1 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2 Adam Nemet <anemet@caviumnetworks.com>
4 * tree-ssa-loop-ivopts.c (aff_combination_convert,
5 determine_common_wider_type): New functions.
6 (get_computation_aff): Use them to simplify arithmetic between
7 UBASE and CBASE if they are shortened from the same type.
9 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
12 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
13 -2147483647 - 1 instead of 0x80000000.
15 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
17 * flags.h (HONOR_NANS): Fix typo in comment.
19 2006-09-23 Uros Bizjak <uros@kss-loka.si>
21 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
23 2006-09-23 Jakub Jelinek <jakub@redhat.com>
27 * tree.c (merge_attributes, attribute_list_contained): If both
28 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
30 * c-typeck.c (comptypes_internal): Don't consider aggregates
31 in different TUs as compatible if there one set of attributes is
32 not a subset of the other type's attributes.
33 (composite_type): Try harder not to create a new aggregate type.
35 2006-09-22 Geoffrey Keating <geoffk@apple.com>
37 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
38 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
39 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
40 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
41 than replicating condition above.
42 * config.host (i[34567]86-*-*): Always use driver-i386.o.
44 * config/darwin.h (LINK_SYSROOT_SPEC): New.
45 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
46 the linker by default.
48 2006-09-22 Mike Stump <mrs@apple.com>
50 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
53 2006-09-22 Richard Guenther <rguenther@suse.de>
56 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
57 sort of stack variables stable.
59 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
62 * explow.c (force_reg): Set REG_POINTER flag according to
65 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
67 PR tree-optimization/28888
68 * tree-if-conv.c (combine_blocks): Rewritten.
69 * tree-cfg.c (tree_verify_flow_info): Check that edges with
70 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
72 2006-09-22 Jakub Jelinek <jakub@redhat.com>
74 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
77 2006-09-21 Richard Sandiford <richard@codesourcery.com>
79 * varasm.c (copy_constant): Fix reversed gcc_assert check.
81 2006-09-21 Janis Johnson <janis187@us.ibm.com>
83 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
85 2006-09-21 Roger Sayle <roger@eyesopen.com>
88 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
89 dw_fde_current_label, to be the start of the function, i.e. the same
90 value as dw_fde_begin.
92 2006-09-20 Richard Sandiford <richard@codesourcery.com>
94 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
95 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
96 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
97 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
98 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
99 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
100 (abs<mode>2, neg<mode>2): Likewise.
101 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
102 (*mips_abs_ps): New define_insn.
104 2006-09-20 Josh Conner <jconner@apple.com>
107 * calls.c (expand_call): Allow reuse of structure return stack
110 2006-09-20 Paul Brook <paul@codesourcery.com>
112 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
115 2006-09-20 Janis Johnson <janis187@us.ibm.com>
117 * doc/extend.texi (Decimal Float): Update for latest draft TR,
118 clean up terminology.
120 2006-09-20 Steve Ellcey <sje@cup.hp.com>
123 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
124 with tablejumps in them.
126 2006-09-20 Jakub Jelinek <jakub@redhat.com>
129 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
130 wrap it into TARGET_EXPR.
132 2006-09-20 Eric Christopher <echristo@apple.com>
134 * config/i386/i386.c (x86_fisttp): Remove.
135 * config/i386/i386.h (x86_fisttp): Ditto.
136 (TARGET_FISTTP): Ditto.
138 2006-09-19 Eric Christopher <echristo@apple.com>
140 * doc/tm.texi (OBJC_JBLEN): Describe.
141 * config/i386/darwin.h (OBJC_JBLEN): Define.
142 * config/rs6000/darwin.h: Ditto.
144 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
146 PR rtl-optimization/21299
147 * reload1.c (reload): Purge invalid ASMs in the final pass.
149 2006-09-19 Steve Ellcey <sje@cup.hp.com>
152 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
153 pointers as legitimate constants.
155 2006-09-19 Paul Brook <paul@codesourcery.com>
158 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
160 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
162 PR tree-optimization/28887
163 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
164 component parts from the reference.
165 (gather_memory_references_ref): Record the reference without the
166 nonaddressable component parts.
168 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
171 * c-opts.c (c_common_handle_option): Ignore the -std options
172 if the input language is assembly.
174 2006-09-17 Ira Rosen <irar@il.ibm.com>
177 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
179 (ptr_ptr_may_alias_p): Likewise.
180 (record_record_differ_p): New function.
181 (base_object_differ_p): Call record_record_differ_p.
183 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
186 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
187 away for the expr argument.
189 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
192 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
193 before using it for dumping after vectorizing loops.
195 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
196 Jack Howarth <howarth@bromo.med.uc.edu>
199 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
200 skip on error_mark_node.
201 (rs6000_darwin64_record_arg_recurse): Likewise.
203 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
205 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
206 * doc/rtl.texi: Remove related documentation.
208 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
210 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
213 2006-09-15 Jim Wilson <wilson@specifix.com>
215 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
216 Handle symbol offsets same as they are handled in ia64_expand_move
219 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
221 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
222 Add forgotten parameter to the fprintf call.
224 2006-09-15 Steve Ellcey <sje@cup.hp.com>
226 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
228 2006-09-15 Uros Bizjak <uros@kss-loka.si>
230 * doc/contrib.texi: Add my entry.
232 2006-09-15 Nick Clifton <nickc@redhat.com>
234 * doc/md.texi (Processor pipeline description): Fix typo in
235 example of how to use the absence_set directive and reword the
236 description to make it slightly easier to read.
238 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
240 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
241 * loop-doloop.c (doloop_optimize): Use it to limit costs of
242 expanding the number of iterations.
243 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
245 * cfgrtl.c (emit_insn_at_entry): New function.
246 * rtl.h (emit_insn_at_entry): Declare it.
247 * integrate.c (emit_initial_value_sets): Use it.
249 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
251 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
253 (struct loop_work and related VEC declarations): Delete.
254 (bfin_dump_loops): Print out new member bad.
255 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
256 (bfin_scan_loop): Don't recurse.
257 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
258 loops. No longer need to update outer loops if the current one is
259 found bad. Move some validitiy checks to bfin_discover_loop.
260 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
261 but changed not to check for nesting. Also changed to use the new bad
263 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
264 time. Use bitmap based test to discover loop nesting.
266 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
268 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
271 2006-09-14 Richard Guenther <rguenther@suse.de>
272 Kazu Hirata <kazu@codesourcery.com>
275 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
276 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
277 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
278 with TARGET_FUNCTION_VALUE.
280 2006-09-14 Anatoly Sokolov <aesok@post.ru>
283 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
285 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
287 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
290 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
293 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
296 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
298 * basic_block.h (bb_has_eh_pred): Fix comment.
300 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
302 * flow.c (calculate_global_regs_live): Invalidate eh registers
303 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
304 (propagate_block): Handle eh registers as if they were set at basic
306 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
308 * global.c (global_conflicts): Make eh registers to conflict with
309 pseudos live at basic block begin.
310 * basic_block.h (bb_has_eh_pred): New function.
312 2006-09-13 Richard Sandiford <richard@codesourcery.com>
314 PR rtl-optimization/28982
315 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
316 index of a PRE_MODIFY or POST_MODIFY address.
317 * reload1.c (inc_for_reload): Use find_replacement on the original
318 base and index registers.
320 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
322 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
323 for -Os. Update __m128 alignment requirement.
325 2006-09-13 Jan Hubicka <jh@suse.cz>
327 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
329 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
331 PR rtl-optimization/28243
332 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
333 the insn to which the note was originally attached.
335 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
336 Roger Sayle <roger@eyesopen.com>
338 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
339 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
340 on platforms that don't use dwarf for debug info.
342 2006-09-12 Jason Merrill <jason@redhat.com>
345 * builtins.c (expand_builtin_setjmp_receiver): Clobber
346 hard_frame_pointer_rtx after using it to update the frame pointer.
348 2006-09-12 Roger Sayle <roger@eyesopen.com>
350 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
351 (TARGET_ASM_CLOSE_PAREN): Likewise.
352 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
353 (TARGET_ASM_CLOSE_PAREN): Likewise.
355 2006-09-12 Roger Sayle <roger@eyesopen.com>
358 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
359 frame information for frames larger than 512 Kbytes on Tru64 when
360 using the native assembler.
362 2006-09-12 Roger Sayle <roger@eyesopen.com>
366 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
367 and symbols. Instead use the implementation from cse.c's hash_rtx.
369 2006-09-12 Jan Hubicka <jh@suse.cz>
371 PR rtl-optimization/28071
372 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
373 (vect_transform_loop): Likewise.
374 * tree-vectorizer.c (new_loop_vec_info): Likewise.
375 (new_loop_vec_info): Likewise.
376 (destroy_loop_vec_info): Likewise.
377 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
378 (create_stmt_ann): Likewise.
379 (create_tree_ann): Rename to ...
380 (create_tree_common_ann): ... this one; allocate only the common part
382 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
383 (get_value_handle): Likewise.
384 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
386 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
387 (vinfo_for_stmt): Use stmt annotations.
388 * tree-flow.h (tree_ann_common_t): New type.
389 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
390 (tree_ann, get_tree_ann, create_tree_ann): New.
391 * tree-flow-inline.h (get_function_ann): Do more type checking.
392 (stmt_ann): Likewise.
393 (tree_ann): Rename to ...
394 (tree_common_ann): ... this one; return ony common_ann
395 (get_tree_ann): Rename to ...
396 (tree_common_ann): This one; return only common_ann.
397 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
400 2006-09-11 Geoffrey Keating <geoffk@apple.com>
402 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
405 * dwarf2out.c (dwarf_file_data): New.
406 (enum dw_val_class): Add dw_val_class_file.
407 (struct dw_val_struct): Add val_file.
408 (file_table): Change to a hash table.
409 (file_table_emitted): Delete.
410 (file_table_last_lookup_index): Delete.
412 (last_emitted_file): New.
413 (lookup_filename): Change prototype to return a struct dwarf_file_data.
414 (init_file_table): Delete.
415 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
416 (AT_addr): Add comment.
420 (print_die): Handle dw_val_class_file.
421 (print_dwarf_line_table): Update for new file table structure.
422 (attr_checksum): Do checksum a filename.
423 (same_dw_val_p, same_attr_p): Do compare a filename.
424 (size_of_die): Handle dw_val_class_file.
425 (value_format): Likewise.
426 (output_die): Likewise. Also, call maybe_emit_file here.
427 (struct file_info): Constify filenames. Make file_idx a pointer
428 to a struct dwarf_file_data.
429 (struct dir_info): Constify directory names. Remove 'used' field.
430 (struct file_name_acquire_data): New.
431 (file_name_acquire): New.
432 (output_file_names): Modify to handle new file data structures.
433 (add_src_coords_attributes): Use add_AT_file.
434 (add_call_src_coords_attributes): Likewise.
435 (dwarf2out_imported_module_or_decl): Likewise.
436 (gen_subprogram_die): Modify for new file data structures.
437 (gen_variable_die): Likewise.
438 (file_table_eq): New.
439 (file_table_hash): New.
440 (file_table_last_lookup): New.
441 (lookup_filename): Rewrite to handle new file data structures.
442 (maybe_emit_file): Rewrite to handle new file data structures.
443 (dwarf2out_source_line): Always call lookup_filename and
445 (dwarf2out_init): Create file_table here.
446 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
447 (file_table_relative_p): New.
448 (dwarf2out_finish): Change detection of relative filenames
449 to work with new file data structures. Move output_line_info call
450 after debug_info output.
452 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
457 * config/i386/i386.c (override_options): Always default to 16
460 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
463 * var-tracking.c (dump_dataflow_set): Start dumping at
465 (clobber_variable_part): Kill only the variable part in
466 registers holding it, leaving other variables alone.
468 2006-09-11 Josh Triplett <josh@freedesktop.org>
470 * doc/extend.texi (Other Builtins): Actually use the macro
471 argument in the documentation example for
472 __builtin_types_compatible_p.
474 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
476 PR rtl-optimization/28726
477 * sched-deps.c (sched_analyze_reg): New function extracted from...
478 (sched_analyze_1): ...here. Call it to analyze references to
479 registers. Treat again writes to a stack register as writing to the
481 (sched_analyze_2): ...and here. Call it to analyze references to
482 registers. Treat again reads of a stack register as reading the
485 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
486 David Edelsohn <edelsohn@gnu.org>
489 * config/rs6000/spe.md (frob_df_di): Remove %H.
490 (frob_di_df): Remove %H. Change evmergelo to mr.
491 (frob_di_df_2): Remove %H. Change evldd to two loads.
493 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
495 * doc/cpp.texi: Fix names of charset options.
497 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
500 * config/i386/i386.c (override_options): Use 128-bit
501 stack boundary always for 64bits.
503 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
505 PR rtl-optimization/28636
506 * combine.c (force_to_mode): Test for side-effects before
507 substituting by zero.
508 (simplify_shift_const): Likewise for zero or other constants.
510 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
513 * builtins.c (expand_builtin_setjmp): Force next_lab to be
516 2006-09-10 Richard Sandiford <richard@codesourcery.com>
519 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
520 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
521 returned by mode_for_size, rather than the mode of src itself,
522 to choose between 32-bit and 64-bit patterns.
523 (mips_mem_fits_mode_p): New function.
524 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
525 that the size of the source matches the size of the destination.
526 (mov_<store>l, mov_<store>r): Likewise.
528 2006-09-10 Eric Christopher <echristo@apple.com>
530 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
533 2006-09-09 Eric Christopher <echristo@apple.com>
536 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
539 2006-09-09 Roger Sayle <roger@eyesopen.com>
540 Nicolas Setton <setton@adacore.com>
542 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
544 2006-09-10 Andreas Schwab <schwab@suse.de>
546 * config/m68k/m68k.md (bungt_rev): New pattern.
548 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
549 Dale Johannesen <dalej@apple.com>
552 * regclass.c (struct reg_pref): Update documentation.
553 (regclass): Set prefclass to NO_REGS if memory is the best option.
554 (record_reg_classes): Cope with a prefclass set to NO_REGS.
556 2006-09-08 Eric Christopher <echristo@apple.com>
558 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
559 * config/t-slibgcc-darwin: Support x86_64 multilib.
560 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
561 Return 1 for x86_64-darwin.
562 * config/i386/t-darwin: Add m64 multilib.
563 (LIB2_SIDITI_CONV_FUNCS): Use.
564 (LIB2FUNCS_EXTRA): Ditto.
565 * config/i386/darwin.h: Support x86_64.
566 * config/i386/i386.c (override_options): Turn on flag_pic
567 for x86_64-darwin. Disable flag_omit_pointer.
568 (get_pc_thunk_name): Assert !TARGET_64BIT.
569 (legitimate_address_p): Disable machopic addressing for
571 (legitimize_pic_address): Ditto.
572 (ix86_expand_move): Ditto.
573 (ix86_expand_call): Ditto.
574 (machopic_output_stub): Ditto.
575 * config/darwin.c (machopic_select_section): Support literal16.
576 (machopic_select_rtx_section): Ditto.
577 * config/darwin-sections.def: Ditto.
578 * config/darwin-64.c: New.
580 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
583 * c-tree.h (struct c_arg_info): Add pending_sizes.
584 * c-parser.c (c_parser_parms_declarator,
585 c_parser_parms_list_declarator): Initialize pending_sizes.
586 * c-decl.c (get_parm_info): Initialize pending_sizes.
587 (get_parm_info): Set pending_sizes.
588 (grokdeclarator): Call put_pending_sizes for parameters for
589 function definition only.
591 2006-09-07 Jason Merrill <jason@redhat.com>
594 * varasm.c (output_constant): Only strip actual no-op conversions.
597 * config/i386/i386.c (override_options): Use 128-bit
598 stack boundary if -msse.
600 2006-09-07 Eric Christopher <echristo@apple.com>
602 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
604 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
607 2006-09-07 Geoffrey Keating <geoffk@apple.com>
609 * dwarf2out.c: Remove strange characters from comment above
610 dwarf2out_frame_debug_expr.
612 2006-09-07 Eric Christopher <echristo@apple.com>
614 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
615 * config/darwin.h: ... to here.
617 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
619 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
621 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
622 (TARGET_PARTIAL_FLAG_REG_STALL): New.
624 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
625 TARGET_PARTIAL_FLAG_REG_STALL.
626 (*ashldi3_cconly_rex64): Likewise.
627 (*ashlsi3_cmp): Likewise.
628 (*ashlsi3_cconly): Likewise.
629 (*ashlsi3_cmp_zext): Likewise.
630 (*ashlhi3_cmp): Likewise.
631 (*ashlhi3_cconly): Likewise.
632 (*ashlqi3_cmp): Likewise.
633 (*ashlqi3_cconly): Likewise.
634 (*ashrdi3_cmp_rex64): Likewise.
635 (*ashrdi3_cconly_rex64): Likewise.
636 (*ashrsi3_cmp): Likewise.
637 (*ashrsi3_cconly): Likewise.
638 (*ashrsi3_cmp_zext): Likewise.
639 (*ashrhi3_cmp): Likewise.
640 (*ashrhi3_cconly): Likewise.
641 (*ashrqi3_cmp): Likewise.
642 (*ashrqi3_cconly): Likewise.
643 (*lshrdi3_cmp_rex64): Likewise.
644 (*lshrdi3_cconly_rex64): Likewise.
645 (*lshrsi3_cmp): Likewise.
646 (*lshrsi3_cconly): Likewise.
647 (*lshrsi3_cmp_zext): Likewise.
648 (*lshrhi3_cmp): Likewise.
649 (*lshrhi3_cconly): Likewise.
650 (*lshrqi2_cmp): Likewise.
651 (*lshrqi2_cconly): Likewise.
653 2006-09-07 Uros Bizjak <uros@kss-loka.si>
656 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
657 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
658 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
659 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
660 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
661 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
662 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
663 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
664 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
665 implement only CC setting effects of shift instructions.
667 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
669 * doc/contrib.texi: Add myself.
671 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
674 * stor-layout.c (relayout_decl): Don't zero the alignment if it
677 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
680 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
681 (divsi_inv_m1): Use them.
682 (UNSPEC_DIV_INV_TABLE): New constant.
684 2006-09-06 James E Wilson <wilson@specifix.com>
687 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
688 then call count_or_remove_death_notes.
690 2006-09-06 Jason Merrill <jason@redhat.com>
693 * tree-inline.c (copy_result_decl_to_var): New fn.
694 (declare_return_variable): Use it. Call declare_inline_vars here.
695 (expand_call_inline): Not here.
697 2006-09-06 Diego Novillo <dnovillo@redhat.com>
699 * doc/contrib.texi: Update my entry.
701 2006-09-06 Nick Clifton <nickc@redhat.com>
703 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
705 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
708 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
709 (canonicalize_induction_variables): Likewise.
710 (tree_unroll_loops_completely): Likewise.
711 (tree_ssa_prefetch_arrays): Likewise.
712 (remove_empty_loops): Likewise.
713 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
714 TODO_cleanup_cfg instead of directly calling
715 cleanup_tree_cfg_loop.
716 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
718 (tree_unroll_loops_completely): Likewise.
719 (remove_empty_loops): Likewise.
720 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
721 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
722 of tree_ssa_unswitch_loops.
723 (tree_ssa_loop_ivcanon): Use the return value of
724 canonicalize_induction_variables.
725 (tree_ssa_empty_loop): Use the return value of
727 (tree_complete_unroll): Use the return value of
728 tree_unroll_loops_completely.
729 (tree_ssa_loop_prefetch): Use the return value of
730 tree_ssa_prefetch_arrays.
731 * passes.c (execute_todo): Before Cleanup CFG, set
732 updating_used_alone and after cleanup CFG, call
733 recalculate_used_alone.
735 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
738 * tree-vect-transform.c (vectorizable_condition): Move the check
739 for the type after the check for simple condition.
741 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
742 Kaz Kojima <kkojima@gcc.gnu.org>
745 * mode-switching.c (optimize_mode_switching): Make the destination
746 block of an abnormal edge have no anticipatable mode. Don't
747 insert mode switching code at the end of the source block of
750 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
752 PR rtl-optimization/26847
753 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
754 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
755 (simplify_plus_minus): Count n_constants while filling ops. Replace
756 qsort with insertion sort. Before going through the array to simplify
757 pairs, sort it. Delay early exit until after the first sort, exiting
758 only if no swaps occurred. Simplify pairs in reversed order, without
759 special-casing the first iteration. Pack ops after simplifying pairs.
761 2006-09-05 Anatoly Sokolov <aesok@post.ru>
763 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
764 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
765 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
766 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
768 2006-09-05 Richard Guenther <rguenther@suse.de>
770 PR tree-optimization/28900
771 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
772 compound conditional before creating COND_EXPR condition.
774 2006-09-05 Richard Guenther <rguenther@suse.de>
776 PR tree-optimization/28905
777 * tree-vrp.c (fix_equivalence_set): Manually implement
778 !value_ranges_intersect_p to also handle symbolic ranges.
780 2006-09-05 Richard Guenther <rguenther@suse.de>
783 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
786 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
788 PR rtl-optimization/27616
789 * cse.c (table_size): New static variable.
790 (new_basic_block): Initialize it to 0.
791 (remove_from_table): Decrement it.
792 (insert): Increment it.
793 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
794 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
795 fold_rtx_mem_1 if under the cap.
796 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
797 the lookup of the equivalent expression and test for equality of the
798 first operand of the equivalent expression before in turn looking up
799 an equivalent constant for the second operand.
801 2006-09-02 Geoffrey Keating <geoffk@apple.com>
804 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
805 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
806 pointer, instead of assuming it is possible to derive the
807 correct args size from a call insn.
809 2006-09-02 Jakub Jelinek <jakub@redhat.com>
812 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
813 (fold_builtin_mempcpy): Rename to...
814 (fold_builtin_memory_op): ... this. Optimize one element copy
816 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
818 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
819 (expand_builtin_memcpy, expand_builtin_mempcpy,
820 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
821 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
822 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
823 BUILT_IN_MEM{CPY,PCPY,MOVE}.
825 2006-09-01 DJ Delorie <dj@redhat.com>
827 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
829 ("stzx_24_<mode>"): Likewise.
830 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
831 ("cmp<mode>_op"): New.
832 (cmp<mode>): Change to expander; just save operands.
834 (b<code>): Change to expander, emit compare here.
835 (s<code>_op): Change to use split and expander.
836 (s<code>_24_op): Likewise.
837 (s<code>_<mode>): New.
838 (s<code>_<mode>_24): New.
839 (movqicc_<code>_<mode): New.
840 (movhicc_<code>_<mode>): New.
843 * config/m32c/m32c.c (compare_op0, compare_op1): New.
844 (m32c_pend_compare): New.
845 (m32c_unpend_compare): New.
846 (m32c_expand_scc): New.
847 (m32c_expand_movcc): Emit the compare also.
848 * config/m32c/predicates.md (mra_nopp_operand): New.
850 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
851 Richard Guenther <rguenther@suse.de>
852 Adam Nemet <anemet@caviumnetworks.com>
855 * builtins.c (get_pointer_alignment): Handle more forms
856 of base addresses that can be used to derive more precise
857 information about alignment.
859 2006-09-01 Jason Merrill <jason@redhat.com>
862 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
865 * gimplify.c (voidify_wrapper_expr): Handle null type.
867 2006-09-01 Josh Conner <jconner@apple.com>
870 * tree-nrv.c (dest_safe_for_nrv_p): New function.
871 (execute_return_slot_opt): Use it.
873 2006-08-31 Josh Conner <jconner@apple.com>
876 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
877 returning aggregates.
879 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
881 PR tree-optimization/28839
882 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
883 blocks in that phi arguments appear.
885 2006-08-31 Roger Sayle <roger@eyesopen.com>
888 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
889 NULL, otherwise use an advance_loc4 to adjust relative to the
891 (output_cfi) <DW_CFA_set_loc>: Update the current label.
892 (dwarf2out_switch_text_section): Reset the current label to avoid
893 using advance_loc4 over section boundaries.
895 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
898 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
899 r12 + SYMBOLIC_CONST.
901 2006-08-30 Richard Guenther <rguenther@suse.de>
903 * Makefile.in (see.o): Add $(EXPR_H) dependency.
905 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
907 PR rtl-optimization/27735
908 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
909 Add new argument to keep track of whether an irreducible region
910 was affected. All callers changed.
911 (fix_irreducible_loops): Removed.
912 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
913 flags were invalidated.
915 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
917 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
918 instead of SF operands.
919 (*fop_df_comm_sse): Likewise.
920 (*fop_df_comm_i387): Likewise.
921 (*fop_df_1_mixed): Likewise.
922 (*fop_df_1_sse): Likewise.
924 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
925 J"orn Rennecke <joern.rennecke@st.com>
927 PR tree-optimization/17506
928 * tree-ssa.c (warn_uninit): If warning about a location outside of
929 the current function, note where the variable was declared.
931 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
933 PR tree-optimization/28411
934 * double-int.c (double_int_div): Use double_int_divmod.
935 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
936 double_int_mod, double_int_smod, double_int_umod): New functions.
937 * double-int.h (double_int_divmod, double_int_sdivmod,
938 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
940 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
942 (get_computation_aff, get_computation_cost_at): Handle double_int
943 return type of constant_multiple_of.
945 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
948 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
949 an implicit conversion.
951 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
953 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
955 2006-08-27 Roger Sayle <roger@eyesopen.com>
957 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
960 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
962 * config/i386/crtfastmath.c: Fix a comment typo.
964 2006-08-26 Roger Sayle <roger@eyesopen.com>
966 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
967 temporary visit flags on CASE_LABEL_EXPRs.
968 * c-common.c (match_case_to_enum): Add function comment. Avoid
969 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
970 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
971 CASE_HIGH_SEEN for enumerated types. If the switch expression is
972 a constant, only warn if that constant value isn't handled.
974 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
977 * input.h (restore_input_file_stack): Declare.
978 (INPUT_FILE_STACK_BITS): Define.
979 * toplev.c (fs_p, input_file_stack_history,
980 input_file_stack_restored, restore_input_file_stack): New.
981 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
982 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
983 (pop_srcloc): Don't free old state of stack.
985 2006-08-26 David Edelsohn <edelsohn@gnu.org>
988 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
989 (PowerPC Type Attributes): New.
991 2006-08-26 Bob Wilson <bob.wilson@acm.org>
993 * config/xtensa/xtensa.c (function_arg_boundary): New.
994 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
996 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
997 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
999 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1002 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1005 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1007 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1008 (verify_local_live_at_start): Likewise.
1010 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1013 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1014 omp_add_variable): Treat sizes as variable whenever not
1017 2006-08-26 Richard Guenther <rguenther@suse.de>
1020 * fold-const.c (fold_binary): Fold temporary to correct
1021 type before constructing new comparison.
1023 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1026 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1027 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1029 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1032 * c-decl.c (start_function): Don't try to process prototype
1033 information from old declaration that isn't a function.
1035 2006-08-25 Jan Hubicka <jh@suse.cz>
1038 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1040 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1043 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1046 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1048 PR tree-optimization/16876
1049 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1050 exit if PARM doesn't match VALUE.
1052 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1054 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1055 literal_prefix directive.
1056 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1057 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1058 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1060 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1063 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1064 predicate to general_operand. Add 0->y and I->r alternatives.
1066 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1068 * doc/tm.texi: Fix a typo.
1069 * predict.c: Fix comment typos.
1071 2006-08-25 Nick Clifton <nickc@redhat.com>
1073 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1074 assertions of "cpu" and "machine".
1076 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1079 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1080 the access through a base which has an alias set of 0 cannot
1083 2006-08-24 Bill Wendling <wendling@apple.com>
1085 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1087 2006-08-24 Jan Hubicka <jh@suse.cz>
1089 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1091 2006-08-24 Jan Hubicka <jh@suse.cz>
1094 * cgraph.c: Fix comments.
1095 (cgraph_varpool_mark_needed_node): Mark only variables not already
1097 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1098 (cgraph_varpool_assembled_nodes_queue): New static variable.
1099 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1100 (cgraph_varpool_output_debug_info): New function.
1101 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1102 * Makefile.in: Add gt-cgraphunit.h
1104 2006-08-24 Jan Hubicka <jh@suse.cz>
1106 * predict.c (probability_reliable_p): New predicate.
1107 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1108 (predict_loops): Do not predict loop exit with less than 2%
1110 * basic-block.h (edge_probability_reliable_p,
1111 br_prob_note_reliable_p): Declare.
1112 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1113 prediction when static predictor is not reliable.
1114 * rs6000.c (output_cbranch): Likewise.
1116 2006-08-23 Stuart Hastings <stuart@apple.com>
1119 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1120 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1122 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1125 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1126 complex values, nor for generic vector values.
1128 2006-08-22 Richard Guenther <rguenther@suse.de>
1131 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1132 parameter. Convert arguments to arithmetic expression to the
1134 (analyze_scalar_evolution_1): Adjust caller.
1136 2006-08-22 Jan Hubicka <jh@suse.cz>
1138 Patch by Paolo Bonzini
1139 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1142 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1144 PR tree-optimization/28003
1145 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1146 before grouping aliases.
1148 2006-08-22 Roger Sayle <roger@eyesopen.com>
1150 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1151 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1153 2006-08-21 Jason Merrill <jason@redhat.com>
1156 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1157 wrapper. Loop to handle nested wrappers.
1158 (gimplify_bind_expr): Remove temp parameter.
1159 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1160 and STATEMENT_LIST on the rhs.
1161 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1162 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1163 (gimplify_target_expr): Remove special BIND_EXPR handling.
1165 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1167 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1170 2006-08-21 Olivier Hainque <hainque@adacore.com>
1172 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1173 Arrange for the temporary captures of components overlapping the lhs
1174 to happen before the lhs is possibly cleared.
1176 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1178 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1179 necessary places to pass the correct "number of registers" values
1182 2006-08-20 Jan Hubicka <jh@suse.cz>
1184 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1185 (create_name_tags): Instead of quadratic checking use hashtable.
1186 * bitmap.h: Include hashtab.h.
1187 (bitmap_hash): Declare.
1188 * bitmap.c (bitmap_hash): New function.
1190 2006-08-20 Jan Hubicka <jh@suse.cz>
1192 PR rtl-optimization/28071
1193 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1195 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1196 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1197 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1198 cgraph_decide_inlining_incrementally): Update use of
1199 cgraph_check_inline_limits.
1200 * cgraph.c (edge_hash, edge_eq): New function.
1201 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1202 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1203 cgraph_remove_node): Maintain call site hash.
1204 * cgraph.h (struct cgraph_node): Add call_site_hash.
1205 (cgraph_set_call_stmt): New function.
1207 2006-08-20 Jan Hubicka <jh@suse.cz>
1209 PR rtl-optimization/28071
1210 * reload1.c (reg_has_output_reload): Turn into regset.
