1 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
5 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
9 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
10 arg to be struct mach_header_64* instead.
12 2006-10-02 Jakub Jelinek <jakub@redhat.com>
15 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
16 side effects after the outer expression's post side effects.
18 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
20 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
21 comments to reflect actual behavior and relationship between
22 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
24 * doc/c-tree.texi (Working with declarations): Fix documentation
25 of FIELD_DECL likewise.
27 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
30 * doc/extend.texi: Add used variable attribute description.
32 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
35 * c.opt (Woverride-init): New.
36 * c-opts.c (c_common_post_options): Default warn_override_init to
38 * c-typeck.c (add_pending_init, output_init_element): Warn for
39 overriding initializers without side effects.
40 * doc/invoke.texi (-Woverride-init): Document.
43 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
45 PR rtl-optimization/28096
46 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
47 assignment has already been used as a destination earlier in the block.
49 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
51 * builtins.c (expand_builtin_setjmp): Delete.
52 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
53 <BUILT_IN_SETJMP_SETUP>: New case.
54 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
55 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
56 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
57 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
58 (BUILT_IN_SETJMP_RECEIVER): Likewise.
59 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
60 (lower_function_body): Initialize it to false. If it is set to true
61 at the end of the processing, emit the setjmp dispatcher.
62 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
63 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
64 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
65 on the rhs of the assignment.
66 (lower_builtin_setjmp): New function.
67 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
68 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
69 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
70 to detect calls that can go to non-local labels. Use specific
71 helper to create the abnormal edges associated with them.
72 <MODIFY_EXPR>: Likewise.
73 (make_abnormal_goto_edges): New function extracted from...
74 (make_goto_expr_edges): ...here. Call it for computed gotos.
75 (simple_goto_p): Minor tweak.
76 (tree_can_make_abnormal_goto): New predicate.
77 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
78 (tree_purge_dead_abnormal_call_edges): New function.
79 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
80 (tree_purge_dead_abnormal_call_edges): Likewise.
81 (make_abnormal_goto_edges): Likewise.
82 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
83 Purge all dead abnormal edges if the call was in the last statement.
84 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
85 (execute_fixup_cfg): If there are non-local labels in the function,
86 scan the basic blocks and split them at calls that can go to non-local
87 labels or add missing abnormal call edges. Write down the CFG in the
89 (pass_fixup_cfg): Remove TODO_dump_func flag.
90 * unwind-sjlj.c: Poison setjmp.
91 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
92 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
93 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
94 (DONT_USE_BUILTIN_SETJMP): Document it.
96 2006-09-28 Geoffrey Keating <geoffk@apple.com>
99 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
100 to 1 when __ppc64__ is defined.
101 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
103 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
105 2006-09-28 Steve Ellcey <sje@cup.hp.com>
107 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
108 * config/ia64/unwind-hpux.c: Delete.
110 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
112 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
113 on the element before gimplifying it, instead of punting if it is of
116 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
118 * doc/loop.texi: New file.
119 * doc/gccint.texi: Reference loop.texi.
120 * Makefile.in (loop.texi): Add.
122 2006-09-27 Geoffrey Keating <geoffk@apple.com>
124 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
126 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
127 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
129 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
131 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
133 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
135 * doc/install.texi: Document required versions of GMP and MPFR.
137 2006-09-27 Paul Brook <paul@codesourcery.com>
140 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
142 2006-09-27 Richard Sandiford <richard@codesourcery.com>
144 * reload1.c (alter_reg): Require the alignment of the stack slot to
145 be at least reg_max_ref_width bytes.
146 (scan_paradoxical_subregs): Record the largest width in
149 2006-09-26 Jakub Jelinek <jakub@redhat.com>
153 * tree-nested.c (struct nesting_info): Added static_chain_added.
154 (convert_call_expr): Set static_chain_added when adding static
155 chain. Handle OMP_PARALLEL and OMP_SECTION.
157 2006-09-25 Matthias Klose <doko@debian.org>
159 * doc/invoke.texi: Add missing full stop.
161 2006-09-25 Richard Henderson <rth@redhat.com>
163 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
164 before cgraph_function_flags_ready.
166 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
167 Adam Nemet <anemet@caviumnetworks.com>
169 * tree-ssa-loop-ivopts.c (aff_combination_convert,
170 determine_common_wider_type): New functions.
171 (get_computation_aff): Use them to simplify arithmetic between
172 UBASE and CBASE if they are shortened from the same type.
174 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
177 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
178 -2147483647 - 1 instead of 0x80000000.
180 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
182 * flags.h (HONOR_NANS): Fix typo in comment.
184 2006-09-23 Uros Bizjak <uros@kss-loka.si>
186 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
188 2006-09-23 Jakub Jelinek <jakub@redhat.com>
192 * tree.c (merge_attributes, attribute_list_contained): If both
193 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
195 * c-typeck.c (comptypes_internal): Don't consider aggregates
196 in different TUs as compatible if there one set of attributes is
197 not a subset of the other type's attributes.
198 (composite_type): Try harder not to create a new aggregate type.
200 2006-09-22 Geoffrey Keating <geoffk@apple.com>
202 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
203 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
204 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
205 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
206 than replicating condition above.
207 * config.host (i[34567]86-*-*): Always use driver-i386.o.
209 * config/darwin.h (LINK_SYSROOT_SPEC): New.
210 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
211 the linker by default.
213 2006-09-22 Mike Stump <mrs@apple.com>
215 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
218 2006-09-22 Richard Guenther <rguenther@suse.de>
221 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
222 sort of stack variables stable.
224 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
227 * explow.c (force_reg): Set REG_POINTER flag according to
230 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
232 PR tree-optimization/28888
233 * tree-if-conv.c (combine_blocks): Rewritten.
234 * tree-cfg.c (tree_verify_flow_info): Check that edges with
235 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
237 2006-09-22 Jakub Jelinek <jakub@redhat.com>
239 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
242 2006-09-21 Richard Sandiford <richard@codesourcery.com>
244 * varasm.c (copy_constant): Fix reversed gcc_assert check.
246 2006-09-21 Janis Johnson <janis187@us.ibm.com>
248 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
250 2006-09-21 Roger Sayle <roger@eyesopen.com>
253 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
254 dw_fde_current_label, to be the start of the function, i.e. the same
255 value as dw_fde_begin.
257 2006-09-20 Richard Sandiford <richard@codesourcery.com>
259 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
260 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
261 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
262 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
263 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
264 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
265 (abs<mode>2, neg<mode>2): Likewise.
266 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
267 (*mips_abs_ps): New define_insn.
269 2006-09-20 Josh Conner <jconner@apple.com>
272 * calls.c (expand_call): Allow reuse of structure return stack
275 2006-09-20 Paul Brook <paul@codesourcery.com>
277 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
280 2006-09-20 Janis Johnson <janis187@us.ibm.com>
282 * doc/extend.texi (Decimal Float): Update for latest draft TR,
283 clean up terminology.
285 2006-09-20 Steve Ellcey <sje@cup.hp.com>
288 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
289 with tablejumps in them.
291 2006-09-20 Jakub Jelinek <jakub@redhat.com>
294 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
295 wrap it into TARGET_EXPR.
297 2006-09-20 Eric Christopher <echristo@apple.com>
299 * config/i386/i386.c (x86_fisttp): Remove.
300 * config/i386/i386.h (x86_fisttp): Ditto.
301 (TARGET_FISTTP): Ditto.
303 2006-09-19 Eric Christopher <echristo@apple.com>
305 * doc/tm.texi (OBJC_JBLEN): Describe.
306 * config/i386/darwin.h (OBJC_JBLEN): Define.
307 * config/rs6000/darwin.h: Ditto.
309 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
311 PR rtl-optimization/21299
312 * reload1.c (reload): Purge invalid ASMs in the final pass.
314 2006-09-19 Steve Ellcey <sje@cup.hp.com>
317 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
318 pointers as legitimate constants.
320 2006-09-19 Paul Brook <paul@codesourcery.com>
323 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
325 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
327 PR tree-optimization/28887
328 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
329 component parts from the reference.
330 (gather_memory_references_ref): Record the reference without the
331 nonaddressable component parts.
333 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
336 * c-opts.c (c_common_handle_option): Ignore the -std options
337 if the input language is assembly.
339 2006-09-17 Ira Rosen <irar@il.ibm.com>
342 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
344 (ptr_ptr_may_alias_p): Likewise.
345 (record_record_differ_p): New function.
346 (base_object_differ_p): Call record_record_differ_p.
348 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
351 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
352 away for the expr argument.
354 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
357 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
358 before using it for dumping after vectorizing loops.
360 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
361 Jack Howarth <howarth@bromo.med.uc.edu>
364 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
365 skip on error_mark_node.
366 (rs6000_darwin64_record_arg_recurse): Likewise.
368 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
370 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
371 * doc/rtl.texi: Remove related documentation.
373 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
375 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
378 2006-09-15 Jim Wilson <wilson@specifix.com>
380 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
381 Handle symbol offsets same as they are handled in ia64_expand_move
384 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
386 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
387 Add forgotten parameter to the fprintf call.
389 2006-09-15 Steve Ellcey <sje@cup.hp.com>
391 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
393 2006-09-15 Uros Bizjak <uros@kss-loka.si>
395 * doc/contrib.texi: Add my entry.
397 2006-09-15 Nick Clifton <nickc@redhat.com>
399 * doc/md.texi (Processor pipeline description): Fix typo in
400 example of how to use the absence_set directive and reword the
401 description to make it slightly easier to read.
403 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
405 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
406 * loop-doloop.c (doloop_optimize): Use it to limit costs of
407 expanding the number of iterations.
408 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
410 * cfgrtl.c (emit_insn_at_entry): New function.
411 * rtl.h (emit_insn_at_entry): Declare it.
412 * integrate.c (emit_initial_value_sets): Use it.
414 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
416 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
418 (struct loop_work and related VEC declarations): Delete.
419 (bfin_dump_loops): Print out new member bad.
420 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
421 (bfin_scan_loop): Don't recurse.
422 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
423 loops. No longer need to update outer loops if the current one is
424 found bad. Move some validitiy checks to bfin_discover_loop.
425 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
426 but changed not to check for nesting. Also changed to use the new bad
428 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
429 time. Use bitmap based test to discover loop nesting.
431 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
433 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
436 2006-09-14 Richard Guenther <rguenther@suse.de>
437 Kazu Hirata <kazu@codesourcery.com>
440 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
441 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
442 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
443 with TARGET_FUNCTION_VALUE.
445 2006-09-14 Anatoly Sokolov <aesok@post.ru>
448 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
450 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
452 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
455 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
458 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
461 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
463 * basic_block.h (bb_has_eh_pred): Fix comment.
465 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
467 * flow.c (calculate_global_regs_live): Invalidate eh registers
468 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
469 (propagate_block): Handle eh registers as if they were set at basic
471 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
473 * global.c (global_conflicts): Make eh registers to conflict with
474 pseudos live at basic block begin.
475 * basic_block.h (bb_has_eh_pred): New function.
477 2006-09-13 Richard Sandiford <richard@codesourcery.com>
479 PR rtl-optimization/28982
480 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
481 index of a PRE_MODIFY or POST_MODIFY address.
482 * reload1.c (inc_for_reload): Use find_replacement on the original
483 base and index registers.
485 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
487 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
488 for -Os. Update __m128 alignment requirement.
490 2006-09-13 Jan Hubicka <jh@suse.cz>
492 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
494 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
496 PR rtl-optimization/28243
497 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
498 the insn to which the note was originally attached.
500 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
501 Roger Sayle <roger@eyesopen.com>
503 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
504 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
505 on platforms that don't use dwarf for debug info.
507 2006-09-12 Jason Merrill <jason@redhat.com>
510 * builtins.c (expand_builtin_setjmp_receiver): Clobber
511 hard_frame_pointer_rtx after using it to update the frame pointer.
513 2006-09-12 Roger Sayle <roger@eyesopen.com>
515 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
516 (TARGET_ASM_CLOSE_PAREN): Likewise.
517 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
518 (TARGET_ASM_CLOSE_PAREN): Likewise.
520 2006-09-12 Roger Sayle <roger@eyesopen.com>
523 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
524 frame information for frames larger than 512 Kbytes on Tru64 when
525 using the native assembler.
527 2006-09-12 Roger Sayle <roger@eyesopen.com>
531 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
532 and symbols. Instead use the implementation from cse.c's hash_rtx.
534 2006-09-12 Jan Hubicka <jh@suse.cz>
536 PR rtl-optimization/28071
537 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
538 (vect_transform_loop): Likewise.
539 * tree-vectorizer.c (new_loop_vec_info): Likewise.
540 (new_loop_vec_info): Likewise.
541 (destroy_loop_vec_info): Likewise.
542 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
543 (create_stmt_ann): Likewise.
544 (create_tree_ann): Rename to ...
545 (create_tree_common_ann): ... this one; allocate only the common part
547 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
548 (get_value_handle): Likewise.
549 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
551 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
552 (vinfo_for_stmt): Use stmt annotations.
553 * tree-flow.h (tree_ann_common_t): New type.
554 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
555 (tree_ann, get_tree_ann, create_tree_ann): New.
556 * tree-flow-inline.h (get_function_ann): Do more type checking.
557 (stmt_ann): Likewise.
558 (tree_ann): Rename to ...
559 (tree_common_ann): ... this one; return ony common_ann
560 (get_tree_ann): Rename to ...
561 (tree_common_ann): This one; return only common_ann.
562 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
565 2006-09-11 Geoffrey Keating <geoffk@apple.com>
567 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
570 * dwarf2out.c (dwarf_file_data): New.
571 (enum dw_val_class): Add dw_val_class_file.
572 (struct dw_val_struct): Add val_file.
573 (file_table): Change to a hash table.
574 (file_table_emitted): Delete.
575 (file_table_last_lookup_index): Delete.
577 (last_emitted_file): New.
578 (lookup_filename): Change prototype to return a struct dwarf_file_data.
579 (init_file_table): Delete.
580 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
581 (AT_addr): Add comment.
585 (print_die): Handle dw_val_class_file.
586 (print_dwarf_line_table): Update for new file table structure.
587 (attr_checksum): Do checksum a filename.
588 (same_dw_val_p, same_attr_p): Do compare a filename.
589 (size_of_die): Handle dw_val_class_file.
590 (value_format): Likewise.
591 (output_die): Likewise. Also, call maybe_emit_file here.
592 (struct file_info): Constify filenames. Make file_idx a pointer
593 to a struct dwarf_file_data.
594 (struct dir_info): Constify directory names. Remove 'used' field.
595 (struct file_name_acquire_data): New.
596 (file_name_acquire): New.
597 (output_file_names): Modify to handle new file data structures.
598 (add_src_coords_attributes): Use add_AT_file.
599 (add_call_src_coords_attributes): Likewise.
600 (dwarf2out_imported_module_or_decl): Likewise.
601 (gen_subprogram_die): Modify for new file data structures.
602 (gen_variable_die): Likewise.
603 (file_table_eq): New.
604 (file_table_hash): New.
605 (file_table_last_lookup): New.
606 (lookup_filename): Rewrite to handle new file data structures.
607 (maybe_emit_file): Rewrite to handle new file data structures.
608 (dwarf2out_source_line): Always call lookup_filename and
610 (dwarf2out_init): Create file_table here.
611 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
612 (file_table_relative_p): New.
613 (dwarf2out_finish): Change detection of relative filenames
614 to work with new file data structures. Move output_line_info call
615 after debug_info output.
617 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
622 * config/i386/i386.c (override_options): Always default to 16
625 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
628 * var-tracking.c (dump_dataflow_set): Start dumping at
630 (clobber_variable_part): Kill only the variable part in
631 registers holding it, leaving other variables alone.
633 2006-09-11 Josh Triplett <josh@freedesktop.org>
635 * doc/extend.texi (Other Builtins): Actually use the macro
636 argument in the documentation example for
637 __builtin_types_compatible_p.
639 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
641 PR rtl-optimization/28726
642 * sched-deps.c (sched_analyze_reg): New function extracted from...
643 (sched_analyze_1): ...here. Call it to analyze references to
644 registers. Treat again writes to a stack register as writing to the
646 (sched_analyze_2): ...and here. Call it to analyze references to
647 registers. Treat again reads of a stack register as reading the
650 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
651 David Edelsohn <edelsohn@gnu.org>
654 * config/rs6000/spe.md (frob_df_di): Remove %H.
655 (frob_di_df): Remove %H. Change evmergelo to mr.
656 (frob_di_df_2): Remove %H. Change evldd to two loads.
658 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
660 * doc/cpp.texi: Fix names of charset options.
662 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
665 * config/i386/i386.c (override_options): Use 128-bit
666 stack boundary always for 64bits.
668 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
670 PR rtl-optimization/28636
671 * combine.c (force_to_mode): Test for side-effects before
672 substituting by zero.
673 (simplify_shift_const): Likewise for zero or other constants.
675 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
678 * builtins.c (expand_builtin_setjmp): Force next_lab to be
681 2006-09-10 Richard Sandiford <richard@codesourcery.com>
684 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
685 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
686 returned by mode_for_size, rather than the mode of src itself,
687 to choose between 32-bit and 64-bit patterns.
688 (mips_mem_fits_mode_p): New function.
689 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
690 that the size of the source matches the size of the destination.
691 (mov_<store>l, mov_<store>r): Likewise.
693 2006-09-10 Eric Christopher <echristo@apple.com>
695 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
698 2006-09-09 Eric Christopher <echristo@apple.com>
701 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
704 2006-09-09 Roger Sayle <roger@eyesopen.com>
705 Nicolas Setton <setton@adacore.com>
707 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
709 2006-09-10 Andreas Schwab <schwab@suse.de>
711 * config/m68k/m68k.md (bungt_rev): New pattern.
713 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
714 Dale Johannesen <dalej@apple.com>
717 * regclass.c (struct reg_pref): Update documentation.
718 (regclass): Set prefclass to NO_REGS if memory is the best option.
719 (record_reg_classes): Cope with a prefclass set to NO_REGS.
721 2006-09-08 Eric Christopher <echristo@apple.com>
723 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
724 * config/t-slibgcc-darwin: Support x86_64 multilib.
725 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
726 Return 1 for x86_64-darwin.
727 * config/i386/t-darwin: Add m64 multilib.
728 (LIB2_SIDITI_CONV_FUNCS): Use.
729 (LIB2FUNCS_EXTRA): Ditto.
730 * config/i386/darwin.h: Support x86_64.
731 * config/i386/i386.c (override_options): Turn on flag_pic
732 for x86_64-darwin. Disable flag_omit_pointer.
733 (get_pc_thunk_name): Assert !TARGET_64BIT.
734 (legitimate_address_p): Disable machopic addressing for
736 (legitimize_pic_address): Ditto.
737 (ix86_expand_move): Ditto.
738 (ix86_expand_call): Ditto.
739 (machopic_output_stub): Ditto.
740 * config/darwin.c (machopic_select_section): Support literal16.
741 (machopic_select_rtx_section): Ditto.
742 * config/darwin-sections.def: Ditto.
743 * config/darwin-64.c: New.
745 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
748 * c-tree.h (struct c_arg_info): Add pending_sizes.
749 * c-parser.c (c_parser_parms_declarator,
750 c_parser_parms_list_declarator): Initialize pending_sizes.
751 * c-decl.c (get_parm_info): Initialize pending_sizes.
752 (get_parm_info): Set pending_sizes.
753 (grokdeclarator): Call put_pending_sizes for parameters for
754 function definition only.
756 2006-09-07 Jason Merrill <jason@redhat.com>
759 * varasm.c (output_constant): Only strip actual no-op conversions.
762 * config/i386/i386.c (override_options): Use 128-bit
763 stack boundary if -msse.
765 2006-09-07 Eric Christopher <echristo@apple.com>
767 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
769 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
772 2006-09-07 Geoffrey Keating <geoffk@apple.com>
774 * dwarf2out.c: Remove strange characters from comment above
775 dwarf2out_frame_debug_expr.
777 2006-09-07 Eric Christopher <echristo@apple.com>
779 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
780 * config/darwin.h: ... to here.
782 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
784 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
786 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
787 (TARGET_PARTIAL_FLAG_REG_STALL): New.
789 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
790 TARGET_PARTIAL_FLAG_REG_STALL.
791 (*ashldi3_cconly_rex64): Likewise.
792 (*ashlsi3_cmp): Likewise.
793 (*ashlsi3_cconly): Likewise.
794 (*ashlsi3_cmp_zext): Likewise.
795 (*ashlhi3_cmp): Likewise.
796 (*ashlhi3_cconly): Likewise.
797 (*ashlqi3_cmp): Likewise.
798 (*ashlqi3_cconly): Likewise.
799 (*ashrdi3_cmp_rex64): Likewise.
800 (*ashrdi3_cconly_rex64): Likewise.
801 (*ashrsi3_cmp): Likewise.
802 (*ashrsi3_cconly): Likewise.
803 (*ashrsi3_cmp_zext): Likewise.
804 (*ashrhi3_cmp): Likewise.
805 (*ashrhi3_cconly): Likewise.
806 (*ashrqi3_cmp): Likewise.
807 (*ashrqi3_cconly): Likewise.
808 (*lshrdi3_cmp_rex64): Likewise.
809 (*lshrdi3_cconly_rex64): Likewise.
810 (*lshrsi3_cmp): Likewise.
811 (*lshrsi3_cconly): Likewise.
812 (*lshrsi3_cmp_zext): Likewise.
813 (*lshrhi3_cmp): Likewise.
814 (*lshrhi3_cconly): Likewise.
815 (*lshrqi2_cmp): Likewise.
816 (*lshrqi2_cconly): Likewise.
818 2006-09-07 Uros Bizjak <uros@kss-loka.si>
821 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
822 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
823 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
824 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
825 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
826 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
827 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
828 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
829 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
830 implement only CC setting effects of shift instructions.
832 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
834 * doc/contrib.texi: Add myself.
836 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
839 * stor-layout.c (relayout_decl): Don't zero the alignment if it
842 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
845 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
846 (divsi_inv_m1): Use them.
847 (UNSPEC_DIV_INV_TABLE): New constant.
849 2006-09-06 James E Wilson <wilson@specifix.com>
852 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
853 then call count_or_remove_death_notes.
855 2006-09-06 Jason Merrill <jason@redhat.com>
858 * tree-inline.c (copy_result_decl_to_var): New fn.
859 (declare_return_variable): Use it. Call declare_inline_vars here.
860 (expand_call_inline): Not here.
862 2006-09-06 Diego Novillo <dnovillo@redhat.com>
864 * doc/contrib.texi: Update my entry.
866 2006-09-06 Nick Clifton <nickc@redhat.com>
868 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
870 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
873 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
874 (canonicalize_induction_variables): Likewise.
875 (tree_unroll_loops_completely): Likewise.
876 (tree_ssa_prefetch_arrays): Likewise.
877 (remove_empty_loops): Likewise.
878 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
879 TODO_cleanup_cfg instead of directly calling
880 cleanup_tree_cfg_loop.
881 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
883 (tree_unroll_loops_completely): Likewise.
884 (remove_empty_loops): Likewise.
885 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
886 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
887 of tree_ssa_unswitch_loops.
888 (tree_ssa_loop_ivcanon): Use the return value of
889 canonicalize_induction_variables.
890 (tree_ssa_empty_loop): Use the return value of
892 (tree_complete_unroll): Use the return value of
893 tree_unroll_loops_completely.
894 (tree_ssa_loop_prefetch): Use the return value of
895 tree_ssa_prefetch_arrays.
896 * passes.c (execute_todo): Before Cleanup CFG, set
897 updating_used_alone and after cleanup CFG, call
898 recalculate_used_alone.
900 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
903 * tree-vect-transform.c (vectorizable_condition): Move the check
904 for the type after the check for simple condition.
906 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
907 Kaz Kojima <kkojima@gcc.gnu.org>
910 * mode-switching.c (optimize_mode_switching): Make the destination
911 block of an abnormal edge have no anticipatable mode. Don't
912 insert mode switching code at the end of the source block of
915 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
917 PR rtl-optimization/26847
918 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
919 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
920 (simplify_plus_minus): Count n_constants while filling ops. Replace
921 qsort with insertion sort. Before going through the array to simplify
922 pairs, sort it. Delay early exit until after the first sort, exiting
923 only if no swaps occurred. Simplify pairs in reversed order, without
924 special-casing the first iteration. Pack ops after simplifying pairs.
926 2006-09-05 Anatoly Sokolov <aesok@post.ru>
928 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
929 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
930 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
931 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
933 2006-09-05 Richard Guenther <rguenther@suse.de>
935 PR tree-optimization/28900
936 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
937 compound conditional before creating COND_EXPR condition.
939 2006-09-05 Richard Guenther <rguenther@suse.de>
941 PR tree-optimization/28905
942 * tree-vrp.c (fix_equivalence_set): Manually implement
943 !value_ranges_intersect_p to also handle symbolic ranges.
945 2006-09-05 Richard Guenther <rguenther@suse.de>
948 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
951 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
953 PR rtl-optimization/27616
954 * cse.c (table_size): New static variable.
955 (new_basic_block): Initialize it to 0.
956 (remove_from_table): Decrement it.
957 (insert): Increment it.
958 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
959 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
960 fold_rtx_mem_1 if under the cap.
961 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
962 the lookup of the equivalent expression and test for equality of the
963 first operand of the equivalent expression before in turn looking up
964 an equivalent constant for the second operand.
966 2006-09-02 Geoffrey Keating <geoffk@apple.com>
969 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
970 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
971 pointer, instead of assuming it is possible to derive the
972 correct args size from a call insn.
974 2006-09-02 Jakub Jelinek <jakub@redhat.com>
977 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
978 (fold_builtin_mempcpy): Rename to...
979 (fold_builtin_memory_op): ... this. Optimize one element copy
981 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
983 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
984 (expand_builtin_memcpy, expand_builtin_mempcpy,
985 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
986 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
987 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
988 BUILT_IN_MEM{CPY,PCPY,MOVE}.
990 2006-09-01 DJ Delorie <dj@redhat.com>
992 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
994 ("stzx_24_<mode>"): Likewise.
995 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
996 ("cmp<mode>_op"): New.
997 (cmp<mode>): Change to expander; just save operands.
999 (b<code>): Change to expander, emit compare here.
1000 (s<code>_op): Change to use split and expander.
1001 (s<code>_24_op): Likewise.
1002 (s<code>_<mode>): New.
1003 (s<code>_<mode>_24): New.
1004 (movqicc_<code>_<mode): New.
1005 (movhicc_<code>_<mode>): New.
1008 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1009 (m32c_pend_compare): New.
1010 (m32c_unpend_compare): New.
1011 (m32c_expand_scc): New.
1012 (m32c_expand_movcc): Emit the compare also.
1013 * config/m32c/predicates.md (mra_nopp_operand): New.
1015 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1016 Richard Guenther <rguenther@suse.de>
1017 Adam Nemet <anemet@caviumnetworks.com>
1020 * builtins.c (get_pointer_alignment): Handle more forms
1021 of base addresses that can be used to derive more precise
1022 information about alignment.
1024 2006-09-01 Jason Merrill <jason@redhat.com>
1027 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1030 * gimplify.c (voidify_wrapper_expr): Handle null type.
1032 2006-09-01 Josh Conner <jconner@apple.com>
1035 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1036 (execute_return_slot_opt): Use it.
1038 2006-08-31 Josh Conner <jconner@apple.com>
1041 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1042 returning aggregates.
1044 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1046 PR tree-optimization/28839
1047 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1048 blocks in that phi arguments appear.
1050 2006-08-31 Roger Sayle <roger@eyesopen.com>
1053 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1054 NULL, otherwise use an advance_loc4 to adjust relative to the
1056 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1057 (dwarf2out_switch_text_section): Reset the current label to avoid
1058 using advance_loc4 over section boundaries.
1060 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1063 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1064 r12 + SYMBOLIC_CONST.
1066 2006-08-30 Richard Guenther <rguenther@suse.de>
1068 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1070 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1072 PR rtl-optimization/27735
1073 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1074 Add new argument to keep track of whether an irreducible region
1075 was affected. All callers changed.
1076 (fix_irreducible_loops): Removed.
1077 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1078 flags were invalidated.
1080 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1082 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1083 instead of SF operands.
1084 (*fop_df_comm_sse): Likewise.
1085 (*fop_df_comm_i387): Likewise.
1086 (*fop_df_1_mixed): Likewise.
1087 (*fop_df_1_sse): Likewise.
1089 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1090 J"orn Rennecke <joern.rennecke@st.com>
1092 PR tree-optimization/17506
1093 * tree-ssa.c (warn_uninit): If warning about a location outside of
1094 the current function, note where the variable was declared.
1096 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1098 PR tree-optimization/28411
1099 * double-int.c (double_int_div): Use double_int_divmod.
1100 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1101 double_int_mod, double_int_smod, double_int_umod): New functions.
1102 * double-int.h (double_int_divmod, double_int_sdivmod,
1103 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1105 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1107 (get_computation_aff, get_computation_cost_at): Handle double_int
1108 return type of constant_multiple_of.
1110 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1113 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1114 an implicit conversion.
1116 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1118 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1120 2006-08-27 Roger Sayle <roger@eyesopen.com>
1122 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1125 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1127 * config/i386/crtfastmath.c: Fix a comment typo.
1129 2006-08-26 Roger Sayle <roger@eyesopen.com>
1131 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1132 temporary visit flags on CASE_LABEL_EXPRs.
1133 * c-common.c (match_case_to_enum): Add function comment. Avoid
1134 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1135 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1136 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1137 a constant, only warn if that constant value isn't handled.
1139 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1142 * input.h (restore_input_file_stack): Declare.
1143 (INPUT_FILE_STACK_BITS): Define.
1144 * toplev.c (fs_p, input_file_stack_history,
1145 input_file_stack_restored, restore_input_file_stack): New.
1146 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1147 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1148 (pop_srcloc): Don't free old state of stack.
1150 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1153 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1154 (PowerPC Type Attributes): New.
1156 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1158 * config/xtensa/xtensa.c (function_arg_boundary): New.
1159 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1161 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1162 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1164 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1167 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1170 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1172 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1173 (verify_local_live_at_start): Likewise.
1175 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1178 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1179 omp_add_variable): Treat sizes as variable whenever not
1182 2006-08-26 Richard Guenther <rguenther@suse.de>
1185 * fold-const.c (fold_binary): Fold temporary to correct
1186 type before constructing new comparison.
1188 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1191 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1192 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1194 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1197 * c-decl.c (start_function): Don't try to process prototype
1198 information from old declaration that isn't a function.
1200 2006-08-25 Jan Hubicka <jh@suse.cz>
1203 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1205 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1208 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1211 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1213 PR tree-optimization/16876
1214 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1215 exit if PARM doesn't match VALUE.
1217 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1219 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1220 literal_prefix directive.
1221 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1222 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1223 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1225 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1228 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1229 predicate to general_operand. Add 0->y and I->r alternatives.
1231 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1233 * doc/tm.texi: Fix a typo.
1234 * predict.c: Fix comment typos.
1236 2006-08-25 Nick Clifton <nickc@redhat.com>
1238 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1239 assertions of "cpu" and "machine".
1241 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1244 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1245 the access through a base which has an alias set of 0 cannot
1248 2006-08-24 Bill Wendling <wendling@apple.com>
1250 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1252 2006-08-24 Jan Hubicka <jh@suse.cz>
1254 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1256 2006-08-24 Jan Hubicka <jh@suse.cz>
1259 * cgraph.c: Fix comments.
1260 (cgraph_varpool_mark_needed_node): Mark only variables not already
1262 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1263 (cgraph_varpool_assembled_nodes_queue): New static variable.
1264 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1265 (cgraph_varpool_output_debug_info): New function.
1266 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1267 * Makefile.in: Add gt-cgraphunit.h
1269 2006-08-24 Jan Hubicka <jh@suse.cz>
1271 * predict.c (probability_reliable_p): New predicate.
1272 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1273 (predict_loops): Do not predict loop exit with less than 2%
1275 * basic-block.h (edge_probability_reliable_p,
1276 br_prob_note_reliable_p): Declare.
1277 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1278 prediction when static predictor is not reliable.
1279 * rs6000.c (output_cbranch): Likewise.
1281 2006-08-23 Stuart Hastings <stuart@apple.com>
1284 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1285 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1287 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1290 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1291 complex values, nor for generic vector values.
1293 2006-08-22 Richard Guenther <rguenther@suse.de>
1296 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1297 parameter. Convert arguments to arithmetic expression to the
1299 (analyze_scalar_evolution_1): Adjust caller.
1301 2006-08-22 Jan Hubicka <jh@suse.cz>
1303 Patch by Paolo Bonzini
1304 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1307 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1309 PR tree-optimization/28003
1310 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1311 before grouping aliases.
1313 2006-08-22 Roger Sayle <roger@eyesopen.com>
1315 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1316 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1318 2006-08-21 Jason Merrill <jason@redhat.com>
1321 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1322 wrapper. Loop to handle nested wrappers.
1323 (gimplify_bind_expr): Remove temp parameter.
1324 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1325 and STATEMENT_LIST on the rhs.
1326 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1327 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1328 (gimplify_target_expr): Remove special BIND_EXPR handling.
1330 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1332 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1335 2006-08-21 Olivier Hainque <hainque@adacore.com>
1337 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1338 Arrange for the temporary captures of components overlapping the lhs
1339 to happen before the lhs is possibly cleared.
1341 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1343 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1344 necessary places to pass the correct "number of registers" values
1347 2006-08-20 Jan Hubicka <jh@suse.cz>
1349 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1350 (create_name_tags): Instead of quadratic checking use hashtable.
1351 * bitmap.h: Include hashtab.h.
1352 (bitmap_hash): Declare.
1353 * bitmap.c (bitmap_hash): New function.
1355 2006-08-20 Jan Hubicka <jh@suse.cz>
1357 PR rtl-optimization/28071
1358 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1360 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1361 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1362 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1363 cgraph_decide_inlining_incrementally): Update use of
1364 cgraph_check_inline_limits.
1365 * cgraph.c (edge_hash, edge_eq): New function.
1366 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1367 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1368 cgraph_remove_node): Maintain call site hash.
1369 * cgraph.h (struct cgraph_node): Add call_site_hash.
1370 (cgraph_set_call_stmt): New function.
1372 2006-08-20 Jan Hubicka <jh@suse.cz>
1374 PR rtl-optimization/28071
1375 * reload1.c (reg_has_output_reload): Turn into regset.
1376 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1377 choose_reload_regs, emit_reload_insns): Update to new
1378 reg_has_output_reload.
1380 2006-08-20 Jan Hubicka <jh@suse.cz>
1383 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1384 function body sizes.
1385 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1387 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1390 * tree.c (handle_dll_attribute): Return early if not a
1391 var or function decl.
1393 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1396 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1397 alignment of SPE vector types.
1399 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1401 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1403 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1406 * cgraph.h (struct cgraph_node): Remove externally_visible
1408 * cgraphunit.c (process_function_and_variable_attributes): Set
1409 local.externally_visible rather than externally_visible.
1412 * c-common.c (handle_externally_visible_attribute): First look
1413 at TREE_CODE and only if it is function or var decl, check for
1414 non-public objects. Don't warn for DECL_EXTERNAL.
1415 * cgraphunit.c (process_function_and_variable_attributes): Warn
1416 if externally_visible attribute is used on non-public object.
1418 2006-08-17 Jan Hubicka <jh@suse.cz>
1420 PR tree-optimization/27865
1421 * reload1.c (forget_marked_reloads): New function.
1422 (forget_old_reloads_1): When data are passed, just mark the registers
1424 (reload_as_needed): Use the new mechanizm.
1426 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1429 * reload.h (reg_equiv_alt_mem_list): New declaration.
1430 * reload1.c (reg_equiv_alt_mem_list): New definition.
1431 (reload): Initialize it and release it.
1432 (delete_output_reload): Use it.
1433 * reload.c (push_reg_equiv_alt_mem): New function.
1434 (find_reloads_toplev): Call it.
1435 (find_reloads_address, find_reloads_address_1): Likewise.
1436 (find_reloads_subreg_address): Likewise.
1438 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1440 PR rtl-optimization/28489
1441 * sched-ebb.c (begin_schedule_ready): Create basic block
1443 (advance_target_bb): Skip empty blocks.
1444 * haifa-sched.c (bb_note): Make global.
1445 * sched-int.h (bb_note): Add prototype.
1447 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1449 PR tree-optimization/27865
1450 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1452 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1453 fold_used_pointer, pointer_used_p): New functions.
1454 (analyze_scalar_evolution_1): Use fold_used_pointer.
1455 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1456 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1459 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1462 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1463 or the INTEGER_CST. Fail on a CALL_EXPR.
1464 (fold_offsetof): Pass new argument to fold_offsetof_1.
1465 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1466 operand into an INDIRECT_REF.
1467 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1469 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1471 PR gcov/profile/26570
1472 * value-prof.c (static_values): Removed.
1473 (tree_find_values_to_profile): Do not set static_values.
1474 (find_values_to_profile): Do not free static_values.
1475 * profile.c (instrument_values): Do not free the values.
1476 (branch_prob): Free the values.
1478 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1480 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1482 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1485 * c-typeck.c (build_component_ref): Combine qualifiers of
1486 structure or union and field.
1488 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1490 PR rtl-optimization/28071
1491 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1492 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1493 * tree-into-ssa.c (struct dom_dfsnum): New.
1494 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1496 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1497 compute_global_livein.
1498 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1499 in phi nodes in the correct blocks.
1501 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1503 PR tree-optimization/28364
1504 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1506 (fold_affine_expr): New function.
1507 (may_eliminate_iv): Use fold_affine_expr.
1509 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1512 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1515 2006-08-16 Mike Stump <mrs@apple.com>
1517 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1518 * doc/cppopts.texi (-MD): Likewise.
1520 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1523 * c-common.c (handle_weak_attribute): Ignore and warn if
1524 not a FUNCTION_ or VAR_DECL.
1526 2006-07-15 Mike Stump <mrs@apple.com>
1529 * c-parser.c (c_parser_typeof_specifier): Don't use
1530 c_finish_expr_stmt, open code desired semantics instead.
1532 2006-08-15 Nick Clifton <nickc@redhat.com>
1534 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1535 fragment to tmake_file only if threads are enabled.
1536 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1537 * config/i386/t-gthr-win32: New file. ... here.
1539 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1542 * c-parser.c (c_parser_compound_statement_nostart): Reset
1543 parser->error after each statement.
1545 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1548 * omp-low.c (lower_omp_parallel): Convert t to
1549 receiver_decl's type.
1550 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1551 source before comparison.
1554 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1555 to itype in assignment to oldival2.
1557 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1561 * c-typeck.c (build_compound_expr): If the second expression
1562 is an error mark, then just return an error mark instead of
1563 creating a COMPOUND_EXPR.
1565 2006-07-14 Mike Stump <mrs@apple.com>
1567 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1569 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1571 * c-decl.c, var-tracking.c: Fix comment typos.
1573 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1575 PR rtl-optimization/28634
1576 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1577 for floating-point modes unless flag_unsafe_math_optimizations.
1579 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1580 Andrew Pinski <pinskia@physics.uc.edu>
1583 * tree.c (build_array_type): Unify array types with
1584 unspecified index_type.
1585 * c-decl.c (grokdeclarator): Make sure we do not modify a
1586 unified incomplete array type.
1587 * c-typeck.c (store_init_value): Create distinct type before
1588 filling in the index type in an initializer from a compound
1591 * c-decl.c (grokdeclarator): Remove code where we copy the
1594 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1596 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1597 into account for TODO_dump_cgraph.
1598 (TODO_update_ssa_no_phi): Likewise.
1599 (TODO_update_ssa_full_phi): Likewise.
1600 (TODO_update_ssa_only_virtuals): Likewise.
1601 (TODO_remove_unused_locals): Likewise.
1602 (TODO_set_props): Likewise.
1603 (TODO_update_stmt_usage): Likewise.
1605 2006-08-13 Dirk Mueller <dmueller@suse.de>
1607 * c-common.c (strict_aliasing_warning): Fix formatting.
1609 2006-08-13 Matthias Klose <doko@debian.org>
1611 * doc/invoke.texi: Fix spelling errors.
1613 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1615 PR rtl-optimization/23454
1616 * reorg.c (relax_delay_slots): Update comment.
1618 2006-08-11 Richard Guenther <rguenther@suse.de>
1621 * simplify-rtx.c (simplify_const_relational_operation):
1622 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1625 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1627 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1628 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1630 2006-08-10 Paul Brook <paul@codesourcery.com>
1632 * final.c (final_scan_insn): Clear current_insn_predicate before
1633 outputting inline asm.
1635 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1637 PR tree-optimization/26197
1638 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1639 get_ref_base_and_extent and overlap_subvar to add only relevant
1640 subvars as may-aliases.
1641 (add_may_alias_for_new_tag): New function, factored out of
1643 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1644 with additional argument.
1645 * tree-flow.h (new_type_alias): Takes additional argument.
1647 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1649 * gcov.c (no_data_file): New flag.
1650 (read_count_file): Set it if data file not present. Assume counts
1652 (output_lines): Don't name the data file, if there wasn't one.
1654 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1656 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1657 (rs6000_generate_compare): Tweak comments.
1658 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1660 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1662 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1663 (var_debug_decl): New function.
1664 (var_reg_set): Follow debug decl link. Add location even if
1665 reg is already known to hold some other variable.
1666 (var_mem_set): Follow debug decl link.
1667 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1668 decl link. Delete other known locations of the variable part
1670 (var_reg_delete, var_mem_delete): Delete other known locations
1671 of the variable part if requested.
1672 (same_variable_part_p): New function.
1673 (add_stores): Select MO_COPY when appropriate.
1674 (vt_initialize): Handle it.
1675 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1676 known locations for MO_SET and MO_CLOBBER.
1677 (find_variable_location_part): New function.
1678 (set_variable_part, delete_variable_part): Use it.
1679 (clobber_variable_part): New function.
1680 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1683 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1685 PR tree-optimization/26969
1686 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1687 with an empty list of PHIs.
1689 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1693 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1696 2006-08-06 Andreas Schwab <schwab@suse.de>
1698 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1699 string. Whitespace and comment fixup.
1701 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1704 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1708 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1711 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1713 2006-08-04 Jan Hubicka <jh@suse.cz>
1717 * reload.c (push_reload): Patch out the mismatching instruction;
1719 (find_reload): Bail out if the instruction was patched out.
1721 2006-08-04 Jan Hubicka <jh@suse.cz>
1723 PR tree-optimization/24888
1724 * tree-inline.c (expand_call_inline): Do not re-record variables.
1725 (declare_inline_vars): Add variable to unexpanded_var_list.
1727 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1728 Roger Sayle <roger@eyesopen.com>
1730 PR rtl-optimization/26244
1731 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1732 inner_const are negative or greater than or equal to the bitsize of
1733 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1734 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1735 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1736 CONST0_RTX (mode) when the new shift count is greater than or equal to
1737 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1740 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1742 * tree-cfg.c: Fix a comment typo.
1744 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1747 * varasm.c (output_constant): Give the front end another chance to
1748 expand constants, after stripping NOPs.
1750 2006-08-03 Jan Hubicka <jh@suse.cz>
1752 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1755 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1757 PR tree-optimization/27770
1758 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1759 declaration removed (moved to tree-flow.h).
1760 (vect_can_force_dr_alignment_p): Likewise.
1761 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1762 (moved from tree-vectorizer.h).
1763 (vect_can_force_dr_alignment_p): Likewise.
1764 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1765 from outside the vectorizer - in particular from cgraph stage.
1766 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1767 the alignment of global arrays when -fsection-anchors is enabled.
1768 * cgraphunit.c (cgraph_increase_alignment): New function.
1769 (cgraph_optimize): Call cgraph_increase_alignment.
1771 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1774 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1775 not reload a SPE symbol_ref into a lo_sum address.
1777 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1780 * dwarf2out.c (prune_unused_types_prune): Move call to
1781 prune_unused_types_update_strings to cover the parent DIE also.
1783 2006-08-02 Jan Hubicka <jh@suse.cz>
1785 PR gcov/profile/28480
1786 * tree-cfg.c (change_bb_for_stmt): New function.
1787 (tree_merge_blocks, tree_split_blocks): Use it.
1789 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1795 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1796 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1797 (cgraph_optimize): Likewise.
1799 2006-08-01 Stuart Hastings <stuart@apple.com>
1801 * rtl.h (UINTVAL) New.
1802 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1803 * testsuite/gcc.dg/20060801-1.c: New.
1805 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1808 * c-typeck.c (build_external_type): Mark used enum types.
1809 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1811 (gen_subprogram_die): Whitespace fix.
1813 2006-08-01 Jan Hubicka <jh@suse.cz>
1815 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1816 bitmap when not needed.
1817 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1820 2006-08-01 Dirk Mueller <dmueller@suse.de>
1822 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1824 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1826 * Makefile.in: Revert part of previous patch:
1827 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1830 2006-07-30 Eric Christopher <echristo@apple.com>
1833 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1834 (PowerPC Variable Attributes): New section.
1836 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1838 PR target/28126 (partial fix)
1839 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1841 2006-07-28 Jan Hubicka <jh@suse.cz>
1843 PR rtl-optimization/28071
1844 * cfgrtl.c (rtl_delete_block): Free regsets.
1845 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1847 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1849 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1850 and variables used in dependencies.
1852 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1854 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1855 %fs for -mcmodel=kernel.
1856 (stack_tls_protect_test_di): Likewise.
1858 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1860 * Makefile.in: Use mkinstalldirs.
1862 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1865 * opts-common.c (prune_options): Skip joined switches.
1867 2006-07-27 Jan Hubicka <jh@suse.cz>
1869 PR rtl-optimization/28071
1870 * cselib.c (cselib_process_insn): Don't remove useless values too
1871 often for very large hashtables.
1873 2006-07-27 Jan Hubicka <jh@suse.cz>
1875 PR rtl-optimization/28071
1876 * global.c (greg_obstack): New obstack.
1877 (allocate_bb_info): Use it.
1878 (free_bb_info): Likewise.
1879 (modify_reg_pav): Likewise.
1881 2006-07-27 Roger Sayle <roger@eyesopen.com>
1883 * builtins.c (fold_fixed_mathfn): When long and long long are the
1884 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1885 functions to their lceil*, lfloor*, lround* and lrint* forms.
1887 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1890 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1892 (rev_branch_insn): Likewise.
1894 2006-07-27 Jan Hubicka <jh@suse.cz>
1896 PR rtl-optimization/28071
1897 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1898 (reg_set_in_bb, max_reg_computed): New static variables.
1899 (regmove_optimize): Free the new array.
1900 (fixup_match_1): Update call of reg_is_remote_constant_p.
1902 2006-07-26 Jan Hubicka <jh@suse.cz>
1904 PR tree-optimization/27882
1905 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1907 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1909 (cgraph_analyze_compilation_unit): Likewise.
1910 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1911 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1912 (cgraph_early_inlinine): Make order garbage collected.
1913 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1915 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1917 * dbxout.c (output_types_sort): Add a comment.
1918 (output_used_types): Free the VEC.
1920 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1922 * function.c (reorder_fix_fragments): Delete.
1923 (reorder_blocks): Don't call it.
1924 (reorder_blocks_1): Put all subblocks under the origin block.
1926 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1928 PR rtl-optimization/27907
1929 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1932 2006-07-25 Roger Sayle <roger@eyesopen.com>
1935 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1936 bar(x) check that bar's result type can represent all the values of T.
1938 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1940 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1942 2006-07-25 Nick Clifton <nickc@redhat.com>
1944 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1945 size_lookup[] array.
1946 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1947 (ggc_pch_count_object): Likewise.
1948 (ggc_pch_alloc_object): Likewise.
1949 (ggc_pch_write_object): Likewise.
1950 (init_ggc): Do not attempt to initialize entries in the
1951 size_lookup[] array for objects whose size is greater than than
1952 the length of the array.
1954 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1956 * dbxout.c (output_used_types_helper): Push queued types
1958 (output_types_sort): New.
1959 (output_used_types): Collect used types on a VEC and sort them
1962 2006-07-24 Richard Guenther <rguenther@suse.de>
1965 * cgraph.c (cgraph_remove_node): Do not check if dumps
1967 * cgraphunit.c (cgraph_optimize): Likewise.
1969 2006-07-24 Jan Hubicka <jh@suse.cz>
1971 PR rtl-optimization/28071
1972 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1973 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1974 splitting before first stmt.
1976 2006-07-24 Jan Hubicka <jh@suse.cz>
1978 PR rtl-optimization/28071
1979 * ipa-inline.c (update_caller_keys): Remove edges that
1980 are no longer inline candidates.
1982 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1985 * dbxout.c (output_used_types_helper, output_used_types): New.
1986 (dbxout_symbol): Call output_used_types.
1988 2006-07-23 Jan Hubicka <jh@suse.cz>
1992 * cgraph.c (cgraph_varpool_nodes): Export.
1993 (decide_is_variable_needed): Ignored "used" attribute in
1994 unit-at-a-time mode.
1995 * cgraph.h (cgraph_varpool_nodes): Declare.
1996 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1997 unit-at-a-time mode.
1999 2006-07-23 Roger Sayle <roger@eyesopen.com>
2002 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2003 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2004 the __gthrw form of thr_keycreate.
2005 (__gthread_key_delete): Silence the unused argument warning.
2007 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2010 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2011 Cache the last found '\0' marker to avoid quadratic behavior.
2013 2006-07-23 Jan Hubicka <jh@suse.cz>
2015 * i386.md (subsi_3_zext): Fix output template.
2017 2006-07-21 Mike Stump <mrs@apple.com>
2019 * doc/invoke.texi (C++ Dialect Options): Note that
2020 -fvisibility-inlines-hidden doesn't affect explicitly
2021 instantiationed inline methods.
2023 2006-07-20 Roger Sayle <roger@eyesopen.com>
2025 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2026 if the target assembler is GNU binutils' gas.
2027 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2028 whether to pass GNU gas or native as command line options.
2030 2006-07-20 Jason Merrill <jason@redhat.com>
2032 * tree.c (remove_attribute): New fn.
2033 * tree.h: Declare it.
2035 2006-07-20 Paul Brook <paul@codesourcery.com>
2038 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2039 they are invalidated by this instruction.
2041 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2044 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2046 2006-07-20 Eric Christopher <echristo@apple.com>
2049 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2051 2006-07-19 Eric Christopher <echristo@apple.com>
2053 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2054 Rewrite dependencies for libgcc_s.1.dylib.
2056 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2058 * except.c (duplicate_eh_regions_1): Clear next_peer.
2060 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2062 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2063 -mlongcall does not guarantee all calls will be long.
2064 * doc/extend.texi (long_call/short_call): Document that longcall
2065 does not guarantee a long call will be used.
2066 (longcall/shortcall): Likewise.
2068 2006-07-18 Roger Sayle <roger@eyesopen.com>
2071 * expmed.c (expand_shift): Additionally check that the shift_cost
2072 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2073 before implementing a LSHIFT_EXPR as a sequence of additions.
2074 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2075 middle-end that DImode shifts need to be synthesized by expand.
2077 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2080 * tree-ssa-operands.c (access_can_touch_variable): Update
2082 Return true if ALIAS is .GLOBAL_VAR.
2084 2006-07-18 David Daney <ddaney@avtrex.com>
2086 * gcc.c (display_help): Fix typo in help text.
