fiels below that test.
2546 * configure: Regenerate.
2547 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2549 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2551 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2553 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2555 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2558 2006-06-29 Jason Merrill <jason@redhat.com>
2565 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2566 * c-common.c (c_determine_visibility): Handle it here.
2567 * c-decl.c (finish_decl): Call c_determine_visibility for
2569 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2571 * varasm.c (default_assemble_visibility): Likewise.
2572 * c-common.c (handle_visibility_attribute): Complain about trying
2573 to give visibility to an already defined class, or trying to change
2574 declared visibility. Always attach the attribute.
2579 * attribs.c (decl_attributes): Ignore type-in-place attributes
2580 once the type has been defined.
2582 2006-06-29 Roger Sayle <roger@eyesopen.com>
2585 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2586 to indicate the cpplib has issued an error message for us.
2588 2006-06-29 Asher Langton <langton2@llnl.gov>
2591 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2592 insert a label at the end of an function under Mach-O.
2594 2006-06-29 Eric Christopher <echristo@apple.com>
2595 Evan Cheng <evan.cheng@apple.com>
2597 * predicates.md (vector_all_ones_operand): New.
2598 (nonimmediate_or_sse_const_operand): Ditto.
2599 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2600 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2601 (standard_sse_mode_p): Ditto.
2602 (standard_sse_constant_p): Add case for -1 vector.
2603 (ix86_expand_vector_move): Try to use.
2604 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2605 Call standard_sse_constant_opcode.
2606 (*movv4sf_internal): Ditto.
2607 (*movv2df_internal): Ditto.
2609 2006-06-29 Roger Sayle <roger@eyesopen.com>
2611 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2612 of XEXP to extract the operands of a MATCH_CODE rtx.
2614 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2616 * tree.c (tree_size): Do not waste tail padding in
2617 struct tree_string and make the size be the same as
2618 build_string will generate.
2620 2006-06-28 Jason Merrill <jason@redhat.com>
2623 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2624 may_aliases already in the tag's annotations to the bitmap.
2626 2006-06-28 Roger Sayle <roger@eyesopen.com>
2628 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2630 2006-06-28 Roger Sayle <roger@eyesopen.com>
2632 * genpreds.c (generate_switch_p): New function.
2633 (add_mode_tests): Push the new mode test down inside an AND expr
2634 if this allows the switch-suitable MATCH_CODE to be near the root.
2635 (write_match_code_switch): New function to write a MATCH_CODE as
2637 (write_predicate_stmts): New function to write a predicate RTX
2638 expression as a sequence of statements.
2639 (write_one_predicate_function): Use write_predicate_stmts.
2640 (write_tm_constrs_h): Likewise.
2642 2006-06-26 Fred Fish <fnf@specifix.com>
2644 * config/mips/t-sb1: New file.
2645 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2648 2006-06-26 DJ Delorie <dj@redhat.com>
2650 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2652 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2653 Jayant Sonar <jayants@kpitcummins.com>
2654 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2656 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2657 (subsi3, subsi3_1, subsi3_2): New.
2658 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2659 * config/m32c/mov.md (SI mov peephole): New.
2660 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2661 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2663 2006-06-26 Olivier Hainque <hainque@adacore.com>
2665 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2666 a CALL_EXPR target function declaration.
2668 2006-06-26 Richard Guenther <rguenther@suse.de>
2670 * tree.c (build_string): Do not waste tail padding in
2673 2006-06-26 Richard Guenther <rguenther@suse.de>
2675 * ggc-page.c (init_ggc): Add missing element to size_lookup
2679 2006-06-23 Richard Guenther <rguenther@suse.de>
2681 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2682 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2683 alignment requests instead. Add verification code.
2684 Add struct tree_function_decl and struct tree_binfo size to
2685 extra_order_size_table. Add missing element to size_lookup
2688 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2691 * fold-const.c (const_binop): Be prepared for self returning zero.
2692 Simplify code handling complex values.
2694 2006-06-24 Olivier Hainque <hainque@adacore.com>
2696 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2697 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2700 2006-06-24 Olivier Hainque <hainque@adacore.com>
2702 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2703 ARRAY_REF, so have the callback called for the low bound expression.
2705 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2707 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2708 * c-typeck.c (c_common_type): Disallow operations on decimal float
2709 types and other float types.
2710 * convert.c (convert_to_real): Don't ignore conversions involving
2711 decimal float types.
2713 2006-06-23 Olivier Hainque <hainque@adacore.com>
2715 * tree.c (max_int_size_in_bytes): New function, inspired from
2716 code in function.c:assign_temp.
2717 * tree.h (max_int_size_in_bytes): Declare.
2718 * function.c (assign_temp): Use it.
2719 * gimplify.c (create_tmp_var): Relax the assertions on the type
2720 properties, not mandating constant size any more.
2721 (force_constant_size): New static function.
2722 (gimple_add_tmp_var): Use it, forcing variable size to a
2723 constant upper bound if it is not constant on entry.
2725 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2728 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2729 for initialization and setting of one_only flag to ...
2730 (i386_pe_encode_section_info): ...here.
2731 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2732 Recheck that the symbol has not been defined.
2734 2006-06-23 Richard Guenther <rguenther@suse.de>
2736 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2737 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2738 alignment requests instead. Add verification code.
2739 Add struct tree_function_decl and struct tree_binfo size to
2740 extra_order_size_table. Add missing element to size_lookup
2743 2006-06-22 Roger Sayle <roger@eyesopen.com>
2744 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2747 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2748 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2750 2006-06-23 Ben Elliston <bje@au.ibm.com>
2752 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2753 negate dn -- manipulate it directly.
2755 2006-06-22 Roger Sayle <roger@eyesopen.com>
2756 Steven Bosscher <stevenb.gcc@gmail.com>
2759 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2760 generated by gen_move_insn to add REG_LABEL notes if necessary.
2762 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2764 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2765 (leaf_entry): Remove use of MIN_ESA.
2767 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2769 PR rtl-optimization/28121
2770 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2773 2006-06-21 DJ Delorie <dj@redhat.com>
2775 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2777 (mulhisi3_r): Likewise.
2779 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2782 * coverage.c (coverage_counter_alloc): Leave the index type
2784 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2787 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2789 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2790 section from the "Options for Code Generation Conventions".
2792 2006-06-21 Richard Henderson <rth@redhat.com>
2796 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2798 (global_symbolic_operand): Allow weak symbols, even if local_p.
2800 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2802 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2803 (find_interesting_uses_address): Punt if above function returns true.
2805 2006-06-21 Richard Guenther <rguenther@suse.de>
2807 * configure: Regenerated.
2809 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2811 * config/mips/mips.c (function_arg): Where one part of a
2812 complex argument is in registers and the other part in the stack,
2813 return a REG not a PARALLEL.
2815 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2817 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2818 when cross-compiling. Do not substitute libstdcxx_incdir.
2819 * configure: Regenerated.
2821 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2823 * varasm.c (mergeable_string_section): Check for embedded NULs and
2824 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2825 rather than TREE_STRING_LENGTH bytes.
2827 2006-06-21 Richard Guenther <rguenther@suse.de>
2829 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2830 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2833 2006-06-21 Richrad Guenther <rguenther@suse.de>
2835 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2836 Limit iteration over the dominators.
2838 2006-06-20 Roger Sayle <roger@eyesopen.com>
2840 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2841 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2843 2006-06-20 Richard Guenther <rguenther@suse.de>
2844 Michael Matz <matz@suse.de>
2846 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2848 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2849 * et-forest.h (et_free_pools): Prototype new function.
2850 * et-forest.c (et_free_tree_force): Free parent occurrence.
2851 (et_free_pools): New function.
2852 * dominance.c (free_dominance_info): Free et-forest alloc
2855 2006-06-20 Roger Sayle <roger@eyesopen.com>
2857 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2858 integer modes, attempt to directly construct an integer constant.
2860 * fold-const.c (native_encode_vector): Determine the size of each
2861 element from the vector type instead of the first vector element.
2863 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2864 if all of its elements/components are constant.
2865 (build_constructor_from_list): Likewise.
2867 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2869 PR tree-optimization/27331
2870 * tree-data-ref.c (free_data_ref): New function.
2871 (create_data_ref): Fail if the data reference has unknown access
2873 (free_data_refs): Use free_data_ref.
2875 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2878 * tree-inline.c (setup_one_parameter): Strip useless
2879 type conversion before adding it to the IR.
2880 (declare_return_variable): Likewise.
2882 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2885 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2887 2006-06-19 Mike Stump <mrs@apple.com>
2889 * tree.c (variably_modified_type_p): VM arguments don't make the
2892 2006-06-19 Richard Guenther <rguenther@suse.de>
2894 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2895 type conversions after folding.
2897 2006-06-19 Richard Guenther <rguenther@suse.de>
2899 * ggc-page.c (extra_order_size_tab): Add entries with
2900 size of struct function and basic_block.
2901 (size_lookup): Extend to cover sizes up to 511.
2902 (ggc_alloc_stat): Adjust user.
2903 (ggc_pch_count_object): Likewise.
2904 (ggc_pch_alloc_object): Likewise.
2905 (ggc_pch_write_object): Likewise.
2907 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2909 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2910 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2913 2006-06-19 Denis Chertykov <denisc@overta.ru>
2915 * config/avr/libgcc.S : Correct my wrong previous commit.
2917 2006-06-19 Roger Sayle <roger@eyesopen.com>
2920 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2921 have stripped a SUBREG from the shift count, so we may need to
2922 convert_to_mode back to the type's mode before calling make_tree.
2923 Use new_amount instead of amount to avoid expanding a tree twice.
2925 2006-06-19 Richard Guenther <rguenther@suse.de>
2928 * fold-const.c (operand_equal_p): Check if the argument types
2929 have the same precision before stripping NOPs.
2931 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2933 Fix PR tree-optimization/27341
2934 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2936 * tree-complex.c (pass_lower_complex): Update SMT usage.
2938 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2940 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2941 Add a new alternative to the constraint strings. Add move of
2942 operand 1 to 3 to the splitter definition.
2943 ("doloop_si_long"): Second contraint alternative removed.
2945 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2947 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2948 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2950 (AVR_HAVE_MOVW) Define.
2951 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2952 (ASM_SPEC): Add avr25.
2953 (LINK_SPEC): Add avr25.
2954 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2955 (base_arch_s): Add new member 'have_movw_lpmx'.
2956 (avr_arch_types): Init 'have_movw_lpmx'.
2957 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2958 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2959 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2960 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2961 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2963 (avr_file_start): Do not output '.arh' derective.
2964 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2965 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2966 * config/avr/avr.md (mcu_enhanced): Delete.
2967 (mcu_have_movw): Define.
2968 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2969 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2970 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2971 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2972 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2973 attiny861 and at86rf401 devices.
2975 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2977 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2980 2006-06-17 Karl Berry <karl@gnu.org>
2982 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2983 doc/gccint.texi, doc/install.texi (@dircategory): Use
2984 "Software development" instead of "Programming", following
2985 the Free Software Directory.
2987 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2989 * config/i386/i386.c (legitimate_tls_address)
2990 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2991 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2992 (*tls_dynamic_gnu2_combine_64): Likewise.
2994 2006-06-16 Richard Guenther <rguenther@suse.de>
2997 * fold-const.c (negate_expr_p): Do not introduce undefined
2998 overflow in negating INTEGER_CSTs.
2999 (fold_negate_expr): Rename from negate_expr. Revert last
3000 change for folding BIT_NOT_EXPR. Change semantics to
3001 return NULL_TREE for non-simplified negations. Do not
3002 strip type conversions and unify type handling.
3003 (negate_expr): New function, wrap around fold_negate_expr
3004 but ensure building a tree always. Strip type conversions
3005 here, fold to result type.
3006 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3008 2006-06-16 Roger Sayle <roger@eyesopen.com>
3011 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3012 that (would) return their results in stack registers.
3014 2006-06-16 Michael Matz <matz@suse.de>
3015 Richard Guenther <rguenther@suse.de>
3017 * fold-const.c (fold_truthop): Only return new tree node if
3018 we canonicalized something.
3020 2006-06-16 Richard Guenther <rguenther@suse.de>
3022 * function.h (enum function_frequency): Move declaration
3023 out of struct function.
3024 (struct function): Move bool fields and the enum to the bitfield
3025 section. Reorder elements to avoid padding. Remove unused
3026 fields left over from the RTL inliner removal.
3027 * function.c (free_after_compilation): Do not zero removed fields.
3028 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3029 (ipa-type-escape.o): Likewise.
3031 2006-06-16 Richard Guenther <rguenther@suse.de>
3033 * cgraph.h (struct cgraph_local_info): Turn bool elements
3035 (struct cgraph_node): Likewise.
3036 (struct cgraph_varpool_node): Likewise.
3038 2006-06-15 Richard Guenther <rguenther@suse.de>
3040 * fold-const.c (fold_truth_not_expr): Rename from
3041 invert_truthvalue. Give it fold_* semantics to avoid
3043 (invert_truthvalue): New function. Wrapper around
3044 fold_truth_not_expr.
3045 (optimize_minmax_comparison): Avoid creating garbage.
3046 (fold_unary): Use fold_truth_not_expr for folding
3048 (fold_ternary): Replace uses of invert_truthvalue with
3049 fold_truth_not_expr where applicable.
3050 * tree.h (fold_truth_not_expr): Prototype.
3052 2006-06-16 Richard Guenther <rguenther@suse.de>
3054 PR tree-optimization/27781
3055 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3056 * ipa-pure-const.c (target.h): Include.
3057 (analyze_function): Do not analyze functions that do not
3060 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3063 * tree-dfa.c (referenced_vars_dup_list): Remove.
3064 (find_referenced_vars): Remove assert.
3065 (referenced_var_check_and_insert): Replace dup list with assert.
3066 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3067 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3069 2006-06-15 Richard Guenther <rguenther@suse.de>
3071 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3072 extra unused identifiers if not dumping.
3073 (create_variable_info_for): Likewise.
3075 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3077 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3078 (derive_constant_upper_bound): Derive more precise upper bound in
3079 common cases. Return type changed to double_int.
3080 (record_estimate): Reflect the changed return type of
3081 derive_constant_upper_bound.
3082 * double-int.c (double_int_zext, double_int_sext): Fix.
3084 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3086 * configure.ac (CFLAGS): Get them from the toplevel or from the
3087 configure invocation.
3088 * configure: Regenerate.
3089 * Makefile.in (CFLAGS): Substitute value provided by configure.
3091 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3094 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3095 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3096 rather than calling add_stmt on it.
3097 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3099 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3102 * reload1.c (reload): Remove registers returned by update_eliminables
3103 from used_spill_regs.
3105 2006-06-13 DJ Delorie <dj@redhat.com>
3107 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3109 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3111 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3112 html__strip_dir, html__mkdir_p. Enhance install-html target.
3113 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3114 * configure: Regenerate.
3116 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3118 * fold-const.c (fold_cond_expr_with_comparison): Check for
3119 Objective-C++ as language in deciding COND_EXPR transformation.
3121 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3124 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3125 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3126 * config/sh/lib1funcs.h (SL, SL1): Define.
3127 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3128 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3129 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3130 (OBJS_Os_4_200): New variable.
3131 ($(T)libgcc-Os-4-200.a): Use it.
3132 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3133 when dividing 1 and/or by 0.
3135 2006-06-13 Roger Sayle <roger@eyesopen.com>
3137 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3138 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3139 * configure: Regenerate.
3141 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3143 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3144 for real instruction.
3146 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3149 * haifa-sched.c (check_cfg): Handle special case.
3151 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3154 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3155 Add debug_info parameter. Chain the vars to the BLOCK instead
3156 of the BIND_EXPR if debug info are requested for them.
3157 (pop_gimplify_context): Adjust for above change.
3158 (gimple_add_tmp_var): Likewise.
3159 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3161 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3162 (convert_local_reference): Likewise.
3163 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3164 (finalize_nesting_tree_1): Request that debug info be emitted
3165 for debug_var_chain.
3167 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3169 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3170 for PR target/27863.
3172 2006-06-13 Richard Guenther <rguenther@suse.de>
3175 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3177 2006-06-13 Richard Guenther <rguenther@suse.de>
3179 PR tree-optimization/27830
3180 * tree-inline.c (copy_body_r): For copying the operand
3181 of an ADDR_EXPR make sure to fold &* afterwards.
3183 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3185 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3186 lvalues in the fb_none case with side-effects.
3188 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3190 * tree-flow.h: Remove the prototype for
3191 compute_phi_arg_on_exit.
3192 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3193 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3196 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3198 * builtins.c (expand_builtin_return_addr): Only use
3199 frame_pointer_rtx when count == 0 and we are expanding
3200 __builtin_return_address.
3202 2006-06-12 Fred Fish <fnf@specifix.com>
3204 * config/mips/mips.c (mips_file_start): Create special section
3205 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3207 2006-06-11 Eric Christopher <echristo@apple.com>
3210 * stor-layout.c (place_field): Remove check for
3211 remaining_in_alignment when aligning at the end of a run.
3213 2006-06-11 Eric Christopher <echristo@apple.com>
3216 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3219 2006-06-11 Roger Sayle <roger@eyesopen.com>
3222 Revert incorrect fix for PR target/27158
3223 2006-05-08 Roger Sayle <roger@eyesopen.com>
3224 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3225 of a reg_equiv_constant if the result is a legitimate constant.
3227 2006-06-11 Roger Sayle <roger@eyesopen.com>
3230 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3231 extract a CONST_VECTOR element and interpret it as an integer.
3232 (vspltis_constant): Use const_vector_elt_as_int instead of the
3233 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3234 * config/rs6000/predicates.md (easy_vector_const): Consider
3235 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3237 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3240 * stor-layout.c (update_alignment_for_field): Don't add extra
3241 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3244 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3246 * config/mips/t-rtems: Add EL/EB multilib variants.
3248 2006-06-09 Mike Stump <mrs@apple.com>
3250 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3252 2006-06-09 David Daney <ddaney@avtrex.com>
3254 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3256 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3258 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3260 2006-06-09 Richard Guenther <rguenther@suse.de>
3262 PR tree-optimization/26998
3263 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3264 of signed types, only TYPE_MIN_VALUE is special, but for both,
3265 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3266 in this case, as is -fwrapv.
3268 2006-06-08 Mike Stump <mrs@apple.com>
3271 * config/darwin.c (darwin_asm_output_anchor): Disable
3272 -fsection-anchors on darwin for now.
3273 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3274 * rs6000/rs6000.c (optimization_options): Likewise.
3276 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3279 * config/i386/i386.c (classify_argument): Skip fields with invalid
3282 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3284 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3285 (cse_insn): Likewise for the stack_pointer_rtx.
3287 2006-06-08 Roger Sayle <roger@eyesopen.com>
3289 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3290 conditions from floating point comparisons.
3292 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3295 * expmed.c (struct alg_hash_entry): Fix type of field T
3296 to match synth_mult argument.
3297 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3299 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3302 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3305 2006-06-08 Richard Guenther <rguenther@suse.de>
3308 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3309 only, if overflow is defined and not trapping.
3310 (negate_expr): Likewise.
3312 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3314 PR tree-optimization/27872
3315 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3316 flag on the new exit edge of the unrolled loop.
3318 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3320 PR rtl-optimization/26449
3321 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3323 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3326 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3327 referenced_variables with matching DECL_UID's.
3328 (find_referenced_vars): Make sure duplicate list is empty to start.
3329 (referenced_var_p): Remove.
3330 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3331 Check if var is in the list, and add if needed. Update the duplicate
3332 list if a different var is in the list with the same DECL_UID.
3333 (add_referenced_var): Call routine to check and insert.
3334 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3335 * tree-flow.h (referenced_vars_dup_list): External declaration.
3337 2006-06-07 Fred Fish <fnf@specifix.com>
3339 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3342 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3345 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3346 the imaginary and real parts of a clobbered register.
3347 Emit insn to set the imaginary part.
3349 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3351 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3352 in lieu of unwind-dw2-fde.c.
3354 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3356 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3358 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3361 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3362 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3363 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3364 V4SImode temporaries and operations instead.
3366 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3368 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3371 2006-06-06 Mike Stump <mrs@apple.com>
3373 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3374 installing during build.
3376 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3378 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3380 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3381 * config/ia64/ia64.c (params.h): New header.
3382 (ia64_optimization_options): New function to adjust parameters.
3383 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3384 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3385 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3387 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3389 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3391 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3394 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3396 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3397 Victor Kaplansky <victork@il.ibm.com>
3399 PR tree-optimization/26360
3400 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3403 2006-06-04 Roger Sayle <roger@eyesopen.com>
3404 Andrew Pinski <pinskia@physics.uc.edu>
3407 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3408 for LABEL_DECL before calling DECL_WEAK.
3411 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3412 LABEL_DECL and PARM_DECL.
3414 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3418 * c-decl.c (grokdeclarator): Disallow variably modified types at
3419 file scope. Avoid marking shared array type of constant size as
3422 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3425 * c-common.c (fold_offsetof_1): Handle static members.
3427 2006-06-04 Eric Christopher <echristo@apple.com>
3429 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3430 (debug_rli): Output value for remaining_in_alignment.
3431 (update_alignment_for_field): Unconditionalize
3432 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3433 extra alignment code.
3434 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3435 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3436 * tree.h (record_layout_info_s): Remove prev_packed.
3437 * doc/extend.texi (ms_struct): Add documentation of format.
3439 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3441 * tree.h: Declare folding_initializer.
3442 * builtins.c (fold_builtin_constant_p): Give definite answer
3443 if folding inside an initializer.
3444 * fold-const.c: Define folding_initializer.
3445 (START_FOLD_INIT): Save and then set folding_initializer.
3446 (END_FOLD_INIT): Restore folding_initializer.
3448 2006-06-04 Richard Guenther <rguenther@suse.de>
3450 PR tree-optimization/27039
3451 * fold-const.c (fold_comparison): Handle pointer comparison
3452 again for all comparison codes. Compare offsets in signed
3454 (fold_binary): Move code from here.
3456 2006-06-03 Roger Sayle <roger@eyesopen.com>
3459 * config/i386/i386.c (construct_container): Split static issued_error
3460 flag into issued_sse_arg_error, issued_sse_ret_error and
3461 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3462 requires the use of x87 registers and the user explicitly
3463 specified the -mno-80387 command line option.
3465 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3467 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3468 HAVE_DECL_SIGALTSTACK.
3470 (segv_handler): Use MC_FLD.
3471 * configure.ac: Check for a sigaltstack declaration.
3472 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3473 * configure: Regenerate.
3474 * config.in: Regenerate.
3476 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3479 * Makefile.in (stmp-fixinc): Fix typo.
3481 2006-06-02 Roger Sayle <roger@eyesopen.com>
3483 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3484 are type correct. Clean-up.
3485 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3486 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3488 2006-06-01 DJ Delorie <dj@redhat.com>
3490 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3491 shift, as we've disabled the "switch" insn that needs it.
3493 2006-06-01 Per Bothner <bothner@bothner.com>
3495 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3496 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3497 * c-ppoutput.c (cb_define): Don't increment line 0.
3499 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3501 * doc/invoke.texi: Add cpu_type power6.
3502 * config.gcc: Add cpu_type power6.
3503 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3504 to power5+ with Altivec.
3505 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3506 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3508 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3510 * config/avr/avr.h (SET_ASM_OP): Define.
3512 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3514 * config/bfin/bfin.c: Fix comment typos.
3516 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3519 * doc/install.texi: Document --enable-bootstrap and
3520 --disable-bootstrap.
3522 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3524 * doc/install.texi: Document that InfoZIP can replace jar.
3526 2006-05-31 Roger Sayle <roger@eyesopen.com>
3528 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3529 isn't available, directly generate the simpler x87 patterns without
3530 the (use (const_int 0)).
3531 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3532 implementation isn't available.
3533 (*negdf2_1): Likewise.
3534 (*negxf2_1): XF mode negation is always done using the x87.
3535 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3537 2006-05-31 Roger Sayle <roger@eyesopen.com>
3539 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3540 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3542 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3544 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3546 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3547 * config/bfin/bfin.c (basic-block.h): Include.
3548 (struct machine_function): New.
3549 (bfin_init_machine_status): New.
3550 (override_options): Initialize init_machine_status.
3551 (bfin_hardware_loop): New.
3552 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3553 (DEF_VEC_P (loop_info)): New.
3554 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3555 (struct loop_info): New.
3556 (loop_info): New typedef.
3557 (struct loop_work): New.
3558 (loop_work): New typedef.
3559 (DEF_VEC_O (loop_work)): New.
3560 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3561 (bfin_dump_loops): New.
3562 (bfin_bb_in_loop): New.
3563 (bfin_scan_loop): New.
3564 (bfin_optimize_loop): New.
3565 (bfin_reorg_loops): New.
3566 (bfin_reorg): Use bfin_reorg_loops.
3567 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3569 (I_REGNO_P): Simplify.
3570 (DP_REGNO_P, DPREG_P): New macros.
3571 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3572 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3573 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3574 Add LT_REGS, LC_REGS, LB_REGS.
3575 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3577 (REGNO_REG_CLASS): Deal with loop registers.
3578 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3580 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3581 New constants for loop registers.
3582 (UNSPEC_LSETUP_END): New.
3583 (seq_insns): New define_attr. Set it for appropriate insns.
3584 (movsi_insn): Add alternatives for move from/to
3585 loop count registers.
3586 (doloop_end): New define_expand.
3587 (loop_end): New define_insn.
3588 (define_split for bad doloop_end): New.
3589 (lsetup_with_autoinit): New define_insn.
3590 (lsetup_without_autoinit): New define_insn.
3591 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3592 * config/bfin/predicates.md (lc_register_operand): New.
3593 (lt_register_operand): New.
3594 (lb_register_operand): New.
3595 (nondp_register_operand): New.
3596 (nondp_reg_or_memory_operand): New.
3597 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3599 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3601 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3602 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3604 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3606 * Makefile.in (CATALOGS): Add po/ prefix.
3607 * configure: Regenerated.
3609 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3612 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3613 a shift operand before calling shift_op. Avoid redundant call of
3616 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3617 DJ Delorie <dj@redhat.com>
3619 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3620 we're inserting is a singlt-bit constant.
3622 2006-05-30 Roger Sayle <roger@eyesopen.com>
3624 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3625 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3627 2006-05-30 Roger Sayle <roger@eyesopen.com>
3629 PR tree-optimization/23452
3630 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3631 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3632 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3633 complex values and with -ffast-math for FP complex values.
3635 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3637 * c-common.h: Remove the prototype for yyparse.
3638 * rtl.h: Remove the prototype for init_loop.
3640 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3642 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3645 2006-05-30 Roger Sayle <roger@eyesopen.com>
3647 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3649 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3650 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3652 2006-05-30 Dirk Mueller <dmueller@suse.de>
3655 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3656 for CONSTANT_CLASS_P expresisons.
3658 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3661 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3663 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3665 PR tree-optimization/27779
3666 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3667 initial_condition instead of CHREC_LEFT.
3669 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3671 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3672 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3673 Make prototypes ISO C90.
3675 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3676 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3678 * see.c (see_analyze_one_def): Correct check.
3679 (see_get_extension_data): Check if extension is parallel.
3680 (see_get_extension_reg): Likewise.
3682 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3685 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3686 into register for (code == GTU).
3688 2006-05-29 Roger Sayle <roger@eyesopen.com>
3690 PR tree-optimization/24964
3691 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3692 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3693 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3694 abs(x)*abs(x) as x*x for scalar floating point modes.
3696 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3699 * lambda-code.c (perfect_nestify): Don't copy statements
3700 in the inner loop: move them to the inner loop header.
3702 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3705 * c-tree.texi: Document OpenMP directives and clauses.
3707 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3709 * varasm.c (globalize_decl): Fix indentation.
3711 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3714 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3715 pass_fre, pass_store_ccp, pass_copy_prop,
3716 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3717 pass_return_slot, pass_object_size, pass_lim,
3718 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3719 pass_loop_prefetch and pass_stdarg.
3721 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3723 * config/bfin/bfin.opt (mfdpic): New option.
3724 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3725 (EXTRA_MULTILIB_PARTS): Likewise.
3726 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3727 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3729 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3730 (CRT_CALL_STATIC_FUNCTION): New.
3731 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3733 (CRT_CALL_STATIC_FUNCTION): New.
3734 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3736 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3737 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3738 (initialize_trampoline): Changed to handle FD-PIC code generation.
3739 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3740 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3741 (override_options): Disallow -mid-shared-library -mfdpic combination.
3742 Can't do unaligned ops if FD-PIC.
3743 Turn off flag_pic if trying to generate non-id-shared-library
3744 non-fdpic code, since it's not supported.
3745 (bfin_assemble_integer): New function.
3746 (TARGET_ASM_INTEGER): Define.
3747 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3749 * config/bfin/crtn.s: Restore them.
3750 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3752 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3753 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3754 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3755 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3756 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3758 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3759 FDPIC_REGS and FDPIC_FPTR_REGS.
3760 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3761 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3762 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3763 (load_funcdescsi): New pattern.
3764 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3765 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3766 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3768 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3770 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3773 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3775 * tree-flow.h: Remove the prototype for add_type_alias.
3776 * tree-ssa-alias.c (add_type_alias): Remove.
3778 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3780 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3781 config/fr30/fr30.md, config/i386/i386-interix.h,
3782 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3783 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3784 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3785 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3786 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3787 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3788 Follow spelling conventions.
3789 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3790 Follow spelling conventions.
3792 2006-05-27 Richard Guenther <rguenther@suse.de>
3795 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3796 to produce a constant of value 1 of generic type.
3798 2006-05-27 Dirk Mueller <dmueller@suse.de>
3800 * cgraphunit.c (decide_is_function_needed): Fix wrong
3803 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3805 PR rtl-optimization/27661
3806 * reload.c (find_reloads): When reloading a VOIDmode constant
3807 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3808 use Pmode as mode of the reload register.
3810 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3812 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3813 is enabled at -O and above.
3815 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3818 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3821 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3824 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3825 for anonymous variables explicitly declared by front ends.
3827 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3829 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3830 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3831 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3832 ref-all pointers, run a finalization pass for them.
3833 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3834 (finalize_ref_all_pointers): New function.
3835 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3836 regular pointer type to a ref-all pointer type.
3837 (get_tmt_for): Return the special memory tag for ref-all pointers.
3839 2006-05-25 Richard Guenther <rguenther@suse.de>
3842 * fold-const.c (fold_binary): Do not look at the stripped
3843 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3845 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3847 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3848 for LT and GT if the computed range is effectively empty.
3850 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3853 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3854 mips_quad_format formats instead of ieee_single_format,
3855 ieee_double_format and ieee_quad_format formats, respectively.
3857 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3859 PR tree-optimization/27639
3860 PR tree-optimization/26719
3861 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3862 call to scev_probably_wraps_p.
3863 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3864 used_in_pointer_arithmetic_p, convert_step): Removed.
3865 (nowrap_type_p): New function.
3866 (scev_probably_wraps_p): Rewritten.
3867 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3868 chrec_convert if chrec_convert_aggressive might have been used.
3869 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3870 scev_direction): New functions.
3871 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3872 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3873 instead of convert_step.
3874 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3875 (convert_step): Declaration removed.
3876 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3878 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3880 * df-core.c: Added to header comments.
3881 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3882 df_ur_bb_info, df_urec_bb_info): Added comments.
3883 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3884 urec, ri problems): Fixed header comments.
3885 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3886 code from df_rd_transfer_function.
3888 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3890 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3891 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3892 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3894 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3896 * expr.c (undefined_operand_subword_p): New.
3897 (emit_move_multi_word): Do not generate move from undefined bits
3898 of a paradoxical subreg.
3900 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3902 PR rtl-optimization/27736
3903 * combine.c (replaced_rhs_value): New variable.
3904 (combine_instructions): Set it.
3905 (distribute_notes): When distributing a note in replaced_rhs_insn,
3906 check whether the value was used in replaced_rhs_value.
3908 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3911 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3912 add_referenced_var instead of add_referenced_tmp_var.
3913 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3914 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3916 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3917 tree_optimize_tail_calls_1): Use add_referenced_var.
3918 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3919 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3920 Use add_referenced_var.
3921 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3922 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3923 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3924 Use add_referenced_var.
3925 * tree-dfa.c (struct walk_state): Remove.
3926 (find_referenced_vars): Remove walk state and vars_found hash table.
3927 (make_rename_temp): Use add_referenced_var.
3928 (find_vars_r): Pass less parameters to add_referenced_var.
3929 (referenced_var_p): New. Is var in referenced_var hash table.
3930 (referenced_var_insert): Assert var isn't already in hash table.
3931 (add_referenced_var): Don't need walk_state parameter. Add var if it
3932 isn't already in the hash table.
3933 (add_referenced_tmp_var): Remove.
3934 (find_new_referenced_vars_1): Use add_referenced_var.
3935 * tree-ssa-pre.c (create_expression_by_pieces,
3936 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3937 Use add_referenced_var.
3938 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3939 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3940 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3942 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3943 vect_create_data_ref_ptr, vect_create_destination_var,
3944 vect_init_vector, vect_build_loop_niters,
3945 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3946 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3947 Use add_referenced_var.
3948 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3949 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3950 (add_referenced_var): Add prototype.
3951 * tree-ssa-structalias.c (get_constraint_for,
3952 intra_create_variable_infos): Use add_referenced_var.
3954 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3956 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3957 big-endian paradoxical subregs.
3958 * var-tracking.c (struct micro_operation_def): Document that,
3959 for modify micro operations, insn is the subsequent instruction.
3960 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3961 (var_reg_set, var_mem_set): ... new functions.
3962 (add_stores): Record subsequent insn.
3963 (compute_bb_dataflow): Use new functions for MO_USE.
3964 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3965 notes after the insn, and modify notes before the insn known
3966 to be the subsequent one.
3967 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3969 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3972 * config/i386/i386.c (ix86_expand_builtin): Use
3973 gen_sse3_monitor64 for TARGET_64BIT.
3975 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3977 PR rtl-optimization/26375
3978 PR rtl-optimization/26855
3979 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3981 (df_ru_bb_local_compute): Reversed statements and removed bogus
3982 comment explaining why they should be in wrong order.
3983 (df_ru_dump, df_rd_dump): Enhanced debug info.
3984 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3986 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3987 reaching uses and fixed space problem.
3989 2006-05-23 Jan Hubicka <jh@suse.cz>
3991 * cgraphunit.c (decide_is_function_needed): Also nested functions
3992 and functions declared inline can be optimized out at -O0.
3994 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3996 * doc/install.texi (Configuration): Remove reference to CrossGCC
4000 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4003 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4004 ix86_compare_emitted is non-NULL.
4006 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4009 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4012 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4014 PR rtl-optimization/25514
4015 * combine.c (replaced_rhs_insn): New variable.
4016 (combine_instructions): Set replaced_rhs_insn when trying to replace
4017 a SET_SRC with a REG_EQUAL note.
4018 (distribute_notes): Use replaced_rhs_insn when determining the live
4019 range of a REG_DEAD register.
4021 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4022 Anatoly Sokolov <aesok@post.ru>
4024 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4025 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4026 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4027 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4028 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4029 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4030 at90usb647, at90usb1286 and at90usb1287 devices.
4031 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4032 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4034 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4036 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4038 2006-05-22 Richard Guenther <rguenther@suse.de>
4041 2006-01-31 Richard Guenther <rguenther@suse.de>
4042 Paolo Bonzini <bonzini@gnu.org>
4044 * doc/install.texi (--disable-libgcc-math): Document.
4046 2006-05-22 Richard Guenther <rguenther@suse.de>
4049 2006-01-31 Richard Guenther <rguenther@suse.de>
4051 * doc/invoke.texi (-msselibm): Document.
4052 * target.h (expand_library_builtin): New target hook.
4053 * builtins.c (expand_builtin): Use expand_library_builtin.
4054 (default_expand_library_builtin): New function.
4055 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4056 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4057 (link_gcc_math_spec): Declare.
4058 (static_specs): Add link_gcc_math_spec.
4059 * expr.h (default_expand_library_builtin): Declare.
4060 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4061 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4062 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4063 * config/i386/i386.opt (msselibm): New target option.
4064 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4065 (ix86_init_sse_abi_builtins): New function.
4066 (ix86_expand_library_builtin): Likewise.
4067 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4068 (override_options): Handle error conditions wrt -msselibm.
4069 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4070 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4071 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4074 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4077 * c-common.c (self_promoting_args_p): Skip erroneous args.
4080 * c-decl.c (finish_struct): Skip erroneous fields.
4082 2006-05-22 Nick Clifton <nickc@redhat.com>
4084 * config/cris/cris.opt (march): Remove VarExists attribute.
4085 (max-stackframe=): Likewise.
4087 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4089 * doc/rtl.texi: Fix a typo.
4090 * see.c: Fix comment typos.
4092 * tree-ssa-structalias.h (alias_info): Remove num_references.
4094 2006-05-21 Mike Stump <mrs@apple.com>
4096 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4098 (darwin_pragma_options): Use BAD instead.
4099 (darwin_pragma_unused): Likewise.
4100 (darwin_pragma_ms_struct): Likewise.
4102 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4104 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4106 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4108 PR rtl-optimization/27671
4109 * simplify-rtx.c (simplify_relational_operation_1): Fix
4110 simplifications of (eq/ne (xor x y) y) and
4111 (eq/ne (xor x y) x).
4113 PR tree-optimization/26622.
4114 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4117 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4119 * tree-cfg.c: Prune whitespace.
4120 (debug_tree_cfg): Point to correct header containing the
4123 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4126 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4128 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4131 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4132 or sorry count is non zero.
4134 2006-05-20 Andreas Schwab <schwab@suse.de>
4136 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4138 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4139 Kenneth Zadeck <zadeck@naturalbridge.com>
4141 PR rtl-optimization/26855
4143 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4145 (df_scan_alloc): Added code to properly handle multiword hard
4146 registers and add all_blocks parameter.
4147 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4148 code to properly handle multiword hard registers.
4149 (df_rescan_blocks): Added code to remove deleted blocks from
4151 (df_ref_create_structure, df_ref_record): Added code to properly
4153 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4154 and set DF_REF_PARTIAL.
4155 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4156 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4157 (df_scan_add_problem): Added flags parameter.
4158 (df_ref_create_structure): Changed switching structure.
4159 (df_bb_refs_record): Fixed case where duplicate artificial refs
4160 were created. Changed location of flags.
4161 (df_record_entry_block_defs): Added code to make stack pointer
4162 live in entry block. Refined cases where frame pointer is needed.
4163 Changed location of flags.
4164 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4165 (df_set_state): Removed function.
4166 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4167 df_insn_create_insn_record, df_insn_refs_delete,
4168 df_ref_create_structure): Formatting changes.
4169 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4170 df_delete_basic_block): New function.
4171 (df_init): Changed location of flags.
4172 (df_add_problem): Added flags parameter and the way flags are
4174 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4175 debug_df_chain): Improved debugging output.
4176 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4177 (df_refs_chain_dump): Removed df parameter.
4178 (df_iterative_dataflow): Added consistency check.
4179 (df_prune_to_subcfg): Made public.
4180 (df_analyze_problem): Added blocks_to_init parameter and made
4182 (df_ref_record, df_bb_refs_record, df_mark_reg,
4183 df_record_exit_block_uses): Whitespace changes.
4184 (df_dump): Whitespace changes.
4185 * df.h: Some reordering to remove forward references.
4186 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4187 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4188 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4189 (dataflow.flags): New field.
4190 (df.flag): Deleted field.
4191 (df_alloc_function): Added additional bitmap parameter.
4192 (df_dependent_problem_function): New type.
4193 (df_problem.changeable_flags): New field.
4194 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4195 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4196 (df_mw_hardreg): New struct.
4197 (DF_INSN_UID_MWS): New macro.
4198 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4200 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4201 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4202 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4203 (df_set_state): Removed function.
4204 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4205 * df-problems.c (df_chain_dump): Removed df parameter.
4206 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4207 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4209 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4210 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4211 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4212 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4213 DF_REF_MUST_CLOBBER cases.
4214 (df_ru_bb_local_compute_process_def,
4215 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4216 df_lr_bb_local_compute, df_ur_bb_local_compute,
4217 df_chain_create_bb): Made subreg aware.
4218 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4219 df_lr_bb_local_compute, df_lr_bb_local_compute,
4220 df_chain_create_bb): Cleanup to use proper macros.
4221 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4222 code to fixup bitvectors.
4223 (df_ri_alloc): Cleared lifetime.
4224 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4225 df_create_unused_note): New function.
4226 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4227 REG_DEAD and REG_UNUSED notes as well as register information.
4228 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4229 df_chains_dump): Fixed crash if problem was never run.
4230 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4231 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4232 df_ri_add_problem): Processes flags in uniform manner.
4233 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4234 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4235 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4236 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4237 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4238 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4239 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4240 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4241 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4242 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4243 * see.c (see_initialize_data): Ditto.
4244 * final.c (rest_of_clean_state) Added regstack_completed.
4245 * rtl.h (regstack_completed): Ditto.
4246 * reg-stack.c (regstack_completed): Ditto.
4248 2006-05-19 Mike Stump <mrs@apple.com>
4250 * c-tree.h (default_conversion): Remove.
4251 * c-common.h (default_conversion): Add.
4253 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4255 * tree-vrp.c (valid_value_p): New function.
4256 (adjust_range_with_scev): Fail if the value of bound is not
4259 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4261 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4262 (mips_fallback_frame_state): Use syscall numbers to determine
4263 the appropriate li instruction for the current ABI. Only use
4264 __NR_sigreturn for o32.
4266 2006-05-19 Nicolas Setton <setton@adacore.com>
4268 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4269 * langhooks.c (lhd_dwarf_name): New function.
4270 * langhooks-def.h (lhd_dwarf_name): Declare.
4271 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4272 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4273 * ada/misc.c (gnat_dwarf_name): New function.
4274 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4276 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4278 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4280 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4281 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4282 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4283 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4284 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4285 determine the size of Wtype, etc.
4286 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4287 (swfloatfuncs): New variable.
4288 (dwfloatfuncs): Likewise.
4289 (lib2funcs): Remove floating-point conversion functions from
4290 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4291 the set of conversion routines needed. Allow entries to specify
4292 an object name, filename and word size. Update users accordingly.
4293 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4294 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4298 2006-02-08 Roger Sayle <roger@eyesopen.com>
4301 * config/fixtfdi.c: New libgcc source file.
4302 * config/fixunstfdi.c: New source file.
4303 * config/floatditf.c: New source file.
4304 * config/floatunditf.c: New souce file.
4305 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4306 files above instead of config/mips/_tilib.c.
4307 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4309 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4311 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4312 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4314 2006-05-18 Mike Stump <mrs@apple.com>
4316 Fix up vla, vm and [*] sematics.
4322 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4323 (c_vla_unspec_p): Add.
4324 (c_vla_type_p): Add.
4325 * c-decl.c (struct c_scope): Add had_vla_unspec.
4326 (build_array_declarator): Add support for [*].
4327 (grokdeclarator): Likewise.
4328 (grokparms): Likewise.
4329 (get_parm_info): Likewise.
4330 * c-objc-common.c (c_vla_unspec_p): Likewise.
4331 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4332 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4333 typeof when argument is a variably modified type not inside sizeof or alignof.
4334 (c_parser_direct_declarator_inner): Propagate errors.
4335 (c_parser_sizeof_expression): Add support for [*].
4336 (c_parser_parms_declarator): Initialize had_vla_unspec.
4337 (c_parser_parms_list_declarator): Likewise.