1211 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1212 choose_reload_regs, emit_reload_insns): Update to new
1213 reg_has_output_reload.
1215 2006-08-20 Jan Hubicka <jh@suse.cz>
1218 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1219 function body sizes.
1220 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1222 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1225 * tree.c (handle_dll_attribute): Return early if not a
1226 var or function decl.
1228 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1231 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1232 alignment of SPE vector types.
1234 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1236 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1238 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1241 * cgraph.h (struct cgraph_node): Remove externally_visible
1243 * cgraphunit.c (process_function_and_variable_attributes): Set
1244 local.externally_visible rather than externally_visible.
1247 * c-common.c (handle_externally_visible_attribute): First look
1248 at TREE_CODE and only if it is function or var decl, check for
1249 non-public objects. Don't warn for DECL_EXTERNAL.
1250 * cgraphunit.c (process_function_and_variable_attributes): Warn
1251 if externally_visible attribute is used on non-public object.
1253 2006-08-17 Jan Hubicka <jh@suse.cz>
1255 PR tree-optimization/27865
1256 * reload1.c (forget_marked_reloads): New function.
1257 (forget_old_reloads_1): When data are passed, just mark the registers
1259 (reload_as_needed): Use the new mechanizm.
1261 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1264 * reload.h (reg_equiv_alt_mem_list): New declaration.
1265 * reload1.c (reg_equiv_alt_mem_list): New definition.
1266 (reload): Initialize it and release it.
1267 (delete_output_reload): Use it.
1268 * reload.c (push_reg_equiv_alt_mem): New function.
1269 (find_reloads_toplev): Call it.
1270 (find_reloads_address, find_reloads_address_1): Likewise.
1271 (find_reloads_subreg_address): Likewise.
1273 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1275 PR rtl-optimization/28489
1276 * sched-ebb.c (begin_schedule_ready): Create basic block
1278 (advance_target_bb): Skip empty blocks.
1279 * haifa-sched.c (bb_note): Make global.
1280 * sched-int.h (bb_note): Add prototype.
1282 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1284 PR tree-optimization/27865
1285 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1287 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1288 fold_used_pointer, pointer_used_p): New functions.
1289 (analyze_scalar_evolution_1): Use fold_used_pointer.
1290 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1291 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1294 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1297 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1298 or the INTEGER_CST. Fail on a CALL_EXPR.
1299 (fold_offsetof): Pass new argument to fold_offsetof_1.
1300 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1301 operand into an INDIRECT_REF.
1302 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1304 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1306 PR gcov/profile/26570
1307 * value-prof.c (static_values): Removed.
1308 (tree_find_values_to_profile): Do not set static_values.
1309 (find_values_to_profile): Do not free static_values.
1310 * profile.c (instrument_values): Do not free the values.
1311 (branch_prob): Free the values.
1313 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1315 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1317 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1320 * c-typeck.c (build_component_ref): Combine qualifiers of
1321 structure or union and field.
1323 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1325 PR rtl-optimization/28071
1326 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1327 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1328 * tree-into-ssa.c (struct dom_dfsnum): New.
1329 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1331 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1332 compute_global_livein.
1333 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1334 in phi nodes in the correct blocks.
1336 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1338 PR tree-optimization/28364
1339 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1341 (fold_affine_expr): New function.
1342 (may_eliminate_iv): Use fold_affine_expr.
1344 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1347 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1350 2006-08-16 Mike Stump <mrs@apple.com>
1352 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1353 * doc/cppopts.texi (-MD): Likewise.
1355 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1358 * c-common.c (handle_weak_attribute): Ignore and warn if
1359 not a FUNCTION_ or VAR_DECL.
1361 2006-07-15 Mike Stump <mrs@apple.com>
1364 * c-parser.c (c_parser_typeof_specifier): Don't use
1365 c_finish_expr_stmt, open code desired semantics instead.
1367 2006-08-15 Nick Clifton <nickc@redhat.com>
1369 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1370 fragment to tmake_file only if threads are enabled.
1371 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1372 * config/i386/t-gthr-win32: New file. ... here.
1374 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1377 * c-parser.c (c_parser_compound_statement_nostart): Reset
1378 parser->error after each statement.
1380 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1383 * omp-low.c (lower_omp_parallel): Convert t to
1384 receiver_decl's type.
1385 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1386 source before comparison.
1389 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1390 to itype in assignment to oldival2.
1392 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1396 * c-typeck.c (build_compound_expr): If the second expression
1397 is an error mark, then just return an error mark instead of
1398 creating a COMPOUND_EXPR.
1400 2006-07-14 Mike Stump <mrs@apple.com>
1402 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1404 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1406 * c-decl.c, var-tracking.c: Fix comment typos.
1408 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1410 PR rtl-optimization/28634
1411 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1412 for floating-point modes unless flag_unsafe_math_optimizations.
1414 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1415 Andrew Pinski <pinskia@physics.uc.edu>
1418 * tree.c (build_array_type): Unify array types with
1419 unspecified index_type.
1420 * c-decl.c (grokdeclarator): Make sure we do not modify a
1421 unified incomplete array type.
1422 * c-typeck.c (store_init_value): Create distinct type before
1423 filling in the index type in an initializer from a compound
1426 * c-decl.c (grokdeclarator): Remove code where we copy the
1429 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1431 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1432 into account for TODO_dump_cgraph.
1433 (TODO_update_ssa_no_phi): Likewise.
1434 (TODO_update_ssa_full_phi): Likewise.
1435 (TODO_update_ssa_only_virtuals): Likewise.
1436 (TODO_remove_unused_locals): Likewise.
1437 (TODO_set_props): Likewise.
1438 (TODO_update_stmt_usage): Likewise.
1440 2006-08-13 Dirk Mueller <dmueller@suse.de>
1442 * c-common.c (strict_aliasing_warning): Fix formatting.
1444 2006-08-13 Matthias Klose <doko@debian.org>
1446 * doc/invoke.texi: Fix spelling errors.
1448 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1450 PR rtl-optimization/23454
1451 * reorg.c (relax_delay_slots): Update comment.
1453 2006-08-11 Richard Guenther <rguenther@suse.de>
1456 * simplify-rtx.c (simplify_const_relational_operation):
1457 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1460 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1462 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1463 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1465 2006-08-10 Paul Brook <paul@codesourcery.com>
1467 * final.c (final_scan_insn): Clear current_insn_predicate before
1468 outputting inline asm.
1470 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1472 PR tree-optimization/26197
1473 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1474 get_ref_base_and_extent and overlap_subvar to add only relevant
1475 subvars as may-aliases.
1476 (add_may_alias_for_new_tag): New function, factored out of
1478 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1479 with additional argument.
1480 * tree-flow.h (new_type_alias): Takes additional argument.
1482 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1484 * gcov.c (no_data_file): New flag.
1485 (read_count_file): Set it if data file not present. Assume counts
1487 (output_lines): Don't name the data file, if there wasn't one.
1489 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1491 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1492 (rs6000_generate_compare): Tweak comments.
1493 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1495 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1497 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1498 (var_debug_decl): New function.
1499 (var_reg_set): Follow debug decl link. Add location even if
1500 reg is already known to hold some other variable.
1501 (var_mem_set): Follow debug decl link.
1502 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1503 decl link. Delete other known locations of the variable part
1505 (var_reg_delete, var_mem_delete): Delete other known locations
1506 of the variable part if requested.
1507 (same_variable_part_p): New function.
1508 (add_stores): Select MO_COPY when appropriate.
1509 (vt_initialize): Handle it.
1510 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1511 known locations for MO_SET and MO_CLOBBER.
1512 (find_variable_location_part): New function.
1513 (set_variable_part, delete_variable_part): Use it.
1514 (clobber_variable_part): New function.
1515 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1518 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1520 PR tree-optimization/26969
1521 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1522 with an empty list of PHIs.
1524 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1528 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1531 2006-08-06 Andreas Schwab <schwab@suse.de>
1533 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1534 string. Whitespace and comment fixup.
1536 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1539 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1543 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1546 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1548 2006-08-04 Jan Hubicka <jh@suse.cz>
1552 * reload.c (push_reload): Patch out the mismatching instruction;
1554 (find_reload): Bail out if the instruction was patched out.
1556 2006-08-04 Jan Hubicka <jh@suse.cz>
1558 PR tree-optimization/24888
1559 * tree-inline.c (expand_call_inline): Do not re-record variables.
1560 (declare_inline_vars): Add variable to unexpanded_var_list.
1562 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1563 Roger Sayle <roger@eyesopen.com>
1565 PR rtl-optimization/26244
1566 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1567 inner_const are negative or greater than or equal to the bitsize of
1568 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1569 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1570 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1571 CONST0_RTX (mode) when the new shift count is greater than or equal to
1572 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1575 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1577 * tree-cfg.c: Fix a comment typo.
1579 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1582 * varasm.c (output_constant): Give the front end another chance to
1583 expand constants, after stripping NOPs.
1585 2006-08-03 Jan Hubicka <jh@suse.cz>
1587 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1590 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1592 PR tree-optimization/27770
1593 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1594 declaration removed (moved to tree-flow.h).
1595 (vect_can_force_dr_alignment_p): Likewise.
1596 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1597 (moved from tree-vectorizer.h).
1598 (vect_can_force_dr_alignment_p): Likewise.
1599 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1600 from outside the vectorizer - in particular from cgraph stage.
1601 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1602 the alignment of global arrays when -fsection-anchors is enabled.
1603 * cgraphunit.c (cgraph_increase_alignment): New function.
1604 (cgraph_optimize): Call cgraph_increase_alignment.
1606 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1609 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1610 not reload a SPE symbol_ref into a lo_sum address.
1612 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1615 * dwarf2out.c (prune_unused_types_prune): Move call to
1616 prune_unused_types_update_strings to cover the parent DIE also.
1618 2006-08-02 Jan Hubicka <jh@suse.cz>
1620 PR gcov/profile/28480
1621 * tree-cfg.c (change_bb_for_stmt): New function.
1622 (tree_merge_blocks, tree_split_blocks): Use it.
1624 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1630 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1631 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1632 (cgraph_optimize): Likewise.
1634 2006-08-01 Stuart Hastings <stuart@apple.com>
1636 * rtl.h (UINTVAL) New.
1637 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1638 * testsuite/gcc.dg/20060801-1.c: New.
1640 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1643 * c-typeck.c (build_external_type): Mark used enum types.
1644 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1646 (gen_subprogram_die): Whitespace fix.
1648 2006-08-01 Jan Hubicka <jh@suse.cz>
1650 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1651 bitmap when not needed.
1652 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1655 2006-08-01 Dirk Mueller <dmueller@suse.de>
1657 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1659 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1661 * Makefile.in: Revert part of previous patch:
1662 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1665 2006-07-30 Eric Christopher <echristo@apple.com>
1668 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1669 (PowerPC Variable Attributes): New section.
1671 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1673 PR target/28126 (partial fix)
1674 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1676 2006-07-28 Jan Hubicka <jh@suse.cz>
1678 PR rtl-optimization/28071
1679 * cfgrtl.c (rtl_delete_block): Free regsets.
1680 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1682 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1684 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1685 and variables used in dependencies.
1687 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1689 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1690 %fs for -mcmodel=kernel.
1691 (stack_tls_protect_test_di): Likewise.
1693 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1695 * Makefile.in: Use mkinstalldirs.
1697 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1700 * opts-common.c (prune_options): Skip joined switches.
1702 2006-07-27 Jan Hubicka <jh@suse.cz>
1704 PR rtl-optimization/28071
1705 * cselib.c (cselib_process_insn): Don't remove useless values too
1706 often for very large hashtables.
1708 2006-07-27 Jan Hubicka <jh@suse.cz>
1710 PR rtl-optimization/28071
1711 * global.c (greg_obstack): New obstack.
1712 (allocate_bb_info): Use it.
1713 (free_bb_info): Likewise.
1714 (modify_reg_pav): Likewise.
1716 2006-07-27 Roger Sayle <roger@eyesopen.com>
1718 * builtins.c (fold_fixed_mathfn): When long and long long are the
1719 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1720 functions to their lceil*, lfloor*, lround* and lrint* forms.
1722 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1725 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1727 (rev_branch_insn): Likewise.
1729 2006-07-27 Jan Hubicka <jh@suse.cz>
1731 PR rtl-optimization/28071
1732 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1733 (reg_set_in_bb, max_reg_computed): New static variables.
1734 (regmove_optimize): Free the new array.
1735 (fixup_match_1): Update call of reg_is_remote_constant_p.
1737 2006-07-26 Jan Hubicka <jh@suse.cz>
1739 PR tree-optimization/27882
1740 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1742 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1744 (cgraph_analyze_compilation_unit): Likewise.
1745 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1746 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1747 (cgraph_early_inlinine): Make order garbage collected.
1748 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1750 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1752 * dbxout.c (output_types_sort): Add a comment.
1753 (output_used_types): Free the VEC.
1755 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1757 * function.c (reorder_fix_fragments): Delete.
1758 (reorder_blocks): Don't call it.
1759 (reorder_blocks_1): Put all subblocks under the origin block.
1761 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1763 PR rtl-optimization/27907
1764 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1767 2006-07-25 Roger Sayle <roger@eyesopen.com>
1770 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1771 bar(x) check that bar's result type can represent all the values of T.
1773 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1775 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1777 2006-07-25 Nick Clifton <nickc@redhat.com>
1779 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1780 size_lookup[] array.
1781 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1782 (ggc_pch_count_object): Likewise.
1783 (ggc_pch_alloc_object): Likewise.
1784 (ggc_pch_write_object): Likewise.
1785 (init_ggc): Do not attempt to initialize entries in the
1786 size_lookup[] array for objects whose size is greater than than
1787 the length of the array.
1789 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1791 * dbxout.c (output_used_types_helper): Push queued types
1793 (output_types_sort): New.
1794 (output_used_types): Collect used types on a VEC and sort them
1797 2006-07-24 Richard Guenther <rguenther@suse.de>
1800 * cgraph.c (cgraph_remove_node): Do not check if dumps
1802 * cgraphunit.c (cgraph_optimize): Likewise.
1804 2006-07-24 Jan Hubicka <jh@suse.cz>
1806 PR rtl-optimization/28071
1807 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1808 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1809 splitting before first stmt.
1811 2006-07-24 Jan Hubicka <jh@suse.cz>
1813 PR rtl-optimization/28071
1814 * ipa-inline.c (update_caller_keys): Remove edges that
1815 are no longer inline candidates.
1817 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1820 * dbxout.c (output_used_types_helper, output_used_types): New.
1821 (dbxout_symbol): Call output_used_types.
1823 2006-07-23 Jan Hubicka <jh@suse.cz>
1827 * cgraph.c (cgraph_varpool_nodes): Export.
1828 (decide_is_variable_needed): Ignored "used" attribute in
1829 unit-at-a-time mode.
1830 * cgraph.h (cgraph_varpool_nodes): Declare.
1831 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1832 unit-at-a-time mode.
1834 2006-07-23 Roger Sayle <roger@eyesopen.com>
1837 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1838 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1839 the __gthrw form of thr_keycreate.
1840 (__gthread_key_delete): Silence the unused argument warning.
1842 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1845 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1846 Cache the last found '\0' marker to avoid quadratic behavior.
1848 2006-07-23 Jan Hubicka <jh@suse.cz>
1850 * i386.md (subsi_3_zext): Fix output template.
1852 2006-07-21 Mike Stump <mrs@apple.com>
1854 * doc/invoke.texi (C++ Dialect Options): Note that
1855 -fvisibility-inlines-hidden doesn't affect explicitly
1856 instantiationed inline methods.
1858 2006-07-20 Roger Sayle <roger@eyesopen.com>
1860 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1861 if the target assembler is GNU binutils' gas.
1862 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1863 whether to pass GNU gas or native as command line options.
1865 2006-07-20 Jason Merrill <jason@redhat.com>
1867 * tree.c (remove_attribute): New fn.
1868 * tree.h: Declare it.
1870 2006-07-20 Paul Brook <paul@codesourcery.com>
1873 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1874 they are invalidated by this instruction.
1876 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1879 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1881 2006-07-20 Eric Christopher <echristo@apple.com>
1884 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1886 2006-07-19 Eric Christopher <echristo@apple.com>
1888 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1889 Rewrite dependencies for libgcc_s.1.dylib.
1891 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1893 * except.c (duplicate_eh_regions_1): Clear next_peer.
1895 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1897 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1898 -mlongcall does not guarantee all calls will be long.
1899 * doc/extend.texi (long_call/short_call): Document that longcall
1900 does not guarantee a long call will be used.
1901 (longcall/shortcall): Likewise.
1903 2006-07-18 Roger Sayle <roger@eyesopen.com>
1906 * expmed.c (expand_shift): Additionally check that the shift_cost
1907 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1908 before implementing a LSHIFT_EXPR as a sequence of additions.
1909 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1910 middle-end that DImode shifts need to be synthesized by expand.
1912 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1915 * tree-ssa-operands.c (access_can_touch_variable): Update
1917 Return true if ALIAS is .GLOBAL_VAR.
1919 2006-07-18 David Daney <ddaney@avtrex.com>
1921 * gcc.c (display_help): Fix typo in help text.
1923 2006-07-18 Olivier Hainque <hainque@adacore.com>
1925 * tree.h (categorize_ctor_elements): Adjust prototype and add
1926 descriptive comment, both in accordance with the interface change
1928 * varasm.c (constructor_static_from_elts_p): New function.
1929 Whether a constructor node is a valid static constant initializer
1930 if all its elements are.
1931 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1932 * output.h: Declare it.
1933 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1934 is a valid constant initializer instead of computing the number of
1935 non-constant elements. Use constructor_static_from_elts_p for this
1936 purpose. Replace the head comment with an indication that this is a
1937 helper for categorize_ctor_elements.
1938 (categorize_ctor_elements): Same interface change as for the _1
1939 helper. Former head comment from this helper moved here, adjusted to
1940 account for the interface changes.
1941 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1942 (all_zeros_p): Likewise.
1943 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1944 static versions of the constructor from the categorize_ctor_elements
1945 return value instead of the formerly computed number of non-constant
1948 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1950 * configure: Regenerate.
1951 * Makefile.in (build_libsubdir): New configure substitution
1952 (build_libobjdir): New variable.
1953 (BUILD_LIBIBERTY): Use it.
1955 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1958 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1960 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1963 * c-common.c (handle_weakref_attribute): Ignore attribute in
1964 the same conditions the alias attribute is ignored.
1966 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1968 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1969 (dbxout_begin_prologue): Increment scope_labelno.
1971 2006-07-17 Richard Henderson <rth@redhat.com>
1974 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1977 2006-07-17 Roger Sayle <roger@eyesopen.com>
1978 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1980 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1981 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1982 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1983 functions such as sbrk, write, etc.. Add function prototypes.
1984 Convert function declarations from K&R to ISO C. Cast pointers
1985 to "long" and "unsigned long" instead of "int" and "unsigned int".
1986 Convert tokens following #endif into comments.
1988 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1990 * invoke.texi: Remove mention of f77; Reformat table for
1991 inline parameter options correctly; mention that -malign-double
1992 is default on x86-64 targets.
1994 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1996 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1997 (convert_affine_scev, chrec_convert_aggressive): Use
1998 avoid_arithmetics_in_type_p. Do not check for the subtypes
2001 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2004 * optabs.c (expand_doubleword_shift): Wrap the call to
2005 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2007 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2010 * optabs.c (expand_binop): Pass next_methods rather than methods
2011 to expand_doubleword_shift.
2013 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2016 * tree.h (dump_addr): Declare.
2017 * print-tree.c (dump_addr): New function.
2018 (print_node_brief, print_node): Use it.
2019 * print-rtl.c (print_rtx): Likewise.
2020 * common.opt (-fdump-noaddr): New option.
2021 * doc/invoke.texi (-fdump-noaddr): Document.
2022 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2023 (ve_info_hash): Likewise.
2025 2006-07-13 Andrew Haley <aph@redhat.com>
2027 PR tree-optimization/19505
2028 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2029 edge leaving this block, make sure that the destination of this
2030 block has only one predecessor.
2032 2006-07-17 Richard Guenther <rguenther@suse.de>
2034 PR tree-optimization/28238
2035 * tree-inline.c (copy_bb): Check if we produced valid
2036 gimple copying and substituting a stmt. If not, gimplify
2039 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2041 * optabs.c (maybe_encapsulate_block): New function extracted from...
2042 (emit_libcall_block): ...here. Invoke it on the block of insns to
2043 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2044 (emit_no_conflict_block): Likewise.
2046 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2048 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2050 2006-07-15 Roger Sayle <roger@eyesopen.com>
2052 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2053 a new NOP_EXPR case of the switch statement.
2055 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2058 * stor-layout.c (place_field): Take the bit field with
2059 an excessive size into account in the ms-bitfiled case.
2062 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2063 the previous bit field.
2065 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2068 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2070 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2072 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2073 signal frames correctly even when the signal was installed with
2076 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2078 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2079 (dbxout_function_end): Use local label LFBB. Remove hook
2081 (dbxout_source_line): Use local label LFBB.
2082 (dbxout_block): Likewise.
2083 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2084 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2085 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2086 and DBX_OUTPUT_NFUN.
2088 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2090 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2092 2006-07-13 Jan Hubicka <jh@suse.cz>
2094 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2096 * output.h (align_variable): Declare.
2097 * varasm.c (align_variable): Export.
2098 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2099 when basic block changed.
2101 2006-07-13 Nick Clifton <nickc@redhat.com>
2103 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2104 walking the LOG_LINKS chain.
2106 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2108 * doc/invoke.texi (C++ Dialect Options): Explain difference
2109 between -fvisibility-inlines-hidden and setting hidden
2110 visibility explicitly.
2112 2006-07-12 Eric Christopher <echristo@apple.com>
2114 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2115 (stmp-lipo): Depend on libgcc.a.
2117 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2119 * tree.c: Fix a comment typo.
2121 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2123 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2125 (umulhisi3_r): Likewise.
2127 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2130 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2131 x < 19, vs wchar_t support.
2133 2006-07-12 Nick Clifton <nickc@redhat.com>
2135 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2136 instead of -isa=sh4.
2138 2006-07-12 Mike Stump <mrs@apple.com>
2140 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2142 2006-07-10 Eric Christopher <echristo@apple.com>
2144 * config/t-slibgcc-darwin: Rewrite.
2146 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2149 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2152 2006-07-08 Matthias Klose <doko@debian.org>
2154 * doc/sourcebuild.texi: Fix typo.
2156 2006-07-07 Mike Stump <mrs@apple.com>
2158 * toplev.c (process_options): Don't give -ffunction-sections may
2159 affect debugging warning for Mach-O.
2161 2006-07-07 James E Wilson <wilson@specifix.com>
2163 * config/mips/mips.md (cpu): Add sb1a.
2164 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2165 addition to sb1. Adjust comments to clarify SB-1A differences from
2167 (ir_sb1a_load): New. Modify bypasses to use it.
2168 (ir_sb1a_simple_alu): Likewise.
2169 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2170 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2171 (mips_issue_rate): Add PROCESSOR_SB1A.
2172 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2173 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2174 (TARGET_SB1): Add PROCESSOR_SB1A check.
2175 (TUNE_SB1): Likewise.
2177 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2178 * config/mips/mips.c (mips_store_data_bypass_p): New.
2179 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2180 store_data_bypass_p.
2182 2006-07-08 Paul Brook <paul@codesourcery.com>
2185 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2187 2006-07-07 Richard Guenther <rguenther@suse.de>
2190 * tree.h (build_one_cst): Declare.
2191 * tree.c (build_one_cst): New function.
2192 * tree-ssa-math-opts.c (get_constant_one): Remove.
2193 (insert_reciprocals): Use build_one_cst.
2194 * fold-const.c (fold_plusminus_mult): Likewise.
2196 2006-07-07 Roger Sayle <roger@eyesopen.com>
2198 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2199 * cfgloopanal.c (dump_graph): Likewise.
2200 * dojump.c (discard_pending_stack_adjust): Likewise.
2201 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2203 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2204 * function.c (finalize_block_changes): Likewise.
2205 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2206 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2207 * rtl.c (dump_rtx_statistics): Likewise.
2208 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2210 * varray.c (dump_varray_statistics): Likewise.
2211 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2212 decode_decimal64, encode_decimal128, decode_decimal128,
2213 decimal_real_to_decimal): Likewise.
2215 2006-07-07 Richard Guenther <rguenther@suse.de>
2217 PR tree-optimization/28187
2218 * tree-vrp.c (vrp_operand_equal_p): New function.
2219 (vrp_bitmap_equal_p): Likewise.
2220 (update_value_range): Use them to compare old and new
2223 2006-07-06 Roger Sayle <roger@eyesopen.com>
2225 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2226 a default case to switch statement to silence compiler warnings.
2228 2006-07-06 Roger Sayle <roger@eyesopen.com>
2231 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2232 the configured assembler supports the x87's ffreep mnemonic.
2233 * configure: Regenerate.
2234 * config.in: Regenerate.
2236 * config/i386/i386.c (output_387_ffreep): New function.
2237 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2238 (output_387_reg_move): Likewise.
2240 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2242 Port to hosts whose 'sort' and 'tail' implementations
2243 treat operands with leading '+' as file names, as POSIX
2244 has required since 2001. However, make sure the code still
2245 works on pre-POSIX hosts.
2246 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2247 which says you should use "tail -c +N" rather than "tail +Nc".
2248 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2250 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2252 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2255 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2258 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2259 PRE_{INC,DEC} of TFmode.
2261 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2262 Alan Modra <amodra@bigpond.net.au>
2265 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2268 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2271 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2272 Remove duplicate gtu.
2274 2006-07-05 Jason Merrill <jason@redhat.com>
2278 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2279 * c-common.c (handle_packed_attribute): So don't copy it here.
2280 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2282 2006-07-05 Mike Stump <mrs@apple.com>
2284 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2286 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2289 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2291 2006-07-05 Richard Guenther <rguenther@suse.de>
2294 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2295 TARGET_SSE2 targets if using SSE math.
2296 (*absdf2_1): Likewise.
2298 2006-07-05 Richard Guenther <rguenther@suse.de>
2300 PR tree-optimization/28162
2301 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2302 make sure to convert the operands to the correct type.
2304 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2306 PR tree-optimization/28218
2308 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2309 to calculate and free the dominator information.
2311 2006-07-04 Peter O'Gorman <peter@pogma.com>
2313 * mklibgcc.in: chmod 644 before ranlib during install.
2315 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2316 J"orn Rennecke <joern.rennecke@st.com>
2318 * configure.ac (.eh_frame data check): Use diff -b.
2320 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2323 * Makefile.in (BUILD_RTL): Add build/vec.o.
2324 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2325 (build/genextract): Delete.
2326 (build/genautomata): Likewise.
2328 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2331 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2332 128-bit IBM long doubles for ABI_V4.
2334 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2336 * tree.c (range_in_array_bounds_p): New predicate.
2337 * tree.h (range_in_array_bounds_p): Declare it.
2338 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2339 return a less conservative answer.
2340 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2341 and flag 'is_group'.
2342 (IS_ELEMENT_FOR_GROUP): New macro.
2343 (FOR_EACH_ACTUAL_CHILD): Likewise.
2344 (next_child_for_group): New helper function.
2345 (can_completely_scalarize_p): Take into account groups.
2346 (sra_hash_tree): Handle RANGE_EXPR.
2347 (sra_elt_eq): Likewise.
2348 (lookup_element): Be prepared for handling groups.
2349 (is_valid_const_index): Delete.
2350 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2351 instead of is_valid_const_index.
2352 <ARRAY_RANGE_REF>: New case.
2353 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2354 is_valid_const_index.
2355 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2356 (scan_dump): Dump info for groups too.
2357 (decide_instantiation_1): Likewise.
2358 (decide_block_copy): Assert that the element is not a group.
2359 Propagate decision to groups.
2360 (generate_one_element_ref): Handle RANGE_EXPR.
2361 (mark_no_warning): Iterate over actual childs.
2362 (generate_copy_inout): Likewise.
2363 (generate_element_copy): Likewise.
2364 (generate_element_zero): Likewise.
2365 (generate_element_init_1): Likewise.
2366 (dump_sra_elt_name): Handle RANGE_EXPR.
2368 2006-07-03 Roger Sayle <roger@eyesopen.com>
2370 PR tree-optimization/26251
2371 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2372 (thread_block): When optimizing for size refuse to thread jumps
2373 that would require duplication of blocks other than redirection
2376 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2378 * configure.ac: Fix thinko in previous check-in.
2379 * configure: Regenerate.
2381 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2384 * configure.ac (for lang...): Simplify nesting of conditionals.
2385 Test subdir_requires for non-enabled languages. Move processing
2386 of lang_opt_files and lang_tree_fiels below that test.
2387 * configure: Regenerate.
2388 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2390 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2392 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2394 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2396 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2399 2006-06-29 Jason Merrill <jason@redhat.com>
2406 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2407 * c-common.c (c_determine_visibility): Handle it here.
2408 * c-decl.c (finish_decl): Call c_determine_visibility for
2410 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2412 * varasm.c (default_assemble_visibility): Likewise.
2413 * c-common.c (handle_visibility_attribute): Complain about trying
2414 to give visibility to an already defined class, or trying to change
2415 declared visibility. Always attach the attribute.
2420 * attribs.c (decl_attributes): Ignore type-in-place attributes
2421 once the type has been defined.
2423 2006-06-29 Roger Sayle <roger@eyesopen.com>
2426 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2427 to indicate the cpplib has issued an error message for us.
2429 2006-06-29 Asher Langton <langton2@llnl.gov>
2432 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2433 insert a label at the end of an function under Mach-O.
2435 2006-06-29 Eric Christopher <echristo@apple.com>
2436 Evan Cheng <evan.cheng@apple.com>
2438 * predicates.md (vector_all_ones_operand): New.
2439 (nonimmediate_or_sse_const_operand): Ditto.
2440 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2441 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2442 (standard_sse_mode_p): Ditto.
2443 (standard_sse_constant_p): Add case for -1 vector.
2444 (ix86_expand_vector_move): Try to use.
2445 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2446 Call standard_sse_constant_opcode.
2447 (*movv4sf_internal): Ditto.
2448 (*movv2df_internal): Ditto.
2450 2006-06-29 Roger Sayle <roger@eyesopen.com>
2452 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2453 of XEXP to extract the operands of a MATCH_CODE rtx.
2455 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2457 * tree.c (tree_size): Do not waste tail padding in
2458 struct tree_string and make the size be the same as
2459 build_string will generate.
2461 2006-06-28 Jason Merrill <jason@redhat.com>
2464 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2465 may_aliases already in the tag's annotations to the bitmap.