2088 2006-07-18 Olivier Hainque <hainque@adacore.com>
2090 * tree.h (categorize_ctor_elements): Adjust prototype and add
2091 descriptive comment, both in accordance with the interface change
2093 * varasm.c (constructor_static_from_elts_p): New function.
2094 Whether a constructor node is a valid static constant initializer
2095 if all its elements are.
2096 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2097 * output.h: Declare it.
2098 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2099 is a valid constant initializer instead of computing the number of
2100 non-constant elements. Use constructor_static_from_elts_p for this
2101 purpose. Replace the head comment with an indication that this is a
2102 helper for categorize_ctor_elements.
2103 (categorize_ctor_elements): Same interface change as for the _1
2104 helper. Former head comment from this helper moved here, adjusted to
2105 account for the interface changes.
2106 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2107 (all_zeros_p): Likewise.
2108 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2109 static versions of the constructor from the categorize_ctor_elements
2110 return value instead of the formerly computed number of non-constant
2113 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2115 * configure: Regenerate.
2116 * Makefile.in (build_libsubdir): New configure substitution
2117 (build_libobjdir): New variable.
2118 (BUILD_LIBIBERTY): Use it.
2120 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2123 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2125 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2128 * c-common.c (handle_weakref_attribute): Ignore attribute in
2129 the same conditions the alias attribute is ignored.
2131 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2133 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2134 (dbxout_begin_prologue): Increment scope_labelno.
2136 2006-07-17 Richard Henderson <rth@redhat.com>
2139 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2142 2006-07-17 Roger Sayle <roger@eyesopen.com>
2143 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2145 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2146 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2147 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2148 functions such as sbrk, write, etc.. Add function prototypes.
2149 Convert function declarations from K&R to ISO C. Cast pointers
2150 to "long" and "unsigned long" instead of "int" and "unsigned int".
2151 Convert tokens following #endif into comments.
2153 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2155 * invoke.texi: Remove mention of f77; Reformat table for
2156 inline parameter options correctly; mention that -malign-double
2157 is default on x86-64 targets.
2159 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2161 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2162 (convert_affine_scev, chrec_convert_aggressive): Use
2163 avoid_arithmetics_in_type_p. Do not check for the subtypes
2166 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2169 * optabs.c (expand_doubleword_shift): Wrap the call to
2170 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2172 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2175 * optabs.c (expand_binop): Pass next_methods rather than methods
2176 to expand_doubleword_shift.
2178 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2181 * tree.h (dump_addr): Declare.
2182 * print-tree.c (dump_addr): New function.
2183 (print_node_brief, print_node): Use it.
2184 * print-rtl.c (print_rtx): Likewise.
2185 * common.opt (-fdump-noaddr): New option.
2186 * doc/invoke.texi (-fdump-noaddr): Document.
2187 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2188 (ve_info_hash): Likewise.
2190 2006-07-13 Andrew Haley <aph@redhat.com>
2192 PR tree-optimization/19505
2193 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2194 edge leaving this block, make sure that the destination of this
2195 block has only one predecessor.
2197 2006-07-17 Richard Guenther <rguenther@suse.de>
2199 PR tree-optimization/28238
2200 * tree-inline.c (copy_bb): Check if we produced valid
2201 gimple copying and substituting a stmt. If not, gimplify
2204 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2206 * optabs.c (maybe_encapsulate_block): New function extracted from...
2207 (emit_libcall_block): ...here. Invoke it on the block of insns to
2208 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2209 (emit_no_conflict_block): Likewise.
2211 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2213 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2215 2006-07-15 Roger Sayle <roger@eyesopen.com>
2217 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2218 a new NOP_EXPR case of the switch statement.
2220 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2223 * stor-layout.c (place_field): Take the bit field with
2224 an excessive size into account in the ms-bitfiled case.
2227 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2228 the previous bit field.
2230 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2233 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2235 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2237 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2238 signal frames correctly even when the signal was installed with
2241 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2243 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2244 (dbxout_function_end): Use local label LFBB. Remove hook
2246 (dbxout_source_line): Use local label LFBB.
2247 (dbxout_block): Likewise.
2248 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2249 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2250 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2251 and DBX_OUTPUT_NFUN.
2253 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2255 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2257 2006-07-13 Jan Hubicka <jh@suse.cz>
2259 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2261 * output.h (align_variable): Declare.
2262 * varasm.c (align_variable): Export.
2263 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2264 when basic block changed.
2266 2006-07-13 Nick Clifton <nickc@redhat.com>
2268 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2269 walking the LOG_LINKS chain.
2271 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2273 * doc/invoke.texi (C++ Dialect Options): Explain difference
2274 between -fvisibility-inlines-hidden and setting hidden
2275 visibility explicitly.
2277 2006-07-12 Eric Christopher <echristo@apple.com>
2279 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2280 (stmp-lipo): Depend on libgcc.a.
2282 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2284 * tree.c: Fix a comment typo.
2286 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2288 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2290 (umulhisi3_r): Likewise.
2292 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2295 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2296 x < 19, vs wchar_t support.
2298 2006-07-12 Nick Clifton <nickc@redhat.com>
2300 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2301 instead of -isa=sh4.
2303 2006-07-12 Mike Stump <mrs@apple.com>
2305 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2307 2006-07-10 Eric Christopher <echristo@apple.com>
2309 * config/t-slibgcc-darwin: Rewrite.
2311 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2314 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2317 2006-07-08 Matthias Klose <doko@debian.org>
2319 * doc/sourcebuild.texi: Fix typo.
2321 2006-07-07 Mike Stump <mrs@apple.com>
2323 * toplev.c (process_options): Don't give -ffunction-sections may
2324 affect debugging warning for Mach-O.
2326 2006-07-07 James E Wilson <wilson@specifix.com>
2328 * config/mips/mips.md (cpu): Add sb1a.
2329 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2330 addition to sb1. Adjust comments to clarify SB-1A differences from
2332 (ir_sb1a_load): New. Modify bypasses to use it.
2333 (ir_sb1a_simple_alu): Likewise.
2334 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2335 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2336 (mips_issue_rate): Add PROCESSOR_SB1A.
2337 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2338 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2339 (TARGET_SB1): Add PROCESSOR_SB1A check.
2340 (TUNE_SB1): Likewise.
2342 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2343 * config/mips/mips.c (mips_store_data_bypass_p): New.
2344 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2345 store_data_bypass_p.
2347 2006-07-08 Paul Brook <paul@codesourcery.com>
2350 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2352 2006-07-07 Richard Guenther <rguenther@suse.de>
2355 * tree.h (build_one_cst): Declare.
2356 * tree.c (build_one_cst): New function.
2357 * tree-ssa-math-opts.c (get_constant_one): Remove.
2358 (insert_reciprocals): Use build_one_cst.
2359 * fold-const.c (fold_plusminus_mult): Likewise.
2361 2006-07-07 Roger Sayle <roger@eyesopen.com>
2363 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2364 * cfgloopanal.c (dump_graph): Likewise.
2365 * dojump.c (discard_pending_stack_adjust): Likewise.
2366 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2368 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2369 * function.c (finalize_block_changes): Likewise.
2370 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2371 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2372 * rtl.c (dump_rtx_statistics): Likewise.
2373 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2375 * varray.c (dump_varray_statistics): Likewise.
2376 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2377 decode_decimal64, encode_decimal128, decode_decimal128,
2378 decimal_real_to_decimal): Likewise.
2380 2006-07-07 Richard Guenther <rguenther@suse.de>
2382 PR tree-optimization/28187
2383 * tree-vrp.c (vrp_operand_equal_p): New function.
2384 (vrp_bitmap_equal_p): Likewise.
2385 (update_value_range): Use them to compare old and new
2388 2006-07-06 Roger Sayle <roger@eyesopen.com>
2390 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2391 a default case to switch statement to silence compiler warnings.
2393 2006-07-06 Roger Sayle <roger@eyesopen.com>
2396 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2397 the configured assembler supports the x87's ffreep mnemonic.
2398 * configure: Regenerate.
2399 * config.in: Regenerate.
2401 * config/i386/i386.c (output_387_ffreep): New function.
2402 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2403 (output_387_reg_move): Likewise.
2405 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2407 Port to hosts whose 'sort' and 'tail' implementations
2408 treat operands with leading '+' as file names, as POSIX
2409 has required since 2001. However, make sure the code still
2410 works on pre-POSIX hosts.
2411 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2412 which says you should use "tail -c +N" rather than "tail +Nc".
2413 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2415 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2417 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2420 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2423 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2424 PRE_{INC,DEC} of TFmode.
2426 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2427 Alan Modra <amodra@bigpond.net.au>
2430 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2433 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2436 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2437 Remove duplicate gtu.
2439 2006-07-05 Jason Merrill <jason@redhat.com>
2443 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2444 * c-common.c (handle_packed_attribute): So don't copy it here.
2445 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2447 2006-07-05 Mike Stump <mrs@apple.com>
2449 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2451 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2454 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2456 2006-07-05 Richard Guenther <rguenther@suse.de>
2459 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2460 TARGET_SSE2 targets if using SSE math.
2461 (*absdf2_1): Likewise.
2463 2006-07-05 Richard Guenther <rguenther@suse.de>
2465 PR tree-optimization/28162
2466 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2467 make sure to convert the operands to the correct type.
2469 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2471 PR tree-optimization/28218
2473 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2474 to calculate and free the dominator information.
2476 2006-07-04 Peter O'Gorman <peter@pogma.com>
2478 * mklibgcc.in: chmod 644 before ranlib during install.
2480 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2481 J"orn Rennecke <joern.rennecke@st.com>
2483 * configure.ac (.eh_frame data check): Use diff -b.
2485 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2488 * Makefile.in (BUILD_RTL): Add build/vec.o.
2489 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2490 (build/genextract): Delete.
2491 (build/genautomata): Likewise.
2493 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2496 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2497 128-bit IBM long doubles for ABI_V4.
2499 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2501 * tree.c (range_in_array_bounds_p): New predicate.
2502 * tree.h (range_in_array_bounds_p): Declare it.
2503 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2504 return a less conservative answer.
2505 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2506 and flag 'is_group'.
2507 (IS_ELEMENT_FOR_GROUP): New macro.
2508 (FOR_EACH_ACTUAL_CHILD): Likewise.
2509 (next_child_for_group): New helper function.
2510 (can_completely_scalarize_p): Take into account groups.
2511 (sra_hash_tree): Handle RANGE_EXPR.
2512 (sra_elt_eq): Likewise.
2513 (lookup_element): Be prepared for handling groups.
2514 (is_valid_const_index): Delete.
2515 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2516 instead of is_valid_const_index.
2517 <ARRAY_RANGE_REF>: New case.
2518 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2519 is_valid_const_index.
2520 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2521 (scan_dump): Dump info for groups too.
2522 (decide_instantiation_1): Likewise.
2523 (decide_block_copy): Assert that the element is not a group.
2524 Propagate decision to groups.
2525 (generate_one_element_ref): Handle RANGE_EXPR.
2526 (mark_no_warning): Iterate over actual childs.
2527 (generate_copy_inout): Likewise.
2528 (generate_element_copy): Likewise.
2529 (generate_element_zero): Likewise.
2530 (generate_element_init_1): Likewise.
2531 (dump_sra_elt_name): Handle RANGE_EXPR.
2533 2006-07-03 Roger Sayle <roger@eyesopen.com>
2535 PR tree-optimization/26251
2536 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2537 (thread_block): When optimizing for size refuse to thread jumps
2538 that would require duplication of blocks other than redirection
2541 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2543 * configure.ac: Fix thinko in previous check-in.
2544 * configure: Regenerate.
2546 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2549 * configure.ac (for lang...): Simplify nesting of conditionals.
2550 Test subdir_requires for non-enabled languages. Move processing
2551 of lang_opt_files and lang_tree_fiels below that test.
2552 * configure: Regenerate.
2553 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2555 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2557 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2559 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2561 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2564 2006-06-29 Jason Merrill <jason@redhat.com>
2571 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2572 * c-common.c (c_determine_visibility): Handle it here.
2573 * c-decl.c (finish_decl): Call c_determine_visibility for
2575 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2577 * varasm.c (default_assemble_visibility): Likewise.
2578 * c-common.c (handle_visibility_attribute): Complain about trying
2579 to give visibility to an already defined class, or trying to change
2580 declared visibility. Always attach the attribute.
2585 * attribs.c (decl_attributes): Ignore type-in-place attributes
2586 once the type has been defined.
2588 2006-06-29 Roger Sayle <roger@eyesopen.com>
2591 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2592 to indicate the cpplib has issued an error message for us.
2594 2006-06-29 Asher Langton <langton2@llnl.gov>
2597 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2598 insert a label at the end of an function under Mach-O.
2600 2006-06-29 Eric Christopher <echristo@apple.com>
2601 Evan Cheng <evan.cheng@apple.com>
2603 * predicates.md (vector_all_ones_operand): New.
2604 (nonimmediate_or_sse_const_operand): Ditto.
2605 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2606 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2607 (standard_sse_mode_p): Ditto.
2608 (standard_sse_constant_p): Add case for -1 vector.
2609 (ix86_expand_vector_move): Try to use.
2610 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2611 Call standard_sse_constant_opcode.
2612 (*movv4sf_internal): Ditto.
2613 (*movv2df_internal): Ditto.
2615 2006-06-29 Roger Sayle <roger@eyesopen.com>
2617 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2618 of XEXP to extract the operands of a MATCH_CODE rtx.
2620 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2622 * tree.c (tree_size): Do not waste tail padding in
2623 struct tree_string and make the size be the same as
2624 build_string will generate.
2626 2006-06-28 Jason Merrill <jason@redhat.com>
2629 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2630 may_aliases already in the tag's annotations to the bitmap.
2632 2006-06-28 Roger Sayle <roger@eyesopen.com>
2634 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2636 2006-06-28 Roger Sayle <roger@eyesopen.com>
2638 * genpreds.c (generate_switch_p): New function.
2639 (add_mode_tests): Push the new mode test down inside an AND expr
2640 if this allows the switch-suitable MATCH_CODE to be near the root.
2641 (write_match_code_switch): New function to write a MATCH_CODE as
2643 (write_predicate_stmts): New function to write a predicate RTX
2644 expression as a sequence of statements.
2645 (write_one_predicate_function): Use write_predicate_stmts.
2646 (write_tm_constrs_h): Likewise.
2648 2006-06-26 Fred Fish <fnf@specifix.com>
2650 * config/mips/t-sb1: New file.
2651 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2654 2006-06-26 DJ Delorie <dj@redhat.com>
2656 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2658 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2659 Jayant Sonar <jayants@kpitcummins.com>
2660 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2662 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2663 (subsi3, subsi3_1, subsi3_2): New.
2664 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2665 * config/m32c/mov.md (SI mov peephole): New.
2666 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2667 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2669 2006-06-26 Olivier Hainque <hainque@adacore.com>
2671 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2672 a CALL_EXPR target function declaration.
2674 2006-06-26 Richard Guenther <rguenther@suse.de>
2676 * tree.c (build_string): Do not waste tail padding in
2679 2006-06-26 Richard Guenther <rguenther@suse.de>
2681 * ggc-page.c (init_ggc): Add missing element to size_lookup
2685 2006-06-23 Richard Guenther <rguenther@suse.de>
2687 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2688 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2689 alignment requests instead. Add verification code.
2690 Add struct tree_function_decl and struct tree_binfo size to
2691 extra_order_size_table. Add missing element to size_lookup
2694 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2697 * fold-const.c (const_binop): Be prepared for self returning zero.
2698 Simplify code handling complex values.
2700 2006-06-24 Olivier Hainque <hainque@adacore.com>
2702 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2703 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2706 2006-06-24 Olivier Hainque <hainque@adacore.com>
2708 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2709 ARRAY_REF, so have the callback called for the low bound expression.
2711 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2713 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2714 * c-typeck.c (c_common_type): Disallow operations on decimal float
2715 types and other float types.
2716 * convert.c (convert_to_real): Don't ignore conversions involving
2717 decimal float types.
2719 2006-06-23 Olivier Hainque <hainque@adacore.com>
2721 * tree.c (max_int_size_in_bytes): New function, inspired from
2722 code in function.c:assign_temp.
2723 * tree.h (max_int_size_in_bytes): Declare.
2724 * function.c (assign_temp): Use it.
2725 * gimplify.c (create_tmp_var): Relax the assertions on the type
2726 properties, not mandating constant size any more.
2727 (force_constant_size): New static function.
2728 (gimple_add_tmp_var): Use it, forcing variable size to a
2729 constant upper bound if it is not constant on entry.
2731 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2734 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2735 for initialization and setting of one_only flag to ...
2736 (i386_pe_encode_section_info): ...here.
2737 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2738 Recheck that the symbol has not been defined.
2740 2006-06-23 Richard Guenther <rguenther@suse.de>
2742 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2743 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2744 alignment requests instead. Add verification code.
2745 Add struct tree_function_decl and struct tree_binfo size to
2746 extra_order_size_table. Add missing element to size_lookup
2749 2006-06-22 Roger Sayle <roger@eyesopen.com>
2750 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2753 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2754 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2756 2006-06-23 Ben Elliston <bje@au.ibm.com>
2758 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2759 negate dn -- manipulate it directly.
2761 2006-06-22 Roger Sayle <roger@eyesopen.com>
2762 Steven Bosscher <stevenb.gcc@gmail.com>
2765 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2766 generated by gen_move_insn to add REG_LABEL notes if necessary.
2768 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2770 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2771 (leaf_entry): Remove use of MIN_ESA.
2773 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2775 PR rtl-optimization/28121
2776 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2779 2006-06-21 DJ Delorie <dj@redhat.com>
2781 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2783 (mulhisi3_r): Likewise.
2785 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2788 * coverage.c (coverage_counter_alloc): Leave the index type
2790 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2793 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2795 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2796 section from the "Options for Code Generation Conventions".
2798 2006-06-21 Richard Henderson <rth@redhat.com>
2802 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2804 (global_symbolic_operand): Allow weak symbols, even if local_p.
2806 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2808 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2809 (find_interesting_uses_address): Punt if above function returns true.
2811 2006-06-21 Richard Guenther <rguenther@suse.de>
2813 * configure: Regenerated.
2815 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2817 * config/mips/mips.c (function_arg): Where one part of a
2818 complex argument is in registers and the other part in the stack,
2819 return a REG not a PARALLEL.
2821 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2823 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2824 when cross-compiling. Do not substitute libstdcxx_incdir.
2825 * configure: Regenerated.
2827 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2829 * varasm.c (mergeable_string_section): Check for embedded NULs and
2830 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2831 rather than TREE_STRING_LENGTH bytes.
2833 2006-06-21 Richard Guenther <rguenther@suse.de>
2835 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2836 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2839 2006-06-21 Richrad Guenther <rguenther@suse.de>
2841 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2842 Limit iteration over the dominators.
2844 2006-06-20 Roger Sayle <roger@eyesopen.com>
2846 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2847 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2849 2006-06-20 Richard Guenther <rguenther@suse.de>
2850 Michael Matz <matz@suse.de>
2852 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2854 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2855 * et-forest.h (et_free_pools): Prototype new function.
2856 * et-forest.c (et_free_tree_force): Free parent occurrence.
2857 (et_free_pools): New function.
2858 * dominance.c (free_dominance_info): Free et-forest alloc
2861 2006-06-20 Roger Sayle <roger@eyesopen.com>
2863 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2864 integer modes, attempt to directly construct an integer constant.
2866 * fold-const.c (native_encode_vector): Determine the size of each
2867 element from the vector type instead of the first vector element.
2869 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2870 if all of its elements/components are constant.
2871 (build_constructor_from_list): Likewise.
2873 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2875 PR tree-optimization/27331
2876 * tree-data-ref.c (free_data_ref): New function.
2877 (create_data_ref): Fail if the data reference has unknown access
2879 (free_data_refs): Use free_data_ref.
2881 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2884 * tree-inline.c (setup_one_parameter): Strip useless
2885 type conversion before adding it to the IR.
2886 (declare_return_variable): Likewise.
2888 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2891 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2893 2006-06-19 Mike Stump <mrs@apple.com>
2895 * tree.c (variably_modified_type_p): VM arguments don't make the
2898 2006-06-19 Richard Guenther <rguenther@suse.de>
2900 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2901 type conversions after folding.
2903 2006-06-19 Richard Guenther <rguenther@suse.de>
2905 * ggc-page.c (extra_order_size_tab): Add entries with
2906 size of struct function and basic_block.
2907 (size_lookup): Extend to cover sizes up to 511.
2908 (ggc_alloc_stat): Adjust user.
2909 (ggc_pch_count_object): Likewise.
2910 (ggc_pch_alloc_object): Likewise.
2911 (ggc_pch_write_object): Likewise.
2913 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2915 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2916 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2919 2006-06-19 Denis Chertykov <denisc@overta.ru>
2921 * config/avr/libgcc.S : Correct my wrong previous commit.
2923 2006-06-19 Roger Sayle <roger@eyesopen.com>
2926 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2927 have stripped a SUBREG from the shift count, so we may need to
2928 convert_to_mode back to the type's mode before calling make_tree.
2929 Use new_amount instead of amount to avoid expanding a tree twice.
2931 2006-06-19 Richard Guenther <rguenther@suse.de>
2934 * fold-const.c (operand_equal_p): Check if the argument types
2935 have the same precision before stripping NOPs.
2937 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2939 Fix PR tree-optimization/27341
2940 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2942 * tree-complex.c (pass_lower_complex): Update SMT usage.
2944 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2946 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2947 Add a new alternative to the constraint strings. Add move of
2948 operand 1 to 3 to the splitter definition.
2949 ("doloop_si_long"): Second contraint alternative removed.
2951 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2953 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2954 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2956 (AVR_HAVE_MOVW) Define.
2957 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2958 (ASM_SPEC): Add avr25.
2959 (LINK_SPEC): Add avr25.
2960 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2961 (base_arch_s): Add new member 'have_movw_lpmx'.
2962 (avr_arch_types): Init 'have_movw_lpmx'.
2963 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2964 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2965 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2966 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2967 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2969 (avr_file_start): Do not output '.arh' derective.
2970 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2971 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2972 * config/avr/avr.md (mcu_enhanced): Delete.
2973 (mcu_have_movw): Define.
2974 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2975 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2976 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2977 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2978 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2979 attiny861 and at86rf401 devices.
2981 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2983 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2986 2006-06-17 Karl Berry <karl@gnu.org>
2988 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2989 doc/gccint.texi, doc/install.texi (@dircategory): Use
2990 "Software development" instead of "Programming", following
2991 the Free Software Directory.
2993 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2995 * config/i386/i386.c (legitimate_tls_address)
2996 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2997 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2998 (*tls_dynamic_gnu2_combine_64): Likewise.
3000 2006-06-16 Richard Guenther <rguenther@suse.de>
3003 * fold-const.c (negate_expr_p): Do not introduce undefined
3004 overflow in negating INTEGER_CSTs.
3005 (fold_negate_expr): Rename from negate_expr. Revert last
3006 change for folding BIT_NOT_EXPR. Change semantics to
3007 return NULL_TREE for non-simplified negations. Do not
3008 strip type conversions and unify type handling.
3009 (negate_expr): New function, wrap around fold_negate_expr
3010 but ensure building a tree always. Strip type conversions
3011 here, fold to result type.
3012 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3014 2006-06-16 Roger Sayle <roger@eyesopen.com>
3017 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3018 that (would) return their results in stack registers.
3020 2006-06-16 Michael Matz <matz@suse.de>
3021 Richard Guenther <rguenther@suse.de>
3023 * fold-const.c (fold_truthop): Only return new tree node if
3024 we canonicalized something.
3026 2006-06-16 Richard Guenther <rguenther@suse.de>
3028 * function.h (enum function_frequency): Move declaration
3029 out of struct function.
3030 (struct function): Move bool fields and the enum to the bitfield
3031 section. Reorder elements to avoid padding. Remove unused
3032 fields left over from the RTL inliner removal.
3033 * function.c (free_after_compilation): Do not zero removed fields.
3034 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3035 (ipa-type-escape.o): Likewise.
3037 2006-06-16 Richard Guenther <rguenther@suse.de>
3039 * cgraph.h (struct cgraph_local_info): Turn bool elements
3041 (struct cgraph_node): Likewise.
3042 (struct cgraph_varpool_node): Likewise.
3044 2006-06-15 Richard Guenther <rguenther@suse.de>
3046 * fold-const.c (fold_truth_not_expr): Rename from
3047 invert_truthvalue. Give it fold_* semantics to avoid
3049 (invert_truthvalue): New function. Wrapper around
3050 fold_truth_not_expr.
3051 (optimize_minmax_comparison): Avoid creating garbage.
3052 (fold_unary): Use fold_truth_not_expr for folding
3054 (fold_ternary): Replace uses of invert_truthvalue with
3055 fold_truth_not_expr where applicable.
3056 * tree.h (fold_truth_not_expr): Prototype.
3058 2006-06-16 Richard Guenther <rguenther@suse.de>
3060 PR tree-optimization/27781
3061 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3062 * ipa-pure-const.c (target.h): Include.
3063 (analyze_function): Do not analyze functions that do not
3066 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3069 * tree-dfa.c (referenced_vars_dup_list): Remove.
3070 (find_referenced_vars): Remove assert.
3071 (referenced_var_check_and_insert): Replace dup list with assert.
3072 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3073 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3075 2006-06-15 Richard Guenther <rguenther@suse.de>
3077 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3078 extra unused identifiers if not dumping.
3079 (create_variable_info_for): Likewise.
3081 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3083 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3084 (derive_constant_upper_bound): Derive more precise upper bound in
3085 common cases. Return type changed to double_int.
3086 (record_estimate): Reflect the changed return type of
3087 derive_constant_upper_bound.
3088 * double-int.c (double_int_zext, double_int_sext): Fix.
3090 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3092 * configure.ac (CFLAGS): Get them from the toplevel or from the
3093 configure invocation.
3094 * configure: Regenerate.
3095 * Makefile.in (CFLAGS): Substitute value provided by configure.
3097 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3100 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3101 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3102 rather than calling add_stmt on it.
3103 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3105 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3108 * reload1.c (reload): Remove registers returned by update_eliminables
3109 from used_spill_regs.
3111 2006-06-13 DJ Delorie <dj@redhat.com>
3113 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3115 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3117 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3118 html__strip_dir, html__mkdir_p. Enhance install-html target.
3119 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3120 * configure: Regenerate.
3122 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3124 * fold-const.c (fold_cond_expr_with_comparison): Check for
3125 Objective-C++ as language in deciding COND_EXPR transformation.
3127 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3130 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3131 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3132 * config/sh/lib1funcs.h (SL, SL1): Define.
3133 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3134 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3135 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3136 (OBJS_Os_4_200): New variable.
3137 ($(T)libgcc-Os-4-200.a): Use it.
3138 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3139 when dividing 1 and/or by 0.
3141 2006-06-13 Roger Sayle <roger@eyesopen.com>
3143 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3144 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3145 * configure: Regenerate.
3147 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3149 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3150 for real instruction.
3152 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3155 * haifa-sched.c (check_cfg): Handle special case.
3157 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3160 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3161 Add debug_info parameter. Chain the vars to the BLOCK instead
3162 of the BIND_EXPR if debug info are requested for them.
3163 (pop_gimplify_context): Adjust for above change.
3164 (gimple_add_tmp_var): Likewise.
3165 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3167 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3168 (convert_local_reference): Likewise.
3169 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3170 (finalize_nesting_tree_1): Request that debug info be emitted
3171 for debug_var_chain.
3173 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3175 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3176 for PR target/27863.
3178 2006-06-13 Richard Guenther <rguenther@suse.de>
3181 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3183 2006-06-13 Richard Guenther <rguenther@suse.de>
3185 PR tree-optimization/27830
3186 * tree-inline.c (copy_body_r): For copying the operand
3187 of an ADDR_EXPR make sure to fold &* afterwards.
3189 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3191 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3192 lvalues in the fb_none case with side-effects.
3194 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3196 * tree-flow.h: Remove the prototype for
3197 compute_phi_arg_on_exit.
3198 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3199 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3202 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3204 * builtins.c (expand_builtin_return_addr): Only use
3205 frame_pointer_rtx when count == 0 and we are expanding
3206 __builtin_return_address.
3208 2006-06-12 Fred Fish <fnf@specifix.com>
3210 * config/mips/mips.c (mips_file_start): Create special section
3211 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3213 2006-06-11 Eric Christopher <echristo@apple.com>
3216 * stor-layout.c (place_field): Remove check for
3217 remaining_in_alignment when aligning at the end of a run.
3219 2006-06-11 Eric Christopher <echristo@apple.com>
3222 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3225 2006-06-11 Roger Sayle <roger@eyesopen.com>
3228 Revert incorrect fix for PR target/27158
3229 2006-05-08 Roger Sayle <roger@eyesopen.com>
3230 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3231 of a reg_equiv_constant if the result is a legitimate constant.
3233 2006-06-11 Roger Sayle <roger@eyesopen.com>
3236 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3237 extract a CONST_VECTOR element and interpret it as an integer.
3238 (vspltis_constant): Use const_vector_elt_as_int instead of the
3239 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3240 * config/rs6000/predicates.md (easy_vector_const): Consider
3241 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3243 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3246 * stor-layout.c (update_alignment_for_field): Don't add extra
3247 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3250 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3252 * config/mips/t-rtems: Add EL/EB multilib variants.
3254 2006-06-09 Mike Stump <mrs@apple.com>
3256 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3258 2006-06-09 David Daney <ddaney@avtrex.com>
3260 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3262 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3264 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3266 2006-06-09 Richard Guenther <rguenther@suse.de>
3268 PR tree-optimization/26998
3269 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3270 of signed types, only TYPE_MIN_VALUE is special, but for both,
3271 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3272 in this case, as is -fwrapv.
3274 2006-06-08 Mike Stump <mrs@apple.com>
3277 * config/darwin.c (darwin_asm_output_anchor): Disable
3278 -fsection-anchors on darwin for now.
3279 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3280 * rs6000/rs6000.c (optimization_options): Likewise.
3282 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3285 * config/i386/i386.c (classify_argument): Skip fields with invalid
3288 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3290 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3291 (cse_insn): Likewise for the stack_pointer_rtx.
3293 2006-06-08 Roger Sayle <roger@eyesopen.com>
3295 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3296 conditions from floating point comparisons.
3298 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3301 * expmed.c (struct alg_hash_entry): Fix type of field T
3302 to match synth_mult argument.
3303 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3305 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3308 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3311 2006-06-08 Richard Guenther <rguenther@suse.de>
3314 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3315 only, if overflow is defined and not trapping.
3316 (negate_expr): Likewise.
3318 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3320 PR tree-optimization/27872
3321 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3322 flag on the new exit edge of the unrolled loop.
3324 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3326 PR rtl-optimization/26449
3327 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3329 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3332 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3333 referenced_variables with matching DECL_UID's.
3334 (find_referenced_vars): Make sure duplicate list is empty to start.
3335 (referenced_var_p): Remove.
3336 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3337 Check if var is in the list, and add if needed. Update the duplicate
3338 list if a different var is in the list with the same DECL_UID.
3339 (add_referenced_var): Call routine to check and insert.
3340 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3341 * tree-flow.h (referenced_vars_dup_list): External declaration.
3343 2006-06-07 Fred Fish <fnf@specifix.com>
3345 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3348 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3351 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3352 the imaginary and real parts of a clobbered register.
3353 Emit insn to set the imaginary part.
3355 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3357 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3358 in lieu of unwind-dw2-fde.c.
3360 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3362 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3364 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3367 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3368 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3369 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3370 V4SImode temporaries and operations instead.
3372 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3374 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3377 2006-06-06 Mike Stump <mrs@apple.com>
3379 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3380 installing during build.
3382 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3384 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3386 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3387 * config/ia64/ia64.c (params.h): New header.
3388 (ia64_optimization_options): New function to adjust parameters.
3389 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3390 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3391 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3393 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3395 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3397 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3400 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3402 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3403 Victor Kaplansky <victork@il.ibm.com>
3405 PR tree-optimization/26360
3406 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3409 2006-06-04 Roger Sayle <roger@eyesopen.com>
3410 Andrew Pinski <pinskia@physics.uc.edu>
3413 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3414 for LABEL_DECL before calling DECL_WEAK.
3417 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3418 LABEL_DECL and PARM_DECL.
3420 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3424 * c-decl.c (grokdeclarator): Disallow variably modified types at
3425 file scope. Avoid marking shared array type of constant size as
3428 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3431 * c-common.c (fold_offsetof_1): Handle static members.
3433 2006-06-04 Eric Christopher <echristo@apple.com>
3435 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3436 (debug_rli): Output value for remaining_in_alignment.
3437 (update_alignment_for_field): Unconditionalize
3438 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3439 extra alignment code.
3440 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3441 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3442 * tree.h (record_layout_info_s): Remove prev_packed.
3443 * doc/extend.texi (ms_struct): Add documentation of format.
3445 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3447 * tree.h: Declare folding_initializer.
3448 * builtins.c (fold_builtin_constant_p): Give definite answer
3449 if folding inside an initializer.
3450 * fold-const.c: Define folding_initializer.
3451 (START_FOLD_INIT): Save and then set folding_initializer.
3452 (END_FOLD_INIT): Restore folding_initializer.
3454 2006-06-04 Richard Guenther <rguenther@suse.de>
3456 PR tree-optimization/27039
3457 * fold-const.c (fold_comparison): Handle pointer comparison
3458 again for all comparison codes. Compare offsets in signed
3460 (fold_binary): Move code from here.
3462 2006-06-03 Roger Sayle <roger@eyesopen.com>
3465 * config/i386/i386.c (construct_container): Split static issued_error
3466 flag into issued_sse_arg_error, issued_sse_ret_error and
3467 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3468 requires the use of x87 registers and the user explicitly
3469 specified the -mno-80387 command line option.
3471 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3473 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3474 HAVE_DECL_SIGALTSTACK.
3476 (segv_handler): Use MC_FLD.
3477 * configure.ac: Check for a sigaltstack declaration.
3478 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3479 * configure: Regenerate.
3480 * config.in: Regenerate.
3482 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3485 * Makefile.in (stmp-fixinc): Fix typo.
3487 2006-06-02 Roger Sayle <roger@eyesopen.com>
3489 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3490 are type correct. Clean-up.
3491 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3492 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3494 2006-06-01 DJ Delorie <dj@redhat.com>
3496 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3497 shift, as we've disabled the "switch" insn that needs it.
3499 2006-06-01 Per Bothner <bothner@bothner.com>
3501 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3502 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3503 * c-ppoutput.c (cb_define): Don't increment line 0.
3505 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3507 * doc/invoke.texi: Add cpu_type power6.
3508 * config.gcc: Add cpu_type power6.
3509 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3510 to power5+ with Altivec.
3511 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3512 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3514 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3516 * config/avr/avr.h (SET_ASM_OP): Define.
3518 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3520 * config/bfin/bfin.c: Fix comment typos.
3522 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3525 * doc/install.texi: Document --enable-bootstrap and
3526 --disable-bootstrap.
3528 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3530 * doc/install.texi: Document that InfoZIP can replace jar.
3532 2006-05-31 Roger Sayle <roger@eyesopen.com>
3534 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3535 isn't available, directly generate the simpler x87 patterns without
3536 the (use (const_int 0)).
3537 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3538 implementation isn't available.
3539 (*negdf2_1): Likewise.
3540 (*negxf2_1): XF mode negation is always done using the x87.
3541 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3543 2006-05-31 Roger Sayle <roger@eyesopen.com>
3545 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3546 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3548 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3550 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3552 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3553 * config/bfin/bfin.c (basic-block.h): Include.
3554 (struct machine_function): New.
3555 (bfin_init_machine_status): New.
3556 (override_options): Initialize init_machine_status.
3557 (bfin_hardware_loop): New.
3558 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3559 (DEF_VEC_P (loop_info)): New.
3560 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3561 (struct loop_info): New.
3562 (loop_info): New typedef.
3563 (struct loop_work): New.
3564 (loop_work): New typedef.
3565 (DEF_VEC_O (loop_work)): New.
3566 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3567 (bfin_dump_loops): New.
3568 (bfin_bb_in_loop): New.
3569 (bfin_scan_loop): New.
3570 (bfin_optimize_loop): New.
3571 (bfin_reorg_loops): New.
3572 (bfin_reorg): Use bfin_reorg_loops.
3573 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3575 (I_REGNO_P): Simplify.
3576 (DP_REGNO_P, DPREG_P): New macros.
3577 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3578 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3579 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3580 Add LT_REGS, LC_REGS, LB_REGS.
3581 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3583 (REGNO_REG_CLASS): Deal with loop registers.
3584 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3586 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3587 New constants for loop registers.
3588 (UNSPEC_LSETUP_END): New.
3589 (seq_insns): New define_attr. Set it for appropriate insns.
3590 (movsi_insn): Add alternatives for move from/to
3591 loop count registers.
3592 (doloop_end): New define_expand.
3593 (loop_end): New define_insn.
3594 (define_split for bad doloop_end): New.
3595 (lsetup_with_autoinit): New define_insn.
3596 (lsetup_without_autoinit): New define_insn.
3597 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3598 * config/bfin/predicates.md (lc_register_operand): New.
3599 (lt_register_operand): New.
3600 (lb_register_operand): New.
3601 (nondp_register_operand): New.
3602 (nondp_reg_or_memory_operand): New.
3603 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3605 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3607 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3608 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3610 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3612 * Makefile.in (CATALOGS): Add po/ prefix.
3613 * configure: Regenerated.
3615 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3618 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3619 a shift operand before calling shift_op. Avoid redundant call of
3622 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3623 DJ Delorie <dj@redhat.com>
3625 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3626 we're inserting is a singlt-bit constant.
3628 2006-05-30 Roger Sayle <roger@eyesopen.com>
3630 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3631 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3633 2006-05-30 Roger Sayle <roger@eyesopen.com>
3635 PR tree-optimization/23452
3636 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3637 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3638 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3639 complex values and with -ffast-math for FP complex values.
3641 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3643 * c-common.h: Remove the prototype for yyparse.
3644 * rtl.h: Remove the prototype for init_loop.
3646 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3648 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3651 2006-05-30 Roger Sayle <roger@eyesopen.com>
3653 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3655 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3656 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3658 2006-05-30 Dirk Mueller <dmueller@suse.de>
3661 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3662 for CONSTANT_CLASS_P expresisons.
3664 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3667 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3669 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3671 PR tree-optimization/27779
3672 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3673 initial_condition instead of CHREC_LEFT.
3675 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3677 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3678 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3679 Make prototypes ISO C90.
3681 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3682 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3684 * see.c (see_analyze_one_def): Correct check.
3685 (see_get_extension_data): Check if extension is parallel.
3686 (see_get_extension_reg): Likewise.
3688 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3691 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3692 into register for (code == GTU).
3694 2006-05-29 Roger Sayle <roger@eyesopen.com>
3696 PR tree-optimization/24964
3697 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3698 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3699 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3700 abs(x)*abs(x) as x*x for scalar floating point modes.
3702 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3705 * lambda-code.c (perfect_nestify): Don't copy statements
3706 in the inner loop: move them to the inner loop header.
3708 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3711 * c-tree.texi: Document OpenMP directives and clauses.
3713 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3715 * varasm.c (globalize_decl): Fix indentation.
3717 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3720 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3721 pass_fre, pass_store_ccp, pass_copy_prop,
3722 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3723 pass_return_slot, pass_object_size, pass_lim,
3724 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3725 pass_loop_prefetch and pass_stdarg.
3727 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3729 * config/bfin/bfin.opt (mfdpic): New option.
3730 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3731 (EXTRA_MULTILIB_PARTS): Likewise.
3732 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3733 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3735 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3736 (CRT_CALL_STATIC_FUNCTION): New.
3737 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3739 (CRT_CALL_STATIC_FUNCTION): New.
3740 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3742 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3743 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3744 (initialize_trampoline): Changed to handle FD-PIC code generation.
3745 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3746 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3747 (override_options): Disallow -mid-shared-library -mfdpic combination.
3748 Can't do unaligned ops if FD-PIC.
3749 Turn off flag_pic if trying to generate non-id-shared-library
3750 non-fdpic code, since it's not supported.
3751 (bfin_assemble_integer): New function.
3752 (TARGET_ASM_INTEGER): Define.
3753 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3755 * config/bfin/crtn.s: Restore them.
3756 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3758 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3759 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3760 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3761 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3762 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3764 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3765 FDPIC_REGS and FDPIC_FPTR_REGS.
3766 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3767 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3768 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3769 (load_funcdescsi): New pattern.
3770 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3771 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3772 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3774 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3776 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3779 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3781 * tree-flow.h: Remove the prototype for add_type_alias.
3782 * tree-ssa-alias.c (add_type_alias): Remove.
3784 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3786 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3787 config/fr30/fr30.md, config/i386/i386-interix.h,
3788 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3789 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3790 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3791 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3792 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3793 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3794 Follow spelling conventions.
3795 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3796 Follow spelling conventions.
3798 2006-05-27 Richard Guenther <rguenther@suse.de>
3801 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3802 to produce a constant of value 1 of generic type.
3804 2006-05-27 Dirk Mueller <dmueller@suse.de>
3806 * cgraphunit.c (decide_is_function_needed): Fix wrong
3809 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3811 PR rtl-optimization/27661
3812 * reload.c (find_reloads): When reloading a VOIDmode constant
3813 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3814 use Pmode as mode of the reload register.
3816 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3818 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3819 is enabled at -O and above.
3821 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3824 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3827 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3830 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3831 for anonymous variables explicitly declared by front ends.
3833 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3835 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3836 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3837 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3838 ref-all pointers, run a finalization pass for them.
3839 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3840 (finalize_ref_all_pointers): New function.
3841 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3842 regular pointer type to a ref-all pointer type.
3843 (get_tmt_for): Return the special memory tag for ref-all pointers.
3845 2006-05-25 Richard Guenther <rguenther@suse.de>
3848 * fold-const.c (fold_binary): Do not look at the stripped
3849 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3851 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3853 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3854 for LT and GT if the computed range is effectively empty.
3856 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3859 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3860 mips_quad_format formats instead of ieee_single_format,
3861 ieee_double_format and ieee_quad_format formats, respectively.
3863 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3865 PR tree-optimization/27639
3866 PR tree-optimization/26719
3867 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3868 call to scev_probably_wraps_p.
3869 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3870 used_in_pointer_arithmetic_p, convert_step): Removed.
3871 (nowrap_type_p): New function.
3872 (scev_probably_wraps_p): Rewritten.
3873 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3874 chrec_convert if chrec_convert_aggressive might have been used.
3875 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3876 scev_direction): New functions.
3877 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3878 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3879 instead of convert_step.
3880 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3881 (convert_step): Declaration removed.
3882 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3884 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3886 * df-core.c: Added to header comments.
3887 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3888 df_ur_bb_info, df_urec_bb_info): Added comments.
3889 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3890 urec, ri problems): Fixed header comments.
3891 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3892 code from df_rd_transfer_function.
3894 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3896 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3897 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3898 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3900 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3902 * expr.c (undefined_operand_subword_p): New.
3903 (emit_move_multi_word): Do not generate move from undefined bits
3904 of a paradoxical subreg.
3906 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3908 PR rtl-optimization/27736
3909 * combine.c (replaced_rhs_value): New variable.
3910 (combine_instructions): Set it.
3911 (distribute_notes): When distributing a note in replaced_rhs_insn,
3912 check whether the value was used in replaced_rhs_value.
3914 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3917 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3918 add_referenced_var instead of add_referenced_tmp_var.
3919 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3920 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3922 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3923 tree_optimize_tail_calls_1): Use add_referenced_var.
3924 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3925 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3926 Use add_referenced_var.
3927 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3928 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3929 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3930 Use add_referenced_var.
3931 * tree-dfa.c (struct walk_state): Remove.
3932 (find_referenced_vars): Remove walk state and vars_found hash table.
3933 (make_rename_temp): Use add_referenced_var.
3934 (find_vars_r): Pass less parameters to add_referenced_var.
3935 (referenced_var_p): New. Is var in referenced_var hash table.
3936 (referenced_var_insert): Assert var isn't already in hash table.
3937 (add_referenced_var): Don't need walk_state parameter. Add var if it
3938 isn't already in the hash table.
3939 (add_referenced_tmp_var): Remove.
3940 (find_new_referenced_vars_1): Use add_referenced_var.
3941 * tree-ssa-pre.c (create_expression_by_pieces,
3942 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3943 Use add_referenced_var.
3944 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3945 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3946 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3948 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3949 vect_create_data_ref_ptr, vect_create_destination_var,
3950 vect_init_vector, vect_build_loop_niters,
3951 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3952 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3953 Use add_referenced_var.
3954 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3955 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3956 (add_referenced_var): Add prototype.
3957 * tree-ssa-structalias.c (get_constraint_for,
3958 intra_create_variable_infos): Use add_referenced_var.
3960 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3962 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3963 big-endian paradoxical subregs.
3964 * var-tracking.c (struct micro_operation_def): Document that,
3965 for modify micro operations, insn is the subsequent instruction.
3966 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3967 (var_reg_set, var_mem_set): ... new functions.
3968 (add_stores): Record subsequent insn.
3969 (compute_bb_dataflow): Use new functions for MO_USE.
3970 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3971 notes after the insn, and modify notes before the insn known
3972 to be the subsequent one.
3973 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3975 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3978 * config/i386/i386.c (ix86_expand_builtin): Use
3979 gen_sse3_monitor64 for TARGET_64BIT.
3981 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3983 PR rtl-optimization/26375
3984 PR rtl-optimization/26855
3985 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3987 (df_ru_bb_local_compute): Reversed statements and removed bogus
3988 comment explaining why they should be in wrong order.
3989 (df_ru_dump, df_rd_dump): Enhanced debug info.
3990 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3992 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3993 reaching uses and fixed space problem.
3995 2006-05-23 Jan Hubicka <jh@suse.cz>
3997 * cgraphunit.c (decide_is_function_needed): Also nested functions
3998 and functions declared inline can be optimized out at -O0.
4000 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4002 * doc/install.texi (Configuration): Remove reference to CrossGCC
4006 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4009 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4010 ix86_compare_emitted is non-NULL.
4012 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4015 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4018 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4020 PR rtl-optimization/25514
4021 * combine.c (replaced_rhs_insn): New variable.
4022 (combine_instructions): Set replaced_rhs_insn when trying to replace
4023 a SET_SRC with a REG_EQUAL note.
4024 (distribute_notes): Use replaced_rhs_insn when determining the live
4025 range of a REG_DEAD register.
4027 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4028 Anatoly Sokolov <aesok@post.ru>
4030 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4031 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4032 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4033 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4034 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4035 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4036 at90usb647, at90usb1286 and at90usb1287 devices.
4037 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4038 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4040 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4042 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4044 2006-05-22 Richard Guenther <rguenther@suse.de>
4047 2006-01-31 Richard Guenther <rguenther@suse.de>
4048 Paolo Bonzini <bonzini@gnu.org>
4050 * doc/install.texi (--disable-libgcc-math): Document.
4052 2006-05-22 Richard Guenther <rguenther@suse.de>
4055 2006-01-31 Richard Guenther <rguenther@suse.de>
4057 * doc/invoke.texi (-msselibm): Document.
4058 * target.h (expand_library_builtin): New target hook.
4059 * builtins.c (expand_builtin): Use expand_library_builtin.
4060 (default_expand_library_builtin): New function.
4061 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4062 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4063 (link_gcc_math_spec): Declare.
4064 (static_specs): Add link_gcc_math_spec.
4065 * expr.h (default_expand_library_builtin): Declare.
4066 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4067 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4068 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4069 * config/i386/i386.opt (msselibm): New target option.
4070 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4071 (ix86_init_sse_abi_builtins): New function.
4072 (ix86_expand_library_builtin): Likewise.
4073 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4074 (override_options): Handle error conditions wrt -msselibm.
4075 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4076 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4077 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4080 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4083 * c-common.c (self_promoting_args_p): Skip erroneous args.
4086 * c-decl.c (finish_struct): Skip erroneous fields.
4088 2006-05-22 Nick Clifton <nickc@redhat.com>
4090 * config/cris/cris.opt (march): Remove VarExists attribute.
4091 (max-stackframe=): Likewise.
4093 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4095 * doc/rtl.texi: Fix a typo.
4096 * see.c: Fix comment typos.
4098 * tree-ssa-structalias.h (alias_info): Remove num_references.
4100 2006-05-21 Mike Stump <mrs@apple.com>
4102 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4104 (darwin_pragma_options): Use BAD instead.
4105 (darwin_pragma_unused): Likewise.
4106 (darwin_pragma_ms_struct): Likewise.
4108 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4110 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4112 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4114 PR rtl-optimization/27671
4115 * simplify-rtx.c (simplify_relational_operation_1): Fix
4116 simplifications of (eq/ne (xor x y) y) and
4117 (eq/ne (xor x y) x).
4119 PR tree-optimization/26622.
4120 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4123 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4125 * tree-cfg.c: Prune whitespace.
4126 (debug_tree_cfg): Point to correct header containing the
4129 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4132 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4134 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4137 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4138 or sorry count is non zero.
4140 2006-05-20 Andreas Schwab <schwab@suse.de>
4142 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4144 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4145 Kenneth Zadeck <zadeck@naturalbridge.com>
4147 PR rtl-optimization/26855
4149 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4151 (df_scan_alloc): Added code to properly handle multiword hard
4152 registers and add all_blocks parameter.
4153 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4154 code to properly handle multiword hard registers.
4155 (df_rescan_blocks): Added code to remove deleted blocks from
4157 (df_ref_create_structure, df_ref_record): Added code to properly
4159 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4160 and set DF_REF_PARTIAL.
4161 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4162 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4163 (df_scan_add_problem): Added flags parameter.
4164 (df_ref_create_structure): Changed switching structure.
4165 (df_bb_refs_record): Fixed case where duplicate artificial refs
4166 were created. Changed location of flags.
4167 (df_record_entry_block_defs): Added code to make stack pointer
4168 live in entry block. Refined cases where frame pointer is needed.
4169 Changed location of flags.
4170 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4171 (df_set_state): Removed function.
4172 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4173 df_insn_create_insn_record, df_insn_refs_delete,
4174 df_ref_create_structure): Formatting changes.
4175 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4176 df_delete_basic_block): New function.
4177 (df_init): Changed location of flags.
4178 (df_add_problem): Added flags parameter and the way flags are
4180 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4181 debug_df_chain): Improved debugging output.
4182 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4183 (df_refs_chain_dump): Removed df parameter.
4184 (df_iterative_dataflow): Added consistency check.
4185 (df_prune_to_subcfg): Made public.
4186 (df_analyze_problem): Added blocks_to_init parameter and made
4188 (df_ref_record, df_bb_refs_record, df_mark_reg,
4189 df_record_exit_block_uses): Whitespace changes.
4190 (df_dump): Whitespace changes.
4191 * df.h: Some reordering to remove forward references.
4192 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4193 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4194 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4195 (dataflow.flags): New field.
4196 (df.flag): Deleted field.
4197 (df_alloc_function): Added additional bitmap parameter.
4198 (df_dependent_problem_function): New type.
4199 (df_problem.changeable_flags): New field.
4200 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4201 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4202 (df_mw_hardreg): New struct.