4338 * c-typeck.c (c_vla_type_p): Add.
4339 (composite_type): Add support for vla compositing.
4340 (comptypes_internal): Add support for vla compatibility.
4341 (c_expr_sizeof_expr): Evaluate vla arguments.
4342 * tree.c (variably_modified_type_p): Update comment for [*].
4344 2006-05-18 Michael Matz <matz@suse.de>
4347 * config.host: Make assignments to host_xmake_file cumulative.
4348 * config.host (*-darwin*): Test $host, not $target.
4350 2006-05-12 Stuart Hastings <stuart@apple.com>
4352 * config/i386/i386.opt (-mstackrealign): New flag.
4353 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4354 (ix86_handle_cconv_attribute): Emit error when
4355 force_align_arg_pointer attribute collides with too many regparms.
4356 (ix86_function_regparm): Limit regparms when used with
4357 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4358 Support stack-realigning prologue in non-main functions. Emit
4359 warning for nested functions under -mstackrealign, emit error for
4360 nested functions with force_align_arg_pointer attribute.
4361 * doc/extend.texi (force_align_arg_pointer): Document it.
4362 * doc/invoke.texi (-mstackrealign): Document it.
4364 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4366 PR rtl-optimization/27477
4367 * combine.c (try_combine): Don't split a parallel consisting
4368 of two sets into two individual sets if both sets reference
4371 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4373 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4374 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4376 * doc/options.texi (VarExists): Updated.
4378 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4380 * unwind-dw2.c: Add declarations for uw_update_context and
4382 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4383 detected, advance frame state and context once to skip over stub.
4385 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4389 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4390 Call rewrite_into_loop_closed_ssa only when something changed.
4391 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4392 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4393 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4394 Test for perfect_nest_p here. Fix formating.
4395 (replace_uses_equiv_to_x_with_y): Fix formating.
4396 (stmt_uses_op): Removed.
4397 (can_convert_to_perfect_nest): Removed loopivs parameter.
4398 Complete the test by checking the scalar dependences.
4399 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4402 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4405 From Dan Kegel <dank@kegel.com>:
4406 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4408 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4410 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4411 if the element type is variably modified without recursing.
4413 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4416 * tree-loop-linear.c (try_interchange_loops): Test for
4417 no data dependences.
4419 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4421 PR tree-optimization/27548
4422 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4423 range of ssa names that appear on abnormal edges.
4424 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4425 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4427 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4430 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4432 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4435 * tree.h (OMP_PARALLEL_COMBINED): Define.
4436 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4437 (new_omp_context): Add is_combined_parallel argument.
4438 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4439 new_omp_context caller.
4440 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4441 Adjust gimplify_scan_omp_clauses callers.
4442 (omp_is_private): Issue errors if iteration variable is firstprivate
4443 or reduction in the current context.
4444 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4445 on combined parallel workshare constructs.
4447 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4449 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4450 (gcc-options.o): New rule.
4452 * optc-gen.awk: Protect variables for gcc-options.o with
4453 #ifdef GCC_DRIVER/#endif.
4455 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4457 Fix PR tree-optimization/27373
4458 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4459 (forward_propagate_addr_expr): Update call.
4461 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4463 * doc/options.texi: Move the Negative option.
4465 2006-05-16 Richard Guenther <rguenther@suse.de>
4467 PR tree-optimization/22303
4468 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4470 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4471 ccp_fold did not simplify the statement.
4473 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4476 * Makefile.in (GCC_OBJS): New.
4477 (OBJS-common): Add opts-common.o.
4478 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4479 (cpp$(exeext)): Likewise.
4480 (gcc.o): Also depend on opts.h.
4481 (opts-common.o): New.
4483 * common.opt (gcoff): Add Negative(gdwarf-2).
4484 (gdwarf-2): Add Negative(gstabs).
4485 (gstabs): Add Negative(gstabs+).
4486 (gstabs+): Add Negative(gvms).
4487 (gvms): Add Negative(gxcoff).
4488 (gxcoff): Add Negative(gxcoff+).
4489 (gxcoff+): Add Negative(gcoff).
4490 * config/i386/i386.opt (m32): Add Negative(m64).
4491 (m64): Add Negative(m32).
4493 * doc/options.texi: Document the Negative option.
4495 * gcc.c: Include "opts.h".
4496 (main): Call prune_options after expandargv.
4498 * optc-gen.awk: Generate common declarations for all flag
4499 variables in options.c. Output the neg_index field.
4501 * opts.c (find_opt): Moved to ...
4502 * opts-common.c: Here. New file.
4504 * opts.h (cl_option): Add a neg_index field.
4506 (prune_options): Likewise.
4508 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4511 * omp-low.c (expand_omp_parallel): Don't assert
4512 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4513 instead search for it.
4516 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4519 2006-05-16 Andreas Schwab <schwab@suse.de>
4521 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4524 2006-05-15 Roger Sayle <roger@eyesopen.com>
4527 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4528 integer constants other than zero are only legitimate on TARGET_64BIT.
4529 <CONST_VECTOR> Only zero vectors are legitimate.
4530 (ix86_cannot_force_const_mem): Integral and vector constants can
4531 always be put in the constant pool.
4533 2006-05-16 DJ Delorie <dj@redhat.com>
4535 * crtstuff.c (__dso_handle): Set section from
4536 TARGET_LBIGCC_SDATA_SECTION if defined.
4537 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4538 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4540 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4543 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4546 2006-05-16 Ben Elliston <bje@au.ibm.com>
4548 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4550 2006-05-15 Per Bothner <per@bothner.com>
4552 * tree.c: (last_annotated_node): Use source_locus typedef.
4553 This permits bootstrapping with --enable-mapped-location.
4555 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4557 PR tree-optimization/26830
4558 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4559 (info_for_ssa_name, current_info_for_ssa_name_age,
4560 blocks_to_update): New variables.
4561 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4562 (clear_ssa_name_info, initialize_flags_in_bb,
4563 mark_block_for_update): New functions.
4564 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4565 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4566 prepare_def_site_for): Use mark_block_for_update.
4567 (mark_def_interesting): Assert that the processed block is marked in
4568 blocks_to_update. Do not take blocks argument.
4569 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4571 (rewrite_update_init_block, rewrite_update_stmt): Only process
4572 blocks with statements to rewrite.
4573 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4574 (update_ssa): Initialize and free blocks_to_update. Do not
4575 clear flags on statements. Do not use blocks bitmap.
4576 * tree.h (SSA_NAME_AUX): Removed.
4577 (struct tree_ssa_name): Removed aux field.
4578 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4580 2006-05-15 Richard Guenther <rguenther@suse.de>
4582 PR tree-optimization/27603
4583 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4584 Do computations in original type.
4586 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4588 * see.c: Code style changes such as redundant paranthesis,
4589 redundant intialization of local variables etc.
4590 (see_main): Declared now as static.
4591 * doc/invoke.texi: Update that -fsee is not enabled by
4594 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4596 * omp-low.c (check_omp_nesting_restrictions): New function.
4597 (scan_omp_1): Call it.
4600 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4601 construct, return *VAR.
4603 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4605 PR rtl-optimization/27406
4606 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4609 2006-05-14 Roger Sayle <roger@eyesopen.com>
4611 PR rtl-optimization/27538
4612 * combine.c (expand_compound_operation): Call gen_lowpart
4613 before calling simplify_shift_const.
4615 2006-05-14 Roger Sayle <roger@eyesopen.com>
4617 PR rtl-optimization/22563
4618 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4619 a fixed width bitfield, always force the intermediates into psuedos.
4621 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4624 * mkconfig.sh: Use operator = instead of == for test.
4626 2006-05-13 Nick Clifton <nickc@redhat.com>
4628 * dwarf2out.c (dbx_reg_number): Check return value from
4629 LEAF_REG_REMAP and only use it if it is valid.
4630 (multiple_reg_loc_descriptor): Likewise.
4632 2006-05-13 Richard Guenther <rguenther@suse.de>
4634 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4637 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4639 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4640 information attached to non-INSNs such as NOTEs.
4641 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4643 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4645 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4647 * config/s390/s390.md: Adjust comment describing On constraint.
4649 2006-05-11 Jan Hubicka <jh@suse.cz>
4651 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4652 to be output at -O0.
4654 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4657 * fold-const.c (size_binop): Move sanity check for arguments to
4658 the beginning of the function.
4661 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4664 2006-05-11 Richard Guenther <rguenther@suse.de>
4667 * fold-const.c (fold_unary): Handle intermediate conversion
4668 to a pointer type like intermediate conversion to an integer
4669 type in folding of (T1)(T2)var to var.
4670 Match the code to the comment in the final conversion for
4671 (T1)(T2)var to (T1)var regarding to type precision. Rather
4672 than disallow T1 being of pointer type, assert that both T1
4673 and var are of pointer type or not. Make sure not to fall
4674 over the frontends lazyness wrt array to pointer decay though.
4676 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4678 * arm.c (arm_struct_value_rtx): Delete.
4679 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4680 (arm_init_cumulative_args): Always initialize nregs to zero.
4682 2006-05-10 Richard Guenther <rguenther@suse.de>
4684 PR tree-optimization/27532
4685 * tree-object-size.c (plus_expr_object_size): Fix typo.
4687 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4690 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4691 ashrdi_const, ashrdi3): Use a scratch register.
4693 2006-05-10 Richard Guenther <rguenther@suse.de>
4695 PR tree-optimization/27302
4696 * fold-const.c (operand_equal_p): For two comparisons,
4697 try comparison of one comparison code swapped if that yields
4700 2006-05-10 Ben Elliston <bje@au.ibm.com>
4702 * tree-pretty-print.c (pretty_print_string): No need to handle
4703 '\0' as a special character.
4705 * tree.h: Include "hashtab.h".
4706 (iterative_hash_expr): Use hashval_t in its prototype.
4707 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4709 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4712 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4713 (hppa*64*-*-hpux11*): Ditto.
4714 (hppa[12]*-*-hpux11*): Ditto.
4716 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4719 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4721 2006-05-09 Michael Matz <matz@suse.de>
4723 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4724 host_extra_gcc_objs and host_xmake_file.
4725 (<*-*-linux*>): Don't overwrite host_xmake_file.
4726 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4727 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4728 (host_detect_local_cpu): Declare.
4729 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4730 * config/i386/i386.c (override_options): Handle -mtune=native
4732 * config/i386/x-i386: New file.
4733 * config/i386/driver-i386.c: New file.
4734 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4737 2006-05-09 Dirk Mueller <dmueller@suse.de>
4738 Richard Guenther <rguenther@suse.de>
4741 * fold-const.c (fold_read_from_constant_string): Relax check
4742 for matching types to matching modes.
4744 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4746 PR rtl-optimization/27335
4747 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4750 2006-05-08 Chao-ying Fu <fu@mips.com>
4751 Richard Sandiford <richard@codesourcery.com>
4753 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4754 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4755 * config/mips/mips.md (UNSPEC_SCC): New constant.
4756 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4757 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4758 (mips_emit_compare): Use it.
4759 (mips_expand_vcondv2sf): New function.
4761 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4763 Fix PR tree-optimization/27093
4764 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4765 renaming when they become not-used_alone.
4767 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4769 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4770 relocation and relocation stubs.
4772 2006-05-08 Eric Christopher <echristo@apple.com>
4774 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4777 2006-05-08 Jan Hubicka <jh@suse.cz>
4780 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4781 unused static functions are needed.
4783 2006-05-08 Roger Sayle <roger@eyesopen.com>
4786 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4787 of a reg_equiv_constant if the result is a legitimate constant.
4789 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4792 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4793 standard 80387 constants, raise the cost to prevent
4794 compress_float_constant() to generate load from memory.
4796 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4798 * config/arm/constraints.md (c): Fix a typo.
4800 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4803 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4806 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4808 (_mm_mwait): Likewise.
4810 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4812 (sse3_monitor): Make it 32bit only.
4813 (sse3_monitor64): New. 64bit monitor.
4815 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4818 * config/i386/i386.c (classify_argument): Skip fields with invalid
4821 2006-05-07 Richard Guenther <rguenther@suse.de>
4823 PR tree-optimization/27409
4824 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4825 Do not try to find zero-sized subvars.
4827 2006-05-07 Richard Guenther <rguenther@suse.de>
4829 PR tree-optimization/27136
4830 * tree-ssa-loop-niter.c (get_val_for): Correct function
4831 comment, assert requirements.
4832 (loop_niter_by_eval): Stop processing if the iterated
4833 value did not simplify.
4835 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4837 * opts.c (flag_see): remove its setting at -O3.
4839 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4841 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4842 * arm/constraints.md: New file.
4843 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4844 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4845 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4846 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4847 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4848 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4849 * arm.md: Include constraints.md.
4850 (thumb_movsi_insn): Use satisfies_constraint_J.
4851 (movhi, movqi): Use satisfies_constraint_I.
4853 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4855 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4856 for atmeg a645 device.
4858 2006-05-06 Richard Guenther <rguenther@suse.de>
4860 PR tree-optimization/27151
4861 * tree-vect-transform.c (vectorizable_condition): Punt on
4862 values that have a different type than the condition.
4864 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4867 * c-parser.c (c_parser_cast_expression): Only insert casts into
4868 hash table if pointer.
4869 * function.c (used_types_insert_helper): Rename from
4871 (used_types_insert): Call used_types_insert_helper.
4872 * function.h (used_types_insert): Accept only one argument.
4874 2006-05-05 David Edelsohn <edesohn@gnu.org>
4876 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4877 scratch with output modifier.
4879 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4882 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4883 with output modifier.
4885 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4888 * config/mips/mips.c (mips_symbolic_address_p): Return true
4889 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4890 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4892 2006-05-04 Richard Guenther <rguenther@suse.de>
4894 PR tree-optimization/14287
4895 PR tree-optimization/14844
4896 PR tree-optimization/19792
4897 PR tree-optimization/21608
4898 PR tree-optimization/27090
4899 * tree-ssa-pre.c (try_combine_conversion): New function.
4900 (compute_avail): After constructing the value-handle
4901 expression, use try_combine_conversion to combine NOP_EXPRs
4902 with previous value-handle expressions and use the result if it
4905 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4907 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4909 2006-05-04 Jan Hubicka <jh@suse.cz>
4912 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4914 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4916 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4917 that this only matches CONST_INTs. All users changed to VOIDmode
4920 * config/bfin/bfin.c: Include "optabs.h".
4921 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4923 (enum bfin_builtins): Add a number of fractional and vector builtins.
4924 (bfin_init_builtins): Likewise.
4925 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4926 (safe_vector_operand, bfin_expand_binop_builtin,
4927 bfin_expand_unop_builtin): New functions.
4928 (bfin_expand_builtin): Handle the new builtins.
4929 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4932 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4935 * Makefile.in (OBJS-common): Add see.o.
4936 (see.o): Add dependencies.
4937 * common.opt (fsee): New flag for the see optimization was added.
4938 * opts.c (flag_see): Initialized.
4939 * passes.c (init_optimization_passes, pass_see): New pass.
4940 * rtl.h (see_main): Declaration as extern.
4941 * timevar.def (TV_SEE): New.
4942 * tree-pass.h (pass_see): Declaration as extern.
4943 * invoke.texi (-fsee): Document.
4944 * recog.c (validate_simplify_insn): New function.
4945 * recog.h (validate_simplify_insn): Declaration as extern.
4946 * df-problems.c (df_chain_dump): Check for NULL.
4948 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4949 Daniel Berlin <dberlin@dberlin.org>
4951 * cfgrtl.c (insert_insn_bb_end_new): New function.
4952 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4954 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4956 * df.h (struct web_entry): Moved from web.c.
4957 (union_defs): Declaration as extern.
4958 (unionfind_root): Likewise.
4959 (unionfind_union): Likewise.
4960 * web.c (struct web_entry): Moved to df.h.
4961 (unionfind_root): Remove static declaration.
4962 (unionfind_union): Likewise.
4963 (union_defs): Likewise and generalize to use callback function.
4964 (web_main): Update arguments for union_defs function call.
4966 2006-05-04 Richard Guenther <rguenther@suse.de>
4968 PR tree-optimization/26447
4969 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4970 produce SSA_NAME copies before the store stmt to avoid
4971 breaking exception handling.
4973 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4976 * gimplify.c (omp_is_private): If var is shared in some outer context,
4977 return false instead of true. Stop searching on parallel context
4980 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4983 * coverage.c: Use get_gcov_unsigned_t() instead of
4984 unsigned_type_node all over.
4986 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4988 PR tree-optimization/27381
4989 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4990 maintain the same immediate_use links.
4991 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4992 node rather than segfaulting.
4994 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4997 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4998 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4999 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5001 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5003 Fix PR tree-optimization/26626
5004 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5006 * tree-ssa-operands.c (access_can_touch_variable): Allow
5007 typecasting through union pointers.
5009 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5012 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5013 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5014 to find if var will be a global variable even in the nested context.
5015 (omp_copy_decl): Only check for global variable at the end, it might
5016 be overridden in outer contexts.
5017 (scan_sharing_clauses): For global variables don't create a field.
5018 (lower_rec_input_clauses): Do nothing for global shared variables.
5019 Emit a barrier at the end of ILIST if there were any decls in both
5020 firstprivate and lastprivate clauses.
5021 (lower_send_clauses): Do nothing for global variables except for
5024 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5026 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5027 of the correct signedness is returned.
5029 2006-05-02 Jeff Law <law@redhat.com>
5031 PR tree-optimization/27364
5032 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5033 multiply expressions.
5035 2006-05-02 Tom Tromey <tromey@redhat.com>
5037 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5039 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5042 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5043 -mthumb -fPIC are used.
5045 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5046 Joshua Kinard <kumba@gentoo.org>
5049 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5050 with 64-bit pointers.
5052 2006-05-02 Paul Brook <paul@codesourcery.com>
5054 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5056 (create_fix_barrier): Check that a suitable barrier location is
5058 (arm_reorg): Include ftmp->address in allowable range of addresses.
5060 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5063 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5066 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5069 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5070 around RESULT_DECL for result passed by reference.
5071 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5072 * omp-low.c (use_pointer_for_field): Don't look at
5073 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5074 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5075 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5076 time or var for passing by reference for
5077 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5078 TREE_ADDRESSABLE variables when passing by reference.
5080 * omp-low.c (dump_omp_region): Fix output formatting.
5083 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5084 (expand_omp_parallel): Likewise.
5085 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5088 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5089 on statement list containing also constructors and destructors.
5090 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5093 * except.c (duplicate_eh_regions): Fix clearing of
5094 cfun->eh->region_array entries.
5096 2006-05-01 DJ Delorie <dj@redhat.com>
5098 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5100 (gcc_cv_objdump): Likewise.
5101 * configure: Regenerated.
5103 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5106 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5107 templates for case 3 and 4.
5109 2006-05-01 DJ Delorie <dj@redhat.com>
5111 * vec.c: Include bconfig.h when appropriate.
5112 * Makefile.in (build/vec.o): Adjust dependencies.
5113 * mkconfig.sh: Make sure config.h isn't used for build machine
5116 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5118 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5120 (mark_phi_for_rewrite): New function.
5121 (insert_phi_nodes_for, mark_use_interesting): Call
5122 mark_phi_for_rewrite.
5123 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5124 (update_ssa): Initialize and free phis_to_rewrite.
5126 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5128 PR rtl-optimization/27291
5129 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5130 folded to a constant.
5132 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5134 PR tree-optimization/27283
5135 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5136 not whole # of iteration descriptions.
5137 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5138 uses abnormal ssa name.
5139 (niter_for_single_dom_exit): Ditto.
5140 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5141 return just the number of iterations.
5143 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5145 PR tree-optimization/27144
5146 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5147 (record_estimate): Only record constant upper bound.
5148 (infer_loop_bounds_from_undefined): Call
5149 compute_estimated_nb_iterations just once.
5150 (proved_non_wrapping_p): Renamed to ...
5151 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5152 (convert_step_widening, scev_probably_wraps_p): Call
5153 n_of_executions_at_most instead of proved_non_wrapping_p.
5154 (substitute_in_loop_info): Do not replace values in bounds.
5155 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5158 2006-05-01 Richard Henderson <rth@redhat.com>
5161 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5162 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5165 2006-05-01 Roger Sayle <roger@eyesopen.com>
5167 * c-typeck.c (parser_build_binary_op): Don't call the function
5168 unsigned_conversion_warning to spot operand/result type overflow.
5169 (build_binary_op): Instead, call convert_and_check instead of
5170 convert to report the problem when the operands are promoted.
5171 * c-common.c (unsigned_conversion_warning): Make static.
5172 * c-common.h (unsigned_conversion_warning): Delete prototype.
5174 2006-05-01 Richard Guenther <rguenther@suse.de>
5176 PR tree-optimization/26726
5177 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5179 (find_interesting_uses_address): ... we work around here
5180 by folding INDIRECT_REFs in the substituted base.
5182 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5184 * omp-low.c (dump_omp_region): Add newlines.
5186 2006-04-30 Roger Sayle <roger@eyesopen.com>
5188 * common.opt (Woverflow): New command line option.
5189 * c-common.c (constant_expression_warning): Check warn_overflow.
5190 (overflow_waring): Pass OPT_Woverflow to warning.
5191 (unsigned_conversion_warning): Likewise.
5192 (convert_and_check): Likewise.
5193 * doc/invoke.texi: Document new command line option.
5195 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5197 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5198 TARGET_NO_FP_IN_TOC for section anchors.
5199 (optimization_options): Enable section anchors for all
5200 non-"Objective" languages.
5202 2006-04-28 Eric Christopher <echristo@apple.com>
5204 * config/darwin-c.c (darwin_ms_struct): Move this
5205 (darwin_set_default_type_attributes): and this...
5206 * config/darwin.c: ... here.
5207 * config/darwin.h (darwin_ms_struct): Declare.
5209 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5211 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5213 2006-04-28 Roger Sayle <roger@eyesopen.com>
5216 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5217 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5218 an unsigned HOST_WIDE_INT.
5219 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5221 (really_start_incremental_init): No need to call convert because
5222 bitsize_zero_node is already of type bitsizetype.
5223 (push_init_level): Extract the value of constructor_index as an
5224 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5225 (process_init_element): Likewise.
5227 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5229 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5230 value before passing to make_relative_prefix.
5232 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5235 * builtins.c (expand_builtin_memset): Expand val in original mode.
5237 2006-04-27 Eric Christopher <echristo@apple.com>
5239 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5240 with #ifndef/#endif.
5241 * config/darwin-c.c (darwin_ms_struct): New.
5242 (darwin_pragma_ms_struct): Ditto.
5243 (darwin_set_default_type_attributes): Ditto.
5244 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5245 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5246 Register ms_struct pragma.
5247 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5248 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5249 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5250 darwin_set_default_type_attributes if TARGET_MACHO.
5252 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5254 PR tree-optimization/26854
5255 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5256 * doc/tree-ssa.texi: Update immuse iterator documentation.
5257 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5258 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5259 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5260 first_safe_imm_use, next_safe_imm_use): Remove.
5261 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5262 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5263 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5264 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5265 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5266 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5267 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5268 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5269 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5270 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5271 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5272 (perfect_nestify): Use new iterator.
5273 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5275 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5276 (next_imm_name): New field in struct immediate_use_iterator_d.
5277 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5278 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5279 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5280 * tree-cfg.c (replace_uses_by): Use new iterator.
5281 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5282 * tree-ssa-operands.c (correct_use_link): Remove.
5283 (finalize_ssa_use_ops): No longer call correct_use_link.
5285 2006-04-27 Stuart Hastings <stuart@apple.com>
5287 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5288 * config/t-darwin (crt3.o): Use it.
5289 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5290 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5291 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5292 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5293 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5296 2006-04-27 Roger Sayle <roger@eyesopen.com>
5298 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5299 size, force the intermediate into a new pseudo rather instead of
5300 performing both a bitwise AND and a bitwise IOR in memory.
5302 2006-04-27 Richard Guenther <rguenther@suse.de>
5304 PR rtl-optimization/26685
5305 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5306 this one "max-flow-memory-locations".
5308 2006-04-27 Richard Guenther <rguenther@suse.de>
5310 PR tree-optimization/25148
5311 * tree-vrp.c (compare_values): Remove code dealing with
5312 comparisons against type min/max value. Honour overflow
5313 and negative constants in code dealing with comparisons
5314 of plus and minus expressions.
5315 (value_inside_range): Use fold_binary with LE_EXPR and
5316 GE_EXPR rather than compare_values.
5318 2006-04-27 Dirk Mueller <dmueller@suse.de>
5320 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5323 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5325 * basic-block.h (safe_insert_insn_on_edge): Removed.
5326 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5328 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5329 Paolo Bonzini <bonzini@gnu.org>
5332 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5333 (simplify_and_const_int): Same.
5335 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5337 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5339 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5342 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5343 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5344 cgraph_global_info_ready.
5347 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5350 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5351 either decl or init is error_mark_node.
5354 * tree-flow.h (struct omp_region): Add sched_kind.
5355 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5356 instead of extracting omp for data.
5357 (expand_omp_for): Save extracted sched_kind.
5359 2006-04-25 Roger Sayle <roger@eyesopen.com>
5361 * expmed.c (store_bit_field): Also check whether the bitsize is
5362 valid for the machine's "insv" instruction before moving the
5363 target into a pseudo for use with the insv.
5364 * config/i386/predicates.md (const8_operand): New predicate.
5365 * config/i386/i386.md (extv, extzv, insv): Use the new
5366 const8_operand predicate where appropriate.
5368 2006-04-25 DJ Delorie <dj@redhat.com>
5370 * doc/install.texi (Specific): Clarify that this is not a list of
5371 supported hosts or targets.
5373 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5375 PR rtl-optimization/26725
5376 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5377 block's BB_DIRTY flag.
5379 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5381 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5384 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5385 to print an integer.
5387 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5389 * varasm.c (align_variable): New function.
5390 (get_block_for_decl): Apply align_variable to DECL before
5391 calculating section information.
5392 (assemble_variable): Split out alignment computation.
5394 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5396 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5399 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5401 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5402 MODE_PARTIAL_INT mode.
5403 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5404 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5406 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5407 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5409 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5411 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5413 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5414 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5415 MACFLAG_IH): Likewise.
5416 (movstricthi_1): Renamed from "*movstricthi".
5417 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5418 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5419 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5420 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5421 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5422 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5423 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5424 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5425 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5426 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5427 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5428 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5429 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5430 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5431 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5433 * doc/rtl.texi (ss_ashift): Improve wording.
5435 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5437 * dwarf2out.c (verify_marks_clear): New.
5438 (prune_unused_types): Call verify_marks_clear initially, not
5441 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5443 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5444 * doc/rtl.texi: Document them.
5445 * simplify-rtx.c (simplify_unary_operation,
5446 simplify_binary_operation_1): Don't abort when we see them.
5448 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5451 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5452 * configure.ac: Completely disregard languages that are not
5454 * configure: Regenerated.
5456 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5457 Richard Guenther <rguenther@suse.de>
5459 PR tree-optimization/27236
5460 * tree-inline.c (copy_body_r): Make sure to copy
5461 TREE_THIS_VOLATILE flag.
5463 2006-04-24 Richard Guenther <rguenther@suse.de>
5466 * tree-complex.c (update_parameter_components): Don't handle
5467 unused parameters which have no default def.
5469 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5470 Richard Guenther <rguenther@suse.de>
5472 PR tree-optimization/27218
5473 * tree-inline.c (expand_call_inline): Strip useless type
5474 conversions for the return slot address.
5476 2006-04-24 Richard Guenther <rguenther@suse.de>
5478 * cfgloop.h (struct loops): Remove unused field array. Reorder
5480 (LOOP_PREFETCH): Remove.
5482 2006-04-24 Richard Guenther <rguenther@suse.de>
5484 PR tree-optimization/22525
5485 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5486 variable, adjust types of generated expressions.
5488 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5490 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5491 (tree-vect-patterns.o): Likewise.
5493 (cselib.o): Likewise.
5494 (loop-doloop.o): Likewise.
5495 (regclass.o): Likewise.
5496 (reload1.o): Likewise.
5497 (explow.o): Replace target.h with $(TARGET_H).
5498 (ipa-prop.o): Likewise.
5499 (ipa-cp.o): Likewise.
5500 (ipa-inline.o): Likewise.
5501 (reorg.o): Likewise.
5502 (reg-stack.o): Likewise.
5504 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5506 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5508 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5510 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5512 * configure.ac: Completely disregard languages that are not
5514 * configure: Regenerated.
5517 * c-common.h (c_build_bitfield_integer_type): Declare.
5518 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5519 * c-common.c (c_build_bitfield_integer_type): ... here.
5521 2006-04-23 Roger Sayle <roger@eyesopen.com>
5524 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5525 a SImode SUBREG of a floating point register after no_new_pseudos.
5527 2006-04-23 Roger Sayle <roger@eyesopen.com>
5529 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5530 identify potentially eliminable registers to additionally catch
5531 VIRTUAL_INCOMING_ARGS_REGNUM.
5532 (addsi3): Update the conditions on when to use addsi_small_int.
5534 2006-04-23 Roger Sayle <roger@eyesopen.com>
5537 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5538 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5539 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5541 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5543 * fold-const.c (range_predecessor): Use operand_equal_p
5544 as the predicate for equality.
5545 (range_successor): Likewise.
5547 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5550 * config/soft-fp/op-common.h: Fix a typo.
5552 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5555 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5556 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5558 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5560 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5562 * doc/tm.texi: Fix a typo.
5564 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5566 * dwarf2out.c (struct die_struct): Document that die_sib makes
5567 a circular linked list.
5568 (FOR_EACH_CHILD): New.
5569 (reverse_die_lists): Delete.
5570 (reverse_all_dies): Delete.
5571 (add_dwarf_attr): Correct documentation.
5572 (remove_child_with_prev): New.
5573 (remove_child_TAG): Update for change to die_struct, use
5574 remove_child_with_prev.
5575 (add_child_die): Update for change to die_struct.
5576 (splice_child_die): Use remove_child_with_prev and add_child_die.
5577 (print_die): Use FOR_EACH_CHILD.
5578 (die_checksum): Likewise.
5579 (assign_symbol_names): Likewise.
5580 (output_location_lists): Likewise.
5581 (build_abbrev_table): Likewise.
5582 (calc_die_sizes): Likewise.
5583 (mark_dies): Likewise.
5584 (unmark_dies): Likewise.
5585 (unmark_all_dies): Likewise.
5586 (output_die): Likewise.
5587 (prune_unused_types_mark): Likewise.
5588 (prune_unused_types_walk): Likewise.
5589 (same_die_p): Update for change to die_struct.
5590 (break_out_includes): Likewise.
5591 (prune_unused_types_prune): Likewise.
5592 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5593 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5595 (dwarf2out_finish): Don't call reverse_all_dies.
5597 2006-04-21 Eric Christopher <echristo@apple.com>
5599 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5600 in comments and function names.
5602 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5605 * c-typeck.c (digest_init): Robustify.
5607 * c-typeck.c (pop_init_level): Simplify.
5609 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5611 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5613 2006-04-21 Paul Brook <paul@codesourcery.com>
5615 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5616 hardware floating point.
5618 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5620 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5623 2006-04-21 Nick Clifton <nickc@redhat.com>
5625 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5628 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5631 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5632 C++ lang type in traceback table for Objective-C++.
5634 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5636 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5638 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5640 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5643 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5644 were errors. Remove check for erroneous objects.
5646 2006-04-20 Jeff Law <law@redhat.com>
5648 PR tree-optimization/26854
5649 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5650 checking for zero or one use.
5651 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5652 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5653 * tree-ssa-reassoc.c (negate_value): Similarly.
5654 (reassociate_bb): Similarly.
5656 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5658 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5659 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5660 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5662 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5664 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5665 fp regs if the last fp arg doesn't fit in regs.
5667 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5670 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5671 that the last insn has the REG_INC note.
5673 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5674 Nathan Sidwell <nathan@codesourcery.com>
5677 * stor-layout.c (update_alignment_for_field): Do not align
5679 (place_union_field): Place union field at the start of the union.
5680 (place_field): Move ERROR_MARK check later, and use the current
5681 allocation position to maintain monotonicity.
5683 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5685 * dominance.c: Include timevar.h.
5686 (calculate_dominance_info): Use TV_DOMINANCE.
5687 * timevar.def (TV_DOMINANCE): New timevar.
5688 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5690 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5692 PR rtl-optimization/14261
5693 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5694 move would be an INSV insn.
5695 (noce_process_if_block): Don't optimize if the destination is a
5696 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5698 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5700 * config/s390/s390.md: Add comments with the instructions emitted
5701 by an insn pattern if macros are used.
5703 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5705 PR rtl-optimization/26026
5706 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5707 is a known power of two shifted left a variable amount.
5709 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5711 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5712 to hash table twice when the debug_str section has SECTION_MERGE.
5714 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5716 * config/soft-fp: New directory. From glibc.
5717 * config/soft-fp/t-softfp: New.
5718 * config/soft-fp/README: New.
5719 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5720 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5721 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5722 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5723 * config.gcc: Use rs6000/t-fprules-fpbit or
5724 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5726 * config/rs6000/sfp-machine.h: New. Based on glibc.
5727 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5729 * config/rs6000/t-fprules: Remove fp-bit rules.
5730 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5731 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5732 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5733 (softfp_wrap_start, softfp_wrap_end): New.
5735 2006-04-18 DJ Delorie <dj@redhat.com>
5737 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5739 2006-04-18 Devang Patel <dpatel@apple.com>
5741 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5743 2006-04-18 Nick Clifton <nickc@redhat.com>
5745 * config/sh/t-symbian: Add rule to build sh-c.o
5746 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5747 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5748 (sh_symbian_encode_section_info): Likewise.
5750 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5752 * builtins.c (expand_builtin_strcmp): Cover label definition of
5753 do_libcall with HAVE_cmpstrnsi.
5755 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5757 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5759 * function.h (temp_slot_p): New.
5760 (function): Change the type of x_used_temp_slots to
5761 VEC(temp_slot_p,gc) *.
5763 2006-04-18 Nick Clifton <nickc@redhat.com>
5765 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5766 flag_strength_reduce.
5768 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5770 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5774 Partial revert of revision 112637
5775 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5776 Dale Johannesen <dalej@apple.com>
5779 * regclass.c (struct reg_pref): Update documentation.
5780 (regclass): Set prefclass to NO_REGS if memory is the best option.
5781 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5783 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5785 PR tree-optimization/26821
5786 * tree-ssa-math-opts.c (get_constant_one): New.
5787 (insert_reciprocals): Use it.
5789 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5791 * dwarf2out.c (free_AT): Delete.
5792 (remove_AT): Update string ref counts.
5793 (remove_child_TAG): Don't call free_die.
5795 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5796 or DW_TAG_GNU_EINCL.
5797 (prune_unused_types_walk_attribs): Reset string refcounts.
5798 (prune_unused_types_update_strings): New.
5799 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5800 call free_die. Do call prune_unused_types_update_strings.
5801 (prune_unused_types): Empty debug_str_hash.
5803 2006-04-17 Roger Sayle <roger@eyesopen.com>
5805 * expr.c (expand_assignment): Optimize away no-op moves where the
5806 source and destination are equal and have no side-effects.
5808 2006-04-17 Richard Guenther <rguenther@suse.de>
5811 * reload.c (push_reload): Guard calls to get_secondary_mem
5814 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5816 * alias.c (reg_base_value, old_reg_base_value): Change the
5817 type to VEC(rtx,gc) *.
5818 (REG_BASE_VALUE, find_base_value, record_set,
5819 init_alias_analysis): Use VEC instead of VARRAY.
5821 * alias.c (alias_sets): Change the type to
5822 VEC(alias_set_entry,gc) *.
5823 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5824 VEC instead of VARRAY.
5825 (last_alias_set): Remove.
5827 * cgraph.h (cgraph_edge_p): New.
5828 Update the prototype of cgraph_function_versioning.
5829 * cgraphunit.c (cgraph_copy_node_for_versioning,
5830 cgraph_function_versioning): Use VEC instead of VARRAY.
5831 * ipa-cp.c (ipcp_insert_stage): Likewise.
5833 2006-04-16 Roger Sayle <roger@eyesopen.com>
5836 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5837 "A op B" or "A op C", we may need to convert A to the type of B and C.
5839 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5841 * target.h (struct gcc_target): Add mode_rep_extended.
5842 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5843 (init_num_sign_bit_copies_in_rep): Initialize it using
5845 (truncate_to_mode): Use it.
5846 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5847 * targhooks.h (default_mode_rep_extended): Declare it.
5848 * targhooks.c (default_mode_rep_extended): Define it.
5849 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5850 default_mode_rep_extended.
5851 (TARGET_INITIALIZER): Include it.
5852 * doc/tm.texi (Misc): Document it.
5853 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5854 (mips_truncated_to_mode): New function.
5856 2006-04-16 Roger Sayle <roger@eyesopen.com>
5859 * expr.c (compress_float_constant): Copy the narrow constant into
5860 a new pseudo before extending it to its final width.
5862 2006-04-16 Roger Sayle <roger@eyesopen.com>
5863 Andrew Pinski <pinskia@gcc.gnu.org>
5864 Dale Johannesen <dalej@apple.com>
5867 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5868 special case code to implement V8HImode and V16QImode with SSE2.
5870 2006-04-15 Roger Sayle <roger@eyesopen.com>
5872 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5873 trees are constructed with a suitable tree type.
5875 2006-04-15 Roger Sayle <roger@eyesopen.com>
5877 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5878 (integer_onep): Likewise.
5879 (integer_all_onesp): Likewise.
5880 (integer_pow2p): Likewise.
5881 (integer_nonzerop): Likewise.
5882 (real_zerop): Likewise.
5883 (real_onep): Likewise.
5884 (real_twop): Likewise.
5885 (real_minus_onep): Likewise.
5886 (int_size_in_bytes): Likewise.
5887 (host_integerp): Likewise.
5889 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5891 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5892 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5893 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5895 * tree-ssa-structalias.h (alias_info): Remove num_references.
5897 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5899 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5900 (output_bvb patterns): Likewise.
5901 * pa.c (output_bb): Use 'bb' insn for long branch case.
5902 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5903 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5904 1. Correct length operand for alternatives 1 and 2.
5905 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5906 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5908 2006-04-14 Roger Sayle <roger@eyesopen.com>
5910 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5911 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5912 were accidentally reverted by r112959.
5914 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5917 * except.h (eh_region_outermost): New prototype.
5918 * except.c (eh_region_outermost): New function.
5919 * tree-cfg.c (find_outermost_region_in_block): Use it.
5921 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5923 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5925 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5926 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5927 (init_reload, reload): Use VEC instead of VARRAY.
5928 * reload.h: Update the prototype for
5929 reg_equiv_memory_loc_varray.
5931 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5932 Eric Botcazou <ebotcazou@libertysurf.fr>
5934 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5937 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5940 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5941 to expand fallback builtin function call.
5943 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5946 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5947 and emit libcall here in case the builtin fails.
5948 (expand_builtin_strcmp): Always emit the libcall here on failure.
5950 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5952 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5953 * flow.c (reg_n_info): Change the type to
5954 VEC(reg_info_p,heap) *.
5955 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5957 * regs.h (reg_info_p): New.
5958 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5959 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5960 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5963 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5965 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5967 * params.h (MAX_SCHED_READY_INSNS): New macro.
5968 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5969 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5970 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5971 the ready list for 1 cycle during the first scheduling pass.
5972 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5974 2006-04-13 Richard Henderson <rth@redhat.com>
5977 * gimple-low.c (lower_omp_directive): Remove dead code.
5978 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5979 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5980 * omp-low.c (struct omp_region): Move to tree-flow.h.
5981 (root_omp_region): Export.
5982 (omp_regions, lookup_omp_region): Remove.
5983 (determine_parallel_type): Update for struct omp_region changes.
5984 (dump_omp_region): Dump regions with block numbers.
5985 (new_omp_region): Take type and block instead of stmt; malloc
5987 (free_omp_region_1, free_omp_regions): New.
5988 (expand_parallel_call): Take entry_stmt as argument; update for
5989 changes to omp_region.
5990 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5991 (remove_exit_barriers): New.
5992 (expand_omp_parallel): Update for struct omp_region changes.
5993 (expand_omp_synch): Likewise.
5994 (expand_omp): Likewise.
5995 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5996 (expand_omp_for_static_chunk): Likewise.
5997 (expand_omp_for): Likewise.
5998 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5999 (expand_omp_sections): Similarly, with GOMP_sections_end.
6000 (expand_omp_single): New.
6001 (build_omp_regions_1): Update for OMP_CONTINUE.
6002 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6003 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6004 OMP_SECTIONS_SECTIONS.
6005 (lower_omp_single_simple): Don't emit barrier here.
6006 (lower_omp_single_copy): Likewise.
6007 (lower_omp_single): Fix bindings, and lower to straightline now.
6008 (lower_omp_master, lower_omp_ordered): Likewise.
6009 (lower_omp_critical): Likewise.
6010 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6011 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6012 omp edges, free it afterward.
6013 (make_omp_sections_edges): Remove.
6014 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6015 (move_stmt_r): Handle OMP_CONTINUE.
6016 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6017 statement pointers to basic blocks. Add type member.
6018 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6019 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6020 * tree-inline.c (estimate_num_insns_1): Likewise.
6021 * tree-pretty-print.c (dump_generic_node): Likewise.
6022 * tree-ssa-operands.c (get_expr_operands): Likewise.
6023 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6024 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6025 (OMP_CONTINUE): New.
6026 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6027 (OMP_SECTIONS_SECTIONS): Remove.
6028 (OMP_SECTION_LAST): New.
6029 (OMP_RETURN_NOWAIT): New.
6031 2006-04-13 Roger Sayle <roger@eyesopen.com>
6033 * fold-const.c (native_encode_vector, native_interpret_real):
6034 Correct obvious mistakes in the previous check-in.
6036 2006-04-13 Roger Sayle <roger@eyesopen.com>
6038 * fold-const.c (native_encode_expr): New function to encode
6039 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6040 or VECTOR_CST into a specified buffer.
6041 (native_encode_int): New function.
6042 (native_encode_real): New function.
6043 (native_encode_complex): New function.
6044 (native_encode_vector): New function.
6045 (native_interpret_expr): Inverse of native_encode_expr to convert
6046 a target representation into an INTEGER_CST, REAL_CST etc...
6047 (native_interpret_int): New function.
6048 (native_interpret_real): New function.
6049 (native_interpret_complex): New function.
6050 (native_interpret_vector): New function.
6051 (fold_view_convert_expr): New function to constant fold/evaluate
6052 a VIEW_CONVERT_EXPR of a suitable constant expression.
6053 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6054 Change call of build1 to fold_build1 when constructing a
6057 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6058 Ulrich Weigand <uweigand@de.ibm.com>
6061 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6064 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6067 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6068 optimize to lo_sum for DFmode if !TARGET_FPRS.
6070 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6072 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6073 delete_alias_info, compute_flow_sensitive_aliasing,
6074 group_aliases): Use VEC instead of VARRAY.
6075 * tree-ssa-structalias.c (update_alias_info): Likewise.
6076 * tree-ssa-structalias.h (alias_info): Change the type of
6077 processed_ptrs to VEC(tree,heap) *.
6079 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6082 * config/sh/lib1funcs.h: New file, broken out of:
6083 * config/sh/lib1funcs.asm.
6084 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6086 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6087 * config/sh/lib1funcs-Os-4-200.asm: New file.
6088 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6089 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6090 (EXTRA_MULTILIB_PARTS): Include it.