2467 2006-06-28 Roger Sayle <roger@eyesopen.com>
2469 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2471 2006-06-28 Roger Sayle <roger@eyesopen.com>
2473 * genpreds.c (generate_switch_p): New function.
2474 (add_mode_tests): Push the new mode test down inside an AND expr
2475 if this allows the switch-suitable MATCH_CODE to be near the root.
2476 (write_match_code_switch): New function to write a MATCH_CODE as
2478 (write_predicate_stmts): New function to write a predicate RTX
2479 expression as a sequence of statements.
2480 (write_one_predicate_function): Use write_predicate_stmts.
2481 (write_tm_constrs_h): Likewise.
2483 2006-06-26 Fred Fish <fnf@specifix.com>
2485 * config/mips/t-sb1: New file.
2486 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2489 2006-06-26 DJ Delorie <dj@redhat.com>
2491 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2493 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2494 Jayant Sonar <jayants@kpitcummins.com>
2495 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2497 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2498 (subsi3, subsi3_1, subsi3_2): New.
2499 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2500 * config/m32c/mov.md (SI mov peephole): New.
2501 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2502 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2504 2006-06-26 Olivier Hainque <hainque@adacore.com>
2506 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2507 a CALL_EXPR target function declaration.
2509 2006-06-26 Richard Guenther <rguenther@suse.de>
2511 * tree.c (build_string): Do not waste tail padding in
2514 2006-06-26 Richard Guenther <rguenther@suse.de>
2516 * ggc-page.c (init_ggc): Add missing element to size_lookup
2520 2006-06-23 Richard Guenther <rguenther@suse.de>
2522 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2523 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2524 alignment requests instead. Add verification code.
2525 Add struct tree_function_decl and struct tree_binfo size to
2526 extra_order_size_table. Add missing element to size_lookup
2529 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2532 * fold-const.c (const_binop): Be prepared for self returning zero.
2533 Simplify code handling complex values.
2535 2006-06-24 Olivier Hainque <hainque@adacore.com>
2537 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2538 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2541 2006-06-24 Olivier Hainque <hainque@adacore.com>
2543 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2544 ARRAY_REF, so have the callback called for the low bound expression.
2546 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2548 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2549 * c-typeck.c (c_common_type): Disallow operations on decimal float
2550 types and other float types.
2551 * convert.c (convert_to_real): Don't ignore conversions involving
2552 decimal float types.
2554 2006-06-23 Olivier Hainque <hainque@adacore.com>
2556 * tree.c (max_int_size_in_bytes): New function, inspired from
2557 code in function.c:assign_temp.
2558 * tree.h (max_int_size_in_bytes): Declare.
2559 * function.c (assign_temp): Use it.
2560 * gimplify.c (create_tmp_var): Relax the assertions on the type
2561 properties, not mandating constant size any more.
2562 (force_constant_size): New static function.
2563 (gimple_add_tmp_var): Use it, forcing variable size to a
2564 constant upper bound if it is not constant on entry.
2566 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2569 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2570 for initialization and setting of one_only flag to ...
2571 (i386_pe_encode_section_info): ...here.
2572 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2573 Recheck that the symbol has not been defined.
2575 2006-06-23 Richard Guenther <rguenther@suse.de>
2577 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2578 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2579 alignment requests instead. Add verification code.
2580 Add struct tree_function_decl and struct tree_binfo size to
2581 extra_order_size_table. Add missing element to size_lookup
2584 2006-06-22 Roger Sayle <roger@eyesopen.com>
2585 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2588 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2589 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2591 2006-06-23 Ben Elliston <bje@au.ibm.com>
2593 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2594 negate dn -- manipulate it directly.
2596 2006-06-22 Roger Sayle <roger@eyesopen.com>
2597 Steven Bosscher <stevenb.gcc@gmail.com>
2600 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2601 generated by gen_move_insn to add REG_LABEL notes if necessary.
2603 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2605 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2606 (leaf_entry): Remove use of MIN_ESA.
2608 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2610 PR rtl-optimization/28121
2611 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2614 2006-06-21 DJ Delorie <dj@redhat.com>
2616 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2618 (mulhisi3_r): Likewise.
2620 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2623 * coverage.c (coverage_counter_alloc): Leave the index type
2625 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2628 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2630 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2631 section from the "Options for Code Generation Conventions".
2633 2006-06-21 Richard Henderson <rth@redhat.com>
2637 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2639 (global_symbolic_operand): Allow weak symbols, even if local_p.
2641 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2643 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2644 (find_interesting_uses_address): Punt if above function returns true.
2646 2006-06-21 Richard Guenther <rguenther@suse.de>
2648 * configure: Regenerated.
2650 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2652 * config/mips/mips.c (function_arg): Where one part of a
2653 complex argument is in registers and the other part in the stack,
2654 return a REG not a PARALLEL.
2656 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2658 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2659 when cross-compiling. Do not substitute libstdcxx_incdir.
2660 * configure: Regenerated.
2662 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2664 * varasm.c (mergeable_string_section): Check for embedded NULs and
2665 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2666 rather than TREE_STRING_LENGTH bytes.
2668 2006-06-21 Richard Guenther <rguenther@suse.de>
2670 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2671 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2674 2006-06-21 Richrad Guenther <rguenther@suse.de>
2676 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2677 Limit iteration over the dominators.
2679 2006-06-20 Roger Sayle <roger@eyesopen.com>
2681 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2682 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2684 2006-06-20 Richard Guenther <rguenther@suse.de>
2685 Michael Matz <matz@suse.de>
2687 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2689 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2690 * et-forest.h (et_free_pools): Prototype new function.
2691 * et-forest.c (et_free_tree_force): Free parent occurrence.
2692 (et_free_pools): New function.
2693 * dominance.c (free_dominance_info): Free et-forest alloc
2696 2006-06-20 Roger Sayle <roger@eyesopen.com>
2698 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2699 integer modes, attempt to directly construct an integer constant.
2701 * fold-const.c (native_encode_vector): Determine the size of each
2702 element from the vector type instead of the first vector element.
2704 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2705 if all of its elements/components are constant.
2706 (build_constructor_from_list): Likewise.
2708 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2710 PR tree-optimization/27331
2711 * tree-data-ref.c (free_data_ref): New function.
2712 (create_data_ref): Fail if the data reference has unknown access
2714 (free_data_refs): Use free_data_ref.
2716 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2719 * tree-inline.c (setup_one_parameter): Strip useless
2720 type conversion before adding it to the IR.
2721 (declare_return_variable): Likewise.
2723 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2726 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2728 2006-06-19 Mike Stump <mrs@apple.com>
2730 * tree.c (variably_modified_type_p): VM arguments don't make the
2733 2006-06-19 Richard Guenther <rguenther@suse.de>
2735 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2736 type conversions after folding.
2738 2006-06-19 Richard Guenther <rguenther@suse.de>
2740 * ggc-page.c (extra_order_size_tab): Add entries with
2741 size of struct function and basic_block.
2742 (size_lookup): Extend to cover sizes up to 511.
2743 (ggc_alloc_stat): Adjust user.
2744 (ggc_pch_count_object): Likewise.
2745 (ggc_pch_alloc_object): Likewise.
2746 (ggc_pch_write_object): Likewise.
2748 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2750 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2751 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2754 2006-06-19 Denis Chertykov <denisc@overta.ru>
2756 * config/avr/libgcc.S : Correct my wrong previous commit.
2758 2006-06-19 Roger Sayle <roger@eyesopen.com>
2761 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2762 have stripped a SUBREG from the shift count, so we may need to
2763 convert_to_mode back to the type's mode before calling make_tree.
2764 Use new_amount instead of amount to avoid expanding a tree twice.
2766 2006-06-19 Richard Guenther <rguenther@suse.de>
2769 * fold-const.c (operand_equal_p): Check if the argument types
2770 have the same precision before stripping NOPs.
2772 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2774 Fix PR tree-optimization/27341
2775 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2777 * tree-complex.c (pass_lower_complex): Update SMT usage.
2779 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2781 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2782 Add a new alternative to the constraint strings. Add move of
2783 operand 1 to 3 to the splitter definition.
2784 ("doloop_si_long"): Second contraint alternative removed.
2786 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2788 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2789 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2791 (AVR_HAVE_MOVW) Define.
2792 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2793 (ASM_SPEC): Add avr25.
2794 (LINK_SPEC): Add avr25.
2795 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2796 (base_arch_s): Add new member 'have_movw_lpmx'.
2797 (avr_arch_types): Init 'have_movw_lpmx'.
2798 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2799 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2800 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2801 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2802 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2804 (avr_file_start): Do not output '.arh' derective.
2805 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2806 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2807 * config/avr/avr.md (mcu_enhanced): Delete.
2808 (mcu_have_movw): Define.
2809 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2810 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2811 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2812 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2813 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2814 attiny861 and at86rf401 devices.
2816 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2818 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2821 2006-06-17 Karl Berry <karl@gnu.org>
2823 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2824 doc/gccint.texi, doc/install.texi (@dircategory): Use
2825 "Software development" instead of "Programming", following
2826 the Free Software Directory.
2828 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2830 * config/i386/i386.c (legitimate_tls_address)
2831 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2832 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2833 (*tls_dynamic_gnu2_combine_64): Likewise.
2835 2006-06-16 Richard Guenther <rguenther@suse.de>
2838 * fold-const.c (negate_expr_p): Do not introduce undefined
2839 overflow in negating INTEGER_CSTs.
2840 (fold_negate_expr): Rename from negate_expr. Revert last
2841 change for folding BIT_NOT_EXPR. Change semantics to
2842 return NULL_TREE for non-simplified negations. Do not
2843 strip type conversions and unify type handling.
2844 (negate_expr): New function, wrap around fold_negate_expr
2845 but ensure building a tree always. Strip type conversions
2846 here, fold to result type.
2847 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2849 2006-06-16 Roger Sayle <roger@eyesopen.com>
2852 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2853 that (would) return their results in stack registers.
2855 2006-06-16 Michael Matz <matz@suse.de>
2856 Richard Guenther <rguenther@suse.de>
2858 * fold-const.c (fold_truthop): Only return new tree node if
2859 we canonicalized something.
2861 2006-06-16 Richard Guenther <rguenther@suse.de>
2863 * function.h (enum function_frequency): Move declaration
2864 out of struct function.
2865 (struct function): Move bool fields and the enum to the bitfield
2866 section. Reorder elements to avoid padding. Remove unused
2867 fields left over from the RTL inliner removal.
2868 * function.c (free_after_compilation): Do not zero removed fields.
2869 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2870 (ipa-type-escape.o): Likewise.
2872 2006-06-16 Richard Guenther <rguenther@suse.de>
2874 * cgraph.h (struct cgraph_local_info): Turn bool elements
2876 (struct cgraph_node): Likewise.
2877 (struct cgraph_varpool_node): Likewise.
2879 2006-06-15 Richard Guenther <rguenther@suse.de>
2881 * fold-const.c (fold_truth_not_expr): Rename from
2882 invert_truthvalue. Give it fold_* semantics to avoid
2884 (invert_truthvalue): New function. Wrapper around
2885 fold_truth_not_expr.
2886 (optimize_minmax_comparison): Avoid creating garbage.
2887 (fold_unary): Use fold_truth_not_expr for folding
2889 (fold_ternary): Replace uses of invert_truthvalue with
2890 fold_truth_not_expr where applicable.
2891 * tree.h (fold_truth_not_expr): Prototype.
2893 2006-06-16 Richard Guenther <rguenther@suse.de>
2895 PR tree-optimization/27781
2896 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2897 * ipa-pure-const.c (target.h): Include.
2898 (analyze_function): Do not analyze functions that do not
2901 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2904 * tree-dfa.c (referenced_vars_dup_list): Remove.
2905 (find_referenced_vars): Remove assert.
2906 (referenced_var_check_and_insert): Replace dup list with assert.
2907 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2908 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2910 2006-06-15 Richard Guenther <rguenther@suse.de>
2912 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2913 extra unused identifiers if not dumping.
2914 (create_variable_info_for): Likewise.
2916 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2918 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2919 (derive_constant_upper_bound): Derive more precise upper bound in
2920 common cases. Return type changed to double_int.
2921 (record_estimate): Reflect the changed return type of
2922 derive_constant_upper_bound.
2923 * double-int.c (double_int_zext, double_int_sext): Fix.
2925 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2927 * configure.ac (CFLAGS): Get them from the toplevel or from the
2928 configure invocation.
2929 * configure: Regenerate.
2930 * Makefile.in (CFLAGS): Substitute value provided by configure.
2932 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2935 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2936 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2937 rather than calling add_stmt on it.
2938 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2940 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2943 * reload1.c (reload): Remove registers returned by update_eliminables
2944 from used_spill_regs.
2946 2006-06-13 DJ Delorie <dj@redhat.com>
2948 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2950 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2952 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2953 html__strip_dir, html__mkdir_p. Enhance install-html target.
2954 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2955 * configure: Regenerate.
2957 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2959 * fold-const.c (fold_cond_expr_with_comparison): Check for
2960 Objective-C++ as language in deciding COND_EXPR transformation.
2962 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2965 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2966 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2967 * config/sh/lib1funcs.h (SL, SL1): Define.
2968 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2969 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2970 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2971 (OBJS_Os_4_200): New variable.
2972 ($(T)libgcc-Os-4-200.a): Use it.
2973 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2974 when dividing 1 and/or by 0.
2976 2006-06-13 Roger Sayle <roger@eyesopen.com>
2978 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2979 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2980 * configure: Regenerate.
2982 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2984 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2985 for real instruction.
2987 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2990 * haifa-sched.c (check_cfg): Handle special case.
2992 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2995 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2996 Add debug_info parameter. Chain the vars to the BLOCK instead
2997 of the BIND_EXPR if debug info are requested for them.
2998 (pop_gimplify_context): Adjust for above change.
2999 (gimple_add_tmp_var): Likewise.
3000 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3002 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3003 (convert_local_reference): Likewise.
3004 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3005 (finalize_nesting_tree_1): Request that debug info be emitted
3006 for debug_var_chain.
3008 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3010 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3011 for PR target/27863.
3013 2006-06-13 Richard Guenther <rguenther@suse.de>
3016 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3018 2006-06-13 Richard Guenther <rguenther@suse.de>
3020 PR tree-optimization/27830
3021 * tree-inline.c (copy_body_r): For copying the operand
3022 of an ADDR_EXPR make sure to fold &* afterwards.
3024 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3026 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3027 lvalues in the fb_none case with side-effects.
3029 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3031 * tree-flow.h: Remove the prototype for
3032 compute_phi_arg_on_exit.
3033 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3034 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3037 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3039 * builtins.c (expand_builtin_return_addr): Only use
3040 frame_pointer_rtx when count == 0 and we are expanding
3041 __builtin_return_address.
3043 2006-06-12 Fred Fish <fnf@specifix.com>
3045 * config/mips/mips.c (mips_file_start): Create special section
3046 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3048 2006-06-11 Eric Christopher <echristo@apple.com>
3051 * stor-layout.c (place_field): Remove check for
3052 remaining_in_alignment when aligning at the end of a run.
3054 2006-06-11 Eric Christopher <echristo@apple.com>
3057 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3060 2006-06-11 Roger Sayle <roger@eyesopen.com>
3063 Revert incorrect fix for PR target/27158
3064 2006-05-08 Roger Sayle <roger@eyesopen.com>
3065 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3066 of a reg_equiv_constant if the result is a legitimate constant.
3068 2006-06-11 Roger Sayle <roger@eyesopen.com>
3071 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3072 extract a CONST_VECTOR element and interpret it as an integer.
3073 (vspltis_constant): Use const_vector_elt_as_int instead of the
3074 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3075 * config/rs6000/predicates.md (easy_vector_const): Consider
3076 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3078 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3081 * stor-layout.c (update_alignment_for_field): Don't add extra
3082 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3085 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3087 * config/mips/t-rtems: Add EL/EB multilib variants.
3089 2006-06-09 Mike Stump <mrs@apple.com>
3091 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3093 2006-06-09 David Daney <ddaney@avtrex.com>
3095 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3097 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3099 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3101 2006-06-09 Richard Guenther <rguenther@suse.de>
3103 PR tree-optimization/26998
3104 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3105 of signed types, only TYPE_MIN_VALUE is special, but for both,
3106 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3107 in this case, as is -fwrapv.
3109 2006-06-08 Mike Stump <mrs@apple.com>
3112 * config/darwin.c (darwin_asm_output_anchor): Disable
3113 -fsection-anchors on darwin for now.
3114 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3115 * rs6000/rs6000.c (optimization_options): Likewise.
3117 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3120 * config/i386/i386.c (classify_argument): Skip fields with invalid
3123 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3125 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3126 (cse_insn): Likewise for the stack_pointer_rtx.
3128 2006-06-08 Roger Sayle <roger@eyesopen.com>
3130 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3131 conditions from floating point comparisons.
3133 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3136 * expmed.c (struct alg_hash_entry): Fix type of field T
3137 to match synth_mult argument.
3138 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3140 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3143 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3146 2006-06-08 Richard Guenther <rguenther@suse.de>
3149 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3150 only, if overflow is defined and not trapping.
3151 (negate_expr): Likewise.
3153 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3155 PR tree-optimization/27872
3156 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3157 flag on the new exit edge of the unrolled loop.
3159 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3161 PR rtl-optimization/26449
3162 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3164 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3167 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3168 referenced_variables with matching DECL_UID's.
3169 (find_referenced_vars): Make sure duplicate list is empty to start.
3170 (referenced_var_p): Remove.
3171 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3172 Check if var is in the list, and add if needed. Update the duplicate
3173 list if a different var is in the list with the same DECL_UID.
3174 (add_referenced_var): Call routine to check and insert.
3175 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3176 * tree-flow.h (referenced_vars_dup_list): External declaration.
3178 2006-06-07 Fred Fish <fnf@specifix.com>
3180 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3183 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3186 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3187 the imaginary and real parts of a clobbered register.
3188 Emit insn to set the imaginary part.
3190 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3192 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3193 in lieu of unwind-dw2-fde.c.
3195 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3197 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3199 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3202 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3203 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3204 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3205 V4SImode temporaries and operations instead.
3207 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3209 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3212 2006-06-06 Mike Stump <mrs@apple.com>
3214 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3215 installing during build.
3217 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3219 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3221 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3222 * config/ia64/ia64.c (params.h): New header.
3223 (ia64_optimization_options): New function to adjust parameters.
3224 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3225 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3226 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3228 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3230 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3232 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3235 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3237 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3238 Victor Kaplansky <victork@il.ibm.com>
3240 PR tree-optimization/26360
3241 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3244 2006-06-04 Roger Sayle <roger@eyesopen.com>
3245 Andrew Pinski <pinskia@physics.uc.edu>
3248 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3249 for LABEL_DECL before calling DECL_WEAK.
3252 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3253 LABEL_DECL and PARM_DECL.
3255 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3259 * c-decl.c (grokdeclarator): Disallow variably modified types at
3260 file scope. Avoid marking shared array type of constant size as
3263 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3266 * c-common.c (fold_offsetof_1): Handle static members.
3268 2006-06-04 Eric Christopher <echristo@apple.com>
3270 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3271 (debug_rli): Output value for remaining_in_alignment.
3272 (update_alignment_for_field): Unconditionalize
3273 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3274 extra alignment code.
3275 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3276 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3277 * tree.h (record_layout_info_s): Remove prev_packed.
3278 * doc/extend.texi (ms_struct): Add documentation of format.
3280 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3282 * tree.h: Declare folding_initializer.
3283 * builtins.c (fold_builtin_constant_p): Give definite answer
3284 if folding inside an initializer.
3285 * fold-const.c: Define folding_initializer.
3286 (START_FOLD_INIT): Save and then set folding_initializer.
3287 (END_FOLD_INIT): Restore folding_initializer.
3289 2006-06-04 Richard Guenther <rguenther@suse.de>
3291 PR tree-optimization/27039
3292 * fold-const.c (fold_comparison): Handle pointer comparison
3293 again for all comparison codes. Compare offsets in signed
3295 (fold_binary): Move code from here.
3297 2006-06-03 Roger Sayle <roger@eyesopen.com>
3300 * config/i386/i386.c (construct_container): Split static issued_error
3301 flag into issued_sse_arg_error, issued_sse_ret_error and
3302 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3303 requires the use of x87 registers and the user explicitly
3304 specified the -mno-80387 command line option.
3306 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3308 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3309 HAVE_DECL_SIGALTSTACK.
3311 (segv_handler): Use MC_FLD.
3312 * configure.ac: Check for a sigaltstack declaration.
3313 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3314 * configure: Regenerate.
3315 * config.in: Regenerate.
3317 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3320 * Makefile.in (stmp-fixinc): Fix typo.
3322 2006-06-02 Roger Sayle <roger@eyesopen.com>
3324 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3325 are type correct. Clean-up.
3326 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3327 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3329 2006-06-01 DJ Delorie <dj@redhat.com>
3331 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3332 shift, as we've disabled the "switch" insn that needs it.
3334 2006-06-01 Per Bothner <bothner@bothner.com>
3336 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3337 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3338 * c-ppoutput.c (cb_define): Don't increment line 0.
3340 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3342 * doc/invoke.texi: Add cpu_type power6.
3343 * config.gcc: Add cpu_type power6.
3344 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3345 to power5+ with Altivec.
3346 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3347 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3349 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3351 * config/avr/avr.h (SET_ASM_OP): Define.
3353 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3355 * config/bfin/bfin.c: Fix comment typos.
3357 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3360 * doc/install.texi: Document --enable-bootstrap and
3361 --disable-bootstrap.
3363 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3365 * doc/install.texi: Document that InfoZIP can replace jar.
3367 2006-05-31 Roger Sayle <roger@eyesopen.com>
3369 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3370 isn't available, directly generate the simpler x87 patterns without
3371 the (use (const_int 0)).
3372 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3373 implementation isn't available.
3374 (*negdf2_1): Likewise.
3375 (*negxf2_1): XF mode negation is always done using the x87.
3376 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3378 2006-05-31 Roger Sayle <roger@eyesopen.com>
3380 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3381 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3383 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3385 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3387 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3388 * config/bfin/bfin.c (basic-block.h): Include.
3389 (struct machine_function): New.
3390 (bfin_init_machine_status): New.
3391 (override_options): Initialize init_machine_status.
3392 (bfin_hardware_loop): New.
3393 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3394 (DEF_VEC_P (loop_info)): New.
3395 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3396 (struct loop_info): New.
3397 (loop_info): New typedef.
3398 (struct loop_work): New.
3399 (loop_work): New typedef.
3400 (DEF_VEC_O (loop_work)): New.
3401 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3402 (bfin_dump_loops): New.
3403 (bfin_bb_in_loop): New.
3404 (bfin_scan_loop): New.
3405 (bfin_optimize_loop): New.
3406 (bfin_reorg_loops): New.
3407 (bfin_reorg): Use bfin_reorg_loops.
3408 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3410 (I_REGNO_P): Simplify.
3411 (DP_REGNO_P, DPREG_P): New macros.
3412 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3413 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3414 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3415 Add LT_REGS, LC_REGS, LB_REGS.
3416 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3418 (REGNO_REG_CLASS): Deal with loop registers.
3419 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3421 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3422 New constants for loop registers.
3423 (UNSPEC_LSETUP_END): New.
3424 (seq_insns): New define_attr. Set it for appropriate insns.
3425 (movsi_insn): Add alternatives for move from/to
3426 loop count registers.
3427 (doloop_end): New define_expand.
3428 (loop_end): New define_insn.
3429 (define_split for bad doloop_end): New.
3430 (lsetup_with_autoinit): New define_insn.
3431 (lsetup_without_autoinit): New define_insn.
3432 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3433 * config/bfin/predicates.md (lc_register_operand): New.
3434 (lt_register_operand): New.
3435 (lb_register_operand): New.
3436 (nondp_register_operand): New.
3437 (nondp_reg_or_memory_operand): New.
3438 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3440 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3442 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3443 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3445 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3447 * Makefile.in (CATALOGS): Add po/ prefix.
3448 * configure: Regenerated.
3450 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3453 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3454 a shift operand before calling shift_op. Avoid redundant call of
3457 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3458 DJ Delorie <dj@redhat.com>
3460 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3461 we're inserting is a singlt-bit constant.
3463 2006-05-30 Roger Sayle <roger@eyesopen.com>
3465 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3466 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3468 2006-05-30 Roger Sayle <roger@eyesopen.com>
3470 PR tree-optimization/23452
3471 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3472 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3473 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3474 complex values and with -ffast-math for FP complex values.
3476 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3478 * c-common.h: Remove the prototype for yyparse.
3479 * rtl.h: Remove the prototype for init_loop.
3481 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3483 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3486 2006-05-30 Roger Sayle <roger@eyesopen.com>
3488 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3490 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3491 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3493 2006-05-30 Dirk Mueller <dmueller@suse.de>
3496 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3497 for CONSTANT_CLASS_P expresisons.
3499 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3502 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3504 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3506 PR tree-optimization/27779
3507 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3508 initial_condition instead of CHREC_LEFT.
3510 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3512 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3513 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3514 Make prototypes ISO C90.
3516 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3517 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3519 * see.c (see_analyze_one_def): Correct check.
3520 (see_get_extension_data): Check if extension is parallel.
3521 (see_get_extension_reg): Likewise.
3523 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3526 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3527 into register for (code == GTU).
3529 2006-05-29 Roger Sayle <roger@eyesopen.com>
3531 PR tree-optimization/24964
3532 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3533 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3534 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3535 abs(x)*abs(x) as x*x for scalar floating point modes.
3537 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3540 * lambda-code.c (perfect_nestify): Don't copy statements
3541 in the inner loop: move them to the inner loop header.
3543 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3546 * c-tree.texi: Document OpenMP directives and clauses.
3548 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3550 * varasm.c (globalize_decl): Fix indentation.
3552 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3555 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3556 pass_fre, pass_store_ccp, pass_copy_prop,
3557 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3558 pass_return_slot, pass_object_size, pass_lim,
3559 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3560 pass_loop_prefetch and pass_stdarg.
3562 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3564 * config/bfin/bfin.opt (mfdpic): New option.
3565 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3566 (EXTRA_MULTILIB_PARTS): Likewise.
3567 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3568 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3570 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3571 (CRT_CALL_STATIC_FUNCTION): New.
3572 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3574 (CRT_CALL_STATIC_FUNCTION): New.
3575 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3577 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3578 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3579 (initialize_trampoline): Changed to handle FD-PIC code generation.
3580 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3581 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3582 (override_options): Disallow -mid-shared-library -mfdpic combination.
3583 Can't do unaligned ops if FD-PIC.
3584 Turn off flag_pic if trying to generate non-id-shared-library
3585 non-fdpic code, since it's not supported.
3586 (bfin_assemble_integer): New function.
3587 (TARGET_ASM_INTEGER): Define.
3588 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3590 * config/bfin/crtn.s: Restore them.
3591 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3593 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3594 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3595 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3596 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3597 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3599 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3600 FDPIC_REGS and FDPIC_FPTR_REGS.
3601 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3602 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3603 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3604 (load_funcdescsi): New pattern.
3605 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3606 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3607 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3609 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3611 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3614 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3616 * tree-flow.h: Remove the prototype for add_type_alias.
3617 * tree-ssa-alias.c (add_type_alias): Remove.
3619 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3621 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3622 config/fr30/fr30.md, config/i386/i386-interix.h,
3623 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3624 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3625 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3626 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3627 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3628 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3629 Follow spelling conventions.
3630 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3631 Follow spelling conventions.
3633 2006-05-27 Richard Guenther <rguenther@suse.de>
3636 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3637 to produce a constant of value 1 of generic type.
3639 2006-05-27 Dirk Mueller <dmueller@suse.de>
3641 * cgraphunit.c (decide_is_function_needed): Fix wrong
3644 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3646 PR rtl-optimization/27661
3647 * reload.c (find_reloads): When reloading a VOIDmode constant
3648 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3649 use Pmode as mode of the reload register.
3651 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3653 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3654 is enabled at -O and above.
3656 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3659 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3662 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3665 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3666 for anonymous variables explicitly declared by front ends.
3668 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3670 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3671 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3672 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3673 ref-all pointers, run a finalization pass for them.
3674 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3675 (finalize_ref_all_pointers): New function.
3676 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3677 regular pointer type to a ref-all pointer type.
3678 (get_tmt_for): Return the special memory tag for ref-all pointers.
3680 2006-05-25 Richard Guenther <rguenther@suse.de>
3683 * fold-const.c (fold_binary): Do not look at the stripped
3684 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3686 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3688 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3689 for LT and GT if the computed range is effectively empty.
3691 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3694 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3695 mips_quad_format formats instead of ieee_single_format,
3696 ieee_double_format and ieee_quad_format formats, respectively.
3698 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3700 PR tree-optimization/27639
3701 PR tree-optimization/26719
3702 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3703 call to scev_probably_wraps_p.
3704 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3705 used_in_pointer_arithmetic_p, convert_step): Removed.
3706 (nowrap_type_p): New function.
3707 (scev_probably_wraps_p): Rewritten.
3708 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3709 chrec_convert if chrec_convert_aggressive might have been used.
3710 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3711 scev_direction): New functions.
3712 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3713 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3714 instead of convert_step.
3715 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3716 (convert_step): Declaration removed.
3717 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3719 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3721 * df-core.c: Added to header comments.
3722 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3723 df_ur_bb_info, df_urec_bb_info): Added comments.
3724 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3725 urec, ri problems): Fixed header comments.
3726 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3727 code from df_rd_transfer_function.
3729 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3731 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3732 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3733 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3735 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3737 * expr.c (undefined_operand_subword_p): New.
3738 (emit_move_multi_word): Do not generate move from undefined bits
3739 of a paradoxical subreg.
3741 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3743 PR rtl-optimization/27736
3744 * combine.c (replaced_rhs_value): New variable.
3745 (combine_instructions): Set it.
3746 (distribute_notes): When distributing a note in replaced_rhs_insn,
3747 check whether the value was used in replaced_rhs_value.
3749 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3752 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3753 add_referenced_var instead of add_referenced_tmp_var.
3754 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3755 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3757 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3758 tree_optimize_tail_calls_1): Use add_referenced_var.
3759 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3760 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3761 Use add_referenced_var.
3762 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3763 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3764 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3765 Use add_referenced_var.
3766 * tree-dfa.c (struct walk_state): Remove.
3767 (find_referenced_vars): Remove walk state and vars_found hash table.
3768 (make_rename_temp): Use add_referenced_var.
3769 (find_vars_r): Pass less parameters to add_referenced_var.
3770 (referenced_var_p): New. Is var in referenced_var hash table.
3771 (referenced_var_insert): Assert var isn't already in hash table.