4203 (DF_INSN_UID_MWS): New macro.
4204 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4206 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4207 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4208 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4209 (df_set_state): Removed function.
4210 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4211 * df-problems.c (df_chain_dump): Removed df parameter.
4212 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4213 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4215 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4216 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4217 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4218 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4219 DF_REF_MUST_CLOBBER cases.
4220 (df_ru_bb_local_compute_process_def,
4221 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4222 df_lr_bb_local_compute, df_ur_bb_local_compute,
4223 df_chain_create_bb): Made subreg aware.
4224 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4225 df_lr_bb_local_compute, df_lr_bb_local_compute,
4226 df_chain_create_bb): Cleanup to use proper macros.
4227 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4228 code to fixup bitvectors.
4229 (df_ri_alloc): Cleared lifetime.
4230 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4231 df_create_unused_note): New function.
4232 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4233 REG_DEAD and REG_UNUSED notes as well as register information.
4234 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4235 df_chains_dump): Fixed crash if problem was never run.
4236 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4237 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4238 df_ri_add_problem): Processes flags in uniform manner.
4239 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4240 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4241 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4242 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4243 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4244 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4245 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4246 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4247 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4248 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4249 * see.c (see_initialize_data): Ditto.
4250 * final.c (rest_of_clean_state) Added regstack_completed.
4251 * rtl.h (regstack_completed): Ditto.
4252 * reg-stack.c (regstack_completed): Ditto.
4254 2006-05-19 Mike Stump <mrs@apple.com>
4256 * c-tree.h (default_conversion): Remove.
4257 * c-common.h (default_conversion): Add.
4259 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4261 * tree-vrp.c (valid_value_p): New function.
4262 (adjust_range_with_scev): Fail if the value of bound is not
4265 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4267 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4268 (mips_fallback_frame_state): Use syscall numbers to determine
4269 the appropriate li instruction for the current ABI. Only use
4270 __NR_sigreturn for o32.
4272 2006-05-19 Nicolas Setton <setton@adacore.com>
4274 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4275 * langhooks.c (lhd_dwarf_name): New function.
4276 * langhooks-def.h (lhd_dwarf_name): Declare.
4277 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4278 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4279 * ada/misc.c (gnat_dwarf_name): New function.
4280 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4282 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4284 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4286 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4287 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4288 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4289 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4290 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4291 determine the size of Wtype, etc.
4292 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4293 (swfloatfuncs): New variable.
4294 (dwfloatfuncs): Likewise.
4295 (lib2funcs): Remove floating-point conversion functions from
4296 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4297 the set of conversion routines needed. Allow entries to specify
4298 an object name, filename and word size. Update users accordingly.
4299 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4300 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4304 2006-02-08 Roger Sayle <roger@eyesopen.com>
4307 * config/fixtfdi.c: New libgcc source file.
4308 * config/fixunstfdi.c: New source file.
4309 * config/floatditf.c: New source file.
4310 * config/floatunditf.c: New souce file.
4311 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4312 files above instead of config/mips/_tilib.c.
4313 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4315 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4317 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4318 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4320 2006-05-18 Mike Stump <mrs@apple.com>
4322 Fix up vla, vm and [*] sematics.
4328 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4329 (c_vla_unspec_p): Add.
4330 (c_vla_type_p): Add.
4331 * c-decl.c (struct c_scope): Add had_vla_unspec.
4332 (build_array_declarator): Add support for [*].
4333 (grokdeclarator): Likewise.
4334 (grokparms): Likewise.
4335 (get_parm_info): Likewise.
4336 * c-objc-common.c (c_vla_unspec_p): Likewise.
4337 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4338 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4339 typeof when argument is a variably modified type not inside sizeof or alignof.
4340 (c_parser_direct_declarator_inner): Propagate errors.
4341 (c_parser_sizeof_expression): Add support for [*].
4342 (c_parser_parms_declarator): Initialize had_vla_unspec.
4343 (c_parser_parms_list_declarator): Likewise.
4344 * c-typeck.c (c_vla_type_p): Add.
4345 (composite_type): Add support for vla compositing.
4346 (comptypes_internal): Add support for vla compatibility.
4347 (c_expr_sizeof_expr): Evaluate vla arguments.
4348 * tree.c (variably_modified_type_p): Update comment for [*].
4350 2006-05-18 Michael Matz <matz@suse.de>
4353 * config.host: Make assignments to host_xmake_file cumulative.
4354 * config.host (*-darwin*): Test $host, not $target.
4356 2006-05-12 Stuart Hastings <stuart@apple.com>
4358 * config/i386/i386.opt (-mstackrealign): New flag.
4359 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4360 (ix86_handle_cconv_attribute): Emit error when
4361 force_align_arg_pointer attribute collides with too many regparms.
4362 (ix86_function_regparm): Limit regparms when used with
4363 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4364 Support stack-realigning prologue in non-main functions. Emit
4365 warning for nested functions under -mstackrealign, emit error for
4366 nested functions with force_align_arg_pointer attribute.
4367 * doc/extend.texi (force_align_arg_pointer): Document it.
4368 * doc/invoke.texi (-mstackrealign): Document it.
4370 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4372 PR rtl-optimization/27477
4373 * combine.c (try_combine): Don't split a parallel consisting
4374 of two sets into two individual sets if both sets reference
4377 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4379 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4380 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4382 * doc/options.texi (VarExists): Updated.
4384 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4386 * unwind-dw2.c: Add declarations for uw_update_context and
4388 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4389 detected, advance frame state and context once to skip over stub.
4391 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4395 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4396 Call rewrite_into_loop_closed_ssa only when something changed.
4397 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4398 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4399 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4400 Test for perfect_nest_p here. Fix formating.
4401 (replace_uses_equiv_to_x_with_y): Fix formating.
4402 (stmt_uses_op): Removed.
4403 (can_convert_to_perfect_nest): Removed loopivs parameter.
4404 Complete the test by checking the scalar dependences.
4405 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4408 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4411 From Dan Kegel <dank@kegel.com>:
4412 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4414 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4416 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4417 if the element type is variably modified without recursing.
4419 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4422 * tree-loop-linear.c (try_interchange_loops): Test for
4423 no data dependences.
4425 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4427 PR tree-optimization/27548
4428 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4429 range of ssa names that appear on abnormal edges.
4430 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4431 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4433 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4436 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4438 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4441 * tree.h (OMP_PARALLEL_COMBINED): Define.
4442 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4443 (new_omp_context): Add is_combined_parallel argument.
4444 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4445 new_omp_context caller.
4446 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4447 Adjust gimplify_scan_omp_clauses callers.
4448 (omp_is_private): Issue errors if iteration variable is firstprivate
4449 or reduction in the current context.
4450 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4451 on combined parallel workshare constructs.
4453 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4455 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4456 (gcc-options.o): New rule.
4458 * optc-gen.awk: Protect variables for gcc-options.o with
4459 #ifdef GCC_DRIVER/#endif.
4461 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4463 Fix PR tree-optimization/27373
4464 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4465 (forward_propagate_addr_expr): Update call.
4467 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4469 * doc/options.texi: Move the Negative option.
4471 2006-05-16 Richard Guenther <rguenther@suse.de>
4473 PR tree-optimization/22303
4474 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4476 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4477 ccp_fold did not simplify the statement.
4479 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4482 * Makefile.in (GCC_OBJS): New.
4483 (OBJS-common): Add opts-common.o.
4484 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4485 (cpp$(exeext)): Likewise.
4486 (gcc.o): Also depend on opts.h.
4487 (opts-common.o): New.
4489 * common.opt (gcoff): Add Negative(gdwarf-2).
4490 (gdwarf-2): Add Negative(gstabs).
4491 (gstabs): Add Negative(gstabs+).
4492 (gstabs+): Add Negative(gvms).
4493 (gvms): Add Negative(gxcoff).
4494 (gxcoff): Add Negative(gxcoff+).
4495 (gxcoff+): Add Negative(gcoff).
4496 * config/i386/i386.opt (m32): Add Negative(m64).
4497 (m64): Add Negative(m32).
4499 * doc/options.texi: Document the Negative option.
4501 * gcc.c: Include "opts.h".
4502 (main): Call prune_options after expandargv.
4504 * optc-gen.awk: Generate common declarations for all flag
4505 variables in options.c. Output the neg_index field.
4507 * opts.c (find_opt): Moved to ...
4508 * opts-common.c: Here. New file.
4510 * opts.h (cl_option): Add a neg_index field.
4512 (prune_options): Likewise.
4514 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4517 * omp-low.c (expand_omp_parallel): Don't assert
4518 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4519 instead search for it.
4522 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4525 2006-05-16 Andreas Schwab <schwab@suse.de>
4527 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4530 2006-05-15 Roger Sayle <roger@eyesopen.com>
4533 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4534 integer constants other than zero are only legitimate on TARGET_64BIT.
4535 <CONST_VECTOR> Only zero vectors are legitimate.
4536 (ix86_cannot_force_const_mem): Integral and vector constants can
4537 always be put in the constant pool.
4539 2006-05-16 DJ Delorie <dj@redhat.com>
4541 * crtstuff.c (__dso_handle): Set section from
4542 TARGET_LBIGCC_SDATA_SECTION if defined.
4543 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4544 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4546 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4549 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4552 2006-05-16 Ben Elliston <bje@au.ibm.com>
4554 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4556 2006-05-15 Per Bothner <per@bothner.com>
4558 * tree.c: (last_annotated_node): Use source_locus typedef.
4559 This permits bootstrapping with --enable-mapped-location.
4561 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4563 PR tree-optimization/26830
4564 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4565 (info_for_ssa_name, current_info_for_ssa_name_age,
4566 blocks_to_update): New variables.
4567 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4568 (clear_ssa_name_info, initialize_flags_in_bb,
4569 mark_block_for_update): New functions.
4570 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4571 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4572 prepare_def_site_for): Use mark_block_for_update.
4573 (mark_def_interesting): Assert that the processed block is marked in
4574 blocks_to_update. Do not take blocks argument.
4575 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4577 (rewrite_update_init_block, rewrite_update_stmt): Only process
4578 blocks with statements to rewrite.
4579 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4580 (update_ssa): Initialize and free blocks_to_update. Do not
4581 clear flags on statements. Do not use blocks bitmap.
4582 * tree.h (SSA_NAME_AUX): Removed.
4583 (struct tree_ssa_name): Removed aux field.
4584 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4586 2006-05-15 Richard Guenther <rguenther@suse.de>
4588 PR tree-optimization/27603
4589 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4590 Do computations in original type.
4592 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4594 * see.c: Code style changes such as redundant paranthesis,
4595 redundant intialization of local variables etc.
4596 (see_main): Declared now as static.
4597 * doc/invoke.texi: Update that -fsee is not enabled by
4600 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4602 * omp-low.c (check_omp_nesting_restrictions): New function.
4603 (scan_omp_1): Call it.
4606 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4607 construct, return *VAR.
4609 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4611 PR rtl-optimization/27406
4612 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4615 2006-05-14 Roger Sayle <roger@eyesopen.com>
4617 PR rtl-optimization/27538
4618 * combine.c (expand_compound_operation): Call gen_lowpart
4619 before calling simplify_shift_const.
4621 2006-05-14 Roger Sayle <roger@eyesopen.com>
4623 PR rtl-optimization/22563
4624 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4625 a fixed width bitfield, always force the intermediates into psuedos.
4627 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4630 * mkconfig.sh: Use operator = instead of == for test.
4632 2006-05-13 Nick Clifton <nickc@redhat.com>
4634 * dwarf2out.c (dbx_reg_number): Check return value from
4635 LEAF_REG_REMAP and only use it if it is valid.
4636 (multiple_reg_loc_descriptor): Likewise.
4638 2006-05-13 Richard Guenther <rguenther@suse.de>
4640 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4643 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4645 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4646 information attached to non-INSNs such as NOTEs.
4647 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4649 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4651 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4653 * config/s390/s390.md: Adjust comment describing On constraint.
4655 2006-05-11 Jan Hubicka <jh@suse.cz>
4657 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4658 to be output at -O0.
4660 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4663 * fold-const.c (size_binop): Move sanity check for arguments to
4664 the beginning of the function.
4667 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4670 2006-05-11 Richard Guenther <rguenther@suse.de>
4673 * fold-const.c (fold_unary): Handle intermediate conversion
4674 to a pointer type like intermediate conversion to an integer
4675 type in folding of (T1)(T2)var to var.
4676 Match the code to the comment in the final conversion for
4677 (T1)(T2)var to (T1)var regarding to type precision. Rather
4678 than disallow T1 being of pointer type, assert that both T1
4679 and var are of pointer type or not. Make sure not to fall
4680 over the frontends lazyness wrt array to pointer decay though.
4682 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4684 * arm.c (arm_struct_value_rtx): Delete.
4685 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4686 (arm_init_cumulative_args): Always initialize nregs to zero.
4688 2006-05-10 Richard Guenther <rguenther@suse.de>
4690 PR tree-optimization/27532
4691 * tree-object-size.c (plus_expr_object_size): Fix typo.
4693 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4696 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4697 ashrdi_const, ashrdi3): Use a scratch register.
4699 2006-05-10 Richard Guenther <rguenther@suse.de>
4701 PR tree-optimization/27302
4702 * fold-const.c (operand_equal_p): For two comparisons,
4703 try comparison of one comparison code swapped if that yields
4706 2006-05-10 Ben Elliston <bje@au.ibm.com>
4708 * tree-pretty-print.c (pretty_print_string): No need to handle
4709 '\0' as a special character.
4711 * tree.h: Include "hashtab.h".
4712 (iterative_hash_expr): Use hashval_t in its prototype.
4713 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4715 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4718 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4719 (hppa*64*-*-hpux11*): Ditto.
4720 (hppa[12]*-*-hpux11*): Ditto.
4722 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4725 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4727 2006-05-09 Michael Matz <matz@suse.de>
4729 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4730 host_extra_gcc_objs and host_xmake_file.
4731 (<*-*-linux*>): Don't overwrite host_xmake_file.
4732 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4733 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4734 (host_detect_local_cpu): Declare.
4735 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4736 * config/i386/i386.c (override_options): Handle -mtune=native
4738 * config/i386/x-i386: New file.
4739 * config/i386/driver-i386.c: New file.
4740 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4743 2006-05-09 Dirk Mueller <dmueller@suse.de>
4744 Richard Guenther <rguenther@suse.de>
4747 * fold-const.c (fold_read_from_constant_string): Relax check
4748 for matching types to matching modes.
4750 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4752 PR rtl-optimization/27335
4753 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4756 2006-05-08 Chao-ying Fu <fu@mips.com>
4757 Richard Sandiford <richard@codesourcery.com>
4759 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4760 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4761 * config/mips/mips.md (UNSPEC_SCC): New constant.
4762 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4763 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4764 (mips_emit_compare): Use it.
4765 (mips_expand_vcondv2sf): New function.
4767 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4769 Fix PR tree-optimization/27093
4770 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4771 renaming when they become not-used_alone.
4773 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4775 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4776 relocation and relocation stubs.
4778 2006-05-08 Eric Christopher <echristo@apple.com>
4780 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4783 2006-05-08 Jan Hubicka <jh@suse.cz>
4786 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4787 unused static functions are needed.
4789 2006-05-08 Roger Sayle <roger@eyesopen.com>
4792 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4793 of a reg_equiv_constant if the result is a legitimate constant.
4795 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4798 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4799 standard 80387 constants, raise the cost to prevent
4800 compress_float_constant() to generate load from memory.
4802 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4804 * config/arm/constraints.md (c): Fix a typo.
4806 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4809 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4812 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4814 (_mm_mwait): Likewise.
4816 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4818 (sse3_monitor): Make it 32bit only.
4819 (sse3_monitor64): New. 64bit monitor.
4821 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4824 * config/i386/i386.c (classify_argument): Skip fields with invalid
4827 2006-05-07 Richard Guenther <rguenther@suse.de>
4829 PR tree-optimization/27409
4830 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4831 Do not try to find zero-sized subvars.
4833 2006-05-07 Richard Guenther <rguenther@suse.de>
4835 PR tree-optimization/27136
4836 * tree-ssa-loop-niter.c (get_val_for): Correct function
4837 comment, assert requirements.
4838 (loop_niter_by_eval): Stop processing if the iterated
4839 value did not simplify.
4841 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4843 * opts.c (flag_see): remove its setting at -O3.
4845 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4847 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4848 * arm/constraints.md: New file.
4849 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4850 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4851 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4852 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4853 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4854 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4855 * arm.md: Include constraints.md.
4856 (thumb_movsi_insn): Use satisfies_constraint_J.
4857 (movhi, movqi): Use satisfies_constraint_I.
4859 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4861 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4862 for atmeg a645 device.
4864 2006-05-06 Richard Guenther <rguenther@suse.de>
4866 PR tree-optimization/27151
4867 * tree-vect-transform.c (vectorizable_condition): Punt on
4868 values that have a different type than the condition.
4870 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4873 * c-parser.c (c_parser_cast_expression): Only insert casts into
4874 hash table if pointer.
4875 * function.c (used_types_insert_helper): Rename from
4877 (used_types_insert): Call used_types_insert_helper.
4878 * function.h (used_types_insert): Accept only one argument.
4880 2006-05-05 David Edelsohn <edesohn@gnu.org>
4882 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4883 scratch with output modifier.
4885 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4888 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4889 with output modifier.
4891 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4894 * config/mips/mips.c (mips_symbolic_address_p): Return true
4895 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4896 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4898 2006-05-04 Richard Guenther <rguenther@suse.de>
4900 PR tree-optimization/14287
4901 PR tree-optimization/14844
4902 PR tree-optimization/19792
4903 PR tree-optimization/21608
4904 PR tree-optimization/27090
4905 * tree-ssa-pre.c (try_combine_conversion): New function.
4906 (compute_avail): After constructing the value-handle
4907 expression, use try_combine_conversion to combine NOP_EXPRs
4908 with previous value-handle expressions and use the result if it
4911 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4913 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4915 2006-05-04 Jan Hubicka <jh@suse.cz>
4918 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4920 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4922 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4923 that this only matches CONST_INTs. All users changed to VOIDmode
4926 * config/bfin/bfin.c: Include "optabs.h".
4927 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4929 (enum bfin_builtins): Add a number of fractional and vector builtins.
4930 (bfin_init_builtins): Likewise.
4931 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4932 (safe_vector_operand, bfin_expand_binop_builtin,
4933 bfin_expand_unop_builtin): New functions.
4934 (bfin_expand_builtin): Handle the new builtins.
4935 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4938 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4941 * Makefile.in (OBJS-common): Add see.o.
4942 (see.o): Add dependencies.
4943 * common.opt (fsee): New flag for the see optimization was added.
4944 * opts.c (flag_see): Initialized.
4945 * passes.c (init_optimization_passes, pass_see): New pass.
4946 * rtl.h (see_main): Declaration as extern.
4947 * timevar.def (TV_SEE): New.
4948 * tree-pass.h (pass_see): Declaration as extern.
4949 * invoke.texi (-fsee): Document.
4950 * recog.c (validate_simplify_insn): New function.
4951 * recog.h (validate_simplify_insn): Declaration as extern.
4952 * df-problems.c (df_chain_dump): Check for NULL.
4954 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4955 Daniel Berlin <dberlin@dberlin.org>
4957 * cfgrtl.c (insert_insn_bb_end_new): New function.
4958 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4960 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4962 * df.h (struct web_entry): Moved from web.c.
4963 (union_defs): Declaration as extern.
4964 (unionfind_root): Likewise.
4965 (unionfind_union): Likewise.
4966 * web.c (struct web_entry): Moved to df.h.
4967 (unionfind_root): Remove static declaration.
4968 (unionfind_union): Likewise.
4969 (union_defs): Likewise and generalize to use callback function.
4970 (web_main): Update arguments for union_defs function call.
4972 2006-05-04 Richard Guenther <rguenther@suse.de>
4974 PR tree-optimization/26447
4975 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4976 produce SSA_NAME copies before the store stmt to avoid
4977 breaking exception handling.
4979 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4982 * gimplify.c (omp_is_private): If var is shared in some outer context,
4983 return false instead of true. Stop searching on parallel context
4986 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4989 * coverage.c: Use get_gcov_unsigned_t() instead of
4990 unsigned_type_node all over.
4992 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4994 PR tree-optimization/27381
4995 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4996 maintain the same immediate_use links.
4997 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4998 node rather than segfaulting.
5000 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5003 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5004 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5005 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5007 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5009 Fix PR tree-optimization/26626
5010 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5012 * tree-ssa-operands.c (access_can_touch_variable): Allow
5013 typecasting through union pointers.
5015 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5018 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5019 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5020 to find if var will be a global variable even in the nested context.
5021 (omp_copy_decl): Only check for global variable at the end, it might
5022 be overridden in outer contexts.
5023 (scan_sharing_clauses): For global variables don't create a field.
5024 (lower_rec_input_clauses): Do nothing for global shared variables.
5025 Emit a barrier at the end of ILIST if there were any decls in both
5026 firstprivate and lastprivate clauses.
5027 (lower_send_clauses): Do nothing for global variables except for
5030 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5032 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5033 of the correct signedness is returned.
5035 2006-05-02 Jeff Law <law@redhat.com>
5037 PR tree-optimization/27364
5038 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5039 multiply expressions.
5041 2006-05-02 Tom Tromey <tromey@redhat.com>
5043 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5045 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5048 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5049 -mthumb -fPIC are used.
5051 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5052 Joshua Kinard <kumba@gentoo.org>
5055 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5056 with 64-bit pointers.
5058 2006-05-02 Paul Brook <paul@codesourcery.com>
5060 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5062 (create_fix_barrier): Check that a suitable barrier location is
5064 (arm_reorg): Include ftmp->address in allowable range of addresses.
5066 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5069 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5072 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5075 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5076 around RESULT_DECL for result passed by reference.
5077 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5078 * omp-low.c (use_pointer_for_field): Don't look at
5079 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5080 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5081 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5082 time or var for passing by reference for
5083 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5084 TREE_ADDRESSABLE variables when passing by reference.
5086 * omp-low.c (dump_omp_region): Fix output formatting.
5089 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5090 (expand_omp_parallel): Likewise.
5091 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5094 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5095 on statement list containing also constructors and destructors.
5096 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5099 * except.c (duplicate_eh_regions): Fix clearing of
5100 cfun->eh->region_array entries.
5102 2006-05-01 DJ Delorie <dj@redhat.com>
5104 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5106 (gcc_cv_objdump): Likewise.
5107 * configure: Regenerated.
5109 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5112 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5113 templates for case 3 and 4.
5115 2006-05-01 DJ Delorie <dj@redhat.com>
5117 * vec.c: Include bconfig.h when appropriate.
5118 * Makefile.in (build/vec.o): Adjust dependencies.
5119 * mkconfig.sh: Make sure config.h isn't used for build machine
5122 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5124 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5126 (mark_phi_for_rewrite): New function.
5127 (insert_phi_nodes_for, mark_use_interesting): Call
5128 mark_phi_for_rewrite.
5129 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5130 (update_ssa): Initialize and free phis_to_rewrite.
5132 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5134 PR rtl-optimization/27291
5135 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5136 folded to a constant.
5138 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5140 PR tree-optimization/27283
5141 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5142 not whole # of iteration descriptions.
5143 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5144 uses abnormal ssa name.
5145 (niter_for_single_dom_exit): Ditto.
5146 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5147 return just the number of iterations.
5149 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5151 PR tree-optimization/27144
5152 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5153 (record_estimate): Only record constant upper bound.
5154 (infer_loop_bounds_from_undefined): Call
5155 compute_estimated_nb_iterations just once.
5156 (proved_non_wrapping_p): Renamed to ...
5157 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5158 (convert_step_widening, scev_probably_wraps_p): Call
5159 n_of_executions_at_most instead of proved_non_wrapping_p.
5160 (substitute_in_loop_info): Do not replace values in bounds.
5161 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5164 2006-05-01 Richard Henderson <rth@redhat.com>
5167 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5168 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5171 2006-05-01 Roger Sayle <roger@eyesopen.com>
5173 * c-typeck.c (parser_build_binary_op): Don't call the function
5174 unsigned_conversion_warning to spot operand/result type overflow.
5175 (build_binary_op): Instead, call convert_and_check instead of
5176 convert to report the problem when the operands are promoted.
5177 * c-common.c (unsigned_conversion_warning): Make static.
5178 * c-common.h (unsigned_conversion_warning): Delete prototype.
5180 2006-05-01 Richard Guenther <rguenther@suse.de>
5182 PR tree-optimization/26726
5183 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5185 (find_interesting_uses_address): ... we work around here
5186 by folding INDIRECT_REFs in the substituted base.
5188 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5190 * omp-low.c (dump_omp_region): Add newlines.
5192 2006-04-30 Roger Sayle <roger@eyesopen.com>
5194 * common.opt (Woverflow): New command line option.
5195 * c-common.c (constant_expression_warning): Check warn_overflow.
5196 (overflow_waring): Pass OPT_Woverflow to warning.
5197 (unsigned_conversion_warning): Likewise.
5198 (convert_and_check): Likewise.
5199 * doc/invoke.texi: Document new command line option.
5201 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5203 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5204 TARGET_NO_FP_IN_TOC for section anchors.
5205 (optimization_options): Enable section anchors for all
5206 non-"Objective" languages.
5208 2006-04-28 Eric Christopher <echristo@apple.com>
5210 * config/darwin-c.c (darwin_ms_struct): Move this
5211 (darwin_set_default_type_attributes): and this...
5212 * config/darwin.c: ... here.
5213 * config/darwin.h (darwin_ms_struct): Declare.
5215 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5217 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5219 2006-04-28 Roger Sayle <roger@eyesopen.com>
5222 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5223 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5224 an unsigned HOST_WIDE_INT.
5225 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5227 (really_start_incremental_init): No need to call convert because
5228 bitsize_zero_node is already of type bitsizetype.
5229 (push_init_level): Extract the value of constructor_index as an
5230 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5231 (process_init_element): Likewise.
5233 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5235 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5236 value before passing to make_relative_prefix.
5238 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5241 * builtins.c (expand_builtin_memset): Expand val in original mode.
5243 2006-04-27 Eric Christopher <echristo@apple.com>
5245 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5246 with #ifndef/#endif.
5247 * config/darwin-c.c (darwin_ms_struct): New.
5248 (darwin_pragma_ms_struct): Ditto.
5249 (darwin_set_default_type_attributes): Ditto.
5250 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5251 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5252 Register ms_struct pragma.
5253 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5254 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5255 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5256 darwin_set_default_type_attributes if TARGET_MACHO.
5258 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5260 PR tree-optimization/26854
5261 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5262 * doc/tree-ssa.texi: Update immuse iterator documentation.
5263 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5264 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5265 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5266 first_safe_imm_use, next_safe_imm_use): Remove.
5267 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5268 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5269 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5270 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5271 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5272 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5273 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5274 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5275 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5276 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5277 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5278 (perfect_nestify): Use new iterator.
5279 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5281 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5282 (next_imm_name): New field in struct immediate_use_iterator_d.
5283 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5284 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5285 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5286 * tree-cfg.c (replace_uses_by): Use new iterator.
5287 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5288 * tree-ssa-operands.c (correct_use_link): Remove.
5289 (finalize_ssa_use_ops): No longer call correct_use_link.
5291 2006-04-27 Stuart Hastings <stuart@apple.com>
5293 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5294 * config/t-darwin (crt3.o): Use it.
5295 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5296 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5297 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5298 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5299 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5302 2006-04-27 Roger Sayle <roger@eyesopen.com>
5304 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5305 size, force the intermediate into a new pseudo rather instead of
5306 performing both a bitwise AND and a bitwise IOR in memory.
5308 2006-04-27 Richard Guenther <rguenther@suse.de>
5310 PR rtl-optimization/26685
5311 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5312 this one "max-flow-memory-locations".
5314 2006-04-27 Richard Guenther <rguenther@suse.de>
5316 PR tree-optimization/25148
5317 * tree-vrp.c (compare_values): Remove code dealing with
5318 comparisons against type min/max value. Honour overflow
5319 and negative constants in code dealing with comparisons
5320 of plus and minus expressions.
5321 (value_inside_range): Use fold_binary with LE_EXPR and
5322 GE_EXPR rather than compare_values.
5324 2006-04-27 Dirk Mueller <dmueller@suse.de>
5326 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5329 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5331 * basic-block.h (safe_insert_insn_on_edge): Removed.
5332 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5334 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5335 Paolo Bonzini <bonzini@gnu.org>
5338 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5339 (simplify_and_const_int): Same.
5341 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5343 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5345 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5348 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5349 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5350 cgraph_global_info_ready.
5353 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5356 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5357 either decl or init is error_mark_node.
5360 * tree-flow.h (struct omp_region): Add sched_kind.
5361 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5362 instead of extracting omp for data.
5363 (expand_omp_for): Save extracted sched_kind.
5365 2006-04-25 Roger Sayle <roger@eyesopen.com>
5367 * expmed.c (store_bit_field): Also check whether the bitsize is
5368 valid for the machine's "insv" instruction before moving the
5369 target into a pseudo for use with the insv.
5370 * config/i386/predicates.md (const8_operand): New predicate.
5371 * config/i386/i386.md (extv, extzv, insv): Use the new
5372 const8_operand predicate where appropriate.
5374 2006-04-25 DJ Delorie <dj@redhat.com>
5376 * doc/install.texi (Specific): Clarify that this is not a list of
5377 supported hosts or targets.
5379 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5381 PR rtl-optimization/26725
5382 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5383 block's BB_DIRTY flag.
5385 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5387 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5390 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5391 to print an integer.
5393 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5395 * varasm.c (align_variable): New function.
5396 (get_block_for_decl): Apply align_variable to DECL before
5397 calculating section information.
5398 (assemble_variable): Split out alignment computation.
5400 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5402 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5405 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5407 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5408 MODE_PARTIAL_INT mode.
5409 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5410 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5412 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5413 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5415 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5417 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5419 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5420 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5421 MACFLAG_IH): Likewise.
5422 (movstricthi_1): Renamed from "*movstricthi".
5423 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5424 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5425 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5426 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5427 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5428 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5429 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5430 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5431 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5432 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5433 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5434 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5435 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5436 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5437 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5439 * doc/rtl.texi (ss_ashift): Improve wording.
5441 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5443 * dwarf2out.c (verify_marks_clear): New.
5444 (prune_unused_types): Call verify_marks_clear initially, not
5447 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5449 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5450 * doc/rtl.texi: Document them.
5451 * simplify-rtx.c (simplify_unary_operation,
5452 simplify_binary_operation_1): Don't abort when we see them.
5454 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5457 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5458 * configure.ac: Completely disregard languages that are not
5460 * configure: Regenerated.
5462 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5463 Richard Guenther <rguenther@suse.de>
5465 PR tree-optimization/27236
5466 * tree-inline.c (copy_body_r): Make sure to copy
5467 TREE_THIS_VOLATILE flag.
5469 2006-04-24 Richard Guenther <rguenther@suse.de>
5472 * tree-complex.c (update_parameter_components): Don't handle
5473 unused parameters which have no default def.
5475 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5476 Richard Guenther <rguenther@suse.de>
5478 PR tree-optimization/27218
5479 * tree-inline.c (expand_call_inline): Strip useless type
5480 conversions for the return slot address.
5482 2006-04-24 Richard Guenther <rguenther@suse.de>
5484 * cfgloop.h (struct loops): Remove unused field array. Reorder
5486 (LOOP_PREFETCH): Remove.
5488 2006-04-24 Richard Guenther <rguenther@suse.de>
5490 PR tree-optimization/22525
5491 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5492 variable, adjust types of generated expressions.
5494 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5496 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5497 (tree-vect-patterns.o): Likewise.
5499 (cselib.o): Likewise.
5500 (loop-doloop.o): Likewise.
5501 (regclass.o): Likewise.
5502 (reload1.o): Likewise.
5503 (explow.o): Replace target.h with $(TARGET_H).
5504 (ipa-prop.o): Likewise.
5505 (ipa-cp.o): Likewise.
5506 (ipa-inline.o): Likewise.
5507 (reorg.o): Likewise.
5508 (reg-stack.o): Likewise.
5510 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5512 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5514 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5516 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5518 * configure.ac: Completely disregard languages that are not
5520 * configure: Regenerated.
5523 * c-common.h (c_build_bitfield_integer_type): Declare.
5524 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5525 * c-common.c (c_build_bitfield_integer_type): ... here.
5527 2006-04-23 Roger Sayle <roger@eyesopen.com>
5530 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5531 a SImode SUBREG of a floating point register after no_new_pseudos.
5533 2006-04-23 Roger Sayle <roger@eyesopen.com>
5535 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5536 identify potentially eliminable registers to additionally catch
5537 VIRTUAL_INCOMING_ARGS_REGNUM.
5538 (addsi3): Update the conditions on when to use addsi_small_int.
5540 2006-04-23 Roger Sayle <roger@eyesopen.com>
5543 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5544 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5545 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5547 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5549 * fold-const.c (range_predecessor): Use operand_equal_p
5550 as the predicate for equality.
5551 (range_successor): Likewise.
5553 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5556 * config/soft-fp/op-common.h: Fix a typo.
5558 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5561 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5562 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5564 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5566 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5568 * doc/tm.texi: Fix a typo.
5570 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5572 * dwarf2out.c (struct die_struct): Document that die_sib makes
5573 a circular linked list.
5574 (FOR_EACH_CHILD): New.
5575 (reverse_die_lists): Delete.
5576 (reverse_all_dies): Delete.
5577 (add_dwarf_attr): Correct documentation.
5578 (remove_child_with_prev): New.
5579 (remove_child_TAG): Update for change to die_struct, use
5580 remove_child_with_prev.
5581 (add_child_die): Update for change to die_struct.
5582 (splice_child_die): Use remove_child_with_prev and add_child_die.
5583 (print_die): Use FOR_EACH_CHILD.
5584 (die_checksum): Likewise.
5585 (assign_symbol_names): Likewise.
5586 (output_location_lists): Likewise.
5587 (build_abbrev_table): Likewise.
5588 (calc_die_sizes): Likewise.
5589 (mark_dies): Likewise.
5590 (unmark_dies): Likewise.
5591 (unmark_all_dies): Likewise.
5592 (output_die): Likewise.
5593 (prune_unused_types_mark): Likewise.
5594 (prune_unused_types_walk): Likewise.
5595 (same_die_p): Update for change to die_struct.
5596 (break_out_includes): Likewise.
5597 (prune_unused_types_prune): Likewise.
5598 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5599 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5601 (dwarf2out_finish): Don't call reverse_all_dies.
5603 2006-04-21 Eric Christopher <echristo@apple.com>
5605 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5606 in comments and function names.
5608 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5611 * c-typeck.c (digest_init): Robustify.
5613 * c-typeck.c (pop_init_level): Simplify.
5615 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5617 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5619 2006-04-21 Paul Brook <paul@codesourcery.com>
5621 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5622 hardware floating point.
5624 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5626 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5629 2006-04-21 Nick Clifton <nickc@redhat.com>
5631 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5634 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5637 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5638 C++ lang type in traceback table for Objective-C++.
5640 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5642 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5644 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5646 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5649 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5650 were errors. Remove check for erroneous objects.
5652 2006-04-20 Jeff Law <law@redhat.com>
5654 PR tree-optimization/26854
5655 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5656 checking for zero or one use.
5657 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5658 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5659 * tree-ssa-reassoc.c (negate_value): Similarly.
5660 (reassociate_bb): Similarly.
5662 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5664 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5665 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5666 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5668 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5670 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5671 fp regs if the last fp arg doesn't fit in regs.
5673 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5676 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5677 that the last insn has the REG_INC note.
5679 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5680 Nathan Sidwell <nathan@codesourcery.com>
5683 * stor-layout.c (update_alignment_for_field): Do not align
5685 (place_union_field): Place union field at the start of the union.
5686 (place_field): Move ERROR_MARK check later, and use the current
5687 allocation position to maintain monotonicity.
5689 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5691 * dominance.c: Include timevar.h.
5692 (calculate_dominance_info): Use TV_DOMINANCE.
5693 * timevar.def (TV_DOMINANCE): New timevar.
5694 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5696 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5698 PR rtl-optimization/14261
5699 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5700 move would be an INSV insn.
5701 (noce_process_if_block): Don't optimize if the destination is a
5702 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5704 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5706 * config/s390/s390.md: Add comments with the instructions emitted
5707 by an insn pattern if macros are used.
5709 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5711 PR rtl-optimization/26026
5712 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5713 is a known power of two shifted left a variable amount.
5715 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5717 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5718 to hash table twice when the debug_str section has SECTION_MERGE.
5720 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5722 * config/soft-fp: New directory. From glibc.
5723 * config/soft-fp/t-softfp: New.
5724 * config/soft-fp/README: New.
5725 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5726 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5727 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5728 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5729 * config.gcc: Use rs6000/t-fprules-fpbit or
5730 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5732 * config/rs6000/sfp-machine.h: New. Based on glibc.
5733 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5735 * config/rs6000/t-fprules: Remove fp-bit rules.
5736 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5737 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5738 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5739 (softfp_wrap_start, softfp_wrap_end): New.
5741 2006-04-18 DJ Delorie <dj@redhat.com>
5743 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5745 2006-04-18 Devang Patel <dpatel@apple.com>
5747 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5749 2006-04-18 Nick Clifton <nickc@redhat.com>
5751 * config/sh/t-symbian: Add rule to build sh-c.o
5752 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5753 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5754 (sh_symbian_encode_section_info): Likewise.
5756 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5758 * builtins.c (expand_builtin_strcmp): Cover label definition of
5759 do_libcall with HAVE_cmpstrnsi.
5761 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5763 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5765 * function.h (temp_slot_p): New.
5766 (function): Change the type of x_used_temp_slots to
5767 VEC(temp_slot_p,gc) *.
5769 2006-04-18 Nick Clifton <nickc@redhat.com>
5771 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5772 flag_strength_reduce.
5774 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5776 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5780 Partial revert of revision 112637
5781 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5782 Dale Johannesen <dalej@apple.com>
5785 * regclass.c (struct reg_pref): Update documentation.
5786 (regclass): Set prefclass to NO_REGS if memory is the best option.
5787 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5789 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5791 PR tree-optimization/26821
5792 * tree-ssa-math-opts.c (get_constant_one): New.
5793 (insert_reciprocals): Use it.
5795 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5797 * dwarf2out.c (free_AT): Delete.
5798 (remove_AT): Update string ref counts.
5799 (remove_child_TAG): Don't call free_die.
5801 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5802 or DW_TAG_GNU_EINCL.
5803 (prune_unused_types_walk_attribs): Reset string refcounts.
5804 (prune_unused_types_update_strings): New.
5805 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5806 call free_die. Do call prune_unused_types_update_strings.
5807 (prune_unused_types): Empty debug_str_hash.
5809 2006-04-17 Roger Sayle <roger@eyesopen.com>
5811 * expr.c (expand_assignment): Optimize away no-op moves where the
5812 source and destination are equal and have no side-effects.
5814 2006-04-17 Richard Guenther <rguenther@suse.de>
5817 * reload.c (push_reload): Guard calls to get_secondary_mem
5820 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5822 * alias.c (reg_base_value, old_reg_base_value): Change the
5823 type to VEC(rtx,gc) *.
5824 (REG_BASE_VALUE, find_base_value, record_set,
5825 init_alias_analysis): Use VEC instead of VARRAY.
5827 * alias.c (alias_sets): Change the type to
5828 VEC(alias_set_entry,gc) *.
5829 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5830 VEC instead of VARRAY.
5831 (last_alias_set): Remove.
5833 * cgraph.h (cgraph_edge_p): New.
5834 Update the prototype of cgraph_function_versioning.
5835 * cgraphunit.c (cgraph_copy_node_for_versioning,
5836 cgraph_function_versioning): Use VEC instead of VARRAY.
5837 * ipa-cp.c (ipcp_insert_stage): Likewise.
5839 2006-04-16 Roger Sayle <roger@eyesopen.com>
5842 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5843 "A op B" or "A op C", we may need to convert A to the type of B and C.
5845 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5847 * target.h (struct gcc_target): Add mode_rep_extended.
5848 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5849 (init_num_sign_bit_copies_in_rep): Initialize it using
5851 (truncate_to_mode): Use it.
5852 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5853 * targhooks.h (default_mode_rep_extended): Declare it.
5854 * targhooks.c (default_mode_rep_extended): Define it.
5855 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5856 default_mode_rep_extended.
5857 (TARGET_INITIALIZER): Include it.
5858 * doc/tm.texi (Misc): Document it.
5859 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5860 (mips_truncated_to_mode): New function.
5862 2006-04-16 Roger Sayle <roger@eyesopen.com>
5865 * expr.c (compress_float_constant): Copy the narrow constant into
5866 a new pseudo before extending it to its final width.
5868 2006-04-16 Roger Sayle <roger@eyesopen.com>
5869 Andrew Pinski <pinskia@gcc.gnu.org>
5870 Dale Johannesen <dalej@apple.com>
5873 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5874 special case code to implement V8HImode and V16QImode with SSE2.
5876 2006-04-15 Roger Sayle <roger@eyesopen.com>
5878 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5879 trees are constructed with a suitable tree type.
5881 2006-04-15 Roger Sayle <roger@eyesopen.com>
5883 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5884 (integer_onep): Likewise.
5885 (integer_all_onesp): Likewise.
5886 (integer_pow2p): Likewise.
5887 (integer_nonzerop): Likewise.
5888 (real_zerop): Likewise.
5889 (real_onep): Likewise.
5890 (real_twop): Likewise.
5891 (real_minus_onep): Likewise.
5892 (int_size_in_bytes): Likewise.
5893 (host_integerp): Likewise.
5895 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5897 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5898 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5899 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5901 * tree-ssa-structalias.h (alias_info): Remove num_references.
5903 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5905 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5906 (output_bvb patterns): Likewise.
5907 * pa.c (output_bb): Use 'bb' insn for long branch case.
5908 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5909 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5910 1. Correct length operand for alternatives 1 and 2.
5911 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5912 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5914 2006-04-14 Roger Sayle <roger@eyesopen.com>
5916 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5917 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5918 were accidentally reverted by r112959.
5920 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5923 * except.h (eh_region_outermost): New prototype.
5924 * except.c (eh_region_outermost): New function.
5925 * tree-cfg.c (find_outermost_region_in_block): Use it.
5927 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5929 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5931 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5932 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5933 (init_reload, reload): Use VEC instead of VARRAY.
5934 * reload.h: Update the prototype for
5935 reg_equiv_memory_loc_varray.
5937 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5938 Eric Botcazou <ebotcazou@libertysurf.fr>
5940 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5943 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5946 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5947 to expand fallback builtin function call.
5949 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5952 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5953 and emit libcall here in case the builtin fails.
5954 (expand_builtin_strcmp): Always emit the libcall here on failure.
5956 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5958 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5959 * flow.c (reg_n_info): Change the type to
5960 VEC(reg_info_p,heap) *.
5961 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5963 * regs.h (reg_info_p): New.
5964 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5965 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5966 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5969 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5971 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5973 * params.h (MAX_SCHED_READY_INSNS): New macro.
5974 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5975 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5976 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5977 the ready list for 1 cycle during the first scheduling pass.
5978 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5980 2006-04-13 Richard Henderson <rth@redhat.com>
5983 * gimple-low.c (lower_omp_directive): Remove dead code.
5984 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5985 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5986 * omp-low.c (struct omp_region): Move to tree-flow.h.
5987 (root_omp_region): Export.
5988 (omp_regions, lookup_omp_region): Remove.
5989 (determine_parallel_type): Update for struct omp_region changes.
5990 (dump_omp_region): Dump regions with block numbers.
5991 (new_omp_region): Take type and block instead of stmt; malloc
5993 (free_omp_region_1, free_omp_regions): New.
5994 (expand_parallel_call): Take entry_stmt as argument; update for
5995 changes to omp_region.
5996 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5997 (remove_exit_barriers): New.
5998 (expand_omp_parallel): Update for struct omp_region changes.
5999 (expand_omp_synch): Likewise.
6000 (expand_omp): Likewise.
6001 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6002 (expand_omp_for_static_chunk): Likewise.
6003 (expand_omp_for): Likewise.
6004 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6005 (expand_omp_sections): Similarly, with GOMP_sections_end.
6006 (expand_omp_single): New.
6007 (build_omp_regions_1): Update for OMP_CONTINUE.
6008 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6009 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6010 OMP_SECTIONS_SECTIONS.
6011 (lower_omp_single_simple): Don't emit barrier here.
6012 (lower_omp_single_copy): Likewise.
6013 (lower_omp_single): Fix bindings, and lower to straightline now.
6014 (lower_omp_master, lower_omp_ordered): Likewise.
6015 (lower_omp_critical): Likewise.
6016 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6017 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6018 omp edges, free it afterward.
6019 (make_omp_sections_edges): Remove.
6020 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6021 (move_stmt_r): Handle OMP_CONTINUE.
6022 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6023 statement pointers to basic blocks. Add type member.
6024 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6025 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6026 * tree-inline.c (estimate_num_insns_1): Likewise.
6027 * tree-pretty-print.c (dump_generic_node): Likewise.
6028 * tree-ssa-operands.c (get_expr_operands): Likewise.
6029 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6030 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6031 (OMP_CONTINUE): New.
6032 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6033 (OMP_SECTIONS_SECTIONS): Remove.
6034 (OMP_SECTION_LAST): New.
6035 (OMP_RETURN_NOWAIT): New.
6037 2006-04-13 Roger Sayle <roger@eyesopen.com>
6039 * fold-const.c (native_encode_vector, native_interpret_real):
6040 Correct obvious mistakes in the previous check-in.
6042 2006-04-13 Roger Sayle <roger@eyesopen.com>
6044 * fold-const.c (native_encode_expr): New function to encode
6045 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6046 or VECTOR_CST into a specified buffer.
6047 (native_encode_int): New function.
6048 (native_encode_real): New function.
6049 (native_encode_complex): New function.
6050 (native_encode_vector): New function.
6051 (native_interpret_expr): Inverse of native_encode_expr to convert
6052 a target representation into an INTEGER_CST, REAL_CST etc...
6053 (native_interpret_int): New function.
6054 (native_interpret_real): New function.
6055 (native_interpret_complex): New function.
6056 (native_interpret_vector): New function.
6057 (fold_view_convert_expr): New function to constant fold/evaluate
6058 a VIEW_CONVERT_EXPR of a suitable constant expression.
6059 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6060 Change call of build1 to fold_build1 when constructing a
6063 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6064 Ulrich Weigand <uweigand@de.ibm.com>
6067 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6070 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6073 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6074 optimize to lo_sum for DFmode if !TARGET_FPRS.
6076 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6078 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6079 delete_alias_info, compute_flow_sensitive_aliasing,
6080 group_aliases): Use VEC instead of VARRAY.
6081 * tree-ssa-structalias.c (update_alias_info): Likewise.
6082 * tree-ssa-structalias.h (alias_info): Change the type of
6083 processed_ptrs to VEC(tree,heap) *.
6085 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6088 * config/sh/lib1funcs.h: New file, broken out of:
6089 * config/sh/lib1funcs.asm.
6090 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6092 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6093 * config/sh/lib1funcs-Os-4-200.asm: New file.
6094 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6095 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6096 (EXTRA_MULTILIB_PARTS): Include it.
6097 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6098 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6099 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6100 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6103 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6105 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6106 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6107 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6109 * tree-ssa-live.h: Include vecprim.h.
6110 (tree_partition_associator_d): Change the type of
6111 first_partition to VEC(int,heap) *.
6112 (tpa_first_partition): Use VEC instead of VARRAY.
6114 * Makefile.in (GTFILES): Move functions.h after tree.h.
6115 * function.c (reset_block_changes, record_block_change,
6116 check_block_change, free_block_changes): Use VEC instead of
6118 * function.h (function): Change the type of
6119 ib_boundaries_block to VEC(tree,gc) *.
6120 * tree-inline.c (copy_cfg_body): Initialize
6121 ib_boundaries_block to NULL instead of (varray_type) 0.
6123 2006-04-12 Roger Sayle <roger@eyesopen.com>
6125 * expr.c (emit_group_store): Correct operand order in call to
6126 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6127 a SUBREG_BYTE of zero.
6129 2006-04-12 Richard Guenther <rguenther@suse.de>
6131 * profile.c (compute_branch_probabilities): Remove code
6132 encapsulated in !ir_type (), which are remanents of the
6133 removed RTL profiling code.
6134 * rtl-profile.c: Remove.
6136 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6138 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6139 magic NULL_RTX comment.
6140 (function_arg): Store entire fp arg to mem if any part should go
6142 (rs6000_arg_partial_bytes): Adjust for above change.
6144 2006-04-11 Roger Sayle <roger@eyesopen.com>
6146 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6147 if it hasn't been initialized by dwarf2out_init.
6149 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6151 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6152 symbolic constants in branch patterns.
6154 2006-04-11 Roger Sayle <roger@eyesopen.com>
6156 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6158 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6160 PR rtl-optimization/27073
6161 * gcse.c (try_replace_reg): Revert last change. Continue to search
6162 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6165 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6167 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6168 aggregate types other than record and union types.
6169 (function_arg): Likewise.
6170 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6172 (function_value): In 64-bit mode, return objects that require it
6175 2006-04-11 Roger Sayle <roger@eyesopen.com>
6177 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6179 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6181 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6183 2006-04-03 Jeff Law <law@redhat.com>
6186 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6187 alias information too.
6189 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6191 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6193 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6196 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6197 (premark_used_types_helper): New.
6198 (premark_used_types): New.
6199 (gen_subprogram_die): Call premark_used_types.
6200 (prune_unused_types_walk): Do not prune perennial dies.
6201 * function.c (used_types_insert): New.
6202 * function.h (struct function): Add used_types_hash field.
6203 (used_types_insert): Add prototype.
6204 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6205 * c-parser.c (c_parser_cast_expression): Save casted types in used
6208 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6211 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6212 rs6000_explicit_options.float_gprs.
6214 2006-04-10 Roger Sayle <roger@eyesopen.com>
6216 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6217 from ix86_expand_vector_init_low_nonzero. Take an additional
6218 one_var argument indicating which element is non-zero. Support
6219 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6220 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6221 with one_var instead of ix86_expand_vector_init_low_nonzero.
6223 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6225 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6226 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6227 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6228 build/genextract.o): Depend on vecprim.h.
6229 * cfglayout.c, df-problems.c, function.c, genextract.c,
6230 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6231 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6235 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6237 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6238 Declare VECs of this type.
6239 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6240 (remove_children): Delete.
6241 (add_dwarf_attr): Use VEC routines.
6242 (add_AT_flag): Update for changes to add_dwarf_attr.
6243 (add_AT_int): Likewise.
6244 (add_AT_unsigned): Likewise.
6245 (add_AT_long_long): Likewise.
6246 (add_AT_vec): Likewise.
6247 (add_AT_string): Likewise.
6248 (add_AT_die_ref): Likewise.
6249 (add_AT_fde_ref): Likewise.
6250 (add_AT_loc): Likewise.
6251 (add_AT_loc_list): Likewise.
6252 (add_AT_addr): Likewise.
6253 (add_AT_lbl_id): Likewise.
6254 (add_AT_lineptr): Likewise.
6255 (add_AT_macptr): Likewise.
6256 (add_AT_offset): Likewise.