6091 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6092 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6093 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6094 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6097 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6099 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6100 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6101 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6103 * tree-ssa-live.h: Include vecprim.h.
6104 (tree_partition_associator_d): Change the type of
6105 first_partition to VEC(int,heap) *.
6106 (tpa_first_partition): Use VEC instead of VARRAY.
6108 * Makefile.in (GTFILES): Move functions.h after tree.h.
6109 * function.c (reset_block_changes, record_block_change,
6110 check_block_change, free_block_changes): Use VEC instead of
6112 * function.h (function): Change the type of
6113 ib_boundaries_block to VEC(tree,gc) *.
6114 * tree-inline.c (copy_cfg_body): Initialize
6115 ib_boundaries_block to NULL instead of (varray_type) 0.
6117 2006-04-12 Roger Sayle <roger@eyesopen.com>
6119 * expr.c (emit_group_store): Correct operand order in call to
6120 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6121 a SUBREG_BYTE of zero.
6123 2006-04-12 Richard Guenther <rguenther@suse.de>
6125 * profile.c (compute_branch_probabilities): Remove code
6126 encapsulated in !ir_type (), which are remanents of the
6127 removed RTL profiling code.
6128 * rtl-profile.c: Remove.
6130 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6132 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6133 magic NULL_RTX comment.
6134 (function_arg): Store entire fp arg to mem if any part should go
6136 (rs6000_arg_partial_bytes): Adjust for above change.
6138 2006-04-11 Roger Sayle <roger@eyesopen.com>
6140 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6141 if it hasn't been initialized by dwarf2out_init.
6143 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6145 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6146 symbolic constants in branch patterns.
6148 2006-04-11 Roger Sayle <roger@eyesopen.com>
6150 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6152 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6154 PR rtl-optimization/27073
6155 * gcse.c (try_replace_reg): Revert last change. Continue to search
6156 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6159 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6161 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6162 aggregate types other than record and union types.
6163 (function_arg): Likewise.
6164 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6166 (function_value): In 64-bit mode, return objects that require it
6169 2006-04-11 Roger Sayle <roger@eyesopen.com>
6171 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6173 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6175 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6177 2006-04-03 Jeff Law <law@redhat.com>
6180 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6181 alias information too.
6183 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6185 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6187 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6190 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6191 (premark_used_types_helper): New.
6192 (premark_used_types): New.
6193 (gen_subprogram_die): Call premark_used_types.
6194 (prune_unused_types_walk): Do not prune perennial dies.
6195 * function.c (used_types_insert): New.
6196 * function.h (struct function): Add used_types_hash field.
6197 (used_types_insert): Add prototype.
6198 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6199 * c-parser.c (c_parser_cast_expression): Save casted types in used
6202 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6205 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6206 rs6000_explicit_options.float_gprs.
6208 2006-04-10 Roger Sayle <roger@eyesopen.com>
6210 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6211 from ix86_expand_vector_init_low_nonzero. Take an additional
6212 one_var argument indicating which element is non-zero. Support
6213 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6214 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6215 with one_var instead of ix86_expand_vector_init_low_nonzero.
6217 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6219 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6220 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6221 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6222 build/genextract.o): Depend on vecprim.h.
6223 * cfglayout.c, df-problems.c, function.c, genextract.c,
6224 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6225 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6229 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6231 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6232 Declare VECs of this type.
6233 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6234 (remove_children): Delete.
6235 (add_dwarf_attr): Use VEC routines.
6236 (add_AT_flag): Update for changes to add_dwarf_attr.
6237 (add_AT_int): Likewise.
6238 (add_AT_unsigned): Likewise.
6239 (add_AT_long_long): Likewise.
6240 (add_AT_vec): Likewise.
6241 (add_AT_string): Likewise.
6242 (add_AT_die_ref): Likewise.
6243 (add_AT_fde_ref): Likewise.
6244 (add_AT_loc): Likewise.
6245 (add_AT_loc_list): Likewise.
6246 (add_AT_addr): Likewise.
6247 (add_AT_lbl_id): Likewise.
6248 (add_AT_lineptr): Likewise.
6249 (add_AT_macptr): Likewise.
6250 (add_AT_offset): Likewise.
6251 (add_AT_range_list): Likewise.
6252 (get_AT): Use VEC_iterate.
6253 (remove_AT): Use VEC_ordered_remove.
6254 (free_die): Fold remove_children into here; have it use VEC_iterate.
6255 (print_die): Use VEC_iterate on attrs.
6256 (reverse_die_lists): Don't reverse attr lists.
6257 (die_checksum): Use VEC_iterate on attrs.
6258 (same_die_p): Likewise.
6259 (output_location_lists): Likewise.
6260 (build_abbrev_table): Likewise.
6261 (size_of_die): Likewise.
6262 (unmark_all_dies): Likewise.
6263 (output_abbrev_section): Likewise.
6264 (output_die): Likewise.
6265 (prune_unused_types_walk_attribs): Likewise.
6267 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6269 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6271 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6274 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6276 2006-04-09 Roger Sayle <roger@eyesopen.com>
6278 * expr.c (store_constructor): Don't bother clearing target if
6279 we're about to assign a vector to it using vec_init_optab.
6281 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6283 * tree-ssa-alias.c (lhs_may_store_to): New function.
6284 (recalculate_used_alone): Handle LHS of calls.
6286 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6290 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6291 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6292 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6293 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6294 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6295 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6296 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6297 stubs. Add ".align 8" directives before all ".dword" directives.
6298 (GTHREAD_USE_WEAK): Revise comment.
6299 (TARGET_ATTRIBUTE_WEAK): Define.
6300 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6301 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6302 * stublib.c: New file.
6307 * pa.md (cbranch patterns): Revise arguments used in calls to
6308 output_cbranch, output_bb and output_bvd. Add long branch length
6310 (fbranch patterns): Handle long branches.
6311 (jump): Revise length check. Revise arguments for output_lbranch call.
6312 Add long branch length attributes.
6313 (decrement_and_branch_until_zero): Add long branch length attributes.
6314 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6315 Likewise. Revise arguments for output_parallel_addb and
6316 output_parallel_movb calls.
6317 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6318 output_parallel_movb and output_parallel_addb): Update prototypes.
6319 * pa.c (output_cbranch): Revise arguments. Correct handling of
6320 nullification in long branches.
6321 (output_lbranch): Add new argument to control extraction of delay
6323 (output_bb): Handle long branches.
6324 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6325 output_parallel_addb): Likewise.
6327 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6329 PR rtl-optimization/27073
6330 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6333 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6335 * tree.h (tree_memory_tag): Add old_used_alone.
6336 (SMT_OLD_USED_ALONE): New macro.
6337 * tree-ssa-alias.c (recalculate_used_alone): Stop
6338 marking things for renaming unnecessarily.
6340 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6342 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6343 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6344 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6345 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6346 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6347 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6348 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6349 spelling convensions.
6350 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6351 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6352 typos. Follow spelling conventions.
6354 2006-04-07 DJ Delorie <dj@redhat.com>
6356 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6357 passed on the stack.
6358 (m32c_init_cumulative_args): When a function returns a structure,
6359 always pass the pointer to that return area on the stack.
6360 (m32c_function_arg_advance): Don't increment the parameter number
6361 if we're processing the returned structure pointer.
6362 (pushm_info): Reverse order of registers.
6364 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6366 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6367 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6368 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6369 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6371 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6372 chrec_fold_multiply): Same.
6373 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6374 force_expr_to_var_cost): Same.
6375 * tree-mudflap.c (mf_xform_derefs_1): Same.
6376 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6378 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6380 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6381 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6384 2006-04-07 Jan Hubicka <jh@suse.cz>
6386 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6388 2006-04-07 Richard Guenther <rguenther@suse.de>
6390 PR tree-optimization/26135
6391 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6392 loads for store copy-prop.
6393 (copy_prop_visit_stmt): Likewise.
6395 2006-04-05 Robert Millan <robertmh@gnu.org>
6397 * config/i386/linux.h: Add a comment to mark macros that are
6398 being overriden in config/k*bsd-gnu.h.
6399 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6401 * config/knetbsd-gnu.h: Ditto.
6403 2006-04-06 Jan Hubicka <jh@suse.cz>
6407 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6410 2006-04-06 Mike Stump <mrs@apple.com>
6412 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6413 for HAVE_nonlocal_goto to be consistent.
6414 (expand_builtin_nonlocal_goto): Likewise.
6415 (expand_builtin_strcmp): Use #ifdef instead of #if
6416 for HAVE_cmpstrnsi to be consistent.
6418 2006-04-05 DJ Delorie <dj@redhat.com>
6420 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6423 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6425 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6426 got-relative addressing for anything but SImode.
6428 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6429 even if the calling function doesn't modify them.
6431 2006-04-05 Richard Guenther <rguenther@suse.de>
6433 PR tree-optimization/26919
6434 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6435 to cgraph_estimate_size_after_inlining.
6437 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6439 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6441 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6443 PR tree-optimization/26996
6444 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6445 VECTOR_TYPE variables.
6447 2006-04-05 Richard Guenther <rguenther@suse.de>
6449 PR tree-optimization/26763
6450 * fold-const.c (fold_comparison): Move folding of
6451 PTR + CST CMP PTR + CST ...
6452 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6454 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6456 * doc/install.texi (Prerequisites): Refine some wording on
6457 bootstrapping and ksh.
6458 Move the version numbers of DejaGnu here from the testing section
6459 and fix casing of names.
6460 Fix markup and clarify wording for autogen requirements.
6461 Refer to GCJ instead of just java.
6462 Refer to SVN instead of CVS.
6463 Describe diffutils as useful instead of necessary.
6464 (Downloading the source): Refer to SVN instead of CVS.
6465 Adjust a link to our web site accordingly.
6466 (Configuration): Fix casing of Bison.
6467 (Building): Refer to SVN instead of CVS.
6468 Fix a sentence on the use of Bison and remove duplicate (and
6469 incorrect) version number of Bison requirement.
6470 Remove one redundant list of packages needed for building.
6471 (Specific): Avoid reference to CVS.
6473 2006-04-04 Eric Christopher <echristo@apple.com>
6475 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6476 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6477 (rs6000_handle_struct_attribute): New.
6478 (rs6000_ms_bitfield_layout_p): Ditto.
6480 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6482 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6483 NULL for dso parameter to atexit_common.
6485 2006-04-04 Eric Christopher <echristo@apple.com>
6487 * config/i386/i386.c (machopic_output_stub): Output \t
6488 between instructions and operands.
6490 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6492 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6493 satisfies_constraint_[IL] to explicit tests on value.
6495 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6497 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6498 set_nb_iterations_in_loop): Use build_int_cst instead of
6500 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6501 build_int_cst instead of convert.
6503 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6505 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6506 new value 2 for incoming.
6507 * function.c (expand_function_start): Call struct_value_rtx
6509 * config/sparc/sparc.md: Comment updated_return.
6510 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6511 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6512 struct return if sparc_std_struct_return and incoming is 2.
6513 (print_operand): Do not adjust return if
6514 sparc_std_struct_return.
6516 2006-04-04 Roger Sayle <roger@eyesopen.com>
6518 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6519 convert in the middle-end.
6520 * expr.c (store_expr, store_constructor, get_inner_reference,
6521 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6523 * tree.c (build_range_type): Likewise.
6525 2006-04-04 Tom Tromey <tromey@redhat.com>
6527 * doc/install.texi (Prerequisites): Mention jar.
6529 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6531 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6534 2006-04-04 Matthias Klose <doko@debian.org>
6536 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6540 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6543 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6545 * doc/extend.texi (Function Attributes): Rewrite visibility
6546 attribute documentation.
6547 * doc/invoke.texi (C++ Dialect Options): Rewrite
6548 -fvisibility-inlines-hidden documentation to describe something
6549 entirely different, although in practise compatible.
6550 (Code Gen Options): Warn about system headers in -fvisibility=
6553 * doc/extend.texi (Other Builtins): Document that
6554 __builtin_nan is a compile-time constant only when its argument
6557 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6559 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6560 trying to remove TRUNCATE check if all bits outside the new mode
6561 are identical to the sign bit.
6563 2006-04-03 Jeff Law <law@redhat.com>
6565 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6566 and operand scanning in some common cases.
6568 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6569 Dale Johannesen <dalej@apple.com>
6572 * regclass.c (struct reg_pref): Update documentation.
6573 (regclass): Set prefclass to NO_REGS if memory is the best option.
6574 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6575 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6576 into account. For non-registers, equate an empty preferred
6577 reload class to a `!' in the constraint; move the if clause to
6578 do so after those that reject the insn.
6579 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6581 (find_dummy_reload): Likewise.
6582 * doc/tm.texi (Register Classes): Document what it means
6583 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6584 * config/i386/i386.c (ix86_preferred_reload_class): Force
6585 using SSE registers (and return NO_REGS for floating-point
6586 constants) if math is done with SSE.
6587 (ix86_preferred_output_reload_class): New.
6588 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6589 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6590 * config/i386/i386.md: Remove # register preferences.
6592 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6595 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6596 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6597 the type of nb_iter.
6598 (instantiate_parameters_1): Convert the operands before calling
6599 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6600 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6602 2006-04-02 Roger Sayle <roger@eyesopen.com>
6604 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6605 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6607 * dojump.c (do_jump): Likewise.
6608 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6609 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6610 gimplify_boolean_expr): Likewise.
6611 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6612 * varasm.c (array_size_for_constructor): Likewise.
6613 * tree-object-size.c (compute_object_offset): Likewise.
6615 2006-04-02 Roger Sayle <roger@eyesopen.com>
6618 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6619 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6621 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6623 PR tree-optimization/26939
6624 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6626 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6628 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6629 at_stmt. Convert the type of operands before calling
6630 build_polynomial_chrec.
6631 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6633 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6634 (instantiate_parameters_1): Convert the type of operands before calling
6635 build_polynomial_chrec.
6636 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6637 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6638 reset_evolution_in_loop): Insert asserts to check the types of the
6640 (chrec_type): Moved...
6641 (eq_evolutions_p): Use operand_equal_p.
6642 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6643 the types of the operands.
6644 (chrec_type): ...here.
6645 * tree-data-ref.c (create_data_ref): Convert the operands before
6646 calling chrec_replace_initial_condition.
6647 (same_access_functions, analyze_subscript_affine_affine,
6648 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6649 (compute_subscript_distance, analyze_ziv_subscript,
6650 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6651 analyze_miv_subscript): Convert the operands before calling
6652 chrec_fold_minus or chrec_fold_plus.
6654 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6656 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6657 the dependence_relations vector.
6658 (compute_data_dependences_for_loop): Adjust call to
6659 compute_all_dependences.
6661 2006-04-01 Roger Sayle <roger@eyesopen.com>
6662 Richard Henderson <rth@redhat.com>
6664 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6665 gimple_boolify on the condition before calling gimplify_expr.
6667 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6669 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6670 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6671 the frame size. Update to use the new macros.
6672 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6673 * config/xtensa/ieee754-df.S: Likewise.
6675 2006-03-31 Richard Henderson <rth@redhat.com>
6677 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6678 (make_edges): ... here. Control fallthru creation with a local
6679 variable. Do not play with fake edges.
6680 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6681 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6684 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6686 * dwarf2.h (DW64_CIE_ID): Define.
6687 * dwarf2out.c (DWARF_CIE_ID): Define.
6688 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6689 length header. Use DWARF_CIE_ID.
6690 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6691 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6693 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6695 * config/sh/linux-atomic.asm: New file.
6696 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6698 2006-03-31 DJ Delorie <dj@redhat.com>
6700 * config/m32c/cond.md: Set condition flags properly throughout.
6701 * config/m32c/minmax.md: Likewise.
6702 * config/m32c/prologue.md: Likewise.
6703 * config/m32c/bitops.md: Likewise.
6704 * config/m32c/muldiv.md: Likewise.
6705 * config/m32c/mov.md: Likewise.
6706 * config/m32c/addsub.md: Likewise.
6707 * config/m32c/m32c.md: Likewise.
6708 * config/m32c/jump.md: Likewise.
6709 * config/m32c/shift.md: Likewise.
6711 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6712 conditionally output the pattern for this.
6713 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6714 (m32c_compare_redundant): New.
6715 (m32c_output_compare): New.
6716 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6718 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6719 dest, not src. Allow other 4-byte modes.
6721 2006-03-30 Denis Chertykov <denisc@overta.ru>
6723 * doc/md.texi: Refer to avr/constraints.md instead of
6726 2006-03-30 Roger Sayle <roger@eyesopen.com>
6728 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6729 signed vs. unsigned comparison failures on some hosts.
6731 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6734 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6735 change to FLOAT_REGS.
6737 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6738 (rs6000_override_options): Use it.
6739 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6740 only for -mabi=spe/no-spe and -mabi=altivec.
6742 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6744 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6747 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6749 * Makefile.in: Rename docdir to gcc_docdir.
6751 2006-03-30 Roger Sayle <roger@eyesopen.com>
6754 * expr.c (emit_group_store): Optimize group stores into a pseudo
6755 register by using a paradoxical subreg to initialize the destination
6756 if the first or last member of the group specifies a "low part".
6758 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6761 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6762 * target.h (struct gcc_target.speculate_insn): Change type of the
6763 second parameter to 'int'.
6764 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6765 the second operand of the DEPS_LIST.
6766 (copy_DEPS_LIST_list): Update reference to the second operand of the
6768 * rtl.h (alloc_DEPS_LIST): Update signature.
6769 * sched-int.h (ds_t): Change typedef to 'int'.
6770 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6772 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6774 * haifa-sched.c (try_ready): Change condition to restore
6775 non-speculative pattern of the instruction.
6776 (process_insn_depend_be_in_spec): Code to keep probability of the
6777 speculative dependence non-decreasing.
6779 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6781 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6782 (single_move_for_movmem): ... this. Also change all uses.
6783 (bfin_expand_strmov): Renamed to...
6784 (bfin_expand_movmem): ... this. Also change all uses.
6785 * config/bfin/bfin.md (movstrsi): Renamed to...
6786 (movstrsi): ...this.
6788 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6790 PR tree-optimization/26830
6792 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6793 (copy_prop_visit_stmt): Remove write-only variable ann.
6794 (init_copy_prop): Check variable loop depth here. Do not simulate
6795 memory-tag and virtual operand PHIs except for store copy prop.
6797 2006-03-30 Richard Guenther <rguenther@suse.de>
6799 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6800 variants with double arguments.
6802 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6804 * genpreds.c (write_tm_constrs_h): Delete variable p.
6805 * genconditions.c (write_header): Add tm-constrs.h to included
6807 * genpeep.c (main): Add toplev.h to included headers.
6808 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6809 (build/genpeep.o): Add toplev.h dependency.
6810 * config/rs6000/constraints.md: Add "W" constraint.
6812 2006-03-29 Roger Sayle <roger@eyesopen.com>
6814 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6815 sizes by correctly testing whether the size fits a host integer.
6816 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6817 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6818 SImode range for the default sizetype and bitsizetype.
6820 2006-03-29 Roger Sayle <roger@eyesopen.com>
6822 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6823 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6824 quickly if the argument is already of the correct type.
6825 Call fold_build1 instead of build1. Tidy up blank lines.
6827 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6829 * genemit.c (main): Add tm-constrs.h to included headers.
6830 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6831 * genpeep.c (main): Add tm-constrs.h to included headers.
6832 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6833 (write_tm_constrs_h): this and write complete file.
6834 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6835 (write_insn_preds_c): Add tm-constrs.h to included headers.
6836 (gen_constrs): New variable.
6837 (parse_option): Parse "-c".
6838 (main): Invoke write_tm_constrs_h.
6839 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6840 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6841 (object_out_file): Add tm-constrs.h dependency.
6842 (insn-emit.o): Same.
6843 (insn-output.o): Same.
6844 (insn-peep.o): Same.
6845 (insn-preds.o): Same.
6846 (insn-recog.o): Same.
6847 (tm-constsr.h): New target.
6848 (s-constrs-h): New target.
6850 * config/rs6000/constraints.md: New file.
6851 * config/rs6000/rs6000.c: Include tm-constrs.h.
6852 (num_insn_constant_wide): Convert to satisfies_constraint.
6853 (rs6000_rtx_costs): Convert to satisfies_constraint.
6854 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6855 (CONST_OK_FOR_LETTER_P): Delete.
6856 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6857 (EXTRA_CONSTRAINT): Delete.
6858 (EXTRA_MEMORY_CONSTRAINT): Delete.
6859 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6860 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6861 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6862 satisfies_constraint.
6864 * config/i386/i386.c: Include tm-constrs.h.
6866 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6868 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6869 * tree-data-ref.c (find_data_references_in_loop,
6870 compute_data_dependences_for_loop): Use pointers to VEC.
6871 (analyze_all_data_dependences): Adjust calls.
6872 * tree-data-ref.h (find_data_references_in_loop,
6873 compute_data_dependences_for_loop): Adjust declarations.
6874 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6875 compute_data_dependences_for_loop.
6877 2006-03-29 Paul Brook <paul@codesourcery.com>
6879 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6882 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6884 PR tree-optimization/26859
6885 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6887 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6888 for the step after fold_convert.
6890 2006-03-29 Paul Brook <paul@codesourcery.com>
6892 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6893 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6895 2006-03-29 Paul Brook <paul@codesourcery.com>
6898 * targhooks.c (default_narrow_bitfield): New fuction.
6899 * targhooks.h (default_narrow_bitfield): add prototype.
6900 * target.h (gcc_target): Add narrow_volatile_bitfield.
6901 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6902 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6903 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6904 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6906 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6908 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6910 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6911 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6912 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6913 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6914 (s390_function_arg_float): Allow SDmode and DDmode values to be
6915 passed in floating point registers.
6916 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6917 check with SCALAR_FLOAT_MODE_P.
6918 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6920 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6922 PR tree-optimization/25985
6923 * tree-ssa-loop-niter.c (number_of_iterations_le,
6924 number_of_iterations_ne): Make comments more precise.
6925 (number_of_iterations_cond): Add only_exit argument. Use the
6926 fact that signed variables do not overflow only when only_exit
6928 (loop_only_exit_p): New.
6929 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6930 number_of_iterations_cond.
6932 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6934 PR tree-optimization/26643
6935 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6938 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6940 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6941 (divsi3_i4_int): Likewise.
6943 2006-03-28 Roger Sayle <roger@eyesopen.com>
6945 * expr.c (emit_group_store): Only create a new pseudo reg if the
6946 quantity it needs to hold isn't already a suitable pseudo.
6948 2006-03-28 Jeff Law <law@redhat.com>
6950 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6951 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6953 2006-03-28 Roger Sayle <roger@eyesopen.com>
6955 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6956 the equivalent ~X & Y, and the symmetry related transformations.
6957 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6958 ~X & Y, and symmetry related transforms.
6960 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6962 Revert my 2006-03-27 patches.
6964 2006-03-28 Roger Sayle <roger@eyesopen.com>
6966 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6967 ~(T1)X, when T1 and T2 are integer types of the same precision
6968 and (T2)X isn't an extension.
6970 2006-03-28 Jeff Law <law@redhat.com>
6972 PR tree-optimization/26796
6973 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6974 need EH edge cleanups rather than purging them immediately.
6975 (eliminate_degenerate_phis): Handle queued EH cleanups.
6977 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6979 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6982 2006-03-27 Roger Sayle <roger@eyesopen.com>
6985 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6986 cast BIT_NOT_EXPR operand to the correct type.
6988 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6990 * tree-loop-linear.c: Don't include varray.h.
6991 (gather_interchange_stats, try_interchange_loops,
6992 linear_transform_loops): Use VEC instead of VARRAY.
6993 * lambda-mat.c: Don't include varray.h.
6994 * tree-chrec.c: Same.
6995 * lambda-trans.c: Same.
6996 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6997 VEC instead of VARRAY.
6998 * tree-vectorizer.h: Idem.
6999 * tree-data-ref.c (dump_data_references,
7000 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7001 initialize_data_dependence_relation, finalize_ddr_dependent,
7002 compute_all_dependences, find_data_references_in_loop,
7003 compute_data_dependences_for_loop, analyze_all_data_dependences,
7004 free_dependence_relation, free_dependence_relations,
7005 free_data_refs): Idem.
7006 * tree-data-ref.h (data_reference_p, subscript_p): New.
7007 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7008 VEC instead of VARRAY.
7009 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7010 (find_data_references_in_loop, compute_data_dependences_for_loop,
7011 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7012 dump_data_dependence_relations, free_dependence_relations,
7013 free_data_refs): Adjust declaration.
7014 (lambda_transform_legal_p): Move declaration here...
7015 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7016 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7017 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7018 vect_analyze_data_refs): Use VEC instead of VARRAY.
7019 * lambda.h (lambda_transform_legal_p): ...from here.
7020 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7021 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7022 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7023 tree-chrec.o): Don't depend on VARRAY_H.
7025 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7027 * rtl.def (Copyright): Update date.
7028 (DEPS_LIST): Change type of the second operand to 'int'.
7029 * target.h (Copyright): Update date.
7030 (struct gcc_target.speculate_insn): Change type of the second parameter
7032 * lists.c (Copyright): Update date.
7033 (alloc_DEPS_LIST): Change signature. Update reference to the second
7034 operand of the DEPS_LIST.
7035 (copy_DEPS_LIST_list): Update reference to the second operand of the
7037 * rtl.h (Copyright): Update date.
7038 (alloc_DEPS_LIST): Update signature.
7039 * sched-int.h (Copyright): Update date.
7040 (ds_t): Change typedef to 'int'.
7041 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7043 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7045 * haifa-sched.c (Copyright): Update date.
7046 (try_ready): Change condition to restore non-speculative pattern
7048 (process_insn_depend_be_in_spec): Code to keep probability of the
7049 speculative dependence non-decreasing.
7051 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7053 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7054 shut up the compiler.
7056 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7058 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7059 to use lib prefix for target.
7060 ($(T)libic_invalidate_array_4-200.a): Likewise.
7061 ($(T)libic_invalidate_array_4a.a): Likewise.
7063 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7064 J"orn Rennecke <joern.rennecke@st.com>
7066 * superh.opt: New file.
7067 * sh.c (boardtype, osruntime): Remove.
7068 * superh.h (SUBTARGET_OPTIONS): Remove.
7069 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7071 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7072 arguments with ^ and/or [].
7074 * config.gcc (sh-*-*): Add quoting to account for quirk of
7076 Replace == with = in enable_incomplete_targets test.
7078 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7079 with MASK_LITTLE_ENDIAN.
7081 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7082 * config/sh/sh.opt: Added to some comments.
7083 * config/sh/superh.h: Removed some chaff.
7085 * config/sh/sh.opt: Add m4-[1234]00* options.
7086 * config/sh/sh.c (sh_handle_option): Likewise.
7087 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7088 (ic_invalidate_array_4-100.o): New rule.
7089 ($(T)libic_invalidate_array_4-100.a): Likewise.
7090 (ic_invalidate_array_4-200.o): Likewise.
7091 ($(T)libic_invalidate_array_4-200.a): Likewise.
7092 (ic_invalidate_array_4a.o): Likewise.
7093 ($(T)libic_invalidate_array_4a.a): Likewise.
7094 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7095 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7097 * config/sh/crt1.asm: Merged in profiling code.
7098 * config/sh/superh.h (STARTFILE_SPEC): Override.
7099 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7100 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7101 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7103 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7104 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7105 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7107 * sh.opt (mpretend-cmove): New option.
7108 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7109 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7110 (movsicc): Add TARGET_PRETEND_CMOVE code.
7112 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7114 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7115 s390_class_max_nregs): New function prototypes.
7116 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7117 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7118 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7119 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7121 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7123 * dwarf2out.c (add_location_or_const_value_attribute): Call
7124 tree_add_const_value_attribute if nothing else works.
7125 (reference_to_unused): New.
7126 (rtl_for_decl_init): Use reference_to_unused to decide whether
7127 to output an initializer.
7129 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7132 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7133 peephole removing spe frob_di_df_2.
7135 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7137 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7138 (subscript_dependence_tester_1): Declared.
7139 (print_dir_vectors, print_dist_vectors): New.
7140 (debug_data_dependence_relation): New.
7141 (dump_data_dependence_relation): Print more details.
7142 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7143 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7144 (save_dist_v, save_dir_v, add_outer_distances,
7145 build_classic_dist_vector_1): New.
7146 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7147 Don't test for lambda_vector_lexico_pos.
7148 (same_access_functions, add_multivariate_self_dist,
7149 add_other_self_distances, dir_from_dist): New.
7150 (build_classic_dir_vector): Replace implementation almost identical to
7151 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7153 (subscript_dependence_tester_1): New.
7154 (subscript_dependence_tester): Handle the lexicographically negative
7155 distance vectors by recomputing the dependence relation.
7156 (compute_affine_dependence): Remove parameter loop_nest_depth.
7157 (compute_self_dependence): Don't call compute_subscript_distance.
7158 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7159 Add a parameter for the loop_nest.
7160 (find_loop_nest_1, find_loop_nest): New.
7161 (compute_data_dependences_for_loop): Compute the loop nest, and give
7162 up if the nest is not well formed.
7163 * tree-data-ref.h (loop_p): New.
7164 (struct data_dependence_relation): Replace size_vect field with
7165 loop_nest, a vec of loops.
7166 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7167 (DDR_LOOP_NEST): New.
7168 (print_dir_vectors, print_dist_vectors,
7169 debug_data_dependence_relation): Declared.
7170 (index_in_loop_nest): New.
7171 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7172 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7175 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7177 * simplify-rtx.c (simplify_relational_operation): Call
7178 simplify_relational_operation_1 even if mode is VOIDmode.
7180 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7182 PR tree-optimization/26804
7183 * tree.h (DECL_CALL_CLOBBERED): New macro.
7184 (tree_decl_common): Add call_clobbered_flag.
7185 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7186 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7187 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7188 (mark_non_addressable): Ditto.
7189 * tree-ssa.c (verify_call_clobbered): New function.
7190 (verify_alias_info): Use it.
7191 * tree-pass.h (pass_reset_cc_flags): New prototype.
7192 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7193 (reset_cc_flags): New function.
7194 * passes.c (init_optimization_passes): Call reset_cc_flags after
7195 initializing referenced_vars.
7197 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7198 Roger Sayle <roger@eyesopen.com>
7201 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7202 to 1.0 for non-real operands. Implement A / A optimization for
7205 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7207 * config/i386/i386.c (size_cost): Correct the comment for
7208 cost of storing fp registers.
7209 (i386_cost): Likewise.
7210 (i486_cost): Likewise.
7211 (pentium_cost): Likewise.
7212 (pentiumpro_cost): Likewise.
7213 (k6_cost): Likewise.
7214 (athlon_cost): Likewise.
7215 (k8_cost): Likewise.
7216 (pentium4_cost): Likewise.
7217 (nocona_cost): Likewise.
7218 (generic64_cost): Likewise.
7219 (generic32_cost): Likewise.
7221 2006-03-24 Denis Chertykov <denisc@overta.ru>
7223 * config/avr/avr-protos.h (extra_constraint): Delete.
7224 (extra_constraint_Q): New declaration.
7225 * config/avr/constraints.md: New file.
7226 * config/avr/avr.md: Include it.
7227 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7228 (TMP_REGNO, ZERO_REGNO): Likewise.
7229 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7230 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7231 (extra_constraint): Delete.
7232 (extra_constraint_Q): Test for memory constraint 'Q'.
7233 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7234 (REG_CLASS_FROM_LETTER): Delete.
7235 (CONST_OK_FOR_LETTER_P): Delete.
7236 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7237 (EXTRA_CONSTRAINT): Delete.
7238 (TMP_REGNO): Delete.
7239 (ZERO_REGNO): Delete.
7241 2006-03-24 Jeff Law <law@redhat.com>
7243 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7244 directly. Call mark_new_vars_to_rename slightly earlier.
7246 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7248 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7250 (gen_compile_unit_die): Use new language types for Objective-C and
7252 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7253 DW_LANG_C_plus_plus.
7256 * config/t-darwin (crt3.o): Work around bug 26840.
7257 * config/darwin-crt3.c: Rewrite.
7258 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7260 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7262 * doc/invoke.texi: Document -femit-class-debug-always
7263 * common.opt: Add -femit-class-debug-always.
7265 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7267 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7268 index and base register.
7269 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7270 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7271 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7272 REGNO_OK_FOR_INDEX_P.
7273 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7275 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7276 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7277 REG_OK_FOR_BASE_P): Definitions removed.
7279 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7282 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7283 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7284 set yet or weren't marked as local yet.
7286 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7288 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7291 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7293 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7294 (rs6000_legitimate_small_data_p): Delete.
7295 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7296 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7297 and make static. Add forward declaration. Update uses.
7298 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7299 of offsettable_memref_p.
7300 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7301 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7303 2006-03-24 Jeff Law <law@redhat.com>
7305 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7306 around bug in immediate-use iterator.
7308 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7311 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7312 or __LITTLE_ENDIAN__.
7314 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7316 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7317 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7318 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7319 * config/sh/sh.opt (mdiv=): Amend description.
7320 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7321 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7322 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7323 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7324 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7325 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7326 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7327 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7328 TARGET_DIVIDE_CALL_FP.
7330 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7332 * haifa-sched.c (choose_ready): Fix type of the local variable.
7333 Move local variables. Add comment.
7334 (check_reg_live): Change signature. Make callable from debugger.
7335 * sched-int.h (check_reg_live): Update signature.
7336 * sched-ebb.c (check_reg_live): Update parameters.
7337 * sched-rgn.c (check_reg_live): Ditto.
7338 (region_head_or_leaf_p): Check pointer before dereferencing.
7339 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7340 before reload on optimization levels below 1.
7342 2006-03-23 Richard Henderson <rth@redhat.com>
7344 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7348 * config/alpha/predicates.md (local_symbolic_operand): Reject
7351 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7354 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7355 expressions which have overflowed constants.
7357 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7359 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7361 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7363 * cfgloopmanip.c (create_loop_notes): Removed.
7364 * final.c (final_scan_insn): Do not handle loop notes.
7365 * jump.c (squeeze_notes): Ditto.
7366 * cfglayout.c (skip_insns_after_block,
7367 duplicate_insn_chain): Ditto.
7368 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7370 * cfgloop.h (create_loop_notes): Declaration removed.
7372 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7374 * varasm.c (output_constant_pool): Restore fnname and fndecl
7376 (assemble_start_function): Adjust call accordingly.
7377 (assemble_end_function): Likewise.
7379 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7382 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7385 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7387 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7390 * system.h (ICE_EXIT_CODE): New macro.
7391 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7392 (diagnostic_action_after_output): Likewise.
7393 * gcc.c (fatal_ice): New function.
7394 (execute): Use it instead of fatal.
7395 (fancy_abort): Likewise.
7396 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7398 2006-03-22 Jeff Law <law@redhat.com>
7400 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7401 iv_analyze_result returning false.
7403 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7405 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7407 2006-03-22 Richard Henderson <rth@redhat.com>
7410 * except.c (duplicate_eh_regions_0): New.
7411 (duplicate_eh_region_1): Duplicate the children of the node as
7412 well as the node itself. Link them up properly.
7413 (duplicate_eh_region_2): Merge into ...
7414 (duplicate_eh_regions): ... here. Take copy_region argument, and
7415 copy only a sub-tree if asked. Simplify copying and fixup.
7416 (eh_region_outer_p): New.
7417 * except.h (duplicate_eh_regions): Update decl.
7418 (eh_region_outer_p): Declare.
7419 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7420 (lower_omp_master): Likewise.
7421 (lower_omp_ordered): Likewise.
7422 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7423 (move_stmt_r): Use it to remap labels. Handle recursion vs
7424 remap_decls_p properly.
7425 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7426 (find_outermost_region_in_block): New.
7427 (new_label_mapper): New.
7428 (move_sese_region_to_fn): Copy eh information to the new function
7430 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7432 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7435 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7437 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7438 into shared libraries.
7440 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7442 * doc/md.texi: Refer to i386/constraints.md instead of
7444 * config/i386/constraints.md: New file, extracted from...
7445 * config/i386/predicates.md: ...here.
7446 * config/i386/i386.md: Include constraints.md.
7448 2006-03-21 Jason Merrill <jason@redhat.com>
7450 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7453 * expr.c (init_block_move_fn): Force default visibility.
7454 (init_block_clear_fn): Likewise.
7455 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7456 * targhooks.c (default_external_stack_protect_fail): Likewise.
7458 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7460 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7461 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7462 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7463 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7464 (loadgp): Use mips_current_loadgp_style.
7465 (loadgp_noshared): New pattern.
7466 (sibcall_internal): Use MIPS_CALL.
7467 (sibcall_value_internal): Likewise.
7468 (sibcall_value_multiple_internal): Likewise.
7469 (call_internal): Likewise.
7470 (call_value_internal): Likewise.
7471 (call_value_multiple_internal): Likewise.
7472 (call_split): Use MIPS_CALL and add an 'S' constraint.
7473 (call_value_split): Likewise.
7474 (call_value_multiple_split): Likewise.
7475 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7476 (-mshared): New option.
7477 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7478 (mips_current_loadgp_style): Declare.
7479 * config/mips/mips.c (mips_classify_symbol): Avoid using
7480 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7481 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7482 TARGET_ABSOLUTE_ABICALLS.
7483 (override_options): Adjust comments. Improve the warning that is
7484 issued when -mabicalls and -G are used together.
7485 (mips_file_start): Remove comment.
7486 (mips_current_loadgp_style): New function.
7487 (mips_gnu_local_gp): New variable.
7488 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7490 (mips_output_function_prologue): Use mips_current_laodgp_style.
7491 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7492 the cprestore instruction.
7493 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7494 live for TARGET_ABSOLUTE_ABICALLS.
7495 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7496 (ASM_SPEC): Pass down -mshared and -mno-shared.
7497 (MIPS_CALL): New macro.
7498 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7500 * doc/invoke.texi (-mabicalls): Update documentation.
7501 (-mshared): Document.
7503 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7505 * config/ia64/unwind-hpux.c: New file.
7506 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7508 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7511 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7513 2006-03-21 Jeff Law <law@redhat.com>
7515 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7516 type conversions of a VR_VARYING source to a wider type.
7518 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7520 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7521 tm_file on Solaris 10 and later.
7522 (sparc64-*-solaris2*): Likewise.
7523 (sparc-*-solaris2*): Likewise.
7524 * config/sol26.h: Rename to config/sol2-6.h.
7525 * config/sol2-10.h: New file.
7527 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7530 * tree-ssa-pre.c (create_component_ref_by_pieces):
7533 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7536 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7537 return it immediately.
7539 2006-03-21 Michael Matz <matz@suse.de>
7541 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7543 (remove_arc, add_arc): Update num_out_arcs member.
7544 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7546 (cache_presence): New function.
7547 (compare_states_for_equiv): New function.
7548 (state_is_differed): Don't take number of outargs, adjust callers.
7549 Use new invariant for speeding up.
7550 (init_equiv_class): Create initial classes based on sorted
7552 (partition_equiv_class): Don't track out_arcs_num.
7553 (evaluate_equiv_classes): Call cache_presence on all states and
7556 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7558 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7559 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7560 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7561 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7563 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7564 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7565 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7566 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7567 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7569 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7570 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7571 (REGNO_REG_CLASS): ARGP is in PREGS.
7572 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7574 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7575 to deal with those addresses.
7576 * addresses.h: New file.
7577 * caller-save.c: Include "addresses.h".
7578 (init_caller_save): Use new base_reg_class function.
7579 * rtl-factoring.c: Include "addresses.h".
7580 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7581 * recog.c: Include "addresses.h".
7582 (preprocess_constraints): Use new base_reg_class function.
7583 * regrename.c: Include "addresses.h".
7584 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7585 functions. Keep track of a new var INDEX_CODE to compute valid
7587 (replace_oldest_value_addr): Likewise.
7588 (replace_oldest_value_mem): Use base_reg_class.
7589 * reload.c: Include "addresses.h".
7590 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7591 (find_reloads): Use new base_reg_class function.
7592 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7593 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7594 all callers and prototype changed.
7595 * reload1.c: Include "addresses.h".
7596 (maybe_fix_stack_asms): Use base_reg_class.
7597 * regclass.c: Include "addresses.h".
7598 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7599 (init_reg_autoinc): Use new base_reg_class function.
7600 (record_reg_classes): Likewise.
7601 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7602 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7603 Use new args to compute necessary class.
7605 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7606 regrename.o, rtl-factoring.o): Update dependencies.
7607 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7608 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7609 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7610 REG_OK_FOR_INDEX_P): Delete documentation.
7612 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7614 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7615 from V7 to V9 for Solaris 7 and above.
7617 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7619 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7620 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7621 argument pointers may not alias any other storage.
7622 * common.opt: Define option -fargument-noalias-anything.
7623 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7624 alias semantics is specified by flag_argument_noalias > 2.
7626 2006-03-20 Jeff Law <law@redhat.com>
7628 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7629 (pass_phi_only_cprop): Declare.
7630 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7632 * tree-ssa-dom.c (degenerate_phi_result): New function.
7633 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7634 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7635 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7636 (eliminate_degenerate_phis): Likewise.
7637 (pass_phi_only_cprop): New pass descriptor.
7638 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7639 support code. Callers updated.
7640 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7641 (store_copy_prop): Likewise.
7642 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7644 2006-03-20 Jason Merrill <jason@redhat.com>
7647 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7648 (push_visibility, pop_visibility): Likewise.
7649 * c-pragma.h: Declare them.
7651 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7653 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7655 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7656 parameter and use get_ebb_head_tail.
7657 (sh_md_init_global): Adjust uses of find_regmode_weight.
7659 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7661 * function.h (struct function) <x_tail_recursion_reentry>:
7662 Rename to x_stack_check_probe_note.
7663 (tail_recursion_reentry): Rename to stack_check_probe_note.
7664 * function.c: Replace tail_recursion_reentry with
7665 stack_check_probe_note everywhere.
7666 (expand_function_start): Only emit a note for
7667 stack_check_probe_note with -fstack-protect.
7668 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7670 * emit-rtl.c (remove_unnecessary_notes): Remove.
7671 (pass_remove_unnecessary_notes): Remove.
7672 * rtl.h (remove_unnecessary_notes): Remove prototype.
7673 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7674 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7675 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7677 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7680 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7681 (valid_in_set): Handle ARRAY_REF.
7682 Change "if min_variant or VH" to asserts.
7683 (create_component_ref_by_pieces): Handle ARRAY_REF.
7684 (create_expression_by_pieces): Likewise.
7685 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7687 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7689 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7690 is operand of switch, not str[0].
7692 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7694 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7695 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7697 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7699 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7700 end of insn_extra_address_constraint declaration.
7702 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7704 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7705 (no-sum-in-toc): Same.
7706 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7708 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7709 NO_FP_IN_TOC for -fPIC instead of mask.
7711 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7712 (BOOT_LDFLAGS): Delete.
7714 * config/rs6000/t-aix52: Same.
7716 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7717 (stmsi[345678]_power): New.
7719 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7721 * config/ia64/ia64.opt: Add empty line to end of file.
7723 2006-03-17 Richard Guenther <rguenther@suse.de>
7726 * builtins.c (get_pointer_alignment): For component style references
7727 adjust alignment to the component type alignment. Make sure
7728 to adjust alignment for component access of constants.
7730 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7732 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7735 2006-03-17 Paul Brook <paul@codesourcery.com>
7737 * doc/install.texi: Docuemnt --with-mode.
7738 * config.gcc: Add --with-mode for arm*-*-*.