3772 (add_referenced_var): Don't need walk_state parameter. Add var if it
3773 isn't already in the hash table.
3774 (add_referenced_tmp_var): Remove.
3775 (find_new_referenced_vars_1): Use add_referenced_var.
3776 * tree-ssa-pre.c (create_expression_by_pieces,
3777 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3778 Use add_referenced_var.
3779 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3780 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3781 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3783 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3784 vect_create_data_ref_ptr, vect_create_destination_var,
3785 vect_init_vector, vect_build_loop_niters,
3786 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3787 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3788 Use add_referenced_var.
3789 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3790 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3791 (add_referenced_var): Add prototype.
3792 * tree-ssa-structalias.c (get_constraint_for,
3793 intra_create_variable_infos): Use add_referenced_var.
3795 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3797 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3798 big-endian paradoxical subregs.
3799 * var-tracking.c (struct micro_operation_def): Document that,
3800 for modify micro operations, insn is the subsequent instruction.
3801 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3802 (var_reg_set, var_mem_set): ... new functions.
3803 (add_stores): Record subsequent insn.
3804 (compute_bb_dataflow): Use new functions for MO_USE.
3805 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3806 notes after the insn, and modify notes before the insn known
3807 to be the subsequent one.
3808 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3810 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3813 * config/i386/i386.c (ix86_expand_builtin): Use
3814 gen_sse3_monitor64 for TARGET_64BIT.
3816 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3818 PR rtl-optimization/26375
3819 PR rtl-optimization/26855
3820 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3822 (df_ru_bb_local_compute): Reversed statements and removed bogus
3823 comment explaining why they should be in wrong order.
3824 (df_ru_dump, df_rd_dump): Enhanced debug info.
3825 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3827 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3828 reaching uses and fixed space problem.
3830 2006-05-23 Jan Hubicka <jh@suse.cz>
3832 * cgraphunit.c (decide_is_function_needed): Also nested functions
3833 and functions declared inline can be optimized out at -O0.
3835 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3837 * doc/install.texi (Configuration): Remove reference to CrossGCC
3841 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3844 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3845 ix86_compare_emitted is non-NULL.
3847 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3850 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3853 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3855 PR rtl-optimization/25514
3856 * combine.c (replaced_rhs_insn): New variable.
3857 (combine_instructions): Set replaced_rhs_insn when trying to replace
3858 a SET_SRC with a REG_EQUAL note.
3859 (distribute_notes): Use replaced_rhs_insn when determining the live
3860 range of a REG_DEAD register.
3862 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3863 Anatoly Sokolov <aesok@post.ru>
3865 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3866 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3867 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3868 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3869 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3870 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3871 at90usb647, at90usb1286 and at90usb1287 devices.
3872 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3873 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3875 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3877 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3879 2006-05-22 Richard Guenther <rguenther@suse.de>
3882 2006-01-31 Richard Guenther <rguenther@suse.de>
3883 Paolo Bonzini <bonzini@gnu.org>
3885 * doc/install.texi (--disable-libgcc-math): Document.
3887 2006-05-22 Richard Guenther <rguenther@suse.de>
3890 2006-01-31 Richard Guenther <rguenther@suse.de>
3892 * doc/invoke.texi (-msselibm): Document.
3893 * target.h (expand_library_builtin): New target hook.
3894 * builtins.c (expand_builtin): Use expand_library_builtin.
3895 (default_expand_library_builtin): New function.
3896 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3897 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3898 (link_gcc_math_spec): Declare.
3899 (static_specs): Add link_gcc_math_spec.
3900 * expr.h (default_expand_library_builtin): Declare.
3901 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3902 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3903 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3904 * config/i386/i386.opt (msselibm): New target option.
3905 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3906 (ix86_init_sse_abi_builtins): New function.
3907 (ix86_expand_library_builtin): Likewise.
3908 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3909 (override_options): Handle error conditions wrt -msselibm.
3910 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3911 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3912 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3915 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3918 * c-common.c (self_promoting_args_p): Skip erroneous args.
3921 * c-decl.c (finish_struct): Skip erroneous fields.
3923 2006-05-22 Nick Clifton <nickc@redhat.com>
3925 * config/cris/cris.opt (march): Remove VarExists attribute.
3926 (max-stackframe=): Likewise.
3928 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3930 * doc/rtl.texi: Fix a typo.
3931 * see.c: Fix comment typos.
3933 * tree-ssa-structalias.h (alias_info): Remove num_references.
3935 2006-05-21 Mike Stump <mrs@apple.com>
3937 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3939 (darwin_pragma_options): Use BAD instead.
3940 (darwin_pragma_unused): Likewise.
3941 (darwin_pragma_ms_struct): Likewise.
3943 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3945 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3947 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3949 PR rtl-optimization/27671
3950 * simplify-rtx.c (simplify_relational_operation_1): Fix
3951 simplifications of (eq/ne (xor x y) y) and
3952 (eq/ne (xor x y) x).
3954 PR tree-optimization/26622.
3955 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3958 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3960 * tree-cfg.c: Prune whitespace.
3961 (debug_tree_cfg): Point to correct header containing the
3964 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3967 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3969 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3972 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3973 or sorry count is non zero.
3975 2006-05-20 Andreas Schwab <schwab@suse.de>
3977 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3979 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3980 Kenneth Zadeck <zadeck@naturalbridge.com>
3982 PR rtl-optimization/26855
3984 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3986 (df_scan_alloc): Added code to properly handle multiword hard
3987 registers and add all_blocks parameter.
3988 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3989 code to properly handle multiword hard registers.
3990 (df_rescan_blocks): Added code to remove deleted blocks from
3992 (df_ref_create_structure, df_ref_record): Added code to properly
3994 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3995 and set DF_REF_PARTIAL.
3996 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3997 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3998 (df_scan_add_problem): Added flags parameter.
3999 (df_ref_create_structure): Changed switching structure.
4000 (df_bb_refs_record): Fixed case where duplicate artificial refs
4001 were created. Changed location of flags.
4002 (df_record_entry_block_defs): Added code to make stack pointer
4003 live in entry block. Refined cases where frame pointer is needed.
4004 Changed location of flags.
4005 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4006 (df_set_state): Removed function.
4007 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4008 df_insn_create_insn_record, df_insn_refs_delete,
4009 df_ref_create_structure): Formatting changes.
4010 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4011 df_delete_basic_block): New function.
4012 (df_init): Changed location of flags.
4013 (df_add_problem): Added flags parameter and the way flags are
4015 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4016 debug_df_chain): Improved debugging output.
4017 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4018 (df_refs_chain_dump): Removed df parameter.
4019 (df_iterative_dataflow): Added consistency check.
4020 (df_prune_to_subcfg): Made public.
4021 (df_analyze_problem): Added blocks_to_init parameter and made
4023 (df_ref_record, df_bb_refs_record, df_mark_reg,
4024 df_record_exit_block_uses): Whitespace changes.
4025 (df_dump): Whitespace changes.
4026 * df.h: Some reordering to remove forward references.
4027 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4028 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4029 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4030 (dataflow.flags): New field.
4031 (df.flag): Deleted field.
4032 (df_alloc_function): Added additional bitmap parameter.
4033 (df_dependent_problem_function): New type.
4034 (df_problem.changeable_flags): New field.
4035 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4036 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4037 (df_mw_hardreg): New struct.
4038 (DF_INSN_UID_MWS): New macro.
4039 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4041 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4042 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4043 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4044 (df_set_state): Removed function.
4045 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4046 * df-problems.c (df_chain_dump): Removed df parameter.
4047 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4048 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4050 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4051 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4052 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4053 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4054 DF_REF_MUST_CLOBBER cases.
4055 (df_ru_bb_local_compute_process_def,
4056 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4057 df_lr_bb_local_compute, df_ur_bb_local_compute,
4058 df_chain_create_bb): Made subreg aware.
4059 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4060 df_lr_bb_local_compute, df_lr_bb_local_compute,
4061 df_chain_create_bb): Cleanup to use proper macros.
4062 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4063 code to fixup bitvectors.
4064 (df_ri_alloc): Cleared lifetime.
4065 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4066 df_create_unused_note): New function.
4067 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4068 REG_DEAD and REG_UNUSED notes as well as register information.
4069 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4070 df_chains_dump): Fixed crash if problem was never run.
4071 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4072 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4073 df_ri_add_problem): Processes flags in uniform manner.
4074 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4075 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4076 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4077 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4078 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4079 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4080 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4081 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4082 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4083 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4084 * see.c (see_initialize_data): Ditto.
4085 * final.c (rest_of_clean_state) Added regstack_completed.
4086 * rtl.h (regstack_completed): Ditto.
4087 * reg-stack.c (regstack_completed): Ditto.
4089 2006-05-19 Mike Stump <mrs@apple.com>
4091 * c-tree.h (default_conversion): Remove.
4092 * c-common.h (default_conversion): Add.
4094 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4096 * tree-vrp.c (valid_value_p): New function.
4097 (adjust_range_with_scev): Fail if the value of bound is not
4100 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4102 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4103 (mips_fallback_frame_state): Use syscall numbers to determine
4104 the appropriate li instruction for the current ABI. Only use
4105 __NR_sigreturn for o32.
4107 2006-05-19 Nicolas Setton <setton@adacore.com>
4109 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4110 * langhooks.c (lhd_dwarf_name): New function.
4111 * langhooks-def.h (lhd_dwarf_name): Declare.
4112 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4113 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4114 * ada/misc.c (gnat_dwarf_name): New function.
4115 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4117 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4119 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4121 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4122 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4123 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4124 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4125 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4126 determine the size of Wtype, etc.
4127 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4128 (swfloatfuncs): New variable.
4129 (dwfloatfuncs): Likewise.
4130 (lib2funcs): Remove floating-point conversion functions from
4131 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4132 the set of conversion routines needed. Allow entries to specify
4133 an object name, filename and word size. Update users accordingly.
4134 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4135 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4139 2006-02-08 Roger Sayle <roger@eyesopen.com>
4142 * config/fixtfdi.c: New libgcc source file.
4143 * config/fixunstfdi.c: New source file.
4144 * config/floatditf.c: New source file.
4145 * config/floatunditf.c: New souce file.
4146 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4147 files above instead of config/mips/_tilib.c.
4148 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4150 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4152 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4153 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4155 2006-05-18 Mike Stump <mrs@apple.com>
4157 Fix up vla, vm and [*] sematics.
4163 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4164 (c_vla_unspec_p): Add.
4165 (c_vla_type_p): Add.
4166 * c-decl.c (struct c_scope): Add had_vla_unspec.
4167 (build_array_declarator): Add support for [*].
4168 (grokdeclarator): Likewise.
4169 (grokparms): Likewise.
4170 (get_parm_info): Likewise.
4171 * c-objc-common.c (c_vla_unspec_p): Likewise.
4172 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4173 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4174 typeof when argument is a variably modified type not inside sizeof or alignof.
4175 (c_parser_direct_declarator_inner): Propagate errors.
4176 (c_parser_sizeof_expression): Add support for [*].
4177 (c_parser_parms_declarator): Initialize had_vla_unspec.
4178 (c_parser_parms_list_declarator): Likewise.
4179 * c-typeck.c (c_vla_type_p): Add.
4180 (composite_type): Add support for vla compositing.
4181 (comptypes_internal): Add support for vla compatibility.
4182 (c_expr_sizeof_expr): Evaluate vla arguments.
4183 * tree.c (variably_modified_type_p): Update comment for [*].
4185 2006-05-18 Michael Matz <matz@suse.de>
4188 * config.host: Make assignments to host_xmake_file cumulative.
4189 * config.host (*-darwin*): Test $host, not $target.
4191 2006-05-12 Stuart Hastings <stuart@apple.com>
4193 * config/i386/i386.opt (-mstackrealign): New flag.
4194 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4195 (ix86_handle_cconv_attribute): Emit error when
4196 force_align_arg_pointer attribute collides with too many regparms.
4197 (ix86_function_regparm): Limit regparms when used with
4198 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4199 Support stack-realigning prologue in non-main functions. Emit
4200 warning for nested functions under -mstackrealign, emit error for
4201 nested functions with force_align_arg_pointer attribute.
4202 * doc/extend.texi (force_align_arg_pointer): Document it.
4203 * doc/invoke.texi (-mstackrealign): Document it.
4205 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4207 PR rtl-optimization/27477
4208 * combine.c (try_combine): Don't split a parallel consisting
4209 of two sets into two individual sets if both sets reference
4212 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4214 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4215 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4217 * doc/options.texi (VarExists): Updated.
4219 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4221 * unwind-dw2.c: Add declarations for uw_update_context and
4223 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4224 detected, advance frame state and context once to skip over stub.
4226 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4230 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4231 Call rewrite_into_loop_closed_ssa only when something changed.
4232 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4233 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4234 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4235 Test for perfect_nest_p here. Fix formating.
4236 (replace_uses_equiv_to_x_with_y): Fix formating.
4237 (stmt_uses_op): Removed.
4238 (can_convert_to_perfect_nest): Removed loopivs parameter.
4239 Complete the test by checking the scalar dependences.
4240 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4243 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4246 From Dan Kegel <dank@kegel.com>:
4247 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4249 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4251 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4252 if the element type is variably modified without recursing.
4254 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4257 * tree-loop-linear.c (try_interchange_loops): Test for
4258 no data dependences.
4260 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4262 PR tree-optimization/27548
4263 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4264 range of ssa names that appear on abnormal edges.
4265 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4266 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4268 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4271 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4273 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4276 * tree.h (OMP_PARALLEL_COMBINED): Define.
4277 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4278 (new_omp_context): Add is_combined_parallel argument.
4279 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4280 new_omp_context caller.
4281 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4282 Adjust gimplify_scan_omp_clauses callers.
4283 (omp_is_private): Issue errors if iteration variable is firstprivate
4284 or reduction in the current context.
4285 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4286 on combined parallel workshare constructs.
4288 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4290 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4291 (gcc-options.o): New rule.
4293 * optc-gen.awk: Protect variables for gcc-options.o with
4294 #ifdef GCC_DRIVER/#endif.
4296 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4298 Fix PR tree-optimization/27373
4299 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4300 (forward_propagate_addr_expr): Update call.
4302 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4304 * doc/options.texi: Move the Negative option.
4306 2006-05-16 Richard Guenther <rguenther@suse.de>
4308 PR tree-optimization/22303
4309 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4311 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4312 ccp_fold did not simplify the statement.
4314 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4317 * Makefile.in (GCC_OBJS): New.
4318 (OBJS-common): Add opts-common.o.
4319 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4320 (cpp$(exeext)): Likewise.
4321 (gcc.o): Also depend on opts.h.
4322 (opts-common.o): New.
4324 * common.opt (gcoff): Add Negative(gdwarf-2).
4325 (gdwarf-2): Add Negative(gstabs).
4326 (gstabs): Add Negative(gstabs+).
4327 (gstabs+): Add Negative(gvms).
4328 (gvms): Add Negative(gxcoff).
4329 (gxcoff): Add Negative(gxcoff+).
4330 (gxcoff+): Add Negative(gcoff).
4331 * config/i386/i386.opt (m32): Add Negative(m64).
4332 (m64): Add Negative(m32).
4334 * doc/options.texi: Document the Negative option.
4336 * gcc.c: Include "opts.h".
4337 (main): Call prune_options after expandargv.
4339 * optc-gen.awk: Generate common declarations for all flag
4340 variables in options.c. Output the neg_index field.
4342 * opts.c (find_opt): Moved to ...
4343 * opts-common.c: Here. New file.
4345 * opts.h (cl_option): Add a neg_index field.
4347 (prune_options): Likewise.
4349 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4352 * omp-low.c (expand_omp_parallel): Don't assert
4353 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4354 instead search for it.
4357 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4360 2006-05-16 Andreas Schwab <schwab@suse.de>
4362 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4365 2006-05-15 Roger Sayle <roger@eyesopen.com>
4368 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4369 integer constants other than zero are only legitimate on TARGET_64BIT.
4370 <CONST_VECTOR> Only zero vectors are legitimate.
4371 (ix86_cannot_force_const_mem): Integral and vector constants can
4372 always be put in the constant pool.
4374 2006-05-16 DJ Delorie <dj@redhat.com>
4376 * crtstuff.c (__dso_handle): Set section from
4377 TARGET_LBIGCC_SDATA_SECTION if defined.
4378 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4379 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4381 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4384 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4387 2006-05-16 Ben Elliston <bje@au.ibm.com>
4389 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4391 2006-05-15 Per Bothner <per@bothner.com>
4393 * tree.c: (last_annotated_node): Use source_locus typedef.
4394 This permits bootstrapping with --enable-mapped-location.
4396 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4398 PR tree-optimization/26830
4399 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4400 (info_for_ssa_name, current_info_for_ssa_name_age,
4401 blocks_to_update): New variables.
4402 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4403 (clear_ssa_name_info, initialize_flags_in_bb,
4404 mark_block_for_update): New functions.
4405 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4406 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4407 prepare_def_site_for): Use mark_block_for_update.
4408 (mark_def_interesting): Assert that the processed block is marked in
4409 blocks_to_update. Do not take blocks argument.
4410 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4412 (rewrite_update_init_block, rewrite_update_stmt): Only process
4413 blocks with statements to rewrite.
4414 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4415 (update_ssa): Initialize and free blocks_to_update. Do not
4416 clear flags on statements. Do not use blocks bitmap.
4417 * tree.h (SSA_NAME_AUX): Removed.
4418 (struct tree_ssa_name): Removed aux field.
4419 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4421 2006-05-15 Richard Guenther <rguenther@suse.de>
4423 PR tree-optimization/27603
4424 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4425 Do computations in original type.
4427 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4429 * see.c: Code style changes such as redundant paranthesis,
4430 redundant intialization of local variables etc.
4431 (see_main): Declared now as static.
4432 * doc/invoke.texi: Update that -fsee is not enabled by
4435 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4437 * omp-low.c (check_omp_nesting_restrictions): New function.
4438 (scan_omp_1): Call it.
4441 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4442 construct, return *VAR.
4444 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4446 PR rtl-optimization/27406
4447 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4450 2006-05-14 Roger Sayle <roger@eyesopen.com>
4452 PR rtl-optimization/27538
4453 * combine.c (expand_compound_operation): Call gen_lowpart
4454 before calling simplify_shift_const.
4456 2006-05-14 Roger Sayle <roger@eyesopen.com>
4458 PR rtl-optimization/22563
4459 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4460 a fixed width bitfield, always force the intermediates into psuedos.
4462 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4465 * mkconfig.sh: Use operator = instead of == for test.
4467 2006-05-13 Nick Clifton <nickc@redhat.com>
4469 * dwarf2out.c (dbx_reg_number): Check return value from
4470 LEAF_REG_REMAP and only use it if it is valid.
4471 (multiple_reg_loc_descriptor): Likewise.
4473 2006-05-13 Richard Guenther <rguenther@suse.de>
4475 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4478 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4480 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4481 information attached to non-INSNs such as NOTEs.
4482 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4484 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4486 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4488 * config/s390/s390.md: Adjust comment describing On constraint.
4490 2006-05-11 Jan Hubicka <jh@suse.cz>
4492 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4493 to be output at -O0.
4495 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4498 * fold-const.c (size_binop): Move sanity check for arguments to
4499 the beginning of the function.
4502 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4505 2006-05-11 Richard Guenther <rguenther@suse.de>
4508 * fold-const.c (fold_unary): Handle intermediate conversion
4509 to a pointer type like intermediate conversion to an integer
4510 type in folding of (T1)(T2)var to var.
4511 Match the code to the comment in the final conversion for
4512 (T1)(T2)var to (T1)var regarding to type precision. Rather
4513 than disallow T1 being of pointer type, assert that both T1
4514 and var are of pointer type or not. Make sure not to fall
4515 over the frontends lazyness wrt array to pointer decay though.
4517 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4519 * arm.c (arm_struct_value_rtx): Delete.
4520 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4521 (arm_init_cumulative_args): Always initialize nregs to zero.
4523 2006-05-10 Richard Guenther <rguenther@suse.de>
4525 PR tree-optimization/27532
4526 * tree-object-size.c (plus_expr_object_size): Fix typo.
4528 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4531 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4532 ashrdi_const, ashrdi3): Use a scratch register.
4534 2006-05-10 Richard Guenther <rguenther@suse.de>
4536 PR tree-optimization/27302
4537 * fold-const.c (operand_equal_p): For two comparisons,
4538 try comparison of one comparison code swapped if that yields
4541 2006-05-10 Ben Elliston <bje@au.ibm.com>
4543 * tree-pretty-print.c (pretty_print_string): No need to handle
4544 '\0' as a special character.
4546 * tree.h: Include "hashtab.h".
4547 (iterative_hash_expr): Use hashval_t in its prototype.
4548 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4550 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4553 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4554 (hppa*64*-*-hpux11*): Ditto.
4555 (hppa[12]*-*-hpux11*): Ditto.
4557 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4560 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4562 2006-05-09 Michael Matz <matz@suse.de>
4564 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4565 host_extra_gcc_objs and host_xmake_file.
4566 (<*-*-linux*>): Don't overwrite host_xmake_file.
4567 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4568 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4569 (host_detect_local_cpu): Declare.
4570 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4571 * config/i386/i386.c (override_options): Handle -mtune=native
4573 * config/i386/x-i386: New file.
4574 * config/i386/driver-i386.c: New file.
4575 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4578 2006-05-09 Dirk Mueller <dmueller@suse.de>
4579 Richard Guenther <rguenther@suse.de>
4582 * fold-const.c (fold_read_from_constant_string): Relax check
4583 for matching types to matching modes.
4585 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4587 PR rtl-optimization/27335
4588 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4591 2006-05-08 Chao-ying Fu <fu@mips.com>
4592 Richard Sandiford <richard@codesourcery.com>
4594 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4595 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4596 * config/mips/mips.md (UNSPEC_SCC): New constant.
4597 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4598 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4599 (mips_emit_compare): Use it.
4600 (mips_expand_vcondv2sf): New function.
4602 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4604 Fix PR tree-optimization/27093
4605 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4606 renaming when they become not-used_alone.
4608 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4610 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4611 relocation and relocation stubs.
4613 2006-05-08 Eric Christopher <echristo@apple.com>
4615 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4618 2006-05-08 Jan Hubicka <jh@suse.cz>
4621 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4622 unused static functions are needed.
4624 2006-05-08 Roger Sayle <roger@eyesopen.com>
4627 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4628 of a reg_equiv_constant if the result is a legitimate constant.
4630 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4633 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4634 standard 80387 constants, raise the cost to prevent
4635 compress_float_constant() to generate load from memory.
4637 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4639 * config/arm/constraints.md (c): Fix a typo.
4641 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4644 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4647 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4649 (_mm_mwait): Likewise.
4651 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4653 (sse3_monitor): Make it 32bit only.
4654 (sse3_monitor64): New. 64bit monitor.
4656 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4659 * config/i386/i386.c (classify_argument): Skip fields with invalid
4662 2006-05-07 Richard Guenther <rguenther@suse.de>
4664 PR tree-optimization/27409
4665 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4666 Do not try to find zero-sized subvars.
4668 2006-05-07 Richard Guenther <rguenther@suse.de>
4670 PR tree-optimization/27136
4671 * tree-ssa-loop-niter.c (get_val_for): Correct function
4672 comment, assert requirements.
4673 (loop_niter_by_eval): Stop processing if the iterated
4674 value did not simplify.
4676 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4678 * opts.c (flag_see): remove its setting at -O3.
4680 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4682 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4683 * arm/constraints.md: New file.
4684 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4685 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4686 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4687 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4688 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4689 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4690 * arm.md: Include constraints.md.
4691 (thumb_movsi_insn): Use satisfies_constraint_J.
4692 (movhi, movqi): Use satisfies_constraint_I.
4694 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4696 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4697 for atmeg a645 device.
4699 2006-05-06 Richard Guenther <rguenther@suse.de>
4701 PR tree-optimization/27151
4702 * tree-vect-transform.c (vectorizable_condition): Punt on
4703 values that have a different type than the condition.
4705 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4708 * c-parser.c (c_parser_cast_expression): Only insert casts into
4709 hash table if pointer.
4710 * function.c (used_types_insert_helper): Rename from
4712 (used_types_insert): Call used_types_insert_helper.
4713 * function.h (used_types_insert): Accept only one argument.
4715 2006-05-05 David Edelsohn <edesohn@gnu.org>
4717 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4718 scratch with output modifier.
4720 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4723 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4724 with output modifier.
4726 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4729 * config/mips/mips.c (mips_symbolic_address_p): Return true
4730 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4731 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4733 2006-05-04 Richard Guenther <rguenther@suse.de>
4735 PR tree-optimization/14287
4736 PR tree-optimization/14844
4737 PR tree-optimization/19792
4738 PR tree-optimization/21608
4739 PR tree-optimization/27090
4740 * tree-ssa-pre.c (try_combine_conversion): New function.
4741 (compute_avail): After constructing the value-handle
4742 expression, use try_combine_conversion to combine NOP_EXPRs
4743 with previous value-handle expressions and use the result if it
4746 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4748 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4750 2006-05-04 Jan Hubicka <jh@suse.cz>
4753 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4755 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4757 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4758 that this only matches CONST_INTs. All users changed to VOIDmode
4761 * config/bfin/bfin.c: Include "optabs.h".
4762 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4764 (enum bfin_builtins): Add a number of fractional and vector builtins.
4765 (bfin_init_builtins): Likewise.
4766 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4767 (safe_vector_operand, bfin_expand_binop_builtin,
4768 bfin_expand_unop_builtin): New functions.
4769 (bfin_expand_builtin): Handle the new builtins.
4770 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4773 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4776 * Makefile.in (OBJS-common): Add see.o.
4777 (see.o): Add dependencies.
4778 * common.opt (fsee): New flag for the see optimization was added.
4779 * opts.c (flag_see): Initialized.
4780 * passes.c (init_optimization_passes, pass_see): New pass.
4781 * rtl.h (see_main): Declaration as extern.
4782 * timevar.def (TV_SEE): New.
4783 * tree-pass.h (pass_see): Declaration as extern.
4784 * invoke.texi (-fsee): Document.
4785 * recog.c (validate_simplify_insn): New function.
4786 * recog.h (validate_simplify_insn): Declaration as extern.
4787 * df-problems.c (df_chain_dump): Check for NULL.
4789 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4790 Daniel Berlin <dberlin@dberlin.org>
4792 * cfgrtl.c (insert_insn_bb_end_new): New function.
4793 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4795 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4797 * df.h (struct web_entry): Moved from web.c.
4798 (union_defs): Declaration as extern.
4799 (unionfind_root): Likewise.
4800 (unionfind_union): Likewise.
4801 * web.c (struct web_entry): Moved to df.h.
4802 (unionfind_root): Remove static declaration.
4803 (unionfind_union): Likewise.
4804 (union_defs): Likewise and generalize to use callback function.
4805 (web_main): Update arguments for union_defs function call.
4807 2006-05-04 Richard Guenther <rguenther@suse.de>
4809 PR tree-optimization/26447
4810 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4811 produce SSA_NAME copies before the store stmt to avoid
4812 breaking exception handling.
4814 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4817 * gimplify.c (omp_is_private): If var is shared in some outer context,
4818 return false instead of true. Stop searching on parallel context
4821 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4824 * coverage.c: Use get_gcov_unsigned_t() instead of
4825 unsigned_type_node all over.
4827 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4829 PR tree-optimization/27381
4830 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4831 maintain the same immediate_use links.
4832 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4833 node rather than segfaulting.
4835 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4838 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4839 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4840 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4842 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4844 Fix PR tree-optimization/26626
4845 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4847 * tree-ssa-operands.c (access_can_touch_variable): Allow
4848 typecasting through union pointers.
4850 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4853 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4854 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4855 to find if var will be a global variable even in the nested context.
4856 (omp_copy_decl): Only check for global variable at the end, it might
4857 be overridden in outer contexts.
4858 (scan_sharing_clauses): For global variables don't create a field.
4859 (lower_rec_input_clauses): Do nothing for global shared variables.
4860 Emit a barrier at the end of ILIST if there were any decls in both
4861 firstprivate and lastprivate clauses.
4862 (lower_send_clauses): Do nothing for global variables except for
4865 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4867 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4868 of the correct signedness is returned.
4870 2006-05-02 Jeff Law <law@redhat.com>
4872 PR tree-optimization/27364
4873 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4874 multiply expressions.
4876 2006-05-02 Tom Tromey <tromey@redhat.com>
4878 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4880 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4883 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4884 -mthumb -fPIC are used.
4886 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4887 Joshua Kinard <kumba@gentoo.org>
4890 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4891 with 64-bit pointers.
4893 2006-05-02 Paul Brook <paul@codesourcery.com>
4895 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4897 (create_fix_barrier): Check that a suitable barrier location is
4899 (arm_reorg): Include ftmp->address in allowable range of addresses.
4901 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4904 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4907 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4910 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4911 around RESULT_DECL for result passed by reference.
4912 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4913 * omp-low.c (use_pointer_for_field): Don't look at
4914 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4915 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4916 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4917 time or var for passing by reference for
4918 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4919 TREE_ADDRESSABLE variables when passing by reference.
4921 * omp-low.c (dump_omp_region): Fix output formatting.
4924 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4925 (expand_omp_parallel): Likewise.
4926 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4929 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4930 on statement list containing also constructors and destructors.
4931 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4934 * except.c (duplicate_eh_regions): Fix clearing of
4935 cfun->eh->region_array entries.
4937 2006-05-01 DJ Delorie <dj@redhat.com>
4939 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4941 (gcc_cv_objdump): Likewise.
4942 * configure: Regenerated.
4944 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4947 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4948 templates for case 3 and 4.
4950 2006-05-01 DJ Delorie <dj@redhat.com>
4952 * vec.c: Include bconfig.h when appropriate.
4953 * Makefile.in (build/vec.o): Adjust dependencies.
4954 * mkconfig.sh: Make sure config.h isn't used for build machine
4957 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4959 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4961 (mark_phi_for_rewrite): New function.
4962 (insert_phi_nodes_for, mark_use_interesting): Call
4963 mark_phi_for_rewrite.
4964 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4965 (update_ssa): Initialize and free phis_to_rewrite.
4967 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4969 PR rtl-optimization/27291
4970 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4971 folded to a constant.
4973 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4975 PR tree-optimization/27283
4976 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4977 not whole # of iteration descriptions.
4978 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4979 uses abnormal ssa name.
4980 (niter_for_single_dom_exit): Ditto.
4981 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4982 return just the number of iterations.
4984 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4986 PR tree-optimization/27144
4987 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4988 (record_estimate): Only record constant upper bound.
4989 (infer_loop_bounds_from_undefined): Call
4990 compute_estimated_nb_iterations just once.
4991 (proved_non_wrapping_p): Renamed to ...