6257 (add_AT_range_list): Likewise.
6258 (get_AT): Use VEC_iterate.
6259 (remove_AT): Use VEC_ordered_remove.
6260 (free_die): Fold remove_children into here; have it use VEC_iterate.
6261 (print_die): Use VEC_iterate on attrs.
6262 (reverse_die_lists): Don't reverse attr lists.
6263 (die_checksum): Use VEC_iterate on attrs.
6264 (same_die_p): Likewise.
6265 (output_location_lists): Likewise.
6266 (build_abbrev_table): Likewise.
6267 (size_of_die): Likewise.
6268 (unmark_all_dies): Likewise.
6269 (output_abbrev_section): Likewise.
6270 (output_die): Likewise.
6271 (prune_unused_types_walk_attribs): Likewise.
6273 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6275 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6277 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6280 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6282 2006-04-09 Roger Sayle <roger@eyesopen.com>
6284 * expr.c (store_constructor): Don't bother clearing target if
6285 we're about to assign a vector to it using vec_init_optab.
6287 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6289 * tree-ssa-alias.c (lhs_may_store_to): New function.
6290 (recalculate_used_alone): Handle LHS of calls.
6292 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6296 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6297 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6298 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6299 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6300 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6301 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6302 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6303 stubs. Add ".align 8" directives before all ".dword" directives.
6304 (GTHREAD_USE_WEAK): Revise comment.
6305 (TARGET_ATTRIBUTE_WEAK): Define.
6306 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6307 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6308 * stublib.c: New file.
6313 * pa.md (cbranch patterns): Revise arguments used in calls to
6314 output_cbranch, output_bb and output_bvd. Add long branch length
6316 (fbranch patterns): Handle long branches.
6317 (jump): Revise length check. Revise arguments for output_lbranch call.
6318 Add long branch length attributes.
6319 (decrement_and_branch_until_zero): Add long branch length attributes.
6320 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6321 Likewise. Revise arguments for output_parallel_addb and
6322 output_parallel_movb calls.
6323 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6324 output_parallel_movb and output_parallel_addb): Update prototypes.
6325 * pa.c (output_cbranch): Revise arguments. Correct handling of
6326 nullification in long branches.
6327 (output_lbranch): Add new argument to control extraction of delay
6329 (output_bb): Handle long branches.
6330 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6331 output_parallel_addb): Likewise.
6333 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6335 PR rtl-optimization/27073
6336 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6339 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6341 * tree.h (tree_memory_tag): Add old_used_alone.
6342 (SMT_OLD_USED_ALONE): New macro.
6343 * tree-ssa-alias.c (recalculate_used_alone): Stop
6344 marking things for renaming unnecessarily.
6346 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6348 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6349 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6350 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6351 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6352 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6353 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6354 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6355 spelling convensions.
6356 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6357 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6358 typos. Follow spelling conventions.
6360 2006-04-07 DJ Delorie <dj@redhat.com>
6362 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6363 passed on the stack.
6364 (m32c_init_cumulative_args): When a function returns a structure,
6365 always pass the pointer to that return area on the stack.
6366 (m32c_function_arg_advance): Don't increment the parameter number
6367 if we're processing the returned structure pointer.
6368 (pushm_info): Reverse order of registers.
6370 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6372 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6373 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6374 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6375 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6377 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6378 chrec_fold_multiply): Same.
6379 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6380 force_expr_to_var_cost): Same.
6381 * tree-mudflap.c (mf_xform_derefs_1): Same.
6382 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6384 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6386 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6387 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6390 2006-04-07 Jan Hubicka <jh@suse.cz>
6392 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6394 2006-04-07 Richard Guenther <rguenther@suse.de>
6396 PR tree-optimization/26135
6397 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6398 loads for store copy-prop.
6399 (copy_prop_visit_stmt): Likewise.
6401 2006-04-05 Robert Millan <robertmh@gnu.org>
6403 * config/i386/linux.h: Add a comment to mark macros that are
6404 being overriden in config/k*bsd-gnu.h.
6405 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6407 * config/knetbsd-gnu.h: Ditto.
6409 2006-04-06 Jan Hubicka <jh@suse.cz>
6413 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6416 2006-04-06 Mike Stump <mrs@apple.com>
6418 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6419 for HAVE_nonlocal_goto to be consistent.
6420 (expand_builtin_nonlocal_goto): Likewise.
6421 (expand_builtin_strcmp): Use #ifdef instead of #if
6422 for HAVE_cmpstrnsi to be consistent.
6424 2006-04-05 DJ Delorie <dj@redhat.com>
6426 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6429 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6431 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6432 got-relative addressing for anything but SImode.
6434 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6435 even if the calling function doesn't modify them.
6437 2006-04-05 Richard Guenther <rguenther@suse.de>
6439 PR tree-optimization/26919
6440 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6441 to cgraph_estimate_size_after_inlining.
6443 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6445 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6447 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6449 PR tree-optimization/26996
6450 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6451 VECTOR_TYPE variables.
6453 2006-04-05 Richard Guenther <rguenther@suse.de>
6455 PR tree-optimization/26763
6456 * fold-const.c (fold_comparison): Move folding of
6457 PTR + CST CMP PTR + CST ...
6458 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6460 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6462 * doc/install.texi (Prerequisites): Refine some wording on
6463 bootstrapping and ksh.
6464 Move the version numbers of DejaGnu here from the testing section
6465 and fix casing of names.
6466 Fix markup and clarify wording for autogen requirements.
6467 Refer to GCJ instead of just java.
6468 Refer to SVN instead of CVS.
6469 Describe diffutils as useful instead of necessary.
6470 (Downloading the source): Refer to SVN instead of CVS.
6471 Adjust a link to our web site accordingly.
6472 (Configuration): Fix casing of Bison.
6473 (Building): Refer to SVN instead of CVS.
6474 Fix a sentence on the use of Bison and remove duplicate (and
6475 incorrect) version number of Bison requirement.
6476 Remove one redundant list of packages needed for building.
6477 (Specific): Avoid reference to CVS.
6479 2006-04-04 Eric Christopher <echristo@apple.com>
6481 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6482 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6483 (rs6000_handle_struct_attribute): New.
6484 (rs6000_ms_bitfield_layout_p): Ditto.
6486 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6488 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6489 NULL for dso parameter to atexit_common.
6491 2006-04-04 Eric Christopher <echristo@apple.com>
6493 * config/i386/i386.c (machopic_output_stub): Output \t
6494 between instructions and operands.
6496 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6498 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6499 satisfies_constraint_[IL] to explicit tests on value.
6501 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6503 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6504 set_nb_iterations_in_loop): Use build_int_cst instead of
6506 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6507 build_int_cst instead of convert.
6509 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6511 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6512 new value 2 for incoming.
6513 * function.c (expand_function_start): Call struct_value_rtx
6515 * config/sparc/sparc.md: Comment updated_return.
6516 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6517 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6518 struct return if sparc_std_struct_return and incoming is 2.
6519 (print_operand): Do not adjust return if
6520 sparc_std_struct_return.
6522 2006-04-04 Roger Sayle <roger@eyesopen.com>
6524 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6525 convert in the middle-end.
6526 * expr.c (store_expr, store_constructor, get_inner_reference,
6527 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6529 * tree.c (build_range_type): Likewise.
6531 2006-04-04 Tom Tromey <tromey@redhat.com>
6533 * doc/install.texi (Prerequisites): Mention jar.
6535 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6537 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6540 2006-04-04 Matthias Klose <doko@debian.org>
6542 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6546 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6549 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6551 * doc/extend.texi (Function Attributes): Rewrite visibility
6552 attribute documentation.
6553 * doc/invoke.texi (C++ Dialect Options): Rewrite
6554 -fvisibility-inlines-hidden documentation to describe something
6555 entirely different, although in practise compatible.
6556 (Code Gen Options): Warn about system headers in -fvisibility=
6559 * doc/extend.texi (Other Builtins): Document that
6560 __builtin_nan is a compile-time constant only when its argument
6563 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6565 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6566 trying to remove TRUNCATE check if all bits outside the new mode
6567 are identical to the sign bit.
6569 2006-04-03 Jeff Law <law@redhat.com>
6571 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6572 and operand scanning in some common cases.
6574 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6575 Dale Johannesen <dalej@apple.com>
6578 * regclass.c (struct reg_pref): Update documentation.
6579 (regclass): Set prefclass to NO_REGS if memory is the best option.
6580 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6581 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6582 into account. For non-registers, equate an empty preferred
6583 reload class to a `!' in the constraint; move the if clause to
6584 do so after those that reject the insn.
6585 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6587 (find_dummy_reload): Likewise.
6588 * doc/tm.texi (Register Classes): Document what it means
6589 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6590 * config/i386/i386.c (ix86_preferred_reload_class): Force
6591 using SSE registers (and return NO_REGS for floating-point
6592 constants) if math is done with SSE.
6593 (ix86_preferred_output_reload_class): New.
6594 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6595 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6596 * config/i386/i386.md: Remove # register preferences.
6598 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6601 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6602 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6603 the type of nb_iter.
6604 (instantiate_parameters_1): Convert the operands before calling
6605 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6606 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6608 2006-04-02 Roger Sayle <roger@eyesopen.com>
6610 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6611 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6613 * dojump.c (do_jump): Likewise.
6614 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6615 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6616 gimplify_boolean_expr): Likewise.
6617 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6618 * varasm.c (array_size_for_constructor): Likewise.
6619 * tree-object-size.c (compute_object_offset): Likewise.
6621 2006-04-02 Roger Sayle <roger@eyesopen.com>
6624 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6625 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6627 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6629 PR tree-optimization/26939
6630 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6632 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6634 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6635 at_stmt. Convert the type of operands before calling
6636 build_polynomial_chrec.
6637 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6639 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6640 (instantiate_parameters_1): Convert the type of operands before calling
6641 build_polynomial_chrec.
6642 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6643 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6644 reset_evolution_in_loop): Insert asserts to check the types of the
6646 (chrec_type): Moved...
6647 (eq_evolutions_p): Use operand_equal_p.
6648 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6649 the types of the operands.
6650 (chrec_type): ...here.
6651 * tree-data-ref.c (create_data_ref): Convert the operands before
6652 calling chrec_replace_initial_condition.
6653 (same_access_functions, analyze_subscript_affine_affine,
6654 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6655 (compute_subscript_distance, analyze_ziv_subscript,
6656 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6657 analyze_miv_subscript): Convert the operands before calling
6658 chrec_fold_minus or chrec_fold_plus.
6660 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6662 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6663 the dependence_relations vector.
6664 (compute_data_dependences_for_loop): Adjust call to
6665 compute_all_dependences.
6667 2006-04-01 Roger Sayle <roger@eyesopen.com>
6668 Richard Henderson <rth@redhat.com>
6670 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6671 gimple_boolify on the condition before calling gimplify_expr.
6673 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6675 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6676 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6677 the frame size. Update to use the new macros.
6678 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6679 * config/xtensa/ieee754-df.S: Likewise.
6681 2006-03-31 Richard Henderson <rth@redhat.com>
6683 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6684 (make_edges): ... here. Control fallthru creation with a local
6685 variable. Do not play with fake edges.
6686 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6687 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6690 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6692 * dwarf2.h (DW64_CIE_ID): Define.
6693 * dwarf2out.c (DWARF_CIE_ID): Define.
6694 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6695 length header. Use DWARF_CIE_ID.
6696 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6697 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6699 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6701 * config/sh/linux-atomic.asm: New file.
6702 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6704 2006-03-31 DJ Delorie <dj@redhat.com>
6706 * config/m32c/cond.md: Set condition flags properly throughout.
6707 * config/m32c/minmax.md: Likewise.
6708 * config/m32c/prologue.md: Likewise.
6709 * config/m32c/bitops.md: Likewise.
6710 * config/m32c/muldiv.md: Likewise.
6711 * config/m32c/mov.md: Likewise.
6712 * config/m32c/addsub.md: Likewise.
6713 * config/m32c/m32c.md: Likewise.
6714 * config/m32c/jump.md: Likewise.
6715 * config/m32c/shift.md: Likewise.
6717 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6718 conditionally output the pattern for this.
6719 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6720 (m32c_compare_redundant): New.
6721 (m32c_output_compare): New.
6722 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6724 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6725 dest, not src. Allow other 4-byte modes.
6727 2006-03-30 Denis Chertykov <denisc@overta.ru>
6729 * doc/md.texi: Refer to avr/constraints.md instead of
6732 2006-03-30 Roger Sayle <roger@eyesopen.com>
6734 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6735 signed vs. unsigned comparison failures on some hosts.
6737 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6740 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6741 change to FLOAT_REGS.
6743 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6744 (rs6000_override_options): Use it.
6745 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6746 only for -mabi=spe/no-spe and -mabi=altivec.
6748 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6750 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6753 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6755 * Makefile.in: Rename docdir to gcc_docdir.
6757 2006-03-30 Roger Sayle <roger@eyesopen.com>
6760 * expr.c (emit_group_store): Optimize group stores into a pseudo
6761 register by using a paradoxical subreg to initialize the destination
6762 if the first or last member of the group specifies a "low part".
6764 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6767 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6768 * target.h (struct gcc_target.speculate_insn): Change type of the
6769 second parameter to 'int'.
6770 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6771 the second operand of the DEPS_LIST.
6772 (copy_DEPS_LIST_list): Update reference to the second operand of the
6774 * rtl.h (alloc_DEPS_LIST): Update signature.
6775 * sched-int.h (ds_t): Change typedef to 'int'.
6776 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6778 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6780 * haifa-sched.c (try_ready): Change condition to restore
6781 non-speculative pattern of the instruction.
6782 (process_insn_depend_be_in_spec): Code to keep probability of the
6783 speculative dependence non-decreasing.
6785 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6787 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6788 (single_move_for_movmem): ... this. Also change all uses.
6789 (bfin_expand_strmov): Renamed to...
6790 (bfin_expand_movmem): ... this. Also change all uses.
6791 * config/bfin/bfin.md (movstrsi): Renamed to...
6792 (movstrsi): ...this.
6794 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6796 PR tree-optimization/26830
6798 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6799 (copy_prop_visit_stmt): Remove write-only variable ann.
6800 (init_copy_prop): Check variable loop depth here. Do not simulate
6801 memory-tag and virtual operand PHIs except for store copy prop.
6803 2006-03-30 Richard Guenther <rguenther@suse.de>
6805 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6806 variants with double arguments.
6808 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6810 * genpreds.c (write_tm_constrs_h): Delete variable p.
6811 * genconditions.c (write_header): Add tm-constrs.h to included
6813 * genpeep.c (main): Add toplev.h to included headers.
6814 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6815 (build/genpeep.o): Add toplev.h dependency.
6816 * config/rs6000/constraints.md: Add "W" constraint.
6818 2006-03-29 Roger Sayle <roger@eyesopen.com>
6820 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6821 sizes by correctly testing whether the size fits a host integer.
6822 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6823 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6824 SImode range for the default sizetype and bitsizetype.
6826 2006-03-29 Roger Sayle <roger@eyesopen.com>
6828 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6829 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6830 quickly if the argument is already of the correct type.
6831 Call fold_build1 instead of build1. Tidy up blank lines.
6833 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6835 * genemit.c (main): Add tm-constrs.h to included headers.
6836 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6837 * genpeep.c (main): Add tm-constrs.h to included headers.
6838 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6839 (write_tm_constrs_h): this and write complete file.
6840 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6841 (write_insn_preds_c): Add tm-constrs.h to included headers.
6842 (gen_constrs): New variable.
6843 (parse_option): Parse "-c".
6844 (main): Invoke write_tm_constrs_h.
6845 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6846 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6847 (object_out_file): Add tm-constrs.h dependency.
6848 (insn-emit.o): Same.
6849 (insn-output.o): Same.
6850 (insn-peep.o): Same.
6851 (insn-preds.o): Same.
6852 (insn-recog.o): Same.
6853 (tm-constsr.h): New target.
6854 (s-constrs-h): New target.
6856 * config/rs6000/constraints.md: New file.
6857 * config/rs6000/rs6000.c: Include tm-constrs.h.
6858 (num_insn_constant_wide): Convert to satisfies_constraint.
6859 (rs6000_rtx_costs): Convert to satisfies_constraint.
6860 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6861 (CONST_OK_FOR_LETTER_P): Delete.
6862 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6863 (EXTRA_CONSTRAINT): Delete.
6864 (EXTRA_MEMORY_CONSTRAINT): Delete.
6865 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6866 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6867 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6868 satisfies_constraint.
6870 * config/i386/i386.c: Include tm-constrs.h.
6872 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6874 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6875 * tree-data-ref.c (find_data_references_in_loop,
6876 compute_data_dependences_for_loop): Use pointers to VEC.
6877 (analyze_all_data_dependences): Adjust calls.
6878 * tree-data-ref.h (find_data_references_in_loop,
6879 compute_data_dependences_for_loop): Adjust declarations.
6880 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6881 compute_data_dependences_for_loop.
6883 2006-03-29 Paul Brook <paul@codesourcery.com>
6885 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6888 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6890 PR tree-optimization/26859
6891 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6893 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6894 for the step after fold_convert.
6896 2006-03-29 Paul Brook <paul@codesourcery.com>
6898 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6899 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6901 2006-03-29 Paul Brook <paul@codesourcery.com>
6904 * targhooks.c (default_narrow_bitfield): New fuction.
6905 * targhooks.h (default_narrow_bitfield): add prototype.
6906 * target.h (gcc_target): Add narrow_volatile_bitfield.
6907 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6908 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6909 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6910 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6912 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6914 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6916 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6917 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6918 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6919 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6920 (s390_function_arg_float): Allow SDmode and DDmode values to be
6921 passed in floating point registers.
6922 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6923 check with SCALAR_FLOAT_MODE_P.
6924 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6926 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6928 PR tree-optimization/25985
6929 * tree-ssa-loop-niter.c (number_of_iterations_le,
6930 number_of_iterations_ne): Make comments more precise.
6931 (number_of_iterations_cond): Add only_exit argument. Use the
6932 fact that signed variables do not overflow only when only_exit
6934 (loop_only_exit_p): New.
6935 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6936 number_of_iterations_cond.
6938 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6940 PR tree-optimization/26643
6941 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6944 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6946 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6947 (divsi3_i4_int): Likewise.
6949 2006-03-28 Roger Sayle <roger@eyesopen.com>
6951 * expr.c (emit_group_store): Only create a new pseudo reg if the
6952 quantity it needs to hold isn't already a suitable pseudo.
6954 2006-03-28 Jeff Law <law@redhat.com>
6956 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6957 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6959 2006-03-28 Roger Sayle <roger@eyesopen.com>
6961 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6962 the equivalent ~X & Y, and the symmetry related transformations.
6963 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6964 ~X & Y, and symmetry related transforms.
6966 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6968 Revert my 2006-03-27 patches.
6970 2006-03-28 Roger Sayle <roger@eyesopen.com>
6972 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6973 ~(T1)X, when T1 and T2 are integer types of the same precision
6974 and (T2)X isn't an extension.
6976 2006-03-28 Jeff Law <law@redhat.com>
6978 PR tree-optimization/26796
6979 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6980 need EH edge cleanups rather than purging them immediately.
6981 (eliminate_degenerate_phis): Handle queued EH cleanups.
6983 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6985 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6988 2006-03-27 Roger Sayle <roger@eyesopen.com>
6991 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6992 cast BIT_NOT_EXPR operand to the correct type.
6994 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6996 * tree-loop-linear.c: Don't include varray.h.
6997 (gather_interchange_stats, try_interchange_loops,
6998 linear_transform_loops): Use VEC instead of VARRAY.
6999 * lambda-mat.c: Don't include varray.h.
7000 * tree-chrec.c: Same.
7001 * lambda-trans.c: Same.
7002 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7003 VEC instead of VARRAY.
7004 * tree-vectorizer.h: Idem.
7005 * tree-data-ref.c (dump_data_references,
7006 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7007 initialize_data_dependence_relation, finalize_ddr_dependent,
7008 compute_all_dependences, find_data_references_in_loop,
7009 compute_data_dependences_for_loop, analyze_all_data_dependences,
7010 free_dependence_relation, free_dependence_relations,
7011 free_data_refs): Idem.
7012 * tree-data-ref.h (data_reference_p, subscript_p): New.
7013 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7014 VEC instead of VARRAY.
7015 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7016 (find_data_references_in_loop, compute_data_dependences_for_loop,
7017 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7018 dump_data_dependence_relations, free_dependence_relations,
7019 free_data_refs): Adjust declaration.
7020 (lambda_transform_legal_p): Move declaration here...
7021 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7022 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7023 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7024 vect_analyze_data_refs): Use VEC instead of VARRAY.
7025 * lambda.h (lambda_transform_legal_p): ...from here.
7026 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7027 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7028 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7029 tree-chrec.o): Don't depend on VARRAY_H.
7031 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7033 * rtl.def (Copyright): Update date.
7034 (DEPS_LIST): Change type of the second operand to 'int'.
7035 * target.h (Copyright): Update date.
7036 (struct gcc_target.speculate_insn): Change type of the second parameter
7038 * lists.c (Copyright): Update date.
7039 (alloc_DEPS_LIST): Change signature. Update reference to the second
7040 operand of the DEPS_LIST.
7041 (copy_DEPS_LIST_list): Update reference to the second operand of the
7043 * rtl.h (Copyright): Update date.
7044 (alloc_DEPS_LIST): Update signature.
7045 * sched-int.h (Copyright): Update date.
7046 (ds_t): Change typedef to 'int'.
7047 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7049 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7051 * haifa-sched.c (Copyright): Update date.
7052 (try_ready): Change condition to restore non-speculative pattern
7054 (process_insn_depend_be_in_spec): Code to keep probability of the
7055 speculative dependence non-decreasing.
7057 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7059 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7060 shut up the compiler.
7062 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7064 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7065 to use lib prefix for target.
7066 ($(T)libic_invalidate_array_4-200.a): Likewise.
7067 ($(T)libic_invalidate_array_4a.a): Likewise.
7069 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7070 J"orn Rennecke <joern.rennecke@st.com>
7072 * superh.opt: New file.
7073 * sh.c (boardtype, osruntime): Remove.
7074 * superh.h (SUBTARGET_OPTIONS): Remove.
7075 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7077 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7078 arguments with ^ and/or [].
7080 * config.gcc (sh-*-*): Add quoting to account for quirk of
7082 Replace == with = in enable_incomplete_targets test.
7084 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7085 with MASK_LITTLE_ENDIAN.
7087 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7088 * config/sh/sh.opt: Added to some comments.
7089 * config/sh/superh.h: Removed some chaff.
7091 * config/sh/sh.opt: Add m4-[1234]00* options.
7092 * config/sh/sh.c (sh_handle_option): Likewise.
7093 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7094 (ic_invalidate_array_4-100.o): New rule.
7095 ($(T)libic_invalidate_array_4-100.a): Likewise.
7096 (ic_invalidate_array_4-200.o): Likewise.
7097 ($(T)libic_invalidate_array_4-200.a): Likewise.
7098 (ic_invalidate_array_4a.o): Likewise.
7099 ($(T)libic_invalidate_array_4a.a): Likewise.
7100 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7101 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7103 * config/sh/crt1.asm: Merged in profiling code.
7104 * config/sh/superh.h (STARTFILE_SPEC): Override.
7105 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7106 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7107 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7109 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7110 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7111 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7113 * sh.opt (mpretend-cmove): New option.
7114 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7115 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7116 (movsicc): Add TARGET_PRETEND_CMOVE code.
7118 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7120 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7121 s390_class_max_nregs): New function prototypes.
7122 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7123 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7124 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7125 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7127 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7129 * dwarf2out.c (add_location_or_const_value_attribute): Call
7130 tree_add_const_value_attribute if nothing else works.
7131 (reference_to_unused): New.
7132 (rtl_for_decl_init): Use reference_to_unused to decide whether
7133 to output an initializer.
7135 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7138 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7139 peephole removing spe frob_di_df_2.
7141 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7143 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7144 (subscript_dependence_tester_1): Declared.
7145 (print_dir_vectors, print_dist_vectors): New.
7146 (debug_data_dependence_relation): New.
7147 (dump_data_dependence_relation): Print more details.
7148 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7149 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7150 (save_dist_v, save_dir_v, add_outer_distances,
7151 build_classic_dist_vector_1): New.
7152 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7153 Don't test for lambda_vector_lexico_pos.
7154 (same_access_functions, add_multivariate_self_dist,
7155 add_other_self_distances, dir_from_dist): New.
7156 (build_classic_dir_vector): Replace implementation almost identical to
7157 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7159 (subscript_dependence_tester_1): New.
7160 (subscript_dependence_tester): Handle the lexicographically negative
7161 distance vectors by recomputing the dependence relation.
7162 (compute_affine_dependence): Remove parameter loop_nest_depth.
7163 (compute_self_dependence): Don't call compute_subscript_distance.
7164 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7165 Add a parameter for the loop_nest.
7166 (find_loop_nest_1, find_loop_nest): New.
7167 (compute_data_dependences_for_loop): Compute the loop nest, and give
7168 up if the nest is not well formed.
7169 * tree-data-ref.h (loop_p): New.
7170 (struct data_dependence_relation): Replace size_vect field with
7171 loop_nest, a vec of loops.
7172 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7173 (DDR_LOOP_NEST): New.
7174 (print_dir_vectors, print_dist_vectors,
7175 debug_data_dependence_relation): Declared.
7176 (index_in_loop_nest): New.
7177 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7178 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7181 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7183 * simplify-rtx.c (simplify_relational_operation): Call
7184 simplify_relational_operation_1 even if mode is VOIDmode.
7186 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7188 PR tree-optimization/26804
7189 * tree.h (DECL_CALL_CLOBBERED): New macro.
7190 (tree_decl_common): Add call_clobbered_flag.
7191 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7192 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7193 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7194 (mark_non_addressable): Ditto.
7195 * tree-ssa.c (verify_call_clobbered): New function.
7196 (verify_alias_info): Use it.
7197 * tree-pass.h (pass_reset_cc_flags): New prototype.
7198 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7199 (reset_cc_flags): New function.
7200 * passes.c (init_optimization_passes): Call reset_cc_flags after
7201 initializing referenced_vars.
7203 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7204 Roger Sayle <roger@eyesopen.com>
7207 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7208 to 1.0 for non-real operands. Implement A / A optimization for
7211 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7213 * config/i386/i386.c (size_cost): Correct the comment for
7214 cost of storing fp registers.
7215 (i386_cost): Likewise.
7216 (i486_cost): Likewise.
7217 (pentium_cost): Likewise.
7218 (pentiumpro_cost): Likewise.
7219 (k6_cost): Likewise.
7220 (athlon_cost): Likewise.
7221 (k8_cost): Likewise.
7222 (pentium4_cost): Likewise.
7223 (nocona_cost): Likewise.
7224 (generic64_cost): Likewise.
7225 (generic32_cost): Likewise.
7227 2006-03-24 Denis Chertykov <denisc@overta.ru>
7229 * config/avr/avr-protos.h (extra_constraint): Delete.
7230 (extra_constraint_Q): New declaration.
7231 * config/avr/constraints.md: New file.
7232 * config/avr/avr.md: Include it.
7233 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7234 (TMP_REGNO, ZERO_REGNO): Likewise.
7235 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7236 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7237 (extra_constraint): Delete.
7238 (extra_constraint_Q): Test for memory constraint 'Q'.
7239 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7240 (REG_CLASS_FROM_LETTER): Delete.
7241 (CONST_OK_FOR_LETTER_P): Delete.
7242 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7243 (EXTRA_CONSTRAINT): Delete.
7244 (TMP_REGNO): Delete.
7245 (ZERO_REGNO): Delete.
7247 2006-03-24 Jeff Law <law@redhat.com>
7249 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7250 directly. Call mark_new_vars_to_rename slightly earlier.
7252 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7254 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7256 (gen_compile_unit_die): Use new language types for Objective-C and
7258 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7259 DW_LANG_C_plus_plus.
7262 * config/t-darwin (crt3.o): Work around bug 26840.
7263 * config/darwin-crt3.c: Rewrite.
7264 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7266 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7268 * doc/invoke.texi: Document -femit-class-debug-always
7269 * common.opt: Add -femit-class-debug-always.
7271 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7273 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7274 index and base register.
7275 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7276 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7277 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7278 REGNO_OK_FOR_INDEX_P.
7279 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7281 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7282 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7283 REG_OK_FOR_BASE_P): Definitions removed.
7285 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7288 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7289 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7290 set yet or weren't marked as local yet.
7292 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7294 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7297 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7299 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7300 (rs6000_legitimate_small_data_p): Delete.
7301 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7302 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7303 and make static. Add forward declaration. Update uses.
7304 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7305 of offsettable_memref_p.
7306 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7307 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7309 2006-03-24 Jeff Law <law@redhat.com>
7311 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7312 around bug in immediate-use iterator.
7314 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7317 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7318 or __LITTLE_ENDIAN__.
7320 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7322 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7323 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7324 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7325 * config/sh/sh.opt (mdiv=): Amend description.
7326 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7327 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7328 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7329 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7330 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7331 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7332 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7333 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7334 TARGET_DIVIDE_CALL_FP.
7336 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7338 * haifa-sched.c (choose_ready): Fix type of the local variable.
7339 Move local variables. Add comment.
7340 (check_reg_live): Change signature. Make callable from debugger.
7341 * sched-int.h (check_reg_live): Update signature.
7342 * sched-ebb.c (check_reg_live): Update parameters.
7343 * sched-rgn.c (check_reg_live): Ditto.
7344 (region_head_or_leaf_p): Check pointer before dereferencing.
7345 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7346 before reload on optimization levels below 1.
7348 2006-03-23 Richard Henderson <rth@redhat.com>
7350 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7354 * config/alpha/predicates.md (local_symbolic_operand): Reject
7357 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7360 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7361 expressions which have overflowed constants.
7363 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7365 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7367 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7369 * cfgloopmanip.c (create_loop_notes): Removed.
7370 * final.c (final_scan_insn): Do not handle loop notes.
7371 * jump.c (squeeze_notes): Ditto.
7372 * cfglayout.c (skip_insns_after_block,
7373 duplicate_insn_chain): Ditto.
7374 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7376 * cfgloop.h (create_loop_notes): Declaration removed.
7378 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7380 * varasm.c (output_constant_pool): Restore fnname and fndecl
7382 (assemble_start_function): Adjust call accordingly.
7383 (assemble_end_function): Likewise.
7385 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7388 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7391 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7393 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7396 * system.h (ICE_EXIT_CODE): New macro.
7397 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7398 (diagnostic_action_after_output): Likewise.
7399 * gcc.c (fatal_ice): New function.
7400 (execute): Use it instead of fatal.
7401 (fancy_abort): Likewise.
7402 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7404 2006-03-22 Jeff Law <law@redhat.com>
7406 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7407 iv_analyze_result returning false.
7409 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7411 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7413 2006-03-22 Richard Henderson <rth@redhat.com>
7416 * except.c (duplicate_eh_regions_0): New.
7417 (duplicate_eh_region_1): Duplicate the children of the node as
7418 well as the node itself. Link them up properly.
7419 (duplicate_eh_region_2): Merge into ...
7420 (duplicate_eh_regions): ... here. Take copy_region argument, and
7421 copy only a sub-tree if asked. Simplify copying and fixup.
7422 (eh_region_outer_p): New.
7423 * except.h (duplicate_eh_regions): Update decl.
7424 (eh_region_outer_p): Declare.
7425 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7426 (lower_omp_master): Likewise.
7427 (lower_omp_ordered): Likewise.
7428 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7429 (move_stmt_r): Use it to remap labels. Handle recursion vs
7430 remap_decls_p properly.
7431 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7432 (find_outermost_region_in_block): New.
7433 (new_label_mapper): New.
7434 (move_sese_region_to_fn): Copy eh information to the new function
7436 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7438 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7441 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7443 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7444 into shared libraries.
7446 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7448 * doc/md.texi: Refer to i386/constraints.md instead of
7450 * config/i386/constraints.md: New file, extracted from...
7451 * config/i386/predicates.md: ...here.
7452 * config/i386/i386.md: Include constraints.md.
7454 2006-03-21 Jason Merrill <jason@redhat.com>
7456 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7459 * expr.c (init_block_move_fn): Force default visibility.
7460 (init_block_clear_fn): Likewise.
7461 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7462 * targhooks.c (default_external_stack_protect_fail): Likewise.
7464 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7466 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7467 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7468 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7469 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7470 (loadgp): Use mips_current_loadgp_style.
7471 (loadgp_noshared): New pattern.
7472 (sibcall_internal): Use MIPS_CALL.
7473 (sibcall_value_internal): Likewise.
7474 (sibcall_value_multiple_internal): Likewise.
7475 (call_internal): Likewise.
7476 (call_value_internal): Likewise.
7477 (call_value_multiple_internal): Likewise.
7478 (call_split): Use MIPS_CALL and add an 'S' constraint.
7479 (call_value_split): Likewise.
7480 (call_value_multiple_split): Likewise.
7481 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7482 (-mshared): New option.
7483 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7484 (mips_current_loadgp_style): Declare.
7485 * config/mips/mips.c (mips_classify_symbol): Avoid using
7486 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7487 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7488 TARGET_ABSOLUTE_ABICALLS.
7489 (override_options): Adjust comments. Improve the warning that is
7490 issued when -mabicalls and -G are used together.
7491 (mips_file_start): Remove comment.
7492 (mips_current_loadgp_style): New function.
7493 (mips_gnu_local_gp): New variable.
7494 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7496 (mips_output_function_prologue): Use mips_current_laodgp_style.
7497 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7498 the cprestore instruction.
7499 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7500 live for TARGET_ABSOLUTE_ABICALLS.
7501 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7502 (ASM_SPEC): Pass down -mshared and -mno-shared.
7503 (MIPS_CALL): New macro.
7504 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7506 * doc/invoke.texi (-mabicalls): Update documentation.
7507 (-mshared): Document.
7509 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7511 * config/ia64/unwind-hpux.c: New file.
7512 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7514 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7517 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7519 2006-03-21 Jeff Law <law@redhat.com>
7521 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7522 type conversions of a VR_VARYING source to a wider type.
7524 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7526 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7527 tm_file on Solaris 10 and later.
7528 (sparc64-*-solaris2*): Likewise.
7529 (sparc-*-solaris2*): Likewise.
7530 * config/sol26.h: Rename to config/sol2-6.h.
7531 * config/sol2-10.h: New file.
7533 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7536 * tree-ssa-pre.c (create_component_ref_by_pieces):
7539 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7542 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7543 return it immediately.
7545 2006-03-21 Michael Matz <matz@suse.de>
7547 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7549 (remove_arc, add_arc): Update num_out_arcs member.
7550 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7552 (cache_presence): New function.
7553 (compare_states_for_equiv): New function.
7554 (state_is_differed): Don't take number of outargs, adjust callers.
7555 Use new invariant for speeding up.
7556 (init_equiv_class): Create initial classes based on sorted
7558 (partition_equiv_class): Don't track out_arcs_num.
7559 (evaluate_equiv_classes): Call cache_presence on all states and
7562 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7564 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7565 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7566 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7567 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7569 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7570 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7571 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7572 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7573 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7575 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7576 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7577 (REGNO_REG_CLASS): ARGP is in PREGS.
7578 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7580 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7581 to deal with those addresses.
7582 * addresses.h: New file.
7583 * caller-save.c: Include "addresses.h".
7584 (init_caller_save): Use new base_reg_class function.
7585 * rtl-factoring.c: Include "addresses.h".
7586 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7587 * recog.c: Include "addresses.h".
7588 (preprocess_constraints): Use new base_reg_class function.
7589 * regrename.c: Include "addresses.h".
7590 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7591 functions. Keep track of a new var INDEX_CODE to compute valid
7593 (replace_oldest_value_addr): Likewise.
7594 (replace_oldest_value_mem): Use base_reg_class.
7595 * reload.c: Include "addresses.h".
7596 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7597 (find_reloads): Use new base_reg_class function.
7598 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7599 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7600 all callers and prototype changed.
7601 * reload1.c: Include "addresses.h".
7602 (maybe_fix_stack_asms): Use base_reg_class.
7603 * regclass.c: Include "addresses.h".
7604 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7605 (init_reg_autoinc): Use new base_reg_class function.
7606 (record_reg_classes): Likewise.
7607 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7608 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7609 Use new args to compute necessary class.
7611 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7612 regrename.o, rtl-factoring.o): Update dependencies.
7613 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7614 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7615 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7616 REG_OK_FOR_INDEX_P): Delete documentation.
7618 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7620 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7621 from V7 to V9 for Solaris 7 and above.
7623 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7625 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7626 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7627 argument pointers may not alias any other storage.
7628 * common.opt: Define option -fargument-noalias-anything.
7629 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7630 alias semantics is specified by flag_argument_noalias > 2.
7632 2006-03-20 Jeff Law <law@redhat.com>
7634 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7635 (pass_phi_only_cprop): Declare.
7636 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7638 * tree-ssa-dom.c (degenerate_phi_result): New function.
7639 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7640 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7641 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7642 (eliminate_degenerate_phis): Likewise.
7643 (pass_phi_only_cprop): New pass descriptor.
7644 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7645 support code. Callers updated.
7646 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7647 (store_copy_prop): Likewise.
7648 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7650 2006-03-20 Jason Merrill <jason@redhat.com>
7653 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7654 (push_visibility, pop_visibility): Likewise.
7655 * c-pragma.h: Declare them.
7657 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7659 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7661 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7662 parameter and use get_ebb_head_tail.
7663 (sh_md_init_global): Adjust uses of find_regmode_weight.
7665 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7667 * function.h (struct function) <x_tail_recursion_reentry>:
7668 Rename to x_stack_check_probe_note.
7669 (tail_recursion_reentry): Rename to stack_check_probe_note.
7670 * function.c: Replace tail_recursion_reentry with
7671 stack_check_probe_note everywhere.
7672 (expand_function_start): Only emit a note for
7673 stack_check_probe_note with -fstack-protect.
7674 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7676 * emit-rtl.c (remove_unnecessary_notes): Remove.
7677 (pass_remove_unnecessary_notes): Remove.
7678 * rtl.h (remove_unnecessary_notes): Remove prototype.
7679 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7680 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7681 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7683 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7686 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7687 (valid_in_set): Handle ARRAY_REF.
7688 Change "if min_variant or VH" to asserts.
7689 (create_component_ref_by_pieces): Handle ARRAY_REF.
7690 (create_expression_by_pieces): Likewise.
7691 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7693 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7695 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7696 is operand of switch, not str[0].
7698 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7700 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7701 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7703 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7705 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7706 end of insn_extra_address_constraint declaration.
7708 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7710 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7711 (no-sum-in-toc): Same.
7712 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7714 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7715 NO_FP_IN_TOC for -fPIC instead of mask.
7717 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7718 (BOOT_LDFLAGS): Delete.
7720 * config/rs6000/t-aix52: Same.
7722 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7723 (stmsi[345678]_power): New.
7725 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7727 * config/ia64/ia64.opt: Add empty line to end of file.
7729 2006-03-17 Richard Guenther <rguenther@suse.de>
7732 * builtins.c (get_pointer_alignment): For component style references
7733 adjust alignment to the component type alignment. Make sure
7734 to adjust alignment for component access of constants.
7736 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7738 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7741 2006-03-17 Paul Brook <paul@codesourcery.com>
7743 * doc/install.texi: Docuemnt --with-mode.
7744 * config.gcc: Add --with-mode for arm*-*-*.
7745 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7747 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7749 * sh.c (max_labelno_before_reorg): New variable.
7750 (sh_reorg): Initialize it.
7751 (find_barrier): Check max_labelno_before_reorg before using
7752 label_to_alignment. Take length of explicit alignment insns
7753 into account. When seeing a UNSPECV_CONST_END, return it.
7755 * sh.c (fixup_mova): Set mode of affected label to QImode.
7756 (untangle_mova): New function.
7757 (find_barrier): Use it. Check mode of label before decrementing
7759 (sh_reorg): Likewise.
7760 Set mode of all insns back to VOIDmode.
7762 * sh.c (MOVA_LABELREF): New macro.
7763 (mova_p, fixup_mova, sh_reorg): Use it.
7764 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7765 ADDR_DIFF_VEC matches mova.
7767 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7769 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7770 with ATTRIBUTE_UNUSED.
7772 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7774 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7775 pointer, instead of assuming it is possible to derive the
7776 correct args size from a call insn.
7778 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7780 * rtl.h (CONST_INT_P): Define.
7781 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7782 instead of GET_CODE(x) == CONST_INT.
7783 (vax_rtx_costs): Likewise.
7784 (vax_output_int_move): Likewise.
7785 (vax_output_int_add): Likewise.
7786 (legitimate_constant_address_p): Likewise.
7787 (index_term_p): Likewise.
7788 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7789 * config/vax/vax.md (and<mode>3): Likewise.
7790 (ashrsi3): Likewise.
7792 (movstricthi): Likewise.
7793 (movstrictqi): Likewise.
7794 (rotrsi3): Likewise.
7795 (five unnamed insns): Likewise.
7797 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7799 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7800 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7801 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7802 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7803 Pass to ASM_OUTPUT_DWARF_OFFSET.
7804 * dwarf2out.c (debug_frame_section): New.
7805 (output_call_frame_info): Use debug_frame_section. Pass it to
7806 dw2_asm_output_offset.
7807 (output_die): Pass appropriate section to dw2_asm_output_offset.
7808 (output_compilation_unit_header): Likewise.
7809 (output_pubnames): Likewise.
7810 (output_aranges): Likewise.
7811 (enum dw_val_class): Break dw_val_class_lbl_offset into
7812 dw_val_class_lineptr and dw_val_class_macptr.
7813 (add_AT_lbl_offset): Delete.
7814 (add_AT_lineptr): New.
7815 (add_AT_macptr): New.
7816 (AT_lbl): Expect a lineptr or macptr.
7817 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7818 (attr_checksum): Likewise.
7819 (same_dw_val_p): Likewise.
7820 (size_of_die): Likewise.
7821 (value_format): Likewise.
7822 (output_die): Likewise.
7823 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7825 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7826 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7827 * config/darwin-protos.h (darwin_file_start): New.
7828 (darwin_asm_output_dwarf_offset): New.
7829 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7830 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7832 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7833 if not EH section; simplify.
7834 (darwin_file_start): New.
7835 (darwin_asm_output_dwarf_offset): New.
7836 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7838 (DEBUG_INFO_SECTION): Likewise.
7839 (DEBUG_ABBREV_SECTION): Likewise.
7840 (DEBUG_ARANGES_SECTION): Likewise.
7841 (DEBUG_MACINFO_SECTION): Likewise.
7842 (DEBUG_LINE_SECTION): Likewise.
7843 (DEBUG_LOC_SECTION): Likewise.
7844 (DEBUG_PUBNAMES_SECTION): Likewise.
7845 (DEBUG_STR_SECTION): Likewise.
7846 (DEBUG_RANGES_SECTION): Likewise.
7847 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7848 (ASM_OUTPUT_DWARF_OFFSET): New.
7850 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7852 * config.gcc (tm_defines): Always add to previous value rather
7855 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7857 * config/mips/predicates.md (splittable_const_int_operand): New,
7858 split from move_operand.
7859 (splittable_symbolic_operand): New.
7860 (move_operand): Add commentary. Use splittable_const_int_operand.
7861 Inline mips_atomic_symbolic_constant_p.
7862 * config/mips/mips.md: Add combine splitters for handling moves
7863 of splittable_const_int_operands and splittable_symbolic_operands.
7864 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7865 (mips_split_symbol): Declare.
7866 (mips_move_integer): Declare.
7867 * config/mips/mips.c (mips_split_p): Make global.
7868 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7869 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7870 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7871 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7872 (mips_offset_within_object_p): Handle block symbols.
7873 (mips_atomic_symbolic_constant_p): Delete.
7874 (mips_cannot_force_const_mem): Return false for constants that
7875 mips_legitimize_move can handle.
7876 (mips_use_blocks_for_constant_p): New function.
7877 (mips_split_symbol): Make global.
7878 (mips_move_integer): Likewise. Add a temporary register argument.
7879 (mips_legitimize_const_move): Use splittable_const_int_operand and
7880 splittable_symbolic_operand.
7881 (mips_use_anchors_for_symbol_p): New function.
7882 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7883 (mips_split_p): Declare.
7885 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7887 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7888 (mips*-*-linux*): Likewise.
7890 2006-03-16 Roger Sayle <roger@eyesopen.com>
7891 Daniel Speyer <dspeyer@wam.umd.edu>
7894 * tree-dump.c (dump_real): New function.
7895 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7896 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7897 (tree-dump.o): Add $(REAL_H) to the dependencies.
7899 2006-03-16 Roger Sayle <roger@eyesopen.com>
7902 * real.c (real_from_string): If the mantissa is zero, don't bother
7903 parsing the exponent as the result should always be zero.
7905 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7907 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7909 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7911 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7912 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7913 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7914 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7915 ia64_sched_finish_global): New static functions to implement
7916 hooks from gcc_target.sched.
7917 (spec_check_no, max_uid, pending_data_specs): New static variables.
7918 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7919 ia64_spec_check_src_p): New static functions.
7920 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7921 (TARGET_SCHED_ADJUST_COST): Removed.
7922 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7923 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7924 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7925 TARGET_SCHED_GEN_CHECK,
7926 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7927 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7928 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7929 Fixed to handle speculation checks.
7930 (rtx_needs_barrier): Fixed to handle speculative loads and
7932 (ia64_variable_issue): Added code to count speculative loads and their
7934 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7936 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7938 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7940 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7941 (ia64_reorg): Reset stops_p to NULL after it is freed.
7942 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7943 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7944 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7946 (data_speculative, control_speculative, check_load): New attributes.
7947 (mov<mode>_advanced, mov<mode>_speculative,
7948 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7949 zero_extend<mode>di2_speculative,
7950 zero_extend<mode>di2_speculative_advanced): New patterns for
7951 data and control speculative loads.
7952 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7954 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7955 New pattern for data and control speculation checks.
7956 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7957 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7958 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7959 Auxiliary definitions for the patterns.
7960 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7961 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7963 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7965 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7966 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7967 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7968 New resource constraints.
7969 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7971 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7972 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7973 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7974 msched-in-control-spec, msched-ldc, msched-control-ldc,
7975 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7976 msched-prefer-non-control-spec-insns,
7977 msched-count-spec-in-critical-path): New flags to tune speculative
7979 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7980 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7981 msched-in-control-spec, msched-ldc, msched-control-ldc,
7982 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7983 msched-prefer-non-control-spec-insns,
7984 msched-count-spec-in-critical-path): Document new flags.
7986 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7988 * target.h (struct spec_info_def): New opaque declaration.
7989 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7990 speculate_insn, needs_block_p, gen_check,
7991 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7992 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7993 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7994 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7995 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7996 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7998 (TARGET_SCHED): Use new macros.
7999 * rtl.h (copy_DEPS_LIST_list): New prototype.
8000 * sched-int.h (struct sched_info): Change signature of new_ready field,
8001 adjust all initializations. New fields: add_remove_insn,
8002 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8003 region_head_or_leaf_p.
8004 (struct spec_info_def): New structure declaration.
8005 (spec_info_t): New typedef.
8006 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8007 recovery_block, orig_pat.
8008 (glat_start, glat_end): New variables declaraions.
8009 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8011 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8012 DETACH_LIFE_INFO, USE_GLAT.
8013 (enum SPEC_SCHED_FLAGS): New enumeration.
8014 (NOTE_NOTE_BB_P): New macro.
8015 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8016 attach_life_info, debug_spec_status, check_reg_live): New functions.
8017 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8018 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8020 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8021 * ddg.c (get_block_head_tail): Adjust all uses.
8022 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8023 (sms_sched_info): Initialize new fields.
8024 (contributes_to_priority): Removed.
8025 * haifa-sched.c (params.h): New include.
8026 (get_block_head_tail): Adjust all uses.
8027 (ISSUE_POINTS): New macro.
8028 (glat_start, glat_end): New global variables.
8029 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8030 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8031 old_last_basic_block, before_recovery, current_sched_info_var,
8032 rgn_n_insns, luid): New static variables.
8033 (insn_cost1): New function. Move logic from insn_cost to here.
8034 (find_insn_reg_weight1): New function. Move logic from
8035 find_insn_reg_weight to here.
8036 (reemit_notes, move_insn, max_issue): Change signature.
8037 (move_insn1): Removed.
8038 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8039 extend_bb): New static functions to support extension of scheduler's
8041 (generate_recovery_code, process_insn_depend_be_in_spec,
8042 begin_speculative_block, add_to_speculative_block,
8043 init_before_recovery, create_recovery_block, create_check_block_twin,
8044 fix_recovery_deps): New static functions to support
8045 generation of recovery code.
8046 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8047 restore_bb_notes, move_block_after_check, move_succs): New static
8048 functions to support ebb scheduling.
8049 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8050 functions to support handling of register live information.
8051 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8052 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8053 add_jump_dependencies): New static functions.
8054 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8055 consistancy checking.
8056 (debug_spec_status): New function to call from debugger.
8057 (priority): Added code to handle speculation checks.
8058 (rank_for_schedule): Added code to distinguish speculative instructions.
8059 (schedule_insn): Added code to handle speculation checks.
8060 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8061 Fixed to handle ebbs.
8062 (move_insn): Added code to handle ebb scheduling.
8063 (max_issue): Added code to use ISSUE_POINTS of instructions.
8064 (choose_ready): Added code to choose between speculative and
8065 non-speculative instructions.
8066 (schedule_block): Added code to handle ebb scheduling and scheduling of
8067 speculative instructions.
8068 (sched_init): Initialize new variables.
8069 (sched_finish): Free new variables. Print statistics.
8070 (try_ready): Added code to handle speculative instructions.
8071 * lists.c (copy_DEPS_LIST_list): New function.
8072 * sched-deps.c (extend_dependency_caches): New function. Move logic
8073 from create_dependency_caches to here.
8074 (get_dep_weak, ds_merge): Make global.
8075 * genattr.c (main): Code to output prototype for
8076 dfa_clear_single_insn_cache.
8077 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8078 (output_dfa_clean_insn_cache_func): Code to output
8079 dfa_clear_single_insn_cache function.
8080 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8082 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8084 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8085 New static variables.
8086 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8087 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8089 (ebb_sched_info): Initialize new fields.
8090 (get_block_head_tail): Adjust all uses.
8091 (compute_jump_reg_dependencies): Fixed to use glat_start.
8092 (schedule_ebb): Code to remove unreachable last block.
8093 (schedule_ebbs): Added code to update register live information.
8094 * sched-rgn.c (region_sched_info): Initialize new fields.
8095 (get_block_head_tail): Adjust all uses.
8096 (last_was_jump): Removed. Adjust users.
8097 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8098 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8099 Implement new hooks.
8100 (check_dead_notes1): New static function.
8101 (struct region): New fields: dont_calc_deps, has_real_ebb.
8102 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8103 (BB_TO_BLOCK): Fixed to handle EBBs.
8104 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8105 (ebb_head): New static variable.
8106 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8107 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8109 (compute_dom_prob_ps): New assertion.
8110 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8111 global_live_at_start.
8112 (init_ready_list): New assertions.
8113 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8114 (new_ready): Add support for BEGIN_CONTROL speculation.
8115 (schedule_insns): Fixed code that updates register live information
8117 (schedule_region): Fixed to handle EBBs.