7739 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7741 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7743 * sh.c (max_labelno_before_reorg): New variable.
7744 (sh_reorg): Initialize it.
7745 (find_barrier): Check max_labelno_before_reorg before using
7746 label_to_alignment. Take length of explicit alignment insns
7747 into account. When seeing a UNSPECV_CONST_END, return it.
7749 * sh.c (fixup_mova): Set mode of affected label to QImode.
7750 (untangle_mova): New function.
7751 (find_barrier): Use it. Check mode of label before decrementing
7753 (sh_reorg): Likewise.
7754 Set mode of all insns back to VOIDmode.
7756 * sh.c (MOVA_LABELREF): New macro.
7757 (mova_p, fixup_mova, sh_reorg): Use it.
7758 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7759 ADDR_DIFF_VEC matches mova.
7761 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7763 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7764 with ATTRIBUTE_UNUSED.
7766 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7768 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7769 pointer, instead of assuming it is possible to derive the
7770 correct args size from a call insn.
7772 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7774 * rtl.h (CONST_INT_P): Define.
7775 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7776 instead of GET_CODE(x) == CONST_INT.
7777 (vax_rtx_costs): Likewise.
7778 (vax_output_int_move): Likewise.
7779 (vax_output_int_add): Likewise.
7780 (legitimate_constant_address_p): Likewise.
7781 (index_term_p): Likewise.
7782 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7783 * config/vax/vax.md (and<mode>3): Likewise.
7784 (ashrsi3): Likewise.
7786 (movstricthi): Likewise.
7787 (movstrictqi): Likewise.
7788 (rotrsi3): Likewise.
7789 (five unnamed insns): Likewise.
7791 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7793 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7794 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7795 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7796 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7797 Pass to ASM_OUTPUT_DWARF_OFFSET.
7798 * dwarf2out.c (debug_frame_section): New.
7799 (output_call_frame_info): Use debug_frame_section. Pass it to
7800 dw2_asm_output_offset.
7801 (output_die): Pass appropriate section to dw2_asm_output_offset.
7802 (output_compilation_unit_header): Likewise.
7803 (output_pubnames): Likewise.
7804 (output_aranges): Likewise.
7805 (enum dw_val_class): Break dw_val_class_lbl_offset into
7806 dw_val_class_lineptr and dw_val_class_macptr.
7807 (add_AT_lbl_offset): Delete.
7808 (add_AT_lineptr): New.
7809 (add_AT_macptr): New.
7810 (AT_lbl): Expect a lineptr or macptr.
7811 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7812 (attr_checksum): Likewise.
7813 (same_dw_val_p): Likewise.
7814 (size_of_die): Likewise.
7815 (value_format): Likewise.
7816 (output_die): Likewise.
7817 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7819 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7820 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7821 * config/darwin-protos.h (darwin_file_start): New.
7822 (darwin_asm_output_dwarf_offset): New.
7823 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7824 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7826 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7827 if not EH section; simplify.
7828 (darwin_file_start): New.
7829 (darwin_asm_output_dwarf_offset): New.
7830 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7832 (DEBUG_INFO_SECTION): Likewise.
7833 (DEBUG_ABBREV_SECTION): Likewise.
7834 (DEBUG_ARANGES_SECTION): Likewise.
7835 (DEBUG_MACINFO_SECTION): Likewise.
7836 (DEBUG_LINE_SECTION): Likewise.
7837 (DEBUG_LOC_SECTION): Likewise.
7838 (DEBUG_PUBNAMES_SECTION): Likewise.
7839 (DEBUG_STR_SECTION): Likewise.
7840 (DEBUG_RANGES_SECTION): Likewise.
7841 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7842 (ASM_OUTPUT_DWARF_OFFSET): New.
7844 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7846 * config.gcc (tm_defines): Always add to previous value rather
7849 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7851 * config/mips/predicates.md (splittable_const_int_operand): New,
7852 split from move_operand.
7853 (splittable_symbolic_operand): New.
7854 (move_operand): Add commentary. Use splittable_const_int_operand.
7855 Inline mips_atomic_symbolic_constant_p.
7856 * config/mips/mips.md: Add combine splitters for handling moves
7857 of splittable_const_int_operands and splittable_symbolic_operands.
7858 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7859 (mips_split_symbol): Declare.
7860 (mips_move_integer): Declare.
7861 * config/mips/mips.c (mips_split_p): Make global.
7862 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7863 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7864 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7865 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7866 (mips_offset_within_object_p): Handle block symbols.
7867 (mips_atomic_symbolic_constant_p): Delete.
7868 (mips_cannot_force_const_mem): Return false for constants that
7869 mips_legitimize_move can handle.
7870 (mips_use_blocks_for_constant_p): New function.
7871 (mips_split_symbol): Make global.
7872 (mips_move_integer): Likewise. Add a temporary register argument.
7873 (mips_legitimize_const_move): Use splittable_const_int_operand and
7874 splittable_symbolic_operand.
7875 (mips_use_anchors_for_symbol_p): New function.
7876 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7877 (mips_split_p): Declare.
7879 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7881 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7882 (mips*-*-linux*): Likewise.
7884 2006-03-16 Roger Sayle <roger@eyesopen.com>
7885 Daniel Speyer <dspeyer@wam.umd.edu>
7888 * tree-dump.c (dump_real): New function.
7889 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7890 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7891 (tree-dump.o): Add $(REAL_H) to the dependencies.
7893 2006-03-16 Roger Sayle <roger@eyesopen.com>
7896 * real.c (real_from_string): If the mantissa is zero, don't bother
7897 parsing the exponent as the result should always be zero.
7899 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7901 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7903 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7905 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7906 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7907 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7908 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7909 ia64_sched_finish_global): New static functions to implement
7910 hooks from gcc_target.sched.
7911 (spec_check_no, max_uid, pending_data_specs): New static variables.
7912 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7913 ia64_spec_check_src_p): New static functions.
7914 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7915 (TARGET_SCHED_ADJUST_COST): Removed.
7916 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7917 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7918 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7919 TARGET_SCHED_GEN_CHECK,
7920 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7921 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7922 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7923 Fixed to handle speculation checks.
7924 (rtx_needs_barrier): Fixed to handle speculative loads and
7926 (ia64_variable_issue): Added code to count speculative loads and their
7928 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7930 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7932 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7934 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7935 (ia64_reorg): Reset stops_p to NULL after it is freed.
7936 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7937 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7938 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7940 (data_speculative, control_speculative, check_load): New attributes.
7941 (mov<mode>_advanced, mov<mode>_speculative,
7942 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7943 zero_extend<mode>di2_speculative,
7944 zero_extend<mode>di2_speculative_advanced): New patterns for
7945 data and control speculative loads.
7946 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7948 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7949 New pattern for data and control speculation checks.
7950 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7951 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7952 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7953 Auxiliary definitions for the patterns.
7954 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7955 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7957 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7959 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7960 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7961 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7962 New resource constraints.
7963 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7965 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7966 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7967 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7968 msched-in-control-spec, msched-ldc, msched-control-ldc,
7969 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7970 msched-prefer-non-control-spec-insns,
7971 msched-count-spec-in-critical-path): New flags to tune speculative
7973 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7974 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7975 msched-in-control-spec, msched-ldc, msched-control-ldc,
7976 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7977 msched-prefer-non-control-spec-insns,
7978 msched-count-spec-in-critical-path): Document new flags.
7980 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7982 * target.h (struct spec_info_def): New opaque declaration.
7983 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7984 speculate_insn, needs_block_p, gen_check,
7985 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7986 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7987 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7988 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7989 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7990 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7992 (TARGET_SCHED): Use new macros.
7993 * rtl.h (copy_DEPS_LIST_list): New prototype.
7994 * sched-int.h (struct sched_info): Change signature of new_ready field,
7995 adjust all initializations. New fields: add_remove_insn,
7996 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7997 region_head_or_leaf_p.
7998 (struct spec_info_def): New structure declaration.
7999 (spec_info_t): New typedef.
8000 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8001 recovery_block, orig_pat.
8002 (glat_start, glat_end): New variables declaraions.
8003 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8005 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8006 DETACH_LIFE_INFO, USE_GLAT.
8007 (enum SPEC_SCHED_FLAGS): New enumeration.
8008 (NOTE_NOTE_BB_P): New macro.
8009 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8010 attach_life_info, debug_spec_status, check_reg_live): New functions.
8011 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8012 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8014 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8015 * ddg.c (get_block_head_tail): Adjust all uses.
8016 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8017 (sms_sched_info): Initialize new fields.
8018 (contributes_to_priority): Removed.
8019 * haifa-sched.c (params.h): New include.
8020 (get_block_head_tail): Adjust all uses.
8021 (ISSUE_POINTS): New macro.
8022 (glat_start, glat_end): New global variables.
8023 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8024 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8025 old_last_basic_block, before_recovery, current_sched_info_var,
8026 rgn_n_insns, luid): New static variables.
8027 (insn_cost1): New function. Move logic from insn_cost to here.
8028 (find_insn_reg_weight1): New function. Move logic from
8029 find_insn_reg_weight to here.
8030 (reemit_notes, move_insn, max_issue): Change signature.
8031 (move_insn1): Removed.
8032 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8033 extend_bb): New static functions to support extension of scheduler's
8035 (generate_recovery_code, process_insn_depend_be_in_spec,
8036 begin_speculative_block, add_to_speculative_block,
8037 init_before_recovery, create_recovery_block, create_check_block_twin,
8038 fix_recovery_deps): New static functions to support
8039 generation of recovery code.
8040 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8041 restore_bb_notes, move_block_after_check, move_succs): New static
8042 functions to support ebb scheduling.
8043 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8044 functions to support handling of register live information.
8045 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8046 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8047 add_jump_dependencies): New static functions.
8048 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8049 consistancy checking.
8050 (debug_spec_status): New function to call from debugger.
8051 (priority): Added code to handle speculation checks.
8052 (rank_for_schedule): Added code to distinguish speculative instructions.
8053 (schedule_insn): Added code to handle speculation checks.
8054 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8055 Fixed to handle ebbs.
8056 (move_insn): Added code to handle ebb scheduling.
8057 (max_issue): Added code to use ISSUE_POINTS of instructions.
8058 (choose_ready): Added code to choose between speculative and
8059 non-speculative instructions.
8060 (schedule_block): Added code to handle ebb scheduling and scheduling of
8061 speculative instructions.
8062 (sched_init): Initialize new variables.
8063 (sched_finish): Free new variables. Print statistics.
8064 (try_ready): Added code to handle speculative instructions.
8065 * lists.c (copy_DEPS_LIST_list): New function.
8066 * sched-deps.c (extend_dependency_caches): New function. Move logic
8067 from create_dependency_caches to here.
8068 (get_dep_weak, ds_merge): Make global.
8069 * genattr.c (main): Code to output prototype for
8070 dfa_clear_single_insn_cache.
8071 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8072 (output_dfa_clean_insn_cache_func): Code to output
8073 dfa_clear_single_insn_cache function.
8074 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8076 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8078 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8079 New static variables.
8080 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8081 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8083 (ebb_sched_info): Initialize new fields.
8084 (get_block_head_tail): Adjust all uses.
8085 (compute_jump_reg_dependencies): Fixed to use glat_start.
8086 (schedule_ebb): Code to remove unreachable last block.
8087 (schedule_ebbs): Added code to update register live information.
8088 * sched-rgn.c (region_sched_info): Initialize new fields.
8089 (get_block_head_tail): Adjust all uses.
8090 (last_was_jump): Removed. Adjust users.
8091 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8092 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8093 Implement new hooks.
8094 (check_dead_notes1): New static function.
8095 (struct region): New fields: dont_calc_deps, has_real_ebb.
8096 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8097 (BB_TO_BLOCK): Fixed to handle EBBs.
8098 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8099 (ebb_head): New static variable.
8100 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8101 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8103 (compute_dom_prob_ps): New assertion.
8104 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8105 global_live_at_start.
8106 (init_ready_list): New assertions.
8107 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8108 (new_ready): Add support for BEGIN_CONTROL speculation.
8109 (schedule_insns): Fixed code that updates register live information
8111 (schedule_region): Fixed to handle EBBs.
8112 (init_regions): Use extend_regions and check_dead_notes1.
8113 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8114 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8115 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8116 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8117 TARGET_SCHED_GEN_CHECK,
8118 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8119 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8120 * doc/invoke.texi (max-sched-insn-conflict-delay,
8121 sched-spec-prob-cutoff): Document.
8123 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8125 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8126 inter_tick, queue_index.
8127 (struct sched_info): Change signature of init_ready_list field.
8128 Adjust all initializations.
8129 (RESOLVED_DEPS): New access macro.
8130 (ready_add): Remove prototype.
8131 (try_ready): Add prototype.
8132 * sched-rgn.c (init_ready_list): Use try_ready.
8133 (schedule_region): Initialize
8134 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8135 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8136 (init_ready_list): Use try_ready.
8137 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8138 * lists.c (remove_list_elem): Remove `static'.
8139 (remove_free_INSN_LIST_elem): New function.
8140 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8141 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8142 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8144 (readyp): New variable.
8145 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8146 change_queue_index, resolve_dep): New static functions.
8147 (try_ready): New function. Adjust callers in sched-rgn.c and
8148 sched-ebb.c to use it instead of ready_add.
8149 (clock_var): Move at the begining of file.
8150 (rank_for_schedule): Fix typo.
8151 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8152 (ready_lastpos): Enforce assertion.
8153 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8155 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8156 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8157 (queue_to_ready): Use free_INSN_LIST_list.
8158 (early_queue_to_ready): Fix typo.
8159 (schedule_block): Init readyp. Move init_ready_list call after the
8160 initialization of clock_var. Fix error in rejecting insn by
8161 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8162 that previously corrected INSN_TICKs. Add code for handling
8164 (set_priorities): Fix typo.
8165 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8166 Clarify comment and code that keeps current_sched_info->next_tail
8169 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8171 * sched-rgn.c (extend_rgns): New static function.
8172 (find_rgns): Use it.
8173 (gather_region_statistics, print_region_statistics): New static
8175 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8176 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8178 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8179 Andrey Belevantsev <abel@ispras.ru>
8181 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8182 * lists.c (unused_deps_list): New variable.
8183 (free_list): Add assertions to verify the proper distinguishing
8184 between INSN_LISTs and DEPS_LISTs.
8185 (find_list_elem, remove_list_elem, remove_list_node): New static
8187 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8188 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8189 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8190 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8192 (free_INSN_LIST_node): Likewise.
8193 * modulo-sched.c (current_sched_info): Initialize flags field.
8194 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8195 * rtl.def (DEPS_LIST): Define.
8196 * rtl.h: Declare new functions from lists.c.
8197 * sched-deps.c (spec_dependency_cache): New static variable.
8198 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8199 (add_dependence): Change return type to void. Move the logic to ...
8200 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8201 (delete_all_dependences): Add comment about forward_dependency_cache.
8202 Handle spec_dependency_cache. Handle DEPS_LISTs.
8203 (fixup_sched_groups): Clarify the change of priority of output
8204 and anti dependencies.
8205 (sched_analyze_2): Adjust add_dependence calls to create data
8206 speculative dependence.
8207 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8208 Adjust all callers. Handle DEPS_LISTS.
8209 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8210 presence of speculation.
8211 (init_dependency_caches, free_dependency_caches):
8212 Handle spec_dependency_cache.
8213 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8214 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8215 New static functions.
8216 (add_or_update_back_dep, add_or_update_back_forw_dep,
8217 add_back_forw_dep, delete_back_forw_dep): New functions.
8218 * sched-int.h (ds_t, dw_t): New typedefs.
8219 (struct sched_info): Add new field flags.
8220 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8221 Prototype new sched-deps.c functions.
8222 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8223 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8224 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8225 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8226 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8227 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8229 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8231 * sched-rgn.c (current_sched_info): Initialize flags field.
8232 (schedule_insns): Initialize current_sched_info before the sched_init
8234 * sched-ebb.c (current_sched_info): Initialize flags field.
8235 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8236 Call add_or_update_back_dep instead of add_dependence.
8237 Create control speculative dependencies.
8238 (schedule_insns): Initialize current_sched_info before the sched_init
8241 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8243 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8245 (sh_fallback_frame_state): Likewise.
8247 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8249 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8250 Do switch on default_use_cxa_atexit.
8251 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8252 * config/darwin-crt3.o: New.
8253 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8254 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8255 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8257 * config/rs6000/t-darwin: Move crt2.o building to here.
8258 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8259 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8262 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8264 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8265 from '! xxx' to '!xxx' for coding-style conformance.
8266 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8267 (EXTRA_CONSTRAINT): Likewise.
8268 * config/vax/vax.md (four unnamed insns): Likewise.
8270 2006-03-15 Paul Brook <paul@codesourcery.com>
8272 * config/arm/arm.c (minipool_pad): New.
8273 (add_minipool_forward_ref): Include pool alignment padding in address
8275 (push_minipool_fix): Set minipool_pad.
8276 (minipool_pad): Ditto.
8278 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8280 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8281 instead of GET_CODE() == MEM and REG_P() instead of
8283 (print_operand_address): Likewise.
8284 (vax_address_cost): Likewise.
8285 (vax_rtx_costs): Likewise.
8286 (vax_notice_update_cc): Likewise.
8287 (vax_output_int_add): Likewise.
8288 (INDEX_REGISTER_P): Likewise.
8289 (BASE_REGISTER_P): Likewise.
8290 (nonindexed_address_p): Likewise.
8291 (vax_mode_dependent_address_p): Likewise.
8292 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8293 (PRINT_OPERAND): Likewise.
8294 * config/vax/vax.md (ashlsi3): Likewise.
8295 (ashlsi3): Likewise.
8296 (some more unnamed insns): Likewise.
8298 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8300 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8301 iterator-style macro.
8302 (mark_control_dependent_edges_necessary): Update the use of
8303 EXECUTE_IF_CONTROL_DEPENDENT.
8305 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8307 * config/sh/predicates.md (cache_address_operand): Special.
8308 (ua_address_operand): Likewise.
8310 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8312 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8314 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8316 2006-03-15 Andreas Schwab <schwab@suse.de>
8318 * gensupport.c (identify_predicable_attribute): Don't free p_false
8319 when it is still in use.
8321 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8323 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8324 the default setting here.
8326 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8328 * tree-pass.h (pass_cfg): Remove.
8329 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8330 * passes.c (pass_cfg): Don't run it.
8332 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8334 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8335 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8337 (stack_regs_mentioned): Update the uses of
8338 stack_regs_mentioned_data. Don't access the array beyond its
8340 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8341 Don't include gt-reg-stack.h.
8343 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8344 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8346 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8349 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8352 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8354 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8356 2006-03-14 Richard Guenther <rguenther@suse.de>
8358 PR tree-optimization/26672
8359 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8362 2006-03-14 Richard Guenther <rguenther@suse.de>
8364 PR tree-optimization/26667
8365 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8366 node for the callees. Always allow inlining if it will shrink
8369 2006-03-14 Richard Guenther <rguenther@suse.de>
8372 * builtins.c (get_pointer_alignment): Prefer alignment
8373 information from decls over that from types.
8375 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8378 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8380 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8382 * config/rs6000/rs6000.opt (mdlmzb): New option.
8383 (msched-prolog, msched-epilog): Use Var not Mask.
8384 * doc/invoke.texi (-mdlmzb): Document.
8385 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8387 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8388 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8390 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8392 PR rtl-optimization/25739
8393 * bt-load.c (augment_live_range): Free tos pointer.
8395 * gensupport.c (identify_predicable_attribute): Free
8397 * gcov.c (create_file_names): Free name pointer.
8399 2006-03-13 Roger Sayle <roger@eyesopen.com>
8402 * stmt.c (emit_case_nodes): Handle the case where the index is a
8403 CONST_INT, where the comparison mode is specified by the index type.
8405 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8407 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8410 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8412 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8413 (*branch_fp_inverted): Likewise.
8415 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8418 * omp-low.c (expand_omp_for_generic): Mark istart0
8419 and iend0 as addressable.
8421 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8423 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8425 2006-03-13 Jeff Law <law@redhat.com>
8427 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8428 virtual operands are interesting.
8429 (vrp_visit_stmt): Corresponding changes.
8431 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8433 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8435 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8436 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8437 * config/bfin/crti.S: Use it instead of __PIC__.
8438 * config/bfin/crtn.S: Likewise.
8440 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8441 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8443 Lose 'G' modifier for call operand.
8444 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8445 recognize 'G' modifier.
8447 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8450 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8451 * stmt.c (expand_case): Likewise.
8453 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8455 PR rtl-optimization/26254
8456 * loop-invariant.c (seq_insns_valid_p): New function.
8457 (move_invariant_reg): Only emit new code if it is valid.
8459 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8461 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8463 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8464 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8465 (commit_one_edge_insertion): Do not look for loop notes.
8467 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8469 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8470 flag_test_coverage out of loop.
8472 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8474 * final.c (shorten_branches): Remove outdated comment, and turn
8475 the if branch that guards it to continue.
8477 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8479 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8480 * cfgloop.h (struct loop): Remove unused fields.
8482 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8484 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8485 (-dL, -fdump-rtl-loop2): Update the dump file names
8487 * doc/invoke.texi: Update dump file names.
8489 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8491 * predict.c (estimate_probability): Remove.
8492 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8493 * basic-block.h (estimate_probability): Remove prototype.
8494 * passes.c (finish_optimization_passes): Dump branch prediction or
8495 profiling heuristics to the .profile tree dump.
8496 (init_optimization_passes): Unqueue pass_branch_prob.
8498 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8500 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8502 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8503 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8505 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8507 * function.h (frame_offset_overflow): Declare.
8508 * function.c (frame_offset_overflow): New function.
8509 (assign_stack_local_1): Call it to detect that the offset overflows.
8510 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8512 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8514 * config/sh/sh.c: Include alloc-pool.h.
8515 (label_ref_list_pool): New alloc pool.
8516 (label_ref_list_t): New type for lists of labels.
8517 (struct pool_node): Make wend a label_ref_list_t.
8518 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8520 (dump_table): Likewise.
8521 (sh_reorg): Set up the alloc pool before using add_constant and
8522 dump_table, and destroy it when finishing.
8524 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8526 * config/mips/mips.c: Remove redundant comment.
8528 2006-03-10 Jason Merrill <jason@redhat.com>
8531 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8532 the target was declared 'register'.
8534 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8536 * genpreds.c (write_insn_constraint_len): Change definition of
8537 insn_constraint_len to return size_t to match the declaration.
8539 2006-03-10 DJ Delorie <dj@redhat.com>
8541 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8543 (m32c_expand_insv): Fix test for an AND mask.
8545 2006-03-10 Richard Guenther <rguenther@suse.de>
8548 * builtins.c (get_pointer_alignment): Handle component
8549 references for field alignment.
8551 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8553 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8554 when building with libgloss.
8555 (sh*elf): Implement --without-fp option.
8556 (sh64-superh-linux*): Don't multilib.
8558 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8560 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8562 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8564 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8565 Set it when one of the replacement functions returned true.
8566 Return TODO_cleanup_cfg if cfgchanged is true.
8567 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8569 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8571 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8572 instead of gen_lowpart.
8574 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8576 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8578 (mips_output_order_conditional_branch): Declare.
8579 * config/mips/mips.h (MIPS_BRANCH): New macro.
8580 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8581 for the comparison. Use gen_condjump.
8582 (mips_output_conditional_branch): Rework interface to take the
8583 asm templates for a direct branch and the inverse of a direct branch.
8584 (mips_output_order_conditional_branch): New function.
8585 (mips_builtin_branch_and_move): New function.
8586 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8587 branch condition. Use gen_single_cc as the condition for
8588 __builtin_mips_upper_* or __builtin_mips_lower_*.
8589 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8590 Use VOIDmode for the branch condition.
8591 * config/mips/predicates.md (order_operator): New predicate.
8592 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8593 (branch_fp): Rename to...
8594 (*branch_fp): ...this. Remove mode from comparison operator.
8595 Use new mips_output_conditional_branch interface.
8596 (branch_fp_inverted): Rename to...
8597 (*branch_fp_inverted): ...this and update as for *branch_fp.
8598 (*branch_zero<mode>): Rename to...
8599 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8600 Use mips_output_order_conditional_branch. Only accept ordered
8602 (*branch_zero<mode>_inverted): Rename to...
8603 (*branch_order<mode>_inverted): ...this and update as for
8604 *branch_order<mode>.
8605 (*branch_equality<mode>): Accept zero as the second operand to
8606 the equality operator. Use the new mips_output_conditional_branch
8608 (*branch_equality<mode>_inverted): Likewise.
8609 (condjump): New expander.
8610 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8612 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8613 (bc1any2t, bc1any2f): Likewise.
8614 (single_cc): New expander.
8615 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8617 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8619 * doc/md.texi: Update documentation of MIPS constraints.
8620 * config/mips/constraints.md: New file.
8621 * config/mips/mips.md: Include it.
8622 * config/mips/mips.c (mips_char_to_class): Delete.
8623 (override_options): Don't initialize mips_char_to_class.
8624 * config/mips/mips.h (mips_char_to_class): Delete.
8625 (REG_CLASS_FROM_LETTER): Delete.
8626 (CONST_OK_FOR_LETTER_P): Delete.
8627 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8628 (EXTRA_CONSTRAINT_Y): Delete.
8629 (EXTRA_CONSTRAINT_STR): Delete.
8630 (CONSTRAINT_LEN): Delete.
8631 (EXTRA_MEMORY_CONSTRAINT): Delete.
8633 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8635 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8636 original fn's eh regions.
8638 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8640 * fold-const.c (build_range_check): Make sure to use a valid type to
8641 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8644 (range_predecessor): New static function.
8645 (range_successor): Likewise.
8646 (merge_ranges): Use them to compute predecessors and successors of
8649 2006-03-09 Roger Sayle <roger@eyesopen.com>
8652 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8653 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8655 2006-03-08 DJ Delorie <dj@redhat.com>
8657 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8658 (addpsi3): Expand to include memory operands. Remove
8659 reload-specific splits.
8660 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8661 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8662 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8663 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8664 (shift1_qi, shift1_hi, insv): New.
8665 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8666 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8667 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8669 * config/m32c/m32c-protos.h: Update as needed.
8670 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8671 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8672 Fail for unrecognized R* constraints.
8673 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8674 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8675 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8677 (m32c_init_libfuncs): New.
8678 (m32c_legitimate_address_p): Add debug wrapper.
8679 (m32c_rtx_costs): New.
8680 (m32c_address_cost): New.
8681 (conversions): Add 'B' prefix.
8682 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8683 operands, or word regnames for QI operands. 'B' prints bit
8685 (m32c_expand_setmemhi): New.
8686 (m32c_expand_movmemhi): New.
8687 (m32c_expand_movstr): New.
8688 (m32c_expand_cmpstr): New.
8689 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8690 (m32c_expand_neg_mulpsi3): Handle non-ints.
8691 (m32c_cmp_flg_0): New.
8692 (m32c_expand_movcc): New.
8693 (m32c_expand_insv): New.
8694 (m32c_scc_pattern): New.
8695 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8696 a0/a1 out of SIregs.
8697 (STORE_FLAG_VALUE): New.
8698 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8701 * config/m32c/mov.md: Make constraints more liberal.
8702 (zero_extendqihi2): Optimize r0/r1 case.
8703 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8704 * config/m32c/predicates.md (m32c_any_operand): New.
8705 (m32c_nonimmediate_operand): New.
8706 (m32c_hl_operand): New.
8707 (m32c_r3_operand): New.
8710 (memsym_operand): New.
8711 (memimmed_operand): New.
8712 (a_qi_operand): New.
8713 (m32c_eqne_operator): New.
8714 (m32c_1bit8_operand): New.
8715 (m32c_1bit16_operand): New.
8716 (m32c_1mask8_operand): New.
8717 (m32c_1mask16_operand): New.
8718 * config/m32c/blkmov.md: New file.
8719 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8721 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8723 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8724 unsigned to fix signed/unsigned comparison issue in
8725 DWARF2_FRAME_REG_OUT.
8726 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8727 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8729 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8730 of ptr into the ENABLE_CHECKING section.
8732 2006-03-08 Jeff Law <law@redhat.com>
8734 * tree-vrp.c (infer_value_range): Only count pointer uses
8735 and dereferences if -fdelete-null-pointer-checks is enabled.
8737 * tree-vrp.c (find_assert_locations): Infer value ranges for
8738 single use pointers, but do not create ASSERT_EXPRs for them.
8739 When a non-null range is inferred for a pointer, backwards
8740 propagate that range to other equivalent pointers through the
8743 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8746 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8747 language hook targets.
8748 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8749 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8750 if language hook targets were missing.
8752 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8754 * tree-ssa-opfinalize.h: Removed.
8755 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8757 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8758 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8759 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8760 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8761 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8762 finalize_ssa_v_must_def_ops): New.
8764 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8766 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8769 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8771 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8773 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8774 addresses with offsets; reorganize.
8776 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8777 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8778 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8780 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8783 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8785 2006-03-08 Ben Elliston <bje@au.ibm.com>
8787 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8789 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8792 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8795 2006-03-07 Richard Guenther <rguenther@suse.de>
8797 PR tree-optimization/26587
8798 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8800 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8802 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8804 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8806 * hooks.c (hook_bool_mode_rtx_true): New function.
8807 * hooks.h (hook_bool_mode_rtx_true): Declare.
8808 * toplev.c (compile_file): Call output_shared_constant_pool.
8809 * varasm.c (shared_constant_pool): New variable.
8810 (assemble_start_function, assemble_end_function): Remove arguments
8811 from call to output_constant_pool.
8812 (create_constant_pool): New function, split out from...
8813 (init_varasm_status): ...here.
8814 (force_const_mem): Choose between the shared and per-function constant
8815 pools. Set current_function_uses_const_pool when reusing old entries
8816 as well as when creating new ones.
8817 (mark_constant): Ignore data argument.
8818 (mark_constants): Remove pool argument.
8819 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8820 to decide whether the function uses a constant pool.
8821 (output_constant_pool_contents): New function, split out from...
8822 (output_constant_pool): ...here.
8823 (output_shared_constant_pool): New function.
8824 (init_varasm_once): Initialize shared_constant_pool.
8825 * output.h (output_constant_pool): Delete.
8826 (output_shared_constant_pool): Declare.
8827 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8828 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8830 2006-03-06 Nick Clifton <nickc@redhat.com>
8832 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8833 flag_strength_reduce.
8835 2006-03-06 Ben Elliston <bje@au.ibm.com>
8837 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8838 x86_64-*-linux* configurations.
8840 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8841 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8843 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8845 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8847 * basic-block.h: Remove the extern for
8848 rediscover_loops_after_threading.
8850 * cfgloop.c (cancel_loop): Make it static.
8851 * cfgloop.h: Remove the prototype for cancel_loop.
8853 * flow.c (recompute_reg_usage): Make it static.
8854 * rtl.h: Remove the prototype for recompute_reg_usage.
8856 * function.c (use_return_register): Make it static.
8857 * function.h: Remove the prototype.
8859 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8861 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8863 * recog.h: Remove the prototype for
8864 validate_change_maybe_volatile.
8866 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8868 * rtlanal.c (replace_reg): Remove.
8869 * rtl.h: Remove the prototype for replace_reg.
8871 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8873 * regclass.c (reg_scan_update): Remove.
8874 (reg_scan_mark_refs): Remove the last argument.
8875 * rtl.h: Remove the prototype for reg_scan_update.
8877 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8879 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8880 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8881 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8882 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8883 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8884 loop-invariant.c, omp-low.c, opts.c, passes.c,
8885 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8886 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8887 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8888 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8889 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8890 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8892 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8894 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8895 * dwarf2out.h: Remove the prototype for
8896 dwarf2out_add_library_unit_info.
8898 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8900 * tree.c (add_var_to_bind_expr): Remove.
8901 * tree.h: Remove the prototype for add_var_to_bind_expr.
8903 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8905 * regclass.c (n_non_fixed_regs): Remove.
8906 (init_reg_sets_1, globalize_reg): Remove all uses of
8908 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8910 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8912 * rtlanal.c (insns_safe_to_move_p): Remove.
8913 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8915 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8917 * expmed.c (expand_mult_add): Remove.
8918 * expr.h: Remove the prototype for expand_mult_add.
8920 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8922 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8923 and REG_SAVED_VAL_EXP constants.
8924 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8925 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8926 Handle regs stored by value.
8927 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8928 (execute_cfa_program): Handle DW_CFA_val_offset,
8929 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8930 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8931 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8932 (uw_install_context_1): Handle target regs stored by value.
8934 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8936 * tree-sra.c (tree_sra): Return todoflags;
8937 (generate_one_element): Set TODO_update_smt_usage if needed.
8938 (pass_sra): Remove TODO_update_smt_usage.
8939 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8941 (tree_ssa_forward_propagate_single_use_vars): Return
8942 TODO_update_smt_usage if we need to update SMT usage.
8943 (pass_forwprop): Remove TODO_update_smt_usage.
8945 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8947 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8948 (correct_use_link): Remove reference to get_stmt_operands.
8949 (update_stmt_operands): Likewise.
8950 (get_modify_expr_operands): New function factored out of
8951 parse_ssa_operands and get_expr_operands.
8952 Try to create V_MUST_DEFs for LHS by default.
8953 (get_expr_operands) <case MODIFY_EXPR>: Call
8954 get_modify_expr_operands.
8955 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8956 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8957 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8958 get_modify_expr_operands.
8960 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8962 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8963 * tree-flow.h: Remove the prototype for
8964 referenced_var_lookup_if_exists.
8966 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8968 PR rtl-optimization/26345
8970 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8972 2006-03-03 Roger Sayle <roger@eyesopen.com>
8974 PR tree-optimization/26524
8975 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8976 fold_convert to create a constant of the appropriate type.
8978 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8980 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8981 SYMBOL_REF_IN_BLOCK_P.
8982 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8983 of SYMBOL_FLAG_IN_BLOCK.
8984 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8985 instead of SYMBOL_REF_IN_BLOCK_P.
8986 * explow.c (use_anchored_address): Likewise.
8987 * rtl.c (rtx_size): Likewise.
8988 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8989 instead of SYMBOL_FLAG_IN_BLOCK.
8990 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8991 SYMBOL_REF_IN_BLOCK_P.
8992 (assemble_variable): Likewise.
8993 (output_constant_def_contents): Likewise.
8994 (output_constant_pool): Likewise.
8995 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8996 instead of SYMBOL_FLAG_IN_BLOCK.
8997 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8998 SYMBOL_REF_IN_BLOCK_P.
8999 (SYMBOL_REF_BLOCK): Likewise.
9000 (SYMBOL_REF_OFFSET): Likewise.
9001 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9002 SYMBOL_REF_IN_BLOCK_P.
9003 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9004 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9005 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9006 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9008 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9010 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9012 2006-03-02 Roger Sayle <roger@eyesopen.com>
9014 * simplify-rtx.c (simplify_unary_operation): When simplifying
9015 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9016 that we perform the right shift in the appropriate mode, and
9017 then extend or truncate the result to requested mode.
9019 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9021 * gengtype.c (main): Handle double_int type.
9022 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9023 * double-int.c: New file.
9024 * double-int.h: New file.
9025 * system.h: Include doubleint.h.
9026 * Makefile.in (SYSTEM_H): Include double-int.h.
9027 (double-int.o): Add.
9029 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9032 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9035 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9037 * tree-vrp.c (remove_range_assertions): Do not update statements
9040 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9042 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9044 * gcse.c (rest_of_handle_gcse): Ditto.
9045 * except.c (gate_handle_eh): Ditto.
9046 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9047 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9049 2006-03-02 Eric Christopher <echristo@apple.com>
9051 * config/i386/i386.c (machopic_output_stub): Add indirection to
9054 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9058 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9060 Sun Niagara specific optimizations.
9061 * config.gcc: Recognize niagara as target.
9062 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9063 (TARGET_CPU_niagara): Define.
9064 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9065 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9066 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9067 (ASM_CPU_SPEC): Likewise.
9068 (PROCESSOR_NIAGARA): New enum entry.
9069 (REGISTER_MOVE_COST): Handle Niagara.
9070 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9071 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9072 (sparc_override_options): Recognize "niagara", set appropriate
9073 default MASK_* values for it, and align functions to 32-bytes
9074 by default just like ULTRASPARC/ULTRASPARC3.
9075 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9076 (sparc64_initialize_trampoline): Likewise.
9077 (sparc_use_sched_lookahead): Use zero for niagara.
9078 (sparc_issue_rate): Use one for niagara.
9079 * config/sparc/niagara.md: New file.
9080 * config/sparc/sparc.md: Include it.
9081 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9082 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9083 when default cpu is niagara.
9084 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9085 (ASM_CPU_SPEC): Likewise.
9086 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9087 when default cpu is niagara.
9088 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9089 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9090 just like v9/ultrasparc/ultrasparc3.
9091 * doc/invoke.texi: Add documentation for "niagara" and improve
9092 existing documentation for ultrasparc variants.
9094 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9096 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9098 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9100 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9101 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9102 and say that only one is needed.
9103 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9104 * target.h (have_switchable_bss_sections): New hook.
9105 * explow.c (use_anchored_address): Check that the symbol is in a block.
9106 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9107 (bss_noswitch_section): New variables.
9108 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9109 (get_noswitch_section): New function.
9110 (get_block_for_section): Allow SECT to be null.
9111 (unlikely_text_section_p): Use SECTION_STYLE.
9112 (bss_initializer_p): New function.
9113 (get_variable_section): Move earlier in file. Take a new argument,
9114 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9115 Return one of the new *_sections in such cases.
9116 (get_block_for_decl): New function, extracting some logic from
9117 use_blocks_for_decl_p.
9118 (change_symbol_section): Remove in favor of...
9119 (change_symbol_block): ...this new function.
9120 (use_blocks_for_decl_p): Remove checks now performed by
9122 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9123 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9124 (emit_local, emit_bss, emit_common): ...these new functions.
9125 Return true if the alignment was honored.
9126 (emit_tls_common): New function.
9127 (asm_emit_uninitialised): Delete.
9128 (assemble_variable_noswitch): New function, split out from...
9129 (assemble_variable): ...here. Don't make decisions about common
9130 variables here. Globalize all public decls that go into non-common
9131 sections. Check whether SYMBOL_REF_BLOCK is null.
9132 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9133 (output_constant_pool): Likewise.
9134 (init_varasm_once): Initialize the new section variables.
9135 (have_global_bss_p): New function.
9136 (categorize_decl_for_section): Use bss_initializer_p.
9137 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9138 (place_block_symbol): Assert that the symbol must be in a block.
9139 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9140 (TARGET_INITIALIZER): Include it.
9141 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9142 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9143 (SECTION_MACH_DEP): Bump by two.
9144 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9145 (unnamed_section): Mention SECTION_UNNAMED in comment.
9146 (named_section): Likewise SECTION_NAMED.
9147 (noswitch_section_callback): New type.
9148 (noswitch_section): New structure.
9149 (section): Add a noswitch_section alternative.
9150 (SECTION_STYLE): New macro.
9151 (tls_comm_section, comm_section, lcomm_section): Declare.
9152 (bss_noswitch_section, have_global_bss_p): Declare.
9153 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9154 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9156 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9157 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9160 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9162 * tree-vrp.c (execute_vrp): Return value.
9163 * regrename.c (rest_of_handle_regrename): Ditto.
9164 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9165 * tree-complex.c (tree_lower_complex): Ditto.
9166 (tree_lower_complex_O0): Ditto.
9167 * tracer.c (rest_of_handle_tracer): Ditto.
9168 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9169 * postreload.c (rest_of_handle_postreload): Ditto.
9170 * tree-tailcall.c (execute_tail_recursion): Ditto.
9171 (execute_tail_calls): Ditto.
9172 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9173 * tree.h (init_function_for_compilation): Ditto.
9174 * ipa-cp.c (ipcp_driver): Ditto.
9175 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9176 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9177 * final.c (compute_alignments): Ditto.
9178 (rest_of_handle_final): Ditto.
9179 (rest_of_handle_shorten_branches): Ditto.
9180 (rest_of_clean_state): Ditto.
9181 * omp-low.c (execute_expand_omp): Ditto.
9182 (execute_lower_omp): Ditto.
9183 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9184 * ipa-reference.c (static_execute): Ditto.
9185 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9186 * reorg.c (rest_of_handle_delay_slots): Ditto.
9187 (rest_of_handle_machine_reorg): Ditto.
9188 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9189 * flow.c (recompute_reg_usage): Ditto.
9190 (rest_of_handle_remove_death_notes): Ditto.
9191 (rest_of_handle_life): Ditto.
9192 (rest_of_handle_flow2): Ditto.
9193 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9194 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9195 (do_ssa_store_ccp): Ditto.
9196 (execute_fold_all_builtins): Ditto.
9197 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9198 * modulo-sched.c (rest_of_handle_sms): Ditto.
9199 * ipa-pure-const.c (static_execute): Ditto.
9200 * cse.c (rest_of_handle_cse): Ditto.
9201 (rest_of_handle_cse2): Ditto.
9202 * web.c (rest_of_handle_web): Ditto.
9203 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9204 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9205 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9206 * tree-nrv.c (tree_nrv): Ditto.
9207 (execute_return_slot_opt): Ditto.
9208 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9209 (create_structure_vars): Ditto.
9210 * loop-init.c (rtl_loop_init): Ditto.
9211 (rtl_loop_done): Ditto.
9212 (rtl_move_loop_invariants): Ditto.
9213 (rtl_unswitch): Ditto.
9214 (rtl_unroll_and_peel_loops): Ditto.
9215 (rtl_doloop): Ditto.
9216 * gimple-low.c (lower_function_body): Ditto.
9217 (mark_used_blocks): Ditto.
9218 * tree-ssa-sink.c (execute_sink_code): Ditto.
9219 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9220 (cgraph_early_inlining): Ditto.
9221 * global.c (rest_of_handle_global_alloc): Ditto.
9222 * jump.c (cleanup_barriers): Ditto.
9223 (purge_line_number_notes): Ditto.
9224 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9225 (rest_of_handle_if_after_reload): Ditto.
9226 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9227 (tree_ssa_loop_im): Ditto.
9228 (tree_ssa_loop_unswitch): Ditto.
9229 (tree_vectorize): Ditto.
9230 (tree_linear_transform): Ditto.
9231 (tree_ssa_loop_ivcanon): Ditto.
9232 (tree_ssa_empty_loop): Ditto.
9233 (tree_ssa_loop_bounds): Ditto.
9234 (tree_complete_unroll): Ditto.
9235 (tree_ssa_loop_prefetch): Ditto.
9236 (tree_ssa_loop_ivopts): Ditto.
9237 (tree_ssa_loop_done): Ditto.
9238 * predict.c (tree_estimate_probability): Ditto.
9239 * recog.c (split_all_insns_noflow): Ditto.
9240 (rest_of_handle_peephole2): Ditto.
9241 (rest_of_handle_split_all_insns): Ditto.
9242 * tree-eh.c (lower_eh_constructs): Ditto.
9243 * regmove.c (rest_of_handle_regmove): Ditto.
9244 (rest_of_handle_stack_adjustments): Ditto.
9245 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9246 * function.c (instantiate_virtual_regs): Ditto.
9247 (init_function_for_compilation): Ditto.
9248 (rest_of_handle_check_leaf_regs): Ditto.
9249 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9250 (rest_of_handle_gcse): Ditto.
9251 * ipa-type-escape.c (type_escape_execute): Ditto.