4992 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4993 (convert_step_widening, scev_probably_wraps_p): Call
4994 n_of_executions_at_most instead of proved_non_wrapping_p.
4995 (substitute_in_loop_info): Do not replace values in bounds.
4996 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4999 2006-05-01 Richard Henderson <rth@redhat.com>
5002 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5003 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5006 2006-05-01 Roger Sayle <roger@eyesopen.com>
5008 * c-typeck.c (parser_build_binary_op): Don't call the function
5009 unsigned_conversion_warning to spot operand/result type overflow.
5010 (build_binary_op): Instead, call convert_and_check instead of
5011 convert to report the problem when the operands are promoted.
5012 * c-common.c (unsigned_conversion_warning): Make static.
5013 * c-common.h (unsigned_conversion_warning): Delete prototype.
5015 2006-05-01 Richard Guenther <rguenther@suse.de>
5017 PR tree-optimization/26726
5018 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5020 (find_interesting_uses_address): ... we work around here
5021 by folding INDIRECT_REFs in the substituted base.
5023 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5025 * omp-low.c (dump_omp_region): Add newlines.
5027 2006-04-30 Roger Sayle <roger@eyesopen.com>
5029 * common.opt (Woverflow): New command line option.
5030 * c-common.c (constant_expression_warning): Check warn_overflow.
5031 (overflow_waring): Pass OPT_Woverflow to warning.
5032 (unsigned_conversion_warning): Likewise.
5033 (convert_and_check): Likewise.
5034 * doc/invoke.texi: Document new command line option.
5036 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5038 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5039 TARGET_NO_FP_IN_TOC for section anchors.
5040 (optimization_options): Enable section anchors for all
5041 non-"Objective" languages.
5043 2006-04-28 Eric Christopher <echristo@apple.com>
5045 * config/darwin-c.c (darwin_ms_struct): Move this
5046 (darwin_set_default_type_attributes): and this...
5047 * config/darwin.c: ... here.
5048 * config/darwin.h (darwin_ms_struct): Declare.
5050 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5052 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5054 2006-04-28 Roger Sayle <roger@eyesopen.com>
5057 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5058 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5059 an unsigned HOST_WIDE_INT.
5060 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5062 (really_start_incremental_init): No need to call convert because
5063 bitsize_zero_node is already of type bitsizetype.
5064 (push_init_level): Extract the value of constructor_index as an
5065 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5066 (process_init_element): Likewise.
5068 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5070 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5071 value before passing to make_relative_prefix.
5073 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5076 * builtins.c (expand_builtin_memset): Expand val in original mode.
5078 2006-04-27 Eric Christopher <echristo@apple.com>
5080 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5081 with #ifndef/#endif.
5082 * config/darwin-c.c (darwin_ms_struct): New.
5083 (darwin_pragma_ms_struct): Ditto.
5084 (darwin_set_default_type_attributes): Ditto.
5085 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5086 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5087 Register ms_struct pragma.
5088 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5089 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5090 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5091 darwin_set_default_type_attributes if TARGET_MACHO.
5093 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5095 PR tree-optimization/26854
5096 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5097 * doc/tree-ssa.texi: Update immuse iterator documentation.
5098 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5099 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5100 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5101 first_safe_imm_use, next_safe_imm_use): Remove.
5102 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5103 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5104 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5105 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5106 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5107 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5108 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5109 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5110 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5111 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5112 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5113 (perfect_nestify): Use new iterator.
5114 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5116 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5117 (next_imm_name): New field in struct immediate_use_iterator_d.
5118 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5119 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5120 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5121 * tree-cfg.c (replace_uses_by): Use new iterator.
5122 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5123 * tree-ssa-operands.c (correct_use_link): Remove.
5124 (finalize_ssa_use_ops): No longer call correct_use_link.
5126 2006-04-27 Stuart Hastings <stuart@apple.com>
5128 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5129 * config/t-darwin (crt3.o): Use it.
5130 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5131 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5132 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5133 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5134 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5137 2006-04-27 Roger Sayle <roger@eyesopen.com>
5139 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5140 size, force the intermediate into a new pseudo rather instead of
5141 performing both a bitwise AND and a bitwise IOR in memory.
5143 2006-04-27 Richard Guenther <rguenther@suse.de>
5145 PR rtl-optimization/26685
5146 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5147 this one "max-flow-memory-locations".
5149 2006-04-27 Richard Guenther <rguenther@suse.de>
5151 PR tree-optimization/25148
5152 * tree-vrp.c (compare_values): Remove code dealing with
5153 comparisons against type min/max value. Honour overflow
5154 and negative constants in code dealing with comparisons
5155 of plus and minus expressions.
5156 (value_inside_range): Use fold_binary with LE_EXPR and
5157 GE_EXPR rather than compare_values.
5159 2006-04-27 Dirk Mueller <dmueller@suse.de>
5161 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5164 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5166 * basic-block.h (safe_insert_insn_on_edge): Removed.
5167 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5169 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5170 Paolo Bonzini <bonzini@gnu.org>
5173 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5174 (simplify_and_const_int): Same.
5176 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5178 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5180 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5183 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5184 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5185 cgraph_global_info_ready.
5188 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5191 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5192 either decl or init is error_mark_node.
5195 * tree-flow.h (struct omp_region): Add sched_kind.
5196 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5197 instead of extracting omp for data.
5198 (expand_omp_for): Save extracted sched_kind.
5200 2006-04-25 Roger Sayle <roger@eyesopen.com>
5202 * expmed.c (store_bit_field): Also check whether the bitsize is
5203 valid for the machine's "insv" instruction before moving the
5204 target into a pseudo for use with the insv.
5205 * config/i386/predicates.md (const8_operand): New predicate.
5206 * config/i386/i386.md (extv, extzv, insv): Use the new
5207 const8_operand predicate where appropriate.
5209 2006-04-25 DJ Delorie <dj@redhat.com>
5211 * doc/install.texi (Specific): Clarify that this is not a list of
5212 supported hosts or targets.
5214 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5216 PR rtl-optimization/26725
5217 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5218 block's BB_DIRTY flag.
5220 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5222 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5225 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5226 to print an integer.
5228 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5230 * varasm.c (align_variable): New function.
5231 (get_block_for_decl): Apply align_variable to DECL before
5232 calculating section information.
5233 (assemble_variable): Split out alignment computation.
5235 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5237 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5240 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5242 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5243 MODE_PARTIAL_INT mode.
5244 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5245 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5247 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5248 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5250 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5252 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5254 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5255 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5256 MACFLAG_IH): Likewise.
5257 (movstricthi_1): Renamed from "*movstricthi".
5258 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5259 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5260 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5261 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5262 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5263 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5264 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5265 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5266 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5267 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5268 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5269 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5270 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5271 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5272 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5274 * doc/rtl.texi (ss_ashift): Improve wording.
5276 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5278 * dwarf2out.c (verify_marks_clear): New.
5279 (prune_unused_types): Call verify_marks_clear initially, not
5282 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5284 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5285 * doc/rtl.texi: Document them.
5286 * simplify-rtx.c (simplify_unary_operation,
5287 simplify_binary_operation_1): Don't abort when we see them.
5289 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5292 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5293 * configure.ac: Completely disregard languages that are not
5295 * configure: Regenerated.
5297 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5298 Richard Guenther <rguenther@suse.de>
5300 PR tree-optimization/27236
5301 * tree-inline.c (copy_body_r): Make sure to copy
5302 TREE_THIS_VOLATILE flag.
5304 2006-04-24 Richard Guenther <rguenther@suse.de>
5307 * tree-complex.c (update_parameter_components): Don't handle
5308 unused parameters which have no default def.
5310 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5311 Richard Guenther <rguenther@suse.de>
5313 PR tree-optimization/27218
5314 * tree-inline.c (expand_call_inline): Strip useless type
5315 conversions for the return slot address.
5317 2006-04-24 Richard Guenther <rguenther@suse.de>
5319 * cfgloop.h (struct loops): Remove unused field array. Reorder
5321 (LOOP_PREFETCH): Remove.
5323 2006-04-24 Richard Guenther <rguenther@suse.de>
5325 PR tree-optimization/22525
5326 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5327 variable, adjust types of generated expressions.
5329 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5331 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5332 (tree-vect-patterns.o): Likewise.
5334 (cselib.o): Likewise.
5335 (loop-doloop.o): Likewise.
5336 (regclass.o): Likewise.
5337 (reload1.o): Likewise.
5338 (explow.o): Replace target.h with $(TARGET_H).
5339 (ipa-prop.o): Likewise.
5340 (ipa-cp.o): Likewise.
5341 (ipa-inline.o): Likewise.
5342 (reorg.o): Likewise.
5343 (reg-stack.o): Likewise.
5345 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5347 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5349 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5351 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5353 * configure.ac: Completely disregard languages that are not
5355 * configure: Regenerated.
5358 * c-common.h (c_build_bitfield_integer_type): Declare.
5359 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5360 * c-common.c (c_build_bitfield_integer_type): ... here.
5362 2006-04-23 Roger Sayle <roger@eyesopen.com>
5365 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5366 a SImode SUBREG of a floating point register after no_new_pseudos.
5368 2006-04-23 Roger Sayle <roger@eyesopen.com>
5370 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5371 identify potentially eliminable registers to additionally catch
5372 VIRTUAL_INCOMING_ARGS_REGNUM.
5373 (addsi3): Update the conditions on when to use addsi_small_int.
5375 2006-04-23 Roger Sayle <roger@eyesopen.com>
5378 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5379 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5380 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5382 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5384 * fold-const.c (range_predecessor): Use operand_equal_p
5385 as the predicate for equality.
5386 (range_successor): Likewise.
5388 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5391 * config/soft-fp/op-common.h: Fix a typo.
5393 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5396 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5397 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5399 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5401 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5403 * doc/tm.texi: Fix a typo.
5405 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5407 * dwarf2out.c (struct die_struct): Document that die_sib makes
5408 a circular linked list.
5409 (FOR_EACH_CHILD): New.
5410 (reverse_die_lists): Delete.
5411 (reverse_all_dies): Delete.
5412 (add_dwarf_attr): Correct documentation.
5413 (remove_child_with_prev): New.
5414 (remove_child_TAG): Update for change to die_struct, use
5415 remove_child_with_prev.
5416 (add_child_die): Update for change to die_struct.
5417 (splice_child_die): Use remove_child_with_prev and add_child_die.
5418 (print_die): Use FOR_EACH_CHILD.
5419 (die_checksum): Likewise.
5420 (assign_symbol_names): Likewise.
5421 (output_location_lists): Likewise.
5422 (build_abbrev_table): Likewise.
5423 (calc_die_sizes): Likewise.
5424 (mark_dies): Likewise.
5425 (unmark_dies): Likewise.
5426 (unmark_all_dies): Likewise.
5427 (output_die): Likewise.
5428 (prune_unused_types_mark): Likewise.
5429 (prune_unused_types_walk): Likewise.
5430 (same_die_p): Update for change to die_struct.
5431 (break_out_includes): Likewise.
5432 (prune_unused_types_prune): Likewise.
5433 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5434 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5436 (dwarf2out_finish): Don't call reverse_all_dies.
5438 2006-04-21 Eric Christopher <echristo@apple.com>
5440 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5441 in comments and function names.
5443 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5446 * c-typeck.c (digest_init): Robustify.
5448 * c-typeck.c (pop_init_level): Simplify.
5450 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5452 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5454 2006-04-21 Paul Brook <paul@codesourcery.com>
5456 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5457 hardware floating point.
5459 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5461 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5464 2006-04-21 Nick Clifton <nickc@redhat.com>
5466 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5469 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5472 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5473 C++ lang type in traceback table for Objective-C++.
5475 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5477 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5479 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5481 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5484 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5485 were errors. Remove check for erroneous objects.
5487 2006-04-20 Jeff Law <law@redhat.com>
5489 PR tree-optimization/26854
5490 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5491 checking for zero or one use.
5492 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5493 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5494 * tree-ssa-reassoc.c (negate_value): Similarly.
5495 (reassociate_bb): Similarly.
5497 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5499 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5500 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5501 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5503 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5505 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5506 fp regs if the last fp arg doesn't fit in regs.
5508 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5511 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5512 that the last insn has the REG_INC note.
5514 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5515 Nathan Sidwell <nathan@codesourcery.com>
5518 * stor-layout.c (update_alignment_for_field): Do not align
5520 (place_union_field): Place union field at the start of the union.
5521 (place_field): Move ERROR_MARK check later, and use the current
5522 allocation position to maintain monotonicity.
5524 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5526 * dominance.c: Include timevar.h.
5527 (calculate_dominance_info): Use TV_DOMINANCE.
5528 * timevar.def (TV_DOMINANCE): New timevar.
5529 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5531 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5533 PR rtl-optimization/14261
5534 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5535 move would be an INSV insn.
5536 (noce_process_if_block): Don't optimize if the destination is a
5537 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5539 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5541 * config/s390/s390.md: Add comments with the instructions emitted
5542 by an insn pattern if macros are used.
5544 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5546 PR rtl-optimization/26026
5547 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5548 is a known power of two shifted left a variable amount.
5550 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5552 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5553 to hash table twice when the debug_str section has SECTION_MERGE.
5555 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5557 * config/soft-fp: New directory. From glibc.
5558 * config/soft-fp/t-softfp: New.
5559 * config/soft-fp/README: New.
5560 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5561 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5562 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5563 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5564 * config.gcc: Use rs6000/t-fprules-fpbit or
5565 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5567 * config/rs6000/sfp-machine.h: New. Based on glibc.
5568 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5570 * config/rs6000/t-fprules: Remove fp-bit rules.
5571 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5572 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5573 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5574 (softfp_wrap_start, softfp_wrap_end): New.
5576 2006-04-18 DJ Delorie <dj@redhat.com>
5578 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5580 2006-04-18 Devang Patel <dpatel@apple.com>
5582 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5584 2006-04-18 Nick Clifton <nickc@redhat.com>
5586 * config/sh/t-symbian: Add rule to build sh-c.o
5587 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5588 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5589 (sh_symbian_encode_section_info): Likewise.
5591 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5593 * builtins.c (expand_builtin_strcmp): Cover label definition of
5594 do_libcall with HAVE_cmpstrnsi.
5596 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5598 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5600 * function.h (temp_slot_p): New.
5601 (function): Change the type of x_used_temp_slots to
5602 VEC(temp_slot_p,gc) *.
5604 2006-04-18 Nick Clifton <nickc@redhat.com>
5606 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5607 flag_strength_reduce.
5609 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5611 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5615 Partial revert of revision 112637
5616 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5617 Dale Johannesen <dalej@apple.com>
5620 * regclass.c (struct reg_pref): Update documentation.
5621 (regclass): Set prefclass to NO_REGS if memory is the best option.
5622 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5624 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5626 PR tree-optimization/26821
5627 * tree-ssa-math-opts.c (get_constant_one): New.
5628 (insert_reciprocals): Use it.
5630 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5632 * dwarf2out.c (free_AT): Delete.
5633 (remove_AT): Update string ref counts.
5634 (remove_child_TAG): Don't call free_die.
5636 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5637 or DW_TAG_GNU_EINCL.
5638 (prune_unused_types_walk_attribs): Reset string refcounts.
5639 (prune_unused_types_update_strings): New.
5640 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5641 call free_die. Do call prune_unused_types_update_strings.
5642 (prune_unused_types): Empty debug_str_hash.
5644 2006-04-17 Roger Sayle <roger@eyesopen.com>
5646 * expr.c (expand_assignment): Optimize away no-op moves where the
5647 source and destination are equal and have no side-effects.
5649 2006-04-17 Richard Guenther <rguenther@suse.de>
5652 * reload.c (push_reload): Guard calls to get_secondary_mem
5655 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5657 * alias.c (reg_base_value, old_reg_base_value): Change the
5658 type to VEC(rtx,gc) *.
5659 (REG_BASE_VALUE, find_base_value, record_set,
5660 init_alias_analysis): Use VEC instead of VARRAY.
5662 * alias.c (alias_sets): Change the type to
5663 VEC(alias_set_entry,gc) *.
5664 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5665 VEC instead of VARRAY.
5666 (last_alias_set): Remove.
5668 * cgraph.h (cgraph_edge_p): New.
5669 Update the prototype of cgraph_function_versioning.
5670 * cgraphunit.c (cgraph_copy_node_for_versioning,
5671 cgraph_function_versioning): Use VEC instead of VARRAY.
5672 * ipa-cp.c (ipcp_insert_stage): Likewise.
5674 2006-04-16 Roger Sayle <roger@eyesopen.com>
5677 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5678 "A op B" or "A op C", we may need to convert A to the type of B and C.
5680 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5682 * target.h (struct gcc_target): Add mode_rep_extended.
5683 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5684 (init_num_sign_bit_copies_in_rep): Initialize it using
5686 (truncate_to_mode): Use it.
5687 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5688 * targhooks.h (default_mode_rep_extended): Declare it.
5689 * targhooks.c (default_mode_rep_extended): Define it.
5690 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5691 default_mode_rep_extended.
5692 (TARGET_INITIALIZER): Include it.
5693 * doc/tm.texi (Misc): Document it.
5694 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5695 (mips_truncated_to_mode): New function.
5697 2006-04-16 Roger Sayle <roger@eyesopen.com>
5700 * expr.c (compress_float_constant): Copy the narrow constant into
5701 a new pseudo before extending it to its final width.
5703 2006-04-16 Roger Sayle <roger@eyesopen.com>
5704 Andrew Pinski <pinskia@gcc.gnu.org>
5705 Dale Johannesen <dalej@apple.com>
5708 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5709 special case code to implement V8HImode and V16QImode with SSE2.
5711 2006-04-15 Roger Sayle <roger@eyesopen.com>
5713 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5714 trees are constructed with a suitable tree type.
5716 2006-04-15 Roger Sayle <roger@eyesopen.com>
5718 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5719 (integer_onep): Likewise.
5720 (integer_all_onesp): Likewise.
5721 (integer_pow2p): Likewise.
5722 (integer_nonzerop): Likewise.
5723 (real_zerop): Likewise.
5724 (real_onep): Likewise.
5725 (real_twop): Likewise.
5726 (real_minus_onep): Likewise.
5727 (int_size_in_bytes): Likewise.
5728 (host_integerp): Likewise.
5730 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5732 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5733 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5734 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5736 * tree-ssa-structalias.h (alias_info): Remove num_references.
5738 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5740 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5741 (output_bvb patterns): Likewise.
5742 * pa.c (output_bb): Use 'bb' insn for long branch case.
5743 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5744 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5745 1. Correct length operand for alternatives 1 and 2.
5746 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5747 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5749 2006-04-14 Roger Sayle <roger@eyesopen.com>
5751 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5752 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5753 were accidentally reverted by r112959.
5755 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5758 * except.h (eh_region_outermost): New prototype.
5759 * except.c (eh_region_outermost): New function.
5760 * tree-cfg.c (find_outermost_region_in_block): Use it.
5762 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5764 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5766 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5767 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5768 (init_reload, reload): Use VEC instead of VARRAY.
5769 * reload.h: Update the prototype for
5770 reg_equiv_memory_loc_varray.
5772 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5773 Eric Botcazou <ebotcazou@libertysurf.fr>
5775 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5778 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5781 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5782 to expand fallback builtin function call.
5784 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5787 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5788 and emit libcall here in case the builtin fails.
5789 (expand_builtin_strcmp): Always emit the libcall here on failure.
5791 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5793 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5794 * flow.c (reg_n_info): Change the type to
5795 VEC(reg_info_p,heap) *.
5796 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5798 * regs.h (reg_info_p): New.
5799 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5800 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5801 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5804 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5806 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5808 * params.h (MAX_SCHED_READY_INSNS): New macro.
5809 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5810 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5811 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5812 the ready list for 1 cycle during the first scheduling pass.
5813 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5815 2006-04-13 Richard Henderson <rth@redhat.com>
5818 * gimple-low.c (lower_omp_directive): Remove dead code.
5819 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5820 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5821 * omp-low.c (struct omp_region): Move to tree-flow.h.
5822 (root_omp_region): Export.
5823 (omp_regions, lookup_omp_region): Remove.
5824 (determine_parallel_type): Update for struct omp_region changes.
5825 (dump_omp_region): Dump regions with block numbers.
5826 (new_omp_region): Take type and block instead of stmt; malloc
5828 (free_omp_region_1, free_omp_regions): New.
5829 (expand_parallel_call): Take entry_stmt as argument; update for
5830 changes to omp_region.
5831 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5832 (remove_exit_barriers): New.
5833 (expand_omp_parallel): Update for struct omp_region changes.
5834 (expand_omp_synch): Likewise.
5835 (expand_omp): Likewise.
5836 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5837 (expand_omp_for_static_chunk): Likewise.
5838 (expand_omp_for): Likewise.
5839 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5840 (expand_omp_sections): Similarly, with GOMP_sections_end.
5841 (expand_omp_single): New.
5842 (build_omp_regions_1): Update for OMP_CONTINUE.
5843 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5844 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5845 OMP_SECTIONS_SECTIONS.
5846 (lower_omp_single_simple): Don't emit barrier here.
5847 (lower_omp_single_copy): Likewise.
5848 (lower_omp_single): Fix bindings, and lower to straightline now.
5849 (lower_omp_master, lower_omp_ordered): Likewise.
5850 (lower_omp_critical): Likewise.
5851 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5852 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5853 omp edges, free it afterward.
5854 (make_omp_sections_edges): Remove.
5855 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5856 (move_stmt_r): Handle OMP_CONTINUE.
5857 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5858 statement pointers to basic blocks. Add type member.
5859 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5860 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5861 * tree-inline.c (estimate_num_insns_1): Likewise.
5862 * tree-pretty-print.c (dump_generic_node): Likewise.
5863 * tree-ssa-operands.c (get_expr_operands): Likewise.
5864 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5865 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5866 (OMP_CONTINUE): New.
5867 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5868 (OMP_SECTIONS_SECTIONS): Remove.
5869 (OMP_SECTION_LAST): New.
5870 (OMP_RETURN_NOWAIT): New.
5872 2006-04-13 Roger Sayle <roger@eyesopen.com>
5874 * fold-const.c (native_encode_vector, native_interpret_real):
5875 Correct obvious mistakes in the previous check-in.
5877 2006-04-13 Roger Sayle <roger@eyesopen.com>
5879 * fold-const.c (native_encode_expr): New function to encode
5880 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5881 or VECTOR_CST into a specified buffer.
5882 (native_encode_int): New function.
5883 (native_encode_real): New function.
5884 (native_encode_complex): New function.
5885 (native_encode_vector): New function.
5886 (native_interpret_expr): Inverse of native_encode_expr to convert
5887 a target representation into an INTEGER_CST, REAL_CST etc...
5888 (native_interpret_int): New function.
5889 (native_interpret_real): New function.
5890 (native_interpret_complex): New function.
5891 (native_interpret_vector): New function.
5892 (fold_view_convert_expr): New function to constant fold/evaluate
5893 a VIEW_CONVERT_EXPR of a suitable constant expression.
5894 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5895 Change call of build1 to fold_build1 when constructing a
5898 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5899 Ulrich Weigand <uweigand@de.ibm.com>
5902 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5905 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5908 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5909 optimize to lo_sum for DFmode if !TARGET_FPRS.
5911 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5913 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5914 delete_alias_info, compute_flow_sensitive_aliasing,
5915 group_aliases): Use VEC instead of VARRAY.
5916 * tree-ssa-structalias.c (update_alias_info): Likewise.
5917 * tree-ssa-structalias.h (alias_info): Change the type of
5918 processed_ptrs to VEC(tree,heap) *.
5920 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5923 * config/sh/lib1funcs.h: New file, broken out of:
5924 * config/sh/lib1funcs.asm.
5925 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5927 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5928 * config/sh/lib1funcs-Os-4-200.asm: New file.
5929 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5930 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5931 (EXTRA_MULTILIB_PARTS): Include it.
5932 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5933 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5934 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5935 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5938 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5940 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5941 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5942 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5944 * tree-ssa-live.h: Include vecprim.h.
5945 (tree_partition_associator_d): Change the type of
5946 first_partition to VEC(int,heap) *.
5947 (tpa_first_partition): Use VEC instead of VARRAY.
5949 * Makefile.in (GTFILES): Move functions.h after tree.h.
5950 * function.c (reset_block_changes, record_block_change,
5951 check_block_change, free_block_changes): Use VEC instead of
5953 * function.h (function): Change the type of
5954 ib_boundaries_block to VEC(tree,gc) *.
5955 * tree-inline.c (copy_cfg_body): Initialize
5956 ib_boundaries_block to NULL instead of (varray_type) 0.
5958 2006-04-12 Roger Sayle <roger@eyesopen.com>
5960 * expr.c (emit_group_store): Correct operand order in call to
5961 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5962 a SUBREG_BYTE of zero.
5964 2006-04-12 Richard Guenther <rguenther@suse.de>
5966 * profile.c (compute_branch_probabilities): Remove code
5967 encapsulated in !ir_type (), which are remanents of the
5968 removed RTL profiling code.
5969 * rtl-profile.c: Remove.
5971 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5973 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5974 magic NULL_RTX comment.
5975 (function_arg): Store entire fp arg to mem if any part should go
5977 (rs6000_arg_partial_bytes): Adjust for above change.
5979 2006-04-11 Roger Sayle <roger@eyesopen.com>
5981 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5982 if it hasn't been initialized by dwarf2out_init.
5984 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5986 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5987 symbolic constants in branch patterns.
5989 2006-04-11 Roger Sayle <roger@eyesopen.com>
5991 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5993 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5995 PR rtl-optimization/27073
5996 * gcse.c (try_replace_reg): Revert last change. Continue to search
5997 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6000 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6002 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6003 aggregate types other than record and union types.
6004 (function_arg): Likewise.
6005 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6007 (function_value): In 64-bit mode, return objects that require it
6010 2006-04-11 Roger Sayle <roger@eyesopen.com>
6012 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6014 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6016 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6018 2006-04-03 Jeff Law <law@redhat.com>
6021 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6022 alias information too.
6024 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6026 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6028 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6031 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6032 (premark_used_types_helper): New.
6033 (premark_used_types): New.
6034 (gen_subprogram_die): Call premark_used_types.
6035 (prune_unused_types_walk): Do not prune perennial dies.
6036 * function.c (used_types_insert): New.
6037 * function.h (struct function): Add used_types_hash field.
6038 (used_types_insert): Add prototype.
6039 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6040 * c-parser.c (c_parser_cast_expression): Save casted types in used
6043 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6046 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6047 rs6000_explicit_options.float_gprs.
6049 2006-04-10 Roger Sayle <roger@eyesopen.com>
6051 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6052 from ix86_expand_vector_init_low_nonzero. Take an additional
6053 one_var argument indicating which element is non-zero. Support
6054 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6055 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6056 with one_var instead of ix86_expand_vector_init_low_nonzero.
6058 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6060 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6061 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6062 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6063 build/genextract.o): Depend on vecprim.h.
6064 * cfglayout.c, df-problems.c, function.c, genextract.c,
6065 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6066 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6070 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6072 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6073 Declare VECs of this type.
6074 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6075 (remove_children): Delete.
6076 (add_dwarf_attr): Use VEC routines.
6077 (add_AT_flag): Update for changes to add_dwarf_attr.
6078 (add_AT_int): Likewise.
6079 (add_AT_unsigned): Likewise.
6080 (add_AT_long_long): Likewise.
6081 (add_AT_vec): Likewise.
6082 (add_AT_string): Likewise.
6083 (add_AT_die_ref): Likewise.
6084 (add_AT_fde_ref): Likewise.
6085 (add_AT_loc): Likewise.
6086 (add_AT_loc_list): Likewise.
6087 (add_AT_addr): Likewise.
6088 (add_AT_lbl_id): Likewise.
6089 (add_AT_lineptr): Likewise.
6090 (add_AT_macptr): Likewise.
6091 (add_AT_offset): Likewise.
6092 (add_AT_range_list): Likewise.
6093 (get_AT): Use VEC_iterate.
6094 (remove_AT): Use VEC_ordered_remove.
6095 (free_die): Fold remove_children into here; have it use VEC_iterate.
6096 (print_die): Use VEC_iterate on attrs.
6097 (reverse_die_lists): Don't reverse attr lists.
6098 (die_checksum): Use VEC_iterate on attrs.
6099 (same_die_p): Likewise.
6100 (output_location_lists): Likewise.
6101 (build_abbrev_table): Likewise.
6102 (size_of_die): Likewise.
6103 (unmark_all_dies): Likewise.
6104 (output_abbrev_section): Likewise.
6105 (output_die): Likewise.
6106 (prune_unused_types_walk_attribs): Likewise.
6108 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6110 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6112 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6115 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6117 2006-04-09 Roger Sayle <roger@eyesopen.com>
6119 * expr.c (store_constructor): Don't bother clearing target if
6120 we're about to assign a vector to it using vec_init_optab.
6122 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6124 * tree-ssa-alias.c (lhs_may_store_to): New function.
6125 (recalculate_used_alone): Handle LHS of calls.
6127 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6131 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6132 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6133 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6134 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6135 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6136 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6137 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6138 stubs. Add ".align 8" directives before all ".dword" directives.
6139 (GTHREAD_USE_WEAK): Revise comment.
6140 (TARGET_ATTRIBUTE_WEAK): Define.
6141 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6142 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6143 * stublib.c: New file.
6148 * pa.md (cbranch patterns): Revise arguments used in calls to
6149 output_cbranch, output_bb and output_bvd. Add long branch length
6151 (fbranch patterns): Handle long branches.
6152 (jump): Revise length check. Revise arguments for output_lbranch call.
6153 Add long branch length attributes.
6154 (decrement_and_branch_until_zero): Add long branch length attributes.
6155 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6156 Likewise. Revise arguments for output_parallel_addb and
6157 output_parallel_movb calls.
6158 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6159 output_parallel_movb and output_parallel_addb): Update prototypes.
6160 * pa.c (output_cbranch): Revise arguments. Correct handling of
6161 nullification in long branches.
6162 (output_lbranch): Add new argument to control extraction of delay
6164 (output_bb): Handle long branches.
6165 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6166 output_parallel_addb): Likewise.
6168 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6170 PR rtl-optimization/27073
6171 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6174 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6176 * tree.h (tree_memory_tag): Add old_used_alone.
6177 (SMT_OLD_USED_ALONE): New macro.
6178 * tree-ssa-alias.c (recalculate_used_alone): Stop
6179 marking things for renaming unnecessarily.
6181 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6183 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6184 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6185 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6186 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6187 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6188 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6189 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6190 spelling convensions.
6191 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6192 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6193 typos. Follow spelling conventions.
6195 2006-04-07 DJ Delorie <dj@redhat.com>
6197 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6198 passed on the stack.