8118 (init_regions): Use extend_regions and check_dead_notes1.
8119 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8120 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8121 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8122 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8123 TARGET_SCHED_GEN_CHECK,
8124 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8125 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8126 * doc/invoke.texi (max-sched-insn-conflict-delay,
8127 sched-spec-prob-cutoff): Document.
8129 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8131 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8132 inter_tick, queue_index.
8133 (struct sched_info): Change signature of init_ready_list field.
8134 Adjust all initializations.
8135 (RESOLVED_DEPS): New access macro.
8136 (ready_add): Remove prototype.
8137 (try_ready): Add prototype.
8138 * sched-rgn.c (init_ready_list): Use try_ready.
8139 (schedule_region): Initialize
8140 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8141 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8142 (init_ready_list): Use try_ready.
8143 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8144 * lists.c (remove_list_elem): Remove `static'.
8145 (remove_free_INSN_LIST_elem): New function.
8146 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8147 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8148 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8150 (readyp): New variable.
8151 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8152 change_queue_index, resolve_dep): New static functions.
8153 (try_ready): New function. Adjust callers in sched-rgn.c and
8154 sched-ebb.c to use it instead of ready_add.
8155 (clock_var): Move at the begining of file.
8156 (rank_for_schedule): Fix typo.
8157 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8158 (ready_lastpos): Enforce assertion.
8159 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8161 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8162 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8163 (queue_to_ready): Use free_INSN_LIST_list.
8164 (early_queue_to_ready): Fix typo.
8165 (schedule_block): Init readyp. Move init_ready_list call after the
8166 initialization of clock_var. Fix error in rejecting insn by
8167 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8168 that previously corrected INSN_TICKs. Add code for handling
8170 (set_priorities): Fix typo.
8171 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8172 Clarify comment and code that keeps current_sched_info->next_tail
8175 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8177 * sched-rgn.c (extend_rgns): New static function.
8178 (find_rgns): Use it.
8179 (gather_region_statistics, print_region_statistics): New static
8181 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8182 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8184 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8185 Andrey Belevantsev <abel@ispras.ru>
8187 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8188 * lists.c (unused_deps_list): New variable.
8189 (free_list): Add assertions to verify the proper distinguishing
8190 between INSN_LISTs and DEPS_LISTs.
8191 (find_list_elem, remove_list_elem, remove_list_node): New static
8193 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8194 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8195 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8196 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8198 (free_INSN_LIST_node): Likewise.
8199 * modulo-sched.c (current_sched_info): Initialize flags field.
8200 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8201 * rtl.def (DEPS_LIST): Define.
8202 * rtl.h: Declare new functions from lists.c.
8203 * sched-deps.c (spec_dependency_cache): New static variable.
8204 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8205 (add_dependence): Change return type to void. Move the logic to ...
8206 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8207 (delete_all_dependences): Add comment about forward_dependency_cache.
8208 Handle spec_dependency_cache. Handle DEPS_LISTs.
8209 (fixup_sched_groups): Clarify the change of priority of output
8210 and anti dependencies.
8211 (sched_analyze_2): Adjust add_dependence calls to create data
8212 speculative dependence.
8213 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8214 Adjust all callers. Handle DEPS_LISTS.
8215 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8216 presence of speculation.
8217 (init_dependency_caches, free_dependency_caches):
8218 Handle spec_dependency_cache.
8219 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8220 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8221 New static functions.
8222 (add_or_update_back_dep, add_or_update_back_forw_dep,
8223 add_back_forw_dep, delete_back_forw_dep): New functions.
8224 * sched-int.h (ds_t, dw_t): New typedefs.
8225 (struct sched_info): Add new field flags.
8226 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8227 Prototype new sched-deps.c functions.
8228 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8229 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8230 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8231 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8232 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8233 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8235 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8237 * sched-rgn.c (current_sched_info): Initialize flags field.
8238 (schedule_insns): Initialize current_sched_info before the sched_init
8240 * sched-ebb.c (current_sched_info): Initialize flags field.
8241 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8242 Call add_or_update_back_dep instead of add_dependence.
8243 Create control speculative dependencies.
8244 (schedule_insns): Initialize current_sched_info before the sched_init
8247 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8249 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8251 (sh_fallback_frame_state): Likewise.
8253 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8255 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8256 Do switch on default_use_cxa_atexit.
8257 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8258 * config/darwin-crt3.o: New.
8259 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8260 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8261 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8263 * config/rs6000/t-darwin: Move crt2.o building to here.
8264 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8265 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8268 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8270 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8271 from '! xxx' to '!xxx' for coding-style conformance.
8272 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8273 (EXTRA_CONSTRAINT): Likewise.
8274 * config/vax/vax.md (four unnamed insns): Likewise.
8276 2006-03-15 Paul Brook <paul@codesourcery.com>
8278 * config/arm/arm.c (minipool_pad): New.
8279 (add_minipool_forward_ref): Include pool alignment padding in address
8281 (push_minipool_fix): Set minipool_pad.
8282 (minipool_pad): Ditto.
8284 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8286 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8287 instead of GET_CODE() == MEM and REG_P() instead of
8289 (print_operand_address): Likewise.
8290 (vax_address_cost): Likewise.
8291 (vax_rtx_costs): Likewise.
8292 (vax_notice_update_cc): Likewise.
8293 (vax_output_int_add): Likewise.
8294 (INDEX_REGISTER_P): Likewise.
8295 (BASE_REGISTER_P): Likewise.
8296 (nonindexed_address_p): Likewise.
8297 (vax_mode_dependent_address_p): Likewise.
8298 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8299 (PRINT_OPERAND): Likewise.
8300 * config/vax/vax.md (ashlsi3): Likewise.
8301 (ashlsi3): Likewise.
8302 (some more unnamed insns): Likewise.
8304 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8306 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8307 iterator-style macro.
8308 (mark_control_dependent_edges_necessary): Update the use of
8309 EXECUTE_IF_CONTROL_DEPENDENT.
8311 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8313 * config/sh/predicates.md (cache_address_operand): Special.
8314 (ua_address_operand): Likewise.
8316 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8318 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8320 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8322 2006-03-15 Andreas Schwab <schwab@suse.de>
8324 * gensupport.c (identify_predicable_attribute): Don't free p_false
8325 when it is still in use.
8327 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8329 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8330 the default setting here.
8332 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8334 * tree-pass.h (pass_cfg): Remove.
8335 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8336 * passes.c (pass_cfg): Don't run it.
8338 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8340 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8341 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8343 (stack_regs_mentioned): Update the uses of
8344 stack_regs_mentioned_data. Don't access the array beyond its
8346 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8347 Don't include gt-reg-stack.h.
8349 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8350 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8352 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8355 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8358 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8360 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8362 2006-03-14 Richard Guenther <rguenther@suse.de>
8364 PR tree-optimization/26672
8365 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8368 2006-03-14 Richard Guenther <rguenther@suse.de>
8370 PR tree-optimization/26667
8371 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8372 node for the callees. Always allow inlining if it will shrink
8375 2006-03-14 Richard Guenther <rguenther@suse.de>
8378 * builtins.c (get_pointer_alignment): Prefer alignment
8379 information from decls over that from types.
8381 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8384 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8386 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8388 * config/rs6000/rs6000.opt (mdlmzb): New option.
8389 (msched-prolog, msched-epilog): Use Var not Mask.
8390 * doc/invoke.texi (-mdlmzb): Document.
8391 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8393 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8394 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8396 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8398 PR rtl-optimization/25739
8399 * bt-load.c (augment_live_range): Free tos pointer.
8401 * gensupport.c (identify_predicable_attribute): Free
8403 * gcov.c (create_file_names): Free name pointer.
8405 2006-03-13 Roger Sayle <roger@eyesopen.com>
8408 * stmt.c (emit_case_nodes): Handle the case where the index is a
8409 CONST_INT, where the comparison mode is specified by the index type.
8411 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8413 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8416 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8418 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8419 (*branch_fp_inverted): Likewise.
8421 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8424 * omp-low.c (expand_omp_for_generic): Mark istart0
8425 and iend0 as addressable.
8427 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8429 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8431 2006-03-13 Jeff Law <law@redhat.com>
8433 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8434 virtual operands are interesting.
8435 (vrp_visit_stmt): Corresponding changes.
8437 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8439 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8441 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8442 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8443 * config/bfin/crti.S: Use it instead of __PIC__.
8444 * config/bfin/crtn.S: Likewise.
8446 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8447 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8449 Lose 'G' modifier for call operand.
8450 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8451 recognize 'G' modifier.
8453 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8456 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8457 * stmt.c (expand_case): Likewise.
8459 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8461 PR rtl-optimization/26254
8462 * loop-invariant.c (seq_insns_valid_p): New function.
8463 (move_invariant_reg): Only emit new code if it is valid.
8465 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8467 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8469 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8470 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8471 (commit_one_edge_insertion): Do not look for loop notes.
8473 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8475 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8476 flag_test_coverage out of loop.
8478 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8480 * final.c (shorten_branches): Remove outdated comment, and turn
8481 the if branch that guards it to continue.
8483 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8485 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8486 * cfgloop.h (struct loop): Remove unused fields.
8488 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8490 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8491 (-dL, -fdump-rtl-loop2): Update the dump file names
8493 * doc/invoke.texi: Update dump file names.
8495 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8497 * predict.c (estimate_probability): Remove.
8498 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8499 * basic-block.h (estimate_probability): Remove prototype.
8500 * passes.c (finish_optimization_passes): Dump branch prediction or
8501 profiling heuristics to the .profile tree dump.
8502 (init_optimization_passes): Unqueue pass_branch_prob.
8504 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8506 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8508 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8509 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8511 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8513 * function.h (frame_offset_overflow): Declare.
8514 * function.c (frame_offset_overflow): New function.
8515 (assign_stack_local_1): Call it to detect that the offset overflows.
8516 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8518 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8520 * config/sh/sh.c: Include alloc-pool.h.
8521 (label_ref_list_pool): New alloc pool.
8522 (label_ref_list_t): New type for lists of labels.
8523 (struct pool_node): Make wend a label_ref_list_t.
8524 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8526 (dump_table): Likewise.
8527 (sh_reorg): Set up the alloc pool before using add_constant and
8528 dump_table, and destroy it when finishing.
8530 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8532 * config/mips/mips.c: Remove redundant comment.
8534 2006-03-10 Jason Merrill <jason@redhat.com>
8537 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8538 the target was declared 'register'.
8540 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8542 * genpreds.c (write_insn_constraint_len): Change definition of
8543 insn_constraint_len to return size_t to match the declaration.
8545 2006-03-10 DJ Delorie <dj@redhat.com>
8547 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8549 (m32c_expand_insv): Fix test for an AND mask.
8551 2006-03-10 Richard Guenther <rguenther@suse.de>
8554 * builtins.c (get_pointer_alignment): Handle component
8555 references for field alignment.
8557 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8559 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8560 when building with libgloss.
8561 (sh*elf): Implement --without-fp option.
8562 (sh64-superh-linux*): Don't multilib.
8564 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8566 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8568 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8570 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8571 Set it when one of the replacement functions returned true.
8572 Return TODO_cleanup_cfg if cfgchanged is true.
8573 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8575 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8577 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8578 instead of gen_lowpart.
8580 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8582 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8584 (mips_output_order_conditional_branch): Declare.
8585 * config/mips/mips.h (MIPS_BRANCH): New macro.
8586 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8587 for the comparison. Use gen_condjump.
8588 (mips_output_conditional_branch): Rework interface to take the
8589 asm templates for a direct branch and the inverse of a direct branch.
8590 (mips_output_order_conditional_branch): New function.
8591 (mips_builtin_branch_and_move): New function.
8592 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8593 branch condition. Use gen_single_cc as the condition for
8594 __builtin_mips_upper_* or __builtin_mips_lower_*.
8595 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8596 Use VOIDmode for the branch condition.
8597 * config/mips/predicates.md (order_operator): New predicate.
8598 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8599 (branch_fp): Rename to...
8600 (*branch_fp): ...this. Remove mode from comparison operator.
8601 Use new mips_output_conditional_branch interface.
8602 (branch_fp_inverted): Rename to...
8603 (*branch_fp_inverted): ...this and update as for *branch_fp.
8604 (*branch_zero<mode>): Rename to...
8605 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8606 Use mips_output_order_conditional_branch. Only accept ordered
8608 (*branch_zero<mode>_inverted): Rename to...
8609 (*branch_order<mode>_inverted): ...this and update as for
8610 *branch_order<mode>.
8611 (*branch_equality<mode>): Accept zero as the second operand to
8612 the equality operator. Use the new mips_output_conditional_branch
8614 (*branch_equality<mode>_inverted): Likewise.
8615 (condjump): New expander.
8616 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8618 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8619 (bc1any2t, bc1any2f): Likewise.
8620 (single_cc): New expander.
8621 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8623 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8625 * doc/md.texi: Update documentation of MIPS constraints.
8626 * config/mips/constraints.md: New file.
8627 * config/mips/mips.md: Include it.
8628 * config/mips/mips.c (mips_char_to_class): Delete.
8629 (override_options): Don't initialize mips_char_to_class.
8630 * config/mips/mips.h (mips_char_to_class): Delete.
8631 (REG_CLASS_FROM_LETTER): Delete.
8632 (CONST_OK_FOR_LETTER_P): Delete.
8633 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8634 (EXTRA_CONSTRAINT_Y): Delete.
8635 (EXTRA_CONSTRAINT_STR): Delete.
8636 (CONSTRAINT_LEN): Delete.
8637 (EXTRA_MEMORY_CONSTRAINT): Delete.
8639 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8641 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8642 original fn's eh regions.
8644 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8646 * fold-const.c (build_range_check): Make sure to use a valid type to
8647 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8650 (range_predecessor): New static function.
8651 (range_successor): Likewise.
8652 (merge_ranges): Use them to compute predecessors and successors of
8655 2006-03-09 Roger Sayle <roger@eyesopen.com>
8658 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8659 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8661 2006-03-08 DJ Delorie <dj@redhat.com>
8663 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8664 (addpsi3): Expand to include memory operands. Remove
8665 reload-specific splits.
8666 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8667 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8668 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8669 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8670 (shift1_qi, shift1_hi, insv): New.
8671 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8672 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8673 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8675 * config/m32c/m32c-protos.h: Update as needed.
8676 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8677 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8678 Fail for unrecognized R* constraints.
8679 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8680 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8681 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8683 (m32c_init_libfuncs): New.
8684 (m32c_legitimate_address_p): Add debug wrapper.
8685 (m32c_rtx_costs): New.
8686 (m32c_address_cost): New.
8687 (conversions): Add 'B' prefix.
8688 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8689 operands, or word regnames for QI operands. 'B' prints bit
8691 (m32c_expand_setmemhi): New.
8692 (m32c_expand_movmemhi): New.
8693 (m32c_expand_movstr): New.
8694 (m32c_expand_cmpstr): New.
8695 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8696 (m32c_expand_neg_mulpsi3): Handle non-ints.
8697 (m32c_cmp_flg_0): New.
8698 (m32c_expand_movcc): New.
8699 (m32c_expand_insv): New.
8700 (m32c_scc_pattern): New.
8701 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8702 a0/a1 out of SIregs.
8703 (STORE_FLAG_VALUE): New.
8704 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8707 * config/m32c/mov.md: Make constraints more liberal.
8708 (zero_extendqihi2): Optimize r0/r1 case.
8709 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8710 * config/m32c/predicates.md (m32c_any_operand): New.
8711 (m32c_nonimmediate_operand): New.
8712 (m32c_hl_operand): New.
8713 (m32c_r3_operand): New.
8716 (memsym_operand): New.
8717 (memimmed_operand): New.
8718 (a_qi_operand): New.
8719 (m32c_eqne_operator): New.
8720 (m32c_1bit8_operand): New.
8721 (m32c_1bit16_operand): New.
8722 (m32c_1mask8_operand): New.
8723 (m32c_1mask16_operand): New.
8724 * config/m32c/blkmov.md: New file.
8725 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8727 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8729 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8730 unsigned to fix signed/unsigned comparison issue in
8731 DWARF2_FRAME_REG_OUT.
8732 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8733 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8735 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8736 of ptr into the ENABLE_CHECKING section.
8738 2006-03-08 Jeff Law <law@redhat.com>
8740 * tree-vrp.c (infer_value_range): Only count pointer uses
8741 and dereferences if -fdelete-null-pointer-checks is enabled.
8743 * tree-vrp.c (find_assert_locations): Infer value ranges for
8744 single use pointers, but do not create ASSERT_EXPRs for them.
8745 When a non-null range is inferred for a pointer, backwards
8746 propagate that range to other equivalent pointers through the
8749 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8752 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8753 language hook targets.
8754 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8755 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8756 if language hook targets were missing.
8758 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8760 * tree-ssa-opfinalize.h: Removed.
8761 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8763 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8764 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8765 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8766 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8767 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8768 finalize_ssa_v_must_def_ops): New.
8770 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8772 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8775 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8777 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8779 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8780 addresses with offsets; reorganize.
8782 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8783 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8784 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8786 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8789 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8791 2006-03-08 Ben Elliston <bje@au.ibm.com>
8793 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8795 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8798 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8801 2006-03-07 Richard Guenther <rguenther@suse.de>
8803 PR tree-optimization/26587
8804 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8806 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8808 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8810 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8812 * hooks.c (hook_bool_mode_rtx_true): New function.
8813 * hooks.h (hook_bool_mode_rtx_true): Declare.
8814 * toplev.c (compile_file): Call output_shared_constant_pool.
8815 * varasm.c (shared_constant_pool): New variable.
8816 (assemble_start_function, assemble_end_function): Remove arguments
8817 from call to output_constant_pool.
8818 (create_constant_pool): New function, split out from...
8819 (init_varasm_status): ...here.
8820 (force_const_mem): Choose between the shared and per-function constant
8821 pools. Set current_function_uses_const_pool when reusing old entries
8822 as well as when creating new ones.
8823 (mark_constant): Ignore data argument.
8824 (mark_constants): Remove pool argument.
8825 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8826 to decide whether the function uses a constant pool.
8827 (output_constant_pool_contents): New function, split out from...
8828 (output_constant_pool): ...here.
8829 (output_shared_constant_pool): New function.
8830 (init_varasm_once): Initialize shared_constant_pool.
8831 * output.h (output_constant_pool): Delete.
8832 (output_shared_constant_pool): Declare.
8833 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8834 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8836 2006-03-06 Nick Clifton <nickc@redhat.com>
8838 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8839 flag_strength_reduce.
8841 2006-03-06 Ben Elliston <bje@au.ibm.com>
8843 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8844 x86_64-*-linux* configurations.
8846 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8847 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8849 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8851 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8853 * basic-block.h: Remove the extern for
8854 rediscover_loops_after_threading.
8856 * cfgloop.c (cancel_loop): Make it static.
8857 * cfgloop.h: Remove the prototype for cancel_loop.
8859 * flow.c (recompute_reg_usage): Make it static.
8860 * rtl.h: Remove the prototype for recompute_reg_usage.
8862 * function.c (use_return_register): Make it static.
8863 * function.h: Remove the prototype.
8865 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8867 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8869 * recog.h: Remove the prototype for
8870 validate_change_maybe_volatile.
8872 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8874 * rtlanal.c (replace_reg): Remove.
8875 * rtl.h: Remove the prototype for replace_reg.
8877 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8879 * regclass.c (reg_scan_update): Remove.
8880 (reg_scan_mark_refs): Remove the last argument.
8881 * rtl.h: Remove the prototype for reg_scan_update.
8883 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8885 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8886 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8887 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8888 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8889 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8890 loop-invariant.c, omp-low.c, opts.c, passes.c,
8891 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8892 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8893 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8894 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8895 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8896 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8898 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8900 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8901 * dwarf2out.h: Remove the prototype for
8902 dwarf2out_add_library_unit_info.
8904 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8906 * tree.c (add_var_to_bind_expr): Remove.
8907 * tree.h: Remove the prototype for add_var_to_bind_expr.
8909 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8911 * regclass.c (n_non_fixed_regs): Remove.
8912 (init_reg_sets_1, globalize_reg): Remove all uses of
8914 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8916 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8918 * rtlanal.c (insns_safe_to_move_p): Remove.
8919 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8921 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8923 * expmed.c (expand_mult_add): Remove.
8924 * expr.h: Remove the prototype for expand_mult_add.
8926 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8928 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8929 and REG_SAVED_VAL_EXP constants.
8930 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8931 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8932 Handle regs stored by value.
8933 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8934 (execute_cfa_program): Handle DW_CFA_val_offset,
8935 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8936 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8937 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8938 (uw_install_context_1): Handle target regs stored by value.
8940 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8942 * tree-sra.c (tree_sra): Return todoflags;
8943 (generate_one_element): Set TODO_update_smt_usage if needed.
8944 (pass_sra): Remove TODO_update_smt_usage.
8945 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8947 (tree_ssa_forward_propagate_single_use_vars): Return
8948 TODO_update_smt_usage if we need to update SMT usage.
8949 (pass_forwprop): Remove TODO_update_smt_usage.
8951 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8953 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8954 (correct_use_link): Remove reference to get_stmt_operands.
8955 (update_stmt_operands): Likewise.
8956 (get_modify_expr_operands): New function factored out of
8957 parse_ssa_operands and get_expr_operands.
8958 Try to create V_MUST_DEFs for LHS by default.
8959 (get_expr_operands) <case MODIFY_EXPR>: Call
8960 get_modify_expr_operands.
8961 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8962 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8963 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8964 get_modify_expr_operands.
8966 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8968 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8969 * tree-flow.h: Remove the prototype for
8970 referenced_var_lookup_if_exists.
8972 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8974 PR rtl-optimization/26345
8976 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8978 2006-03-03 Roger Sayle <roger@eyesopen.com>
8980 PR tree-optimization/26524
8981 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8982 fold_convert to create a constant of the appropriate type.
8984 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8986 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8987 SYMBOL_REF_IN_BLOCK_P.
8988 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8989 of SYMBOL_FLAG_IN_BLOCK.
8990 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8991 instead of SYMBOL_REF_IN_BLOCK_P.
8992 * explow.c (use_anchored_address): Likewise.
8993 * rtl.c (rtx_size): Likewise.
8994 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8995 instead of SYMBOL_FLAG_IN_BLOCK.
8996 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8997 SYMBOL_REF_IN_BLOCK_P.
8998 (assemble_variable): Likewise.
8999 (output_constant_def_contents): Likewise.
9000 (output_constant_pool): Likewise.
9001 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9002 instead of SYMBOL_FLAG_IN_BLOCK.
9003 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9004 SYMBOL_REF_IN_BLOCK_P.
9005 (SYMBOL_REF_BLOCK): Likewise.
9006 (SYMBOL_REF_OFFSET): Likewise.
9007 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9008 SYMBOL_REF_IN_BLOCK_P.
9009 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9010 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9011 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9012 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9014 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9016 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9018 2006-03-02 Roger Sayle <roger@eyesopen.com>
9020 * simplify-rtx.c (simplify_unary_operation): When simplifying
9021 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9022 that we perform the right shift in the appropriate mode, and
9023 then extend or truncate the result to requested mode.
9025 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9027 * gengtype.c (main): Handle double_int type.
9028 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9029 * double-int.c: New file.
9030 * double-int.h: New file.
9031 * system.h: Include doubleint.h.
9032 * Makefile.in (SYSTEM_H): Include double-int.h.
9033 (double-int.o): Add.
9035 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9038 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9041 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9043 * tree-vrp.c (remove_range_assertions): Do not update statements
9046 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9048 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9050 * gcse.c (rest_of_handle_gcse): Ditto.
9051 * except.c (gate_handle_eh): Ditto.
9052 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9053 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9055 2006-03-02 Eric Christopher <echristo@apple.com>
9057 * config/i386/i386.c (machopic_output_stub): Add indirection to
9060 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9064 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9066 Sun Niagara specific optimizations.
9067 * config.gcc: Recognize niagara as target.
9068 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9069 (TARGET_CPU_niagara): Define.
9070 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9071 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9072 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9073 (ASM_CPU_SPEC): Likewise.
9074 (PROCESSOR_NIAGARA): New enum entry.
9075 (REGISTER_MOVE_COST): Handle Niagara.
9076 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9077 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9078 (sparc_override_options): Recognize "niagara", set appropriate
9079 default MASK_* values for it, and align functions to 32-bytes
9080 by default just like ULTRASPARC/ULTRASPARC3.
9081 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9082 (sparc64_initialize_trampoline): Likewise.
9083 (sparc_use_sched_lookahead): Use zero for niagara.
9084 (sparc_issue_rate): Use one for niagara.
9085 * config/sparc/niagara.md: New file.
9086 * config/sparc/sparc.md: Include it.
9087 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9088 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9089 when default cpu is niagara.
9090 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9091 (ASM_CPU_SPEC): Likewise.
9092 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9093 when default cpu is niagara.
9094 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9095 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9096 just like v9/ultrasparc/ultrasparc3.
9097 * doc/invoke.texi: Add documentation for "niagara" and improve
9098 existing documentation for ultrasparc variants.
9100 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9102 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9104 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9106 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9107 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9108 and say that only one is needed.
9109 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9110 * target.h (have_switchable_bss_sections): New hook.
9111 * explow.c (use_anchored_address): Check that the symbol is in a block.
9112 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9113 (bss_noswitch_section): New variables.
9114 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9115 (get_noswitch_section): New function.
9116 (get_block_for_section): Allow SECT to be null.
9117 (unlikely_text_section_p): Use SECTION_STYLE.
9118 (bss_initializer_p): New function.
9119 (get_variable_section): Move earlier in file. Take a new argument,
9120 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9121 Return one of the new *_sections in such cases.
9122 (get_block_for_decl): New function, extracting some logic from
9123 use_blocks_for_decl_p.
9124 (change_symbol_section): Remove in favor of...
9125 (change_symbol_block): ...this new function.
9126 (use_blocks_for_decl_p): Remove checks now performed by
9128 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9129 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9130 (emit_local, emit_bss, emit_common): ...these new functions.
9131 Return true if the alignment was honored.
9132 (emit_tls_common): New function.
9133 (asm_emit_uninitialised): Delete.
9134 (assemble_variable_noswitch): New function, split out from...
9135 (assemble_variable): ...here. Don't make decisions about common
9136 variables here. Globalize all public decls that go into non-common
9137 sections. Check whether SYMBOL_REF_BLOCK is null.
9138 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9139 (output_constant_pool): Likewise.
9140 (init_varasm_once): Initialize the new section variables.
9141 (have_global_bss_p): New function.
9142 (categorize_decl_for_section): Use bss_initializer_p.
9143 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9144 (place_block_symbol): Assert that the symbol must be in a block.
9145 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9146 (TARGET_INITIALIZER): Include it.
9147 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9148 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9149 (SECTION_MACH_DEP): Bump by two.
9150 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9151 (unnamed_section): Mention SECTION_UNNAMED in comment.
9152 (named_section): Likewise SECTION_NAMED.
9153 (noswitch_section_callback): New type.
9154 (noswitch_section): New structure.
9155 (section): Add a noswitch_section alternative.
9156 (SECTION_STYLE): New macro.
9157 (tls_comm_section, comm_section, lcomm_section): Declare.
9158 (bss_noswitch_section, have_global_bss_p): Declare.
9159 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9160 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9162 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9163 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9166 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9168 * tree-vrp.c (execute_vrp): Return value.
9169 * regrename.c (rest_of_handle_regrename): Ditto.
9170 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9171 * tree-complex.c (tree_lower_complex): Ditto.
9172 (tree_lower_complex_O0): Ditto.
9173 * tracer.c (rest_of_handle_tracer): Ditto.
9174 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9175 * postreload.c (rest_of_handle_postreload): Ditto.
9176 * tree-tailcall.c (execute_tail_recursion): Ditto.
9177 (execute_tail_calls): Ditto.
9178 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9179 * tree.h (init_function_for_compilation): Ditto.
9180 * ipa-cp.c (ipcp_driver): Ditto.
9181 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9182 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9183 * final.c (compute_alignments): Ditto.
9184 (rest_of_handle_final): Ditto.
9185 (rest_of_handle_shorten_branches): Ditto.
9186 (rest_of_clean_state): Ditto.
9187 * omp-low.c (execute_expand_omp): Ditto.
9188 (execute_lower_omp): Ditto.
9189 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9190 * ipa-reference.c (static_execute): Ditto.
9191 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9192 * reorg.c (rest_of_handle_delay_slots): Ditto.
9193 (rest_of_handle_machine_reorg): Ditto.
9194 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9195 * flow.c (recompute_reg_usage): Ditto.
9196 (rest_of_handle_remove_death_notes): Ditto.
9197 (rest_of_handle_life): Ditto.
9198 (rest_of_handle_flow2): Ditto.
9199 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9200 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9201 (do_ssa_store_ccp): Ditto.
9202 (execute_fold_all_builtins): Ditto.
9203 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9204 * modulo-sched.c (rest_of_handle_sms): Ditto.
9205 * ipa-pure-const.c (static_execute): Ditto.
9206 * cse.c (rest_of_handle_cse): Ditto.
9207 (rest_of_handle_cse2): Ditto.
9208 * web.c (rest_of_handle_web): Ditto.
9209 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9210 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9211 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9212 * tree-nrv.c (tree_nrv): Ditto.
9213 (execute_return_slot_opt): Ditto.
9214 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9215 (create_structure_vars): Ditto.
9216 * loop-init.c (rtl_loop_init): Ditto.
9217 (rtl_loop_done): Ditto.
9218 (rtl_move_loop_invariants): Ditto.
9219 (rtl_unswitch): Ditto.
9220 (rtl_unroll_and_peel_loops): Ditto.
9221 (rtl_doloop): Ditto.
9222 * gimple-low.c (lower_function_body): Ditto.
9223 (mark_used_blocks): Ditto.
9224 * tree-ssa-sink.c (execute_sink_code): Ditto.
9225 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9226 (cgraph_early_inlining): Ditto.
9227 * global.c (rest_of_handle_global_alloc): Ditto.
9228 * jump.c (cleanup_barriers): Ditto.
9229 (purge_line_number_notes): Ditto.
9230 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9231 (rest_of_handle_if_after_reload): Ditto.
9232 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9233 (tree_ssa_loop_im): Ditto.
9234 (tree_ssa_loop_unswitch): Ditto.
9235 (tree_vectorize): Ditto.
9236 (tree_linear_transform): Ditto.
9237 (tree_ssa_loop_ivcanon): Ditto.
9238 (tree_ssa_empty_loop): Ditto.
9239 (tree_ssa_loop_bounds): Ditto.
9240 (tree_complete_unroll): Ditto.
9241 (tree_ssa_loop_prefetch): Ditto.
9242 (tree_ssa_loop_ivopts): Ditto.
9243 (tree_ssa_loop_done): Ditto.
9244 * predict.c (tree_estimate_probability): Ditto.
9245 * recog.c (split_all_insns_noflow): Ditto.
9246 (rest_of_handle_peephole2): Ditto.
9247 (rest_of_handle_split_all_insns): Ditto.
9248 * tree-eh.c (lower_eh_constructs): Ditto.
9249 * regmove.c (rest_of_handle_regmove): Ditto.
9250 (rest_of_handle_stack_adjustments): Ditto.
9251 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9252 * function.c (instantiate_virtual_regs): Ditto.
9253 (init_function_for_compilation): Ditto.
9254 (rest_of_handle_check_leaf_regs): Ditto.
9255 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9256 (rest_of_handle_gcse): Ditto.
9257 * ipa-type-escape.c (type_escape_execute): Ditto.
9258 * alias.c (rest_of_handle_cfg): Ditto.
9259 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9260 * profile.c (rest_of_handle_branch_prob): Ditto.
9261 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9262 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9263 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9264 * tree-dfa.c (find_referenced_vars): Ditto.
9265 * except.c (set_nothrow_function_flags): Ditto.
9266 (convert_to_eh_region_ranges): Ditto.
9267 (rest_of_handle_eh): Ditto.
9268 * emit-rtl.c (unshare_all_rtl): Ditto.
9269 (remove_unnecessary_notes): Ditto.
9270 * except.h (set_nothrow_function_flags): Ditto.
9271 (convert_to_eh_region_ranges): Ditto.
9272 * cfgexpand.c (tree_expand_cfg): Ditto.
9273 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9274 * tree-ssa-pre.c (do_pre): Ditto.
9275 (execute_fre): Ditto.
9276 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9277 (rest_of_handle_jump2): Ditto.
9278 * tree-sra.c (tree_sra): Ditto.
9279 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9280 (execute_mudflap_function_decls): Ditto.
9281 * tree-ssa-copy.c (do_copy_prop): Ditto.
9282 (do_store_copy_prop): Ditto.
9283 * ipa-prop.h (ipcp_driver): Ditto.
9284 * cfglayout.c (insn_locators_initialize): Ditto.
9285 * tree-ssa-forwprop.c
9286 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9287 * cfglayout.h (insn_locators_initialize): Ditto.
9288 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9289 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9290 (execute_late_warn_uninitialized): Ditto.
9291 * rtl.h (cleanup_barriers): Ditto.
9292 (split_all_insns_noflow): Ditto.
9293 (purge_line_number_notes): Ditto.
9294 (unshare_all_rtl): Ditto.
9295 (remove_unnecessary_notes): Ditto.
9296 (recompute_reg_usage): Ditto.
9297 (variable_tracking_main): Ditto.
9298 * integrate.c (emit_initial_value_sets): Ditto.
9299 * integrate.h (emit_initial_value_sets): Ditto.
9300 * tree-optimize.c (execute_free_datastructures): Ditto
9301 (execute_free_cfg_annotations): Ditto.
9302 (execute_fixup_cfg): Ditto.
9303 (execute_cleanup_cfg_pre_ipa): Ditto.
9304 (execute_cleanup_cfg_post_optimizing): Ditto.
9305 (execute_init_datastructures): Ditto.
9306 * tree-object-size.c (compute_object_sizes): Ditto.
9307 * combine.c (rest_of_handle_combine): Ditto.
9308 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9309 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9310 (rest_of_handle_reorder_blocks): Ditto.
9311 (rest_of_handle_partition_blocks): Ditto.
9312 * var-tracking.c (variable_tracking_main): Ditto.
9313 * tree-profile.c (tree_profiling): Ditto.
9314 * tree-vect-generic.c (expand_vector_operations): Ditto.
9315 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9316 * sched-rgn.c (rest_of_handle_sched): Ditto.
9317 (rest_of_handle_sched2): Ditto.
9318 * basic-block.h (free_bb_insn): Ditto.
9319 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9320 * tree-cfg.c (execute_build_cfg): Ditto.
9321 (remove_useless_stmts): Ditto.
9322 (split_critical_edges): Ditto.
9323 (execute_warn_function_return): Ditto.
9324 (execute_warn_function_noreturn): Ditto.
9325 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9326 * cfgrtl.c (free_bb_for_insn): Ditto.
9327 * passes.c (execute_one_pass): Run additional
9328 todos returned by execute function.
9329 * tree-pass.h (struct tree_opt_pass): Make execute
9332 2006-03-02 Richard Guenther <rguenther@suse.de>
9334 * tree-ssa-alias.c (find_used_portions): Consider taking
9335 the address as making the variable not write-only.
9337 2006-03-02 Nick Clifton <nickc@redhat.com>
9339 * config.gcc (default_use_cxa_atexit): Extend the description of
9340 this configure variable. Set its default value to "yes" for
9341 Linux, NetBSD and ELF targets on the assumption that they will
9342 use C libraries with the __cxa_atexit function.
9344 2006-03-02 Ben Elliston <bje@au.ibm.com>
9346 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9347 parameter as unused to suppress a build warning.
9349 2006-03-02 Ben Elliston <bje@au.ibm.com>
9351 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9354 2006-03-01 Roger Sayle <roger@eyesopen.com>
9357 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9358 declared name, the weak reference name, and the typeof name.
9359 (__gthrw): Avoid expanding the declared name suffix.
9360 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9362 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9364 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9366 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9367 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9368 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9369 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9370 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9371 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9372 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9373 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9374 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9375 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9376 (DW_END_default, DW_END_big, DW_END_little): New.
9377 (DW_END_lo_user, DW_END_hi_user): Define.
9378 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9379 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9380 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9383 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9385 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9387 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9389 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9391 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9393 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9394 to 'symbol_mem_tag'.
9396 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9399 2006-03-01 Roger Sayle <roger@eyesopen.com>
9401 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9403 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9406 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9407 MACHO_DYNAMIC_NO_PIC_P.
9408 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9410 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9413 * config/darwin-protos.h (darwin_asm_output_anchor):
9415 * config/darwin-sections.def (cstring_section):
9416 Add SECTION_MERGE to the flags.
9417 (literal4_section): Likewise.
9418 (literal8_section): Likewise.
9419 (objc_selector_refs_section): Likewise.
9420 (objc_cls_refs_section): Likewise.
9421 * config/darwin.c (darwin_asm_output_anchor): New
9423 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9425 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9427 Fix PR tree-optimization/26443
9428 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9429 to todo and PROP_tmt_usage to properties_destroyed.
9430 * tree-ssa-ccp.c (pass_ccp): Ditto.
9431 (pass_store_ccp): Ditto.
9432 * tree-ssa-dom.c (pass_dominator): Ditto.
9434 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9436 * tree-ssa-operands.c: Cleanup whitespace.
9437 (get_asm_expr_operands): Move before first invocation.
9438 (get_indirect_ref_operands): Likewise.
9439 (get_tmr_operands): Likewise.
9440 (get_call_expr_operands): Likewise.
9441 (append_def): Likewise.
9442 (append_use): Likewise.
9443 (append_v_may_def): Likewise.
9444 (append_v_must_def): Likewise.
9445 (add_call_clobber_ops): Likewise.
9446 (add_call_read_ops): Likewise.
9447 (add_stmt_operand): Likewise.
9448 (add_virtual_operand): Likewise.
9449 (build_ssa_operands): Likewise.
9451 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9456 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9457 with a call expr to ...
9458 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9460 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9462 * tree-vrp.c (extract_range_from_assert): Remove special
9463 handling for types with super-types.
9465 2006-03-01 Ben Elliston <bje@au.ibm.com>
9467 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9468 and powerpc64-*-linux* configurations.
9469 * config/t-dfprules: New file.
9471 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9472 Compile dfp-bit.c from the source directory using -DWIDTH and
9473 $DFP_CFLAGS to control the compilation of that file, rather than
9474 generating width-specific versions in the build directory.
9475 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9476 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9478 2006-02-28 Zack Weinberg <zackw@panix.com>
9480 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9483 2006-02-28 Eric Christopher <echristo@apple.com>
9485 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9486 Set up IN_LIBGCC definition of TARGET_64BIT.
9487 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9489 2006-02-28 Roger Sayle <roger@eyesopen.com>
9492 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9493 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9494 cases via the construction of "expr != 0".
9496 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9498 * alias.c (alias_invariant, alias_invariant_size): Remove.
9499 (record_base_value): Remove.
9500 (memrefs_conflict_p): Don't look at alias_invariant.
9501 (end_alias_analysis): Don't free it.
9502 * alias.h (record_base_value): Remove prototype.
9504 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9505 Adam Nemet <anemet@caviumnetworks.com>
9507 * rtl.h (truncated_to_mode): Declare it.
9508 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9509 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9510 (RTL_HOOKS_INITIALIZER): Include it.
9511 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9512 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9513 reg_truncated_to_mode.
9514 * rtlanal.c (truncated_to_mode): Define it.
9515 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9517 2006-02-28 Jeff Law <law@redhat.com>
9519 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9520 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9521 the range allowed by TYPE_PRECISION.
9523 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9525 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9527 PR tree-optimization/26419
9528 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9531 2006-02-27 Zack Weinberg <zackw@panix.com>
9533 * doc/md.texi: Fix typo in previous change.
9535 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9539 2006-02-27 Zack Weinberg <zackw@panix.com>
9541 * rtl.def (define_constraint, define_register_constraint)
9542 (define_memory_constraint, define_address_constraint): New MD forms.
9543 * gensupport.c (process_rtx): Put define_constraint etc on the
9545 * genpreds.c (process_define_predicate): Adjust comment. Validate
9546 the name, and call validate_exp to validate the expression.
9547 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9548 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9549 all callers changed.
9550 (validate_exp, needs_variable, struct constraint_data)
9551 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9552 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9553 (const_dbl_constraints, constraint_max_namelen)
9554 (have_register_constraints, have_memory_constraints)
9555 (have_address_constraints, have_address_constraints)
9556 (have_extra_constraints, have_const_int_constraints)
9557 (have_const_dbl_constraints, mangle, add_constraint)
9558 (process_define_constraint, process_define_register_constraint)
9559 (write_enum_constraint_num, write_lookup_constraint)
9560 (write_insn_constraint_len, write_regclass_for_constraint)
9561 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9562 (write_insn_extra_memory_constraint)
9563 (write_insn_extra_address_constraint)
9564 (write_satisfies_constraint_fns): New.
9565 (write_tm_preds_h): If we have new-style constraint definitions,
9566 prototype the functions generated from them, and define the
9567 old constraint interface (still used by generic code) in terms of
9569 (write_insn_preds_c): If we have new-style constraint definitions,
9570 generate all relevant functions from those definitions.
9571 (main): Handle define_constraint etc.
9572 * genoutput.c (struct constraint_data, indep_constraints)
9573 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9574 (mdep_constraint_len): New data structures and functions, defined
9575 #ifdef USE_MD_CONSTRAINTS.
9576 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9577 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9578 use new logic to validate operand constraints against constraint
9580 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9582 * defaults.h: If none of the old-style constraint macros are
9583 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9584 old-style macros; and poison REG_CLASS_FROM_LETTER,
9585 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9587 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9588 * doc/md.texi: Document new constraint-definition mechanism and the
9589 C interface it provides. Remove references to old mechanism
9590 elsewhere in the document.
9591 (Machine Constraints): Use pathnames relative to gcc directory,
9592 i.e. config/ARCH/FILE. Change i386 section to refer to
9593 config/i386/predicates.md; update that section to match docstrings.
9594 * doc/tm.texi: Move all documentation of the old constraint-
9595 definition macros to their own section, clearly mark as obsolete.
9597 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9598 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9600 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9601 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9602 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9604 (splits and peepholes): Use satisfies_constraint_*.
9605 * config/i386/i386.c (memory_address_length)
9606 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9608 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9610 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9611 scalar operation to be put back into the loop.
9613 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9616 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9617 (extract_cie_info): Handle S flag in augmentation string.
9618 (execute_cfa_program): If context->signal_frame, execute also
9619 fs->pc == context->ra instructions.
9620 (uw_frame_state_for): If context->signal_frame, don't subtract one
9621 from context->ra to find FDE.
9622 (uw_update_context_1): Set context->signal_frame to
9624 (_Unwind_GetIPInfo): New function.
9625 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9626 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9628 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9629 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9630 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9631 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9632 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9633 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9634 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9635 x86_64_fallback_frame_state): Set fs->signal_frame.
9636 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9637 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9638 (frob_update_context): Likewise. Workaround missing S flag in
9639 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9640 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9641 Remove the psw_addr + 1 hack.
9643 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9645 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9646 with aggregates here.
9647 (find_func_aliases): Remove code for &<aggregate> from here.
9649 2006-02-26 Roger Sayle <roger@eyesopen.com>
9651 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9652 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9653 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9656 2006-02-26 Roger Sayle <roger@eyesopen.com>
9659 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9661 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9663 * opts.c (decode_options): Do not handle flag_strength_reduce.
9664 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9665 and OPT_fstrength_reduce.
9666 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9667 flag_prefetch_loop_arrays for being nonzero.
9668 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9670 (fprefetch-loop-arrays-rtl): Removed.
9671 (flag_prefetch_loop_arrays): Do not specify the value.
9673 * doc/passes.texi: Update documentation of loop optimizer
9675 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9676 -frerun-loop-opt): Remove.
9678 2006-02-26 Richard Guenther <rguenther@suse.de>
9680 PR tree-optimization/26421
9681 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9682 in function calls that are ADDR_EXPRs as using the whole structure.
9684 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9686 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9687 * tree-pass.h (pass_loop_optimize): Remove.
9688 * passes.c (pass_loop_optimize): Never run it.
9689 * toplev.c (backend_init): Don't call init_loop.
9690 * opts.c (flag_loop_optimize_set): Remove.
9691 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9692 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9693 the old RTL loop optimizer when profiling enabled.
9694 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9695 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9696 pre-headers for the sake of the old RTL loop optimizer.
9697 * Makefile.in: Remove all references to loop.o.
9699 * doc/invoke.texi: Remove all references to -floop-optimize
9700 and -frerun-loop-opt.
9702 2006-02-26 Zack Weinberg <zackw@panix.com>
9704 * doc/md.texi (Machine Constraints): Refer to all files with paths
9705 relative to gcc directory (i.e. config/CPU/file). Add missing
9706 @table @code ... @end table to M32C subsection.
9708 2006-02-26 Roger Sayle <roger@eyesopen.com>
9710 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9712 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9714 2006-02-26 Roger Sayle <roger@eyesopen.com>
9715 James A. Morrison <phython@gcc.gnu.org>
9718 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9719 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9720 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9721 signedness of the shift operation.
9723 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9725 PR tree-optimization/26359
9726 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9728 2006-02-25 Roger Sayle <roger@eyesopen.com>
9730 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9731 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9732 as X == 0, and some symmetry related transformations.
9733 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9735 2006-02-25 Roger Sayle <roger@eyesopen.com>
9738 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9739 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9740 symmetry related transformations. Fold (X^C1) == C2 as
9743 2006-02-25 Juergen Weigert <jw@suse.de>
9744 Richard Guenther <rguenther@suse.de>
9746 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9748 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9750 * combine.c (gen_lowpart_or_truncate): Call
9751 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9753 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9755 * doc/invoke.texi: Move -fopenmp description to "Options for
9757 Remove reference to -lgomp.
9759 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9761 * doc/install.texi: Require GNU tar version 1.14.
9763 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9765 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9766 * doc/invoke.texi (C++ Dialect Options): Document
9767 -fno-use-cxa-get-exception-ptr.
9768 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9769 * configure: Regenerate.
9770 * c.opt (fuse-cxa-get-exception-ptr): New.
9771 * c-opts.c (c_common_handle_option): Handle
9772 OPT_fuse_cxa_get_exception_ptr.
9773 * c-common.c (flag_use_cxa_atexit): Update documentation.
9774 (flag_use_cxa_get_exception_ptr): New.
9775 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9776 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9778 (C_COMMON_OVERRIDE_OPTIONS): New.
9780 2006-02-24 Roger Sayle <roger@eyesopen.com>
9783 * combine.c (try_combine): Explicitly check whether GET_CODE is
9784 a SET or a CLOBBER, instead on checking that it isn't a USE.
9786 2006-02-24 Roger Sayle <roger@eyesopen.com>
9788 * fold-const.c (fold_comparison): New subroutine of fold_binary
9789 containing transformations common to both the equality and
9790 ordering relational operators, factored out of fold_binary.
9791 (fold_binary): Separate out the equality operators (EQ_EXPR
9792 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9793 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9794 transformations common to both.
9795 (fold_div_compare): Fix latent bugs in the previously unreachable
9796 LT_EXPR and GE_EXPR cases.
9798 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9800 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9801 decl libname for clog to __clog on AIX.
9803 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9805 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9808 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9809 output traceback table for thunks. Localise rs6000_stack_info call.
9811 2006-02-23 Roger Sayle <roger@eyesopen.com>
9812 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9814 * gthr-posix.h (__gthrw): Fix typo in comment.
9816 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9818 * doc/cpp.texi (Character sets): Document that we do support
9819 input files to be in any character set.
9821 2006-02-23 Jeff Law <law@redhat.com>
9823 * tree.h (PHI_ARG_NONZERO): Remove.
9824 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9825 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9826 node to the new node.
9828 PR tree-optimization/26425
9829 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9830 min/max, then assume its varying.
9832 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9834 PR rtl-optimization/26316
9835 * rtlanal.c (enum may_trap_p_flags): New.
9836 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9837 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9838 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9839 (may_trap_after_code_motion_p): New function.
9840 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9841 (find_invariant_insn): Use may_trap_after_code_motion_p.
9842 * rtl.h (may_trap_after_code_motion_p): Declare.
9844 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9846 * emit-rtl.c (immed_double_const): Cleanup.
9848 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9850 Fix PR tree-optimization/26376
9851 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9854 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9857 * gimplify.c (omp_add_variable): Guard variable size decl test with
9858 DECL_SIZE (decl) check.
9860 2006-02-23 Richard Guenther <rguenther@suse.de>
9863 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9864 like aggregate types.
9866 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9868 * configure.ac: Add --with{,out}-long-double-128 configure option.
9869 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9870 * configure: Rebuilt.
9871 * config.in: Rebuilt.
9872 * doc/install.texi (Options specification): Document
9873 --with-long-double-128.
9875 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9876 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9877 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9878 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9880 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9882 * config/s390/s390.c (override_options): Handle
9883 TARGET_DEFAULT_LONG_DOUBLE_128.
9885 * config/alpha/alpha.c (override_options): Handle
9886 TARGET_DEFAULT_LONG_DOUBLE_128.
9888 * config/sparc/sparc.c (sparc_override_options): Handle
9889 TARGET_DEFAULT_LONG_DOUBLE_128.
9891 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9893 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9894 (real-install-headers-tar, real-install-headers-cpio)
9895 (real-install-headers-cp): New targets.
9897 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9899 * tree.h (variable_section): Delete.
9900 * varasm.c (variable_section): Delete.
9902 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9904 * install.texi: Add notes on install.texi2html.
9905 (Building in parallel): Do not use footnotes.
9907 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9910 * doc/install.texi (Configuration): Document --disable-libgomp.
9912 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9914 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9916 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9918 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9919 (vec_extractv2df_0_sse): New.
9921 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9923 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9924 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9925 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9926 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9927 to the result of the expression.
9928 (def_cfa_1): Adjust.
9929 (frame_pointer_cfa_offset): Rename to...
9930 (frame_pointer_fb_offset): ... this. Adjust all uses.
9931 (convert_cfa_to_loc_list): Rename to...
9932 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9933 Pass it on to build_cfa_loc.
9934 (compute_frame_pointer_to_cfa_displacement): Rename to...
9935 (compute_frame_pointer_to_fb_displacement): ... this. New
9936 offset parameter. Use it in computation.
9937 (gen_subprogram_die): Compute cfa_fb_offset with the new
9938 macro, and use it to compute the fb loc list and the
9941 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9943 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9944 replaced with register_operand.
9945 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9946 non-DREG is expensive.
9947 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9948 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9951 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9953 * doc/install.texi2html: Use set -e.
9955 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9957 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9958 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9959 * doc/invoke.texi (-fshared-data): Delete.
9960 * common.opt (fshared-data): Delete.
9961 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9962 (assemble_static_space): Remove #if 0 code.
9963 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9964 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9965 * config/cris/cris.h: Remove FIXME.
9967 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9969 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9972 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9975 * combine.c (simplify_shift_const_1): Disable nested shifts
9976 optimization for vector shifts.
9978 2006-02-20 Roger Sayle <roger@eyesopen.com>
9980 PR tree-optimization/26361
9981 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9982 of unsigned integer types.
9984 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9986 * tree-chrec.c (eq_evolutions_p): New.