9252 * alias.c (rest_of_handle_cfg): Ditto.
9253 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9254 * profile.c (rest_of_handle_branch_prob): Ditto.
9255 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9256 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9257 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9258 * tree-dfa.c (find_referenced_vars): Ditto.
9259 * except.c (set_nothrow_function_flags): Ditto.
9260 (convert_to_eh_region_ranges): Ditto.
9261 (rest_of_handle_eh): Ditto.
9262 * emit-rtl.c (unshare_all_rtl): Ditto.
9263 (remove_unnecessary_notes): Ditto.
9264 * except.h (set_nothrow_function_flags): Ditto.
9265 (convert_to_eh_region_ranges): Ditto.
9266 * cfgexpand.c (tree_expand_cfg): Ditto.
9267 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9268 * tree-ssa-pre.c (do_pre): Ditto.
9269 (execute_fre): Ditto.
9270 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9271 (rest_of_handle_jump2): Ditto.
9272 * tree-sra.c (tree_sra): Ditto.
9273 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9274 (execute_mudflap_function_decls): Ditto.
9275 * tree-ssa-copy.c (do_copy_prop): Ditto.
9276 (do_store_copy_prop): Ditto.
9277 * ipa-prop.h (ipcp_driver): Ditto.
9278 * cfglayout.c (insn_locators_initialize): Ditto.
9279 * tree-ssa-forwprop.c
9280 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9281 * cfglayout.h (insn_locators_initialize): Ditto.
9282 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9283 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9284 (execute_late_warn_uninitialized): Ditto.
9285 * rtl.h (cleanup_barriers): Ditto.
9286 (split_all_insns_noflow): Ditto.
9287 (purge_line_number_notes): Ditto.
9288 (unshare_all_rtl): Ditto.
9289 (remove_unnecessary_notes): Ditto.
9290 (recompute_reg_usage): Ditto.
9291 (variable_tracking_main): Ditto.
9292 * integrate.c (emit_initial_value_sets): Ditto.
9293 * integrate.h (emit_initial_value_sets): Ditto.
9294 * tree-optimize.c (execute_free_datastructures): Ditto
9295 (execute_free_cfg_annotations): Ditto.
9296 (execute_fixup_cfg): Ditto.
9297 (execute_cleanup_cfg_pre_ipa): Ditto.
9298 (execute_cleanup_cfg_post_optimizing): Ditto.
9299 (execute_init_datastructures): Ditto.
9300 * tree-object-size.c (compute_object_sizes): Ditto.
9301 * combine.c (rest_of_handle_combine): Ditto.
9302 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9303 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9304 (rest_of_handle_reorder_blocks): Ditto.
9305 (rest_of_handle_partition_blocks): Ditto.
9306 * var-tracking.c (variable_tracking_main): Ditto.
9307 * tree-profile.c (tree_profiling): Ditto.
9308 * tree-vect-generic.c (expand_vector_operations): Ditto.
9309 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9310 * sched-rgn.c (rest_of_handle_sched): Ditto.
9311 (rest_of_handle_sched2): Ditto.
9312 * basic-block.h (free_bb_insn): Ditto.
9313 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9314 * tree-cfg.c (execute_build_cfg): Ditto.
9315 (remove_useless_stmts): Ditto.
9316 (split_critical_edges): Ditto.
9317 (execute_warn_function_return): Ditto.
9318 (execute_warn_function_noreturn): Ditto.
9319 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9320 * cfgrtl.c (free_bb_for_insn): Ditto.
9321 * passes.c (execute_one_pass): Run additional
9322 todos returned by execute function.
9323 * tree-pass.h (struct tree_opt_pass): Make execute
9326 2006-03-02 Richard Guenther <rguenther@suse.de>
9328 * tree-ssa-alias.c (find_used_portions): Consider taking
9329 the address as making the variable not write-only.
9331 2006-03-02 Nick Clifton <nickc@redhat.com>
9333 * config.gcc (default_use_cxa_atexit): Extend the description of
9334 this configure variable. Set its default value to "yes" for
9335 Linux, NetBSD and ELF targets on the assumption that they will
9336 use C libraries with the __cxa_atexit function.
9338 2006-03-02 Ben Elliston <bje@au.ibm.com>
9340 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9341 parameter as unused to suppress a build warning.
9343 2006-03-02 Ben Elliston <bje@au.ibm.com>
9345 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9348 2006-03-01 Roger Sayle <roger@eyesopen.com>
9351 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9352 declared name, the weak reference name, and the typeof name.
9353 (__gthrw): Avoid expanding the declared name suffix.
9354 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9356 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9358 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9360 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9361 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9362 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9363 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9364 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9365 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9366 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9367 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9368 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9369 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9370 (DW_END_default, DW_END_big, DW_END_little): New.
9371 (DW_END_lo_user, DW_END_hi_user): Define.
9372 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9373 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9374 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9377 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9379 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9381 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9383 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9385 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9387 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9388 to 'symbol_mem_tag'.
9390 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9393 2006-03-01 Roger Sayle <roger@eyesopen.com>
9395 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9397 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9400 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9401 MACHO_DYNAMIC_NO_PIC_P.
9402 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9404 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9407 * config/darwin-protos.h (darwin_asm_output_anchor):
9409 * config/darwin-sections.def (cstring_section):
9410 Add SECTION_MERGE to the flags.
9411 (literal4_section): Likewise.
9412 (literal8_section): Likewise.
9413 (objc_selector_refs_section): Likewise.
9414 (objc_cls_refs_section): Likewise.
9415 * config/darwin.c (darwin_asm_output_anchor): New
9417 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9419 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9421 Fix PR tree-optimization/26443
9422 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9423 to todo and PROP_tmt_usage to properties_destroyed.
9424 * tree-ssa-ccp.c (pass_ccp): Ditto.
9425 (pass_store_ccp): Ditto.
9426 * tree-ssa-dom.c (pass_dominator): Ditto.
9428 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9430 * tree-ssa-operands.c: Cleanup whitespace.
9431 (get_asm_expr_operands): Move before first invocation.
9432 (get_indirect_ref_operands): Likewise.
9433 (get_tmr_operands): Likewise.
9434 (get_call_expr_operands): Likewise.
9435 (append_def): Likewise.
9436 (append_use): Likewise.
9437 (append_v_may_def): Likewise.
9438 (append_v_must_def): Likewise.
9439 (add_call_clobber_ops): Likewise.
9440 (add_call_read_ops): Likewise.
9441 (add_stmt_operand): Likewise.
9442 (add_virtual_operand): Likewise.
9443 (build_ssa_operands): Likewise.
9445 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9450 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9451 with a call expr to ...
9452 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9454 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9456 * tree-vrp.c (extract_range_from_assert): Remove special
9457 handling for types with super-types.
9459 2006-03-01 Ben Elliston <bje@au.ibm.com>
9461 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9462 and powerpc64-*-linux* configurations.
9463 * config/t-dfprules: New file.
9465 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9466 Compile dfp-bit.c from the source directory using -DWIDTH and
9467 $DFP_CFLAGS to control the compilation of that file, rather than
9468 generating width-specific versions in the build directory.
9469 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9470 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9472 2006-02-28 Zack Weinberg <zackw@panix.com>
9474 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9477 2006-02-28 Eric Christopher <echristo@apple.com>
9479 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9480 Set up IN_LIBGCC definition of TARGET_64BIT.
9481 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9483 2006-02-28 Roger Sayle <roger@eyesopen.com>
9486 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9487 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9488 cases via the construction of "expr != 0".
9490 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9492 * alias.c (alias_invariant, alias_invariant_size): Remove.
9493 (record_base_value): Remove.
9494 (memrefs_conflict_p): Don't look at alias_invariant.
9495 (end_alias_analysis): Don't free it.
9496 * alias.h (record_base_value): Remove prototype.
9498 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9499 Adam Nemet <anemet@caviumnetworks.com>
9501 * rtl.h (truncated_to_mode): Declare it.
9502 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9503 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9504 (RTL_HOOKS_INITIALIZER): Include it.
9505 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9506 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9507 reg_truncated_to_mode.
9508 * rtlanal.c (truncated_to_mode): Define it.
9509 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9511 2006-02-28 Jeff Law <law@redhat.com>
9513 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9514 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9515 the range allowed by TYPE_PRECISION.
9517 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9519 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9521 PR tree-optimization/26419
9522 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9525 2006-02-27 Zack Weinberg <zackw@panix.com>
9527 * doc/md.texi: Fix typo in previous change.
9529 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9533 2006-02-27 Zack Weinberg <zackw@panix.com>
9535 * rtl.def (define_constraint, define_register_constraint)
9536 (define_memory_constraint, define_address_constraint): New MD forms.
9537 * gensupport.c (process_rtx): Put define_constraint etc on the
9539 * genpreds.c (process_define_predicate): Adjust comment. Validate
9540 the name, and call validate_exp to validate the expression.
9541 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9542 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9543 all callers changed.
9544 (validate_exp, needs_variable, struct constraint_data)
9545 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9546 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9547 (const_dbl_constraints, constraint_max_namelen)
9548 (have_register_constraints, have_memory_constraints)
9549 (have_address_constraints, have_address_constraints)
9550 (have_extra_constraints, have_const_int_constraints)
9551 (have_const_dbl_constraints, mangle, add_constraint)
9552 (process_define_constraint, process_define_register_constraint)
9553 (write_enum_constraint_num, write_lookup_constraint)
9554 (write_insn_constraint_len, write_regclass_for_constraint)
9555 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9556 (write_insn_extra_memory_constraint)
9557 (write_insn_extra_address_constraint)
9558 (write_satisfies_constraint_fns): New.
9559 (write_tm_preds_h): If we have new-style constraint definitions,
9560 prototype the functions generated from them, and define the
9561 old constraint interface (still used by generic code) in terms of
9563 (write_insn_preds_c): If we have new-style constraint definitions,
9564 generate all relevant functions from those definitions.
9565 (main): Handle define_constraint etc.
9566 * genoutput.c (struct constraint_data, indep_constraints)
9567 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9568 (mdep_constraint_len): New data structures and functions, defined
9569 #ifdef USE_MD_CONSTRAINTS.
9570 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9571 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9572 use new logic to validate operand constraints against constraint
9574 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9576 * defaults.h: If none of the old-style constraint macros are
9577 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9578 old-style macros; and poison REG_CLASS_FROM_LETTER,
9579 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9581 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9582 * doc/md.texi: Document new constraint-definition mechanism and the
9583 C interface it provides. Remove references to old mechanism
9584 elsewhere in the document.
9585 (Machine Constraints): Use pathnames relative to gcc directory,
9586 i.e. config/ARCH/FILE. Change i386 section to refer to
9587 config/i386/predicates.md; update that section to match docstrings.
9588 * doc/tm.texi: Move all documentation of the old constraint-
9589 definition macros to their own section, clearly mark as obsolete.
9591 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9592 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9594 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9595 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9596 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9598 (splits and peepholes): Use satisfies_constraint_*.
9599 * config/i386/i386.c (memory_address_length)
9600 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9602 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9604 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9605 scalar operation to be put back into the loop.
9607 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9610 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9611 (extract_cie_info): Handle S flag in augmentation string.
9612 (execute_cfa_program): If context->signal_frame, execute also
9613 fs->pc == context->ra instructions.
9614 (uw_frame_state_for): If context->signal_frame, don't subtract one
9615 from context->ra to find FDE.
9616 (uw_update_context_1): Set context->signal_frame to
9618 (_Unwind_GetIPInfo): New function.
9619 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9620 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9622 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9623 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9624 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9625 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9626 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9627 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9628 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9629 x86_64_fallback_frame_state): Set fs->signal_frame.
9630 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9631 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9632 (frob_update_context): Likewise. Workaround missing S flag in
9633 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9634 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9635 Remove the psw_addr + 1 hack.
9637 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9639 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9640 with aggregates here.
9641 (find_func_aliases): Remove code for &<aggregate> from here.
9643 2006-02-26 Roger Sayle <roger@eyesopen.com>
9645 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9646 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9647 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9650 2006-02-26 Roger Sayle <roger@eyesopen.com>
9653 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9655 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9657 * opts.c (decode_options): Do not handle flag_strength_reduce.
9658 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9659 and OPT_fstrength_reduce.
9660 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9661 flag_prefetch_loop_arrays for being nonzero.
9662 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9664 (fprefetch-loop-arrays-rtl): Removed.
9665 (flag_prefetch_loop_arrays): Do not specify the value.
9667 * doc/passes.texi: Update documentation of loop optimizer
9669 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9670 -frerun-loop-opt): Remove.
9672 2006-02-26 Richard Guenther <rguenther@suse.de>
9674 PR tree-optimization/26421
9675 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9676 in function calls that are ADDR_EXPRs as using the whole structure.
9678 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9680 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9681 * tree-pass.h (pass_loop_optimize): Remove.
9682 * passes.c (pass_loop_optimize): Never run it.
9683 * toplev.c (backend_init): Don't call init_loop.
9684 * opts.c (flag_loop_optimize_set): Remove.
9685 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9686 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9687 the old RTL loop optimizer when profiling enabled.
9688 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9689 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9690 pre-headers for the sake of the old RTL loop optimizer.
9691 * Makefile.in: Remove all references to loop.o.
9693 * doc/invoke.texi: Remove all references to -floop-optimize
9694 and -frerun-loop-opt.
9696 2006-02-26 Zack Weinberg <zackw@panix.com>
9698 * doc/md.texi (Machine Constraints): Refer to all files with paths
9699 relative to gcc directory (i.e. config/CPU/file). Add missing
9700 @table @code ... @end table to M32C subsection.
9702 2006-02-26 Roger Sayle <roger@eyesopen.com>
9704 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9706 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9708 2006-02-26 Roger Sayle <roger@eyesopen.com>
9709 James A. Morrison <phython@gcc.gnu.org>
9712 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9713 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9714 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9715 signedness of the shift operation.
9717 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9719 PR tree-optimization/26359
9720 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9722 2006-02-25 Roger Sayle <roger@eyesopen.com>
9724 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9725 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9726 as X == 0, and some symmetry related transformations.
9727 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9729 2006-02-25 Roger Sayle <roger@eyesopen.com>
9732 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9733 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9734 symmetry related transformations. Fold (X^C1) == C2 as
9737 2006-02-25 Juergen Weigert <jw@suse.de>
9738 Richard Guenther <rguenther@suse.de>
9740 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9742 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9744 * combine.c (gen_lowpart_or_truncate): Call
9745 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9747 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9749 * doc/invoke.texi: Move -fopenmp description to "Options for
9751 Remove reference to -lgomp.
9753 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9755 * doc/install.texi: Require GNU tar version 1.14.
9757 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9759 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9760 * doc/invoke.texi (C++ Dialect Options): Document
9761 -fno-use-cxa-get-exception-ptr.
9762 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9763 * configure: Regenerate.
9764 * c.opt (fuse-cxa-get-exception-ptr): New.
9765 * c-opts.c (c_common_handle_option): Handle
9766 OPT_fuse_cxa_get_exception_ptr.
9767 * c-common.c (flag_use_cxa_atexit): Update documentation.
9768 (flag_use_cxa_get_exception_ptr): New.
9769 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9770 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9772 (C_COMMON_OVERRIDE_OPTIONS): New.
9774 2006-02-24 Roger Sayle <roger@eyesopen.com>
9777 * combine.c (try_combine): Explicitly check whether GET_CODE is
9778 a SET or a CLOBBER, instead on checking that it isn't a USE.
9780 2006-02-24 Roger Sayle <roger@eyesopen.com>
9782 * fold-const.c (fold_comparison): New subroutine of fold_binary
9783 containing transformations common to both the equality and
9784 ordering relational operators, factored out of fold_binary.
9785 (fold_binary): Separate out the equality operators (EQ_EXPR
9786 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9787 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9788 transformations common to both.
9789 (fold_div_compare): Fix latent bugs in the previously unreachable
9790 LT_EXPR and GE_EXPR cases.
9792 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9794 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9795 decl libname for clog to __clog on AIX.
9797 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9799 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9802 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9803 output traceback table for thunks. Localise rs6000_stack_info call.
9805 2006-02-23 Roger Sayle <roger@eyesopen.com>
9806 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9808 * gthr-posix.h (__gthrw): Fix typo in comment.
9810 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9812 * doc/cpp.texi (Character sets): Document that we do support
9813 input files to be in any character set.
9815 2006-02-23 Jeff Law <law@redhat.com>
9817 * tree.h (PHI_ARG_NONZERO): Remove.
9818 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9819 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9820 node to the new node.
9822 PR tree-optimization/26425
9823 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9824 min/max, then assume its varying.
9826 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9828 PR rtl-optimization/26316
9829 * rtlanal.c (enum may_trap_p_flags): New.
9830 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9831 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9832 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9833 (may_trap_after_code_motion_p): New function.
9834 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9835 (find_invariant_insn): Use may_trap_after_code_motion_p.
9836 * rtl.h (may_trap_after_code_motion_p): Declare.
9838 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9840 * emit-rtl.c (immed_double_const): Cleanup.
9842 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9844 Fix PR tree-optimization/26376
9845 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9848 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9851 * gimplify.c (omp_add_variable): Guard variable size decl test with
9852 DECL_SIZE (decl) check.
9854 2006-02-23 Richard Guenther <rguenther@suse.de>
9857 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9858 like aggregate types.
9860 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9862 * configure.ac: Add --with{,out}-long-double-128 configure option.
9863 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9864 * configure: Rebuilt.
9865 * config.in: Rebuilt.
9866 * doc/install.texi (Options specification): Document
9867 --with-long-double-128.
9869 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9870 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9871 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9872 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9874 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9876 * config/s390/s390.c (override_options): Handle
9877 TARGET_DEFAULT_LONG_DOUBLE_128.
9879 * config/alpha/alpha.c (override_options): Handle
9880 TARGET_DEFAULT_LONG_DOUBLE_128.
9882 * config/sparc/sparc.c (sparc_override_options): Handle
9883 TARGET_DEFAULT_LONG_DOUBLE_128.
9885 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9887 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9888 (real-install-headers-tar, real-install-headers-cpio)
9889 (real-install-headers-cp): New targets.
9891 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9893 * tree.h (variable_section): Delete.
9894 * varasm.c (variable_section): Delete.
9896 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9898 * install.texi: Add notes on install.texi2html.
9899 (Building in parallel): Do not use footnotes.
9901 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9904 * doc/install.texi (Configuration): Document --disable-libgomp.
9906 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9908 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9910 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9912 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9913 (vec_extractv2df_0_sse): New.
9915 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9917 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9918 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9919 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9920 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9921 to the result of the expression.
9922 (def_cfa_1): Adjust.
9923 (frame_pointer_cfa_offset): Rename to...
9924 (frame_pointer_fb_offset): ... this. Adjust all uses.
9925 (convert_cfa_to_loc_list): Rename to...
9926 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9927 Pass it on to build_cfa_loc.
9928 (compute_frame_pointer_to_cfa_displacement): Rename to...
9929 (compute_frame_pointer_to_fb_displacement): ... this. New
9930 offset parameter. Use it in computation.
9931 (gen_subprogram_die): Compute cfa_fb_offset with the new
9932 macro, and use it to compute the fb loc list and the
9935 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9937 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9938 replaced with register_operand.
9939 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9940 non-DREG is expensive.
9941 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9942 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9945 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9947 * doc/install.texi2html: Use set -e.
9949 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9951 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9952 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9953 * doc/invoke.texi (-fshared-data): Delete.
9954 * common.opt (fshared-data): Delete.
9955 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9956 (assemble_static_space): Remove #if 0 code.
9957 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9958 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9959 * config/cris/cris.h: Remove FIXME.
9961 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9963 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9966 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9969 * combine.c (simplify_shift_const_1): Disable nested shifts
9970 optimization for vector shifts.
9972 2006-02-20 Roger Sayle <roger@eyesopen.com>
9974 PR tree-optimization/26361
9975 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9976 of unsigned integer types.
9978 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9980 * tree-chrec.c (eq_evolutions_p): New.
9981 * tree-chrec.h (eq_evolutions_p): Declared.
9982 * tree-data-ref.c: Fix formatting.
9983 (datadep_stats, dependence_stats): New.
9985 (print_direction_vector): New.
9986 (dump_data_dependence_relation): Use print_direction_vector.
9987 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9988 (compute_subscript_distance): Static.
9989 (initialize_data_dependence_relation): Static. Get the number
9990 of loops surrounding the references from the callers, and initialize
9991 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9992 base_object_differ_p analyzers.
9993 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9994 compute_overlap_steps_for_affine_1_2,
9995 analyze_subscript_affine_affine): Count the classified dependences.
9996 Print a message when a test failed.
9997 (can_use_analyze_subscript_affine_affine): New.
9998 (analyze_siv_subscript): Compute the data dependences on symbolic
9999 scevs that verify can_use_analyze_subscript_affine_affine.
10000 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10001 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10002 Handle symbolic scevs.
10003 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10005 (subscript_dependence_tester): Moved...
10006 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10007 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10008 DDR_SIZE_VECT instead of getting it in parameter.
10009 (subscript_dependence_tester): ... here. Take as a parameter
10010 loop_nest_depth. Call build_classic_dist_vector and
10011 build_classic_dir_vector.
10012 (compute_affine_dependence): Update subscript_dependence_tester
10013 parameters. Update datadep_stats counters. Call
10014 compute_subscript_distance.
10015 (compute_self_dependence): Save the dist and dir vectors. Call
10016 compute_subscript_distance.
10017 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10018 (compute_all_dependences): Reorder parameters as they were before
10019 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10020 compute_subscript_distance. Update the use of
10021 compute_affine_dependence and initialize_data_dependence_relation.
10022 (find_data_references_in_loop): Handle COMPONENT_REF.
10023 (compute_data_dependences_for_loop): Initialize dependence_stats.
10024 Don't call build_classic_dist_vector and build_classic_dir_vector.
10025 Update the parameters of initialize_data_dependence_relation and
10026 compute_all_dependences. Print the statistics from datadep_stats.
10027 (analyze_all_data_dependences): Static. Not used until the pass for
10028 checking the data dependences is contributed.
10029 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10030 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10031 (initialize_data_dependence_relation, compute_affine_dependence,
10032 analyze_all_data_dependences, compute_subscript_distance): Removed.
10033 (print_direction_vector): New.
10034 * lambda.h (gcd): ... here.
10035 (lambda_vector_gcd): Moved here from gcd_vector.
10036 * lambda-code.c (gcd, gcd_vector): Removed.
10037 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10038 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10040 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10042 * ipa-type-escape.c: Tidy some comments and white space.
10043 * tree-ssa-operands.c: Likewise.
10045 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10048 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10049 (dump_decl_name): Do not walk the decl tree chains.
10050 * tree-pass.h (TDF_CHAIN): Remove.
10052 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10054 * Makefile.in (C): Remove
10056 (.PHONY): Remove C and PROTO
10058 2006-02-20 Roger Sayle <roger@eyesopen.com>
10060 PR middle-end/26236
10061 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10062 deprecated CHAR_TYPE tree code.
10064 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10066 * configure.ac (target_list): Add install-info, dvi, html.
10067 * configure: Regenerate.
10069 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10070 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10071 treelang/Make-lang.in: Do not use double-colon rules.
10073 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10075 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10076 (TMT_USED_ALONE): New macro.
10077 * tree-pass.h (PROP_tmt_usage): New property.
10078 (TODO_update_tmt_usage): New todo.
10079 * tree-ssa-alias.c (updating_used_alone): New variable.
10080 (recalculate_used_alone): New function.
10081 (compute_may_aliases): Set updating_used_alone, call
10082 recalculate_used_alone.
10083 * tree-sra.c (pass_sra): Note that this pass destroys
10084 PROP_tmt_usage, and add TODO_update_tmt_usage.
10085 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10086 * tree-flow.h (updating_used_alone): Prototype.
10087 (recalculate_used_alone): Ditto.
10088 * passes.c (execute_todo): Add code to set updating_used_alone,
10089 and call recalculate.
10090 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10091 for clobber if used alone, and add assert to verify used_alone
10094 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10096 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10097 for non tls symbols added.
10098 (legitimize_address): Do nothing for PLUS expressions if one of the
10099 addends is a tls symbol reference.
10101 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10105 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10107 * Makefile.in (BOOTSTRAPPING): New.
10108 (quickstrap): New definition if BOOTSTRAPPING=yes.
10110 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10111 * configure.ac: Substitute all_selected_languages with the languages
10112 that were configured. For all the other variables except
10113 lang_specs_files, include all the languages in the tree.
10114 * configure: Regenerate.
10116 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10117 if there is one. Run the commands to run fixincludes in the same
10120 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10121 * doc/install.texi: Document exact conventions for searching target tools.
10122 Document --with-build-time-tools. Document toplevel bootstrap. Document
10123 something more about building an Ada cross-compiler. Don't list GNU Make
10124 requirements which affect all platforms.
10126 2006-02-19 Roger Sayle <roger@eyesopen.com>
10128 PR middle-end/19543
10129 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10130 only equivalent if the have both the same mode and precision.
10132 2006-02-20 Ben Elliston <bje@au.ibm.com>
10134 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10136 2006-02-19 Roger Sayle <roger@eyesopen.com>
10137 Steven Bosscher <stevenb.gcc@gmail.com>
10139 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10140 constant pool references to identify stack mode constants.
10141 * rtlanal.c (constant_pool_constant_p): New predicate to check
10142 whether operand is a floating point constant in the pool.
10143 * rtl.h (constant_pool_constant_p): Prototype here.
10144 * loop.c (scan_loop): Avoid hoisting constants from the constant
10145 pool on STACK_REGS targets.
10146 (load_mems): Likewise.
10147 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10148 loads into x87 registers expensive in terms of register pressure.
10150 2006-02-19 Roger Sayle <roger@eyesopen.com>
10152 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10153 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10155 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10157 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10158 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10160 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10162 * doc/invoke.texi: Document -fipa-pta.
10163 * common.opt: Add ipa-pta option.
10164 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10165 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10166 (do_ds_constraint): Ditto.
10167 (get_constraint_for): Only add to referenced_vars if
10168 referenced_vars exists.
10169 (insert_into_field_list): Rewrite to do this unsorted.
10170 (insert_into_field_list_sorted): Rename old insert_into_field_list
10172 (create_function_info_for): Use insert_into_field_list_sorted.
10173 (create_variable_info_for): Rewrite so it uses unsorted version,
10174 since the field list is sorted.
10175 (intra_create_variable_infos): Only add to referenced_vars if
10176 referenced_vars exists.
10177 (ipa_pta_execute): Init heapvars, and delete when done.
10178 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10180 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10182 * doc/install.texi: Add missing `@samp'.
10184 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10186 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10189 2006-02-18 Mark Wielaard <mark@klomp.org>
10191 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10192 who added new 4.1 features, bug fixes and integration support.
10194 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10197 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10198 MEM for ABI_V4 pic.
10200 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10202 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10203 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10204 (copy_insn_1): Likewise. Don't copy each field individually.
10206 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10208 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10209 * rtl.c (rtx_size): Rename variable to...
10210 (rtx_code_size): ...this.
10211 (rtx_size): New function.
10212 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10213 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10215 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10216 * rtl.h (rtx_code_size): New variable.
10217 (rtx_size): Change from a variable to a function.
10218 (RTX_SIZE): Rename to...
10219 (RTX_CODE_SIZE): ...this.
10222 PR tree-optimization/17106
10223 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10224 (Anchored Addresses): New section.
10225 * doc/invoke.texi (-fsection-anchors): Document.
10226 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10227 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10228 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10229 * hooks.c (hook_bool_mode_rtx_false): New function.
10230 * hooks.h (hook_bool_mode_rtx_false): Declare.
10231 * gengtype.c (create_optional_field): New function.
10232 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10233 SYMBOL_REF_IN_BLOCK_P is true.
10234 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10235 (min_anchor_offset, max_anchor_offset): Likewise.
10236 (use_anchors_for_symbol_p): New hook.
10237 * toplev.c (compile_file): Call output_object_blocks.
10238 (target_supports_section_anchors_p): New function.
10239 (process_options): Check that -fsection-anchors is only used on
10240 targets that support it and when -funit-at-a-time is in effect.
10241 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10242 if the decl doesn't have one.
10243 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10244 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10245 of force_const_mem through use_anchored_address.
10246 (expand_expr_constant): New function.
10247 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10248 calling expand_expr for INDIRECT_REF.
10249 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10250 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10251 * expr.h (use_anchored_address): Declare.
10252 * loop-unroll.c: Don't declare rtx vectors here.
10253 * explow.c: Include output.h.
10254 (validize_mem): Call use_anchored_address.
10255 (use_anchored_address): New function.
10256 * common.opt (-fsection-anchors): New switch.
10257 * varasm.c (object_block_htab, anchor_labelno): New variables.
10258 (hash_section, object_block_entry_eq, object_block_entry_hash)
10259 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10260 (use_blocks_for_decl_p, change_symbol_section): New functions.
10261 (get_variable_section): New function, split out from assemble_variable.
10262 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10263 use_blocks_for_decl_p say so. Use change_symbol_section if the
10264 symbol has already been created.
10265 (assemble_variable_contents): New function, split out from...
10266 (assemble_variable): ...here. Don't output any code for
10267 block symbols; just pass them to place_block_symbol.
10268 Use get_variable_section and assemble_variable_contents.
10269 (get_constant_alignment, get_constant_section, get_constant_size): New
10270 functions, split from output_constant_def_contents.
10271 (build_constant_desc): Create a block symbol if use_object_blocks_p
10272 says so. Or into SYMBOL_REF_FLAGS.
10273 (assemble_constant_contents): New function, split from...
10274 (output_constant_def_contents): ...here. Don't output any code
10275 for block symbols; just pass them to place_section_symbol.
10276 Use get_constant_section and get_constant_alignment.
10277 (force_const_mem): Create a block symbol if use_object_blocks_p and
10278 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10279 (output_constant_pool_1): Add an explicit alignment argument.
10280 Don't switch sections here.
10281 (output_constant_pool): Adjust call to output_constant_pool_1.
10282 Switch sections here instead. Don't output anything for block symbols;
10283 just pass them to place_block_symbol.
10284 (init_varasm_once): Initialize object_block_htab.
10285 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10286 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10287 (place_block_symbol, get_section_anchor, output_object_block)
10288 (output_object_block_htab, output_object_blocks): New functions.
10289 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10290 (TARGET_ASM_OUT): Include it.
10291 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10292 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10293 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10294 (TARGET_INITIALIZER): Include them.
10295 * rtl.c (rtl_check_failed_block_symbol): New function.
10296 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10297 (block_symbol, object_block): New structures.
10298 (rtx_def): Add a block_symbol field to the union.
10299 (BLOCK_SYMBOL_CHECK): New macro.
10300 (rtl_check_failed_block_symbol): Declare.
10301 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10302 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10303 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10304 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10305 * output.h (output_section_symbols): Declare.
10306 (object_block): Name structure.
10307 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10308 (default_use_anchors_for_symbol_p): Declare.
10309 * Makefile.in (RTL_BASE_H): Add vec.h.
10310 (explow.o): Depend on output.h.
10311 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10312 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10313 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10314 (rs6000_use_blocks_for_constant_p): New function.
10316 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10318 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10320 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10323 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10326 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10328 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10332 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10334 PR middle-end/26334
10335 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10336 instead of DECL_REGISTER.
10338 2006-02-18 Olivier Hainque <hainque@adacore.com>
10341 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10343 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10346 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10347 * opth-gen.awk: Handle Var and InverseMask together.
10348 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10349 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10350 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10351 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10353 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10354 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10355 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10356 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10357 LINUX_DYNAMIC_LINKER): Define.
10358 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10359 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10361 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10362 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10363 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10364 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10365 (TARGET_C99_FUNCTIONS): Don't define.
10366 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10367 GLIBC_DYNAMIC_LINKER.
10368 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10369 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10370 GLIBC_DYNAMIC_LINKER64): Define.
10371 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10372 LINUX_DYNAMIC_LINKER64.
10373 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10374 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10375 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10376 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10377 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10378 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10379 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10380 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10381 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10382 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10383 and LINUX_DYNAMIC_LINKER32.
10384 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10385 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10386 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10387 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10388 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10390 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10391 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10392 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10393 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10394 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10395 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10396 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10397 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10398 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10399 LINUX_DYNAMIC_LINKER): Define.
10400 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10401 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10402 GLIBC_DYNAMIC_LINKER64): Define.
10403 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10404 LINUX_DYNAMIC_LINKER64.
10405 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10406 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10407 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10408 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10409 LINUX_DYNAMIC_LINKER): Define.
10410 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10411 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10412 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10413 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10414 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10415 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10416 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10417 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10418 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10419 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10420 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10421 * doc/invoke.texi (-muclibc): Remove caveat about supported
10424 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10426 * doc/cpp.texi (__TIMESTAMP__): Document.
10428 2006-02-17 Roger Sayle <roger@eyesopen.com>
10430 PR middle-end/25600
10431 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10432 C is one less than the width of X (and related transformations).
10433 * simplify-rtx.c (simplify_unary_operation_1): Transform
10434 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10435 depending on STORE_FLAG_VALUE, were C is one less then the
10438 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10440 Fix PR tree-optimization/26341
10441 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10442 about NAME_MEMORY_TAG's.
10444 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10447 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10448 with hardware float support, and software float support. Add fcpy
10449 alternative to hardware patterns. Add alternatives to copy between
10450 general and floating-point registers to the 32-bit pattern.
10451 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10452 secondary reload to load a QI or HI mode constant into a floating
10454 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10455 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10457 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10460 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10462 (load_macho_picbase_di): Likewise.
10464 2006-02-16 Jeff Law <law@redhat.com>
10466 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10467 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10468 (ssa_name_nonzero_p): Likewise.
10469 (get_value_range): Return NULL if VRP is not running.
10470 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10471 VRP routines do not discover a range.
10472 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10473 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10474 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10475 (tree_expr_nonnegative_p): Similarly.
10476 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10477 (restore_nonzero_vars_to_original_value): Remove.
10478 (unsafe_associative_fp_binop): Remove.
10479 (tree_ssa_dominator_optimize): Remove initialization and
10480 finalization of nonzero_vars and nonzero_vars_stack.
10481 (dom_opt_initialize_block): No longer push marker on
10482 nonzero_vars_stack.
10483 (dom_opt_finalize_block): No longer call
10484 restore_nonzero_vars_to_original_value.
10485 (record_equivalences_from_phis): No longer look for
10486 nonzero PHI arguments.
10487 (cprop_into_successor_phis): No longer propagate nonzero
10488 property into PHI arguments. Lose unused argument. Caller
10490 (record_equivalences_from_stmt): No longer record nonzero
10491 values for SSA_NAMEs.
10492 (lookup_avail_expr): No longer use nonzero_vars.
10494 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10495 for sizetype when sizetype is unsigned.
10497 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10499 PR rtl-optimization/25603
10500 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10501 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10502 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10503 with new meaning of SETS.
10505 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10510 * config/linux.opt: New file.
10511 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10512 LINUX_DYNAMIC_LINKER): Define.
10513 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10514 * config.gcc (*-*-linux*): Define extra_options.
10515 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10516 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10517 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10518 GLIBC_DYNAMIC_LINKER.
10519 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10520 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10521 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10522 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10523 * doc/invoke.texi (GNU/Linux Options): New section.
10525 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10527 * config/sparc/sparc.md (setjmp): Rewrite.
10528 (setjmp_32): Delete.
10529 (setjmp_64): Likewise.
10531 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10533 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10536 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10538 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10541 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10543 PR rtl-optimization/26296
10544 * Makefile.in (loop-invariant.c): Add except.h dependency.
10545 * loop-invariant.c: Include except.h.
10546 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10548 2005-02-16 Paul Brook <paul@codesourcery.com>
10550 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10553 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10555 PR rtl-optimization/25636
10556 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10557 when deciding whether an insn is an initializing insn.
10559 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10561 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10562 (tree_code_size): Ditto.
10563 * tree.h (struct tree_memory_tag): Remove parent_var.
10564 (struct tree_struct_field_tag): New.
10567 (union tree_node): Add sft member.
10568 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10570 (create_sft): Add size and offset argument, set SFT_OFFSET and
10572 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10573 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10574 * tree-flow-inline.h (get_subvar_at): Update for
10575 SFT_OFFSET/SFT_SIZE.
10576 (var_can_have_subvars): Ditto.
10577 (overlap_subvar): Ditto.
10578 * print-tree.c (print_node): Print out interesting things for
10580 * tree-flow.h (struct subvar): Remove offset and size members.
10581 * tree-ssa-operands.c (get_expr_operands): Update for
10582 get_indirect_ref_operands changes.
10583 (get_indirect_ref_operands): Call add_virtual_operand instead of
10584 add_stmt_operand. Only recurse on base var if requested.
10585 (access_can_touch_variable): New function.
10586 (add_stmt_operand): Split virtual operand handling into ...
10587 (add_virtual_operand): Here. Add offset, size, and for_clobber
10588 arguments. Prune alias sets.
10589 (add_call_clobber_ops): Call add_virtual_operand.
10591 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10593 PR middle-end/26300
10594 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10596 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10597 than TREE_CODE as index into omp_clause_num_ops array.
10599 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10601 PR rtl-optimization/26184
10602 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10604 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10605 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10606 must_precede, must_follow and tobe_scheduled.
10609 * opts.c (common_handle_option): Free new_option pointer.
10610 * df-core.c (df_analyze): Free postorder pointer.
10612 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10614 * Makefile.in: Fix the examples about the use of stamps
10616 2006-02-15 Michael Matz <matz@suse.de>
10618 PR middle-end/22275
10620 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10621 influenced by maximum_field_alignment or DECL_PACKED.
10622 (update_alignment_for_field): Ditto.
10623 (place_field): Ditto.
10624 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10627 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10629 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10630 (debug_flow_info): Pass it.
10631 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10632 * bb-reorder.c (reorder_basic_blocks): Likewise.
10633 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10634 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10635 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10636 * gcse.c (gcse_main, bypass_jumps): Likewise.
10637 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10638 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10639 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10640 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10641 * rtl.h (dump_flow_info): Adjust prototype.
10642 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10643 * var-tracking.c (variable_tracking_main): Likewise.
10644 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10645 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10648 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10650 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10653 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10655 PR tree-optimization/26209
10656 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10657 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10659 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10661 2006-02-14 Roger Sayle <roger@eyesopen.com>
10663 PR middle-end/23670
10664 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10665 (X,Y) and the corresponding symmetry related transformations.
10666 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10667 (X,Y) and its symmetry related transformations.
10669 2006-02-14 Roger Sayle <roger@eyesopen.com>
10671 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10674 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10676 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10678 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10681 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10682 support COMDAT group.
10683 * configure: Regenerate.
10685 2006-02-14 Roger Sayle <roger@eyesopen.com>
10687 PR middle-end/26279
10688 PR middle-end/26280
10689 PR middle-end/26283
10690 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10692 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10694 Fix PR tree-optimization/26260
10696 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10698 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10699 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10700 * tree-ssa-structalias.c (create_variable_info_for): Use
10701 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10703 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10705 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10707 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10708 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10709 of the ending condition.
10710 * tree-ssa-loop-manip.c: Include params.h.
10711 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10712 tree_unroll_loop): New functions.
10713 * tree-pass.h (pass_loop_prefetch): Declare.
10714 * loop.c (rest_of_handle_loop_optimize): Test for
10715 -fprefetch-loop-arrays-rtl.
10716 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10717 * timevar.def (TV_TREE_PREFETCH): New timevar.
10718 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10719 pass_loop_prefetch): New.
10720 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10721 (cleanup_tree_cfg_loop): Call scev_reset.
10722 * common.opt (fprefetch-loop-arrays-rtl): Add.
10723 * tree-ssa-loop-prefetch.c: New file.
10724 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10725 (new_temp_expr_table): Initialize expr_vars.
10726 (free_temp_expr_table): Cleanup expr_vars.
10727 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10728 expressions from being merged into one.
10729 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10730 (struct tree_niter_desc): Add control, bound and cmp fields.
10731 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10733 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10734 (tree-cfgcleanup.o): Add SCEV_H dependency.
10735 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10736 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10738 2006-02-14 Richard Guenther <rguenther@suse.de>
10740 PR tree-optimization/26258
10741 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10742 in PHI argument processing.
10744 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10746 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10747 new expression in the requested machine mode.
10749 2006-02-13 Roger Sayle <roger@eyesopen.com>
10751 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10752 directly, instead let do_compare_rtx_and_jump handle this for us.
10753 * expr.c (expand_expr_real_1): Likewise.
10754 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10755 before do_jump_by_parts_greater.
10756 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10757 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10759 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10761 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10763 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10765 PR rtl-optimization/26235
10766 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10767 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10770 2006-02-13 Jeff Law <law@redhat.com>
10772 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10775 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10777 PR middle-end/26092
10778 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10779 twice if decl is a builtin. When trying again, call get_callee_fndecl
10780 first to verify it is still a builtin.
10782 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10784 * dwarf2out.c (base_type_die): Don't add AT_name here.
10785 (subrange_type_die): Don't add AT_name here.
10786 (modified_type_die): Rearrange code flow. Do add AT_name here.
10788 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10790 PR rtl-optimization/26247
10791 PR rtl-optimization/26248
10792 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10794 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10796 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10797 * config/fixtfdi.c: Likewise.
10798 * config/fixunstfdi.c: Likewise.
10799 * config/floatditf.c: Likewise.
10801 2006-02-13 Roger Sayle <roger@eyesopen.com>
10803 PR middle-end/24427
10804 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10805 into (X,C2) if C1 is a subset of the bits of C2. Transform
10806 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10808 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10810 2006-02-13 Josh Conner <jconner@apple.com>
10813 * varasm.c (function_section): Check for section name before
10814 calling select_section on targets that define
10815 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10816 unlikely_text_section instead of hot_function_section if
10817 first_function_block_is_cold.
10819 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10821 PR middle-end/25335
10822 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10824 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10826 PR rtl-optimization/26222
10827 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10828 after tree->rtl expansion.
10829 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10830 before passing it to emit_move_insn.
10832 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10834 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10836 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10837 Clarify documentation.
10838 * c-common.h (warn_write_strings): Remove.
10839 * c-common.c (warn_write_strings): Likewise.
10840 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10843 2006-02-12 Roger Sayle <roger@eyesopen.com>
10845 PR middle-end/25724
10846 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10847 (do_jump_parts_zero_rtx): New function renamed from
10848 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10849 (do_jump_parts_equality_rtx): New function split out from
10850 do_jump_parts_equality. Old implementation renamed as above.
10851 Call do_jump_parts_zero_rtx if either operand is zero.
10852 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10853 do all of the heavy lifting.
10854 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10855 calling either do_jump_by_parts_greater_rtx or
10856 do_jump_by_parts_equality_rtx.
10857 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10858 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10859 moved to do_compare_rtx_and_jump, call it directly.
10860 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10861 mode argument. Call do_compare_rtx_and_jump.
10862 (emit_case_nodes): Update calls to do_jump_if_equal.
10864 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10866 PR rtl-optimization/26225
10867 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10869 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10871 PR rtl-optimization/26232
10872 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10874 2006-02-11 Jason Merrill <jason@redhat.com>
10877 * tree-inline.c (declare_return_variable): Just don't use the
10878 modify target if it's a gimple complex reg and the return slot
10881 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10883 * doc/contrib.texi: Update my entry.
10885 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10887 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10889 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10891 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10894 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10896 * doc/invoke.texi (-floop-optimize2): Removed.
10897 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10898 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10899 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10900 * common.opt (floop-optimize2): Removed.