6199 (m32c_init_cumulative_args): When a function returns a structure,
6200 always pass the pointer to that return area on the stack.
6201 (m32c_function_arg_advance): Don't increment the parameter number
6202 if we're processing the returned structure pointer.
6203 (pushm_info): Reverse order of registers.
6205 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6207 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6208 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6209 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6210 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6212 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6213 chrec_fold_multiply): Same.
6214 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6215 force_expr_to_var_cost): Same.
6216 * tree-mudflap.c (mf_xform_derefs_1): Same.
6217 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6219 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6221 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6222 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6225 2006-04-07 Jan Hubicka <jh@suse.cz>
6227 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6229 2006-04-07 Richard Guenther <rguenther@suse.de>
6231 PR tree-optimization/26135
6232 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6233 loads for store copy-prop.
6234 (copy_prop_visit_stmt): Likewise.
6236 2006-04-05 Robert Millan <robertmh@gnu.org>
6238 * config/i386/linux.h: Add a comment to mark macros that are
6239 being overriden in config/k*bsd-gnu.h.
6240 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6242 * config/knetbsd-gnu.h: Ditto.
6244 2006-04-06 Jan Hubicka <jh@suse.cz>
6248 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6251 2006-04-06 Mike Stump <mrs@apple.com>
6253 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6254 for HAVE_nonlocal_goto to be consistent.
6255 (expand_builtin_nonlocal_goto): Likewise.
6256 (expand_builtin_strcmp): Use #ifdef instead of #if
6257 for HAVE_cmpstrnsi to be consistent.
6259 2006-04-05 DJ Delorie <dj@redhat.com>
6261 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6264 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6266 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6267 got-relative addressing for anything but SImode.
6269 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6270 even if the calling function doesn't modify them.
6272 2006-04-05 Richard Guenther <rguenther@suse.de>
6274 PR tree-optimization/26919
6275 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6276 to cgraph_estimate_size_after_inlining.
6278 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6280 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6282 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6284 PR tree-optimization/26996
6285 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6286 VECTOR_TYPE variables.
6288 2006-04-05 Richard Guenther <rguenther@suse.de>
6290 PR tree-optimization/26763
6291 * fold-const.c (fold_comparison): Move folding of
6292 PTR + CST CMP PTR + CST ...
6293 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6295 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6297 * doc/install.texi (Prerequisites): Refine some wording on
6298 bootstrapping and ksh.
6299 Move the version numbers of DejaGnu here from the testing section
6300 and fix casing of names.
6301 Fix markup and clarify wording for autogen requirements.
6302 Refer to GCJ instead of just java.
6303 Refer to SVN instead of CVS.
6304 Describe diffutils as useful instead of necessary.
6305 (Downloading the source): Refer to SVN instead of CVS.
6306 Adjust a link to our web site accordingly.
6307 (Configuration): Fix casing of Bison.
6308 (Building): Refer to SVN instead of CVS.
6309 Fix a sentence on the use of Bison and remove duplicate (and
6310 incorrect) version number of Bison requirement.
6311 Remove one redundant list of packages needed for building.
6312 (Specific): Avoid reference to CVS.
6314 2006-04-04 Eric Christopher <echristo@apple.com>
6316 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6317 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6318 (rs6000_handle_struct_attribute): New.
6319 (rs6000_ms_bitfield_layout_p): Ditto.
6321 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6323 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6324 NULL for dso parameter to atexit_common.
6326 2006-04-04 Eric Christopher <echristo@apple.com>
6328 * config/i386/i386.c (machopic_output_stub): Output \t
6329 between instructions and operands.
6331 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6333 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6334 satisfies_constraint_[IL] to explicit tests on value.
6336 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6338 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6339 set_nb_iterations_in_loop): Use build_int_cst instead of
6341 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6342 build_int_cst instead of convert.
6344 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6346 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6347 new value 2 for incoming.
6348 * function.c (expand_function_start): Call struct_value_rtx
6350 * config/sparc/sparc.md: Comment updated_return.
6351 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6352 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6353 struct return if sparc_std_struct_return and incoming is 2.
6354 (print_operand): Do not adjust return if
6355 sparc_std_struct_return.
6357 2006-04-04 Roger Sayle <roger@eyesopen.com>
6359 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6360 convert in the middle-end.
6361 * expr.c (store_expr, store_constructor, get_inner_reference,
6362 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6364 * tree.c (build_range_type): Likewise.
6366 2006-04-04 Tom Tromey <tromey@redhat.com>
6368 * doc/install.texi (Prerequisites): Mention jar.
6370 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6372 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6375 2006-04-04 Matthias Klose <doko@debian.org>
6377 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6378 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6381 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6383 * doc/extend.texi (Function Attributes): Rewrite visibility
6384 attribute documentation.
6385 * doc/invoke.texi (C++ Dialect Options): Rewrite
6386 -fvisibility-inlines-hidden documentation to describe something
6387 entirely different, although in practise compatible.
6388 (Code Gen Options): Warn about system headers in -fvisibility=
6391 * doc/extend.texi (Other Builtins): Document that
6392 __builtin_nan is a compile-time constant only when its argument
6395 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6397 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6398 trying to remove TRUNCATE check if all bits outside the new mode
6399 are identical to the sign bit.
6401 2006-04-03 Jeff Law <law@redhat.com>
6403 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6404 and operand scanning in some common cases.
6406 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6407 Dale Johannesen <dalej@apple.com>
6410 * regclass.c (struct reg_pref): Update documentation.
6411 (regclass): Set prefclass to NO_REGS if memory is the best option.
6412 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6413 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6414 into account. For non-registers, equate an empty preferred
6415 reload class to a `!' in the constraint; move the if clause to
6416 do so after those that reject the insn.
6417 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6419 (find_dummy_reload): Likewise.
6420 * doc/tm.texi (Register Classes): Document what it means
6421 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6422 * config/i386/i386.c (ix86_preferred_reload_class): Force
6423 using SSE registers (and return NO_REGS for floating-point
6424 constants) if math is done with SSE.
6425 (ix86_preferred_output_reload_class): New.
6426 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6427 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6428 * config/i386/i386.md: Remove # register preferences.
6430 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6433 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6434 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6435 the type of nb_iter.
6436 (instantiate_parameters_1): Convert the operands before calling
6437 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6438 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6440 2006-04-02 Roger Sayle <roger@eyesopen.com>
6442 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6443 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6445 * dojump.c (do_jump): Likewise.
6446 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6447 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6448 gimplify_boolean_expr): Likewise.
6449 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6450 * varasm.c (array_size_for_constructor): Likewise.
6451 * tree-object-size.c (compute_object_offset): Likewise.
6453 2006-04-02 Roger Sayle <roger@eyesopen.com>
6456 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6457 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6459 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6461 PR tree-optimization/26939
6462 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6464 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6466 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6467 at_stmt. Convert the type of operands before calling
6468 build_polynomial_chrec.
6469 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6471 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6472 (instantiate_parameters_1): Convert the type of operands before calling
6473 build_polynomial_chrec.
6474 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6475 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6476 reset_evolution_in_loop): Insert asserts to check the types of the
6478 (chrec_type): Moved...
6479 (eq_evolutions_p): Use operand_equal_p.
6480 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6481 the types of the operands.
6482 (chrec_type): ...here.
6483 * tree-data-ref.c (create_data_ref): Convert the operands before
6484 calling chrec_replace_initial_condition.
6485 (same_access_functions, analyze_subscript_affine_affine,
6486 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6487 (compute_subscript_distance, analyze_ziv_subscript,
6488 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6489 analyze_miv_subscript): Convert the operands before calling
6490 chrec_fold_minus or chrec_fold_plus.
6492 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6494 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6495 the dependence_relations vector.
6496 (compute_data_dependences_for_loop): Adjust call to
6497 compute_all_dependences.
6499 2006-04-01 Roger Sayle <roger@eyesopen.com>
6500 Richard Henderson <rth@redhat.com>
6502 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6503 gimple_boolify on the condition before calling gimplify_expr.
6505 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6507 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6508 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6509 the frame size. Update to use the new macros.
6510 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6511 * config/xtensa/ieee754-df.S: Likewise.
6513 2006-03-31 Richard Henderson <rth@redhat.com>
6515 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6516 (make_edges): ... here. Control fallthru creation with a local
6517 variable. Do not play with fake edges.
6518 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6519 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6522 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6524 * dwarf2.h (DW64_CIE_ID): Define.
6525 * dwarf2out.c (DWARF_CIE_ID): Define.
6526 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6527 length header. Use DWARF_CIE_ID.
6528 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6529 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6531 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6533 * config/sh/linux-atomic.asm: New file.
6534 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6536 2006-03-31 DJ Delorie <dj@redhat.com>
6538 * config/m32c/cond.md: Set condition flags properly throughout.
6539 * config/m32c/minmax.md: Likewise.
6540 * config/m32c/prologue.md: Likewise.
6541 * config/m32c/bitops.md: Likewise.
6542 * config/m32c/muldiv.md: Likewise.
6543 * config/m32c/mov.md: Likewise.
6544 * config/m32c/addsub.md: Likewise.
6545 * config/m32c/m32c.md: Likewise.
6546 * config/m32c/jump.md: Likewise.
6547 * config/m32c/shift.md: Likewise.
6549 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6550 conditionally output the pattern for this.
6551 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6552 (m32c_compare_redundant): New.
6553 (m32c_output_compare): New.
6554 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6556 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6557 dest, not src. Allow other 4-byte modes.
6559 2006-03-30 Denis Chertykov <denisc@overta.ru>
6561 * doc/md.texi: Refer to avr/constraints.md instead of
6564 2006-03-30 Roger Sayle <roger@eyesopen.com>
6566 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6567 signed vs. unsigned comparison failures on some hosts.
6569 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6572 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6573 change to FLOAT_REGS.
6575 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6576 (rs6000_override_options): Use it.
6577 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6578 only for -mabi=spe/no-spe and -mabi=altivec.
6580 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6582 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6585 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6587 * Makefile.in: Rename docdir to gcc_docdir.
6589 2006-03-30 Roger Sayle <roger@eyesopen.com>
6592 * expr.c (emit_group_store): Optimize group stores into a pseudo
6593 register by using a paradoxical subreg to initialize the destination
6594 if the first or last member of the group specifies a "low part".
6596 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6599 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6600 * target.h (struct gcc_target.speculate_insn): Change type of the
6601 second parameter to 'int'.
6602 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6603 the second operand of the DEPS_LIST.
6604 (copy_DEPS_LIST_list): Update reference to the second operand of the
6606 * rtl.h (alloc_DEPS_LIST): Update signature.
6607 * sched-int.h (ds_t): Change typedef to 'int'.
6608 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6610 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6612 * haifa-sched.c (try_ready): Change condition to restore
6613 non-speculative pattern of the instruction.
6614 (process_insn_depend_be_in_spec): Code to keep probability of the
6615 speculative dependence non-decreasing.
6617 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6619 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6620 (single_move_for_movmem): ... this. Also change all uses.
6621 (bfin_expand_strmov): Renamed to...
6622 (bfin_expand_movmem): ... this. Also change all uses.
6623 * config/bfin/bfin.md (movstrsi): Renamed to...
6624 (movstrsi): ...this.
6626 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6628 PR tree-optimization/26830
6630 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6631 (copy_prop_visit_stmt): Remove write-only variable ann.
6632 (init_copy_prop): Check variable loop depth here. Do not simulate
6633 memory-tag and virtual operand PHIs except for store copy prop.
6635 2006-03-30 Richard Guenther <rguenther@suse.de>
6637 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6638 variants with double arguments.
6640 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6642 * genpreds.c (write_tm_constrs_h): Delete variable p.
6643 * genconditions.c (write_header): Add tm-constrs.h to included
6645 * genpeep.c (main): Add toplev.h to included headers.
6646 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6647 (build/genpeep.o): Add toplev.h dependency.
6648 * config/rs6000/constraints.md: Add "W" constraint.
6650 2006-03-29 Roger Sayle <roger@eyesopen.com>
6652 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6653 sizes by correctly testing whether the size fits a host integer.
6654 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6655 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6656 SImode range for the default sizetype and bitsizetype.
6658 2006-03-29 Roger Sayle <roger@eyesopen.com>
6660 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6661 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6662 quickly if the argument is already of the correct type.
6663 Call fold_build1 instead of build1. Tidy up blank lines.
6665 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6667 * genemit.c (main): Add tm-constrs.h to included headers.
6668 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6669 * genpeep.c (main): Add tm-constrs.h to included headers.
6670 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6671 (write_tm_constrs_h): this and write complete file.
6672 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6673 (write_insn_preds_c): Add tm-constrs.h to included headers.
6674 (gen_constrs): New variable.
6675 (parse_option): Parse "-c".
6676 (main): Invoke write_tm_constrs_h.
6677 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6678 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6679 (object_out_file): Add tm-constrs.h dependency.
6680 (insn-emit.o): Same.
6681 (insn-output.o): Same.
6682 (insn-peep.o): Same.
6683 (insn-preds.o): Same.
6684 (insn-recog.o): Same.
6685 (tm-constsr.h): New target.
6686 (s-constrs-h): New target.
6688 * config/rs6000/constraints.md: New file.
6689 * config/rs6000/rs6000.c: Include tm-constrs.h.
6690 (num_insn_constant_wide): Convert to satisfies_constraint.
6691 (rs6000_rtx_costs): Convert to satisfies_constraint.
6692 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6693 (CONST_OK_FOR_LETTER_P): Delete.
6694 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6695 (EXTRA_CONSTRAINT): Delete.
6696 (EXTRA_MEMORY_CONSTRAINT): Delete.
6697 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6698 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6699 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6700 satisfies_constraint.
6702 * config/i386/i386.c: Include tm-constrs.h.
6704 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6706 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6707 * tree-data-ref.c (find_data_references_in_loop,
6708 compute_data_dependences_for_loop): Use pointers to VEC.
6709 (analyze_all_data_dependences): Adjust calls.
6710 * tree-data-ref.h (find_data_references_in_loop,
6711 compute_data_dependences_for_loop): Adjust declarations.
6712 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6713 compute_data_dependences_for_loop.
6715 2006-03-29 Paul Brook <paul@codesourcery.com>
6717 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6720 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6722 PR tree-optimization/26859
6723 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6725 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6726 for the step after fold_convert.
6728 2006-03-29 Paul Brook <paul@codesourcery.com>
6730 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6731 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6733 2006-03-29 Paul Brook <paul@codesourcery.com>
6736 * targhooks.c (default_narrow_bitfield): New fuction.
6737 * targhooks.h (default_narrow_bitfield): add prototype.
6738 * target.h (gcc_target): Add narrow_volatile_bitfield.
6739 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6740 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6741 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6742 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6744 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6746 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6748 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6749 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6750 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6751 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6752 (s390_function_arg_float): Allow SDmode and DDmode values to be
6753 passed in floating point registers.
6754 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6755 check with SCALAR_FLOAT_MODE_P.
6756 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6758 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6760 PR tree-optimization/25985
6761 * tree-ssa-loop-niter.c (number_of_iterations_le,
6762 number_of_iterations_ne): Make comments more precise.
6763 (number_of_iterations_cond): Add only_exit argument. Use the
6764 fact that signed variables do not overflow only when only_exit
6766 (loop_only_exit_p): New.
6767 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6768 number_of_iterations_cond.
6770 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6772 PR tree-optimization/26643
6773 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6776 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6778 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6779 (divsi3_i4_int): Likewise.
6781 2006-03-28 Roger Sayle <roger@eyesopen.com>
6783 * expr.c (emit_group_store): Only create a new pseudo reg if the
6784 quantity it needs to hold isn't already a suitable pseudo.
6786 2006-03-28 Jeff Law <law@redhat.com>
6788 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6789 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6791 2006-03-28 Roger Sayle <roger@eyesopen.com>
6793 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6794 the equivalent ~X & Y, and the symmetry related transformations.
6795 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6796 ~X & Y, and symmetry related transforms.
6798 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6800 Revert my 2006-03-27 patches.
6802 2006-03-28 Roger Sayle <roger@eyesopen.com>
6804 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6805 ~(T1)X, when T1 and T2 are integer types of the same precision
6806 and (T2)X isn't an extension.
6808 2006-03-28 Jeff Law <law@redhat.com>
6810 PR tree-optimization/26796
6811 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6812 need EH edge cleanups rather than purging them immediately.
6813 (eliminate_degenerate_phis): Handle queued EH cleanups.
6815 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6817 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6820 2006-03-27 Roger Sayle <roger@eyesopen.com>
6823 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6824 cast BIT_NOT_EXPR operand to the correct type.
6826 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6828 * tree-loop-linear.c: Don't include varray.h.
6829 (gather_interchange_stats, try_interchange_loops,
6830 linear_transform_loops): Use VEC instead of VARRAY.
6831 * lambda-mat.c: Don't include varray.h.
6832 * tree-chrec.c: Same.
6833 * lambda-trans.c: Same.
6834 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6835 VEC instead of VARRAY.
6836 * tree-vectorizer.h: Idem.
6837 * tree-data-ref.c (dump_data_references,
6838 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6839 initialize_data_dependence_relation, finalize_ddr_dependent,
6840 compute_all_dependences, find_data_references_in_loop,
6841 compute_data_dependences_for_loop, analyze_all_data_dependences,
6842 free_dependence_relation, free_dependence_relations,
6843 free_data_refs): Idem.
6844 * tree-data-ref.h (data_reference_p, subscript_p): New.
6845 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6846 VEC instead of VARRAY.
6847 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6848 (find_data_references_in_loop, compute_data_dependences_for_loop,
6849 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6850 dump_data_dependence_relations, free_dependence_relations,
6851 free_data_refs): Adjust declaration.
6852 (lambda_transform_legal_p): Move declaration here...
6853 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6854 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6855 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6856 vect_analyze_data_refs): Use VEC instead of VARRAY.
6857 * lambda.h (lambda_transform_legal_p): ...from here.
6858 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6859 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6860 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6861 tree-chrec.o): Don't depend on VARRAY_H.
6863 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6865 * rtl.def (Copyright): Update date.
6866 (DEPS_LIST): Change type of the second operand to 'int'.
6867 * target.h (Copyright): Update date.
6868 (struct gcc_target.speculate_insn): Change type of the second parameter
6870 * lists.c (Copyright): Update date.
6871 (alloc_DEPS_LIST): Change signature. Update reference to the second
6872 operand of the DEPS_LIST.
6873 (copy_DEPS_LIST_list): Update reference to the second operand of the
6875 * rtl.h (Copyright): Update date.
6876 (alloc_DEPS_LIST): Update signature.
6877 * sched-int.h (Copyright): Update date.
6878 (ds_t): Change typedef to 'int'.
6879 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6881 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6883 * haifa-sched.c (Copyright): Update date.
6884 (try_ready): Change condition to restore non-speculative pattern
6886 (process_insn_depend_be_in_spec): Code to keep probability of the
6887 speculative dependence non-decreasing.
6889 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6891 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6892 shut up the compiler.
6894 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6896 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6897 to use lib prefix for target.
6898 ($(T)libic_invalidate_array_4-200.a): Likewise.
6899 ($(T)libic_invalidate_array_4a.a): Likewise.
6901 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6902 J"orn Rennecke <joern.rennecke@st.com>
6904 * superh.opt: New file.
6905 * sh.c (boardtype, osruntime): Remove.
6906 * superh.h (SUBTARGET_OPTIONS): Remove.
6907 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6909 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6910 arguments with ^ and/or [].
6912 * config.gcc (sh-*-*): Add quoting to account for quirk of
6914 Replace == with = in enable_incomplete_targets test.
6916 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6917 with MASK_LITTLE_ENDIAN.
6919 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6920 * config/sh/sh.opt: Added to some comments.
6921 * config/sh/superh.h: Removed some chaff.
6923 * config/sh/sh.opt: Add m4-[1234]00* options.
6924 * config/sh/sh.c (sh_handle_option): Likewise.
6925 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6926 (ic_invalidate_array_4-100.o): New rule.
6927 ($(T)libic_invalidate_array_4-100.a): Likewise.
6928 (ic_invalidate_array_4-200.o): Likewise.
6929 ($(T)libic_invalidate_array_4-200.a): Likewise.
6930 (ic_invalidate_array_4a.o): Likewise.
6931 ($(T)libic_invalidate_array_4a.a): Likewise.
6932 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6933 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6935 * config/sh/crt1.asm: Merged in profiling code.
6936 * config/sh/superh.h (STARTFILE_SPEC): Override.
6937 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6938 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6939 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6941 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6942 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6943 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6945 * sh.opt (mpretend-cmove): New option.
6946 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6947 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6948 (movsicc): Add TARGET_PRETEND_CMOVE code.
6950 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6952 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6953 s390_class_max_nregs): New function prototypes.
6954 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6955 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6956 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6957 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6959 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6961 * dwarf2out.c (add_location_or_const_value_attribute): Call
6962 tree_add_const_value_attribute if nothing else works.
6963 (reference_to_unused): New.
6964 (rtl_for_decl_init): Use reference_to_unused to decide whether
6965 to output an initializer.
6967 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6970 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6971 peephole removing spe frob_di_df_2.
6973 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6975 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6976 (subscript_dependence_tester_1): Declared.
6977 (print_dir_vectors, print_dist_vectors): New.
6978 (debug_data_dependence_relation): New.
6979 (dump_data_dependence_relation): Print more details.
6980 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6981 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6982 (save_dist_v, save_dir_v, add_outer_distances,
6983 build_classic_dist_vector_1): New.
6984 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6985 Don't test for lambda_vector_lexico_pos.
6986 (same_access_functions, add_multivariate_self_dist,
6987 add_other_self_distances, dir_from_dist): New.
6988 (build_classic_dir_vector): Replace implementation almost identical to
6989 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6991 (subscript_dependence_tester_1): New.
6992 (subscript_dependence_tester): Handle the lexicographically negative
6993 distance vectors by recomputing the dependence relation.
6994 (compute_affine_dependence): Remove parameter loop_nest_depth.
6995 (compute_self_dependence): Don't call compute_subscript_distance.
6996 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6997 Add a parameter for the loop_nest.
6998 (find_loop_nest_1, find_loop_nest): New.
6999 (compute_data_dependences_for_loop): Compute the loop nest, and give
7000 up if the nest is not well formed.
7001 * tree-data-ref.h (loop_p): New.
7002 (struct data_dependence_relation): Replace size_vect field with
7003 loop_nest, a vec of loops.
7004 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7005 (DDR_LOOP_NEST): New.
7006 (print_dir_vectors, print_dist_vectors,
7007 debug_data_dependence_relation): Declared.
7008 (index_in_loop_nest): New.
7009 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7010 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7013 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7015 * simplify-rtx.c (simplify_relational_operation): Call
7016 simplify_relational_operation_1 even if mode is VOIDmode.
7018 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7020 PR tree-optimization/26804
7021 * tree.h (DECL_CALL_CLOBBERED): New macro.
7022 (tree_decl_common): Add call_clobbered_flag.
7023 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7024 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7025 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7026 (mark_non_addressable): Ditto.
7027 * tree-ssa.c (verify_call_clobbered): New function.
7028 (verify_alias_info): Use it.
7029 * tree-pass.h (pass_reset_cc_flags): New prototype.
7030 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7031 (reset_cc_flags): New function.
7032 * passes.c (init_optimization_passes): Call reset_cc_flags after
7033 initializing referenced_vars.
7035 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7036 Roger Sayle <roger@eyesopen.com>
7039 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7040 to 1.0 for non-real operands. Implement A / A optimization for
7043 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7045 * config/i386/i386.c (size_cost): Correct the comment for
7046 cost of storing fp registers.
7047 (i386_cost): Likewise.
7048 (i486_cost): Likewise.
7049 (pentium_cost): Likewise.
7050 (pentiumpro_cost): Likewise.
7051 (k6_cost): Likewise.
7052 (athlon_cost): Likewise.
7053 (k8_cost): Likewise.
7054 (pentium4_cost): Likewise.
7055 (nocona_cost): Likewise.
7056 (generic64_cost): Likewise.
7057 (generic32_cost): Likewise.
7059 2006-03-24 Denis Chertykov <denisc@overta.ru>
7061 * config/avr/avr-protos.h (extra_constraint): Delete.
7062 (extra_constraint_Q): New declaration.
7063 * config/avr/constraints.md: New file.
7064 * config/avr/avr.md: Include it.
7065 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7066 (TMP_REGNO, ZERO_REGNO): Likewise.
7067 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7068 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7069 (extra_constraint): Delete.
7070 (extra_constraint_Q): Test for memory constraint 'Q'.
7071 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7072 (REG_CLASS_FROM_LETTER): Delete.
7073 (CONST_OK_FOR_LETTER_P): Delete.
7074 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7075 (EXTRA_CONSTRAINT): Delete.
7076 (TMP_REGNO): Delete.
7077 (ZERO_REGNO): Delete.
7079 2006-03-24 Jeff Law <law@redhat.com>
7081 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7082 directly. Call mark_new_vars_to_rename slightly earlier.
7084 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7086 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7088 (gen_compile_unit_die): Use new language types for Objective-C and
7090 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7091 DW_LANG_C_plus_plus.
7094 * config/t-darwin (crt3.o): Work around bug 26840.
7095 * config/darwin-crt3.c: Rewrite.
7096 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7098 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7100 * doc/invoke.texi: Document -femit-class-debug-always
7101 * common.opt: Add -femit-class-debug-always.
7103 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7105 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7106 index and base register.
7107 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7108 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7109 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7110 REGNO_OK_FOR_INDEX_P.
7111 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7113 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7114 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7115 REG_OK_FOR_BASE_P): Definitions removed.
7117 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7120 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7121 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7122 set yet or weren't marked as local yet.
7124 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7126 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7129 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7131 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7132 (rs6000_legitimate_small_data_p): Delete.
7133 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7134 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7135 and make static. Add forward declaration. Update uses.
7136 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7137 of offsettable_memref_p.
7138 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7139 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7141 2006-03-24 Jeff Law <law@redhat.com>
7143 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7144 around bug in immediate-use iterator.
7146 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7149 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7150 or __LITTLE_ENDIAN__.
7152 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7154 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7155 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7156 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7157 * config/sh/sh.opt (mdiv=): Amend description.
7158 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7159 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7160 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7161 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7162 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7163 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7164 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7165 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7166 TARGET_DIVIDE_CALL_FP.
7168 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7170 * haifa-sched.c (choose_ready): Fix type of the local variable.
7171 Move local variables. Add comment.
7172 (check_reg_live): Change signature. Make callable from debugger.
7173 * sched-int.h (check_reg_live): Update signature.
7174 * sched-ebb.c (check_reg_live): Update parameters.
7175 * sched-rgn.c (check_reg_live): Ditto.
7176 (region_head_or_leaf_p): Check pointer before dereferencing.
7177 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7178 before reload on optimization levels below 1.
7180 2006-03-23 Richard Henderson <rth@redhat.com>
7182 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7186 * config/alpha/predicates.md (local_symbolic_operand): Reject
7189 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7192 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7193 expressions which have overflowed constants.
7195 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7197 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7199 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7201 * cfgloopmanip.c (create_loop_notes): Removed.
7202 * final.c (final_scan_insn): Do not handle loop notes.
7203 * jump.c (squeeze_notes): Ditto.
7204 * cfglayout.c (skip_insns_after_block,
7205 duplicate_insn_chain): Ditto.
7206 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7208 * cfgloop.h (create_loop_notes): Declaration removed.
7210 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7212 * varasm.c (output_constant_pool): Restore fnname and fndecl
7214 (assemble_start_function): Adjust call accordingly.
7215 (assemble_end_function): Likewise.
7217 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7220 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7223 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7225 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7228 * system.h (ICE_EXIT_CODE): New macro.
7229 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7230 (diagnostic_action_after_output): Likewise.
7231 * gcc.c (fatal_ice): New function.
7232 (execute): Use it instead of fatal.
7233 (fancy_abort): Likewise.
7234 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7236 2006-03-22 Jeff Law <law@redhat.com>
7238 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7239 iv_analyze_result returning false.
7241 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7243 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7245 2006-03-22 Richard Henderson <rth@redhat.com>
7248 * except.c (duplicate_eh_regions_0): New.
7249 (duplicate_eh_region_1): Duplicate the children of the node as
7250 well as the node itself. Link them up properly.
7251 (duplicate_eh_region_2): Merge into ...
7252 (duplicate_eh_regions): ... here. Take copy_region argument, and
7253 copy only a sub-tree if asked. Simplify copying and fixup.
7254 (eh_region_outer_p): New.
7255 * except.h (duplicate_eh_regions): Update decl.
7256 (eh_region_outer_p): Declare.
7257 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7258 (lower_omp_master): Likewise.
7259 (lower_omp_ordered): Likewise.
7260 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7261 (move_stmt_r): Use it to remap labels. Handle recursion vs
7262 remap_decls_p properly.
7263 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7264 (find_outermost_region_in_block): New.
7265 (new_label_mapper): New.
7266 (move_sese_region_to_fn): Copy eh information to the new function
7268 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7270 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7273 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7275 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7276 into shared libraries.
7278 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7280 * doc/md.texi: Refer to i386/constraints.md instead of
7282 * config/i386/constraints.md: New file, extracted from...
7283 * config/i386/predicates.md: ...here.
7284 * config/i386/i386.md: Include constraints.md.
7286 2006-03-21 Jason Merrill <jason@redhat.com>
7288 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7291 * expr.c (init_block_move_fn): Force default visibility.
7292 (init_block_clear_fn): Likewise.
7293 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7294 * targhooks.c (default_external_stack_protect_fail): Likewise.
7296 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7298 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7299 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7300 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7301 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7302 (loadgp): Use mips_current_loadgp_style.
7303 (loadgp_noshared): New pattern.
7304 (sibcall_internal): Use MIPS_CALL.
7305 (sibcall_value_internal): Likewise.
7306 (sibcall_value_multiple_internal): Likewise.
7307 (call_internal): Likewise.
7308 (call_value_internal): Likewise.
7309 (call_value_multiple_internal): Likewise.
7310 (call_split): Use MIPS_CALL and add an 'S' constraint.
7311 (call_value_split): Likewise.
7312 (call_value_multiple_split): Likewise.
7313 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7314 (-mshared): New option.
7315 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7316 (mips_current_loadgp_style): Declare.
7317 * config/mips/mips.c (mips_classify_symbol): Avoid using
7318 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7319 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7320 TARGET_ABSOLUTE_ABICALLS.
7321 (override_options): Adjust comments. Improve the warning that is
7322 issued when -mabicalls and -G are used together.
7323 (mips_file_start): Remove comment.
7324 (mips_current_loadgp_style): New function.
7325 (mips_gnu_local_gp): New variable.
7326 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7328 (mips_output_function_prologue): Use mips_current_laodgp_style.