9987 * tree-chrec.h (eq_evolutions_p): Declared.
9988 * tree-data-ref.c: Fix formatting.
9989 (datadep_stats, dependence_stats): New.
9991 (print_direction_vector): New.
9992 (dump_data_dependence_relation): Use print_direction_vector.
9993 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9994 (compute_subscript_distance): Static.
9995 (initialize_data_dependence_relation): Static. Get the number
9996 of loops surrounding the references from the callers, and initialize
9997 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9998 base_object_differ_p analyzers.
9999 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10000 compute_overlap_steps_for_affine_1_2,
10001 analyze_subscript_affine_affine): Count the classified dependences.
10002 Print a message when a test failed.
10003 (can_use_analyze_subscript_affine_affine): New.
10004 (analyze_siv_subscript): Compute the data dependences on symbolic
10005 scevs that verify can_use_analyze_subscript_affine_affine.
10006 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10007 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10008 Handle symbolic scevs.
10009 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10011 (subscript_dependence_tester): Moved...
10012 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10013 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10014 DDR_SIZE_VECT instead of getting it in parameter.
10015 (subscript_dependence_tester): ... here. Take as a parameter
10016 loop_nest_depth. Call build_classic_dist_vector and
10017 build_classic_dir_vector.
10018 (compute_affine_dependence): Update subscript_dependence_tester
10019 parameters. Update datadep_stats counters. Call
10020 compute_subscript_distance.
10021 (compute_self_dependence): Save the dist and dir vectors. Call
10022 compute_subscript_distance.
10023 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10024 (compute_all_dependences): Reorder parameters as they were before
10025 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10026 compute_subscript_distance. Update the use of
10027 compute_affine_dependence and initialize_data_dependence_relation.
10028 (find_data_references_in_loop): Handle COMPONENT_REF.
10029 (compute_data_dependences_for_loop): Initialize dependence_stats.
10030 Don't call build_classic_dist_vector and build_classic_dir_vector.
10031 Update the parameters of initialize_data_dependence_relation and
10032 compute_all_dependences. Print the statistics from datadep_stats.
10033 (analyze_all_data_dependences): Static. Not used until the pass for
10034 checking the data dependences is contributed.
10035 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10036 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10037 (initialize_data_dependence_relation, compute_affine_dependence,
10038 analyze_all_data_dependences, compute_subscript_distance): Removed.
10039 (print_direction_vector): New.
10040 * lambda.h (gcd): ... here.
10041 (lambda_vector_gcd): Moved here from gcd_vector.
10042 * lambda-code.c (gcd, gcd_vector): Removed.
10043 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10044 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10046 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10048 * ipa-type-escape.c: Tidy some comments and white space.
10049 * tree-ssa-operands.c: Likewise.
10051 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10054 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10055 (dump_decl_name): Do not walk the decl tree chains.
10056 * tree-pass.h (TDF_CHAIN): Remove.
10058 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10060 * Makefile.in (C): Remove
10062 (.PHONY): Remove C and PROTO
10064 2006-02-20 Roger Sayle <roger@eyesopen.com>
10066 PR middle-end/26236
10067 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10068 deprecated CHAR_TYPE tree code.
10070 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10072 * configure.ac (target_list): Add install-info, dvi, html.
10073 * configure: Regenerate.
10075 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10076 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10077 treelang/Make-lang.in: Do not use double-colon rules.
10079 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10081 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10082 (TMT_USED_ALONE): New macro.
10083 * tree-pass.h (PROP_tmt_usage): New property.
10084 (TODO_update_tmt_usage): New todo.
10085 * tree-ssa-alias.c (updating_used_alone): New variable.
10086 (recalculate_used_alone): New function.
10087 (compute_may_aliases): Set updating_used_alone, call
10088 recalculate_used_alone.
10089 * tree-sra.c (pass_sra): Note that this pass destroys
10090 PROP_tmt_usage, and add TODO_update_tmt_usage.
10091 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10092 * tree-flow.h (updating_used_alone): Prototype.
10093 (recalculate_used_alone): Ditto.
10094 * passes.c (execute_todo): Add code to set updating_used_alone,
10095 and call recalculate.
10096 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10097 for clobber if used alone, and add assert to verify used_alone
10100 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10102 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10103 for non tls symbols added.
10104 (legitimize_address): Do nothing for PLUS expressions if one of the
10105 addends is a tls symbol reference.
10107 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10111 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10113 * Makefile.in (BOOTSTRAPPING): New.
10114 (quickstrap): New definition if BOOTSTRAPPING=yes.
10116 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10117 * configure.ac: Substitute all_selected_languages with the languages
10118 that were configured. For all the other variables except
10119 lang_specs_files, include all the languages in the tree.
10120 * configure: Regenerate.
10122 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10123 if there is one. Run the commands to run fixincludes in the same
10126 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10127 * doc/install.texi: Document exact conventions for searching target tools.
10128 Document --with-build-time-tools. Document toplevel bootstrap. Document
10129 something more about building an Ada cross-compiler. Don't list GNU Make
10130 requirements which affect all platforms.
10132 2006-02-19 Roger Sayle <roger@eyesopen.com>
10134 PR middle-end/19543
10135 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10136 only equivalent if the have both the same mode and precision.
10138 2006-02-20 Ben Elliston <bje@au.ibm.com>
10140 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10142 2006-02-19 Roger Sayle <roger@eyesopen.com>
10143 Steven Bosscher <stevenb.gcc@gmail.com>
10145 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10146 constant pool references to identify stack mode constants.
10147 * rtlanal.c (constant_pool_constant_p): New predicate to check
10148 whether operand is a floating point constant in the pool.
10149 * rtl.h (constant_pool_constant_p): Prototype here.
10150 * loop.c (scan_loop): Avoid hoisting constants from the constant
10151 pool on STACK_REGS targets.
10152 (load_mems): Likewise.
10153 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10154 loads into x87 registers expensive in terms of register pressure.
10156 2006-02-19 Roger Sayle <roger@eyesopen.com>
10158 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10159 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10161 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10163 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10164 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10166 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10168 * doc/invoke.texi: Document -fipa-pta.
10169 * common.opt: Add ipa-pta option.
10170 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10171 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10172 (do_ds_constraint): Ditto.
10173 (get_constraint_for): Only add to referenced_vars if
10174 referenced_vars exists.
10175 (insert_into_field_list): Rewrite to do this unsorted.
10176 (insert_into_field_list_sorted): Rename old insert_into_field_list
10178 (create_function_info_for): Use insert_into_field_list_sorted.
10179 (create_variable_info_for): Rewrite so it uses unsorted version,
10180 since the field list is sorted.
10181 (intra_create_variable_infos): Only add to referenced_vars if
10182 referenced_vars exists.
10183 (ipa_pta_execute): Init heapvars, and delete when done.
10184 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10186 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10188 * doc/install.texi: Add missing `@samp'.
10190 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10192 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10195 2006-02-18 Mark Wielaard <mark@klomp.org>
10197 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10198 who added new 4.1 features, bug fixes and integration support.
10200 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10203 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10204 MEM for ABI_V4 pic.
10206 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10208 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10209 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10210 (copy_insn_1): Likewise. Don't copy each field individually.
10212 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10214 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10215 * rtl.c (rtx_size): Rename variable to...
10216 (rtx_code_size): ...this.
10217 (rtx_size): New function.
10218 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10219 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10221 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10222 * rtl.h (rtx_code_size): New variable.
10223 (rtx_size): Change from a variable to a function.
10224 (RTX_SIZE): Rename to...
10225 (RTX_CODE_SIZE): ...this.
10228 PR tree-optimization/17106
10229 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10230 (Anchored Addresses): New section.
10231 * doc/invoke.texi (-fsection-anchors): Document.
10232 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10233 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10234 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10235 * hooks.c (hook_bool_mode_rtx_false): New function.
10236 * hooks.h (hook_bool_mode_rtx_false): Declare.
10237 * gengtype.c (create_optional_field): New function.
10238 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10239 SYMBOL_REF_IN_BLOCK_P is true.
10240 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10241 (min_anchor_offset, max_anchor_offset): Likewise.
10242 (use_anchors_for_symbol_p): New hook.
10243 * toplev.c (compile_file): Call output_object_blocks.
10244 (target_supports_section_anchors_p): New function.
10245 (process_options): Check that -fsection-anchors is only used on
10246 targets that support it and when -funit-at-a-time is in effect.
10247 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10248 if the decl doesn't have one.
10249 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10250 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10251 of force_const_mem through use_anchored_address.
10252 (expand_expr_constant): New function.
10253 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10254 calling expand_expr for INDIRECT_REF.
10255 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10256 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10257 * expr.h (use_anchored_address): Declare.
10258 * loop-unroll.c: Don't declare rtx vectors here.
10259 * explow.c: Include output.h.
10260 (validize_mem): Call use_anchored_address.
10261 (use_anchored_address): New function.
10262 * common.opt (-fsection-anchors): New switch.
10263 * varasm.c (object_block_htab, anchor_labelno): New variables.
10264 (hash_section, object_block_entry_eq, object_block_entry_hash)
10265 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10266 (use_blocks_for_decl_p, change_symbol_section): New functions.
10267 (get_variable_section): New function, split out from assemble_variable.
10268 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10269 use_blocks_for_decl_p say so. Use change_symbol_section if the
10270 symbol has already been created.
10271 (assemble_variable_contents): New function, split out from...
10272 (assemble_variable): ...here. Don't output any code for
10273 block symbols; just pass them to place_block_symbol.
10274 Use get_variable_section and assemble_variable_contents.
10275 (get_constant_alignment, get_constant_section, get_constant_size): New
10276 functions, split from output_constant_def_contents.
10277 (build_constant_desc): Create a block symbol if use_object_blocks_p
10278 says so. Or into SYMBOL_REF_FLAGS.
10279 (assemble_constant_contents): New function, split from...
10280 (output_constant_def_contents): ...here. Don't output any code
10281 for block symbols; just pass them to place_section_symbol.
10282 Use get_constant_section and get_constant_alignment.
10283 (force_const_mem): Create a block symbol if use_object_blocks_p and
10284 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10285 (output_constant_pool_1): Add an explicit alignment argument.
10286 Don't switch sections here.
10287 (output_constant_pool): Adjust call to output_constant_pool_1.
10288 Switch sections here instead. Don't output anything for block symbols;
10289 just pass them to place_block_symbol.
10290 (init_varasm_once): Initialize object_block_htab.
10291 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10292 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10293 (place_block_symbol, get_section_anchor, output_object_block)
10294 (output_object_block_htab, output_object_blocks): New functions.
10295 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10296 (TARGET_ASM_OUT): Include it.
10297 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10298 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10299 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10300 (TARGET_INITIALIZER): Include them.
10301 * rtl.c (rtl_check_failed_block_symbol): New function.
10302 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10303 (block_symbol, object_block): New structures.
10304 (rtx_def): Add a block_symbol field to the union.
10305 (BLOCK_SYMBOL_CHECK): New macro.
10306 (rtl_check_failed_block_symbol): Declare.
10307 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10308 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10309 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10310 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10311 * output.h (output_section_symbols): Declare.
10312 (object_block): Name structure.
10313 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10314 (default_use_anchors_for_symbol_p): Declare.
10315 * Makefile.in (RTL_BASE_H): Add vec.h.
10316 (explow.o): Depend on output.h.
10317 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10318 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10319 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10320 (rs6000_use_blocks_for_constant_p): New function.
10322 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10324 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10326 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10329 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10332 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10334 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10338 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10340 PR middle-end/26334
10341 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10342 instead of DECL_REGISTER.
10344 2006-02-18 Olivier Hainque <hainque@adacore.com>
10347 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10349 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10352 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10353 * opth-gen.awk: Handle Var and InverseMask together.
10354 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10355 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10356 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10357 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10359 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10360 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10361 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10362 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10363 LINUX_DYNAMIC_LINKER): Define.
10364 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10365 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10367 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10368 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10369 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10370 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10371 (TARGET_C99_FUNCTIONS): Don't define.
10372 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10373 GLIBC_DYNAMIC_LINKER.
10374 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10375 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10376 GLIBC_DYNAMIC_LINKER64): Define.
10377 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10378 LINUX_DYNAMIC_LINKER64.
10379 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10380 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10381 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10382 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10383 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10384 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10385 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10386 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10387 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10388 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10389 and LINUX_DYNAMIC_LINKER32.
10390 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10391 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10392 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10393 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10394 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10396 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10397 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10398 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10399 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10400 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10401 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10402 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10403 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10404 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10405 LINUX_DYNAMIC_LINKER): Define.
10406 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10407 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10408 GLIBC_DYNAMIC_LINKER64): Define.
10409 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10410 LINUX_DYNAMIC_LINKER64.
10411 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10412 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10413 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10414 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10415 LINUX_DYNAMIC_LINKER): Define.
10416 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10417 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10418 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10419 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10420 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10421 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10422 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10423 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10424 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10425 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10426 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10427 * doc/invoke.texi (-muclibc): Remove caveat about supported
10430 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10432 * doc/cpp.texi (__TIMESTAMP__): Document.
10434 2006-02-17 Roger Sayle <roger@eyesopen.com>
10436 PR middle-end/25600
10437 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10438 C is one less than the width of X (and related transformations).
10439 * simplify-rtx.c (simplify_unary_operation_1): Transform
10440 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10441 depending on STORE_FLAG_VALUE, were C is one less then the
10444 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10446 Fix PR tree-optimization/26341
10447 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10448 about NAME_MEMORY_TAG's.
10450 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10453 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10454 with hardware float support, and software float support. Add fcpy
10455 alternative to hardware patterns. Add alternatives to copy between
10456 general and floating-point registers to the 32-bit pattern.
10457 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10458 secondary reload to load a QI or HI mode constant into a floating
10460 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10461 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10463 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10466 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10468 (load_macho_picbase_di): Likewise.
10470 2006-02-16 Jeff Law <law@redhat.com>
10472 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10473 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10474 (ssa_name_nonzero_p): Likewise.
10475 (get_value_range): Return NULL if VRP is not running.
10476 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10477 VRP routines do not discover a range.
10478 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10479 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10480 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10481 (tree_expr_nonnegative_p): Similarly.
10482 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10483 (restore_nonzero_vars_to_original_value): Remove.
10484 (unsafe_associative_fp_binop): Remove.
10485 (tree_ssa_dominator_optimize): Remove initialization and
10486 finalization of nonzero_vars and nonzero_vars_stack.
10487 (dom_opt_initialize_block): No longer push marker on
10488 nonzero_vars_stack.
10489 (dom_opt_finalize_block): No longer call
10490 restore_nonzero_vars_to_original_value.
10491 (record_equivalences_from_phis): No longer look for
10492 nonzero PHI arguments.
10493 (cprop_into_successor_phis): No longer propagate nonzero
10494 property into PHI arguments. Lose unused argument. Caller
10496 (record_equivalences_from_stmt): No longer record nonzero
10497 values for SSA_NAMEs.
10498 (lookup_avail_expr): No longer use nonzero_vars.
10500 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10501 for sizetype when sizetype is unsigned.
10503 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10505 PR rtl-optimization/25603
10506 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10507 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10508 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10509 with new meaning of SETS.
10511 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10516 * config/linux.opt: New file.
10517 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10518 LINUX_DYNAMIC_LINKER): Define.
10519 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10520 * config.gcc (*-*-linux*): Define extra_options.
10521 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10522 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10523 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10524 GLIBC_DYNAMIC_LINKER.
10525 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10526 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10527 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10528 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10529 * doc/invoke.texi (GNU/Linux Options): New section.
10531 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10533 * config/sparc/sparc.md (setjmp): Rewrite.
10534 (setjmp_32): Delete.
10535 (setjmp_64): Likewise.
10537 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10539 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10542 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10544 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10547 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10549 PR rtl-optimization/26296
10550 * Makefile.in (loop-invariant.c): Add except.h dependency.
10551 * loop-invariant.c: Include except.h.
10552 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10554 2005-02-16 Paul Brook <paul@codesourcery.com>
10556 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10559 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10561 PR rtl-optimization/25636
10562 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10563 when deciding whether an insn is an initializing insn.
10565 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10567 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10568 (tree_code_size): Ditto.
10569 * tree.h (struct tree_memory_tag): Remove parent_var.
10570 (struct tree_struct_field_tag): New.
10573 (union tree_node): Add sft member.
10574 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10576 (create_sft): Add size and offset argument, set SFT_OFFSET and
10578 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10579 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10580 * tree-flow-inline.h (get_subvar_at): Update for
10581 SFT_OFFSET/SFT_SIZE.
10582 (var_can_have_subvars): Ditto.
10583 (overlap_subvar): Ditto.
10584 * print-tree.c (print_node): Print out interesting things for
10586 * tree-flow.h (struct subvar): Remove offset and size members.
10587 * tree-ssa-operands.c (get_expr_operands): Update for
10588 get_indirect_ref_operands changes.
10589 (get_indirect_ref_operands): Call add_virtual_operand instead of
10590 add_stmt_operand. Only recurse on base var if requested.
10591 (access_can_touch_variable): New function.
10592 (add_stmt_operand): Split virtual operand handling into ...
10593 (add_virtual_operand): Here. Add offset, size, and for_clobber
10594 arguments. Prune alias sets.
10595 (add_call_clobber_ops): Call add_virtual_operand.
10597 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10599 PR middle-end/26300
10600 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10602 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10603 than TREE_CODE as index into omp_clause_num_ops array.
10605 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10607 PR rtl-optimization/26184
10608 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10610 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10611 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10612 must_precede, must_follow and tobe_scheduled.
10615 * opts.c (common_handle_option): Free new_option pointer.
10616 * df-core.c (df_analyze): Free postorder pointer.
10618 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10620 * Makefile.in: Fix the examples about the use of stamps
10622 2006-02-15 Michael Matz <matz@suse.de>
10624 PR middle-end/22275
10626 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10627 influenced by maximum_field_alignment or DECL_PACKED.
10628 (update_alignment_for_field): Ditto.
10629 (place_field): Ditto.
10630 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10633 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10635 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10636 (debug_flow_info): Pass it.
10637 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10638 * bb-reorder.c (reorder_basic_blocks): Likewise.
10639 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10640 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10641 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10642 * gcse.c (gcse_main, bypass_jumps): Likewise.
10643 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10644 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10645 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10646 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10647 * rtl.h (dump_flow_info): Adjust prototype.
10648 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10649 * var-tracking.c (variable_tracking_main): Likewise.
10650 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10651 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10654 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10656 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10659 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10661 PR tree-optimization/26209
10662 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10663 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10665 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10667 2006-02-14 Roger Sayle <roger@eyesopen.com>
10669 PR middle-end/23670
10670 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10671 (X,Y) and the corresponding symmetry related transformations.
10672 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10673 (X,Y) and its symmetry related transformations.
10675 2006-02-14 Roger Sayle <roger@eyesopen.com>
10677 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10680 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10682 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10684 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10687 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10688 support COMDAT group.
10689 * configure: Regenerate.
10691 2006-02-14 Roger Sayle <roger@eyesopen.com>
10693 PR middle-end/26279
10694 PR middle-end/26280
10695 PR middle-end/26283
10696 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10698 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10700 Fix PR tree-optimization/26260
10702 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10704 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10705 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10706 * tree-ssa-structalias.c (create_variable_info_for): Use
10707 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10709 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10711 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10713 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10714 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10715 of the ending condition.
10716 * tree-ssa-loop-manip.c: Include params.h.
10717 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10718 tree_unroll_loop): New functions.
10719 * tree-pass.h (pass_loop_prefetch): Declare.
10720 * loop.c (rest_of_handle_loop_optimize): Test for
10721 -fprefetch-loop-arrays-rtl.
10722 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10723 * timevar.def (TV_TREE_PREFETCH): New timevar.
10724 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10725 pass_loop_prefetch): New.
10726 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10727 (cleanup_tree_cfg_loop): Call scev_reset.
10728 * common.opt (fprefetch-loop-arrays-rtl): Add.
10729 * tree-ssa-loop-prefetch.c: New file.
10730 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10731 (new_temp_expr_table): Initialize expr_vars.
10732 (free_temp_expr_table): Cleanup expr_vars.
10733 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10734 expressions from being merged into one.
10735 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10736 (struct tree_niter_desc): Add control, bound and cmp fields.
10737 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10739 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10740 (tree-cfgcleanup.o): Add SCEV_H dependency.
10741 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10742 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10744 2006-02-14 Richard Guenther <rguenther@suse.de>
10746 PR tree-optimization/26258
10747 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10748 in PHI argument processing.
10750 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10752 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10753 new expression in the requested machine mode.
10755 2006-02-13 Roger Sayle <roger@eyesopen.com>
10757 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10758 directly, instead let do_compare_rtx_and_jump handle this for us.
10759 * expr.c (expand_expr_real_1): Likewise.
10760 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10761 before do_jump_by_parts_greater.
10762 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10763 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10765 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10767 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10769 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10771 PR rtl-optimization/26235
10772 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10773 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10776 2006-02-13 Jeff Law <law@redhat.com>
10778 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10781 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10783 PR middle-end/26092
10784 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10785 twice if decl is a builtin. When trying again, call get_callee_fndecl
10786 first to verify it is still a builtin.
10788 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10790 * dwarf2out.c (base_type_die): Don't add AT_name here.
10791 (subrange_type_die): Don't add AT_name here.
10792 (modified_type_die): Rearrange code flow. Do add AT_name here.
10794 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10796 PR rtl-optimization/26247
10797 PR rtl-optimization/26248
10798 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10800 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10802 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10803 * config/fixtfdi.c: Likewise.
10804 * config/fixunstfdi.c: Likewise.
10805 * config/floatditf.c: Likewise.
10807 2006-02-13 Roger Sayle <roger@eyesopen.com>
10809 PR middle-end/24427
10810 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10811 into (X,C2) if C1 is a subset of the bits of C2. Transform
10812 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10814 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10816 2006-02-13 Josh Conner <jconner@apple.com>
10819 * varasm.c (function_section): Check for section name before
10820 calling select_section on targets that define
10821 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10822 unlikely_text_section instead of hot_function_section if
10823 first_function_block_is_cold.
10825 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10827 PR middle-end/25335
10828 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10830 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10832 PR rtl-optimization/26222
10833 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10834 after tree->rtl expansion.
10835 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10836 before passing it to emit_move_insn.
10838 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10840 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10842 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10843 Clarify documentation.
10844 * c-common.h (warn_write_strings): Remove.
10845 * c-common.c (warn_write_strings): Likewise.
10846 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10849 2006-02-12 Roger Sayle <roger@eyesopen.com>
10851 PR middle-end/25724
10852 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10853 (do_jump_parts_zero_rtx): New function renamed from
10854 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10855 (do_jump_parts_equality_rtx): New function split out from
10856 do_jump_parts_equality. Old implementation renamed as above.
10857 Call do_jump_parts_zero_rtx if either operand is zero.
10858 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10859 do all of the heavy lifting.
10860 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10861 calling either do_jump_by_parts_greater_rtx or
10862 do_jump_by_parts_equality_rtx.
10863 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10864 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10865 moved to do_compare_rtx_and_jump, call it directly.
10866 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10867 mode argument. Call do_compare_rtx_and_jump.
10868 (emit_case_nodes): Update calls to do_jump_if_equal.
10870 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10872 PR rtl-optimization/26225
10873 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10875 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10877 PR rtl-optimization/26232
10878 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10880 2006-02-11 Jason Merrill <jason@redhat.com>
10883 * tree-inline.c (declare_return_variable): Just don't use the
10884 modify target if it's a gimple complex reg and the return slot
10887 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10889 * doc/contrib.texi: Update my entry.
10891 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10893 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10895 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10897 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10900 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10902 * doc/invoke.texi (-floop-optimize2): Removed.
10903 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10904 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10905 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10906 * common.opt (floop-optimize2): Removed.
10907 (fmove-loop-invariants): Enabled by default.
10909 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10911 * tree-if-conv.c (combine_blocks): Free the result of
10912 get_loop_exit_edges.
10914 2006-02-10 Jeff Law <law@redhat.com>
10916 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10918 PR tree-optimization/26213
10919 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10920 loop trying to follow SSA_NAME_VALUE chains.
10922 2006-02-10 Richard Guenther <rguenther@suse.de>
10924 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10925 deal with structures that end in implicitly variable sized arrays.
10927 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10929 PR rtl-optimization/24762
10930 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10933 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10935 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10936 (struct ivopts_data): Add regs_used field.
10937 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10938 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10939 instead of loop_data->regs_used;
10940 (free_loop_data): Do not free aux fields for loops.
10941 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10942 and tree_ssa_iv_optimize_finalize.
10944 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10946 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10948 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10951 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10952 computing the effective result type.
10954 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10956 PR inline-asm/16194
10957 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10958 (tree_overlaps_hard_reg_set): Declare.
10959 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10960 type and signature to match function type expected by walk_tree.
10961 (tree_overlaps_hard_reg_set): New function.
10962 (decl_conflicts_with_clobbers_p): Rename to:
10963 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10964 Use tree_overlaps_hard_reg_set. Changed caller.
10965 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10966 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10967 * cris.c (cris_md_asm_clobbers): Likewise.
10969 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10971 * reload1.c (emit_input_reload_insns): Delete code that tries to
10972 inherit using find_equiv_reg.
10974 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10976 * c-common.h (flag_const_strings): Don't declare.
10977 * c-common.c (flag_const_strings): Remove.
10978 * c.opt (fconst_strings): Remove.
10979 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10980 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10981 (c_common_init_options): Don't set flag_const_strings.
10982 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10984 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10986 * arm.md (tlobits_cbranch): New pattern.
10987 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10988 testing a single bit.
10990 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10993 * tree-ssa-pre.c (create_component_ref_by_pieces):
10994 Handle RETURN_DECL like VAR_DECL.
10996 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10998 PR middle-end/26134
10999 * fold-const.c (fold_indirect_ref_1): Fold
11000 "*(foo *)&complexfoo" to "__real__ complexfoo"
11001 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11003 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11005 * tree-flow-inline.h (var_can_have_subvars):
11006 Volatile variables should not have subvariables.
11008 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11011 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11012 multiplying unsigned values.
11015 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11017 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11019 2006-02-08 Jason Merrill <jason@redhat.com>
11022 * tree.def: Elaborate on difference from MODIFY_EXPR.
11023 * doc/c-tree.texi (INIT_EXPR): Likewise.
11024 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11025 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11026 (gimplify_target_expr): Likewise.
11027 (gimplify_cond_expr): Remove target handling.
11028 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11029 (gimplify_expr): Clobber it here.
11030 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11031 Do return slot optimization if we have an INIT_EXPR.
11034 * tree-inline.c (declare_return_variable): Also clear
11035 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11038 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11040 PR middle-end/22439
11041 * gimplify.c (gimplify_one_sizepos): Fix typo.
11043 2006-02-08 Jeff Law <law@redhat.com>
11045 PR tree-optimization/21417
11046 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11047 across a backedge if the control statement at the end of the
11048 block is data dependent on other statements in the same block.
11049 (record_temporary_equivalences_from_stmts): Remove over-conservative
11050 test for threading across backedges.
11052 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11053 control statement, handle all three special cases in the same
11054 manner as they all have the same desired solution. No longer
11055 special case edge flag updating when the post dominator is
11058 2006-02-08 Roger Sayle <roger@eyesopen.com>
11060 * tree.def (CHAR_TYPE): Remove.
11061 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11062 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11063 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11064 (gen_string_type_die): Delete unreachable function.
11066 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11067 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11068 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11069 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11070 * builtins.c (type_to_class): Likewise.
11071 * fold-const.c (fold_convert, build_range_check,
11072 merge_ranges): Likewise.
11073 * expr.c (count_type_elements): Likewise.
11074 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11075 * stor-layout.c (layout_type): Likewise.
11076 * ipa-type-escape.c (type_to_consider): Likewise.
11077 * gimplify.c (omp_firstprivatize_type_sizes,
11078 gimplify_type_sizes): Likewise.
11079 * explow.c (promote_mode): Likewise.
11080 * tree-sra.c (is_sra_scalar_type): Likewise.
11081 * varasm.c (output_constant): Likewise.
11082 * tree-inline.c (remap_type_1): Likewise.
11083 * convert.c (convert_to_pointer, convert_to_real,
11084 convert_to_integer, convert_to_complex): Likewise.
11086 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11088 * df-scan.c (df_def_record_1): A set destination may
11089 be a parallel regardless of mode.
11091 2006-02-08 Roger Sayle <roger@eyesopen.com>
11094 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11095 * config/mips/_tilib.c: Remove.
11096 * config/fixtfdi.c: New libgcc source file.
11097 * config/fixunstfdi.c: New source file.
11098 * config/floatditf.c: New source file.
11099 * config/floatunditf.c: New souce file.
11100 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11101 files above instead of config/mips/_tilib.c.
11102 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11104 2006-02-08 Jeff Law <law@redhat.com>
11106 PR tree-optimization/26169
11107 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11110 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11112 * df.h (DF_REG_SIZE): Return the length of the initialized
11115 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11117 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11118 __muldf3): Return a correctly signed zero.
11120 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11122 * passes.c (register_one_dump_file): Accept the current properties
11123 instead of pass number. Adjust call to dump_register. Remove
11125 (register_dump_files): Now a wrapper around...
11126 (register_dump_files_1): ... this one. Do not modify the pass
11128 (next_pass_1): Cosmetic fix.
11129 (execute_todo): Keep second parameter only. Use curr_properties
11130 instead of fetching it from the pass structure. Check and set
11132 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11133 instead of fetching it from the pass structure. Fix calls to
11134 execute_todo. Update curr_properties and initialize .vcg RTL dump
11135 after running the pass. Reset last_verified.
11136 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11138 (FIRST_AUTO_NUMBERED_DUMP): New.
11139 (dump_register): Remove "num" parameter, assign it within the
11141 (get_dump_file_name): Modify template for dumps.
11142 * tree-dump.h (dump_register): Adjust prototype.
11143 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11144 (PROP_trees): Add PROP_gimple_lomp.
11145 (TODO_set_props): New.
11146 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11147 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11148 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11150 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11152 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11153 (sparc64-*-linux*): Likewise.
11154 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11155 * config/sparc/t-linux: New file.
11156 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11157 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11158 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11159 -m32 -mlong-double-128.
11161 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11162 * config/alpha/t-linux: New file.
11163 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11165 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11166 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11167 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11168 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11169 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11170 (CPP_ARCH32_SPEC): Remove.
11172 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11174 PR tree-optimization/26145
11175 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11178 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11181 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11182 >= 240000 when generating code for SOM runtime.
11183 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11184 to $$dyncall when generating code for SOM runtime..
11186 2006-02-07 Dirk Mueller <dmueller@suse.com>
11189 * doc/invoke.texi (-Wsequence-point): Update documentation
11190 that -Wsequence-point is implemented for C++ as well.
11192 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11194 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11195 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11196 (LIB_SPEC): Likewise.
11197 * doc/invoke.texi (SPARC options): Document -pthread.
11199 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11201 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11204 2006-02-07 Roger Sayle <roger@eyesopen.com>
11206 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11207 Correct comment describing BOOLEAN_TYPE.
11209 2006-02-07 Dirk Mueller <dmueller@suse.com>
11211 * c.opt: C++ frontend supports -Wdiv-by-zero.
11212 * c-opts.c (c_common_handle_option): Remove dead case.
11214 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11216 * configure.ac (TLS assembler check): Do not enable TLS by
11217 default on SPARC/Solaris before version 10.
11218 * configure: Regenerate.
11220 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11222 * doc/invoke.texi (xl-compat): Document conversion and support
11225 2006-02-07 Jeff Law <law@redhat.com>
11227 * tree-vrp.c (find_conditional_asserts): Update comments.
11228 (simplify_stmt_for_jump_threading): New.
11229 (identify_jump_threads, finalize_jump_threads): New.
11230 (vrp_finalize): Call identify_jump_threads.
11231 (execute_vrp): Call finalize_jump_threads.
11232 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11233 (vrp_element, vrp_data, vrp_element_p): Remove.
11234 (vrp_hash_elt, vrp_variables_stack): Remove.
11235 (vrp_hash, vrp_eq, record_range): Remove.
11236 (simplify_cond_and_lookup_avail_expr): Remove.
11237 (extract_range_from_cond): Remove.
11238 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11239 (simplify_stmt_for_jump_threading): New.
11240 (dom_thread_across_edge): New wrapper.
11241 (tree_ssa_dominator_optimize): No longer initialize or
11242 finalize any of the VRP datastructures. Remove iteration
11243 step and simplify as a result of removal of iteration step.
11244 (pass_dominator): Perform a cfg cleanup after DOM.
11245 (dom_opt_finalize_block): Use the new common routines
11246 for threading jumps. Simplify stack management slightly.
11247 No longer need to unwind VRP state.
11248 (record_equivalences_from_incoming_edge): No longer record
11250 (eliminate_redundant_computations): No longer call
11251 simplify_cond_and_lookup_avail_expr.
11252 * tree-flow.h (potentially_threadable_block): Prototype.
11253 (thread_across_edge): Likewise.
11254 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11255 (tree-ssa-threadedge.o): Add dependencies.
11256 * tree-ssa-threadedge.c: New file.
11257 * passes.c (init_optimization_passes): Merge PHIs before
11258 calling VRP. Run VRP again late in the SSA optimization pipeline.
11260 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11262 * df-core.c (df_set_blocks): Do not dereference function pointers.
11263 (df_finish1): Likewise.
11264 (df_hybrid_search_forward): Likewise.
11265 (df_hybrid_search_backward): Likewise.
11266 (df_iterative_dataflow): Likewise.
11267 (df_analyze_problem): Likewise.
11268 (df_compact_blocks): Likewise.
11269 (df_dump): Likewise.
11270 * df-scan.c (df_rescan_blocks): Likewise.
11271 (df_record_entry_block_defs): Likewise.
11273 * genconditions.c (write_conditions): Guard the definition of
11274 'insn_conditions' with the check on GCC version.
11275 (write_writer): Guard the traversal 'insn_conditions' with
11276 the check on GCC version.
11278 2006-02-07 Richard Guenther <rguenther@suse.de>
11282 2006-01-30 Richard Guenther <rguenther@suse.de>
11284 * gimplify.c (gimplify_target_expr): Handle easy cases
11285 without creating a temporary.
11287 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11289 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11290 use of float in probability computations. Use edge probabilities
11291 in place of statically computed probabilities.
11292 (min_spec_prob): New static variable.
11293 (schedule_insns): Initialize it.
11294 (GET_SRC_PROB): Removed.
11295 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11297 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11300 * config/ia64/unwind-ia64.c: Revert last change.
11301 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11302 (INCOMING_FRAME_SP_OFFSET): Define.
11304 2006-02-06 Roger Sayle <roger@eyesopen.com>
11306 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11308 2006-02-07 Ben Elliston <bje@au.ibm.com>
11310 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11311 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11312 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11313 (ix86_return_in_memory): Handle TDmode.
11314 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11315 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11317 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11319 * reorg.c (dbr_schedule): Use dump_file instead of file.
11321 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11324 * config/ia64/predicates.md (extr_len_operand): New predicate.
11325 * config/ia64/ia64.md (extv): Tighten constraints.
11327 (*tbit_and_2): Ditto.
11328 (*tbit_and_3): Ditto.
11329 (*tbit_or_2): Ditto.
11330 (*tbit_or_3): Ditto.
11331 (*bit_zero): Ditto.
11334 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11337 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11339 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11341 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11342 loop_optimizer_init and loop_optimizer_finalize
11343 * tree-ssa-sink.c (execute_sink_code): Ditto.
11344 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11345 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11346 tree_ssa_loop_done): Ditto.
11347 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11348 * sched-ebb.c: Include output.h.
11349 (schedule_ebbs): Do not use dump argument.
11350 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11351 * loop.c (loop_dump_stream): Removed.
11352 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11354 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11355 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11356 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11357 loop_iterations, strength_reduce, record_biv, record_giv,
11358 final_giv_value, check_final_value, check_ext_dependent_givs,
11359 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11360 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11361 dump_file instead of loop_dump_stream.
11362 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11363 argument dump_file.
11364 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11366 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11367 * haifa-sched.c: Include output.h
11368 (schedule_insns, sched_init): Do not use dump argument.
11369 * mode-switching.c (optimize_mode_switching): Ditto.
11370 * modulo-sched.c (stats_file): Removed.
11371 (print_node_sched_params): Do not call argument dump_file.
11372 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11373 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11375 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11377 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11378 rtl_loop_init, rtl_loop_done): Ditto.
11379 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11380 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11382 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11383 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11384 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11385 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11386 * emit-rtl.c (renumber_insns): Ditto.
11387 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11388 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11389 * regclass.c (regclass): Ditto.
11390 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11391 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11392 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11393 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11395 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11396 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11398 * gcse.c (gcse_file, debug_stderr): Removed.
11399 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11400 rest_of_handle_gcse): Do not use dump argument.
11401 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11402 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11403 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11404 compute_code_hoist_vbeinout, compute_code_hoist_data,
11405 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11406 compute_store_table, build_store_vectors, insert_insn_start_bb,
11407 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11408 store_motion): Use dump_file instead of gcse_file.
11409 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11410 * profile.c (profile_dump_file): Removed.
11411 (branch_prob): Use dump_file instead of profile_dump_file.
11412 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11414 * tree-ssa-copy.c (dump_copy_of): Ditto.
11415 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11416 dump file to life_analysis.
11417 * bt-load.c (branch_target_load_optimize): Ditto.
11418 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11420 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11421 regclass, dbr_schedule): Declaration changed.
11422 * sched-int.h (sched_init): Declaration changed.
11423 * tree-profile.c (tree_profile_dump_file): Removed.
11424 (tree_profile_hooks): Removed profile_dump_file hook.
11425 * rtl-profile (rtl_profile_dump_file): Removed.
11426 (rtl_profile_hooks): emoved profile_dump_file hook.
11427 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11429 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11430 * tree-cfg.c (build_tree_cfg): Ditto.
11431 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11432 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11433 Declaration changed.
11434 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11435 life_analysis and schedule_insns.
11436 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11438 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11440 * config/mips/mips.c (mips_reorg): Ditto.
11441 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11444 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11446 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11447 (s390_mangle_fundamental_type): New.
11448 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11451 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11452 (alpha_mangle_fundamental_type): New.
11453 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11456 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11458 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11460 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11461 (sparc_mangle_fundamental_type): New.
11463 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11465 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11466 (s390x-*-linux*): Likewise.
11467 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11468 * config/s390/t-linux: New file.
11470 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11472 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11473 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11475 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11477 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11478 (ANTIC_SAFE_LOADS): New macro.
11479 (find_or_generate_expression): Add prototype.
11480 (set_contains_value): Allow null set for sake of not always having
11481 to allocate ANTIC_SAFE_LOADS.
11482 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11483 Allow COMPONENT_REF too.
11484 (valid_in_set): Allow COMPONENT_REF.
11485 Check ANTIC_SAFE_LOADS too.
11486 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11487 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11489 (can_PRE_operation): Add COMPONENT_REF.
11490 (create_component_ref_by_pieces): New function.
11491 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11492 (insert_aux): Move AGGREGATE_TYPE_P check here.
11493 (compute_avail): Set bb local stmt uids.
11494 (pass_pre): Use TODO_update_ssa_only_virtuals.
11496 2006-02-06 Ben Elliston <bje@au.ibm.com>
11498 * configure.ac: Unconditionally disable decimal float by default.
11499 * configure: Regenerate.
11501 2006-02-06 Ben Elliston <bje@au.ibm.com>
11503 * read-rtl.c (read_name): Terminate reading on EOF.
11505 2006-02-06 Ben Elliston <bje@au.ibm.com>
11507 * dfp.c (decimal_real_arithmetic): Change second argument type
11508 from int to enum tree_code. Do not always return true, but now
11509 return result of any call to decimal_do helper functions.
11510 * dfp.h (decimal_real_arithmetic): Update prototype.
11512 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11514 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11516 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11519 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11522 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11524 * tree-vrp.c (cfg_loops): Removed.
11525 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11526 Use current_loops instead of cfg_loops. Pass flags to
11527 loop_optimizer_init.
11528 * cfgloopmanip.c (fix_loop_structure): Update only available
11530 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11531 loop_optimizer_init.
11532 * modulo-sched.c (build_loops_structure): Removed.
11533 (sms_schedule): Use loop_optimizer_init.
11534 * loop-init.c (loop_optimizer_init): Use flags to determine
11535 which properties of loops to prepare.
11536 (rtl_loop_init): Pass flags to loop_optimizer_init.
11537 * tree-ssa-sink.c (execute_sink_code): Ditto.
11538 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11539 * tree-ssa-pre.c (init_pre): Ditto.
11540 * cfgloop.h (LOOPS_NORMAL): New.
11541 (loop_optimizer_init): Declaration changed.
11543 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11545 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11546 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11548 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11550 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11552 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11553 * pa/t-pa64: Delete quadlib.c rule.
11554 * pa/x-ada: Revert last change.
11555 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11557 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11559 PR rtl-optimization/26087
11560 * rtlanal.c (canonicalize_condition): Do not cross basic block
11563 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11566 * config/ia64/ia64.c: Include debug.h.
11567 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11568 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11569 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11570 (process_epilogue, process_set, process_for_unwind_directive):
11571 Output unwind info only if requested. Add CFA info if requested.
11572 Add new arguments as needed. Adjust callers.
11573 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11575 (DWARF2_FRAME_INFO): Define to zero.
11576 * config/ia64/unwind-ia64.c: Remove code that compensated for
11577 the CFA offset error fixed above.
11578 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11579 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11580 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11581 -funwind-tables and -fexceptions to enable frame info.
11582 (dwarf2out_frame_init): Define initial CFA even if
11583 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11584 DWARF2_UNWIND_INFO is nonzero, not just defined.
11585 (dwarf2out_frame_finish): Output non-EH call frame info only
11586 if DWARF2_FRAME_INFO is nonzero.
11587 (convert_cfa_to_loc_list,
11588 compute_frame_pointer_to_cfa_displacement): Define even if
11589 unwind info is not supported.
11590 (gen_subprogram_die): Use the above unconditionally. Remove
11591 legacy alternate code.
11592 * toplev.c (compile_file): Compile in call to
11593 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11594 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11596 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11597 Jakub Jelinek <jakub@redhat.com>
11599 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11600 IBM extended float format long double as "g" on powerpc*-linux.
11602 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11605 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11606 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11608 2006-02-03 Jason Merrill <jason@redhat.com>
11611 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11613 PR middle-end/25977
11614 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11615 on the return slot if it's an NRV.
11617 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11619 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11620 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11621 rewrite_use): Do not handle USE_OUTER.
11622 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11623 add_iv_outer_candidates, may_replace_final_value,
11624 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11625 (find_interesting_uses_op): Functionality of
11626 find_interesting_uses_outer_or_nonlin moved here.
11627 (find_interesting_uses_outside): Use find_interesting_uses_op.
11629 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11632 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11634 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11635 Ulrich Weigand <uweigand@de.ibm.com>
11638 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11639 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11640 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11641 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11643 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11644 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11645 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11646 Define secondary reloads for TFmode moves.
11647 (constant_modes): Add TFmode.
11648 (NR_C_MODES): Set to 8.
11649 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11651 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11652 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11653 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11654 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11655 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11656 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11657 (FPR mode macro): Add TFmode.
11658 (DSF mode macro): New.
11659 (<de>, <dee> mode attributes): Removed.
11660 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11661 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11662 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11663 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11664 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11665 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11666 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11667 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11668 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11669 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11670 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11671 "*negabs<mode>2", "sqrt<mode>2"):
11672 Changed <de> to <xde>. R constraint replaced by <Rf>.
11673 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11675 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11676 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11677 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11679 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11680 "extenddftf2", "extendsftf2"): New expanders.
11681 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11682 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11683 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11684 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11686 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11687 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11688 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11689 __floatditf): Add a GCC_4.1.0 symbol version tag.
11690 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11693 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11696 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11697 Use targetm.binds_local_p instead of TREE_PUBLIC.
11699 2006-02-02 Roger Sayle <roger@eyesopen.com>
11701 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11702 on INTEGER_TYPEs to indicate that it denotes a character type.
11703 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11704 signed_char_type_node, unsigned_char_type_node and char_type_node.
11705 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11706 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11707 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11709 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11710 Daniel Berlin <dberlin@dberlin.org>
11712 * tree-tailcall.c (arg_needs_copy_p): New function.
11713 (eliminate_tail_call): Use arg_needs_copy_p.
11714 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11715 (add_virtual_phis): New function.
11717 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11719 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11720 #ignore instead of #scratch for %g7 .register directive.
11722 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11724 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11727 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11729 * flow.c (calculate_global_regs_live): Assert that there aren't any
11732 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11734 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11735 what its name says.
11736 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11737 bsi_after_labels iterator.
11738 * tree-if-conv.c (find_phi_replacement_condition,
11739 replace_phi_with_cond_modify_expr): Likewise.
11740 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11741 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11743 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11745 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11747 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11750 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11751 array after growing it.
11753 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11755 PR middle-end/24901
11756 * fold-const.c (fold_checksum_tree): Change type of buf.
11758 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11760 * reload.c (push_secondary_reload): Initialize t_icode.
11762 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11764 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11765 -msoft-float -mlong-double-128 only issue a warning, but don't
11766 swich to DFmode long double.
11768 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11770 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11771 has a constant equivalent, iterate over equivalents for arg0,
11772 calling simplify_relational_operation and if there's a result
11773 cheaper than X, apply fold_rtx and return the result.
11775 2006-02-01 Jan Hubicka <jh@suse.cz>
11777 * opts.c (no_unit_at_a_time_default): New global variable.
11778 (decode_options): Use it.
11779 * opts.h (no_unit_at_a_time_default): Declare.
11781 2006-02-01 Paul Brook <paul@codesourcery.com>
11783 * function.c (assign_parm_setup_reg): Use function argument promotion
11785 * expr.c (expand_expr_real_1): Use function argument promotion rules
11788 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11790 * gcc.c (process_command): Change j to 'unsigned int'.
11792 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11794 PR middle-end/26001
11795 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11796 Use the corrected index for the character
11797 out of the string constant.
11799 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11801 * mode-switching.c (optimize_mode_switching): Fix size
11802 allocated for bb_info[n_entities].
11804 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11806 * gcc.c (main): Correct type that is allocated for
11807 explicit_link_files.
11809 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11811 * config/s390/s390.c (init_alignment_context): Set
11812 ALIAS_SET_MEMORY_BARRIER on the MEM.
11813 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11815 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11817 PR middle-end/25933
11818 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11820 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11823 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11825 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11826 * regrename.c: Ditto.
11827 * tree-ssa-loop-im.c: Ditto.
11828 * tree-dump.c: Ditto.
11829 * tree-complex.c: Ditto.
11830 * genrecog.c: Ditto.
11831 * tree-ssa-threadupdate.c: Ditto.
11833 * java/class.c: Ditto.
11834 * java/jcf-parse.c: Ditto.
11835 * java/resource.c: Ditto.
11836 * java/except.c: Ditto.
11837 * java/jvspec.c: Ditto.
11838 * java/jcf-write.c: Ditto.
11839 * java/jcf-path.c: Ditto.
11840 * java/gjavah.c: Ditto.
11841 * java/zextract.c: Ditto.
11842 * java/jcf-io.c: Ditto.
11843 * java/jcf.h: Ditto.
11844 * java/buffer.c: Ditto.
11845 * java/lang.c: Ditto.
11846 * java/parse-scan.y: Ditto.
11847 * java/lex.c: Ditto.
11848 * java/lex.h: Ditto.
11849 * cfgloopmanip.c: Ditto.
11850 * postreload-gcse.c: Ditto.
11851 * tree-ssa-loop-manip.c: Ditto.
11852 * postreload.c: Ditto.
11853 * tree-ssa-loop-ch.c: Ditto.
11856 * cppspec.c: Ditto.
11857 * diagnostic.c: Ditto.
11859 * genoutput.c: Ditto.
11861 * cfghooks.c: Ditto.
11862 * cfgloopanal.c: Ditto.
11863 * objc/objc-act.c: Ditto.
11865 * genextract.c: Ditto.
11866 * genautomata.c: Ditto.
11867 * pretty-print.c: Ditto.
11868 * genemit.c: Ditto.
11869 * cgraphunit.c: Ditto.
11871 * df-scan.c: Ditto.
11872 * haifa-sched.c: Ditto.
11873 * dominance.c: Ditto.
11875 * tree-ssa-loop-ivopts.c: Ditto.
11876 * df-core.c: Ditto.
11877 * mode-switching.c: Ditto.
11878 * modulo-sched.c: Ditto.
11880 * ipa-pure-const.c: Ditto.
11882 * fix-header.c: Ditto.
11884 * tree-stdarg.c: Ditto.
11885 * ipa-utils.c: Ditto.
11886 * loop-init.c: Ditto.
11887 * ipa-inline.c: Ditto.
11888 * cfganal.c: Ditto.
11890 * alloc-pool.c: Ditto.
11891 * dwarf2out.c: Ditto.
11893 * genattrtab.c: Ditto.
11894 * tree-ssa-loop-ivcanon.c: Ditto.
11895 * predict.c: Ditto.
11896 * timevar.c: Ditto.
11898 * fortran/gfortranspec.c: Ditto.
11899 * regmove.c: Ditto.
11900 * local-alloc.c: Ditto.
11901 * langhooks.c: Ditto.
11902 * function.c: Ditto.
11903 * tree-vectorizer.c: Ditto.
11905 * ipa-type-escape.c: Ditto.
11907 * tree-if-conv.c: Ditto.
11908 * profile.c: Ditto.
11910 * tree-data-ref.c: Ditto.
11911 * loop-unroll.c: Ditto.
11912 * treelang/treetree.c: Ditto.
11914 * bt-load.c: Ditto.
11915 * ggc-common.c: Ditto.
11917 * coverage.c: Ditto.
11919 * tree-cfgcleanup.c: Ditto.
11920 * tree-ssa-pre.c: Ditto.
11921 * cfgcleanup.c: Ditto.
11922 * loop-invariant.c: Ditto.
11923 * loop-iv.c: Ditto.
11924 * ipa-prop.c: Ditto.
11925 * print-tree.c: Ditto.
11926 * conflict.c: Ditto.
11927 * ggc-page.c: Ditto.
11928 * sched-deps.c: Ditto.
11929 * regclass.c: Ditto.
11930 * tree-object-size.c: Ditto.
11931 * combine.c: Ditto.
11932 * bb-reorder.c: Ditto.
11933 * resource.c: Ditto.
11934 * var-tracking.c: Ditto.
11935 * cfgloop.c: Ditto.
11936 * df-problems.c: Ditto.
11937 * reg-stack.c: Ditto.
11939 * gccspec.c: Ditto.
11940 * sched-rgn.c: Ditto.
11941 * tree-ssa-structalias.c: Ditto.
11942 * tree-ssa-reassoc.c: Ditto.
11943 * config/darwin-c.c: Ditto.
11944 * config/darwin.c: Ditto.
11945 * config/arm/arm.c: Ditto.
11947 * collect2.c: Ditto.
11948 * reload1.c: Ditto.
11950 2006-01-31 Nicolas Pitre <nico@cam.org>
11952 * arm.md (smaxsi3): Make aware of smax_m1.
11955 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11957 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11959 2006-01-31 Richard Guenther <rguenther@suse.de>
11961 * doc/invoke.texi (-msselibm): Document.