10901 (fmove-loop-invariants): Enabled by default.
10903 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10905 * tree-if-conv.c (combine_blocks): Free the result of
10906 get_loop_exit_edges.
10908 2006-02-10 Jeff Law <law@redhat.com>
10910 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10912 PR tree-optimization/26213
10913 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10914 loop trying to follow SSA_NAME_VALUE chains.
10916 2006-02-10 Richard Guenther <rguenther@suse.de>
10918 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10919 deal with structures that end in implicitly variable sized arrays.
10921 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10923 PR rtl-optimization/24762
10924 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10927 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10929 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10930 (struct ivopts_data): Add regs_used field.
10931 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10932 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10933 instead of loop_data->regs_used;
10934 (free_loop_data): Do not free aux fields for loops.
10935 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10936 and tree_ssa_iv_optimize_finalize.
10938 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10940 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10942 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10945 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10946 computing the effective result type.
10948 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10950 PR inline-asm/16194
10951 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10952 (tree_overlaps_hard_reg_set): Declare.
10953 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10954 type and signature to match function type expected by walk_tree.
10955 (tree_overlaps_hard_reg_set): New function.
10956 (decl_conflicts_with_clobbers_p): Rename to:
10957 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10958 Use tree_overlaps_hard_reg_set. Changed caller.
10959 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10960 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10961 * cris.c (cris_md_asm_clobbers): Likewise.
10963 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10965 * reload1.c (emit_input_reload_insns): Delete code that tries to
10966 inherit using find_equiv_reg.
10968 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10970 * c-common.h (flag_const_strings): Don't declare.
10971 * c-common.c (flag_const_strings): Remove.
10972 * c.opt (fconst_strings): Remove.
10973 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10974 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10975 (c_common_init_options): Don't set flag_const_strings.
10976 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10978 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10980 * arm.md (tlobits_cbranch): New pattern.
10981 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10982 testing a single bit.
10984 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10987 * tree-ssa-pre.c (create_component_ref_by_pieces):
10988 Handle RETURN_DECL like VAR_DECL.
10990 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10992 PR middle-end/26134
10993 * fold-const.c (fold_indirect_ref_1): Fold
10994 "*(foo *)&complexfoo" to "__real__ complexfoo"
10995 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10997 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10999 * tree-flow-inline.h (var_can_have_subvars):
11000 Volatile variables should not have subvariables.
11002 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11005 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11006 multiplying unsigned values.
11009 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11011 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11013 2006-02-08 Jason Merrill <jason@redhat.com>
11016 * tree.def: Elaborate on difference from MODIFY_EXPR.
11017 * doc/c-tree.texi (INIT_EXPR): Likewise.
11018 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11019 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11020 (gimplify_target_expr): Likewise.
11021 (gimplify_cond_expr): Remove target handling.
11022 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11023 (gimplify_expr): Clobber it here.
11024 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11025 Do return slot optimization if we have an INIT_EXPR.
11028 * tree-inline.c (declare_return_variable): Also clear
11029 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11032 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11034 PR middle-end/22439
11035 * gimplify.c (gimplify_one_sizepos): Fix typo.
11037 2006-02-08 Jeff Law <law@redhat.com>
11039 PR tree-optimization/21417
11040 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11041 across a backedge if the control statement at the end of the
11042 block is data dependent on other statements in the same block.
11043 (record_temporary_equivalences_from_stmts): Remove over-conservative
11044 test for threading across backedges.
11046 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11047 control statement, handle all three special cases in the same
11048 manner as they all have the same desired solution. No longer
11049 special case edge flag updating when the post dominator is
11052 2006-02-08 Roger Sayle <roger@eyesopen.com>
11054 * tree.def (CHAR_TYPE): Remove.
11055 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11056 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11057 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11058 (gen_string_type_die): Delete unreachable function.
11060 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11061 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11062 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11063 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11064 * builtins.c (type_to_class): Likewise.
11065 * fold-const.c (fold_convert, build_range_check,
11066 merge_ranges): Likewise.
11067 * expr.c (count_type_elements): Likewise.
11068 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11069 * stor-layout.c (layout_type): Likewise.
11070 * ipa-type-escape.c (type_to_consider): Likewise.
11071 * gimplify.c (omp_firstprivatize_type_sizes,
11072 gimplify_type_sizes): Likewise.
11073 * explow.c (promote_mode): Likewise.
11074 * tree-sra.c (is_sra_scalar_type): Likewise.
11075 * varasm.c (output_constant): Likewise.
11076 * tree-inline.c (remap_type_1): Likewise.
11077 * convert.c (convert_to_pointer, convert_to_real,
11078 convert_to_integer, convert_to_complex): Likewise.
11080 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11082 * df-scan.c (df_def_record_1): A set destination may
11083 be a parallel regardless of mode.
11085 2006-02-08 Roger Sayle <roger@eyesopen.com>
11088 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11089 * config/mips/_tilib.c: Remove.
11090 * config/fixtfdi.c: New libgcc source file.
11091 * config/fixunstfdi.c: New source file.
11092 * config/floatditf.c: New source file.
11093 * config/floatunditf.c: New souce file.
11094 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11095 files above instead of config/mips/_tilib.c.
11096 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11098 2006-02-08 Jeff Law <law@redhat.com>
11100 PR tree-optimization/26169
11101 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11104 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11106 * df.h (DF_REG_SIZE): Return the length of the initialized
11109 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11111 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11112 __muldf3): Return a correctly signed zero.
11114 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11116 * passes.c (register_one_dump_file): Accept the current properties
11117 instead of pass number. Adjust call to dump_register. Remove
11119 (register_dump_files): Now a wrapper around...
11120 (register_dump_files_1): ... this one. Do not modify the pass
11122 (next_pass_1): Cosmetic fix.
11123 (execute_todo): Keep second parameter only. Use curr_properties
11124 instead of fetching it from the pass structure. Check and set
11126 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11127 instead of fetching it from the pass structure. Fix calls to
11128 execute_todo. Update curr_properties and initialize .vcg RTL dump
11129 after running the pass. Reset last_verified.
11130 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11132 (FIRST_AUTO_NUMBERED_DUMP): New.
11133 (dump_register): Remove "num" parameter, assign it within the
11135 (get_dump_file_name): Modify template for dumps.
11136 * tree-dump.h (dump_register): Adjust prototype.
11137 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11138 (PROP_trees): Add PROP_gimple_lomp.
11139 (TODO_set_props): New.
11140 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11141 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11142 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11144 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11146 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11147 (sparc64-*-linux*): Likewise.
11148 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11149 * config/sparc/t-linux: New file.
11150 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11151 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11152 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11153 -m32 -mlong-double-128.
11155 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11156 * config/alpha/t-linux: New file.
11157 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11159 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11160 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11161 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11162 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11163 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11164 (CPP_ARCH32_SPEC): Remove.
11166 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11168 PR tree-optimization/26145
11169 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11172 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11175 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11176 >= 240000 when generating code for SOM runtime.
11177 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11178 to $$dyncall when generating code for SOM runtime..
11180 2006-02-07 Dirk Mueller <dmueller@suse.com>
11183 * doc/invoke.texi (-Wsequence-point): Update documentation
11184 that -Wsequence-point is implemented for C++ as well.
11186 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11188 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11189 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11190 (LIB_SPEC): Likewise.
11191 * doc/invoke.texi (SPARC options): Document -pthread.
11193 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11195 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11198 2006-02-07 Roger Sayle <roger@eyesopen.com>
11200 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11201 Correct comment describing BOOLEAN_TYPE.
11203 2006-02-07 Dirk Mueller <dmueller@suse.com>
11205 * c.opt: C++ frontend supports -Wdiv-by-zero.
11206 * c-opts.c (c_common_handle_option): Remove dead case.
11208 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11210 * configure.ac (TLS assembler check): Do not enable TLS by
11211 default on SPARC/Solaris before version 10.
11212 * configure: Regenerate.
11214 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11216 * doc/invoke.texi (xl-compat): Document conversion and support
11219 2006-02-07 Jeff Law <law@redhat.com>
11221 * tree-vrp.c (find_conditional_asserts): Update comments.
11222 (simplify_stmt_for_jump_threading): New.
11223 (identify_jump_threads, finalize_jump_threads): New.
11224 (vrp_finalize): Call identify_jump_threads.
11225 (execute_vrp): Call finalize_jump_threads.
11226 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11227 (vrp_element, vrp_data, vrp_element_p): Remove.
11228 (vrp_hash_elt, vrp_variables_stack): Remove.
11229 (vrp_hash, vrp_eq, record_range): Remove.
11230 (simplify_cond_and_lookup_avail_expr): Remove.
11231 (extract_range_from_cond): Remove.
11232 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11233 (simplify_stmt_for_jump_threading): New.
11234 (dom_thread_across_edge): New wrapper.
11235 (tree_ssa_dominator_optimize): No longer initialize or
11236 finalize any of the VRP datastructures. Remove iteration
11237 step and simplify as a result of removal of iteration step.
11238 (pass_dominator): Perform a cfg cleanup after DOM.
11239 (dom_opt_finalize_block): Use the new common routines
11240 for threading jumps. Simplify stack management slightly.
11241 No longer need to unwind VRP state.
11242 (record_equivalences_from_incoming_edge): No longer record
11244 (eliminate_redundant_computations): No longer call
11245 simplify_cond_and_lookup_avail_expr.
11246 * tree-flow.h (potentially_threadable_block): Prototype.
11247 (thread_across_edge): Likewise.
11248 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11249 (tree-ssa-threadedge.o): Add dependencies.
11250 * tree-ssa-threadedge.c: New file.
11251 * passes.c (init_optimization_passes): Merge PHIs before
11252 calling VRP. Run VRP again late in the SSA optimization pipeline.
11254 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11256 * df-core.c (df_set_blocks): Do not dereference function pointers.
11257 (df_finish1): Likewise.
11258 (df_hybrid_search_forward): Likewise.
11259 (df_hybrid_search_backward): Likewise.
11260 (df_iterative_dataflow): Likewise.
11261 (df_analyze_problem): Likewise.
11262 (df_compact_blocks): Likewise.
11263 (df_dump): Likewise.
11264 * df-scan.c (df_rescan_blocks): Likewise.
11265 (df_record_entry_block_defs): Likewise.
11267 * genconditions.c (write_conditions): Guard the definition of
11268 'insn_conditions' with the check on GCC version.
11269 (write_writer): Guard the traversal 'insn_conditions' with
11270 the check on GCC version.
11272 2006-02-07 Richard Guenther <rguenther@suse.de>
11276 2006-01-30 Richard Guenther <rguenther@suse.de>
11278 * gimplify.c (gimplify_target_expr): Handle easy cases
11279 without creating a temporary.
11281 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11283 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11284 use of float in probability computations. Use edge probabilities
11285 in place of statically computed probabilities.
11286 (min_spec_prob): New static variable.
11287 (schedule_insns): Initialize it.
11288 (GET_SRC_PROB): Removed.
11289 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11291 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11294 * config/ia64/unwind-ia64.c: Revert last change.
11295 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11296 (INCOMING_FRAME_SP_OFFSET): Define.
11298 2006-02-06 Roger Sayle <roger@eyesopen.com>
11300 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11302 2006-02-07 Ben Elliston <bje@au.ibm.com>
11304 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11305 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11306 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11307 (ix86_return_in_memory): Handle TDmode.
11308 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11309 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11311 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11313 * reorg.c (dbr_schedule): Use dump_file instead of file.
11315 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11318 * config/ia64/predicates.md (extr_len_operand): New predicate.
11319 * config/ia64/ia64.md (extv): Tighten constraints.
11321 (*tbit_and_2): Ditto.
11322 (*tbit_and_3): Ditto.
11323 (*tbit_or_2): Ditto.
11324 (*tbit_or_3): Ditto.
11325 (*bit_zero): Ditto.
11328 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11331 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11333 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11335 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11336 loop_optimizer_init and loop_optimizer_finalize
11337 * tree-ssa-sink.c (execute_sink_code): Ditto.
11338 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11339 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11340 tree_ssa_loop_done): Ditto.
11341 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11342 * sched-ebb.c: Include output.h.
11343 (schedule_ebbs): Do not use dump argument.
11344 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11345 * loop.c (loop_dump_stream): Removed.
11346 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11348 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11349 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11350 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11351 loop_iterations, strength_reduce, record_biv, record_giv,
11352 final_giv_value, check_final_value, check_ext_dependent_givs,
11353 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11354 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11355 dump_file instead of loop_dump_stream.
11356 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11357 argument dump_file.
11358 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11360 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11361 * haifa-sched.c: Include output.h
11362 (schedule_insns, sched_init): Do not use dump argument.
11363 * mode-switching.c (optimize_mode_switching): Ditto.
11364 * modulo-sched.c (stats_file): Removed.
11365 (print_node_sched_params): Do not call argument dump_file.
11366 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11367 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11369 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11371 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11372 rtl_loop_init, rtl_loop_done): Ditto.
11373 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11374 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11376 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11377 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11378 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11379 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11380 * emit-rtl.c (renumber_insns): Ditto.
11381 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11382 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11383 * regclass.c (regclass): Ditto.
11384 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11385 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11386 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11387 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11389 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11390 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11392 * gcse.c (gcse_file, debug_stderr): Removed.
11393 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11394 rest_of_handle_gcse): Do not use dump argument.
11395 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11396 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11397 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11398 compute_code_hoist_vbeinout, compute_code_hoist_data,
11399 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11400 compute_store_table, build_store_vectors, insert_insn_start_bb,
11401 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11402 store_motion): Use dump_file instead of gcse_file.
11403 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11404 * profile.c (profile_dump_file): Removed.
11405 (branch_prob): Use dump_file instead of profile_dump_file.
11406 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11408 * tree-ssa-copy.c (dump_copy_of): Ditto.
11409 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11410 dump file to life_analysis.
11411 * bt-load.c (branch_target_load_optimize): Ditto.
11412 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11414 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11415 regclass, dbr_schedule): Declaration changed.
11416 * sched-int.h (sched_init): Declaration changed.
11417 * tree-profile.c (tree_profile_dump_file): Removed.
11418 (tree_profile_hooks): Removed profile_dump_file hook.
11419 * rtl-profile (rtl_profile_dump_file): Removed.
11420 (rtl_profile_hooks): emoved profile_dump_file hook.
11421 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11423 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11424 * tree-cfg.c (build_tree_cfg): Ditto.
11425 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11426 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11427 Declaration changed.
11428 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11429 life_analysis and schedule_insns.
11430 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11432 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11434 * config/mips/mips.c (mips_reorg): Ditto.
11435 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11438 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11440 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11441 (s390_mangle_fundamental_type): New.
11442 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11445 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11446 (alpha_mangle_fundamental_type): New.
11447 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11450 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11452 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11454 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11455 (sparc_mangle_fundamental_type): New.
11457 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11459 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11460 (s390x-*-linux*): Likewise.
11461 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11462 * config/s390/t-linux: New file.
11464 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11466 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11467 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11469 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11471 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11472 (ANTIC_SAFE_LOADS): New macro.
11473 (find_or_generate_expression): Add prototype.
11474 (set_contains_value): Allow null set for sake of not always having
11475 to allocate ANTIC_SAFE_LOADS.
11476 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11477 Allow COMPONENT_REF too.
11478 (valid_in_set): Allow COMPONENT_REF.
11479 Check ANTIC_SAFE_LOADS too.
11480 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11481 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11483 (can_PRE_operation): Add COMPONENT_REF.
11484 (create_component_ref_by_pieces): New function.
11485 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11486 (insert_aux): Move AGGREGATE_TYPE_P check here.
11487 (compute_avail): Set bb local stmt uids.
11488 (pass_pre): Use TODO_update_ssa_only_virtuals.
11490 2006-02-06 Ben Elliston <bje@au.ibm.com>
11492 * configure.ac: Unconditionally disable decimal float by default.
11493 * configure: Regenerate.
11495 2006-02-06 Ben Elliston <bje@au.ibm.com>
11497 * read-rtl.c (read_name): Terminate reading on EOF.
11499 2006-02-06 Ben Elliston <bje@au.ibm.com>
11501 * dfp.c (decimal_real_arithmetic): Change second argument type
11502 from int to enum tree_code. Do not always return true, but now
11503 return result of any call to decimal_do helper functions.
11504 * dfp.h (decimal_real_arithmetic): Update prototype.
11506 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11508 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11510 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11513 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11516 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11518 * tree-vrp.c (cfg_loops): Removed.
11519 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11520 Use current_loops instead of cfg_loops. Pass flags to
11521 loop_optimizer_init.
11522 * cfgloopmanip.c (fix_loop_structure): Update only available
11524 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11525 loop_optimizer_init.
11526 * modulo-sched.c (build_loops_structure): Removed.
11527 (sms_schedule): Use loop_optimizer_init.
11528 * loop-init.c (loop_optimizer_init): Use flags to determine
11529 which properties of loops to prepare.
11530 (rtl_loop_init): Pass flags to loop_optimizer_init.
11531 * tree-ssa-sink.c (execute_sink_code): Ditto.
11532 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11533 * tree-ssa-pre.c (init_pre): Ditto.
11534 * cfgloop.h (LOOPS_NORMAL): New.
11535 (loop_optimizer_init): Declaration changed.
11537 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11539 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11540 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11542 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11544 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11546 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11547 * pa/t-pa64: Delete quadlib.c rule.
11548 * pa/x-ada: Revert last change.
11549 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11551 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11553 PR rtl-optimization/26087
11554 * rtlanal.c (canonicalize_condition): Do not cross basic block
11557 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11560 * config/ia64/ia64.c: Include debug.h.
11561 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11562 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11563 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11564 (process_epilogue, process_set, process_for_unwind_directive):
11565 Output unwind info only if requested. Add CFA info if requested.
11566 Add new arguments as needed. Adjust callers.
11567 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11569 (DWARF2_FRAME_INFO): Define to zero.
11570 * config/ia64/unwind-ia64.c: Remove code that compensated for
11571 the CFA offset error fixed above.
11572 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11573 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11574 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11575 -funwind-tables and -fexceptions to enable frame info.
11576 (dwarf2out_frame_init): Define initial CFA even if
11577 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11578 DWARF2_UNWIND_INFO is nonzero, not just defined.
11579 (dwarf2out_frame_finish): Output non-EH call frame info only
11580 if DWARF2_FRAME_INFO is nonzero.
11581 (convert_cfa_to_loc_list,
11582 compute_frame_pointer_to_cfa_displacement): Define even if
11583 unwind info is not supported.
11584 (gen_subprogram_die): Use the above unconditionally. Remove
11585 legacy alternate code.
11586 * toplev.c (compile_file): Compile in call to
11587 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11588 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11590 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11591 Jakub Jelinek <jakub@redhat.com>
11593 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11594 IBM extended float format long double as "g" on powerpc*-linux.
11596 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11599 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11600 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11602 2006-02-03 Jason Merrill <jason@redhat.com>
11605 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11607 PR middle-end/25977
11608 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11609 on the return slot if it's an NRV.
11611 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11613 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11614 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11615 rewrite_use): Do not handle USE_OUTER.
11616 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11617 add_iv_outer_candidates, may_replace_final_value,
11618 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11619 (find_interesting_uses_op): Functionality of
11620 find_interesting_uses_outer_or_nonlin moved here.
11621 (find_interesting_uses_outside): Use find_interesting_uses_op.
11623 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11626 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11628 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11629 Ulrich Weigand <uweigand@de.ibm.com>
11632 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11633 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11634 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11635 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11637 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11638 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11639 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11640 Define secondary reloads for TFmode moves.
11641 (constant_modes): Add TFmode.
11642 (NR_C_MODES): Set to 8.
11643 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11645 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11646 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11647 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11648 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11649 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11650 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11651 (FPR mode macro): Add TFmode.
11652 (DSF mode macro): New.
11653 (<de>, <dee> mode attributes): Removed.
11654 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11655 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11656 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11657 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11658 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11659 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11660 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11661 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11662 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11663 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11664 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11665 "*negabs<mode>2", "sqrt<mode>2"):
11666 Changed <de> to <xde>. R constraint replaced by <Rf>.
11667 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11669 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11670 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11671 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11673 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11674 "extenddftf2", "extendsftf2"): New expanders.
11675 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11676 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11677 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11678 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11680 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11681 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11682 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11683 __floatditf): Add a GCC_4.1.0 symbol version tag.
11684 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11687 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11690 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11691 Use targetm.binds_local_p instead of TREE_PUBLIC.
11693 2006-02-02 Roger Sayle <roger@eyesopen.com>
11695 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11696 on INTEGER_TYPEs to indicate that it denotes a character type.
11697 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11698 signed_char_type_node, unsigned_char_type_node and char_type_node.
11699 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11700 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11701 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11703 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11704 Daniel Berlin <dberlin@dberlin.org>
11706 * tree-tailcall.c (arg_needs_copy_p): New function.
11707 (eliminate_tail_call): Use arg_needs_copy_p.
11708 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11709 (add_virtual_phis): New function.
11711 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11713 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11714 #ignore instead of #scratch for %g7 .register directive.
11716 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11718 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11721 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11723 * flow.c (calculate_global_regs_live): Assert that there aren't any
11726 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11728 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11729 what its name says.
11730 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11731 bsi_after_labels iterator.
11732 * tree-if-conv.c (find_phi_replacement_condition,
11733 replace_phi_with_cond_modify_expr): Likewise.
11734 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11735 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11737 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11739 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11741 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11744 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11745 array after growing it.
11747 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11749 PR middle-end/24901
11750 * fold-const.c (fold_checksum_tree): Change type of buf.
11752 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11754 * reload.c (push_secondary_reload): Initialize t_icode.
11756 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11758 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11759 -msoft-float -mlong-double-128 only issue a warning, but don't
11760 swich to DFmode long double.
11762 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11764 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11765 has a constant equivalent, iterate over equivalents for arg0,
11766 calling simplify_relational_operation and if there's a result
11767 cheaper than X, apply fold_rtx and return the result.
11769 2006-02-01 Jan Hubicka <jh@suse.cz>
11771 * opts.c (no_unit_at_a_time_default): New global variable.
11772 (decode_options): Use it.
11773 * opts.h (no_unit_at_a_time_default): Declare.
11775 2006-02-01 Paul Brook <paul@codesourcery.com>
11777 * function.c (assign_parm_setup_reg): Use function argument promotion
11779 * expr.c (expand_expr_real_1): Use function argument promotion rules
11782 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11784 * gcc.c (process_command): Change j to 'unsigned int'.
11786 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11788 PR middle-end/26001
11789 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11790 Use the corrected index for the character
11791 out of the string constant.
11793 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11795 * mode-switching.c (optimize_mode_switching): Fix size
11796 allocated for bb_info[n_entities].
11798 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11800 * gcc.c (main): Correct type that is allocated for
11801 explicit_link_files.
11803 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11805 * config/s390/s390.c (init_alignment_context): Set
11806 ALIAS_SET_MEMORY_BARRIER on the MEM.
11807 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11809 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11811 PR middle-end/25933
11812 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11814 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11817 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11819 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11820 * regrename.c: Ditto.
11821 * tree-ssa-loop-im.c: Ditto.
11822 * tree-dump.c: Ditto.
11823 * tree-complex.c: Ditto.
11824 * genrecog.c: Ditto.
11825 * tree-ssa-threadupdate.c: Ditto.
11827 * java/class.c: Ditto.
11828 * java/jcf-parse.c: Ditto.
11829 * java/resource.c: Ditto.
11830 * java/except.c: Ditto.
11831 * java/jvspec.c: Ditto.
11832 * java/jcf-write.c: Ditto.
11833 * java/jcf-path.c: Ditto.
11834 * java/gjavah.c: Ditto.
11835 * java/zextract.c: Ditto.
11836 * java/jcf-io.c: Ditto.
11837 * java/jcf.h: Ditto.
11838 * java/buffer.c: Ditto.
11839 * java/lang.c: Ditto.
11840 * java/parse-scan.y: Ditto.
11841 * java/lex.c: Ditto.
11842 * java/lex.h: Ditto.
11843 * cfgloopmanip.c: Ditto.
11844 * postreload-gcse.c: Ditto.
11845 * tree-ssa-loop-manip.c: Ditto.
11846 * postreload.c: Ditto.
11847 * tree-ssa-loop-ch.c: Ditto.
11850 * cppspec.c: Ditto.
11851 * diagnostic.c: Ditto.
11853 * genoutput.c: Ditto.
11855 * cfghooks.c: Ditto.
11856 * cfgloopanal.c: Ditto.
11857 * objc/objc-act.c: Ditto.
11859 * genextract.c: Ditto.
11860 * genautomata.c: Ditto.
11861 * pretty-print.c: Ditto.
11862 * genemit.c: Ditto.
11863 * cgraphunit.c: Ditto.
11865 * df-scan.c: Ditto.
11866 * haifa-sched.c: Ditto.
11867 * dominance.c: Ditto.
11869 * tree-ssa-loop-ivopts.c: Ditto.
11870 * df-core.c: Ditto.
11871 * mode-switching.c: Ditto.
11872 * modulo-sched.c: Ditto.
11874 * ipa-pure-const.c: Ditto.
11876 * fix-header.c: Ditto.
11878 * tree-stdarg.c: Ditto.
11879 * ipa-utils.c: Ditto.
11880 * loop-init.c: Ditto.
11881 * ipa-inline.c: Ditto.
11882 * cfganal.c: Ditto.
11884 * alloc-pool.c: Ditto.
11885 * dwarf2out.c: Ditto.
11887 * genattrtab.c: Ditto.
11888 * tree-ssa-loop-ivcanon.c: Ditto.
11889 * predict.c: Ditto.
11890 * timevar.c: Ditto.
11892 * fortran/gfortranspec.c: Ditto.
11893 * regmove.c: Ditto.
11894 * local-alloc.c: Ditto.
11895 * langhooks.c: Ditto.
11896 * function.c: Ditto.
11897 * tree-vectorizer.c: Ditto.
11899 * ipa-type-escape.c: Ditto.
11901 * tree-if-conv.c: Ditto.
11902 * profile.c: Ditto.
11904 * tree-data-ref.c: Ditto.
11905 * loop-unroll.c: Ditto.
11906 * treelang/treetree.c: Ditto.
11908 * bt-load.c: Ditto.
11909 * ggc-common.c: Ditto.
11911 * coverage.c: Ditto.
11913 * tree-cfgcleanup.c: Ditto.
11914 * tree-ssa-pre.c: Ditto.
11915 * cfgcleanup.c: Ditto.
11916 * loop-invariant.c: Ditto.
11917 * loop-iv.c: Ditto.
11918 * ipa-prop.c: Ditto.
11919 * print-tree.c: Ditto.
11920 * conflict.c: Ditto.
11921 * ggc-page.c: Ditto.
11922 * sched-deps.c: Ditto.
11923 * regclass.c: Ditto.
11924 * tree-object-size.c: Ditto.
11925 * combine.c: Ditto.
11926 * bb-reorder.c: Ditto.
11927 * resource.c: Ditto.
11928 * var-tracking.c: Ditto.
11929 * cfgloop.c: Ditto.
11930 * df-problems.c: Ditto.
11931 * reg-stack.c: Ditto.
11933 * gccspec.c: Ditto.
11934 * sched-rgn.c: Ditto.
11935 * tree-ssa-structalias.c: Ditto.
11936 * tree-ssa-reassoc.c: Ditto.
11937 * config/darwin-c.c: Ditto.
11938 * config/darwin.c: Ditto.
11939 * config/arm/arm.c: Ditto.
11941 * collect2.c: Ditto.
11942 * reload1.c: Ditto.
11944 2006-01-31 Nicolas Pitre <nico@cam.org>
11946 * arm.md (smaxsi3): Make aware of smax_m1.
11949 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11951 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11953 2006-01-31 Richard Guenther <rguenther@suse.de>
11955 * doc/invoke.texi (-msselibm): Document.
11956 * target.h (expand_library_builtin): New target hook.
11957 * builtins.c (expand_builtin): Use expand_library_builtin.
11958 (default_expand_library_builtin): New function.
11959 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11960 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11961 (link_gcc_math_spec): Declare.
11962 (static_specs): Add link_gcc_math_spec.
11963 * expr.h (default_expand_library_builtin): Declare.
11964 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11965 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11966 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11967 * config/i386/i386.opt (msselibm): New target option.
11968 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11969 (ix86_init_sse_abi_builtins): New function.
11970 (ix86_expand_library_builtin): Likewise.
11971 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11972 (override_options): Handle error conditions wrt -msselibm.
11973 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11974 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11975 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11978 2006-01-31 Richard Guenther <rguenther@suse.de>
11979 Paolo Bonzini <bonzini@gnu.org>
11981 * doc/install.texi (--disable-libgcc-math): Document.
11983 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11985 * expr.h (expand_normal): new inline function.
11986 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11987 * dojump.c: use it.
11988 * dwarf2out.c: use it.
11991 * expmed.c: use it.
11992 * except.c: use it.
11993 * config/sparc/sparc.c: use it.
11994 * config/i386/i386.c: use it.
11995 * config/rs6000/rs6000.c: use it.
11996 * config/arm/arm.c: use it.
11997 * config/mips/mips.c: use it.
11998 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12000 2006-01-30 Roger Sayle <roger@eyesopen.com>
12002 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12003 argv to the appropriate type.
12005 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12007 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12010 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12013 * config/s390/s390.c (struct machine_function): New flag
12014 decomposed_literal_pool_addresses_ok_p.
12015 (s390_reorg): Set it before final stage of literal pool transforms.
12016 (s390_decompose_address): Only accept displacements of the form
12017 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12019 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12021 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12022 the comparison routine return.
12024 2006-01-30 Michael Matz <matz@suse.de>
12026 * global.c (find_reg): Only evict for global regs.
12027 Take n_refs into account and dump more info.
12029 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12032 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12033 (pragma_trap, pragma_nosave_low_regs): Likewise.
12034 (current_function_anonymous_args): Likewise.
12035 (sh_deferred_function_attributes): New variable.
12036 (sh_deferred_function_attributes_tail): Likewise.
12037 (print_operand): For '@', look up trap_exit attribute.
12038 (calc_live_regs): Look up trapa_handler attribute. For trapa
12039 handlers, save/restore fpscr, but don't do any other
12040 interrupt-specific saves.
12041 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12042 Fix check for partially saved registers to check for SHmedia.
12043 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12044 (sh_output_function_epilogue): Don't clear any of the removed
12046 (sh_insert_attributes): Don't check pragma_interrupt.
12047 Insert deferred attributes. Check that interrupt attribute is
12048 present for other attributes that require its presence.
12049 (sh_attribute_table): Add new attributes trapa_handler and
12051 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12052 Don't check for pragma_interrupt. Don't store argument.
12053 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12054 (sh_deferred_function_attributes): Declare.
12055 (sh_deferred_function_attributes_tail): Likewise.
12056 * sh.md (sp_switch_1): Add operand. Change generator caller.
12057 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12058 (*return_i): Don't use when trap_exit attribute is in effect.
12059 (*return_trapa): New insn pattern.
12060 * sh-c.c: New file.
12061 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12062 setting c_target_objs and cxx_target_objs.
12063 * t-sh: Add rule for sh-c.o.
12065 2006-01-30 Richard Guenther <rguenther@suse.de>
12068 * gimplify.c (gimplify_target_expr): Handle easy cases
12069 without creating a temporary.
12071 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12073 * vec.h (safe_grow): Remove duplicated line.
12075 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12078 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12079 (expand_omp): ... here.
12080 (expand_omp_parallel): Only remove barriers for combined
12081 parallel+workshare constructs.
12083 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12087 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12088 * tree.c (build_qualified_type): Chain the new type to the original
12089 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12090 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12091 (build_pointer_type_for_mode): Only return unqualified types.
12092 (build_reference_type_for_mode): Likewise.
12094 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12096 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12097 * Makefile.in (CXX_COMPAT_WARN): Define.
12098 * configure: Regenerate.
12100 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12103 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12106 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12108 * toplev.c: Fix thinko.
12110 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12111 Marcin Dalecki <martin@dalecki.de>
12113 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12114 (push_srcloc): Use XNEW.
12115 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12117 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12119 * df-core.c (df_set_blocks): Deleted all variable.
12121 2006-01-28 Ian Lance Taylor <ian@airs.com>
12123 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12124 cgraph_output_pending_asms.
12126 2006-01-28 Zack Weinberg <zackw@panix.com>
12128 * c.opt: Add -W(no-)overlength-strings.
12129 * doc/invoke.texi: Document it.
12130 * c-opts.c (c_common_handle_option): -pedantic implies
12131 -Woverlength-strings, if not explicitly disabled already.
12132 (c_common_post_options): -Woverlength-strings defaults to off, and
12133 is always off for C++.
12134 * c-common.c (fix_string_type): Issue warning about strings longer
12135 than is portable only if warn_overlength_strings. Rearrange code
12136 a little for clarity.
12137 * configure.in: Check for -Wno-overlength-strings as well before
12138 enabling -pedantic in stage 1.
12139 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12140 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12142 * genconditions.c (write_header, write_one_condition)
12143 (write_conditions, write_writer): Consolidate very long strings
12144 that were broken up to fit in C89 portable limit. Don't use
12145 printf when fputs will do.
12147 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12149 * combine.c (simplify_comparison <AND>): Check
12150 TRULY_NOOP_TRUNCATION before start using a subreg.
12152 * config/mips/mips.md (*branch_zero<mode>,
12153 *branch_zero<mode>_inverted, *branch_equality<mode>,
12154 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12155 Remove mode check from comparisons.
12157 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12159 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12161 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12163 * expmed.c (const_mult_add_overflow_p): Remove.
12164 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12166 * recog.c (validate_replace_rtx_subexp): Remove.
12167 * recog.h: Remove the prototype for
12168 validate_replace_rtx_subexp.
12170 * integrate.h: Remove the prototype for
12171 copy_decl_for_inlining.
12172 * rtl.h: Remove the prototype for mark_constant_function.
12173 * tree-vectorizer.h: Remove the prototype for
12174 vect_strip_conversion.
12176 * modulo-sched.c (create_partial_schedule,
12177 free_partial_schedule, reset_partial_schedule): Make them
12180 * hooks.c (hook_bool_rtx_int_false): Remove.
12181 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12183 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12185 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12186 and -mlong-double-128 are incompatible.
12187 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12188 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12189 (TARGET_LIBGCC2_CFLAGS): Define.
12190 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12191 (TARGET_LIBGCC2_CFLAGS): Same.
12192 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12194 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12197 * c-typeck.c (build_binary_op): Perform implicit casts of
12198 operands before shortening them.
12200 * cfgloopmanip.c (split_loop_bb): Remove.
12201 * cfgloop.h: Remove the prototype for split_loop_bb.
12203 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12204 * cfgloop.h: Remove the prototype for
12205 flow_loop_outside_edge_p.
12207 * emit-rtl.c (init_virtual_regs): Make it static.
12208 * function.h: Remove the prototype for init_virtual_regs.
12210 * recog.c (peephole2_optimize): Make it static.
12211 * recog.h: Remove the prototype for peephole2_optimize.
12213 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12215 * df-scan.c (df_record_entry_block_defs): Check if
12216 INCOMING_RETURN_ADDR_RTX is defined.
12218 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12219 Kenneth Zadeck <zadeck@naturalbridge.com>
12221 PR rtl-optimization/24762
12222 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12223 * targhooks.c (hook_void_bitmap): New hook prototype.
12224 * targhoohs.h (hook_void_bitmap): Ditto.
12225 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12226 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12227 * target.h (live_on_entry): New function pointer.
12228 * df-scan.c (df_all_hard_regs): Removed.
12229 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12230 (df_scan_free_internal): Added df->entry_block_defs.
12231 (df_scan_alloc): Ditto.
12232 (df_scan_dump): Ditto.
12233 (df_uses_record): Plumbed flag field properly thru calls.
12234 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12235 This part fixes PR24762.
12236 (df_bb_refs_record): Added code to make the frame and arg
12237 pointers live in EH blocks.
12238 (df_refs_record): Added call to df_record_entry_block_defs.
12239 (df_record_entry_block_defs): New function.
12240 * df-core.c: Added comments to describe new artifical defs.
12241 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12242 (entry_block_defs): New field in struct df.
12243 (df_all_hard_regs): Deleted.
12244 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12245 * df-problems.c (df_ru_bb_local_compute_process_def):
12246 Added code to handle artifical defs in the entry to a function.
12247 (df_ru_bb_local_compute): Ditto.
12248 (df_rd_bb_local_compute_process_def): Ditto.
12249 (df_rd_bb_local_compute): Ditto.
12250 (df_lr_bb_local_compute): Ditto.
12251 (df_ur_bb_local_compute): Ditto.
12252 (df_urec_bb_local_compute): Ditto.
12253 (df_chain_create_bb): Ditto.
12254 (df_ur_local_finalize): Removed entry.
12255 (df_urec_init): Ditto.
12256 (df_urec_local_finalize): Ditto.
12257 (df_ri_bb_compute): Added detection of last use of pseudos.
12258 * Makefile.in (df-scan.o): Updated dependencies.
12259 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12260 * config/mips/mips.c (mips_set_live_on_entry): Added.
12261 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12263 * dce.c (marked_insn_p): Added code to handle artifical defs.
12265 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12267 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12269 (_mm_cvtsi128_si64): Likewise.
12270 (_mm_cvtsd_si64): Likewise.
12271 (_mm_cvttsd_si64): Likewise.
12272 (_mm_cvtsi64_sd): Likewise.
12273 (_mm_cvtsi64_si128): Likewise.
12274 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12275 (_mm_cvtsi64_m64): Likewise.
12276 (_m_to_int64): Likewise.
12277 (_mm_cvtm64_si64): Likewise.
12278 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12279 (_mm_cvttss_si64): Likewise.
12280 (_mm_cvtsi64_ss): Likewise.
12281 (_mm_cvtss_f32): Likewise.
12283 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12285 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12286 for pragma redefine_extname.
12288 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12291 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12292 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12293 -mno-minimal-toc to previous content.
12294 (bispecs): Remove goal.
12295 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12296 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12297 compatibility aliases on powerpc-*-*gnu*.
12298 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12299 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12300 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12301 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12302 (ldblspecs): New goal.
12303 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12304 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12306 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12307 L_sf_to_tf or L_df_to_tf is defined.
12309 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12310 Alan Modra <amodra@bigpond.net.au>
12313 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12314 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12315 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12316 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12317 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12318 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12319 (rs6000_override_options): Initialize rs6000_ieeequad.
12320 Initialize TFmode format to ibm_extended_format if not
12322 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12324 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12325 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12326 (function_arg_advance): IBM long double passed in two FPRs, not
12328 (function_arg): IBM long double passed in FPRs.
12329 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12330 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12331 Only multireg GPR aligned.
12332 (rs6000_init_libfuncs): Enable IBM long double functions if not
12334 (rs6000_generate_compare): Use IBM long double compare if not
12336 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12337 (TARGET_IEEEQUAD): Define.
12338 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12339 not TARGET_IEEEQUAD.
12340 * config/rs6000/rs6000.md: Enable TFmode patterns if
12342 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12343 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12344 and -mlong-double-128 are incompatible.
12345 * doc/invoke.texi (-mabi): Collect options together. Add
12346 ibmlongdouble and ieeelongdouble.
12348 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12350 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12352 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12353 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12354 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12355 * rtl.h (rtunion_def): Remove rt_ptr.
12357 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12358 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12359 * config/i386/winnt.c (i386_pe_mark_dllexport)
12360 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12362 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12364 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12366 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12370 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12371 pthread_key_delete. From John David Anglin. gthrw-ify
12372 pthread_getunique_np only if it it's not a macro. Delete
12374 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12375 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12376 __gthread_objc_condition_signal, __gthread_key_delete): Add
12377 "__attribute__ ((__unused__))" to unused arguments.
12378 (__gthread_recursive_mutex_init_function): Add missing return.
12379 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12380 gthr-posix95.h: Use macro-based approach for name redirection
12381 on targets missing weakref.
12383 2006-01-26 Zack Weinberg <zackw@panix.com>
12385 * genconditions.c (write_header): In generated code, #ifdef out
12386 all includes and fake declarations, except includes of bconfig.h
12387 and system.h, unless GCC_VERSION >= 3001. Do not include
12388 gensupport.h in any case.
12389 (write_conditions): Generate a definition of struct c_test. Add
12390 a comment to the generated #endif.
12391 (write_one_condition): Escape backslashes in string too.
12392 (write_writer): Generated code must escape backslashes and quote
12393 marks (but not newlines) in the strings it writes.
12394 * Makefile.in (build/gencondmd.o): Update dependencies.
12396 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12399 * Makefile.in (insn-automata.o): Add header file dependencies.
12400 * genautomata.c: Add includes.
12402 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12405 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12407 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12409 * configure.ac: Expect target tools paths to be passed from the toplevel
12410 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12412 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12414 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12417 * c.opt (Wpointer-sign): Init to -1.
12418 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12419 OPT_pedantic, to 0 otherwise.
12420 * doc/invoke.texi: Update.
12422 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12424 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12425 constants provided by 80387 instructions in the destination mode.
12427 2006-01-26 Richard Guenther <rguenther@suse.de>
12428 Andrew Pinski <pinskia@physics.uc.edu>
12431 partial PR tree-opt/17064
12432 * tree-ssa-structalias.c (intra_create_variable_infos):
12433 Create heap variables for incoming parameters if
12434 flag_argument_noalias > 1.
12435 (find_what_p_points_to): Look through default defs of
12438 2006-01-26 Jeff Law <law@redhat.com>
12441 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12442 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12443 within the VR_RANGE, use the VR_RANGE as the result, not the
12445 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12446 bounds for the type.
12448 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12450 * tree-ssa-alias.c (maybe_create_global_var): Change
12451 subvar walking to an assertion that we don't have subvar'd variables.
12453 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12456 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12457 Use a new variable, inner. PARM_DECLs are always non-weak.
12459 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12461 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12462 --disable-checking.
12464 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12466 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12468 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12470 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12471 (smax_insn, smin_insn, smax_0, smin_0): New.
12473 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12476 * config/cris/cris.c (cris_order_for_addsi3): New function.
12477 * config/cris/cris-protos.h: Prototype it.
12478 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12479 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12480 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12481 (split for "op.S1 [rx=rx+i],ry (swapped)")
12482 (split for "op(s|u).S1 [rx=rx+i],ry")
12483 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12484 Apply cris_order_for_addsi3 when generating addsi3 insns.
12486 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12488 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12489 (TREE_BLOCK): Add call to EXPR_CHECK.
12491 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12494 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12495 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12496 (dump_omp_clauses): ... here.
12497 (dump_generic_node): Handle OMP_CLAUSE.
12498 * tree.c (omp_clause_num_ops): New.
12499 (omp_clause_code_name): New.
12500 (tree_code_size): Handle OMP_CLAUSE.
12501 (tree_size): Likewise.
12502 (make_node): Document handling of OMP_CLAUSE.
12503 (tree_node_structure): Handle OMP_CLAUSE.
12504 (omp_clause_check_failed): New.
12505 (omp_clause_range_check_failed): New.
12506 (omp_clause_operand_check_failed): New.
12507 (build_omp_clause): New.
12508 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12509 * tree.h (enum omp_clause_code): Declare.
12510 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12511 (OMP_CLAUSE_RANGE_CHECK): Define.
12512 (OMP_CLAUSE_ELT_CHECK): Define.
12513 (omp_clause_check_failed): Declare.
12514 (omp_clause_operand_check_failed): Declare.