7329 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7330 the cprestore instruction.
7331 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7332 live for TARGET_ABSOLUTE_ABICALLS.
7333 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7334 (ASM_SPEC): Pass down -mshared and -mno-shared.
7335 (MIPS_CALL): New macro.
7336 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7338 * doc/invoke.texi (-mabicalls): Update documentation.
7339 (-mshared): Document.
7341 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7343 * config/ia64/unwind-hpux.c: New file.
7344 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7346 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7349 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7351 2006-03-21 Jeff Law <law@redhat.com>
7353 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7354 type conversions of a VR_VARYING source to a wider type.
7356 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7358 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7359 tm_file on Solaris 10 and later.
7360 (sparc64-*-solaris2*): Likewise.
7361 (sparc-*-solaris2*): Likewise.
7362 * config/sol26.h: Rename to config/sol2-6.h.
7363 * config/sol2-10.h: New file.
7365 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7368 * tree-ssa-pre.c (create_component_ref_by_pieces):
7371 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7374 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7375 return it immediately.
7377 2006-03-21 Michael Matz <matz@suse.de>
7379 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7381 (remove_arc, add_arc): Update num_out_arcs member.
7382 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7384 (cache_presence): New function.
7385 (compare_states_for_equiv): New function.
7386 (state_is_differed): Don't take number of outargs, adjust callers.
7387 Use new invariant for speeding up.
7388 (init_equiv_class): Create initial classes based on sorted
7390 (partition_equiv_class): Don't track out_arcs_num.
7391 (evaluate_equiv_classes): Call cache_presence on all states and
7394 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7396 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7397 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7398 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7399 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7401 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7402 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7403 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7404 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7405 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7407 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7408 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7409 (REGNO_REG_CLASS): ARGP is in PREGS.
7410 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7412 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7413 to deal with those addresses.
7414 * addresses.h: New file.
7415 * caller-save.c: Include "addresses.h".
7416 (init_caller_save): Use new base_reg_class function.
7417 * rtl-factoring.c: Include "addresses.h".
7418 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7419 * recog.c: Include "addresses.h".
7420 (preprocess_constraints): Use new base_reg_class function.
7421 * regrename.c: Include "addresses.h".
7422 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7423 functions. Keep track of a new var INDEX_CODE to compute valid
7425 (replace_oldest_value_addr): Likewise.
7426 (replace_oldest_value_mem): Use base_reg_class.
7427 * reload.c: Include "addresses.h".
7428 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7429 (find_reloads): Use new base_reg_class function.
7430 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7431 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7432 all callers and prototype changed.
7433 * reload1.c: Include "addresses.h".
7434 (maybe_fix_stack_asms): Use base_reg_class.
7435 * regclass.c: Include "addresses.h".
7436 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7437 (init_reg_autoinc): Use new base_reg_class function.
7438 (record_reg_classes): Likewise.
7439 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7440 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7441 Use new args to compute necessary class.
7443 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7444 regrename.o, rtl-factoring.o): Update dependencies.
7445 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7446 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7447 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7448 REG_OK_FOR_INDEX_P): Delete documentation.
7450 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7452 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7453 from V7 to V9 for Solaris 7 and above.
7455 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7457 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7458 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7459 argument pointers may not alias any other storage.
7460 * common.opt: Define option -fargument-noalias-anything.
7461 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7462 alias semantics is specified by flag_argument_noalias > 2.
7464 2006-03-20 Jeff Law <law@redhat.com>
7466 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7467 (pass_phi_only_cprop): Declare.
7468 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7470 * tree-ssa-dom.c (degenerate_phi_result): New function.
7471 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7472 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7473 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7474 (eliminate_degenerate_phis): Likewise.
7475 (pass_phi_only_cprop): New pass descriptor.
7476 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7477 support code. Callers updated.
7478 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7479 (store_copy_prop): Likewise.
7480 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7482 2006-03-20 Jason Merrill <jason@redhat.com>
7485 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7486 (push_visibility, pop_visibility): Likewise.
7487 * c-pragma.h: Declare them.
7489 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7491 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7493 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7494 parameter and use get_ebb_head_tail.
7495 (sh_md_init_global): Adjust uses of find_regmode_weight.
7497 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7499 * function.h (struct function) <x_tail_recursion_reentry>:
7500 Rename to x_stack_check_probe_note.
7501 (tail_recursion_reentry): Rename to stack_check_probe_note.
7502 * function.c: Replace tail_recursion_reentry with
7503 stack_check_probe_note everywhere.
7504 (expand_function_start): Only emit a note for
7505 stack_check_probe_note with -fstack-protect.
7506 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7508 * emit-rtl.c (remove_unnecessary_notes): Remove.
7509 (pass_remove_unnecessary_notes): Remove.
7510 * rtl.h (remove_unnecessary_notes): Remove prototype.
7511 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7512 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7513 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7515 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7518 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7519 (valid_in_set): Handle ARRAY_REF.
7520 Change "if min_variant or VH" to asserts.
7521 (create_component_ref_by_pieces): Handle ARRAY_REF.
7522 (create_expression_by_pieces): Likewise.
7523 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7525 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7527 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7528 is operand of switch, not str[0].
7530 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7532 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7533 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7535 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7537 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7538 end of insn_extra_address_constraint declaration.
7540 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7542 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7543 (no-sum-in-toc): Same.
7544 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7546 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7547 NO_FP_IN_TOC for -fPIC instead of mask.
7549 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7550 (BOOT_LDFLAGS): Delete.
7552 * config/rs6000/t-aix52: Same.
7554 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7555 (stmsi[345678]_power): New.
7557 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7559 * config/ia64/ia64.opt: Add empty line to end of file.
7561 2006-03-17 Richard Guenther <rguenther@suse.de>
7564 * builtins.c (get_pointer_alignment): For component style references
7565 adjust alignment to the component type alignment. Make sure
7566 to adjust alignment for component access of constants.
7568 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7570 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7573 2006-03-17 Paul Brook <paul@codesourcery.com>
7575 * doc/install.texi: Docuemnt --with-mode.
7576 * config.gcc: Add --with-mode for arm*-*-*.
7577 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7579 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7581 * sh.c (max_labelno_before_reorg): New variable.
7582 (sh_reorg): Initialize it.
7583 (find_barrier): Check max_labelno_before_reorg before using
7584 label_to_alignment. Take length of explicit alignment insns
7585 into account. When seeing a UNSPECV_CONST_END, return it.
7587 * sh.c (fixup_mova): Set mode of affected label to QImode.
7588 (untangle_mova): New function.
7589 (find_barrier): Use it. Check mode of label before decrementing
7591 (sh_reorg): Likewise.
7592 Set mode of all insns back to VOIDmode.
7594 * sh.c (MOVA_LABELREF): New macro.
7595 (mova_p, fixup_mova, sh_reorg): Use it.
7596 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7597 ADDR_DIFF_VEC matches mova.
7599 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7601 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7602 with ATTRIBUTE_UNUSED.
7604 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7606 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7607 pointer, instead of assuming it is possible to derive the
7608 correct args size from a call insn.
7610 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7612 * rtl.h (CONST_INT_P): Define.
7613 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7614 instead of GET_CODE(x) == CONST_INT.
7615 (vax_rtx_costs): Likewise.
7616 (vax_output_int_move): Likewise.
7617 (vax_output_int_add): Likewise.
7618 (legitimate_constant_address_p): Likewise.
7619 (index_term_p): Likewise.
7620 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7621 * config/vax/vax.md (and<mode>3): Likewise.
7622 (ashrsi3): Likewise.
7624 (movstricthi): Likewise.
7625 (movstrictqi): Likewise.
7626 (rotrsi3): Likewise.
7627 (five unnamed insns): Likewise.
7629 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7631 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7632 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7633 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7634 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7635 Pass to ASM_OUTPUT_DWARF_OFFSET.
7636 * dwarf2out.c (debug_frame_section): New.
7637 (output_call_frame_info): Use debug_frame_section. Pass it to
7638 dw2_asm_output_offset.
7639 (output_die): Pass appropriate section to dw2_asm_output_offset.
7640 (output_compilation_unit_header): Likewise.
7641 (output_pubnames): Likewise.
7642 (output_aranges): Likewise.
7643 (enum dw_val_class): Break dw_val_class_lbl_offset into
7644 dw_val_class_lineptr and dw_val_class_macptr.
7645 (add_AT_lbl_offset): Delete.
7646 (add_AT_lineptr): New.
7647 (add_AT_macptr): New.
7648 (AT_lbl): Expect a lineptr or macptr.
7649 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7650 (attr_checksum): Likewise.
7651 (same_dw_val_p): Likewise.
7652 (size_of_die): Likewise.
7653 (value_format): Likewise.
7654 (output_die): Likewise.
7655 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7657 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7658 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7659 * config/darwin-protos.h (darwin_file_start): New.
7660 (darwin_asm_output_dwarf_offset): New.
7661 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7662 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7664 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7665 if not EH section; simplify.
7666 (darwin_file_start): New.
7667 (darwin_asm_output_dwarf_offset): New.
7668 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7670 (DEBUG_INFO_SECTION): Likewise.
7671 (DEBUG_ABBREV_SECTION): Likewise.
7672 (DEBUG_ARANGES_SECTION): Likewise.
7673 (DEBUG_MACINFO_SECTION): Likewise.
7674 (DEBUG_LINE_SECTION): Likewise.
7675 (DEBUG_LOC_SECTION): Likewise.
7676 (DEBUG_PUBNAMES_SECTION): Likewise.
7677 (DEBUG_STR_SECTION): Likewise.
7678 (DEBUG_RANGES_SECTION): Likewise.
7679 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7680 (ASM_OUTPUT_DWARF_OFFSET): New.
7682 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7684 * config.gcc (tm_defines): Always add to previous value rather
7687 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7689 * config/mips/predicates.md (splittable_const_int_operand): New,
7690 split from move_operand.
7691 (splittable_symbolic_operand): New.
7692 (move_operand): Add commentary. Use splittable_const_int_operand.
7693 Inline mips_atomic_symbolic_constant_p.
7694 * config/mips/mips.md: Add combine splitters for handling moves
7695 of splittable_const_int_operands and splittable_symbolic_operands.
7696 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7697 (mips_split_symbol): Declare.
7698 (mips_move_integer): Declare.
7699 * config/mips/mips.c (mips_split_p): Make global.
7700 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7701 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7702 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7703 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7704 (mips_offset_within_object_p): Handle block symbols.
7705 (mips_atomic_symbolic_constant_p): Delete.
7706 (mips_cannot_force_const_mem): Return false for constants that
7707 mips_legitimize_move can handle.
7708 (mips_use_blocks_for_constant_p): New function.
7709 (mips_split_symbol): Make global.
7710 (mips_move_integer): Likewise. Add a temporary register argument.
7711 (mips_legitimize_const_move): Use splittable_const_int_operand and
7712 splittable_symbolic_operand.
7713 (mips_use_anchors_for_symbol_p): New function.
7714 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7715 (mips_split_p): Declare.
7717 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7719 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7720 (mips*-*-linux*): Likewise.
7722 2006-03-16 Roger Sayle <roger@eyesopen.com>
7723 Daniel Speyer <dspeyer@wam.umd.edu>
7726 * tree-dump.c (dump_real): New function.
7727 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7728 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7729 (tree-dump.o): Add $(REAL_H) to the dependencies.
7731 2006-03-16 Roger Sayle <roger@eyesopen.com>
7734 * real.c (real_from_string): If the mantissa is zero, don't bother
7735 parsing the exponent as the result should always be zero.
7737 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7739 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7741 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7743 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7744 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7745 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7746 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7747 ia64_sched_finish_global): New static functions to implement
7748 hooks from gcc_target.sched.
7749 (spec_check_no, max_uid, pending_data_specs): New static variables.
7750 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7751 ia64_spec_check_src_p): New static functions.
7752 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7753 (TARGET_SCHED_ADJUST_COST): Removed.
7754 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7755 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7756 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7757 TARGET_SCHED_GEN_CHECK,
7758 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7759 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7760 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7761 Fixed to handle speculation checks.
7762 (rtx_needs_barrier): Fixed to handle speculative loads and
7764 (ia64_variable_issue): Added code to count speculative loads and their
7766 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7768 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7770 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7772 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7773 (ia64_reorg): Reset stops_p to NULL after it is freed.
7774 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7775 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7776 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7778 (data_speculative, control_speculative, check_load): New attributes.
7779 (mov<mode>_advanced, mov<mode>_speculative,
7780 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7781 zero_extend<mode>di2_speculative,
7782 zero_extend<mode>di2_speculative_advanced): New patterns for
7783 data and control speculative loads.
7784 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7786 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7787 New pattern for data and control speculation checks.
7788 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7789 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7790 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7791 Auxiliary definitions for the patterns.
7792 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7793 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7795 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7797 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7798 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7799 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7800 New resource constraints.
7801 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7803 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7804 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7805 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7806 msched-in-control-spec, msched-ldc, msched-control-ldc,
7807 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7808 msched-prefer-non-control-spec-insns,
7809 msched-count-spec-in-critical-path): New flags to tune speculative
7811 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7812 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7813 msched-in-control-spec, msched-ldc, msched-control-ldc,
7814 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7815 msched-prefer-non-control-spec-insns,
7816 msched-count-spec-in-critical-path): Document new flags.
7818 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7820 * target.h (struct spec_info_def): New opaque declaration.
7821 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7822 speculate_insn, needs_block_p, gen_check,
7823 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7824 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7825 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7826 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7827 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7828 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7830 (TARGET_SCHED): Use new macros.
7831 * rtl.h (copy_DEPS_LIST_list): New prototype.
7832 * sched-int.h (struct sched_info): Change signature of new_ready field,
7833 adjust all initializations. New fields: add_remove_insn,
7834 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7835 region_head_or_leaf_p.
7836 (struct spec_info_def): New structure declaration.
7837 (spec_info_t): New typedef.
7838 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7839 recovery_block, orig_pat.
7840 (glat_start, glat_end): New variables declaraions.
7841 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7843 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7844 DETACH_LIFE_INFO, USE_GLAT.
7845 (enum SPEC_SCHED_FLAGS): New enumeration.
7846 (NOTE_NOTE_BB_P): New macro.
7847 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7848 attach_life_info, debug_spec_status, check_reg_live): New functions.
7849 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7850 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7852 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7853 * ddg.c (get_block_head_tail): Adjust all uses.
7854 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7855 (sms_sched_info): Initialize new fields.
7856 (contributes_to_priority): Removed.
7857 * haifa-sched.c (params.h): New include.
7858 (get_block_head_tail): Adjust all uses.
7859 (ISSUE_POINTS): New macro.
7860 (glat_start, glat_end): New global variables.
7861 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7862 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7863 old_last_basic_block, before_recovery, current_sched_info_var,
7864 rgn_n_insns, luid): New static variables.
7865 (insn_cost1): New function. Move logic from insn_cost to here.
7866 (find_insn_reg_weight1): New function. Move logic from
7867 find_insn_reg_weight to here.
7868 (reemit_notes, move_insn, max_issue): Change signature.
7869 (move_insn1): Removed.
7870 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7871 extend_bb): New static functions to support extension of scheduler's
7873 (generate_recovery_code, process_insn_depend_be_in_spec,
7874 begin_speculative_block, add_to_speculative_block,
7875 init_before_recovery, create_recovery_block, create_check_block_twin,
7876 fix_recovery_deps): New static functions to support
7877 generation of recovery code.
7878 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7879 restore_bb_notes, move_block_after_check, move_succs): New static
7880 functions to support ebb scheduling.
7881 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7882 functions to support handling of register live information.
7883 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7884 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7885 add_jump_dependencies): New static functions.
7886 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7887 consistancy checking.
7888 (debug_spec_status): New function to call from debugger.
7889 (priority): Added code to handle speculation checks.
7890 (rank_for_schedule): Added code to distinguish speculative instructions.
7891 (schedule_insn): Added code to handle speculation checks.
7892 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7893 Fixed to handle ebbs.
7894 (move_insn): Added code to handle ebb scheduling.
7895 (max_issue): Added code to use ISSUE_POINTS of instructions.
7896 (choose_ready): Added code to choose between speculative and
7897 non-speculative instructions.
7898 (schedule_block): Added code to handle ebb scheduling and scheduling of
7899 speculative instructions.
7900 (sched_init): Initialize new variables.
7901 (sched_finish): Free new variables. Print statistics.
7902 (try_ready): Added code to handle speculative instructions.
7903 * lists.c (copy_DEPS_LIST_list): New function.
7904 * sched-deps.c (extend_dependency_caches): New function. Move logic
7905 from create_dependency_caches to here.
7906 (get_dep_weak, ds_merge): Make global.
7907 * genattr.c (main): Code to output prototype for
7908 dfa_clear_single_insn_cache.
7909 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7910 (output_dfa_clean_insn_cache_func): Code to output
7911 dfa_clear_single_insn_cache function.
7912 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7914 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7916 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7917 New static variables.
7918 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7919 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7921 (ebb_sched_info): Initialize new fields.
7922 (get_block_head_tail): Adjust all uses.
7923 (compute_jump_reg_dependencies): Fixed to use glat_start.
7924 (schedule_ebb): Code to remove unreachable last block.
7925 (schedule_ebbs): Added code to update register live information.
7926 * sched-rgn.c (region_sched_info): Initialize new fields.
7927 (get_block_head_tail): Adjust all uses.
7928 (last_was_jump): Removed. Adjust users.
7929 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7930 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7931 Implement new hooks.
7932 (check_dead_notes1): New static function.
7933 (struct region): New fields: dont_calc_deps, has_real_ebb.
7934 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7935 (BB_TO_BLOCK): Fixed to handle EBBs.
7936 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7937 (ebb_head): New static variable.
7938 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7939 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7941 (compute_dom_prob_ps): New assertion.
7942 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7943 global_live_at_start.
7944 (init_ready_list): New assertions.
7945 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7946 (new_ready): Add support for BEGIN_CONTROL speculation.
7947 (schedule_insns): Fixed code that updates register live information
7949 (schedule_region): Fixed to handle EBBs.
7950 (init_regions): Use extend_regions and check_dead_notes1.
7951 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7952 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7953 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7954 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7955 TARGET_SCHED_GEN_CHECK,
7956 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7957 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7958 * doc/invoke.texi (max-sched-insn-conflict-delay,
7959 sched-spec-prob-cutoff): Document.
7961 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7963 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7964 inter_tick, queue_index.
7965 (struct sched_info): Change signature of init_ready_list field.
7966 Adjust all initializations.
7967 (RESOLVED_DEPS): New access macro.
7968 (ready_add): Remove prototype.
7969 (try_ready): Add prototype.
7970 * sched-rgn.c (init_ready_list): Use try_ready.
7971 (schedule_region): Initialize
7972 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7973 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7974 (init_ready_list): Use try_ready.
7975 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7976 * lists.c (remove_list_elem): Remove `static'.
7977 (remove_free_INSN_LIST_elem): New function.
7978 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7979 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7980 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7982 (readyp): New variable.
7983 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7984 change_queue_index, resolve_dep): New static functions.
7985 (try_ready): New function. Adjust callers in sched-rgn.c and
7986 sched-ebb.c to use it instead of ready_add.
7987 (clock_var): Move at the begining of file.
7988 (rank_for_schedule): Fix typo.
7989 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7990 (ready_lastpos): Enforce assertion.
7991 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7993 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7994 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7995 (queue_to_ready): Use free_INSN_LIST_list.
7996 (early_queue_to_ready): Fix typo.
7997 (schedule_block): Init readyp. Move init_ready_list call after the
7998 initialization of clock_var. Fix error in rejecting insn by
7999 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8000 that previously corrected INSN_TICKs. Add code for handling
8002 (set_priorities): Fix typo.
8003 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8004 Clarify comment and code that keeps current_sched_info->next_tail
8007 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8009 * sched-rgn.c (extend_rgns): New static function.
8010 (find_rgns): Use it.
8011 (gather_region_statistics, print_region_statistics): New static
8013 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8014 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8016 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8017 Andrey Belevantsev <abel@ispras.ru>
8019 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8020 * lists.c (unused_deps_list): New variable.
8021 (free_list): Add assertions to verify the proper distinguishing
8022 between INSN_LISTs and DEPS_LISTs.
8023 (find_list_elem, remove_list_elem, remove_list_node): New static
8025 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8026 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8027 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8028 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8030 (free_INSN_LIST_node): Likewise.
8031 * modulo-sched.c (current_sched_info): Initialize flags field.
8032 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8033 * rtl.def (DEPS_LIST): Define.
8034 * rtl.h: Declare new functions from lists.c.
8035 * sched-deps.c (spec_dependency_cache): New static variable.
8036 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8037 (add_dependence): Change return type to void. Move the logic to ...
8038 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8039 (delete_all_dependences): Add comment about forward_dependency_cache.
8040 Handle spec_dependency_cache. Handle DEPS_LISTs.
8041 (fixup_sched_groups): Clarify the change of priority of output
8042 and anti dependencies.
8043 (sched_analyze_2): Adjust add_dependence calls to create data
8044 speculative dependence.
8045 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8046 Adjust all callers. Handle DEPS_LISTS.
8047 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8048 presence of speculation.
8049 (init_dependency_caches, free_dependency_caches):
8050 Handle spec_dependency_cache.
8051 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8052 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8053 New static functions.
8054 (add_or_update_back_dep, add_or_update_back_forw_dep,
8055 add_back_forw_dep, delete_back_forw_dep): New functions.
8056 * sched-int.h (ds_t, dw_t): New typedefs.
8057 (struct sched_info): Add new field flags.
8058 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8059 Prototype new sched-deps.c functions.
8060 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8061 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8062 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8063 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8064 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8065 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8067 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8069 * sched-rgn.c (current_sched_info): Initialize flags field.
8070 (schedule_insns): Initialize current_sched_info before the sched_init
8072 * sched-ebb.c (current_sched_info): Initialize flags field.
8073 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8074 Call add_or_update_back_dep instead of add_dependence.
8075 Create control speculative dependencies.
8076 (schedule_insns): Initialize current_sched_info before the sched_init
8079 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8081 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8083 (sh_fallback_frame_state): Likewise.
8085 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8087 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8088 Do switch on default_use_cxa_atexit.
8089 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8090 * config/darwin-crt3.o: New.
8091 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8092 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8093 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8095 * config/rs6000/t-darwin: Move crt2.o building to here.
8096 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8097 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8100 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8102 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8103 from '! xxx' to '!xxx' for coding-style conformance.
8104 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8105 (EXTRA_CONSTRAINT): Likewise.
8106 * config/vax/vax.md (four unnamed insns): Likewise.
8108 2006-03-15 Paul Brook <paul@codesourcery.com>
8110 * config/arm/arm.c (minipool_pad): New.
8111 (add_minipool_forward_ref): Include pool alignment padding in address
8113 (push_minipool_fix): Set minipool_pad.
8114 (minipool_pad): Ditto.
8116 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8118 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8119 instead of GET_CODE() == MEM and REG_P() instead of
8121 (print_operand_address): Likewise.
8122 (vax_address_cost): Likewise.
8123 (vax_rtx_costs): Likewise.
8124 (vax_notice_update_cc): Likewise.
8125 (vax_output_int_add): Likewise.
8126 (INDEX_REGISTER_P): Likewise.
8127 (BASE_REGISTER_P): Likewise.
8128 (nonindexed_address_p): Likewise.
8129 (vax_mode_dependent_address_p): Likewise.
8130 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8131 (PRINT_OPERAND): Likewise.
8132 * config/vax/vax.md (ashlsi3): Likewise.
8133 (ashlsi3): Likewise.
8134 (some more unnamed insns): Likewise.
8136 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8138 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8139 iterator-style macro.
8140 (mark_control_dependent_edges_necessary): Update the use of
8141 EXECUTE_IF_CONTROL_DEPENDENT.
8143 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8145 * config/sh/predicates.md (cache_address_operand): Special.
8146 (ua_address_operand): Likewise.
8148 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8150 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8152 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8154 2006-03-15 Andreas Schwab <schwab@suse.de>
8156 * gensupport.c (identify_predicable_attribute): Don't free p_false
8157 when it is still in use.
8159 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8161 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8162 the default setting here.
8164 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8166 * tree-pass.h (pass_cfg): Remove.
8167 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8168 * passes.c (pass_cfg): Don't run it.
8170 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8172 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8173 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8175 (stack_regs_mentioned): Update the uses of
8176 stack_regs_mentioned_data. Don't access the array beyond its
8178 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8179 Don't include gt-reg-stack.h.
8181 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8182 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8184 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8187 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8190 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8192 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8194 2006-03-14 Richard Guenther <rguenther@suse.de>
8196 PR tree-optimization/26672
8197 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8200 2006-03-14 Richard Guenther <rguenther@suse.de>
8202 PR tree-optimization/26667
8203 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8204 node for the callees. Always allow inlining if it will shrink
8207 2006-03-14 Richard Guenther <rguenther@suse.de>
8210 * builtins.c (get_pointer_alignment): Prefer alignment
8211 information from decls over that from types.
8213 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8216 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8218 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8220 * config/rs6000/rs6000.opt (mdlmzb): New option.
8221 (msched-prolog, msched-epilog): Use Var not Mask.
8222 * doc/invoke.texi (-mdlmzb): Document.
8223 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8225 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8226 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8228 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8230 PR rtl-optimization/25739
8231 * bt-load.c (augment_live_range): Free tos pointer.
8233 * gensupport.c (identify_predicable_attribute): Free
8235 * gcov.c (create_file_names): Free name pointer.
8237 2006-03-13 Roger Sayle <roger@eyesopen.com>
8240 * stmt.c (emit_case_nodes): Handle the case where the index is a
8241 CONST_INT, where the comparison mode is specified by the index type.
8243 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8245 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8248 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8250 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8251 (*branch_fp_inverted): Likewise.
8253 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8256 * omp-low.c (expand_omp_for_generic): Mark istart0
8257 and iend0 as addressable.
8259 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8261 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8263 2006-03-13 Jeff Law <law@redhat.com>
8265 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8266 virtual operands are interesting.
8267 (vrp_visit_stmt): Corresponding changes.
8269 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8271 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8273 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8274 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8275 * config/bfin/crti.S: Use it instead of __PIC__.
8276 * config/bfin/crtn.S: Likewise.
8278 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8279 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8281 Lose 'G' modifier for call operand.
8282 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8283 recognize 'G' modifier.
8285 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8288 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8289 * stmt.c (expand_case): Likewise.
8291 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8293 PR rtl-optimization/26254
8294 * loop-invariant.c (seq_insns_valid_p): New function.
8295 (move_invariant_reg): Only emit new code if it is valid.
8297 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8299 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8301 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8302 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8303 (commit_one_edge_insertion): Do not look for loop notes.
8305 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8307 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8308 flag_test_coverage out of loop.
8310 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8312 * final.c (shorten_branches): Remove outdated comment, and turn
8313 the if branch that guards it to continue.
8315 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8317 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8318 * cfgloop.h (struct loop): Remove unused fields.
8320 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8322 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8323 (-dL, -fdump-rtl-loop2): Update the dump file names
8325 * doc/invoke.texi: Update dump file names.
8327 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8329 * predict.c (estimate_probability): Remove.
8330 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8331 * basic-block.h (estimate_probability): Remove prototype.
8332 * passes.c (finish_optimization_passes): Dump branch prediction or
8333 profiling heuristics to the .profile tree dump.
8334 (init_optimization_passes): Unqueue pass_branch_prob.
8336 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8338 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8340 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8341 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8343 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8345 * function.h (frame_offset_overflow): Declare.
8346 * function.c (frame_offset_overflow): New function.
8347 (assign_stack_local_1): Call it to detect that the offset overflows.
8348 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8350 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8352 * config/sh/sh.c: Include alloc-pool.h.
8353 (label_ref_list_pool): New alloc pool.
8354 (label_ref_list_t): New type for lists of labels.
8355 (struct pool_node): Make wend a label_ref_list_t.
8356 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8358 (dump_table): Likewise.
8359 (sh_reorg): Set up the alloc pool before using add_constant and
8360 dump_table, and destroy it when finishing.
8362 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8364 * config/mips/mips.c: Remove redundant comment.
8366 2006-03-10 Jason Merrill <jason@redhat.com>
8369 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8370 the target was declared 'register'.
8372 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8374 * genpreds.c (write_insn_constraint_len): Change definition of
8375 insn_constraint_len to return size_t to match the declaration.
8377 2006-03-10 DJ Delorie <dj@redhat.com>
8379 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8381 (m32c_expand_insv): Fix test for an AND mask.
8383 2006-03-10 Richard Guenther <rguenther@suse.de>
8386 * builtins.c (get_pointer_alignment): Handle component
8387 references for field alignment.
8389 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8391 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8392 when building with libgloss.
8393 (sh*elf): Implement --without-fp option.
8394 (sh64-superh-linux*): Don't multilib.
8396 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8398 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8400 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8402 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8403 Set it when one of the replacement functions returned true.
8404 Return TODO_cleanup_cfg if cfgchanged is true.
8405 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8407 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8409 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8410 instead of gen_lowpart.
8412 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8414 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8416 (mips_output_order_conditional_branch): Declare.
8417 * config/mips/mips.h (MIPS_BRANCH): New macro.
8418 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8419 for the comparison. Use gen_condjump.
8420 (mips_output_conditional_branch): Rework interface to take the
8421 asm templates for a direct branch and the inverse of a direct branch.
8422 (mips_output_order_conditional_branch): New function.
8423 (mips_builtin_branch_and_move): New function.
8424 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8425 branch condition. Use gen_single_cc as the condition for
8426 __builtin_mips_upper_* or __builtin_mips_lower_*.
8427 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8428 Use VOIDmode for the branch condition.
8429 * config/mips/predicates.md (order_operator): New predicate.
8430 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8431 (branch_fp): Rename to...
8432 (*branch_fp): ...this. Remove mode from comparison operator.
8433 Use new mips_output_conditional_branch interface.
8434 (branch_fp_inverted): Rename to...
8435 (*branch_fp_inverted): ...this and update as for *branch_fp.
8436 (*branch_zero<mode>): Rename to...
8437 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8438 Use mips_output_order_conditional_branch. Only accept ordered
8440 (*branch_zero<mode>_inverted): Rename to...
8441 (*branch_order<mode>_inverted): ...this and update as for
8442 *branch_order<mode>.
8443 (*branch_equality<mode>): Accept zero as the second operand to
8444 the equality operator. Use the new mips_output_conditional_branch
8446 (*branch_equality<mode>_inverted): Likewise.
8447 (condjump): New expander.
8448 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8450 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8451 (bc1any2t, bc1any2f): Likewise.
8452 (single_cc): New expander.
8453 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8455 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8457 * doc/md.texi: Update documentation of MIPS constraints.