11962 * target.h (expand_library_builtin): New target hook.
11963 * builtins.c (expand_builtin): Use expand_library_builtin.
11964 (default_expand_library_builtin): New function.
11965 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11966 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11967 (link_gcc_math_spec): Declare.
11968 (static_specs): Add link_gcc_math_spec.
11969 * expr.h (default_expand_library_builtin): Declare.
11970 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11971 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11972 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11973 * config/i386/i386.opt (msselibm): New target option.
11974 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11975 (ix86_init_sse_abi_builtins): New function.
11976 (ix86_expand_library_builtin): Likewise.
11977 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11978 (override_options): Handle error conditions wrt -msselibm.
11979 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11980 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11981 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11984 2006-01-31 Richard Guenther <rguenther@suse.de>
11985 Paolo Bonzini <bonzini@gnu.org>
11987 * doc/install.texi (--disable-libgcc-math): Document.
11989 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11991 * expr.h (expand_normal): new inline function.
11992 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11993 * dojump.c: use it.
11994 * dwarf2out.c: use it.
11997 * expmed.c: use it.
11998 * except.c: use it.
11999 * config/sparc/sparc.c: use it.
12000 * config/i386/i386.c: use it.
12001 * config/rs6000/rs6000.c: use it.
12002 * config/arm/arm.c: use it.
12003 * config/mips/mips.c: use it.
12004 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12006 2006-01-30 Roger Sayle <roger@eyesopen.com>
12008 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12009 argv to the appropriate type.
12011 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12013 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12016 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12019 * config/s390/s390.c (struct machine_function): New flag
12020 decomposed_literal_pool_addresses_ok_p.
12021 (s390_reorg): Set it before final stage of literal pool transforms.
12022 (s390_decompose_address): Only accept displacements of the form
12023 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12025 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12027 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12028 the comparison routine return.
12030 2006-01-30 Michael Matz <matz@suse.de>
12032 * global.c (find_reg): Only evict for global regs.
12033 Take n_refs into account and dump more info.
12035 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12038 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12039 (pragma_trap, pragma_nosave_low_regs): Likewise.
12040 (current_function_anonymous_args): Likewise.
12041 (sh_deferred_function_attributes): New variable.
12042 (sh_deferred_function_attributes_tail): Likewise.
12043 (print_operand): For '@', look up trap_exit attribute.
12044 (calc_live_regs): Look up trapa_handler attribute. For trapa
12045 handlers, save/restore fpscr, but don't do any other
12046 interrupt-specific saves.
12047 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12048 Fix check for partially saved registers to check for SHmedia.
12049 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12050 (sh_output_function_epilogue): Don't clear any of the removed
12052 (sh_insert_attributes): Don't check pragma_interrupt.
12053 Insert deferred attributes. Check that interrupt attribute is
12054 present for other attributes that require its presence.
12055 (sh_attribute_table): Add new attributes trapa_handler and
12057 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12058 Don't check for pragma_interrupt. Don't store argument.
12059 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12060 (sh_deferred_function_attributes): Declare.
12061 (sh_deferred_function_attributes_tail): Likewise.
12062 * sh.md (sp_switch_1): Add operand. Change generator caller.
12063 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12064 (*return_i): Don't use when trap_exit attribute is in effect.
12065 (*return_trapa): New insn pattern.
12066 * sh-c.c: New file.
12067 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12068 setting c_target_objs and cxx_target_objs.
12069 * t-sh: Add rule for sh-c.o.
12071 2006-01-30 Richard Guenther <rguenther@suse.de>
12074 * gimplify.c (gimplify_target_expr): Handle easy cases
12075 without creating a temporary.
12077 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12079 * vec.h (safe_grow): Remove duplicated line.
12081 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12084 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12085 (expand_omp): ... here.
12086 (expand_omp_parallel): Only remove barriers for combined
12087 parallel+workshare constructs.
12089 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12093 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12094 * tree.c (build_qualified_type): Chain the new type to the original
12095 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12096 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12097 (build_pointer_type_for_mode): Only return unqualified types.
12098 (build_reference_type_for_mode): Likewise.
12100 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12102 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12103 * Makefile.in (CXX_COMPAT_WARN): Define.
12104 * configure: Regenerate.
12106 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12109 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12112 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12114 * toplev.c: Fix thinko.
12116 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12117 Marcin Dalecki <martin@dalecki.de>
12119 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12120 (push_srcloc): Use XNEW.
12121 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12123 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12125 * df-core.c (df_set_blocks): Deleted all variable.
12127 2006-01-28 Ian Lance Taylor <ian@airs.com>
12129 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12130 cgraph_output_pending_asms.
12132 2006-01-28 Zack Weinberg <zackw@panix.com>
12134 * c.opt: Add -W(no-)overlength-strings.
12135 * doc/invoke.texi: Document it.
12136 * c-opts.c (c_common_handle_option): -pedantic implies
12137 -Woverlength-strings, if not explicitly disabled already.
12138 (c_common_post_options): -Woverlength-strings defaults to off, and
12139 is always off for C++.
12140 * c-common.c (fix_string_type): Issue warning about strings longer
12141 than is portable only if warn_overlength_strings. Rearrange code
12142 a little for clarity.
12143 * configure.in: Check for -Wno-overlength-strings as well before
12144 enabling -pedantic in stage 1.
12145 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12146 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12148 * genconditions.c (write_header, write_one_condition)
12149 (write_conditions, write_writer): Consolidate very long strings
12150 that were broken up to fit in C89 portable limit. Don't use
12151 printf when fputs will do.
12153 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12155 * combine.c (simplify_comparison <AND>): Check
12156 TRULY_NOOP_TRUNCATION before start using a subreg.
12158 * config/mips/mips.md (*branch_zero<mode>,
12159 *branch_zero<mode>_inverted, *branch_equality<mode>,
12160 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12161 Remove mode check from comparisons.
12163 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12165 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12167 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12169 * expmed.c (const_mult_add_overflow_p): Remove.
12170 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12172 * recog.c (validate_replace_rtx_subexp): Remove.
12173 * recog.h: Remove the prototype for
12174 validate_replace_rtx_subexp.
12176 * integrate.h: Remove the prototype for
12177 copy_decl_for_inlining.
12178 * rtl.h: Remove the prototype for mark_constant_function.
12179 * tree-vectorizer.h: Remove the prototype for
12180 vect_strip_conversion.
12182 * modulo-sched.c (create_partial_schedule,
12183 free_partial_schedule, reset_partial_schedule): Make them
12186 * hooks.c (hook_bool_rtx_int_false): Remove.
12187 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12189 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12191 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12192 and -mlong-double-128 are incompatible.
12193 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12194 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12195 (TARGET_LIBGCC2_CFLAGS): Define.
12196 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12197 (TARGET_LIBGCC2_CFLAGS): Same.
12198 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12200 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12203 * c-typeck.c (build_binary_op): Perform implicit casts of
12204 operands before shortening them.
12206 * cfgloopmanip.c (split_loop_bb): Remove.
12207 * cfgloop.h: Remove the prototype for split_loop_bb.
12209 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12210 * cfgloop.h: Remove the prototype for
12211 flow_loop_outside_edge_p.
12213 * emit-rtl.c (init_virtual_regs): Make it static.
12214 * function.h: Remove the prototype for init_virtual_regs.
12216 * recog.c (peephole2_optimize): Make it static.
12217 * recog.h: Remove the prototype for peephole2_optimize.
12219 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12221 * df-scan.c (df_record_entry_block_defs): Check if
12222 INCOMING_RETURN_ADDR_RTX is defined.
12224 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12225 Kenneth Zadeck <zadeck@naturalbridge.com>
12227 PR rtl-optimization/24762
12228 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12229 * targhooks.c (hook_void_bitmap): New hook prototype.
12230 * targhoohs.h (hook_void_bitmap): Ditto.
12231 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12232 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12233 * target.h (live_on_entry): New function pointer.
12234 * df-scan.c (df_all_hard_regs): Removed.
12235 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12236 (df_scan_free_internal): Added df->entry_block_defs.
12237 (df_scan_alloc): Ditto.
12238 (df_scan_dump): Ditto.
12239 (df_uses_record): Plumbed flag field properly thru calls.
12240 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12241 This part fixes PR24762.
12242 (df_bb_refs_record): Added code to make the frame and arg
12243 pointers live in EH blocks.
12244 (df_refs_record): Added call to df_record_entry_block_defs.
12245 (df_record_entry_block_defs): New function.
12246 * df-core.c: Added comments to describe new artifical defs.
12247 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12248 (entry_block_defs): New field in struct df.
12249 (df_all_hard_regs): Deleted.
12250 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12251 * df-problems.c (df_ru_bb_local_compute_process_def):
12252 Added code to handle artifical defs in the entry to a function.
12253 (df_ru_bb_local_compute): Ditto.
12254 (df_rd_bb_local_compute_process_def): Ditto.
12255 (df_rd_bb_local_compute): Ditto.
12256 (df_lr_bb_local_compute): Ditto.
12257 (df_ur_bb_local_compute): Ditto.
12258 (df_urec_bb_local_compute): Ditto.
12259 (df_chain_create_bb): Ditto.
12260 (df_ur_local_finalize): Removed entry.
12261 (df_urec_init): Ditto.
12262 (df_urec_local_finalize): Ditto.
12263 (df_ri_bb_compute): Added detection of last use of pseudos.
12264 * Makefile.in (df-scan.o): Updated dependencies.
12265 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12266 * config/mips/mips.c (mips_set_live_on_entry): Added.
12267 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12269 * dce.c (marked_insn_p): Added code to handle artifical defs.
12271 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12273 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12275 (_mm_cvtsi128_si64): Likewise.
12276 (_mm_cvtsd_si64): Likewise.
12277 (_mm_cvttsd_si64): Likewise.
12278 (_mm_cvtsi64_sd): Likewise.
12279 (_mm_cvtsi64_si128): Likewise.
12280 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12281 (_mm_cvtsi64_m64): Likewise.
12282 (_m_to_int64): Likewise.
12283 (_mm_cvtm64_si64): Likewise.
12284 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12285 (_mm_cvttss_si64): Likewise.
12286 (_mm_cvtsi64_ss): Likewise.
12287 (_mm_cvtss_f32): Likewise.
12289 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12291 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12292 for pragma redefine_extname.
12294 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12297 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12298 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12299 -mno-minimal-toc to previous content.
12300 (bispecs): Remove goal.
12301 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12302 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12303 compatibility aliases on powerpc-*-*gnu*.
12304 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12305 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12306 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12307 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12308 (ldblspecs): New goal.
12309 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12310 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12312 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12313 L_sf_to_tf or L_df_to_tf is defined.
12315 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12316 Alan Modra <amodra@bigpond.net.au>
12319 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12320 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12321 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12322 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12323 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12324 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12325 (rs6000_override_options): Initialize rs6000_ieeequad.
12326 Initialize TFmode format to ibm_extended_format if not
12328 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12330 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12331 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12332 (function_arg_advance): IBM long double passed in two FPRs, not
12334 (function_arg): IBM long double passed in FPRs.
12335 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12336 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12337 Only multireg GPR aligned.
12338 (rs6000_init_libfuncs): Enable IBM long double functions if not
12340 (rs6000_generate_compare): Use IBM long double compare if not
12342 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12343 (TARGET_IEEEQUAD): Define.
12344 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12345 not TARGET_IEEEQUAD.
12346 * config/rs6000/rs6000.md: Enable TFmode patterns if
12348 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12349 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12350 and -mlong-double-128 are incompatible.
12351 * doc/invoke.texi (-mabi): Collect options together. Add
12352 ibmlongdouble and ieeelongdouble.
12354 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12356 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12358 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12359 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12360 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12361 * rtl.h (rtunion_def): Remove rt_ptr.
12363 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12364 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12365 * config/i386/winnt.c (i386_pe_mark_dllexport)
12366 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12368 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12370 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12372 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12376 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12377 pthread_key_delete. From John David Anglin. gthrw-ify
12378 pthread_getunique_np only if it it's not a macro. Delete
12380 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12381 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12382 __gthread_objc_condition_signal, __gthread_key_delete): Add
12383 "__attribute__ ((__unused__))" to unused arguments.
12384 (__gthread_recursive_mutex_init_function): Add missing return.
12385 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12386 gthr-posix95.h: Use macro-based approach for name redirection
12387 on targets missing weakref.
12389 2006-01-26 Zack Weinberg <zackw@panix.com>
12391 * genconditions.c (write_header): In generated code, #ifdef out
12392 all includes and fake declarations, except includes of bconfig.h
12393 and system.h, unless GCC_VERSION >= 3001. Do not include
12394 gensupport.h in any case.
12395 (write_conditions): Generate a definition of struct c_test. Add
12396 a comment to the generated #endif.
12397 (write_one_condition): Escape backslashes in string too.
12398 (write_writer): Generated code must escape backslashes and quote
12399 marks (but not newlines) in the strings it writes.
12400 * Makefile.in (build/gencondmd.o): Update dependencies.
12402 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12405 * Makefile.in (insn-automata.o): Add header file dependencies.
12406 * genautomata.c: Add includes.
12408 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12411 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12413 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12415 * configure.ac: Expect target tools paths to be passed from the toplevel
12416 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12418 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12420 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12423 * c.opt (Wpointer-sign): Init to -1.
12424 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12425 OPT_pedantic, to 0 otherwise.
12426 * doc/invoke.texi: Update.
12428 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12430 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12431 constants provided by 80387 instructions in the destination mode.
12433 2006-01-26 Richard Guenther <rguenther@suse.de>
12434 Andrew Pinski <pinskia@physics.uc.edu>
12437 partial PR tree-opt/17064
12438 * tree-ssa-structalias.c (intra_create_variable_infos):
12439 Create heap variables for incoming parameters if
12440 flag_argument_noalias > 1.
12441 (find_what_p_points_to): Look through default defs of
12444 2006-01-26 Jeff Law <law@redhat.com>
12447 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12448 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12449 within the VR_RANGE, use the VR_RANGE as the result, not the
12451 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12452 bounds for the type.
12454 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12456 * tree-ssa-alias.c (maybe_create_global_var): Change
12457 subvar walking to an assertion that we don't have subvar'd variables.
12459 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12462 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12463 Use a new variable, inner. PARM_DECLs are always non-weak.
12465 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12467 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12468 --disable-checking.
12470 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12472 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12474 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12476 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12477 (smax_insn, smin_insn, smax_0, smin_0): New.
12479 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12482 * config/cris/cris.c (cris_order_for_addsi3): New function.
12483 * config/cris/cris-protos.h: Prototype it.
12484 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12485 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12486 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12487 (split for "op.S1 [rx=rx+i],ry (swapped)")
12488 (split for "op(s|u).S1 [rx=rx+i],ry")
12489 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12490 Apply cris_order_for_addsi3 when generating addsi3 insns.
12492 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12494 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12495 (TREE_BLOCK): Add call to EXPR_CHECK.
12497 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12500 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12501 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12502 (dump_omp_clauses): ... here.
12503 (dump_generic_node): Handle OMP_CLAUSE.
12504 * tree.c (omp_clause_num_ops): New.
12505 (omp_clause_code_name): New.
12506 (tree_code_size): Handle OMP_CLAUSE.
12507 (tree_size): Likewise.
12508 (make_node): Document handling of OMP_CLAUSE.
12509 (tree_node_structure): Handle OMP_CLAUSE.
12510 (omp_clause_check_failed): New.
12511 (omp_clause_range_check_failed): New.
12512 (omp_clause_operand_check_failed): New.
12513 (build_omp_clause): New.
12514 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12515 * tree.h (enum omp_clause_code): Declare.
12516 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12517 (OMP_CLAUSE_RANGE_CHECK): Define.
12518 (OMP_CLAUSE_ELT_CHECK): Define.
12519 (omp_clause_check_failed): Declare.
12520 (omp_clause_operand_check_failed): Declare.
12521 (omp_clause_range_check_failed): Declare.
12522 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12523 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12524 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12525 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12526 (OMP_CLAUSE_IF_EXPR): Likewise.
12527 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12528 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12529 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12530 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12531 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12532 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12533 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12534 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12535 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12536 (OMP_CLAUSE_CODE): Define.
12537 (OMP_CLAUSE_SET_CODE): Define.
12538 (OMP_CLAUSE_CODE): Define.
12539 (OMP_CLAUSE_OPERAND): Define.
12540 (struct tree_omp_clause): Declare.
12541 (union tree_node): Add field 'omp_clause'.
12542 * treestruct.def (TS_OMP_CLAUSE): Define.
12543 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12544 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12545 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12546 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12547 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12548 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12549 (OMP_CLAUSE): Define.
12550 * print-tree.c (print_node): Handle OMP_CLAUSE.
12551 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12552 * c-typeck.c: Likewise.
12553 * gimplify.c: Likewise.
12554 * c-omp.c: Likewise.
12555 * tree-nested.c: Likewise.
12556 * tree-inline.c: Likewise.
12557 * c-parser.c: Likewise.
12558 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12561 2006-01-25 Roger Sayle <roger@eyesopen.com>
12563 PR rtl-optimization/25703
12564 * combine.c (try_combine): Handle zero_extract and strict_low_part
12565 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12567 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12569 * global.c: Fix comment typos.
12571 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12574 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12575 Use output_addr_const instead of assemble_name.
12577 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12579 * Makefile.in (sched-vis.o): Update dependencies.
12580 * haifa-sched.c (sched_finish): Clear current_sched_info.
12581 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12582 (dump_flow_info): Call it.
12583 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12585 * basic-block.h (dump_bb_info): Declare.
12586 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12587 option, and apply options only for dump files whose TDF_RTL,
12588 TDF_TREE, or TDF_IPA bits match.
12589 * rtl.h: Declare new functions exported from sched-vis.c.
12590 * sched-vis.c: Enable also if scheduling is not used.
12591 (print_value): Print the mode of registers if not inside scheduling.
12592 (print_insn): Make it work outside the scheduler. Beautify the output
12594 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12596 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12598 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12599 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12600 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12601 depending on the value of CONSTANT_POOL_ADDRESS_P.
12602 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12604 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12605 rather than SYMBOL_REF_DECL.
12606 (rtx_constant_pool): Remove const_rtx_sym_htab.
12607 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12608 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12609 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12610 Remove handling of const_rtx_sym_htab.
12611 (find_pool_constant): Delete.
12612 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12613 rather than find_pool_constant.
12614 (get_pool_constant_for_function): Delete.
12615 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12616 find_pool_constant.
12617 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12618 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12619 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12620 (SYMBOL_REF_CONSTANT): New macro.
12621 (get_pool_constant_for_function): Delete.
12622 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12623 rather than SYMBOL_REF_DECL.
12624 (i386_pe_mark_dllimport): Likewise.
12625 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12626 rather than SYMBOL_REF_DECL.
12627 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12628 (machopic_indirect_call_target): Likewise.
12630 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12632 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12634 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12636 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12638 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12640 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12642 2006-01-24 David Daney <ddaney@avtrex.com>
12645 * configure.ac (enable_tls): New enable option.
12646 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12647 * configure: Regenerate.
12648 * doc/install.texi (--enable-tls): Document new option.
12649 (--disable-tls): Ditto.
12651 2006-01-24 Richard Henderson <rth@redehat.com>
12653 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12654 * alias.c (true_dependence): Respect it.
12655 (canon_true_dependence, write_dependence_p): Likewise.
12656 * builtins.c (get_builtin_sync_mem): Set it.
12658 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12660 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12663 2006-01-24 DJ Delorie <dj@redhat.com>
12665 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12666 for storing constants in single-bit bitfields.
12668 2006-01-25 Ben Elliston <bje@au.ibm.com>
12670 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12672 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12675 * tree-ssa-pre.c (phi_translate): Return NULL
12676 for AGGREGATE_TYPE's.
12678 2006-01-24 Zack Weinberg <zackw@panix.com>
12680 * genautomata.c (process_state_for_insn_equiv_partition):
12681 Use xcalloc for insn_arcs_array.
12682 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12683 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12685 2006-01-24 Richard Henderson <rth@redhat.com>
12687 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12688 update all callers.
12690 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12692 PR rtl-optimization/25890
12693 PR rtl-optimization/25905
12694 * combine.c (expand_compound_operation, expand_field_assignment):
12695 Fail if the bitfield's final position is out of bounds.
12697 2006-01-24 Ian Lance Taylor <ian@airs.com>
12699 PR middle-end/25930
12700 * cgraphunit.c (cgraph_output_in_order): Don't clear
12701 cgraph_asm_nodes until after asm strings have been output.
12703 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12705 * fix-header.c (read_scan_file): Add new parameter imultilib when
12706 calling register_include_chains.
12708 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12710 * omp-low.c: Update documentation.
12712 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12713 Daniel Berlin <dberlin@dberlin.org>
12717 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12718 return from the function.
12720 2006-01-22 Zack Weinberg <zackw@panix.com>
12722 * rtl.def (match_code): Add second argument.
12723 * genpreds.c (write_extract_subexp): New function.
12724 (write_match_code): Add path argument. Use write_extract_subexp.
12725 (write_predicate_expr): Pass path to write_match_code.
12726 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12727 not perform a mode test.
12728 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12729 a subexpression does not constrain the top-level code set.
12730 * read-rtl.c (read_rtx_variadic): New function.
12731 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12732 * doc/md.texi: Document new notation.
12733 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12734 (cmpsi_operand): ... here, using new notation.
12736 2006-01-22 Zack Weinberg <zackw@panix.com>
12738 * varray.c: Remove GENERATOR_FILE #ifdefs.
12740 2006-01-22 Zack Weinberg <zackw@panix.com>
12742 * genautomata.c (output_reserved_units_table): Emit nothing if
12743 description->query_units_num is zero. Remove extra blank line.
12744 (output_cpu_unit_reservation_p): Short circuit
12745 if description->query_units_num is zero.
12747 2006-01-22 Zack Weinberg <zackw@panix.com>
12749 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12750 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12751 nor any of the random handful of variables that used to be necessary
12752 when this program was linked with rtlanal.o. Prune set of forward
12753 function declarations.
12754 (struct attr_desc): Remove static_p field.
12755 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12756 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12757 (attr_string): Do not read the character one past the length of
12759 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12760 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12761 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12762 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12763 (make_automaton_attrs): New.
12764 (main): Do not call into genautomata. Call local gen_bypass
12765 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12766 Remove special case for insn_alts.
12767 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12768 varray.h (leftover from previous change). Prune set of forward
12769 function declarations. Remove state_alts fields from all
12770 structures. Remove state_alts_table from struct automaton.
12771 Make everything except main static. Do not maintain num_dfa_decls.
12772 Do not maintain state_alts fields of various structures.
12773 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12774 (add_arc): Remove state_alts argument. All callers updated.
12775 (output_reserved_units_table): Emit #ifdef here...
12776 (output_tables): ...not here. Don't generate state_alts tables.
12777 (expand_automata): Don't generate attributes.
12778 (write_automata): Don't generate state_alts functions.
12779 (main): New function.
12780 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12781 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12782 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12783 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12784 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12785 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12786 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12787 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12789 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12790 * genattrtab.h: Delete file.
12791 * Makefile.in (OBJS-common): Add insn-automata.o.
12792 (insn-automata.o): New rule.
12793 (simple_generated_c): Add insn-automata.c.
12794 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12795 (genprogmd): Add automata.
12796 (build/genattrtab): Needs no extra objects nor libraries.
12797 (build/genautomata): Needs build/vec.o and -lm.
12799 2006-01-22 Zack Weinberg <zackw@panix.com>
12801 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12802 (output_dfa_max_issue_rate, locked_states_num): Delete.
12803 (struct automaton): Add locked_states field.
12804 (output_dead_lock_vect): Save number of locked states in
12805 automaton->locked_states. If it is zero, don't print anything.
12806 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12807 (output_internal_dead_lock_func): Only test the dead_lock_vect
12808 for automata that have locked states.
12809 (output_statistics): Always print the number of locked states for
12810 each automaton. Calculate total number of locked states here.
12811 (write_automata): Don't call output_dfa_max_issue_rate.
12812 * genattrtab.c: Define length_unit_log as a const variable.
12813 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12814 max_insn_queue_index const.
12815 * final.c (length_unit_log): Declare const.
12816 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12818 2006-01-22 Zack Weinberg <zackw@panix.com>
12820 * genautomata.c: Include vec.h, not varray.h.
12821 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12822 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12823 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12824 VEC_* macros operating on appropriately typed vectors, or to
12825 malloced arrays when the size is known in advance. Const-ify
12826 many char* variables and function arguments. No functional changes.
12827 * Makefile.in (build/varray.o): Delete rule.
12828 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12829 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12831 2006-01-22 Zack Weinberg <zackw@panix.com>
12833 * gensupport.c: Define get_insn_name and record_insn_name here.
12834 (read_md_rtx): Call record_insn_name as appropriate.
12835 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12836 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12837 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12839 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12840 (BUILD_VARRAY): Delete.
12841 (genprognormal): Rename genprogmd. Fold in all programs from
12842 genprognoprint; also attrtab.
12843 (build/genattrtab): Just mention genautomata.o and varray.o.
12844 Reorganize a bit, add comments to make the categories clearer.
12846 2006-01-22 Zack Weinberg <zackw@panix.com>
12848 * genconditions.c (condition_table, add_condition): Delete.
12849 (write_conditions): Don't emit n_insn_conditions nor
12850 insn_elision_unavailable. Issue the gcc version #ifdef here,
12851 inside the table, with no #else clause ...
12852 (write_header): ...not here.
12853 (write_writer): New function.
12854 (main): Don't initialize condition_table. Use add_c_test.
12856 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12857 files on the command line.
12858 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12859 Return -1 if there is no entry in the table, don't abort.
12860 (add_c_test, traverse_c_tests): New functions.
12861 * gensupport.h (insn_elision_unavailable, insn_conditions)
12862 (n_insn_conditions): Delete declarations.
12863 (add_c_test, traverse_c_tests): Declare.
12864 * read-rtl.c: Include gensupport.h.
12865 (read_conditions): New function.
12866 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12867 (read_rtx_1): If we get EOF when we were looking for an initial
12868 open paren, return 0. Call read_conditions when appropriate.
12869 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12870 dummy-conditions.o. Eliminate references to insn-conditions.o,
12871 or change them to build/gencondmd.o, as appropriate. Remove
12872 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12873 from $(simple_generated_c). For all files remaining in those
12874 two lists, add insn-conditions.md to the generator command line.
12875 Give insn-constants.h/s-constants their own rules. Add rules
12876 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12877 (build/read-rtl.o): Depend on gensupport.h.
12878 (genprognormal): Include preds.
12879 (genprogearly): Rename genprognoprint; only difference is now that
12880 they don't link with $(BUILD_PRINT).
12881 * dummy-conditions.c: Delete.
12883 2006-01-22 Zack Weinberg <zackw@panix.com>
12885 * genextract.c: Don't include insn-config.h. Do include vec.h.
12886 Declare vectors of int, char, and locstr.
12887 (locstr): New typedef.
12888 (struct extraction): Make all array fields into bare pointers.
12889 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12890 (insn_code_number): Delete.
12891 (accum_extract): New struct.
12892 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12893 (gen_insn): Take insn_code_number as an argument. Use an
12894 accum_extract structure instead of loading data directly into
12895 a struct extraction, and having to know how big it might get.
12896 (walk_rtx): Operate entirely on an accum_extract structure.
12897 (print_path): Avoid unnecessary use of printf.
12898 (print_header): New function, split out of main. Distinguish
12899 more carefully between an unrecognizable insn and an insn that
12900 has the code number of a define_expand.
12901 (main): Pass insn_code_number to gen_insn. Call print_header
12902 only after parsing. Avoid unnecessary use of printf.
12903 * Makefile.in (build/vec.o): New rule.
12904 (build/genextract): Depend on build/vec.o.
12905 (build/genextract.o): Don't depend on insn-config.h.
12907 2006-01-22 Zack Weinberg <zackw@panix.com>
12909 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12910 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12911 practical. Eliminate per-generator-program link rules.
12913 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12915 PR middle-end/24437
12916 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12917 with a call expr to ...
12918 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12920 2006-01-23 Richard Guenther <rguenther@suse.de>
12922 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12923 before make_edge with conditional EDGE_TRUE_VALUE.
12925 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12926 Jan Hubicka <jh@suse.cz>
12927 Richard Guenther <rguenther@suse.de>
12929 PR rtl-optimization/25654
12930 * cfgexpand.c (aggregate_contains_union_type): New function.
12931 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12932 for structure variables that contain a union type.
12934 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12936 * gengtype.c (new_structure): Return the structure.
12937 (create_option): Add an extra "next" argument.
12938 (create_field): New function.
12939 (adjust_field_rtx_def): Use create_option and create_field.
12940 Remove a now-unnecessary call to find_structure.
12941 (adjust_field_tree_def): Likewise.
12942 (note_yacc_type): Remove an unnecessary call to find_structure.
12943 * gengtype.h (new_structure): Return the structure.
12944 (create_option): Add an extra argument.
12945 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12946 (option): Adjust calls to create_option.
12948 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12950 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12952 2006-01-22 Paul Brook <paul@codesourcery.com>
12953 Peter Barada <peter@the-baradas.com>
12955 * config/m68k/m68k.md: Add Coldfire FPU support.
12956 Define FP mode macro and associated attributes.
12957 Use it for float mode patterns.
12958 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12959 (LIBCALL_VALUE): Use m68k_libcall_value.
12960 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12961 (m68k_function_value): Ditto.
12962 (emit_move_sequence): Ditto.
12963 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12964 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12965 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12966 (MULTILIB_EXCEPTIONS): Ditto.
12967 * config/m68k/m68k.opt: Add mcfv4e.
12968 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12969 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12970 (m68k_output_function_prologue): Save ColdFire FPU registers.
12971 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12972 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12973 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12974 ColdFire FPU registers.
12975 (m68k_libcall_value, m68k_function_value): New functions.
12976 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12977 (LIBCALL_VALUE): Use m68k_libcall_value.
12978 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12979 (MASK_COLDFIRE): Add MASK_CFV4E.
12980 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12981 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12982 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12983 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12984 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12985 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12986 * doc/invoke.tex: Document -mcfv4e on m68k.
12988 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12990 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12993 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12996 * c-opts.c (c_common_handle_option): Don't include
12997 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12998 * doc/invoke.texi (C++ Dialect Options): Document that
12999 -Wnon-virtual-dtor is no longer included in -Wall.
13001 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13003 * gcov.c (print_version), gcov-dump.c (print_version),
13004 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13007 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13009 * df-scan.c (problem_SCAN): Added NULL reset function.
13010 (df_scan_reset_blocks): Added code to call reset block function
13011 (df_bb_refs_delete) Fixed comment.
13012 (df_insn_refs_delete): Made tolerant of deleting non existent info
13013 for dataflow problems that need to be reset.
13014 * df-core.c (df_set_blocks): Ditto.
13015 * df.h (struct df_problem): Added reset_fun.
13016 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13017 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13018 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13019 functions to clear out all references to def-use or use-def chains.
13021 2006-01-21 Ben Elliston <bje@au.ibm.com>
13023 * varasm.c (assemble_real): Initialise data array.
13025 2006-01-20 Paul Brook <paul@codesourcery.com>
13027 Merge from csl-arm-branch.
13028 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13029 * config/arm/arm.md (movdi): Force operands[1] to a register
13030 if we have a non-register source.
13031 (*arm_movdi, *movdf_soft_insn): Require that one of the
13032 operands be a register.
13033 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13034 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13036 2006-01-20 DJ Delorie <dj@redhat.com>
13038 * varasm.c (initializer_constant_valid_p): Allow pointers
13039 initialized from integer constants of lesser precision.
13040 (output_constant): Allow non-int-sized pointer modes to be
13041 initialized from integer constants.
13043 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13046 * cppdefault.h (struct default_include): Add multilib flag.
13047 * cppdefault.c (cpp_include_defaults): Set it.
13048 * c.opt (-imultilib): New option.
13049 * c-opts.c (imultilib): New.
13050 (c_common_handle_option): Handle -imultilib.
13051 (c_common_post_options): Likewise.
13052 * c-incpath.c (add_standard_paths, register_include_chains):
13054 * c-incpath.h (register_include_chains): Add extra parameter.
13055 * gcc.c (do_spec_1): Generate -imultilib option.
13056 (The Specs Language): Update %I description.
13057 (process_command): Update copyright notice.
13058 * doc/cppopts.texi (-imultilib): Document.
13059 * doc/invoke.texi (-imultilib): Include in option summary.
13060 (%I): Update specs documentation.
13062 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13064 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13066 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13068 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13071 2006-01-20 Richard Guenther <rguenther@suse.de>
13072 Steven Bosscher <stevenb.gcc@gmail.com>
13074 PR rtl-optimization/24626
13075 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13076 EDGE_TRUE_VALUE if in RTL mode.
13079 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13080 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13082 2006-01-20 Dirk Mueller <dmueller@suse.com>
13085 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13086 instead of a special NOP marker.
13087 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13088 NOP marker handling.
13089 * c-common.h (empty_body_warning): Add forward declaration.
13090 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13091 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13093 2006-01-20 Paul Brook <paul@codesourcery.com>
13095 * Makefile.in (lang_checks): Keep going if mkdir fails.
13097 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13099 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13100 be able to clean out basic block when not necessary.
13101 (df_scan_free): Fixed to properly delete information if df is
13102 unused before calling df_finish.
13103 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13104 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13106 (df_bb_refs_delete): New function.
13107 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13108 * df-core.c (df_set_blocks): Added code to properly clean out
13109 unused blocks if they are not part of the blocks to consider.
13110 Added additional null check.
13111 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13112 be able to clean out basic block when not necessary
13113 * df.h (df_free_bb_function): Ditto.
13114 (df_bb_refs_delete): New function.
13115 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13116 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13117 basic block parameter to be able to clean out basic block when not
13119 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13120 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13121 Fixed to properly delete information if df is unused before
13124 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13126 PR rtl-optimization/25799
13127 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13128 Corrected confluence operator to remove bits from op2 before oring
13129 with op1 rather than removing bits from op1.
13130 (df_ru_transfer_function): Corrected test on wrong bitmap which
13131 caused infinite loop. Both of these problems were introduced in
13132 the dataflow rewrite.
13134 2006-01-19 DJ Delorie <dj@redhat.com>
13136 * reload1.c (find_reload_regs): Note the details of reload
13137 failures in the dump file.
13138 (spill_failure): Likewise.
13140 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13142 * loop-iv.c: Include df.h and hashtab.h.
13143 (enum iv_grd_result): New enum.
13144 (DF_REF_IV, DF_REF_IV_SET): New macros.
13145 (struct biv_entry): New.
13146 (df, bivs): New global variables.
13147 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13148 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13150 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13151 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13152 analyzed_for_bivness_p, record_biv): New functions.
13153 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13154 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13155 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13157 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13159 (iv_number_of_iterations): Use new interface to iv analysis.
13160 * loop-unroll.c: Do not include varray.h.
13161 (analyze_iv_to_split_insn): Use new interface to iv
13163 * loop-unswitch.c (may_unswitch_on): Ditto.
13164 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13166 (df_bb_modify): Realloc tables to the new index.
13167 (df_find_use): New function.
13168 * df.h (df_find_use): Declare.
13169 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13171 * cfgloop.h (struct rtx_iv): Remove analysed field.
13172 (iv_get_reaching_def): Removed.
13173 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13174 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13175 (loop-iv.o): Add df.h and hashtab.h dependency.
13176 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13178 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13181 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13183 (__floatundisf, __floatundidf): Likewise.
13184 * libgcc2.h (IS_IBM_EXTENDED): Define.
13186 2006-01-19 DJ Delorie <dj@redhat.com>
13188 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13190 2006-01-19 Paul Brook <paul@codesourcery.com>
13192 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13193 as nothrow when unwinding tables are disabled.
13195 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13198 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13199 of bit-field" when in system header.
13201 2006-01-19 DJ Delorie <dj@redhat.com>
13203 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13204 the 16 bit shift limit of the m16c.
13206 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13209 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13210 * config/i386/i386.c (output_set_got): Output the label if we have one
13211 for the TARGET_DEEP_BRANCH_PREDICTION case.
13213 2006-01-19 Jan Hubicka <jh@suse.cz>
13214 H.J. Lu <hongjiu.lu@intel.com>
13215 Evandro Menezes <evandro.menezes@amd.com>
13217 * invoke.texi (generic): Document
13219 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13220 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13221 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13222 (x86_use_incdec, x86_pad_returns): New variables
13223 (TARGET_CPU_DEFAULT_generic): New constant
13224 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13225 (enum processor_type): Add generic32 and generic64.
13226 * i386.md (cpu attribute): Add generic32/generic64
13227 (movhi splitter): Behave sanely when both partial_reg_dependency and
13228 partial_reg_stall are set.
13229 (K8 splitters): Enable for generic as well.
13230 * predicates.md (incdec_operand): Use TARGET_INCDEC
13231 (aligned_operand): Avoid memory mismatch stalls.
13232 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13233 * ppro.md: Enable for generic32
13234 * i386.c (generic64_cost, generic32_cost): New.
13235 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13236 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13237 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13238 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13239 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13240 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13241 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13242 x86_accumulate_outgoing_args, x86_prologue_using_move,
13243 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13244 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13245 Enable for generic.
13246 (x86_use_incdec, x86_pad_returns): New.
13247 (override_options): Add generic32 and generic64, translate "generic"
13248 to generic32/generic64 and "i686" to "generic32", refuse
13249 "generic32"/"generic64" as arch target.
13250 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13251 (ix86_reorg): Honor PAD_RETURNS.
13253 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13255 * tree-pretty-print.c (dump_generic_node): Handle
13256 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13257 * cgraph.c (cgraph_expand_queue): Rename from
13258 cgraph_analyze_queue. Update all users.
13259 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13260 cgraph_expand_queue.
13261 (cgraph_expand_all_functions): Likewise.
13262 (cgraph_finalize_pending_functions): Remove. Update callers.
13264 * tree.h (OMP_DIRECTIVE_P): Define.
13265 (OMP_PARALLEL_FN): Define.
13266 (OMP_PARALLEL_DATA_ARG): Define.
13267 (OMP_SECTIONS_SECTIONS): Define.
13268 * tree-pass.h (pass_expand_omp): Declare.
13269 * omp-low.c (struct omp_region): Declare.
13270 (struct omp_context): Remove fields 'parallel_type',
13271 'parallel_start_ix' and 'parallel_start_additional_args'.
13273 (struct omp_for_data): Rename from struct expand_omp_for_data.
13274 (omp_regions): New static variable.
13275 (root_omp_region): New static variable.
13276 (find_omp_clause): Make static.
13277 (is_in_combined_parallel_ctx): Remove.
13278 (is_combined_parallel): New.
13279 (extract_omp_for_data): Move earlier in the file.
13280 (workshare_safe_to_combine_p): New.
13281 (get_ws_args_for): New.
13282 (determine_parallel_type): Move earlier in the file.
13283 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13285 (omp_copy_decl): Likewise.
13286 (create_omp_child_function): Likewise.
13287 (lookup_omp_region): New.
13288 (dump_omp_region): New.
13289 (debug_omp_region): New.
13290 (debug_all_omp_regions): New.
13291 (new_omp_region): New.
13292 (scan_omp_parallel): If parallel_nesting_level > 1, the
13293 directive is nested within another parallel directive.
13294 Set OMP_PARALLEL_FN.
13295 (scan_omp_for): Do not try to handle combined parallel+for
13297 Remove FIXME comment.
13298 (scan_omp_nested): Remove.
13299 (scan_omp_1): Do not call scan_omp_nested when
13300 parallel_nesting_level is > 1.
13301 Do not change the DECL_CONTEXT of local variables found.
13302 (lookup_decl_in_outer_ctx): New.
13303 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13304 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13305 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13306 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13307 If CTX is nested, lookup VAR in the outer context when
13308 building copy assignment.
13309 (lower_send_clauses): Rename from expand_send_clauses.
13310 If CTX is nested, lookup VAR in the outer context when
13311 building copy assignments.
13312 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13313 If CTX is nested, lookup VAR in the outer context when
13314 building copy assignments.
13315 (expand_parallel_call): Rename from build_parallel_call.
13316 Handle combined parallel+workshare cases.
13317 Re-implement to emit code into the CFG.
13319 (expand_omp_parallel): Re-implement to emit code into the CFG.
13320 Call move_sese_region_to_fn to outline the sub-graph
13321 containing the parallel region.
13322 (expand_omp_for_1): Remove.
13323 (expand_omp_for_generic): Re-implement to emit code into the
13325 (expand_omp_for_static_nochunk): Likewise.
13326 (expand_omp_for_static_chunk): Likewise.
13327 (expand_omp_for): Likewise.
13328 (expand_omp_sections): Likewise.
13329 (remove_exit_barriers): New.
13330 (expand_omp_synch): New.
13332 (build_omp_regions_1): New.
13333 (build_omp_regions): New.
13334 (execute_expand_omp): New.
13335 (gate_expand_omp): New.
13336 (pass_expand_omp): Define.
13337 (lower_omp_sections): Rename from expand_omp_sections.
13338 Set OMP_SECTIONS_SECTIONS.
13339 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13340 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13341 (lower_omp_single): Rename from expand_omp_simple.
13342 (lower_omp_master): Rename from expand_omp_master.
13343 (lower_omp_ordered): Rename from expand_omp_ordered.
13344 (lower_omp_critical): Rename from expand_omp_critical.
13345 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13346 (lower_omp_for): Re-implement.
13347 (lower_omp_parallel): Re-implement.
13348 (lower_regimplify): Rename from expand_regimplify.
13349 (lower_omp_1): Rename from expand_omp_1.
13350 If there are syntax errors in the program, replace every
13351 OpenMP directive with NOP.
13352 Call lower_omp_* instead of expand_omp_*.
13353 (lower_omp): Rename from expand_omp.
13355 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13356 * tree-gimple.h (enum omp_parallel_type): Remove.
13357 (gimple_boolify): Declare extern.
13358 (find_omp_clause, determine_parallel_type): Remove.
13360 * gimple-low.c (lower_omp_directive): New.
13361 (lower_stmt): Call it.
13362 (record_vars_into): Move from ...
13363 (record_vars): ... here.
13364 Call record_vars_into with current_function_decl.
13366 * gimplify.c (struct gimplify_ctx): Remove fields
13367 combined_pre_p and combined_ctxp. Update users.
13368 (get_formal_tmp_var): Add documentation.
13369 (gimple_boolify): Make extern.
13370 (gimplify_expr_in_ctx): Remove. Update callers.
13371 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13372 will always be a BIND_EXPR.
13373 (gimplify_expr): Handle OMP_RETURN_EXPR.
13374 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13375 (OMP_PARALLEL): Add 3 operands.
13376 (OMP_SECTIONS): Add 1 operand.
13377 (OMP_RETURN_EXPR): Define.
13379 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13380 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13381 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13382 creating a circular free list.
13383 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13385 * tree-flow.h (move_sese_region_to_fn): Declare.
13386 (record_vars_into): Declare.
13387 * tree-cfg.c (make_omp_sections_edges): New.
13388 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13389 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13390 OMP_SECTIONS and OMP_SECTION.
13391 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13392 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13393 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13394 (gather_blocks_in_sese_region): New.
13395 (struct move_stmt_d): Declare.
13396 (move_stmt_r): New.
13397 (move_block_to_fn): New.
13398 (move_sese_region_to_fn): New.
13400 * passes.c (init_optimization_passes): Schedule
13401 pass_expand_omp after pass_init_datastructures.
13403 * tree-ssa-operands.c (get_expr_operands): Handle
13404 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13405 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13407 2006-01-19 Jeff Law <law@redhat.com>
13409 * tree-vrp.c (extract_range_from_assert): Refine the result range
13410 if the variable referenced by the ASSERT_EXPR has a range and
13411 either the tentative result range or the previous range is a
13414 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13416 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13418 2006-01-19 Jan Hubicka <jh@suse.cz>
13420 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13422 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13424 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13425 (expand_compound_operation, expand_field_assignment): Fail if the
13426 bit lengths of an extract operation are out of range.
13427 (make_extraction): Compute wanted_inner_mode based on the position
13428 and length of the extraction. Make it extraction_mode for non-constant
13429 positions, and do not modify offset in that case. When generating a
13430 new MEM, use a mode that can hold the extraction while keeping correct
13431 alignment. Remove code that supported MEMs wrapped by USEs.
13432 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13434 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13436 * config/s390/s390.md ("Y", "y"): New mode attribute.
13437 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13438 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13439 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13440 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13441 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13442 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13443 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13444 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13445 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13446 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13447 "addsi3", "subsi3"): Insn patterns removed.
13448 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13449 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13450 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13451 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13452 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13453 "*sub<mode>3_cconly2"): New insn patterns.
13454 ("addsi3", "subsi3"): New expanders.
13456 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13458 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13459 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13460 existing STMT_VINFO_VECTYPE if available.
13461 (vect_mark_relevant): Add special handling for stmts that are
13462 marked as STMT_VINFO_IN_PATTERN_P.
13463 (vect_analyze_loop): Call vect_pattern_recog.
13464 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13465 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13467 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13468 (vect_recog_func_ptr): New function-pointer type.
13469 * tree-vect-patterns.c: New file.
13470 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13471 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13472 (vect_pattern_recog_1): New functions.
13473 (vect_pattern_recog_funcs): New array of function pointers.
13475 * tree-vectorizer.h (ternary_op): New enum value.
13476 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13477 declaration. Revised documentation. Removed redundant dump prints.
13478 Removed redundant argument. Added support for reduction patterns.
13479 (vectorizable_reduction): Added support for reduction patterns.
13480 (vect_transform_stmt): Added support for patterns.
13482 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13483 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13484 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13485 (expand_widen_pattern_expr): New function.
13486 (init_optabs): Initialize new optabs udot_prod_optab,
13488 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13489 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13490 (expand_widen_pattern_expr): New function declaration.
13491 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13493 * tree-inline.c (estimate_num_insns_1): Added cases for new
13494 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13495 * tree-pretty-print.c (dump_generic_node): Likewise.
13496 (op_prio): Likewise.
13497 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13498 * tree-ssa-operands.c (get_expr_operands): Added case for
13500 * tree-vect-patterns.c (widened_name_p): New function.
13501 (vect_recog_dot_prod_pattern): Added function implementation.
13502 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13503 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13504 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13505 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13507 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13508 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13509 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13510 (init_optabs): Initialize new optabs widen_ssum_optab,
13512 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13513 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13514 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13515 use instead of type of def.
13516 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13517 function implementation.
13518 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13519 widen_ssumv8hi): New.
13521 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13524 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13527 * c-decl.c (add_flexible_array_elts_to_size): New function.
13528 (finish_decl): Use it.
13530 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13532 * diagnostic.h: Include options.h.
13533 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13534 dependancies for diagnostic.h.
13535 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13537 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13539 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13540 (ssa_ro_call_cache_valid): Ditto.
13541 * tree-ssa-alias.c (sort_tags_by_id): New function.
13542 (init_transitive_clobber_worklist): Ditto.
13543 (add_to_worklist): Ditto.
13544 (mark_aliases_call_clobbered): Ditto.
13545 (compute_tag_properties): Ditto.
13546 (set_initial_properties): Ditto.
13547 (compute_call_clobbered): Ditto.
13548 (compute_may_aliases): Call compute_call_clobbered and grouping.
13549 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13550 (compute_flow_insensitive_aliasing): Grouping now happens in our
13552 (setup_pointers_and_addressables): Remove clobbering related code.
13553 (add_may_alias): Ditto.
13554 (replace_may_alias): Ditto.
13555 (get_nmt_for): Ditto.
13556 (create_global_var):
13557 (is_escape_site): Return an escape_type enumeration.
13558 * tree-flow-inline.h (is_call_clobbered): Global var does not
13559 imply call clobbered.
13560 (mark_call_clobbered): Take a reason for marking this. Remove
13561 marking of globalness, and cache invalidation.
13562 (clear_call_clobbered): Remove cache invalidation code.
13563 * tree-dfa.c (dump_variable): If details is on, dump the reason
13565 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13567 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13568 (struct var_ann_d): Ditto.
13569 (enum escape_type): New.
13570 (mark_call_clobbered): Adjust prototype.
13571 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13572 are never call clobbered.
13573 Record reasons for escaping.
13574 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13575 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13576 (ssa_ro_call_cache_valid): Ditto.
13577 (clobbered_v_may_defs): Ditto.
13578 (clobbered_vuses): Ditto.
13579 (ro_call_vuses): Ditto.
13580 (clobber_stats): New.
13581 (init_ssa_operands): Zero out clobber stats.
13582 (fini_ssa_operands): Print out clobber stats.
13583 (get_call_expr_operands): Pass callee fndecl to
13584 add_call_read_ops).
13585 (add_call_clobber_ops): Remove use of cache.
13586 Add use of PURE_CONST information.
13587 (add_call_read_ops): Remove use of cache.
13588 Add use of static not_read information.
13590 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13592 Introduce TLS descriptors for i386 and x86_64.
13593 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13594 (TARGET_ANY_GNU_TLS): New macro.
13595 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13596 (struct machine_function): Add tls_descriptor_call_expanded_p.
13597 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13598 (ix86_current_function_calls_tls_descriptor): Likewise.
13599 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13600 (override_options): Introduce gnu2 tls dialect.
13601 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13603 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13605 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13606 (ix86_init_machine_status): Initialize new field.
13607 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13608 (ix86_tls_module_base): New.
13609 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13610 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13611 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13612 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13613 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13614 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13615 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13616 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13617 * config/i386/predicates.md (tls_modbase_operand): New.
13618 (tp_or_register_operand): New.
13620 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13622 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13623 (look_for_address_of): Ditto.
13624 (ipa_init): Walk the function decls.
13625 (static_execute): Don't set readonly on FUNCTION_DECL's.
13627 2006-01-18 Roger Sayle <roger@eyesopen.com>
13629 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13630 for shifts where the source and destination registers are different.
13632 2006-01-18 Paul Brook <paul@codesourcery.com>
13634 Merge from csl-arm-branch.
13635 2005-03-14 Julian Brown <julian@codesourcery.com>
13636 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13637 (aeabi_llsl): Likewise.
13638 (ashrdi3): Likewise.
13639 (aeabi_lasr): Likewise.
13640 (lshrdi3): Likewise.
13641 (aeabi_llsr): Likewise.
13642 2005-03-10 Julian Brown <julian@codesourcery.com>
13643 * config.gcc: Disable shared libgcc for SymbianOS.
13644 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13646 2006-01-18 DJ Delorie <dj@redhat.com>
13648 * c-pragma.c (handle_pragma_diagnostic): New.
13649 (init_pragma): Register it.
13650 * doc/extend.texi: Document it.
13652 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13653 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13654 (diagnostic_context): Add classify_diagnostic[].
13655 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13656 as errors if they're overridden to DK_WARNING.
13657 (diagnostic_initialize): Initialize classify_diagnostic[].
13658 (diagnostic_set_kind_override): New.
13659 (diagnostic_report_diagnostic): Check for kind changes.
13660 * opts.c (common_handle_option): Take lang_mask. Update callers.
13661 Handle OPT_Werror_.
13662 * common.opt (Werror=): New.