12515 (omp_clause_range_check_failed): Declare.
12516 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12517 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12518 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12519 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12520 (OMP_CLAUSE_IF_EXPR): Likewise.
12521 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12522 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12523 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12524 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12525 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12526 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12527 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12528 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12529 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12530 (OMP_CLAUSE_CODE): Define.
12531 (OMP_CLAUSE_SET_CODE): Define.
12532 (OMP_CLAUSE_CODE): Define.
12533 (OMP_CLAUSE_OPERAND): Define.
12534 (struct tree_omp_clause): Declare.
12535 (union tree_node): Add field 'omp_clause'.
12536 * treestruct.def (TS_OMP_CLAUSE): Define.
12537 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12538 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12539 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12540 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12541 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12542 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12543 (OMP_CLAUSE): Define.
12544 * print-tree.c (print_node): Handle OMP_CLAUSE.
12545 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12546 * c-typeck.c: Likewise.
12547 * gimplify.c: Likewise.
12548 * c-omp.c: Likewise.
12549 * tree-nested.c: Likewise.
12550 * tree-inline.c: Likewise.
12551 * c-parser.c: Likewise.
12552 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12555 2006-01-25 Roger Sayle <roger@eyesopen.com>
12557 PR rtl-optimization/25703
12558 * combine.c (try_combine): Handle zero_extract and strict_low_part
12559 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12561 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12563 * global.c: Fix comment typos.
12565 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12568 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12569 Use output_addr_const instead of assemble_name.
12571 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12573 * Makefile.in (sched-vis.o): Update dependencies.
12574 * haifa-sched.c (sched_finish): Clear current_sched_info.
12575 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12576 (dump_flow_info): Call it.
12577 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12579 * basic-block.h (dump_bb_info): Declare.
12580 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12581 option, and apply options only for dump files whose TDF_RTL,
12582 TDF_TREE, or TDF_IPA bits match.
12583 * rtl.h: Declare new functions exported from sched-vis.c.
12584 * sched-vis.c: Enable also if scheduling is not used.
12585 (print_value): Print the mode of registers if not inside scheduling.
12586 (print_insn): Make it work outside the scheduler. Beautify the output
12588 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12590 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12592 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12593 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12594 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12595 depending on the value of CONSTANT_POOL_ADDRESS_P.
12596 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12598 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12599 rather than SYMBOL_REF_DECL.
12600 (rtx_constant_pool): Remove const_rtx_sym_htab.
12601 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12602 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12603 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12604 Remove handling of const_rtx_sym_htab.
12605 (find_pool_constant): Delete.
12606 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12607 rather than find_pool_constant.
12608 (get_pool_constant_for_function): Delete.
12609 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12610 find_pool_constant.
12611 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12612 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12613 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12614 (SYMBOL_REF_CONSTANT): New macro.
12615 (get_pool_constant_for_function): Delete.
12616 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12617 rather than SYMBOL_REF_DECL.
12618 (i386_pe_mark_dllimport): Likewise.
12619 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12620 rather than SYMBOL_REF_DECL.
12621 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12622 (machopic_indirect_call_target): Likewise.
12624 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12626 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12628 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12630 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12632 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12634 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12636 2006-01-24 David Daney <ddaney@avtrex.com>
12639 * configure.ac (enable_tls): New enable option.
12640 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12641 * configure: Regenerate.
12642 * doc/install.texi (--enable-tls): Document new option.
12643 (--disable-tls): Ditto.
12645 2006-01-24 Richard Henderson <rth@redehat.com>
12647 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12648 * alias.c (true_dependence): Respect it.
12649 (canon_true_dependence, write_dependence_p): Likewise.
12650 * builtins.c (get_builtin_sync_mem): Set it.
12652 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12654 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12657 2006-01-24 DJ Delorie <dj@redhat.com>
12659 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12660 for storing constants in single-bit bitfields.
12662 2006-01-25 Ben Elliston <bje@au.ibm.com>
12664 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12666 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12669 * tree-ssa-pre.c (phi_translate): Return NULL
12670 for AGGREGATE_TYPE's.
12672 2006-01-24 Zack Weinberg <zackw@panix.com>
12674 * genautomata.c (process_state_for_insn_equiv_partition):
12675 Use xcalloc for insn_arcs_array.
12676 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12677 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12679 2006-01-24 Richard Henderson <rth@redhat.com>
12681 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12682 update all callers.
12684 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12686 PR rtl-optimization/25890
12687 PR rtl-optimization/25905
12688 * combine.c (expand_compound_operation, expand_field_assignment):
12689 Fail if the bitfield's final position is out of bounds.
12691 2006-01-24 Ian Lance Taylor <ian@airs.com>
12693 PR middle-end/25930
12694 * cgraphunit.c (cgraph_output_in_order): Don't clear
12695 cgraph_asm_nodes until after asm strings have been output.
12697 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12699 * fix-header.c (read_scan_file): Add new parameter imultilib when
12700 calling register_include_chains.
12702 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12704 * omp-low.c: Update documentation.
12706 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12707 Daniel Berlin <dberlin@dberlin.org>
12711 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12712 return from the function.
12714 2006-01-22 Zack Weinberg <zackw@panix.com>
12716 * rtl.def (match_code): Add second argument.
12717 * genpreds.c (write_extract_subexp): New function.
12718 (write_match_code): Add path argument. Use write_extract_subexp.
12719 (write_predicate_expr): Pass path to write_match_code.
12720 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12721 not perform a mode test.
12722 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12723 a subexpression does not constrain the top-level code set.
12724 * read-rtl.c (read_rtx_variadic): New function.
12725 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12726 * doc/md.texi: Document new notation.
12727 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12728 (cmpsi_operand): ... here, using new notation.
12730 2006-01-22 Zack Weinberg <zackw@panix.com>
12732 * varray.c: Remove GENERATOR_FILE #ifdefs.
12734 2006-01-22 Zack Weinberg <zackw@panix.com>
12736 * genautomata.c (output_reserved_units_table): Emit nothing if
12737 description->query_units_num is zero. Remove extra blank line.
12738 (output_cpu_unit_reservation_p): Short circuit
12739 if description->query_units_num is zero.
12741 2006-01-22 Zack Weinberg <zackw@panix.com>
12743 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12744 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12745 nor any of the random handful of variables that used to be necessary
12746 when this program was linked with rtlanal.o. Prune set of forward
12747 function declarations.
12748 (struct attr_desc): Remove static_p field.
12749 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12750 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12751 (attr_string): Do not read the character one past the length of
12753 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12754 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12755 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12756 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12757 (make_automaton_attrs): New.
12758 (main): Do not call into genautomata. Call local gen_bypass
12759 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12760 Remove special case for insn_alts.
12761 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12762 varray.h (leftover from previous change). Prune set of forward
12763 function declarations. Remove state_alts fields from all
12764 structures. Remove state_alts_table from struct automaton.
12765 Make everything except main static. Do not maintain num_dfa_decls.
12766 Do not maintain state_alts fields of various structures.
12767 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12768 (add_arc): Remove state_alts argument. All callers updated.
12769 (output_reserved_units_table): Emit #ifdef here...
12770 (output_tables): ...not here. Don't generate state_alts tables.
12771 (expand_automata): Don't generate attributes.
12772 (write_automata): Don't generate state_alts functions.
12773 (main): New function.
12774 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12775 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12776 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12777 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12778 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12779 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12780 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12781 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12783 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12784 * genattrtab.h: Delete file.
12785 * Makefile.in (OBJS-common): Add insn-automata.o.
12786 (insn-automata.o): New rule.
12787 (simple_generated_c): Add insn-automata.c.
12788 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12789 (genprogmd): Add automata.
12790 (build/genattrtab): Needs no extra objects nor libraries.
12791 (build/genautomata): Needs build/vec.o and -lm.
12793 2006-01-22 Zack Weinberg <zackw@panix.com>
12795 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12796 (output_dfa_max_issue_rate, locked_states_num): Delete.
12797 (struct automaton): Add locked_states field.
12798 (output_dead_lock_vect): Save number of locked states in
12799 automaton->locked_states. If it is zero, don't print anything.
12800 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12801 (output_internal_dead_lock_func): Only test the dead_lock_vect
12802 for automata that have locked states.
12803 (output_statistics): Always print the number of locked states for
12804 each automaton. Calculate total number of locked states here.
12805 (write_automata): Don't call output_dfa_max_issue_rate.
12806 * genattrtab.c: Define length_unit_log as a const variable.
12807 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12808 max_insn_queue_index const.
12809 * final.c (length_unit_log): Declare const.
12810 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12812 2006-01-22 Zack Weinberg <zackw@panix.com>
12814 * genautomata.c: Include vec.h, not varray.h.
12815 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12816 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12817 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12818 VEC_* macros operating on appropriately typed vectors, or to
12819 malloced arrays when the size is known in advance. Const-ify
12820 many char* variables and function arguments. No functional changes.
12821 * Makefile.in (build/varray.o): Delete rule.
12822 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12823 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12825 2006-01-22 Zack Weinberg <zackw@panix.com>
12827 * gensupport.c: Define get_insn_name and record_insn_name here.
12828 (read_md_rtx): Call record_insn_name as appropriate.
12829 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12830 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12831 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12833 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12834 (BUILD_VARRAY): Delete.
12835 (genprognormal): Rename genprogmd. Fold in all programs from
12836 genprognoprint; also attrtab.
12837 (build/genattrtab): Just mention genautomata.o and varray.o.
12838 Reorganize a bit, add comments to make the categories clearer.
12840 2006-01-22 Zack Weinberg <zackw@panix.com>
12842 * genconditions.c (condition_table, add_condition): Delete.
12843 (write_conditions): Don't emit n_insn_conditions nor
12844 insn_elision_unavailable. Issue the gcc version #ifdef here,
12845 inside the table, with no #else clause ...
12846 (write_header): ...not here.
12847 (write_writer): New function.
12848 (main): Don't initialize condition_table. Use add_c_test.
12850 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12851 files on the command line.
12852 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12853 Return -1 if there is no entry in the table, don't abort.
12854 (add_c_test, traverse_c_tests): New functions.
12855 * gensupport.h (insn_elision_unavailable, insn_conditions)
12856 (n_insn_conditions): Delete declarations.
12857 (add_c_test, traverse_c_tests): Declare.
12858 * read-rtl.c: Include gensupport.h.
12859 (read_conditions): New function.
12860 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12861 (read_rtx_1): If we get EOF when we were looking for an initial
12862 open paren, return 0. Call read_conditions when appropriate.
12863 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12864 dummy-conditions.o. Eliminate references to insn-conditions.o,
12865 or change them to build/gencondmd.o, as appropriate. Remove
12866 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12867 from $(simple_generated_c). For all files remaining in those
12868 two lists, add insn-conditions.md to the generator command line.
12869 Give insn-constants.h/s-constants their own rules. Add rules
12870 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12871 (build/read-rtl.o): Depend on gensupport.h.
12872 (genprognormal): Include preds.
12873 (genprogearly): Rename genprognoprint; only difference is now that
12874 they don't link with $(BUILD_PRINT).
12875 * dummy-conditions.c: Delete.
12877 2006-01-22 Zack Weinberg <zackw@panix.com>
12879 * genextract.c: Don't include insn-config.h. Do include vec.h.
12880 Declare vectors of int, char, and locstr.
12881 (locstr): New typedef.
12882 (struct extraction): Make all array fields into bare pointers.
12883 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12884 (insn_code_number): Delete.
12885 (accum_extract): New struct.
12886 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12887 (gen_insn): Take insn_code_number as an argument. Use an
12888 accum_extract structure instead of loading data directly into
12889 a struct extraction, and having to know how big it might get.
12890 (walk_rtx): Operate entirely on an accum_extract structure.
12891 (print_path): Avoid unnecessary use of printf.
12892 (print_header): New function, split out of main. Distinguish
12893 more carefully between an unrecognizable insn and an insn that
12894 has the code number of a define_expand.
12895 (main): Pass insn_code_number to gen_insn. Call print_header
12896 only after parsing. Avoid unnecessary use of printf.
12897 * Makefile.in (build/vec.o): New rule.
12898 (build/genextract): Depend on build/vec.o.
12899 (build/genextract.o): Don't depend on insn-config.h.
12901 2006-01-22 Zack Weinberg <zackw@panix.com>
12903 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12904 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12905 practical. Eliminate per-generator-program link rules.
12907 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12909 PR middle-end/24437
12910 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12911 with a call expr to ...
12912 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12914 2006-01-23 Richard Guenther <rguenther@suse.de>
12916 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12917 before make_edge with conditional EDGE_TRUE_VALUE.
12919 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12920 Jan Hubicka <jh@suse.cz>
12921 Richard Guenther <rguenther@suse.de>
12923 PR rtl-optimization/25654
12924 * cfgexpand.c (aggregate_contains_union_type): New function.
12925 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12926 for structure variables that contain a union type.
12928 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12930 * gengtype.c (new_structure): Return the structure.
12931 (create_option): Add an extra "next" argument.
12932 (create_field): New function.
12933 (adjust_field_rtx_def): Use create_option and create_field.
12934 Remove a now-unnecessary call to find_structure.
12935 (adjust_field_tree_def): Likewise.
12936 (note_yacc_type): Remove an unnecessary call to find_structure.
12937 * gengtype.h (new_structure): Return the structure.
12938 (create_option): Add an extra argument.
12939 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12940 (option): Adjust calls to create_option.
12942 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12944 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12946 2006-01-22 Paul Brook <paul@codesourcery.com>
12947 Peter Barada <peter@the-baradas.com>
12949 * config/m68k/m68k.md: Add Coldfire FPU support.
12950 Define FP mode macro and associated attributes.
12951 Use it for float mode patterns.
12952 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12953 (LIBCALL_VALUE): Use m68k_libcall_value.
12954 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12955 (m68k_function_value): Ditto.
12956 (emit_move_sequence): Ditto.
12957 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12958 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12959 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12960 (MULTILIB_EXCEPTIONS): Ditto.
12961 * config/m68k/m68k.opt: Add mcfv4e.
12962 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12963 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12964 (m68k_output_function_prologue): Save ColdFire FPU registers.
12965 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12966 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12967 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12968 ColdFire FPU registers.
12969 (m68k_libcall_value, m68k_function_value): New functions.
12970 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12971 (LIBCALL_VALUE): Use m68k_libcall_value.
12972 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12973 (MASK_COLDFIRE): Add MASK_CFV4E.
12974 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12975 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12976 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12977 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12978 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12979 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12980 * doc/invoke.tex: Document -mcfv4e on m68k.
12982 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12984 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12987 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12990 * c-opts.c (c_common_handle_option): Don't include
12991 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12992 * doc/invoke.texi (C++ Dialect Options): Document that
12993 -Wnon-virtual-dtor is no longer included in -Wall.
12995 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12997 * gcov.c (print_version), gcov-dump.c (print_version),
12998 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13001 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13003 * df-scan.c (problem_SCAN): Added NULL reset function.
13004 (df_scan_reset_blocks): Added code to call reset block function
13005 (df_bb_refs_delete) Fixed comment.
13006 (df_insn_refs_delete): Made tolerant of deleting non existent info
13007 for dataflow problems that need to be reset.
13008 * df-core.c (df_set_blocks): Ditto.
13009 * df.h (struct df_problem): Added reset_fun.
13010 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13011 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13012 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13013 functions to clear out all references to def-use or use-def chains.
13015 2006-01-21 Ben Elliston <bje@au.ibm.com>
13017 * varasm.c (assemble_real): Initialise data array.
13019 2006-01-20 Paul Brook <paul@codesourcery.com>
13021 Merge from csl-arm-branch.
13022 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13023 * config/arm/arm.md (movdi): Force operands[1] to a register
13024 if we have a non-register source.
13025 (*arm_movdi, *movdf_soft_insn): Require that one of the
13026 operands be a register.
13027 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13028 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13030 2006-01-20 DJ Delorie <dj@redhat.com>
13032 * varasm.c (initializer_constant_valid_p): Allow pointers
13033 initialized from integer constants of lesser precision.
13034 (output_constant): Allow non-int-sized pointer modes to be
13035 initialized from integer constants.
13037 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13040 * cppdefault.h (struct default_include): Add multilib flag.
13041 * cppdefault.c (cpp_include_defaults): Set it.
13042 * c.opt (-imultilib): New option.
13043 * c-opts.c (imultilib): New.
13044 (c_common_handle_option): Handle -imultilib.
13045 (c_common_post_options): Likewise.
13046 * c-incpath.c (add_standard_paths, register_include_chains):
13048 * c-incpath.h (register_include_chains): Add extra parameter.
13049 * gcc.c (do_spec_1): Generate -imultilib option.
13050 (The Specs Language): Update %I description.
13051 (process_command): Update copyright notice.
13052 * doc/cppopts.texi (-imultilib): Document.
13053 * doc/invoke.texi (-imultilib): Include in option summary.
13054 (%I): Update specs documentation.
13056 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13058 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13060 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13062 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13065 2006-01-20 Richard Guenther <rguenther@suse.de>
13066 Steven Bosscher <stevenb.gcc@gmail.com>
13068 PR rtl-optimization/24626
13069 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13070 EDGE_TRUE_VALUE if in RTL mode.
13073 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13074 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13076 2006-01-20 Dirk Mueller <dmueller@suse.com>
13079 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13080 instead of a special NOP marker.
13081 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13082 NOP marker handling.
13083 * c-common.h (empty_body_warning): Add forward declaration.
13084 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13085 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13087 2006-01-20 Paul Brook <paul@codesourcery.com>
13089 * Makefile.in (lang_checks): Keep going if mkdir fails.
13091 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13093 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13094 be able to clean out basic block when not necessary.
13095 (df_scan_free): Fixed to properly delete information if df is
13096 unused before calling df_finish.
13097 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13098 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13100 (df_bb_refs_delete): New function.
13101 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13102 * df-core.c (df_set_blocks): Added code to properly clean out
13103 unused blocks if they are not part of the blocks to consider.
13104 Added additional null check.
13105 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13106 be able to clean out basic block when not necessary
13107 * df.h (df_free_bb_function): Ditto.
13108 (df_bb_refs_delete): New function.
13109 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13110 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13111 basic block parameter to be able to clean out basic block when not
13113 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13114 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13115 Fixed to properly delete information if df is unused before
13118 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13120 PR rtl-optimization/25799
13121 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13122 Corrected confluence operator to remove bits from op2 before oring
13123 with op1 rather than removing bits from op1.
13124 (df_ru_transfer_function): Corrected test on wrong bitmap which
13125 caused infinite loop. Both of these problems were introduced in
13126 the dataflow rewrite.
13128 2006-01-19 DJ Delorie <dj@redhat.com>
13130 * reload1.c (find_reload_regs): Note the details of reload
13131 failures in the dump file.
13132 (spill_failure): Likewise.
13134 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13136 * loop-iv.c: Include df.h and hashtab.h.
13137 (enum iv_grd_result): New enum.
13138 (DF_REF_IV, DF_REF_IV_SET): New macros.
13139 (struct biv_entry): New.
13140 (df, bivs): New global variables.
13141 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13142 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13144 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13145 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13146 analyzed_for_bivness_p, record_biv): New functions.
13147 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13148 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13149 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13151 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13153 (iv_number_of_iterations): Use new interface to iv analysis.
13154 * loop-unroll.c: Do not include varray.h.
13155 (analyze_iv_to_split_insn): Use new interface to iv
13157 * loop-unswitch.c (may_unswitch_on): Ditto.
13158 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13160 (df_bb_modify): Realloc tables to the new index.
13161 (df_find_use): New function.
13162 * df.h (df_find_use): Declare.
13163 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13165 * cfgloop.h (struct rtx_iv): Remove analysed field.
13166 (iv_get_reaching_def): Removed.
13167 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13168 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13169 (loop-iv.o): Add df.h and hashtab.h dependency.
13170 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13172 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13175 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13177 (__floatundisf, __floatundidf): Likewise.
13178 * libgcc2.h (IS_IBM_EXTENDED): Define.
13180 2006-01-19 DJ Delorie <dj@redhat.com>
13182 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13184 2006-01-19 Paul Brook <paul@codesourcery.com>
13186 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13187 as nothrow when unwinding tables are disabled.
13189 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13192 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13193 of bit-field" when in system header.
13195 2006-01-19 DJ Delorie <dj@redhat.com>
13197 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13198 the 16 bit shift limit of the m16c.
13200 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13203 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13204 * config/i386/i386.c (output_set_got): Output the label if we have one
13205 for the TARGET_DEEP_BRANCH_PREDICTION case.
13207 2006-01-19 Jan Hubicka <jh@suse.cz>
13208 H.J. Lu <hongjiu.lu@intel.com>
13209 Evandro Menezes <evandro.menezes@amd.com>
13211 * invoke.texi (generic): Document
13213 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13214 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13215 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13216 (x86_use_incdec, x86_pad_returns): New variables
13217 (TARGET_CPU_DEFAULT_generic): New constant
13218 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13219 (enum processor_type): Add generic32 and generic64.
13220 * i386.md (cpu attribute): Add generic32/generic64
13221 (movhi splitter): Behave sanely when both partial_reg_dependency and
13222 partial_reg_stall are set.
13223 (K8 splitters): Enable for generic as well.
13224 * predicates.md (incdec_operand): Use TARGET_INCDEC
13225 (aligned_operand): Avoid memory mismatch stalls.
13226 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13227 * ppro.md: Enable for generic32
13228 * i386.c (generic64_cost, generic32_cost): New.
13229 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13230 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13231 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13232 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13233 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13234 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13235 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13236 x86_accumulate_outgoing_args, x86_prologue_using_move,
13237 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13238 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13239 Enable for generic.
13240 (x86_use_incdec, x86_pad_returns): New.
13241 (override_options): Add generic32 and generic64, translate "generic"
13242 to generic32/generic64 and "i686" to "generic32", refuse
13243 "generic32"/"generic64" as arch target.
13244 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13245 (ix86_reorg): Honor PAD_RETURNS.
13247 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13249 * tree-pretty-print.c (dump_generic_node): Handle
13250 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13251 * cgraph.c (cgraph_expand_queue): Rename from
13252 cgraph_analyze_queue. Update all users.
13253 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13254 cgraph_expand_queue.
13255 (cgraph_expand_all_functions): Likewise.
13256 (cgraph_finalize_pending_functions): Remove. Update callers.
13258 * tree.h (OMP_DIRECTIVE_P): Define.
13259 (OMP_PARALLEL_FN): Define.
13260 (OMP_PARALLEL_DATA_ARG): Define.
13261 (OMP_SECTIONS_SECTIONS): Define.
13262 * tree-pass.h (pass_expand_omp): Declare.
13263 * omp-low.c (struct omp_region): Declare.
13264 (struct omp_context): Remove fields 'parallel_type',
13265 'parallel_start_ix' and 'parallel_start_additional_args'.
13267 (struct omp_for_data): Rename from struct expand_omp_for_data.
13268 (omp_regions): New static variable.
13269 (root_omp_region): New static variable.
13270 (find_omp_clause): Make static.
13271 (is_in_combined_parallel_ctx): Remove.
13272 (is_combined_parallel): New.
13273 (extract_omp_for_data): Move earlier in the file.
13274 (workshare_safe_to_combine_p): New.
13275 (get_ws_args_for): New.
13276 (determine_parallel_type): Move earlier in the file.
13277 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13279 (omp_copy_decl): Likewise.
13280 (create_omp_child_function): Likewise.
13281 (lookup_omp_region): New.
13282 (dump_omp_region): New.
13283 (debug_omp_region): New.
13284 (debug_all_omp_regions): New.
13285 (new_omp_region): New.
13286 (scan_omp_parallel): If parallel_nesting_level > 1, the
13287 directive is nested within another parallel directive.
13288 Set OMP_PARALLEL_FN.
13289 (scan_omp_for): Do not try to handle combined parallel+for
13291 Remove FIXME comment.
13292 (scan_omp_nested): Remove.
13293 (scan_omp_1): Do not call scan_omp_nested when
13294 parallel_nesting_level is > 1.
13295 Do not change the DECL_CONTEXT of local variables found.
13296 (lookup_decl_in_outer_ctx): New.
13297 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13298 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13299 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13300 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13301 If CTX is nested, lookup VAR in the outer context when
13302 building copy assignment.
13303 (lower_send_clauses): Rename from expand_send_clauses.
13304 If CTX is nested, lookup VAR in the outer context when
13305 building copy assignments.
13306 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13307 If CTX is nested, lookup VAR in the outer context when
13308 building copy assignments.
13309 (expand_parallel_call): Rename from build_parallel_call.
13310 Handle combined parallel+workshare cases.
13311 Re-implement to emit code into the CFG.
13313 (expand_omp_parallel): Re-implement to emit code into the CFG.
13314 Call move_sese_region_to_fn to outline the sub-graph
13315 containing the parallel region.
13316 (expand_omp_for_1): Remove.
13317 (expand_omp_for_generic): Re-implement to emit code into the
13319 (expand_omp_for_static_nochunk): Likewise.
13320 (expand_omp_for_static_chunk): Likewise.
13321 (expand_omp_for): Likewise.
13322 (expand_omp_sections): Likewise.
13323 (remove_exit_barriers): New.
13324 (expand_omp_synch): New.
13326 (build_omp_regions_1): New.
13327 (build_omp_regions): New.
13328 (execute_expand_omp): New.
13329 (gate_expand_omp): New.
13330 (pass_expand_omp): Define.
13331 (lower_omp_sections): Rename from expand_omp_sections.
13332 Set OMP_SECTIONS_SECTIONS.
13333 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13334 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13335 (lower_omp_single): Rename from expand_omp_simple.
13336 (lower_omp_master): Rename from expand_omp_master.
13337 (lower_omp_ordered): Rename from expand_omp_ordered.
13338 (lower_omp_critical): Rename from expand_omp_critical.
13339 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13340 (lower_omp_for): Re-implement.
13341 (lower_omp_parallel): Re-implement.
13342 (lower_regimplify): Rename from expand_regimplify.
13343 (lower_omp_1): Rename from expand_omp_1.
13344 If there are syntax errors in the program, replace every
13345 OpenMP directive with NOP.
13346 Call lower_omp_* instead of expand_omp_*.
13347 (lower_omp): Rename from expand_omp.
13349 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13350 * tree-gimple.h (enum omp_parallel_type): Remove.
13351 (gimple_boolify): Declare extern.
13352 (find_omp_clause, determine_parallel_type): Remove.
13354 * gimple-low.c (lower_omp_directive): New.
13355 (lower_stmt): Call it.
13356 (record_vars_into): Move from ...
13357 (record_vars): ... here.
13358 Call record_vars_into with current_function_decl.
13360 * gimplify.c (struct gimplify_ctx): Remove fields
13361 combined_pre_p and combined_ctxp. Update users.
13362 (get_formal_tmp_var): Add documentation.
13363 (gimple_boolify): Make extern.
13364 (gimplify_expr_in_ctx): Remove. Update callers.
13365 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13366 will always be a BIND_EXPR.
13367 (gimplify_expr): Handle OMP_RETURN_EXPR.
13368 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13369 (OMP_PARALLEL): Add 3 operands.
13370 (OMP_SECTIONS): Add 1 operand.
13371 (OMP_RETURN_EXPR): Define.
13373 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13374 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13375 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13376 creating a circular free list.
13377 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13379 * tree-flow.h (move_sese_region_to_fn): Declare.
13380 (record_vars_into): Declare.
13381 * tree-cfg.c (make_omp_sections_edges): New.
13382 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13383 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13384 OMP_SECTIONS and OMP_SECTION.
13385 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13386 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13387 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13388 (gather_blocks_in_sese_region): New.
13389 (struct move_stmt_d): Declare.
13390 (move_stmt_r): New.
13391 (move_block_to_fn): New.
13392 (move_sese_region_to_fn): New.
13394 * passes.c (init_optimization_passes): Schedule
13395 pass_expand_omp after pass_init_datastructures.
13397 * tree-ssa-operands.c (get_expr_operands): Handle
13398 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13399 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13401 2006-01-19 Jeff Law <law@redhat.com>
13403 * tree-vrp.c (extract_range_from_assert): Refine the result range
13404 if the variable referenced by the ASSERT_EXPR has a range and
13405 either the tentative result range or the previous range is a
13408 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13410 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13412 2006-01-19 Jan Hubicka <jh@suse.cz>
13414 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13416 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13418 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13419 (expand_compound_operation, expand_field_assignment): Fail if the
13420 bit lengths of an extract operation are out of range.
13421 (make_extraction): Compute wanted_inner_mode based on the position
13422 and length of the extraction. Make it extraction_mode for non-constant
13423 positions, and do not modify offset in that case. When generating a
13424 new MEM, use a mode that can hold the extraction while keeping correct
13425 alignment. Remove code that supported MEMs wrapped by USEs.
13426 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13428 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13430 * config/s390/s390.md ("Y", "y"): New mode attribute.
13431 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13432 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13433 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13434 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13435 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13436 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13437 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13438 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13439 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13440 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13441 "addsi3", "subsi3"): Insn patterns removed.
13442 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13443 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13444 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13445 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13446 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13447 "*sub<mode>3_cconly2"): New insn patterns.
13448 ("addsi3", "subsi3"): New expanders.
13450 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13452 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13453 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13454 existing STMT_VINFO_VECTYPE if available.
13455 (vect_mark_relevant): Add special handling for stmts that are
13456 marked as STMT_VINFO_IN_PATTERN_P.
13457 (vect_analyze_loop): Call vect_pattern_recog.
13458 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13459 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13461 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13462 (vect_recog_func_ptr): New function-pointer type.
13463 * tree-vect-patterns.c: New file.
13464 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13465 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13466 (vect_pattern_recog_1): New functions.
13467 (vect_pattern_recog_funcs): New array of function pointers.
13469 * tree-vectorizer.h (ternary_op): New enum value.
13470 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13471 declaration. Revised documentation. Removed redundant dump prints.
13472 Removed redundant argument. Added support for reduction patterns.
13473 (vectorizable_reduction): Added support for reduction patterns.
13474 (vect_transform_stmt): Added support for patterns.
13476 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13477 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13478 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13479 (expand_widen_pattern_expr): New function.
13480 (init_optabs): Initialize new optabs udot_prod_optab,
13482 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13483 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13484 (expand_widen_pattern_expr): New function declaration.
13485 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13487 * tree-inline.c (estimate_num_insns_1): Added cases for new
13488 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13489 * tree-pretty-print.c (dump_generic_node): Likewise.
13490 (op_prio): Likewise.
13491 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13492 * tree-ssa-operands.c (get_expr_operands): Added case for
13494 * tree-vect-patterns.c (widened_name_p): New function.
13495 (vect_recog_dot_prod_pattern): Added function implementation.
13496 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13497 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13498 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13499 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13501 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13502 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13503 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13504 (init_optabs): Initialize new optabs widen_ssum_optab,
13506 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13507 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13508 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13509 use instead of type of def.
13510 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13511 function implementation.
13512 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13513 widen_ssumv8hi): New.
13515 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13518 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13521 * c-decl.c (add_flexible_array_elts_to_size): New function.
13522 (finish_decl): Use it.
13524 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13526 * diagnostic.h: Include options.h.
13527 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13528 dependancies for diagnostic.h.
13529 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13531 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13533 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13534 (ssa_ro_call_cache_valid): Ditto.
13535 * tree-ssa-alias.c (sort_tags_by_id): New function.
13536 (init_transitive_clobber_worklist): Ditto.
13537 (add_to_worklist): Ditto.
13538 (mark_aliases_call_clobbered): Ditto.
13539 (compute_tag_properties): Ditto.
13540 (set_initial_properties): Ditto.
13541 (compute_call_clobbered): Ditto.
13542 (compute_may_aliases): Call compute_call_clobbered and grouping.
13543 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13544 (compute_flow_insensitive_aliasing): Grouping now happens in our
13546 (setup_pointers_and_addressables): Remove clobbering related code.
13547 (add_may_alias): Ditto.
13548 (replace_may_alias): Ditto.
13549 (get_nmt_for): Ditto.
13550 (create_global_var):
13551 (is_escape_site): Return an escape_type enumeration.
13552 * tree-flow-inline.h (is_call_clobbered): Global var does not
13553 imply call clobbered.
13554 (mark_call_clobbered): Take a reason for marking this. Remove
13555 marking of globalness, and cache invalidation.
13556 (clear_call_clobbered): Remove cache invalidation code.
13557 * tree-dfa.c (dump_variable): If details is on, dump the reason
13559 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13561 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13562 (struct var_ann_d): Ditto.
13563 (enum escape_type): New.
13564 (mark_call_clobbered): Adjust prototype.
13565 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13566 are never call clobbered.
13567 Record reasons for escaping.
13568 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13569 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13570 (ssa_ro_call_cache_valid): Ditto.
13571 (clobbered_v_may_defs): Ditto.
13572 (clobbered_vuses): Ditto.
13573 (ro_call_vuses): Ditto.
13574 (clobber_stats): New.
13575 (init_ssa_operands): Zero out clobber stats.
13576 (fini_ssa_operands): Print out clobber stats.
13577 (get_call_expr_operands): Pass callee fndecl to
13578 add_call_read_ops).
13579 (add_call_clobber_ops): Remove use of cache.
13580 Add use of PURE_CONST information.
13581 (add_call_read_ops): Remove use of cache.
13582 Add use of static not_read information.
13584 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13586 Introduce TLS descriptors for i386 and x86_64.
13587 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13588 (TARGET_ANY_GNU_TLS): New macro.
13589 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13590 (struct machine_function): Add tls_descriptor_call_expanded_p.
13591 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13592 (ix86_current_function_calls_tls_descriptor): Likewise.
13593 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13594 (override_options): Introduce gnu2 tls dialect.
13595 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13597 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13599 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13600 (ix86_init_machine_status): Initialize new field.
13601 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13602 (ix86_tls_module_base): New.
13603 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13604 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13605 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13606 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13607 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13608 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13609 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13610 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13611 * config/i386/predicates.md (tls_modbase_operand): New.
13612 (tp_or_register_operand): New.
13614 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13616 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13617 (look_for_address_of): Ditto.
13618 (ipa_init): Walk the function decls.
13619 (static_execute): Don't set readonly on FUNCTION_DECL's.
13621 2006-01-18 Roger Sayle <roger@eyesopen.com>
13623 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13624 for shifts where the source and destination registers are different.
13626 2006-01-18 Paul Brook <paul@codesourcery.com>
13628 Merge from csl-arm-branch.
13629 2005-03-14 Julian Brown <julian@codesourcery.com>
13630 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13631 (aeabi_llsl): Likewise.
13632 (ashrdi3): Likewise.
13633 (aeabi_lasr): Likewise.
13634 (lshrdi3): Likewise.
13635 (aeabi_llsr): Likewise.
13636 2005-03-10 Julian Brown <julian@codesourcery.com>
13637 * config.gcc: Disable shared libgcc for SymbianOS.
13638 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13640 2006-01-18 DJ Delorie <dj@redhat.com>
13642 * c-pragma.c (handle_pragma_diagnostic): New.
13643 (init_pragma): Register it.
13644 * doc/extend.texi: Document it.
13646 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13647 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13648 (diagnostic_context): Add classify_diagnostic[].
13649 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13650 as errors if they're overridden to DK_WARNING.
13651 (diagnostic_initialize): Initialize classify_diagnostic[].
13652 (diagnostic_set_kind_override): New.
13653 (diagnostic_report_diagnostic): Check for kind changes.
13654 * opts.c (common_handle_option): Take lang_mask. Update callers.
13655 Handle OPT_Werror_.
13656 * common.opt (Werror=): New.
13657 * doc/invoke.texi: Document -Werror=*
13659 2006-01-18 Jeff Law <law@redhat.com>
13661 * tree-vrp.c (test_for_singularity): Correct test for new
13662 min limit. Use operand_equal_p rather than pointer equality
13663 for testing if new min/max values are equal.
13665 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13666 using range information until after propagation and folding.
13668 2006-01-18 Richard Henderson <rth@redhat.com>
13669 Aldy Hernandez <aldyh@redhat.com>
13670 Jakub Jelinek <jakub@redhat.com>
13671 Diego Novillo <dnovillo@redhat.com>
13673 * omp-low.c: New file.
13674 * c-omp.c: New file.
13676 2006-01-18 Richard Henderson <rth@redhat.com>
13677 Jakub Jelinek <jakub@redhat.com>
13678 Diego Novillo <dnovillo@redhat.com>
13680 * doc/invoke.texi: Document -fopenmp.
13681 * tree-dump.h (debug_function): Declare.
13682 * hooks.c (hook_bool_tree_bool_false): New function.
13683 (hook_tree_tree_null): Remove.
13684 (hook_tree_tree_tree_null): New.
13685 * hooks.h: Update to match.
13686 * tree-pretty-print.c (debug_tree_chain): New.
13687 (print_generic_expr): Handle TDF_CHAIN.
13688 (dump_generic_node): Handle BLOCK.
13689 Do not abort with incomplete SWITCH_EXPRs.
13690 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13691 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13692 print space after directive name.
13693 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13694 Handle OMP_MASTER and OMP_ORDERED.
13695 Handle printing of OMP_BODY just in one place, goto
13696 dump_omp_body in the rest of OMP_* nodes that have
13698 Don't handle clause nodes here. Update omp statements to
13699 use dump_omp_clauses.
13700 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13701 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13702 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13703 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13704 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13705 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13706 Adjust output for GOMP_PARALLEL.
13707 (dump_omp_clauses): New.
13708 (print_declaration): Dump DECL_VALUE_EXPR.
13709 (op_symbol_1): Split out of op_symbol.
13710 (dumping_stmts): Remove. Update all users.
13711 * cgraph.c (cgraph_analyze_queue): New.
13712 (cgraph_add_new_function): New.
13713 * cgraph.h (cgraph_analyze_queue): Declare.
13714 (cgraph_add_new_function): Declare.
13715 (cgraph_lower_function): Remove.
13716 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13717 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13718 and TYPE_P nodes in its default clause.
13719 (empty_body_p): New.
13720 (tree_range_check_failed): New.
13721 (build5_stat): New.
13722 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13723 OMP_CLAUSE_REDUCTION_MERGE,
13724 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13725 OMP_CLAUSE_PRIVATE_DEBUG,
13726 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13727 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13728 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13729 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13730 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13731 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13732 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13733 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13734 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13735 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13736 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13737 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13738 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13739 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13740 (TREE_RANGE_CHECK): New.
13741 (empty_body_p): Declare.
13742 (enum omp_clause_default_kind): New.
13743 (build_string_literal): Declare.
13744 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13745 (build5_stat, build5): Declare.
13746 * tree-pass.h (TDF_CHAIN): Define.
13747 * tree-pass.h (PROP_gimple_lomp): Define.
13748 (pass_lower_omp): Declare.
13749 * diagnostic.h (debug_tree_chain): Declare.
13750 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13752 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13753 * builtins.c (build_string_literal): Make extern.
13754 * gcc.c (include_spec_function): New.
13755 (static_spec_functions): Add it.
13756 (main): Move load of libgomp.spec ...
13757 (LINK_COMMAND_SPEC): ... here.
13758 (link_gomp_spec): New.
13759 (static_specs): Include it.
13760 (LINK_COMMAND_SPEC): Add link_gomp.
13761 (GOMP_SELF_SPECS): New.
13762 (driver_self_specs): Include it.
13763 (switch_matches): Don't mark inline.
13764 (main): Load libgomp.spec.
13765 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13766 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13767 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13768 * tree-gimple.h (enum omp_parallel): Declare.
13769 (determine_parallel_type): Declare.
13770 (omp_firstprivatize_variable): Declare.
13771 (omp_reduction_init): Declare.
13772 (diagnose_omp_structured_block_errors): Declare.
13773 (struct walk_stmt_info): Add want_return_expr.
13774 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13775 (find_omp_clause): Declare.
13776 (insert_field_into_struct): Declare.
13777 (struct walk_stmt_info): Move from tree-nested.c
13778 (walk_stmts): Declare.
13779 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13781 * cgraphunit.c (cgraph_lower_function): Make static.
13782 (cgraph_finalize_pending_functions): New.
13783 (cgraph_finalize_function): Call it.
13784 (cgraph_finalize_compilation_unit): Likewise.
13785 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13786 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13787 (BT_FN_UINT_UINT): New.
13788 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13789 DEF_FUNCTION_TYPE_VAR_4): Document.
13790 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13791 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13792 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13793 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13794 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13795 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13796 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13797 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13798 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13799 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13800 into separate files.
13801 (DEF_GOMP_BUILTIN): New.
13802 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13803 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13804 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13805 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13806 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13807 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13808 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13809 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13810 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13811 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13812 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13813 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13814 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13815 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13816 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13817 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13818 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13819 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13820 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13821 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13822 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13823 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13824 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13825 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13826 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13827 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13828 * sync-builtins.def: New file, moved from builtins.def.
13829 * omp-builtins.def: New file, moved from builtins.def.
13830 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13831 * gimple-low.c (lower_function_body): Clear data.
13832 (lower_stmt): Do not handle COMPOUND_EXPR.
13833 Remove call to print_node_brief.
13834 * c-tree.h (c_finish_omp_clauses): New prototype.
13835 (C_DECL_THREADPRIVATE_P): Define.
13836 (lookup_name_no_remap, c_omp_remap_private): Remove
13837 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13838 (check_for_loop_decls): Update decl.
13839 (lookup_name_no_remap, c_omp_remap_private): Declare.
13840 (build_indirect_ref, build_modify_expr, pushdecl,
13841 pushdecl_top_level): Move to c-common.h.
13842 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13843 before the switch, but just in the 2 places that need it.
13844 * c-decl.c (diagnose_mismatched_decls): Do not check for
13845 mismatched thread-local attributes when OLDDECL is marked
13846 threadprivate and NEWDECL has no thread-local attributes.
13847 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13848 (c_gimple_diagnostics_recursively): Rename from
13849 c_warn_unused_result_recursively. Invoke
13850 diagnose_omp_structured_block_errors.
13851 (check_for_loop_decls): Return a singular decl found.
13852 * langhooks.c (lhd_omp_predetermined_sharing): Return
13853 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13854 (lhd_omp_firstprivatize_type_sizes): New.
13855 (lhd_omp_assignment): New.
13856 (lhd_omp_predetermined_sharing): New.
13857 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13858 (struct lang_hooks_for_types): Add
13859 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13860 omp_predetermined_sharing, omp_disregard_value_expr,
13861 omp_private_debug_clause, omp_clause_default_ctor,
13862 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13863 (c_finish_omp_clauses): New.
13864 (c_finish_bc_stmt): Diagnose break within omp for.
13865 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13866 (build_unary_op): Return error_mark after reporting
13868 (build_modify_expr): Likewise.
13869 * gimplify.c: Include optabs.h and pointer-set.h.
13870 (enum gimplify_omp_var_data): Declare.
13871 (struct gimplify_omp_ctx): Declare.
13872 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13874 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13875 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13876 (splay_tree_compare_decl_uid): New.
13877 (new_omp_context): New.
13878 (delete_omp_context): New.
13879 (gimple_add_tmp_var): Call omp_add_variable.
13880 (gimplify_bind_expr): Likewise.
13881 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13882 true, disregard DECL_VALUE_EXPR on the decl if any.
13883 (gimplify_expr_in_ctx): New.
13884 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13885 omp_add_variable, omp_notice_variable, omp_is_private
13886 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13887 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13888 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13889 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13890 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13891 gimplify_omp_atomic): New.
13892 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13893 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13894 OMP_CRITICAL and OMP_ATOMIC.
13895 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13896 * c-pragma.h (enum pragma_kind): Add
13897 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13898 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13899 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13900 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13901 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13902 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13903 PRAGMA_OMP_THREADPRIVATE.
13904 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13905 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13906 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13907 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13908 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13909 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13910 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13911 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13912 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13913 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13914 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13915 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13916 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13918 (struct nesting_info): Add field_map,
13919 suppress_expansion, debug_var_chain.
13920 (create_nesting_tree): Initialize them.
13921 (lookup_field_for_decl): Use field_map.
13922 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13923 (convert_local_omp_clauses): New.
13924 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13925 (walk_body): Split out of walk_function.
13926 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13927 (convert_nonlocal_reference): Handle omp statements.
13928 (convert_local_reference): Likewise.
13929 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13930 (unnest_nesting_tree): New.
13931 (lower_nested_functions): Call it.
13932 (insert_field_into_struct): Make extern.
13933 (struct walk_stmt_info): Move to tree-gimple.h.
13934 (walk_stmts): Make extern.
13935 * omp-builtins.def: New file.
13936 * tree-iterator.c (expr_only): Clarify comment.
13937 * c-common.h (pushdecl_top_level, pushdecl,
13938 build_modify_expr, build_indirect_ref,
13939 c_finish_omp_master, c_finish_omp_critical,
13940 c_finish_omp_ordered, c_finish_omp_barrier,
13941 c_finish_omp_atomic, c_finish_omp_flush,
13942 c_finish_omp_for, c_split_parallel_clauses,
13943 omp_clause_default_kind, c_omp_sharing_predetermined,
13944 c_omp_remap_decl): Declare.
13945 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13946 (OBJS-common): Add omp-low.o.
13947 (c-omp.o, omp-low.o): Add.
13948 (gimplify.o): Add dependency on $(OPTABS_H).
13949 (GTFILES): Add omp-low.c.
13950 (gt-stringpool.h): Add.
13951 * tree-cfg.c (set_bb_for_stmt): Do not update the
13952 block-to-labels map if we are currently expanding to RTL.
13953 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13955 Handle IDENTIFIER_NODE.
13956 (tree_verify_flow_info): Do not ICE when emitting error
13957 messages about invalid labels.
13958 (dump_function_to_file): Reset CFUN before emitting the body
13960 (debug_function): New.
13961 * passes.c (init_optimization_passes): Schedule
13963 * langhooks-def.h (lhd_omp_predetermined_sharing,
13964 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13966 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13967 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13968 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13969 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13970 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13971 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13972 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13973 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13974 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13975 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13976 (LANG_HOOK_DECLS): Use them.
13978 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13979 Richard Henderson <rth@redhat.com>
13980 Jakub Jelinek <jakub@redhat.com>
13981 Diego Novillo <dnovillo@redhat.com>
13983 * c-parser.c (pragma_omp_clause): Define.
13984 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13985 (c_parser_compound_statement): Likewise.
13986 (c_parser_statement): Likewise.
13987 (c_parser_pragma): Handle omp pragmas.
13988 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13989 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13990 (c_parser_omp_clause_name, check_no_duplicate_clause,
13991 c_parser_omp_variable_list,
13992 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13993 c_parser_omp_clause_copyprivate,
13994 c_parser_omp_clause_default,
13995 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13996 c_parser_omp_clause_lastprivate,
13997 c_parser_omp_clause_nowait,
13998 c_parser_omp_clause_num_threads,
13999 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14000 c_parser_omp_clause_reduction,
14001 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14002 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14003 c_parser_omp_atomic, c_parser_omp_barrier,
14004 c_parser_omp_critical, c_parser_omp_flush,
14005 c_parser_omp_for_loop, c_parser_omp_for,
14006 c_parser_omp_master, c_parser_omp_ordered,
14007 c_parser_omp_sections_scope, c_parser_omp_sections,
14008 c_parser_omp_parallel, c_parser_omp_single,
14009 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14010 * c-pragma.c (init_pragma): Do omp pragma registration here.
14011 * c.opt (fopenmp): New flag.
14013 2006-01-18 Eric Christopher <echristo@apple.com>
14015 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14016 * config/darwin.h (GOMP_SELF_SPECS): Define.
14018 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14020 * rtl.h: Remove the prototype for reg_alloc.
14022 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14025 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14026 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14027 sjlj and dwarf2 exception handling.
14028 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14029 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14030 * pa/pa.c (function_value): Treat complex and vector types as
14032 (function_arg): Likewise. Only pass scalar floats in the floating
14033 point argument registers.
14034 * pa/t-slibgcc-dwarf-ver: New file.
14035 * pa/t-slibgcc-sjlj-ver: New file.
14036 * pa/t-slibgcc-elf-ver: Delete file.
14038 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14040 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14041 unlikely_test_section_p test.
14043 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14045 * mode-switching.c (optimize_mode_switching): Make it static.
14046 * basic-block.h: Remove the prototype for
14047 optimize_mode_switching.
14049 * modulo-sched.c (sms_schedule): Make it static.
14050 * rtl.h: Remove the prototype for sms_schedule.
14052 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14053 * rtl.h: Remove the prototype for gcse_after_reload_main.
14055 * reg-stack.c (reg_to_stack): Make it static.
14056 * rtl.h: Remove the prototype for reg_to_stack.
14058 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14060 * rtl.h: Remove the prototypes for regrename_optimize and
14061 copyprop_hardreg_forward.
14063 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14065 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14066 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14067 Test against the appropriate null constant for the mode.
14068 If 'fixup_overlap' is true, swap the operands if they overlap.
14069 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14070 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14071 alpha_split_tmode_pair and adjust for above change.
14072 * config/alpha/alpha.md (movtf_internal): Adjust call to
14073 alpha_split_tfmode_pair and rely on it to swap the operands.
14074 (movti_internal): New insn and post-reload splitter.
14075 (movti): New expander.
14077 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14079 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14082 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14084 * rtlanal.c (global_reg_mentioned_p_1,
14085 global_reg_mentioned_p): Remove.
14086 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14088 * flow.c (initialize_uninitialized_subregs): Make it static.
14089 * rtl.h: Remove the prototype for
14090 initialize_uninitialized_subregs.
14092 * function.c (instantiate_virtual_regs): Make it static.
14093 * function.h: Remove the prototype for
14094 instantiate_virtual_regs.
14096 * regmove.c (regmove_optimize, combine_stack_adjustments):
14098 * rtl.h: Remove the prototypes for regmove_optimize and
14099 combine_stack_adjustments.
14101 2006-01-17 Roger Sayle <roger@eyesopen.com>
14103 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14104 (size_cost): Encode costs in bytes so that a reg-reg addition is
14105 equivalent to COSTS_N_INSNS(1).
14106 (override_options): Use the size_cost.branch_cost as the default
14107 ix86_branch_cost when optimizing for size.
14109 2006-01-18 Ben Elliston <bje@au.ibm.com>
14111 * Makefile.in (D32PBIT_FUNCS): New.
14112 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14113 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14114 D64PBIT_FUNCS and D128PBIT_FUNCS.
14115 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14116 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14118 (decnumber_dep): Define.
14119 * doc/libgcc.texi (Decimal float library routines): New node.
14120 * config/dfp-bit.h, config/dfp-bit.c: New files.
14122 2006-01-18 Ben Elliston <bje@au.ibm.com>
14124 * expr.c (emit_move_change_mode): Always adjust addresses, not
14125 just during reload. Copy replacements only during reload.
14126 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14127 emit_move_via_integer.
14129 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14131 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14132 instead of $(srcdir) and ${srcdir}.
14134 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14137 PR middle-end/11135
14138 * arm.h (struct machine_function): Add pic_reg.
14139 * arm.c (arm_pic_register): Make unsigned.
14140 (arm_override_options): Only set arm_pic_register if
14141 TARGET_SINGLE_PIC_BASE.
14142 (use_return_insn): Only test for a pic register if it is fixed.
14143 (arm_compute_save_reg0_reg12_mask): Likewise.
14144 (thumb_compute_save_reg_mask): Likewise.
14145 (legitimate_pic_operand): Factor out some known invariants.
14146 (legitimize_pic_address): If we don't have a fixed pic register,
14147 then set up a pseudo in the function entry sequence. Handle the
14148 pic base being in a pseudo.
14149 (arm_load_pic_register): Handle the pic register being in a pseudo.
14150 (arm_expand_prologue): Only set up the pic register if it is fixed.
14151 (thumb_expand_prologue): Likewise.
14152 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14153 (pic_load_addr_based_insn): Likewise.
14154 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14157 2006-01-18 Ben Elliston <bje@au.ibm.com>
14159 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14160 decimal float modes for all floating point registers.
14162 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14163 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14165 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14168 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14169 even when the pointer is not NULL.
14171 2006-01-16 Ian Lance Taylor <ian@airs.com>
14173 * common.opt (ftoplevel-reorder): New option.
14174 * cgraph.c (cgraph_asm_nodes): New global variable.
14175 (cgraph_asm_last_node): New static variable.
14176 (cgraph_order): New global variable.
14177 (cgraph_create_node): Set new order field.
14178 (cgraph_varpool_node): Likewise.
14179 (decide_is_variable_needed): Return true if not
14180 flag_toplevel_reorder.
14181 (cgraph_add_asm_node): New function.
14182 * cgraph.h (struct cgraph_node): Add order field.
14183 (struct cgraph_varpool_node): Add order field.
14184 (struct cgraph_asm_node): Define.
14185 (cgraph_asm_nodes, cgraph_order): Declare.
14186 (cgraph_add_asm_node): Declare.
14187 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14189 (cgraph_varpool_assemble_pending_decls): Call it.
14190 (cgraph_output_pending_asms): New static function.
14191 (cgraph_finalize_compilation_unit): Call it.
14192 (struct cgraph_order_sort): Define.
14193 (cgraph_output_in_order): New static function.
14194 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14195 !flag_toplevel_reorder case.
14196 * c-parser.c: Include "cgraph.h".
14197 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14199 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14200 than -fno-unit-at-a-time.
14201 * doc/invoke.texi (Option Summary): Mention
14202 -fno-toplevel-reorder.
14203 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14204 -funit-at-a-time documentation.
14206 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14207 Kazu Hirata <kazu@codesourcery.com>
14209 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14211 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14213 * Makefile.in (FUNCTION_H): New. Use it instead of
14214 function.h throughout the file.
14215 * function.h: Include tree.h.
14217 2006-01-17 Ben Elliston <bje@au.ibm.com>
14219 * recog.c: Separate some functions with whitespace.
14221 2006-01-16 Richard Henderson <rth@redhat.com>
14223 Merge from gomp branch:
14224 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14225 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14226 and rename from struct inline_data. Rename callee* to dst*;
14227 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14228 transform_new_cfg, transform_return_to_modify, and
14229 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14231 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14232 (copy_decl_for_dup): Remove.
14233 * tree-inline.c (struct inline_data): Move to header.
14234 (insert_decl_map): Export.
14235 (remap_decl): Update for member name changes. Use copy_decl hook.
14236 Allow for replacement to be a non-decl. Remove dead code.
14237 (remap_type_1): Check for existing mapping.
14238 (remap_type): Export.
14239 (remap_decls): Update for member name changes.
14240 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14241 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14242 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14243 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14244 (tree_function_versioning, build_duplicate_type): Likewise.
14245 (copy_body_r): Likewise. Export.
14246 (copy_decl_for_dup): Split into ...
14247 (copy_decl_for_dup_finish, copy_decl_to_var,
14248 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14249 (replace_ref_tree, inlining_p): Remove.
14251 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14253 * ifcvt.c (if_convert): Make it static.
14254 * rtl.h: Remove the prototype for if_convert.
14256 * local-alloc.c (local_alloc): Make it static.
14257 * rtl.h: Remove the prototype for local_alloc.
14259 * loop.c (loop_optimize): Make it static.
14260 * cfgloop.h: Remove the prototype for loop_optimize.
14263 2006-01-16 DJ Delorie <dj@redhat.com>
14265 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14268 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14270 * pa.md: Disparage copies between general and floating-point registers
14271 in 32-bit move patterns.
14273 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14276 * Makefile.in (check-%): Depend on site.exp instead of
14277 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14280 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14282 * global.c (global_alloc): Make it static.
14283 * rtl.h: Remove the prototype for global_alloc.
14285 2006-01-16 Richard Guenther <rguenther@suse.de>
14287 * tree-ssa-alias.c (struct used_part): Add write_only field.
14288 (get_or_create_used_part_for): Initialize it to true.
14289 (create_overlap_variables_for): Don't create structure variables
14290 for structures that only are written to.
14291 (find_used_portions): Handle MODIFY_EXPR to track whether a
14292 structure is only written to.
14294 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14296 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14298 * basic-block.h: Remove the prototype for
14299 partition_hot_cold_basic_blocks.
14301 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14303 * cppspec.c (lang_specific_spec_functions): Remove.
14304 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14305 * gcc.h (lang_specific_spec_functions): Remove.
14306 * gccspec.c (lang_specific_spec_functions): Remove.
14308 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14310 * combine.c (record_value_for_reg): Invalidate registers
14312 (record_dead_and_set_regs_1): Likewise, by passing them to
14313 record_value_for_reg.
14314 (record_dead_and_set_regs): Invalidate stores made by a
14315 call. We do not combine across a call, but we still
14316 relied on equivalences.
14318 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14320 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14321 vrp_int_const_binop returning non-constant nodes.
14323 2006-01-16 Paul Brook <paul@codesourcery.com>
14325 * config/m68k/m68k.c (output_move_const_into_data_reg):
14326 Output correct mnemonic for mvz and mvs.
14328 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14330 * rtl-factoring.c: Add sequence abstraction algorithm.
14331 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14332 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14334 (block_has_preserve_label): New function.
14335 * common.opt: Register new pass.
14336 * Makefile.in: Ditto.
14338 * timevar.def: Ditto.
14339 * tree-pass.h: Ditto.
14340 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14341 * rtl.h (make_jump_insn_raw): Add forward decl.
14342 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14344 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14345 Roger Sayle <roger@eyesopen.com>
14347 * fold-const.c (fold_minmax): New static function.
14348 (fold_binary) <MIN_EXPR>: Call it.
14349 <MAX_EXPR>: Likewise.
14350 * stor-layout.c (place_field): Use DECL_SIZE consistently
14351 in the computation of the new record size.
14353 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14355 * cse.c (cse_condition_code_reg): Make it static.
14356 * rtl.h: Remove the prototype for cse_condition_code_reg.
14358 * combine.c (combine_instructions): Make it static.
14359 * rtl.h: Remove the prototype for combine_instructions.
14361 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14364 * tree.c (get_file_function_name_long): Concatenate the first global
14365 object name with a string derived from the input filename of the object
14368 2006-01-16 Ben Elliston <bje@au.ibm.com>
14370 * config/i386/winnt-stubs.c: Update FSF address.
14371 * config/xtensa/ieee754-df.S: Ditto.
14372 * config/xtensa/ieee754-sf.S: Ditto.
14374 2006-01-14 Ian Lance Taylor <ian@airs.com>
14376 * ifcvt.c (noce_init_if_info): New static function, broken out of
14377 noce_process_if_block.
14378 (noce_process_if_block): Call noce_init_if_info.
14379 (check_cond_move_block): New static function.
14380 (cond_move_process_if_block): New static function.
14381 (process_if_block): Call cond_move_process_if_block.
14383 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14385 * cselib.c (hash_table): Rename to cselib_hash_table.
14386 (cselib_clear_table, discard_useless_values,
14387 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14388 cselib_init, cselib_finish): Adjust uses of hash_table.
14390 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14392 PR tree-optimization/25485
14393 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14394 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14395 is known to be false and true, respectively.
14397 2006-01-14 Richard Guenther <rguenther@suse.de>
14399 PR tree-optimization/22548
14400 PR tree-optimization/22555
14401 PR tree-optimization/22501
14402 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14403 * params.def (salias-max-array-elements): New parameter.
14404 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14405 * doc/invoke.texi (salias-max-array-elements): Document.
14406 * tree-flow-inline.h (var_can_have_subvars): We also handle
14408 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14410 * tree-ssa-structalias.c (params.h): Include.
14411 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14412 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14413 (get_constraint_for): For ADDR_EXPR operating on something
14414 containing an ARRAY_REF, add all subvars to the solution.
14415 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14416 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14417 for creating MUST_DEFs.
14418 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14420 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14422 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14424 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14425 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14426 number_of_iterations_le): New functions.
14427 (number_of_iterations_special): Removed.
14428 (number_of_iterations_exit): Do not use number_of_iterations_special.
14429 * tree.c (unsigned_type_for): Always return integer type.
14431 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14432 Richard Guenther <rguenther@suse.de>
14434 PR rtl-optimization/24257
14435 * gcse.c (find_moveable_store): Only consider a store movable
14436 when the SET_SRC of the insn can be assigned to a register.
14438 2006-01-14 Ian Lance Taylor <ian@airs.com>
14440 * tree.c (tree_not_class_check_failed): New function.
14441 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14442 (tree_not_class_check_failed): Declare.
14444 2006-01-13 Ian Lance Taylor <ian@airs.com>
14446 * reload1.c (do_output_reload): Add assertion rejecting a
14449 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14451 * combine.c (struct reg_stat): Add new fields truncation_label and
14453 (record_value_for_reg): Reset truncated_to_mode.
14454 (record_truncated_value): New function.
14455 (check_promoted_subreg): Call it. Rename to check_conversions.
14456 (combine_instructions): Rename check_promoted_subreg to
14458 (reg_truncated_to_mode): New function.
14459 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14460 (gen_lowpart_or_truncate): New function.
14461 (force_to_mode): Use it instead of gen_lowpart.
14463 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14465 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14466 VAR is a tag, not its type tag.
14468 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14470 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14471 alternatives to match style of other entries.
14472 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14474 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14476 PR tree-optimization/25771
14477 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14480 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14483 * tree-inline.c (declare_return_variable): If the return variable
14484 was marked as a non gimple complex, set the return slot variable
14485 to be a non gimple comple variable.
14487 2006-01-13 Richard Guenther <rguenther@suse.de>
14489 * builtins.c (expand_builtin_sincos): New function.
14490 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14492 (expand_builtin): Expand sincos using expand_builtin_sincos.
14494 2006-01-12 DJ Delorie <dj@redhat.com>
14496 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14497 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14498 so that constant shifts can be split.
14499 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14500 (m32c_valid_pointer_mode): Make static.
14501 (shift_gen_func_for): New.
14502 (m32c_prepare_shift): Use it. Split large const shifts into
14504 * config/m32c/predicates.md (shiftcount_operand): Allow more
14506 (longshiftcount_operand): New.
14507 * doc/md.texi (Machine Constraints): Document In6.
14509 2006-01-13 Ben Elliston <bje@au.ibm.com>
14511 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14512 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14515 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14517 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14518 to try to avoid clobbering pieces of structures when we know
14519 something about the whole structure.
14520 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14522 2006-01-13 Ben Elliston <bje@au.ibm.com>
14524 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14525 return in memory, as this is no limitation is no longer present.
14527 2006-01-12 DJ Delorie <dj@redhat.com>
14529 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14530 mova with fb, and for fb+0 -> An.
14532 * config/m32c/mov.md (peephole2): Fix enabling logic.
14534 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14535 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14536 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14537 FINI_ARRAY_SECTION_ASM_OP): Define.
14539 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14541 (m32c_legitimize_reload_address): New logic to reload FB to An.
14542 (m32c_output_reg_push): Add newline.
14543 (m32c_output_reg_pop): Likewise.
14545 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14547 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14549 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14551 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14553 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14555 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14558 2006-01-11 Ben Elliston <bje@au.ibm.com>
14560 * rtlanal.c (find_reg_note): Assert insn is not null.
14562 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14564 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14567 2006-01-11 Jeff Law <law@redhat.com>
14569 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14571 (mark_threaded_blocks, register_jump_thread): New functions.
14572 (thread_through_all_blocks): Remove unwanted argument. No
14573 longer rely on e->aux to communicate thread target info.
14574 Call mark_threaded_blocks. Release the threaded_blocks
14575 bitmap and threaded_edges vector when complete.
14576 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14577 (threaded_blocks): Remove.
14578 (tree_ssa_dominator_optimize): Remove initialization and
14579 finalization of threaded_blocks. Simplify call to
14580 thread_through_all_blocks.
14581 (thread_across_edge): Call register_jump_thread rather than
14582 storing thread information into e->aux.
14583 (free_all_edge_infos): Simplify now that e->aux is no longer
14584 used to communicate with thread_through_all_blocks.
14585 * tree-flow.h (thread_through_all_blocks): Update prototype.
14586 (register_jump_thread): Prototype.
14588 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14590 * df-core.c (df_compact_blocks, df_bb_replace): Use
14591 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14593 2006-01-11 Richard Guenther <rguenther@suse.de>
14595 PR tree-optimization/25734
14596 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14597 stop propagation after successful propagation to the LHS.
14599 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14601 * basic-block.h (control_flow_graph): Change the type of
14602 x_basic_block_info to VEC(basic_block,gc) *.
14603 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14605 (SET_BASIC_BLOCK): New.
14606 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14607 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14608 * cfgbuild.c (find_basic_blocks): Likewise.
14609 * cfglayout.c (fixup_reorder_chain): Likewise.
14610 * cfgrtl.c (create_basic_block_structure,
14611 rtl_create_basic_block): Likewise.
14612 * ifcvt.c (find_if_case_1): Likewise.
14613 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14616 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14618 * Makefile.in: Removed rotted odf.c entry.
14620 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14623 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14624 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14625 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14626 output pattern modifier, not %e.
14627 * config/cris/cris.c (cris_op_str): Update comment about pattern
14629 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14630 before falling through into...
14631 <case 'E'>: Redefined from old 'e' case.
14633 2006-01-11 Jan Hubicka <jh@suse.cz>
14636 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14638 2006-01-11 Jan Hubicka <jh@suse.cz>
14640 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14641 * i386.c (x86_decompose_lea): Kill.
14642 (ix86_rtx_costs): Kill.
14644 2006-01-11 Jan Hubicka <jh@suse.cz>
14646 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14647 * cgraph.h (cgraph_node): Add inline_decl.
14648 (cgraph_insert_node_to_hashtable): Declare.
14649 (save_inline_function_body): Declare.
14650 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14652 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14653 (cgraph_function_versioning): Update call of tree_function_versioning.
14654 (save_inline_function_body): New function.
14655 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14656 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14657 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14658 (cgraph_default_inline_p): Likewise.
14659 (cgraph_decide_inlining_incrementally): Likewise.
14660 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14661 (copy_bb): Kill saving; do updating of clones.
14662 (copy_cfg_body): Kill saving.
14663 (initialize_inlined-parameters): Likewise.
14664 (expand_call_inline): Likewise.
14666 (tree_function_versioning): New parameter "update_clones".
14667 (inlining_p): Kill saving.
14668 * tree-inline.h (tree_function_versioning): Update prototype.
14669 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14672 2006-01-11 Ian Lance Taylor <ian@airs.com>
14674 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14675 Allow undoing set of machine mode.
14676 (do_SUBST): Use enums instead of is_int.
14677 (do_SUBST_MODE): New function.
14678 (SUBST_MODE): New macro.
14679 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14680 reg and trying to replace reg_regno_rtx with a new register.
14681 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14682 (simplify_set): Use SUBST_MODE.
14683 (distribute_notes): Remove code that tried to update reg notes
14684 for regno_reg_rtx changes.
14686 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14688 PR tree-optimization/23109
14689 PR tree-optimization/23948
14690 PR tree-optimization/24123
14692 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14693 * tree-cfg.c (single_noncomplex_succ): New.
14694 * tree-flow.h (single_noncomplex_succ): Declare it.
14695 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14696 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14697 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14698 insert_bb, register_division_in, insert_reciprocals,
14699 replace_reciprocal, free_bb): New.
14700 (execute_cse_reciprocals_1): Rewritten.
14701 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14702 Do not commit any edge insertion. Always compute dominators and
14703 create the allocation pool.
14704 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14705 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14706 * targhooks.c (default_min_divistions_for_recip_mul): New.
14707 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14708 * passes.c (init_optimization_passes): Run recip after tree loop
14710 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14712 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14713 Kenneth Zadeck <zadeck@naturalbridge.com>
14715 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14716 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14717 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14718 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14719 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14720 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14721 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14722 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14723 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14724 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14725 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14726 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14727 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14728 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14729 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14730 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14731 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14732 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14733 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14734 DF_SCAN_POST_ALLOC): New macros.
14735 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14736 df_free_bb_function, df_local_compute_function, df_init_function,
14737 df_dataflow_function, df_confluence_function_0,
14738 df_confluence_function_n, df_transfer_function,
14739 df_finalizer_function, df_free_function, df_dump_problem_function,
14740 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14741 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14742 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14743 df_urec_bb_info, ) New types.
14744 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14746 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14747 df_analyze_simple_change_some_blocks,
14748 df_analyze_simple_change_one_block, df_compact_blocks,
14749 df_bb_replace, df_bb_regno_last_use_find,
14750 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14751 df_insn_regno_def_p, df_find_def, df_find_use,
14752 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14753 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14754 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14755 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14756 debug_df_chain, df_get_dependent_problem, df_chain_create,
14757 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14758 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14759 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14760 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14761 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14762 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14763 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14764 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14765 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14766 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14767 df_reorganize_refs, df_set_state, df_hard_reg_init,
14768 df_read_modify_subreg_p) New public functions.
14769 * df-core.c: The core dataflow solver and glue routines for rtl
14771 (df_init, df_add_problem, df_set_blocks, df_finish,
14772 df_hybrid_search_forward, df_hybrid_search_backward,
14773 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14774 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14775 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14776 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14777 df_reg_defined, df_find_use, df_reg_used, df_dump,
14778 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14779 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14780 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14781 debug_df_useno, reset_df_after_reload): New functions.
14782 * df-scan.c: The scanning fuctions, once in df.c, completely
14783 rewritten so that they now fully model the functionality of
14784 register usage at the backend.
14785 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14786 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14787 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14788 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14789 df_get_artificial_defs, df_get_artificial_uses,
14790 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14791 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14792 df_refs_delete, df_reorganize_refs, df_set_state,
14793 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14794 df_def_record_1, df_defs_record, df_uses_record,
14795 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14796 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14797 df_record_exit_block_uses, df_hard_reg_init): New functions.
14799 * df-problems.c: Seven concrete dataflow problems that use the
14800 scanning in df-scan.c and are solved by the engine in df-core.c.
14801 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14802 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14803 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14804 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14805 df_ru_free_bb_info, df_ru_alloc,
14806 df_ru_bb_local_compute_process_def,
14807 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14808 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14809 df_ru_transfer_function, df_ru_free, df_ru_dump,
14810 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14811 df_rd_free_bb_info, df_rd_alloc,
14812 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14813 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14814 df_rd_transfer_function, df_rd_free, df_rd_dump,
14815 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14816 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14817 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14818 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14819 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14820 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14821 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14822 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14823 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14824 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14825 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14826 df_urec_mark_reg_use_for_earlyclobber,
14827 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14828 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14829 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14830 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14831 df_chain_create_bb_process_use, df_chain_create_bb,
14832 df_chain_finalize, df_chain_free, df_chains_dump,
14833 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14834 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14835 df_reg_lifetime): New functions.
14836 * df.c: Deleted file.
14837 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14838 consistent with new df api.
14839 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14840 rest_of_handle_sms): Ditto.
14841 * web.c (unionfind_union, union_defs, entry_register, web_main):
14843 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14844 invariant_expr_equal_p, find_defs, check_dependencies,
14845 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14846 free_inv_motion_data, move_loop_invariants): Ditto.
14847 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14848 Update dependencies.
14849 (odf.c): Added defective entry that was deleted later in day.
14850 * sched-deps.c (sched_analyze_1): Ditto.
14852 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14854 * tree-ssa-operands.c (get_expr_operands): Record addressable
14855 variables directly. Do not call add_stmt_operands for CONST_DECLs
14857 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14858 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14860 2006-01-11 Ben Elliston <bje@au.ibm.com>
14862 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14863 function returns true in the positive case.
14865 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14868 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14869 for SI, DI, SF and DF modes. Add alternatives to copy between
14870 general and floating point registers to the 32-bit patterns.
14871 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14872 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14873 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14874 generating 64-bit code.
14875 * config/pa/pa.c (output_move_double): Handle copies between general
14876 and floating registers.
14878 2006-01-10 Stuart Hastings <stuart@apple.com>
14880 * config/i386/i386.md (set_got): Update.
14881 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14882 (builtin_setjmp_receiver): Mach-O support.
14883 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14884 (GOT_SYMBOL_NAME): Define.
14885 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14886 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14887 * config/i386/i386.c (override_options): Revise for Darwin.
14888 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14889 support. (darwin_x86_file_end): New. (output_set_got): Add label
14890 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14891 * config/i386/i386-protos.h (output_set_got): Likewise.
14892 * config/darwin.c (machopic_legitimize_pic_address): Update
14895 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14897 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14898 when MODE isn't BLKmode.
14900 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14902 PR rtl-optimization/25367
14903 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14905 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14908 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14909 for a negative bound.
14911 2006-01-10 Richard Guenther <rguenther@suse.de>
14913 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14914 Never override with anything constraint.
14916 2006-01-10 Jan Beulich <jbeulich@novell.com>
14918 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14919 256 bits when optimize_size.
14921 2006-01-10 Jan Beulich <jbeulich@novell.com>
14923 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14925 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14926 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14929 2006-01-10 Ben Elliston <bje@au.ibm.com>
14931 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14933 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14934 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14935 (USE_FP_FOR_ARG): Reject decimal float modes.
14936 (function_arg_advance): Likewise.
14937 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14938 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14939 point types in AltiVec vectors.
14940 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14941 (rs6000_libcall_value): Likewise.
14943 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14945 * config/xtensa/ieee754-df.S: New file.
14946 * config/xtensa/ieee754-sf.S: New file.
14947 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14948 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14949 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14951 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14953 * config/sh/predicates.md (binary_float_operator,
14954 binary_logical_operator, commutative_float_operator,
14955 equality_comparison_operator, greater_comparison_operator,
14956 less_comparison_operator, logical_operator,
14957 noncommutative_float_operator, shift_operator,
14958 symbol_ref_operand, unary_float_operator): Remove redundant
14961 2006-01-09 Jeff Law <law@redhat.com>
14963 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14964 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14965 now unused arguments. Callers updated.
14966 (eliminate_redundant_computations): Remove now unused arguments,
14968 (local_fold): Remove, no longer used.
14969 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14971 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14972 (simplify_cond): New function.
14973 (forward_propagate_into_cond): Call simplify_cond.
14975 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14977 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14978 (*vec_extractv2di_1_sse): New.
14980 2006-01-09 Ben Elliston <bje@au.ibm.com>
14982 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14984 2006-01-08 Richard Guenther <rguenther@suse.de>
14986 * tree-ssa-structalias.c (get_constraint_for): Remove
14987 anyoffset argument.
14988 (get_constraint_for_component_ref): Likewise.
14989 (do_deref): Likewise.
14990 (get_constraint_for): Likewise.
14991 (do_structure_copy): Likewise.
14992 (handle_ptr_arith): Likewise.
14993 (find_func_aliases): Likewise. Remove unused need_anyoffset
14996 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14997 Kaz Kojima <kkojima@gcc.gnu.org>
14999 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15000 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15001 (EXTRA_CONSTRAINT_C16): Remove.
15002 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15003 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15004 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15005 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15006 constants of SHmedia. Handle nested constant expressions of
15008 (andcosts): Fix the costs for SHmedia constants.
15009 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15010 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15011 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15012 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15013 (movv4hi_i, movv2si_i): Likewise.
15014 (movsi_const): Adjust the second operand of ior so to match with
15015 the Csu constraint.
15016 (movdi_const, movdi_const_32bit): Likewise.
15017 (movdi_const_16bit+1): Don't sign-extend LOW.
15018 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15020 (*double_shori): Fix the split condition. Use GEN_INT instead
15021 of get_int_mode calls. Mask lower 16-bit of the argument of
15023 (sym2GOTPLT): Remove.
15024 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15026 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15027 instead of EXTRA_CONSTRAINT_C16.
15029 2006-01-07 Ian Lance Taylor <ian@airs.com>
15030 David Edelsohn <edelsohn@gnu.org>
15032 PR rtl-optimization/25662
15033 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15034 for constant operands instead of simplify_gen_binary.
15035 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15036 after trying simplify_binary_operation
15038 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15040 * tree.c (iterative_hash_expr): Hash decls based on UID.
15042 2006-01-06 Eric Christopher <echristo@apple.com>
15044 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15045 (TARGET_UNWIND_EMIT): Fix spelling.
15046 * target.h (gcc_target): Add except_table_label.
15047 * except.c (output_function_exception_table): Use.
15048 * varasm.c (default_emit_except_table_label): New.
15049 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15051 (asm_out): Add here.
15052 * output.h (default_emit_except_table_label): Prototype.
15053 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15054 * config/darwin.c (darwin_emit_except_table_label): Define.
15055 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15057 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15059 PR tree-optimization/18527
15060 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15061 number_of_iterations_special, number_of_iterations_exit):
15062 Move base and step of an iv to a single structure. Add
15063 no_overflow flag, and use it in # of iterations analysis.
15064 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15065 folded_casts argument.
15066 (simple_iv): Pass base and step in a structure. Set no_overflow
15068 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15069 Evaluate expensiveness of computing # of iterations instead of
15070 the final expression.
15071 * tree-scalar-evolution.h (affine_iv): New structure.
15072 (simple_iv): Declaration changed.
15073 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15074 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15075 find_givs_in_stmt): Changed due to simple_iv change.
15077 2006-01-06 Jeff Law <law@redhat.com>
15080 * tree-cfg.c (bsi_replace): Rename final argument from
15081 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15082 change (stmt -> orig_stmt).
15083 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15084 (bsi_remove): Add new argument. Remove EH information
15086 (verify_eh_throw_table_statements): New function.
15087 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15089 * tree-optimize.c (execute_free_cfg_annotations): Verify
15090 the EH throw statement table after removing annotations.
15091 * except.h (verify_eh_throw_table_statements): Prototype.
15092 * tree-flow.h (bsi_remove): Update prototype.
15093 * tree-vrp.c (remove_range_assertions): Add new argument to
15095 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15096 * tree-complex.c (expand_complex_div_wide): Likewise.
15097 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15098 * tree-tailcall.c (eliminate_tailcall): Likewise.
15099 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15100 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15101 * tree-nrv.c (tree_nrv): Likewise.
15102 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15103 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15104 (combine_blocks): Likewise.
15105 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15106 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15107 (cleanup_control_flow): Likewise.
15108 (remove_forwarder_block): Likewise.
15109 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15110 * tree-sra.c (sra_replace): Likewise.
15111 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15112 (forward_propagate_single_use_vars): Likewise.
15113 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15114 * tree-inline.c (expand_call_inline): Likewise.
15115 * tree-vect-transform.c (vect_transform_loop): Likewise.
15116 * tree-outof-ssa.c (rewrite_trees): Likewise.
15117 * tree-cfg.c (make_goto_expr_edges): Likewise.
15118 (cleanup_dead_labels): Likewise.
15119 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15120 (bsi_move_before, bsi_move_after): Likewise.
15121 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15122 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15124 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15127 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15129 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15130 on non gimple variables. Also add checks at the top for decls and
15132 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15134 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15135 and IMAGPART_EXPR for creating MUST_DEFs.
15136 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15137 and NAME_MEMORY_TAG separately from the DECLs.
15139 2006-01-06 Richard Guenther <rguenther@suse.de>
15141 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15142 annotation, if necessary.
15143 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15144 redundant calls to update_stmt.
15145 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15148 2006-01-05 Richard Henderson <rth@redhat.com>
15150 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15152 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15154 * c-typeck.c: Update copyright date.
15156 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15158 * c-typeck.c (build_c_cast): Always warn when casting
15159 from a pointer to an integer of different size, even if
15160 the node was constant.
15162 2006-01-05 Richard Guenther <rguenther@suse.de>
15164 PR tree-optimization/22555
15165 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15166 if one structure field is an array.
15167 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15168 operands even if we found a subvar, but ignore VOPs in this
15170 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15172 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15174 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15176 PR middle-end/24998
15177 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15179 2006-01-05 Richard Guenther <rguenther@suse.de>
15180 Diego Novillo <dnovillo@redhat.com>
15182 * tree-pass.h (TODO_remove_unused_locals): Define.
15183 * gimple-low.c (expand_var_p, remove_useless_vars,
15184 pass_remove_useless_vars): Remove. Update all users.
15185 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15186 (remove_unused_locals): New function.
15187 * tree-flow.h (remove_unused_locals): Declare.
15188 * passes.c (execute_todo): Call remove_unused_locals if
15189 TODO_remove_unused_locals is set.
15190 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15191 * tree-ssa-dce.c (pass_dce): Likewise.
15192 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15194 2006-01-05 Richard Guenther <rguenther@suse.de>
15196 * tree-flow.h (struct fieldoff): Decompose field to
15197 type, size and decl.
15198 * tree-ssa-alias.c (create_sft): Take type as parameter.
15199 (create_overlap_variables_for): Store type, size and decl
15200 in the fieldoff structure.
15201 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15202 of struct fieldoff.
15203 (push_fields_onto_fieldstack): Likewise.
15204 (create_variable_info_for): Likewise. Use offset for the
15205 SFT name if the decl is not available.
15207 2006-01-04 Paul Brook <paul@codesourcery.com>
15209 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15211 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15213 * lambda-code.c (can_put_in_inner_loop): Relax
15215 (can_put_after_inner_loop): New function.
15216 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15217 (perfect_nestify): Change to make copies and modify uses.
15219 2006-01-04 Richard Henderson <rth@redhat.com>
15221 Merge from gomp branch:
15222 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15223 via integer constant.
15224 (pragma_lex): Remove.
15225 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15226 rather than parsing it.
15227 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15228 handle_pragma_extern_prefix): Add %< %> quotes.
15229 (registered_pragmas): New.
15230 (c_register_pragma_1): New.
15231 (c_register_pragma): Use it.
15232 (c_register_pragma_with_expansion): Likewise.
15233 (c_invoke_pragma_handler): New.
15234 (init_pragma): Use cpp_register_deferred_pragma directly for
15236 * c-pragma.h (enum pragma_kind): New.
15237 (pragma_handler): New.
15238 (c_invoke_pragma_handler): Declare.
15239 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15241 * c-common.h (c_common_pch_pragma): Update decl.
15242 * Makefile.in (c-parser.o): Update dependencies.
15243 (GTFILES): Add c-pragma.h.
15244 * c-parser.c (struct c_token): Add pragma_kind.
15245 (struct c_parser): Add in_pragma.
15246 (c_lex_one_token): Always initialize keyword and pragma_kind.
15247 Extract data for CPP_PRAGMA.
15248 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15249 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15250 Don't allow CPP_PRAGMA_EOL if in_pragma.
15251 (c_parser_consume_pragma): New.
15252 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15253 (c_parser_skip_to_end_of_parameter): Likewise.
15254 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15255 (c_parser_skip_to_pragma_eol): New.
15256 (c_parser_external_declaration): Handle CPP_PRAGMA.
15257 (c_parser_compound_statement_nostart): Likewise.
15258 (c_parser_statement_after_labels): Likewise.
15259 (c_parser_pragma): New.
15260 (pragma_lex): Likewise.
15261 (c_parser_pragma_pch_preprocess): New.
15262 (c_parser_new): Merge into ...
15263 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15265 2006-01-04 Jeff Law <law@redhat.com>
15268 * tree-cfg.c (bsi_replace): Remove the original statement
15269 from the EH throw statement table.
15271 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15273 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15274 make the prototype extern "C" and add throw ().
15277 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15278 and pos non-negative and pos + len <= 32.
15279 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15280 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15281 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15284 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15285 as well as sizes not multiple of component size.
15288 * function.c (instantiate_expr): New function.
15289 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15290 walk its DECL_VALUE_EXPR with instantiate_expr.
15292 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15293 DW_OP_deref{,_size} if address isn't going to be added.
15295 2006-01-04 Ben Elliston <bje@au.ibm.com>
15297 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15298 * config/fp-bit.c: Likewise.
15300 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15302 * dominance.c: Add comment about why we use DFS numbering
15305 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15306 Richard Henderson <rth@redhat.com>
15308 Merge from gomp-branch:
15309 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15310 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15312 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15314 PR rtl-optimization/25578
15315 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15316 pass a parameter to simplify_shift_const if changing ASHIFTRT
15319 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15321 * builtins.c (get_builtin_sync_mem): New function.
15322 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15323 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15324 Call get_builtin_sync_mem to generate mem rtx.
15326 2006-01-03 Richard Guenther <rguenther@suse.de>
15329 * stmt.c (add_case_node): Make sure to clear overflow flags
15332 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15334 Merge from gomp-branch.
15335 * config/sparc/sync.md: New file.
15336 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15337 UNSPECV_LDSTUB): New constants.
15338 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15339 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15340 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15343 2006-01-03 Roger Sayle <roger@eyesopen.com>
15345 * combine.c (reg_subword_p): New predicate to test whether the
15346 destination of a set refers to a subword/piece of a register.
15347 (try_combine): Generalize the code to merge the setting of a
15348 pseudo to a constant followed by a set of a subword of that
15349 register to a constant.
15351 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15353 * basic-block.h (control_flow_graph): Change the type of
15354 x_label_to_block_map to VEC(basic_block,gc) *.
15355 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15356 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15358 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15359 VEC(basic_block,heap) *.
15360 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15361 ssa_prop_fini): Adjust the uses of cfg_blocks.
15363 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15365 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15367 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15368 hashing trees instead of a pointer hash.
15369 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15370 compare for MEM_EXPR.
15372 PR rtl-optimization/25130
15373 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15374 when comparing MEMs for GCSE
15376 2006-01-03 Ben Elliston <bje@au.ibm.com>
15378 * targhooks.h (default_decimal_float_supported_p): Declare.
15379 * targhooks.c (default_decimal_float_supported_p): Define.
15380 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15381 `default_decimal_float_supported_p'.
15382 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15384 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15386 * combine.c (apply_distributive_law <SUBREG>): Check
15387 TRULY_NOOP_TRUNCATION.
15389 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15391 * dwarf2out.c (have_switched_text_section): Delete.
15392 (have_multiple_function_sections): New.
15393 (have_location_lists): Make 'bool'.
15394 (add_AT_loc_list): Use 'true' not '1'.
15395 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15396 (output_loc_list): Use have_multiple_function_sections.
15397 (output_ranges): Likewise.
15398 (dwarf2out_begin_function): Set have_multiple_function_sections if
15400 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15401 Check function_section rather than DECL_SECTION_NAME.
15402 (dwarf2out_finish): Use have_multiple_function_sections.
15403 Don't clear have_location_lists.
15405 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15406 Jan Hubicka <jh@suse.cz>
15408 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15409 case of conditional jump jumping to the next instruction.
15410 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15411 cases of conditional jump jumping to the next instruction.
15413 2006-01-02 Jan Hubicka <jh@suse.cz>
15415 * i386.c (*_cost): Add COSTS_N_INSNS.
15416 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15418 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15421 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15423 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15425 * config/arm/arm.c (all_fpus): Fix comment typo.
15426 * config/darwin.c: Likewise.
15427 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15428 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15429 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15431 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15433 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15434 (rs6000_split_compare_and_swapqhi): New.
15435 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15436 (sync_compare_and_swapqhi_internal): New.
15437 * config/rs6000/rs6000-protos.h: Declare.