13663 * doc/invoke.texi: Document -Werror=*
13665 2006-01-18 Jeff Law <law@redhat.com>
13667 * tree-vrp.c (test_for_singularity): Correct test for new
13668 min limit. Use operand_equal_p rather than pointer equality
13669 for testing if new min/max values are equal.
13671 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13672 using range information until after propagation and folding.
13674 2006-01-18 Richard Henderson <rth@redhat.com>
13675 Aldy Hernandez <aldyh@redhat.com>
13676 Jakub Jelinek <jakub@redhat.com>
13677 Diego Novillo <dnovillo@redhat.com>
13679 * omp-low.c: New file.
13680 * c-omp.c: New file.
13682 2006-01-18 Richard Henderson <rth@redhat.com>
13683 Jakub Jelinek <jakub@redhat.com>
13684 Diego Novillo <dnovillo@redhat.com>
13686 * doc/invoke.texi: Document -fopenmp.
13687 * tree-dump.h (debug_function): Declare.
13688 * hooks.c (hook_bool_tree_bool_false): New function.
13689 (hook_tree_tree_null): Remove.
13690 (hook_tree_tree_tree_null): New.
13691 * hooks.h: Update to match.
13692 * tree-pretty-print.c (debug_tree_chain): New.
13693 (print_generic_expr): Handle TDF_CHAIN.
13694 (dump_generic_node): Handle BLOCK.
13695 Do not abort with incomplete SWITCH_EXPRs.
13696 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13697 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13698 print space after directive name.
13699 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13700 Handle OMP_MASTER and OMP_ORDERED.
13701 Handle printing of OMP_BODY just in one place, goto
13702 dump_omp_body in the rest of OMP_* nodes that have
13704 Don't handle clause nodes here. Update omp statements to
13705 use dump_omp_clauses.
13706 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13707 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13708 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13709 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13710 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13711 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13712 Adjust output for GOMP_PARALLEL.
13713 (dump_omp_clauses): New.
13714 (print_declaration): Dump DECL_VALUE_EXPR.
13715 (op_symbol_1): Split out of op_symbol.
13716 (dumping_stmts): Remove. Update all users.
13717 * cgraph.c (cgraph_analyze_queue): New.
13718 (cgraph_add_new_function): New.
13719 * cgraph.h (cgraph_analyze_queue): Declare.
13720 (cgraph_add_new_function): Declare.
13721 (cgraph_lower_function): Remove.
13722 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13723 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13724 and TYPE_P nodes in its default clause.
13725 (empty_body_p): New.
13726 (tree_range_check_failed): New.
13727 (build5_stat): New.
13728 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13729 OMP_CLAUSE_REDUCTION_MERGE,
13730 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13731 OMP_CLAUSE_PRIVATE_DEBUG,
13732 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13733 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13734 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13735 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13736 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13737 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13738 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13739 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13740 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13741 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13742 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13743 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13744 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13745 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13746 (TREE_RANGE_CHECK): New.
13747 (empty_body_p): Declare.
13748 (enum omp_clause_default_kind): New.
13749 (build_string_literal): Declare.
13750 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13751 (build5_stat, build5): Declare.
13752 * tree-pass.h (TDF_CHAIN): Define.
13753 * tree-pass.h (PROP_gimple_lomp): Define.
13754 (pass_lower_omp): Declare.
13755 * diagnostic.h (debug_tree_chain): Declare.
13756 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13758 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13759 * builtins.c (build_string_literal): Make extern.
13760 * gcc.c (include_spec_function): New.
13761 (static_spec_functions): Add it.
13762 (main): Move load of libgomp.spec ...
13763 (LINK_COMMAND_SPEC): ... here.
13764 (link_gomp_spec): New.
13765 (static_specs): Include it.
13766 (LINK_COMMAND_SPEC): Add link_gomp.
13767 (GOMP_SELF_SPECS): New.
13768 (driver_self_specs): Include it.
13769 (switch_matches): Don't mark inline.
13770 (main): Load libgomp.spec.
13771 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13772 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13773 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13774 * tree-gimple.h (enum omp_parallel): Declare.
13775 (determine_parallel_type): Declare.
13776 (omp_firstprivatize_variable): Declare.
13777 (omp_reduction_init): Declare.
13778 (diagnose_omp_structured_block_errors): Declare.
13779 (struct walk_stmt_info): Add want_return_expr.
13780 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13781 (find_omp_clause): Declare.
13782 (insert_field_into_struct): Declare.
13783 (struct walk_stmt_info): Move from tree-nested.c
13784 (walk_stmts): Declare.
13785 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13787 * cgraphunit.c (cgraph_lower_function): Make static.
13788 (cgraph_finalize_pending_functions): New.
13789 (cgraph_finalize_function): Call it.
13790 (cgraph_finalize_compilation_unit): Likewise.
13791 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13792 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13793 (BT_FN_UINT_UINT): New.
13794 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13795 DEF_FUNCTION_TYPE_VAR_4): Document.
13796 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13797 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13798 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13799 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13800 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13801 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13802 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13803 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13804 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13805 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13806 into separate files.
13807 (DEF_GOMP_BUILTIN): New.
13808 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13809 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13810 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13811 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13812 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13813 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13814 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13815 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13816 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13817 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13818 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13819 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13820 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13821 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13822 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13823 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13824 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13825 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13826 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13827 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13828 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13829 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13830 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13831 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13832 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13833 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13834 * sync-builtins.def: New file, moved from builtins.def.
13835 * omp-builtins.def: New file, moved from builtins.def.
13836 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13837 * gimple-low.c (lower_function_body): Clear data.
13838 (lower_stmt): Do not handle COMPOUND_EXPR.
13839 Remove call to print_node_brief.
13840 * c-tree.h (c_finish_omp_clauses): New prototype.
13841 (C_DECL_THREADPRIVATE_P): Define.
13842 (lookup_name_no_remap, c_omp_remap_private): Remove
13843 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13844 (check_for_loop_decls): Update decl.
13845 (lookup_name_no_remap, c_omp_remap_private): Declare.
13846 (build_indirect_ref, build_modify_expr, pushdecl,
13847 pushdecl_top_level): Move to c-common.h.
13848 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13849 before the switch, but just in the 2 places that need it.
13850 * c-decl.c (diagnose_mismatched_decls): Do not check for
13851 mismatched thread-local attributes when OLDDECL is marked
13852 threadprivate and NEWDECL has no thread-local attributes.
13853 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13854 (c_gimple_diagnostics_recursively): Rename from
13855 c_warn_unused_result_recursively. Invoke
13856 diagnose_omp_structured_block_errors.
13857 (check_for_loop_decls): Return a singular decl found.
13858 * langhooks.c (lhd_omp_predetermined_sharing): Return
13859 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13860 (lhd_omp_firstprivatize_type_sizes): New.
13861 (lhd_omp_assignment): New.
13862 (lhd_omp_predetermined_sharing): New.
13863 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13864 (struct lang_hooks_for_types): Add
13865 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13866 omp_predetermined_sharing, omp_disregard_value_expr,
13867 omp_private_debug_clause, omp_clause_default_ctor,
13868 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13869 (c_finish_omp_clauses): New.
13870 (c_finish_bc_stmt): Diagnose break within omp for.
13871 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13872 (build_unary_op): Return error_mark after reporting
13874 (build_modify_expr): Likewise.
13875 * gimplify.c: Include optabs.h and pointer-set.h.
13876 (enum gimplify_omp_var_data): Declare.
13877 (struct gimplify_omp_ctx): Declare.
13878 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13880 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13881 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13882 (splay_tree_compare_decl_uid): New.
13883 (new_omp_context): New.
13884 (delete_omp_context): New.
13885 (gimple_add_tmp_var): Call omp_add_variable.
13886 (gimplify_bind_expr): Likewise.
13887 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13888 true, disregard DECL_VALUE_EXPR on the decl if any.
13889 (gimplify_expr_in_ctx): New.
13890 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13891 omp_add_variable, omp_notice_variable, omp_is_private
13892 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13893 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13894 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13895 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13896 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13897 gimplify_omp_atomic): New.
13898 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13899 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13900 OMP_CRITICAL and OMP_ATOMIC.
13901 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13902 * c-pragma.h (enum pragma_kind): Add
13903 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13904 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13905 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13906 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13907 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13908 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13909 PRAGMA_OMP_THREADPRIVATE.
13910 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13911 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13912 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13913 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13914 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13915 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13916 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13917 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13918 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13919 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13920 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13921 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13922 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13924 (struct nesting_info): Add field_map,
13925 suppress_expansion, debug_var_chain.
13926 (create_nesting_tree): Initialize them.
13927 (lookup_field_for_decl): Use field_map.
13928 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13929 (convert_local_omp_clauses): New.
13930 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13931 (walk_body): Split out of walk_function.
13932 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13933 (convert_nonlocal_reference): Handle omp statements.
13934 (convert_local_reference): Likewise.
13935 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13936 (unnest_nesting_tree): New.
13937 (lower_nested_functions): Call it.
13938 (insert_field_into_struct): Make extern.
13939 (struct walk_stmt_info): Move to tree-gimple.h.
13940 (walk_stmts): Make extern.
13941 * omp-builtins.def: New file.
13942 * tree-iterator.c (expr_only): Clarify comment.
13943 * c-common.h (pushdecl_top_level, pushdecl,
13944 build_modify_expr, build_indirect_ref,
13945 c_finish_omp_master, c_finish_omp_critical,
13946 c_finish_omp_ordered, c_finish_omp_barrier,
13947 c_finish_omp_atomic, c_finish_omp_flush,
13948 c_finish_omp_for, c_split_parallel_clauses,
13949 omp_clause_default_kind, c_omp_sharing_predetermined,
13950 c_omp_remap_decl): Declare.
13951 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13952 (OBJS-common): Add omp-low.o.
13953 (c-omp.o, omp-low.o): Add.
13954 (gimplify.o): Add dependency on $(OPTABS_H).
13955 (GTFILES): Add omp-low.c.
13956 (gt-stringpool.h): Add.
13957 * tree-cfg.c (set_bb_for_stmt): Do not update the
13958 block-to-labels map if we are currently expanding to RTL.
13959 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13961 Handle IDENTIFIER_NODE.
13962 (tree_verify_flow_info): Do not ICE when emitting error
13963 messages about invalid labels.
13964 (dump_function_to_file): Reset CFUN before emitting the body
13966 (debug_function): New.
13967 * passes.c (init_optimization_passes): Schedule
13969 * langhooks-def.h (lhd_omp_predetermined_sharing,
13970 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13972 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13973 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13974 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13975 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13976 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13977 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13978 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13979 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13980 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13981 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13982 (LANG_HOOK_DECLS): Use them.
13984 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13985 Richard Henderson <rth@redhat.com>
13986 Jakub Jelinek <jakub@redhat.com>
13987 Diego Novillo <dnovillo@redhat.com>
13989 * c-parser.c (pragma_omp_clause): Define.
13990 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13991 (c_parser_compound_statement): Likewise.
13992 (c_parser_statement): Likewise.
13993 (c_parser_pragma): Handle omp pragmas.
13994 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13995 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13996 (c_parser_omp_clause_name, check_no_duplicate_clause,
13997 c_parser_omp_variable_list,
13998 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13999 c_parser_omp_clause_copyprivate,
14000 c_parser_omp_clause_default,
14001 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14002 c_parser_omp_clause_lastprivate,
14003 c_parser_omp_clause_nowait,
14004 c_parser_omp_clause_num_threads,
14005 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14006 c_parser_omp_clause_reduction,
14007 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14008 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14009 c_parser_omp_atomic, c_parser_omp_barrier,
14010 c_parser_omp_critical, c_parser_omp_flush,
14011 c_parser_omp_for_loop, c_parser_omp_for,
14012 c_parser_omp_master, c_parser_omp_ordered,
14013 c_parser_omp_sections_scope, c_parser_omp_sections,
14014 c_parser_omp_parallel, c_parser_omp_single,
14015 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14016 * c-pragma.c (init_pragma): Do omp pragma registration here.
14017 * c.opt (fopenmp): New flag.
14019 2006-01-18 Eric Christopher <echristo@apple.com>
14021 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14022 * config/darwin.h (GOMP_SELF_SPECS): Define.
14024 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14026 * rtl.h: Remove the prototype for reg_alloc.
14028 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14031 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14032 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14033 sjlj and dwarf2 exception handling.
14034 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14035 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14036 * pa/pa.c (function_value): Treat complex and vector types as
14038 (function_arg): Likewise. Only pass scalar floats in the floating
14039 point argument registers.
14040 * pa/t-slibgcc-dwarf-ver: New file.
14041 * pa/t-slibgcc-sjlj-ver: New file.
14042 * pa/t-slibgcc-elf-ver: Delete file.
14044 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14046 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14047 unlikely_test_section_p test.
14049 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14051 * mode-switching.c (optimize_mode_switching): Make it static.
14052 * basic-block.h: Remove the prototype for
14053 optimize_mode_switching.
14055 * modulo-sched.c (sms_schedule): Make it static.
14056 * rtl.h: Remove the prototype for sms_schedule.
14058 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14059 * rtl.h: Remove the prototype for gcse_after_reload_main.
14061 * reg-stack.c (reg_to_stack): Make it static.
14062 * rtl.h: Remove the prototype for reg_to_stack.
14064 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14066 * rtl.h: Remove the prototypes for regrename_optimize and
14067 copyprop_hardreg_forward.
14069 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14071 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14072 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14073 Test against the appropriate null constant for the mode.
14074 If 'fixup_overlap' is true, swap the operands if they overlap.
14075 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14076 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14077 alpha_split_tmode_pair and adjust for above change.
14078 * config/alpha/alpha.md (movtf_internal): Adjust call to
14079 alpha_split_tfmode_pair and rely on it to swap the operands.
14080 (movti_internal): New insn and post-reload splitter.
14081 (movti): New expander.
14083 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14085 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14088 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14090 * rtlanal.c (global_reg_mentioned_p_1,
14091 global_reg_mentioned_p): Remove.
14092 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14094 * flow.c (initialize_uninitialized_subregs): Make it static.
14095 * rtl.h: Remove the prototype for
14096 initialize_uninitialized_subregs.
14098 * function.c (instantiate_virtual_regs): Make it static.
14099 * function.h: Remove the prototype for
14100 instantiate_virtual_regs.
14102 * regmove.c (regmove_optimize, combine_stack_adjustments):
14104 * rtl.h: Remove the prototypes for regmove_optimize and
14105 combine_stack_adjustments.
14107 2006-01-17 Roger Sayle <roger@eyesopen.com>
14109 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14110 (size_cost): Encode costs in bytes so that a reg-reg addition is
14111 equivalent to COSTS_N_INSNS(1).
14112 (override_options): Use the size_cost.branch_cost as the default
14113 ix86_branch_cost when optimizing for size.
14115 2006-01-18 Ben Elliston <bje@au.ibm.com>
14117 * Makefile.in (D32PBIT_FUNCS): New.
14118 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14119 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14120 D64PBIT_FUNCS and D128PBIT_FUNCS.
14121 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14122 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14124 (decnumber_dep): Define.
14125 * doc/libgcc.texi (Decimal float library routines): New node.
14126 * config/dfp-bit.h, config/dfp-bit.c: New files.
14128 2006-01-18 Ben Elliston <bje@au.ibm.com>
14130 * expr.c (emit_move_change_mode): Always adjust addresses, not
14131 just during reload. Copy replacements only during reload.
14132 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14133 emit_move_via_integer.
14135 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14137 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14138 instead of $(srcdir) and ${srcdir}.
14140 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14143 PR middle-end/11135
14144 * arm.h (struct machine_function): Add pic_reg.
14145 * arm.c (arm_pic_register): Make unsigned.
14146 (arm_override_options): Only set arm_pic_register if
14147 TARGET_SINGLE_PIC_BASE.
14148 (use_return_insn): Only test for a pic register if it is fixed.
14149 (arm_compute_save_reg0_reg12_mask): Likewise.
14150 (thumb_compute_save_reg_mask): Likewise.
14151 (legitimate_pic_operand): Factor out some known invariants.
14152 (legitimize_pic_address): If we don't have a fixed pic register,
14153 then set up a pseudo in the function entry sequence. Handle the
14154 pic base being in a pseudo.
14155 (arm_load_pic_register): Handle the pic register being in a pseudo.
14156 (arm_expand_prologue): Only set up the pic register if it is fixed.
14157 (thumb_expand_prologue): Likewise.
14158 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14159 (pic_load_addr_based_insn): Likewise.
14160 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14163 2006-01-18 Ben Elliston <bje@au.ibm.com>
14165 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14166 decimal float modes for all floating point registers.
14168 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14169 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14171 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14174 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14175 even when the pointer is not NULL.
14177 2006-01-16 Ian Lance Taylor <ian@airs.com>
14179 * common.opt (ftoplevel-reorder): New option.
14180 * cgraph.c (cgraph_asm_nodes): New global variable.
14181 (cgraph_asm_last_node): New static variable.
14182 (cgraph_order): New global variable.
14183 (cgraph_create_node): Set new order field.
14184 (cgraph_varpool_node): Likewise.
14185 (decide_is_variable_needed): Return true if not
14186 flag_toplevel_reorder.
14187 (cgraph_add_asm_node): New function.
14188 * cgraph.h (struct cgraph_node): Add order field.
14189 (struct cgraph_varpool_node): Add order field.
14190 (struct cgraph_asm_node): Define.
14191 (cgraph_asm_nodes, cgraph_order): Declare.
14192 (cgraph_add_asm_node): Declare.
14193 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14195 (cgraph_varpool_assemble_pending_decls): Call it.
14196 (cgraph_output_pending_asms): New static function.
14197 (cgraph_finalize_compilation_unit): Call it.
14198 (struct cgraph_order_sort): Define.
14199 (cgraph_output_in_order): New static function.
14200 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14201 !flag_toplevel_reorder case.
14202 * c-parser.c: Include "cgraph.h".
14203 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14205 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14206 than -fno-unit-at-a-time.
14207 * doc/invoke.texi (Option Summary): Mention
14208 -fno-toplevel-reorder.
14209 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14210 -funit-at-a-time documentation.
14212 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14213 Kazu Hirata <kazu@codesourcery.com>
14215 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14217 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14219 * Makefile.in (FUNCTION_H): New. Use it instead of
14220 function.h throughout the file.
14221 * function.h: Include tree.h.
14223 2006-01-17 Ben Elliston <bje@au.ibm.com>
14225 * recog.c: Separate some functions with whitespace.
14227 2006-01-16 Richard Henderson <rth@redhat.com>
14229 Merge from gomp branch:
14230 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14231 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14232 and rename from struct inline_data. Rename callee* to dst*;
14233 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14234 transform_new_cfg, transform_return_to_modify, and
14235 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14237 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14238 (copy_decl_for_dup): Remove.
14239 * tree-inline.c (struct inline_data): Move to header.
14240 (insert_decl_map): Export.
14241 (remap_decl): Update for member name changes. Use copy_decl hook.
14242 Allow for replacement to be a non-decl. Remove dead code.
14243 (remap_type_1): Check for existing mapping.
14244 (remap_type): Export.
14245 (remap_decls): Update for member name changes.
14246 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14247 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14248 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14249 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14250 (tree_function_versioning, build_duplicate_type): Likewise.
14251 (copy_body_r): Likewise. Export.
14252 (copy_decl_for_dup): Split into ...
14253 (copy_decl_for_dup_finish, copy_decl_to_var,
14254 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14255 (replace_ref_tree, inlining_p): Remove.
14257 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14259 * ifcvt.c (if_convert): Make it static.
14260 * rtl.h: Remove the prototype for if_convert.
14262 * local-alloc.c (local_alloc): Make it static.
14263 * rtl.h: Remove the prototype for local_alloc.
14265 * loop.c (loop_optimize): Make it static.
14266 * cfgloop.h: Remove the prototype for loop_optimize.
14269 2006-01-16 DJ Delorie <dj@redhat.com>
14271 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14274 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14276 * pa.md: Disparage copies between general and floating-point registers
14277 in 32-bit move patterns.
14279 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14282 * Makefile.in (check-%): Depend on site.exp instead of
14283 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14286 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14288 * global.c (global_alloc): Make it static.
14289 * rtl.h: Remove the prototype for global_alloc.
14291 2006-01-16 Richard Guenther <rguenther@suse.de>
14293 * tree-ssa-alias.c (struct used_part): Add write_only field.
14294 (get_or_create_used_part_for): Initialize it to true.
14295 (create_overlap_variables_for): Don't create structure variables
14296 for structures that only are written to.
14297 (find_used_portions): Handle MODIFY_EXPR to track whether a
14298 structure is only written to.
14300 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14302 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14304 * basic-block.h: Remove the prototype for
14305 partition_hot_cold_basic_blocks.
14307 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14309 * cppspec.c (lang_specific_spec_functions): Remove.
14310 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14311 * gcc.h (lang_specific_spec_functions): Remove.
14312 * gccspec.c (lang_specific_spec_functions): Remove.
14314 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14316 * combine.c (record_value_for_reg): Invalidate registers
14318 (record_dead_and_set_regs_1): Likewise, by passing them to
14319 record_value_for_reg.
14320 (record_dead_and_set_regs): Invalidate stores made by a
14321 call. We do not combine across a call, but we still
14322 relied on equivalences.
14324 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14326 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14327 vrp_int_const_binop returning non-constant nodes.
14329 2006-01-16 Paul Brook <paul@codesourcery.com>
14331 * config/m68k/m68k.c (output_move_const_into_data_reg):
14332 Output correct mnemonic for mvz and mvs.
14334 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14336 * rtl-factoring.c: Add sequence abstraction algorithm.
14337 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14338 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14340 (block_has_preserve_label): New function.
14341 * common.opt: Register new pass.
14342 * Makefile.in: Ditto.
14344 * timevar.def: Ditto.
14345 * tree-pass.h: Ditto.
14346 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14347 * rtl.h (make_jump_insn_raw): Add forward decl.
14348 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14350 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14351 Roger Sayle <roger@eyesopen.com>
14353 * fold-const.c (fold_minmax): New static function.
14354 (fold_binary) <MIN_EXPR>: Call it.
14355 <MAX_EXPR>: Likewise.
14356 * stor-layout.c (place_field): Use DECL_SIZE consistently
14357 in the computation of the new record size.
14359 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14361 * cse.c (cse_condition_code_reg): Make it static.
14362 * rtl.h: Remove the prototype for cse_condition_code_reg.
14364 * combine.c (combine_instructions): Make it static.
14365 * rtl.h: Remove the prototype for combine_instructions.
14367 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14370 * tree.c (get_file_function_name_long): Concatenate the first global
14371 object name with a string derived from the input filename of the object
14374 2006-01-16 Ben Elliston <bje@au.ibm.com>
14376 * config/i386/winnt-stubs.c: Update FSF address.
14377 * config/xtensa/ieee754-df.S: Ditto.
14378 * config/xtensa/ieee754-sf.S: Ditto.
14380 2006-01-14 Ian Lance Taylor <ian@airs.com>
14382 * ifcvt.c (noce_init_if_info): New static function, broken out of
14383 noce_process_if_block.
14384 (noce_process_if_block): Call noce_init_if_info.
14385 (check_cond_move_block): New static function.
14386 (cond_move_process_if_block): New static function.
14387 (process_if_block): Call cond_move_process_if_block.
14389 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14391 * cselib.c (hash_table): Rename to cselib_hash_table.
14392 (cselib_clear_table, discard_useless_values,
14393 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14394 cselib_init, cselib_finish): Adjust uses of hash_table.
14396 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14398 PR tree-optimization/25485
14399 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14400 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14401 is known to be false and true, respectively.
14403 2006-01-14 Richard Guenther <rguenther@suse.de>
14405 PR tree-optimization/22548
14406 PR tree-optimization/22555
14407 PR tree-optimization/22501
14408 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14409 * params.def (salias-max-array-elements): New parameter.
14410 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14411 * doc/invoke.texi (salias-max-array-elements): Document.
14412 * tree-flow-inline.h (var_can_have_subvars): We also handle
14414 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14416 * tree-ssa-structalias.c (params.h): Include.
14417 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14418 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14419 (get_constraint_for): For ADDR_EXPR operating on something
14420 containing an ARRAY_REF, add all subvars to the solution.
14421 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14422 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14423 for creating MUST_DEFs.
14424 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14426 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14428 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14430 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14431 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14432 number_of_iterations_le): New functions.
14433 (number_of_iterations_special): Removed.
14434 (number_of_iterations_exit): Do not use number_of_iterations_special.
14435 * tree.c (unsigned_type_for): Always return integer type.
14437 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14438 Richard Guenther <rguenther@suse.de>
14440 PR rtl-optimization/24257
14441 * gcse.c (find_moveable_store): Only consider a store movable
14442 when the SET_SRC of the insn can be assigned to a register.
14444 2006-01-14 Ian Lance Taylor <ian@airs.com>
14446 * tree.c (tree_not_class_check_failed): New function.
14447 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14448 (tree_not_class_check_failed): Declare.
14450 2006-01-13 Ian Lance Taylor <ian@airs.com>
14452 * reload1.c (do_output_reload): Add assertion rejecting a
14455 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14457 * combine.c (struct reg_stat): Add new fields truncation_label and
14459 (record_value_for_reg): Reset truncated_to_mode.
14460 (record_truncated_value): New function.
14461 (check_promoted_subreg): Call it. Rename to check_conversions.
14462 (combine_instructions): Rename check_promoted_subreg to
14464 (reg_truncated_to_mode): New function.
14465 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14466 (gen_lowpart_or_truncate): New function.
14467 (force_to_mode): Use it instead of gen_lowpart.
14469 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14471 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14472 VAR is a tag, not its type tag.
14474 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14476 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14477 alternatives to match style of other entries.
14478 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14480 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14482 PR tree-optimization/25771
14483 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14486 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14489 * tree-inline.c (declare_return_variable): If the return variable
14490 was marked as a non gimple complex, set the return slot variable
14491 to be a non gimple comple variable.
14493 2006-01-13 Richard Guenther <rguenther@suse.de>
14495 * builtins.c (expand_builtin_sincos): New function.
14496 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14498 (expand_builtin): Expand sincos using expand_builtin_sincos.
14500 2006-01-12 DJ Delorie <dj@redhat.com>
14502 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14503 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14504 so that constant shifts can be split.
14505 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14506 (m32c_valid_pointer_mode): Make static.
14507 (shift_gen_func_for): New.
14508 (m32c_prepare_shift): Use it. Split large const shifts into
14510 * config/m32c/predicates.md (shiftcount_operand): Allow more
14512 (longshiftcount_operand): New.
14513 * doc/md.texi (Machine Constraints): Document In6.
14515 2006-01-13 Ben Elliston <bje@au.ibm.com>
14517 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14518 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14521 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14523 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14524 to try to avoid clobbering pieces of structures when we know
14525 something about the whole structure.
14526 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14528 2006-01-13 Ben Elliston <bje@au.ibm.com>
14530 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14531 return in memory, as this is no limitation is no longer present.
14533 2006-01-12 DJ Delorie <dj@redhat.com>
14535 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14536 mova with fb, and for fb+0 -> An.
14538 * config/m32c/mov.md (peephole2): Fix enabling logic.
14540 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14541 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14542 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14543 FINI_ARRAY_SECTION_ASM_OP): Define.
14545 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14547 (m32c_legitimize_reload_address): New logic to reload FB to An.
14548 (m32c_output_reg_push): Add newline.
14549 (m32c_output_reg_pop): Likewise.
14551 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14553 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14555 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14557 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14559 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14561 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14564 2006-01-11 Ben Elliston <bje@au.ibm.com>
14566 * rtlanal.c (find_reg_note): Assert insn is not null.
14568 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14570 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14573 2006-01-11 Jeff Law <law@redhat.com>
14575 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14577 (mark_threaded_blocks, register_jump_thread): New functions.
14578 (thread_through_all_blocks): Remove unwanted argument. No
14579 longer rely on e->aux to communicate thread target info.
14580 Call mark_threaded_blocks. Release the threaded_blocks
14581 bitmap and threaded_edges vector when complete.
14582 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14583 (threaded_blocks): Remove.
14584 (tree_ssa_dominator_optimize): Remove initialization and
14585 finalization of threaded_blocks. Simplify call to
14586 thread_through_all_blocks.
14587 (thread_across_edge): Call register_jump_thread rather than
14588 storing thread information into e->aux.
14589 (free_all_edge_infos): Simplify now that e->aux is no longer
14590 used to communicate with thread_through_all_blocks.
14591 * tree-flow.h (thread_through_all_blocks): Update prototype.
14592 (register_jump_thread): Prototype.
14594 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14596 * df-core.c (df_compact_blocks, df_bb_replace): Use
14597 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14599 2006-01-11 Richard Guenther <rguenther@suse.de>
14601 PR tree-optimization/25734
14602 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14603 stop propagation after successful propagation to the LHS.
14605 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14607 * basic-block.h (control_flow_graph): Change the type of
14608 x_basic_block_info to VEC(basic_block,gc) *.
14609 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14611 (SET_BASIC_BLOCK): New.
14612 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14613 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14614 * cfgbuild.c (find_basic_blocks): Likewise.
14615 * cfglayout.c (fixup_reorder_chain): Likewise.
14616 * cfgrtl.c (create_basic_block_structure,
14617 rtl_create_basic_block): Likewise.
14618 * ifcvt.c (find_if_case_1): Likewise.
14619 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14622 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14624 * Makefile.in: Removed rotted odf.c entry.
14626 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14629 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14630 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14631 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14632 output pattern modifier, not %e.
14633 * config/cris/cris.c (cris_op_str): Update comment about pattern
14635 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14636 before falling through into...
14637 <case 'E'>: Redefined from old 'e' case.
14639 2006-01-11 Jan Hubicka <jh@suse.cz>
14642 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14644 2006-01-11 Jan Hubicka <jh@suse.cz>
14646 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14647 * i386.c (x86_decompose_lea): Kill.
14648 (ix86_rtx_costs): Kill.
14650 2006-01-11 Jan Hubicka <jh@suse.cz>
14652 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14653 * cgraph.h (cgraph_node): Add inline_decl.
14654 (cgraph_insert_node_to_hashtable): Declare.
14655 (save_inline_function_body): Declare.
14656 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14658 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14659 (cgraph_function_versioning): Update call of tree_function_versioning.
14660 (save_inline_function_body): New function.
14661 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14662 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14663 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14664 (cgraph_default_inline_p): Likewise.
14665 (cgraph_decide_inlining_incrementally): Likewise.
14666 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14667 (copy_bb): Kill saving; do updating of clones.
14668 (copy_cfg_body): Kill saving.
14669 (initialize_inlined-parameters): Likewise.
14670 (expand_call_inline): Likewise.
14672 (tree_function_versioning): New parameter "update_clones".
14673 (inlining_p): Kill saving.
14674 * tree-inline.h (tree_function_versioning): Update prototype.
14675 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14678 2006-01-11 Ian Lance Taylor <ian@airs.com>
14680 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14681 Allow undoing set of machine mode.
14682 (do_SUBST): Use enums instead of is_int.
14683 (do_SUBST_MODE): New function.
14684 (SUBST_MODE): New macro.
14685 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14686 reg and trying to replace reg_regno_rtx with a new register.
14687 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14688 (simplify_set): Use SUBST_MODE.
14689 (distribute_notes): Remove code that tried to update reg notes
14690 for regno_reg_rtx changes.
14692 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14694 PR tree-optimization/23109
14695 PR tree-optimization/23948
14696 PR tree-optimization/24123
14698 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14699 * tree-cfg.c (single_noncomplex_succ): New.
14700 * tree-flow.h (single_noncomplex_succ): Declare it.
14701 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14702 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14703 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14704 insert_bb, register_division_in, insert_reciprocals,
14705 replace_reciprocal, free_bb): New.
14706 (execute_cse_reciprocals_1): Rewritten.
14707 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14708 Do not commit any edge insertion. Always compute dominators and
14709 create the allocation pool.
14710 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14711 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14712 * targhooks.c (default_min_divistions_for_recip_mul): New.
14713 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14714 * passes.c (init_optimization_passes): Run recip after tree loop
14716 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14718 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14719 Kenneth Zadeck <zadeck@naturalbridge.com>
14721 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14722 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14723 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14724 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14725 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14726 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14727 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14728 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14729 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14730 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14731 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14732 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14733 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14734 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14735 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14736 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14737 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14738 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14739 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14740 DF_SCAN_POST_ALLOC): New macros.
14741 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14742 df_free_bb_function, df_local_compute_function, df_init_function,
14743 df_dataflow_function, df_confluence_function_0,
14744 df_confluence_function_n, df_transfer_function,
14745 df_finalizer_function, df_free_function, df_dump_problem_function,
14746 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14747 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14748 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14749 df_urec_bb_info, ) New types.
14750 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14752 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14753 df_analyze_simple_change_some_blocks,
14754 df_analyze_simple_change_one_block, df_compact_blocks,
14755 df_bb_replace, df_bb_regno_last_use_find,
14756 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14757 df_insn_regno_def_p, df_find_def, df_find_use,
14758 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14759 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14760 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14761 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14762 debug_df_chain, df_get_dependent_problem, df_chain_create,
14763 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14764 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14765 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14766 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14767 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14768 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14769 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14770 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14771 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14772 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14773 df_reorganize_refs, df_set_state, df_hard_reg_init,
14774 df_read_modify_subreg_p) New public functions.
14775 * df-core.c: The core dataflow solver and glue routines for rtl
14777 (df_init, df_add_problem, df_set_blocks, df_finish,
14778 df_hybrid_search_forward, df_hybrid_search_backward,
14779 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14780 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14781 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14782 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14783 df_reg_defined, df_find_use, df_reg_used, df_dump,
14784 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14785 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14786 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14787 debug_df_useno, reset_df_after_reload): New functions.
14788 * df-scan.c: The scanning fuctions, once in df.c, completely
14789 rewritten so that they now fully model the functionality of
14790 register usage at the backend.
14791 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14792 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14793 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14794 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14795 df_get_artificial_defs, df_get_artificial_uses,
14796 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14797 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14798 df_refs_delete, df_reorganize_refs, df_set_state,
14799 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14800 df_def_record_1, df_defs_record, df_uses_record,
14801 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14802 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14803 df_record_exit_block_uses, df_hard_reg_init): New functions.
14805 * df-problems.c: Seven concrete dataflow problems that use the
14806 scanning in df-scan.c and are solved by the engine in df-core.c.
14807 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14808 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14809 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14810 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14811 df_ru_free_bb_info, df_ru_alloc,
14812 df_ru_bb_local_compute_process_def,
14813 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14814 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14815 df_ru_transfer_function, df_ru_free, df_ru_dump,
14816 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14817 df_rd_free_bb_info, df_rd_alloc,
14818 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14819 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14820 df_rd_transfer_function, df_rd_free, df_rd_dump,
14821 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14822 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14823 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14824 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14825 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14826 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14827 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14828 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14829 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14830 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14831 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14832 df_urec_mark_reg_use_for_earlyclobber,
14833 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14834 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14835 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14836 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14837 df_chain_create_bb_process_use, df_chain_create_bb,
14838 df_chain_finalize, df_chain_free, df_chains_dump,
14839 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14840 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14841 df_reg_lifetime): New functions.
14842 * df.c: Deleted file.
14843 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14844 consistent with new df api.
14845 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14846 rest_of_handle_sms): Ditto.
14847 * web.c (unionfind_union, union_defs, entry_register, web_main):
14849 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14850 invariant_expr_equal_p, find_defs, check_dependencies,
14851 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14852 free_inv_motion_data, move_loop_invariants): Ditto.
14853 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14854 Update dependencies.
14855 (odf.c): Added defective entry that was deleted later in day.
14856 * sched-deps.c (sched_analyze_1): Ditto.
14858 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14860 * tree-ssa-operands.c (get_expr_operands): Record addressable
14861 variables directly. Do not call add_stmt_operands for CONST_DECLs
14863 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14864 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14866 2006-01-11 Ben Elliston <bje@au.ibm.com>
14868 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14869 function returns true in the positive case.
14871 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14874 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14875 for SI, DI, SF and DF modes. Add alternatives to copy between
14876 general and floating point registers to the 32-bit patterns.
14877 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14878 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14879 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14880 generating 64-bit code.
14881 * config/pa/pa.c (output_move_double): Handle copies between general
14882 and floating registers.
14884 2006-01-10 Stuart Hastings <stuart@apple.com>
14886 * config/i386/i386.md (set_got): Update.
14887 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14888 (builtin_setjmp_receiver): Mach-O support.
14889 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14890 (GOT_SYMBOL_NAME): Define.
14891 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14892 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14893 * config/i386/i386.c (override_options): Revise for Darwin.
14894 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14895 support. (darwin_x86_file_end): New. (output_set_got): Add label
14896 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14897 * config/i386/i386-protos.h (output_set_got): Likewise.
14898 * config/darwin.c (machopic_legitimize_pic_address): Update
14901 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14903 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14904 when MODE isn't BLKmode.
14906 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14908 PR rtl-optimization/25367
14909 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14911 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14914 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14915 for a negative bound.
14917 2006-01-10 Richard Guenther <rguenther@suse.de>
14919 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14920 Never override with anything constraint.
14922 2006-01-10 Jan Beulich <jbeulich@novell.com>
14924 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14925 256 bits when optimize_size.
14927 2006-01-10 Jan Beulich <jbeulich@novell.com>
14929 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14931 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14932 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14935 2006-01-10 Ben Elliston <bje@au.ibm.com>
14937 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14939 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14940 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14941 (USE_FP_FOR_ARG): Reject decimal float modes.
14942 (function_arg_advance): Likewise.
14943 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14944 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14945 point types in AltiVec vectors.
14946 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14947 (rs6000_libcall_value): Likewise.
14949 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14951 * config/xtensa/ieee754-df.S: New file.
14952 * config/xtensa/ieee754-sf.S: New file.
14953 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14954 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14955 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14957 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14959 * config/sh/predicates.md (binary_float_operator,
14960 binary_logical_operator, commutative_float_operator,
14961 equality_comparison_operator, greater_comparison_operator,
14962 less_comparison_operator, logical_operator,
14963 noncommutative_float_operator, shift_operator,
14964 symbol_ref_operand, unary_float_operator): Remove redundant
14967 2006-01-09 Jeff Law <law@redhat.com>
14969 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14970 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14971 now unused arguments. Callers updated.
14972 (eliminate_redundant_computations): Remove now unused arguments,
14974 (local_fold): Remove, no longer used.
14975 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14977 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14978 (simplify_cond): New function.
14979 (forward_propagate_into_cond): Call simplify_cond.
14981 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14983 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14984 (*vec_extractv2di_1_sse): New.
14986 2006-01-09 Ben Elliston <bje@au.ibm.com>
14988 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14990 2006-01-08 Richard Guenther <rguenther@suse.de>
14992 * tree-ssa-structalias.c (get_constraint_for): Remove
14993 anyoffset argument.
14994 (get_constraint_for_component_ref): Likewise.
14995 (do_deref): Likewise.
14996 (get_constraint_for): Likewise.
14997 (do_structure_copy): Likewise.
14998 (handle_ptr_arith): Likewise.
14999 (find_func_aliases): Likewise. Remove unused need_anyoffset
15002 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15003 Kaz Kojima <kkojima@gcc.gnu.org>
15005 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15006 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15007 (EXTRA_CONSTRAINT_C16): Remove.
15008 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15009 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15010 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15011 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15012 constants of SHmedia. Handle nested constant expressions of
15014 (andcosts): Fix the costs for SHmedia constants.
15015 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15016 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15017 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15018 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15019 (movv4hi_i, movv2si_i): Likewise.
15020 (movsi_const): Adjust the second operand of ior so to match with
15021 the Csu constraint.
15022 (movdi_const, movdi_const_32bit): Likewise.
15023 (movdi_const_16bit+1): Don't sign-extend LOW.
15024 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15026 (*double_shori): Fix the split condition. Use GEN_INT instead
15027 of get_int_mode calls. Mask lower 16-bit of the argument of
15029 (sym2GOTPLT): Remove.
15030 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15032 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15033 instead of EXTRA_CONSTRAINT_C16.
15035 2006-01-07 Ian Lance Taylor <ian@airs.com>
15036 David Edelsohn <edelsohn@gnu.org>
15038 PR rtl-optimization/25662
15039 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15040 for constant operands instead of simplify_gen_binary.
15041 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15042 after trying simplify_binary_operation
15044 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15046 * tree.c (iterative_hash_expr): Hash decls based on UID.
15048 2006-01-06 Eric Christopher <echristo@apple.com>
15050 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15051 (TARGET_UNWIND_EMIT): Fix spelling.
15052 * target.h (gcc_target): Add except_table_label.
15053 * except.c (output_function_exception_table): Use.
15054 * varasm.c (default_emit_except_table_label): New.
15055 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15057 (asm_out): Add here.
15058 * output.h (default_emit_except_table_label): Prototype.
15059 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15060 * config/darwin.c (darwin_emit_except_table_label): Define.
15061 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15063 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15065 PR tree-optimization/18527
15066 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15067 number_of_iterations_special, number_of_iterations_exit):
15068 Move base and step of an iv to a single structure. Add
15069 no_overflow flag, and use it in # of iterations analysis.
15070 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15071 folded_casts argument.
15072 (simple_iv): Pass base and step in a structure. Set no_overflow
15074 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15075 Evaluate expensiveness of computing # of iterations instead of
15076 the final expression.
15077 * tree-scalar-evolution.h (affine_iv): New structure.
15078 (simple_iv): Declaration changed.
15079 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15080 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15081 find_givs_in_stmt): Changed due to simple_iv change.
15083 2006-01-06 Jeff Law <law@redhat.com>
15086 * tree-cfg.c (bsi_replace): Rename final argument from
15087 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15088 change (stmt -> orig_stmt).
15089 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15090 (bsi_remove): Add new argument. Remove EH information
15092 (verify_eh_throw_table_statements): New function.
15093 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15095 * tree-optimize.c (execute_free_cfg_annotations): Verify
15096 the EH throw statement table after removing annotations.
15097 * except.h (verify_eh_throw_table_statements): Prototype.
15098 * tree-flow.h (bsi_remove): Update prototype.
15099 * tree-vrp.c (remove_range_assertions): Add new argument to
15101 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15102 * tree-complex.c (expand_complex_div_wide): Likewise.
15103 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15104 * tree-tailcall.c (eliminate_tailcall): Likewise.
15105 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15106 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15107 * tree-nrv.c (tree_nrv): Likewise.
15108 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15109 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15110 (combine_blocks): Likewise.
15111 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15112 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15113 (cleanup_control_flow): Likewise.
15114 (remove_forwarder_block): Likewise.
15115 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15116 * tree-sra.c (sra_replace): Likewise.
15117 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15118 (forward_propagate_single_use_vars): Likewise.
15119 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15120 * tree-inline.c (expand_call_inline): Likewise.
15121 * tree-vect-transform.c (vect_transform_loop): Likewise.
15122 * tree-outof-ssa.c (rewrite_trees): Likewise.
15123 * tree-cfg.c (make_goto_expr_edges): Likewise.
15124 (cleanup_dead_labels): Likewise.
15125 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15126 (bsi_move_before, bsi_move_after): Likewise.
15127 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15128 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15130 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15133 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15135 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15136 on non gimple variables. Also add checks at the top for decls and
15138 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15140 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15141 and IMAGPART_EXPR for creating MUST_DEFs.
15142 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15143 and NAME_MEMORY_TAG separately from the DECLs.
15145 2006-01-06 Richard Guenther <rguenther@suse.de>
15147 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15148 annotation, if necessary.
15149 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15150 redundant calls to update_stmt.
15151 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15154 2006-01-05 Richard Henderson <rth@redhat.com>
15156 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15158 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15160 * c-typeck.c: Update copyright date.
15162 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15164 * c-typeck.c (build_c_cast): Always warn when casting
15165 from a pointer to an integer of different size, even if
15166 the node was constant.
15168 2006-01-05 Richard Guenther <rguenther@suse.de>
15170 PR tree-optimization/22555
15171 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15172 if one structure field is an array.
15173 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15174 operands even if we found a subvar, but ignore VOPs in this
15176 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15178 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15180 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15182 PR middle-end/24998
15183 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15185 2006-01-05 Richard Guenther <rguenther@suse.de>
15186 Diego Novillo <dnovillo@redhat.com>
15188 * tree-pass.h (TODO_remove_unused_locals): Define.
15189 * gimple-low.c (expand_var_p, remove_useless_vars,
15190 pass_remove_useless_vars): Remove. Update all users.
15191 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15192 (remove_unused_locals): New function.
15193 * tree-flow.h (remove_unused_locals): Declare.
15194 * passes.c (execute_todo): Call remove_unused_locals if
15195 TODO_remove_unused_locals is set.
15196 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15197 * tree-ssa-dce.c (pass_dce): Likewise.
15198 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15200 2006-01-05 Richard Guenther <rguenther@suse.de>
15202 * tree-flow.h (struct fieldoff): Decompose field to
15203 type, size and decl.
15204 * tree-ssa-alias.c (create_sft): Take type as parameter.
15205 (create_overlap_variables_for): Store type, size and decl
15206 in the fieldoff structure.
15207 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15208 of struct fieldoff.
15209 (push_fields_onto_fieldstack): Likewise.
15210 (create_variable_info_for): Likewise. Use offset for the
15211 SFT name if the decl is not available.
15213 2006-01-04 Paul Brook <paul@codesourcery.com>
15215 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15217 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15219 * lambda-code.c (can_put_in_inner_loop): Relax
15221 (can_put_after_inner_loop): New function.
15222 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15223 (perfect_nestify): Change to make copies and modify uses.
15225 2006-01-04 Richard Henderson <rth@redhat.com>
15227 Merge from gomp branch:
15228 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15229 via integer constant.
15230 (pragma_lex): Remove.
15231 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15232 rather than parsing it.
15233 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15234 handle_pragma_extern_prefix): Add %< %> quotes.
15235 (registered_pragmas): New.
15236 (c_register_pragma_1): New.
15237 (c_register_pragma): Use it.
15238 (c_register_pragma_with_expansion): Likewise.
15239 (c_invoke_pragma_handler): New.
15240 (init_pragma): Use cpp_register_deferred_pragma directly for
15242 * c-pragma.h (enum pragma_kind): New.
15243 (pragma_handler): New.
15244 (c_invoke_pragma_handler): Declare.
15245 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15247 * c-common.h (c_common_pch_pragma): Update decl.
15248 * Makefile.in (c-parser.o): Update dependencies.
15249 (GTFILES): Add c-pragma.h.
15250 * c-parser.c (struct c_token): Add pragma_kind.
15251 (struct c_parser): Add in_pragma.
15252 (c_lex_one_token): Always initialize keyword and pragma_kind.
15253 Extract data for CPP_PRAGMA.
15254 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15255 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15256 Don't allow CPP_PRAGMA_EOL if in_pragma.
15257 (c_parser_consume_pragma): New.
15258 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15259 (c_parser_skip_to_end_of_parameter): Likewise.
15260 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15261 (c_parser_skip_to_pragma_eol): New.
15262 (c_parser_external_declaration): Handle CPP_PRAGMA.
15263 (c_parser_compound_statement_nostart): Likewise.
15264 (c_parser_statement_after_labels): Likewise.
15265 (c_parser_pragma): New.
15266 (pragma_lex): Likewise.
15267 (c_parser_pragma_pch_preprocess): New.
15268 (c_parser_new): Merge into ...
15269 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15271 2006-01-04 Jeff Law <law@redhat.com>
15274 * tree-cfg.c (bsi_replace): Remove the original statement
15275 from the EH throw statement table.
15277 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15279 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15280 make the prototype extern "C" and add throw ().
15283 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15284 and pos non-negative and pos + len <= 32.
15285 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15286 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15287 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15290 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15291 as well as sizes not multiple of component size.
15294 * function.c (instantiate_expr): New function.
15295 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15296 walk its DECL_VALUE_EXPR with instantiate_expr.
15298 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15299 DW_OP_deref{,_size} if address isn't going to be added.
15301 2006-01-04 Ben Elliston <bje@au.ibm.com>
15303 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15304 * config/fp-bit.c: Likewise.
15306 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15308 * dominance.c: Add comment about why we use DFS numbering
15311 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15312 Richard Henderson <rth@redhat.com>
15314 Merge from gomp-branch:
15315 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15316 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15318 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15320 PR rtl-optimization/25578
15321 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15322 pass a parameter to simplify_shift_const if changing ASHIFTRT
15325 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15327 * builtins.c (get_builtin_sync_mem): New function.
15328 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15329 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15330 Call get_builtin_sync_mem to generate mem rtx.
15332 2006-01-03 Richard Guenther <rguenther@suse.de>
15335 * stmt.c (add_case_node): Make sure to clear overflow flags
15338 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15340 Merge from gomp-branch.
15341 * config/sparc/sync.md: New file.
15342 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15343 UNSPECV_LDSTUB): New constants.
15344 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15345 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15346 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15349 2006-01-03 Roger Sayle <roger@eyesopen.com>
15351 * combine.c (reg_subword_p): New predicate to test whether the
15352 destination of a set refers to a subword/piece of a register.
15353 (try_combine): Generalize the code to merge the setting of a
15354 pseudo to a constant followed by a set of a subword of that
15355 register to a constant.
15357 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15359 * basic-block.h (control_flow_graph): Change the type of
15360 x_label_to_block_map to VEC(basic_block,gc) *.
15361 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15362 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15364 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15365 VEC(basic_block,heap) *.
15366 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15367 ssa_prop_fini): Adjust the uses of cfg_blocks.
15369 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15371 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15373 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15374 hashing trees instead of a pointer hash.
15375 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15376 compare for MEM_EXPR.
15378 PR rtl-optimization/25130
15379 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15380 when comparing MEMs for GCSE
15382 2006-01-03 Ben Elliston <bje@au.ibm.com>
15384 * targhooks.h (default_decimal_float_supported_p): Declare.
15385 * targhooks.c (default_decimal_float_supported_p): Define.
15386 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15387 `default_decimal_float_supported_p'.
15388 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15390 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15392 * combine.c (apply_distributive_law <SUBREG>): Check
15393 TRULY_NOOP_TRUNCATION.
15395 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15397 * dwarf2out.c (have_switched_text_section): Delete.
15398 (have_multiple_function_sections): New.
15399 (have_location_lists): Make 'bool'.
15400 (add_AT_loc_list): Use 'true' not '1'.
15401 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15402 (output_loc_list): Use have_multiple_function_sections.
15403 (output_ranges): Likewise.
15404 (dwarf2out_begin_function): Set have_multiple_function_sections if
15406 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15407 Check function_section rather than DECL_SECTION_NAME.
15408 (dwarf2out_finish): Use have_multiple_function_sections.
15409 Don't clear have_location_lists.
15411 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15412 Jan Hubicka <jh@suse.cz>
15414 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15415 case of conditional jump jumping to the next instruction.
15416 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15417 cases of conditional jump jumping to the next instruction.
15419 2006-01-02 Jan Hubicka <jh@suse.cz>
15421 * i386.c (*_cost): Add COSTS_N_INSNS.
15422 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15424 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15427 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15429 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15431 * config/arm/arm.c (all_fpus): Fix comment typo.
15432 * config/darwin.c: Likewise.
15433 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15434 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15435 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15437 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15439 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15440 (rs6000_split_compare_and_swapqhi): New.
15441 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15442 (sync_compare_and_swapqhi_internal): New.
15443 * config/rs6000/rs6000-protos.h: Declare.