8458 * config/mips/constraints.md: New file.
8459 * config/mips/mips.md: Include it.
8460 * config/mips/mips.c (mips_char_to_class): Delete.
8461 (override_options): Don't initialize mips_char_to_class.
8462 * config/mips/mips.h (mips_char_to_class): Delete.
8463 (REG_CLASS_FROM_LETTER): Delete.
8464 (CONST_OK_FOR_LETTER_P): Delete.
8465 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8466 (EXTRA_CONSTRAINT_Y): Delete.
8467 (EXTRA_CONSTRAINT_STR): Delete.
8468 (CONSTRAINT_LEN): Delete.
8469 (EXTRA_MEMORY_CONSTRAINT): Delete.
8471 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8473 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8474 original fn's eh regions.
8476 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8478 * fold-const.c (build_range_check): Make sure to use a valid type to
8479 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8482 (range_predecessor): New static function.
8483 (range_successor): Likewise.
8484 (merge_ranges): Use them to compute predecessors and successors of
8487 2006-03-09 Roger Sayle <roger@eyesopen.com>
8490 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8491 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8493 2006-03-08 DJ Delorie <dj@redhat.com>
8495 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8496 (addpsi3): Expand to include memory operands. Remove
8497 reload-specific splits.
8498 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8499 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8500 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8501 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8502 (shift1_qi, shift1_hi, insv): New.
8503 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8504 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8505 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8507 * config/m32c/m32c-protos.h: Update as needed.
8508 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8509 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8510 Fail for unrecognized R* constraints.
8511 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8512 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8513 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8515 (m32c_init_libfuncs): New.
8516 (m32c_legitimate_address_p): Add debug wrapper.
8517 (m32c_rtx_costs): New.
8518 (m32c_address_cost): New.
8519 (conversions): Add 'B' prefix.
8520 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8521 operands, or word regnames for QI operands. 'B' prints bit
8523 (m32c_expand_setmemhi): New.
8524 (m32c_expand_movmemhi): New.
8525 (m32c_expand_movstr): New.
8526 (m32c_expand_cmpstr): New.
8527 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8528 (m32c_expand_neg_mulpsi3): Handle non-ints.
8529 (m32c_cmp_flg_0): New.
8530 (m32c_expand_movcc): New.
8531 (m32c_expand_insv): New.
8532 (m32c_scc_pattern): New.
8533 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8534 a0/a1 out of SIregs.
8535 (STORE_FLAG_VALUE): New.
8536 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8539 * config/m32c/mov.md: Make constraints more liberal.
8540 (zero_extendqihi2): Optimize r0/r1 case.
8541 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8542 * config/m32c/predicates.md (m32c_any_operand): New.
8543 (m32c_nonimmediate_operand): New.
8544 (m32c_hl_operand): New.
8545 (m32c_r3_operand): New.
8548 (memsym_operand): New.
8549 (memimmed_operand): New.
8550 (a_qi_operand): New.
8551 (m32c_eqne_operator): New.
8552 (m32c_1bit8_operand): New.
8553 (m32c_1bit16_operand): New.
8554 (m32c_1mask8_operand): New.
8555 (m32c_1mask16_operand): New.
8556 * config/m32c/blkmov.md: New file.
8557 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8559 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8561 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8562 unsigned to fix signed/unsigned comparison issue in
8563 DWARF2_FRAME_REG_OUT.
8564 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8565 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8567 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8568 of ptr into the ENABLE_CHECKING section.
8570 2006-03-08 Jeff Law <law@redhat.com>
8572 * tree-vrp.c (infer_value_range): Only count pointer uses
8573 and dereferences if -fdelete-null-pointer-checks is enabled.
8575 * tree-vrp.c (find_assert_locations): Infer value ranges for
8576 single use pointers, but do not create ASSERT_EXPRs for them.
8577 When a non-null range is inferred for a pointer, backwards
8578 propagate that range to other equivalent pointers through the
8581 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8584 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8585 language hook targets.
8586 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8587 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8588 if language hook targets were missing.
8590 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8592 * tree-ssa-opfinalize.h: Removed.
8593 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8595 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8596 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8597 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8598 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8599 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8600 finalize_ssa_v_must_def_ops): New.
8602 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8604 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8607 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8609 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8611 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8612 addresses with offsets; reorganize.
8614 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8615 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8616 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8618 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8621 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8623 2006-03-08 Ben Elliston <bje@au.ibm.com>
8625 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8627 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8630 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8633 2006-03-07 Richard Guenther <rguenther@suse.de>
8635 PR tree-optimization/26587
8636 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8638 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8640 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8642 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8644 * hooks.c (hook_bool_mode_rtx_true): New function.
8645 * hooks.h (hook_bool_mode_rtx_true): Declare.
8646 * toplev.c (compile_file): Call output_shared_constant_pool.
8647 * varasm.c (shared_constant_pool): New variable.
8648 (assemble_start_function, assemble_end_function): Remove arguments
8649 from call to output_constant_pool.
8650 (create_constant_pool): New function, split out from...
8651 (init_varasm_status): ...here.
8652 (force_const_mem): Choose between the shared and per-function constant
8653 pools. Set current_function_uses_const_pool when reusing old entries
8654 as well as when creating new ones.
8655 (mark_constant): Ignore data argument.
8656 (mark_constants): Remove pool argument.
8657 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8658 to decide whether the function uses a constant pool.
8659 (output_constant_pool_contents): New function, split out from...
8660 (output_constant_pool): ...here.
8661 (output_shared_constant_pool): New function.
8662 (init_varasm_once): Initialize shared_constant_pool.
8663 * output.h (output_constant_pool): Delete.
8664 (output_shared_constant_pool): Declare.
8665 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8666 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8668 2006-03-06 Nick Clifton <nickc@redhat.com>
8670 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8671 flag_strength_reduce.
8673 2006-03-06 Ben Elliston <bje@au.ibm.com>
8675 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8676 x86_64-*-linux* configurations.
8678 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8679 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8681 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8683 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8685 * basic-block.h: Remove the extern for
8686 rediscover_loops_after_threading.
8688 * cfgloop.c (cancel_loop): Make it static.
8689 * cfgloop.h: Remove the prototype for cancel_loop.
8691 * flow.c (recompute_reg_usage): Make it static.
8692 * rtl.h: Remove the prototype for recompute_reg_usage.
8694 * function.c (use_return_register): Make it static.
8695 * function.h: Remove the prototype.
8697 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8699 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8701 * recog.h: Remove the prototype for
8702 validate_change_maybe_volatile.
8704 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8706 * rtlanal.c (replace_reg): Remove.
8707 * rtl.h: Remove the prototype for replace_reg.
8709 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8711 * regclass.c (reg_scan_update): Remove.
8712 (reg_scan_mark_refs): Remove the last argument.
8713 * rtl.h: Remove the prototype for reg_scan_update.
8715 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8717 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8718 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8719 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8720 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8721 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8722 loop-invariant.c, omp-low.c, opts.c, passes.c,
8723 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8724 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8725 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8726 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8727 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8728 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8730 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8732 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8733 * dwarf2out.h: Remove the prototype for
8734 dwarf2out_add_library_unit_info.
8736 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8738 * tree.c (add_var_to_bind_expr): Remove.
8739 * tree.h: Remove the prototype for add_var_to_bind_expr.
8741 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8743 * regclass.c (n_non_fixed_regs): Remove.
8744 (init_reg_sets_1, globalize_reg): Remove all uses of
8746 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8748 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8750 * rtlanal.c (insns_safe_to_move_p): Remove.
8751 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8753 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8755 * expmed.c (expand_mult_add): Remove.
8756 * expr.h: Remove the prototype for expand_mult_add.
8758 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8760 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8761 and REG_SAVED_VAL_EXP constants.
8762 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8763 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8764 Handle regs stored by value.
8765 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8766 (execute_cfa_program): Handle DW_CFA_val_offset,
8767 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8768 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8769 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8770 (uw_install_context_1): Handle target regs stored by value.
8772 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8774 * tree-sra.c (tree_sra): Return todoflags;
8775 (generate_one_element): Set TODO_update_smt_usage if needed.
8776 (pass_sra): Remove TODO_update_smt_usage.
8777 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8779 (tree_ssa_forward_propagate_single_use_vars): Return
8780 TODO_update_smt_usage if we need to update SMT usage.
8781 (pass_forwprop): Remove TODO_update_smt_usage.
8783 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8785 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8786 (correct_use_link): Remove reference to get_stmt_operands.
8787 (update_stmt_operands): Likewise.
8788 (get_modify_expr_operands): New function factored out of
8789 parse_ssa_operands and get_expr_operands.
8790 Try to create V_MUST_DEFs for LHS by default.
8791 (get_expr_operands) <case MODIFY_EXPR>: Call
8792 get_modify_expr_operands.
8793 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8794 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8795 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8796 get_modify_expr_operands.
8798 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8800 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8801 * tree-flow.h: Remove the prototype for
8802 referenced_var_lookup_if_exists.
8804 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8806 PR rtl-optimization/26345
8808 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8810 2006-03-03 Roger Sayle <roger@eyesopen.com>
8812 PR tree-optimization/26524
8813 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8814 fold_convert to create a constant of the appropriate type.
8816 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8818 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8819 SYMBOL_REF_IN_BLOCK_P.
8820 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8821 of SYMBOL_FLAG_IN_BLOCK.
8822 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8823 instead of SYMBOL_REF_IN_BLOCK_P.
8824 * explow.c (use_anchored_address): Likewise.
8825 * rtl.c (rtx_size): Likewise.
8826 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8827 instead of SYMBOL_FLAG_IN_BLOCK.
8828 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8829 SYMBOL_REF_IN_BLOCK_P.
8830 (assemble_variable): Likewise.
8831 (output_constant_def_contents): Likewise.
8832 (output_constant_pool): Likewise.
8833 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8834 instead of SYMBOL_FLAG_IN_BLOCK.
8835 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8836 SYMBOL_REF_IN_BLOCK_P.
8837 (SYMBOL_REF_BLOCK): Likewise.
8838 (SYMBOL_REF_OFFSET): Likewise.
8839 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8840 SYMBOL_REF_IN_BLOCK_P.
8841 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8842 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8843 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8844 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8846 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8848 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8850 2006-03-02 Roger Sayle <roger@eyesopen.com>
8852 * simplify-rtx.c (simplify_unary_operation): When simplifying
8853 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8854 that we perform the right shift in the appropriate mode, and
8855 then extend or truncate the result to requested mode.
8857 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8859 * gengtype.c (main): Handle double_int type.
8860 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8861 * double-int.c: New file.
8862 * double-int.h: New file.
8863 * system.h: Include doubleint.h.
8864 * Makefile.in (SYSTEM_H): Include double-int.h.
8865 (double-int.o): Add.
8867 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8870 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8873 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8875 * tree-vrp.c (remove_range_assertions): Do not update statements
8878 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8880 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8882 * gcse.c (rest_of_handle_gcse): Ditto.
8883 * except.c (gate_handle_eh): Ditto.
8884 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8885 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8887 2006-03-02 Eric Christopher <echristo@apple.com>
8889 * config/i386/i386.c (machopic_output_stub): Add indirection to
8892 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8896 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8898 Sun Niagara specific optimizations.
8899 * config.gcc: Recognize niagara as target.
8900 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8901 (TARGET_CPU_niagara): Define.
8902 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8903 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8904 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8905 (ASM_CPU_SPEC): Likewise.
8906 (PROCESSOR_NIAGARA): New enum entry.
8907 (REGISTER_MOVE_COST): Handle Niagara.
8908 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8909 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8910 (sparc_override_options): Recognize "niagara", set appropriate
8911 default MASK_* values for it, and align functions to 32-bytes
8912 by default just like ULTRASPARC/ULTRASPARC3.
8913 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8914 (sparc64_initialize_trampoline): Likewise.
8915 (sparc_use_sched_lookahead): Use zero for niagara.
8916 (sparc_issue_rate): Use one for niagara.
8917 * config/sparc/niagara.md: New file.
8918 * config/sparc/sparc.md: Include it.
8919 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8920 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8921 when default cpu is niagara.
8922 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8923 (ASM_CPU_SPEC): Likewise.
8924 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8925 when default cpu is niagara.
8926 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8927 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8928 just like v9/ultrasparc/ultrasparc3.
8929 * doc/invoke.texi: Add documentation for "niagara" and improve
8930 existing documentation for ultrasparc variants.
8932 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8934 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8936 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8938 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8939 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8940 and say that only one is needed.
8941 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8942 * target.h (have_switchable_bss_sections): New hook.
8943 * explow.c (use_anchored_address): Check that the symbol is in a block.
8944 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8945 (bss_noswitch_section): New variables.
8946 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8947 (get_noswitch_section): New function.
8948 (get_block_for_section): Allow SECT to be null.
8949 (unlikely_text_section_p): Use SECTION_STYLE.
8950 (bss_initializer_p): New function.
8951 (get_variable_section): Move earlier in file. Take a new argument,
8952 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8953 Return one of the new *_sections in such cases.
8954 (get_block_for_decl): New function, extracting some logic from
8955 use_blocks_for_decl_p.
8956 (change_symbol_section): Remove in favor of...
8957 (change_symbol_block): ...this new function.
8958 (use_blocks_for_decl_p): Remove checks now performed by
8960 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8961 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8962 (emit_local, emit_bss, emit_common): ...these new functions.
8963 Return true if the alignment was honored.
8964 (emit_tls_common): New function.
8965 (asm_emit_uninitialised): Delete.
8966 (assemble_variable_noswitch): New function, split out from...
8967 (assemble_variable): ...here. Don't make decisions about common
8968 variables here. Globalize all public decls that go into non-common
8969 sections. Check whether SYMBOL_REF_BLOCK is null.
8970 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8971 (output_constant_pool): Likewise.
8972 (init_varasm_once): Initialize the new section variables.
8973 (have_global_bss_p): New function.
8974 (categorize_decl_for_section): Use bss_initializer_p.
8975 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8976 (place_block_symbol): Assert that the symbol must be in a block.
8977 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8978 (TARGET_INITIALIZER): Include it.
8979 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8980 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8981 (SECTION_MACH_DEP): Bump by two.
8982 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8983 (unnamed_section): Mention SECTION_UNNAMED in comment.
8984 (named_section): Likewise SECTION_NAMED.
8985 (noswitch_section_callback): New type.
8986 (noswitch_section): New structure.
8987 (section): Add a noswitch_section alternative.
8988 (SECTION_STYLE): New macro.
8989 (tls_comm_section, comm_section, lcomm_section): Declare.
8990 (bss_noswitch_section, have_global_bss_p): Declare.
8991 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8992 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8994 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8995 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8998 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9000 * tree-vrp.c (execute_vrp): Return value.
9001 * regrename.c (rest_of_handle_regrename): Ditto.
9002 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9003 * tree-complex.c (tree_lower_complex): Ditto.
9004 (tree_lower_complex_O0): Ditto.
9005 * tracer.c (rest_of_handle_tracer): Ditto.
9006 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9007 * postreload.c (rest_of_handle_postreload): Ditto.
9008 * tree-tailcall.c (execute_tail_recursion): Ditto.
9009 (execute_tail_calls): Ditto.
9010 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9011 * tree.h (init_function_for_compilation): Ditto.
9012 * ipa-cp.c (ipcp_driver): Ditto.
9013 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9014 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9015 * final.c (compute_alignments): Ditto.
9016 (rest_of_handle_final): Ditto.
9017 (rest_of_handle_shorten_branches): Ditto.
9018 (rest_of_clean_state): Ditto.
9019 * omp-low.c (execute_expand_omp): Ditto.
9020 (execute_lower_omp): Ditto.
9021 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9022 * ipa-reference.c (static_execute): Ditto.
9023 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9024 * reorg.c (rest_of_handle_delay_slots): Ditto.
9025 (rest_of_handle_machine_reorg): Ditto.
9026 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9027 * flow.c (recompute_reg_usage): Ditto.
9028 (rest_of_handle_remove_death_notes): Ditto.
9029 (rest_of_handle_life): Ditto.
9030 (rest_of_handle_flow2): Ditto.
9031 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9032 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9033 (do_ssa_store_ccp): Ditto.
9034 (execute_fold_all_builtins): Ditto.
9035 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9036 * modulo-sched.c (rest_of_handle_sms): Ditto.
9037 * ipa-pure-const.c (static_execute): Ditto.
9038 * cse.c (rest_of_handle_cse): Ditto.
9039 (rest_of_handle_cse2): Ditto.
9040 * web.c (rest_of_handle_web): Ditto.
9041 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9042 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9043 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9044 * tree-nrv.c (tree_nrv): Ditto.
9045 (execute_return_slot_opt): Ditto.
9046 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9047 (create_structure_vars): Ditto.
9048 * loop-init.c (rtl_loop_init): Ditto.
9049 (rtl_loop_done): Ditto.
9050 (rtl_move_loop_invariants): Ditto.
9051 (rtl_unswitch): Ditto.
9052 (rtl_unroll_and_peel_loops): Ditto.
9053 (rtl_doloop): Ditto.
9054 * gimple-low.c (lower_function_body): Ditto.
9055 (mark_used_blocks): Ditto.
9056 * tree-ssa-sink.c (execute_sink_code): Ditto.
9057 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9058 (cgraph_early_inlining): Ditto.
9059 * global.c (rest_of_handle_global_alloc): Ditto.
9060 * jump.c (cleanup_barriers): Ditto.
9061 (purge_line_number_notes): Ditto.
9062 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9063 (rest_of_handle_if_after_reload): Ditto.
9064 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9065 (tree_ssa_loop_im): Ditto.
9066 (tree_ssa_loop_unswitch): Ditto.
9067 (tree_vectorize): Ditto.
9068 (tree_linear_transform): Ditto.
9069 (tree_ssa_loop_ivcanon): Ditto.
9070 (tree_ssa_empty_loop): Ditto.
9071 (tree_ssa_loop_bounds): Ditto.
9072 (tree_complete_unroll): Ditto.
9073 (tree_ssa_loop_prefetch): Ditto.
9074 (tree_ssa_loop_ivopts): Ditto.
9075 (tree_ssa_loop_done): Ditto.
9076 * predict.c (tree_estimate_probability): Ditto.
9077 * recog.c (split_all_insns_noflow): Ditto.
9078 (rest_of_handle_peephole2): Ditto.
9079 (rest_of_handle_split_all_insns): Ditto.
9080 * tree-eh.c (lower_eh_constructs): Ditto.
9081 * regmove.c (rest_of_handle_regmove): Ditto.
9082 (rest_of_handle_stack_adjustments): Ditto.
9083 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9084 * function.c (instantiate_virtual_regs): Ditto.
9085 (init_function_for_compilation): Ditto.
9086 (rest_of_handle_check_leaf_regs): Ditto.
9087 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9088 (rest_of_handle_gcse): Ditto.
9089 * ipa-type-escape.c (type_escape_execute): Ditto.
9090 * alias.c (rest_of_handle_cfg): Ditto.
9091 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9092 * profile.c (rest_of_handle_branch_prob): Ditto.
9093 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9094 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9095 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9096 * tree-dfa.c (find_referenced_vars): Ditto.
9097 * except.c (set_nothrow_function_flags): Ditto.
9098 (convert_to_eh_region_ranges): Ditto.
9099 (rest_of_handle_eh): Ditto.
9100 * emit-rtl.c (unshare_all_rtl): Ditto.
9101 (remove_unnecessary_notes): Ditto.
9102 * except.h (set_nothrow_function_flags): Ditto.
9103 (convert_to_eh_region_ranges): Ditto.
9104 * cfgexpand.c (tree_expand_cfg): Ditto.
9105 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9106 * tree-ssa-pre.c (do_pre): Ditto.
9107 (execute_fre): Ditto.
9108 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9109 (rest_of_handle_jump2): Ditto.
9110 * tree-sra.c (tree_sra): Ditto.
9111 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9112 (execute_mudflap_function_decls): Ditto.
9113 * tree-ssa-copy.c (do_copy_prop): Ditto.
9114 (do_store_copy_prop): Ditto.
9115 * ipa-prop.h (ipcp_driver): Ditto.
9116 * cfglayout.c (insn_locators_initialize): Ditto.
9117 * tree-ssa-forwprop.c
9118 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9119 * cfglayout.h (insn_locators_initialize): Ditto.
9120 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9121 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9122 (execute_late_warn_uninitialized): Ditto.
9123 * rtl.h (cleanup_barriers): Ditto.
9124 (split_all_insns_noflow): Ditto.
9125 (purge_line_number_notes): Ditto.
9126 (unshare_all_rtl): Ditto.
9127 (remove_unnecessary_notes): Ditto.
9128 (recompute_reg_usage): Ditto.
9129 (variable_tracking_main): Ditto.
9130 * integrate.c (emit_initial_value_sets): Ditto.
9131 * integrate.h (emit_initial_value_sets): Ditto.
9132 * tree-optimize.c (execute_free_datastructures): Ditto
9133 (execute_free_cfg_annotations): Ditto.
9134 (execute_fixup_cfg): Ditto.
9135 (execute_cleanup_cfg_pre_ipa): Ditto.
9136 (execute_cleanup_cfg_post_optimizing): Ditto.
9137 (execute_init_datastructures): Ditto.
9138 * tree-object-size.c (compute_object_sizes): Ditto.
9139 * combine.c (rest_of_handle_combine): Ditto.
9140 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9141 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9142 (rest_of_handle_reorder_blocks): Ditto.
9143 (rest_of_handle_partition_blocks): Ditto.
9144 * var-tracking.c (variable_tracking_main): Ditto.
9145 * tree-profile.c (tree_profiling): Ditto.
9146 * tree-vect-generic.c (expand_vector_operations): Ditto.
9147 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9148 * sched-rgn.c (rest_of_handle_sched): Ditto.
9149 (rest_of_handle_sched2): Ditto.
9150 * basic-block.h (free_bb_insn): Ditto.
9151 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9152 * tree-cfg.c (execute_build_cfg): Ditto.
9153 (remove_useless_stmts): Ditto.
9154 (split_critical_edges): Ditto.
9155 (execute_warn_function_return): Ditto.
9156 (execute_warn_function_noreturn): Ditto.
9157 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9158 * cfgrtl.c (free_bb_for_insn): Ditto.
9159 * passes.c (execute_one_pass): Run additional
9160 todos returned by execute function.
9161 * tree-pass.h (struct tree_opt_pass): Make execute
9164 2006-03-02 Richard Guenther <rguenther@suse.de>
9166 * tree-ssa-alias.c (find_used_portions): Consider taking
9167 the address as making the variable not write-only.
9169 2006-03-02 Nick Clifton <nickc@redhat.com>
9171 * config.gcc (default_use_cxa_atexit): Extend the description of
9172 this configure variable. Set its default value to "yes" for
9173 Linux, NetBSD and ELF targets on the assumption that they will
9174 use C libraries with the __cxa_atexit function.
9176 2006-03-02 Ben Elliston <bje@au.ibm.com>
9178 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9179 parameter as unused to suppress a build warning.
9181 2006-03-02 Ben Elliston <bje@au.ibm.com>
9183 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9186 2006-03-01 Roger Sayle <roger@eyesopen.com>
9189 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9190 declared name, the weak reference name, and the typeof name.
9191 (__gthrw): Avoid expanding the declared name suffix.
9192 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9194 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9196 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9198 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9199 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9200 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9201 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9202 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9203 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9204 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9205 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9206 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9207 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9208 (DW_END_default, DW_END_big, DW_END_little): New.
9209 (DW_END_lo_user, DW_END_hi_user): Define.
9210 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9211 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9212 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9215 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9217 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9219 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9221 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9223 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9225 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9226 to 'symbol_mem_tag'.
9228 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9231 2006-03-01 Roger Sayle <roger@eyesopen.com>
9233 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9235 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9238 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9239 MACHO_DYNAMIC_NO_PIC_P.
9240 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9242 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9245 * config/darwin-protos.h (darwin_asm_output_anchor):
9247 * config/darwin-sections.def (cstring_section):
9248 Add SECTION_MERGE to the flags.
9249 (literal4_section): Likewise.
9250 (literal8_section): Likewise.
9251 (objc_selector_refs_section): Likewise.
9252 (objc_cls_refs_section): Likewise.
9253 * config/darwin.c (darwin_asm_output_anchor): New
9255 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9257 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9259 Fix PR tree-optimization/26443
9260 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9261 to todo and PROP_tmt_usage to properties_destroyed.
9262 * tree-ssa-ccp.c (pass_ccp): Ditto.
9263 (pass_store_ccp): Ditto.
9264 * tree-ssa-dom.c (pass_dominator): Ditto.
9266 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9268 * tree-ssa-operands.c: Cleanup whitespace.
9269 (get_asm_expr_operands): Move before first invocation.
9270 (get_indirect_ref_operands): Likewise.
9271 (get_tmr_operands): Likewise.
9272 (get_call_expr_operands): Likewise.
9273 (append_def): Likewise.
9274 (append_use): Likewise.
9275 (append_v_may_def): Likewise.
9276 (append_v_must_def): Likewise.
9277 (add_call_clobber_ops): Likewise.
9278 (add_call_read_ops): Likewise.
9279 (add_stmt_operand): Likewise.
9280 (add_virtual_operand): Likewise.
9281 (build_ssa_operands): Likewise.
9283 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9288 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9289 with a call expr to ...
9290 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9292 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9294 * tree-vrp.c (extract_range_from_assert): Remove special
9295 handling for types with super-types.
9297 2006-03-01 Ben Elliston <bje@au.ibm.com>
9299 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9300 and powerpc64-*-linux* configurations.
9301 * config/t-dfprules: New file.
9303 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9304 Compile dfp-bit.c from the source directory using -DWIDTH and
9305 $DFP_CFLAGS to control the compilation of that file, rather than
9306 generating width-specific versions in the build directory.
9307 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9308 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9310 2006-02-28 Zack Weinberg <zackw@panix.com>
9312 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9315 2006-02-28 Eric Christopher <echristo@apple.com>
9317 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9318 Set up IN_LIBGCC definition of TARGET_64BIT.
9319 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9321 2006-02-28 Roger Sayle <roger@eyesopen.com>
9324 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9325 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9326 cases via the construction of "expr != 0".
9328 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9330 * alias.c (alias_invariant, alias_invariant_size): Remove.
9331 (record_base_value): Remove.
9332 (memrefs_conflict_p): Don't look at alias_invariant.
9333 (end_alias_analysis): Don't free it.
9334 * alias.h (record_base_value): Remove prototype.
9336 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9337 Adam Nemet <anemet@caviumnetworks.com>
9339 * rtl.h (truncated_to_mode): Declare it.
9340 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9341 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9342 (RTL_HOOKS_INITIALIZER): Include it.
9343 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9344 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9345 reg_truncated_to_mode.
9346 * rtlanal.c (truncated_to_mode): Define it.
9347 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9349 2006-02-28 Jeff Law <law@redhat.com>
9351 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9352 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9353 the range allowed by TYPE_PRECISION.
9355 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9357 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9359 PR tree-optimization/26419
9360 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9363 2006-02-27 Zack Weinberg <zackw@panix.com>
9365 * doc/md.texi: Fix typo in previous change.
9367 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9371 2006-02-27 Zack Weinberg <zackw@panix.com>
9373 * rtl.def (define_constraint, define_register_constraint)
9374 (define_memory_constraint, define_address_constraint): New MD forms.
9375 * gensupport.c (process_rtx): Put define_constraint etc on the
9377 * genpreds.c (process_define_predicate): Adjust comment. Validate
9378 the name, and call validate_exp to validate the expression.
9379 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9380 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9381 all callers changed.
9382 (validate_exp, needs_variable, struct constraint_data)
9383 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9384 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9385 (const_dbl_constraints, constraint_max_namelen)
9386 (have_register_constraints, have_memory_constraints)
9387 (have_address_constraints, have_address_constraints)
9388 (have_extra_constraints, have_const_int_constraints)
9389 (have_const_dbl_constraints, mangle, add_constraint)
9390 (process_define_constraint, process_define_register_constraint)
9391 (write_enum_constraint_num, write_lookup_constraint)
9392 (write_insn_constraint_len, write_regclass_for_constraint)
9393 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9394 (write_insn_extra_memory_constraint)
9395 (write_insn_extra_address_constraint)
9396 (write_satisfies_constraint_fns): New.
9397 (write_tm_preds_h): If we have new-style constraint definitions,
9398 prototype the functions generated from them, and define the
9399 old constraint interface (still used by generic code) in terms of
9401 (write_insn_preds_c): If we have new-style constraint definitions,
9402 generate all relevant functions from those definitions.
9403 (main): Handle define_constraint etc.
9404 * genoutput.c (struct constraint_data, indep_constraints)
9405 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9406 (mdep_constraint_len): New data structures and functions, defined
9407 #ifdef USE_MD_CONSTRAINTS.
9408 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9409 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9410 use new logic to validate operand constraints against constraint
9412 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9414 * defaults.h: If none of the old-style constraint macros are
9415 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9416 old-style macros; and poison REG_CLASS_FROM_LETTER,
9417 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9419 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9420 * doc/md.texi: Document new constraint-definition mechanism and the
9421 C interface it provides. Remove references to old mechanism
9422 elsewhere in the document.
9423 (Machine Constraints): Use pathnames relative to gcc directory,
9424 i.e. config/ARCH/FILE. Change i386 section to refer to
9425 config/i386/predicates.md; update that section to match docstrings.
9426 * doc/tm.texi: Move all documentation of the old constraint-
9427 definition macros to their own section, clearly mark as obsolete.
9429 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9430 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9432 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9433 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9434 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9436 (splits and peepholes): Use satisfies_constraint_*.
9437 * config/i386/i386.c (memory_address_length)
9438 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9440 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9442 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9443 scalar operation to be put back into the loop.
9445 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9448 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9449 (extract_cie_info): Handle S flag in augmentation string.
9450 (execute_cfa_program): If context->signal_frame, execute also
9451 fs->pc == context->ra instructions.
9452 (uw_frame_state_for): If context->signal_frame, don't subtract one
9453 from context->ra to find FDE.
9454 (uw_update_context_1): Set context->signal_frame to
9456 (_Unwind_GetIPInfo): New function.
9457 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9458 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9460 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9461 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9462 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9463 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9464 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9465 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9466 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9467 x86_64_fallback_frame_state): Set fs->signal_frame.
9468 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9469 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9470 (frob_update_context): Likewise. Workaround missing S flag in
9471 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9472 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9473 Remove the psw_addr + 1 hack.
9475 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9477 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9478 with aggregates here.
9479 (find_func_aliases): Remove code for &<aggregate> from here.
9481 2006-02-26 Roger Sayle <roger@eyesopen.com>
9483 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9484 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9485 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9488 2006-02-26 Roger Sayle <roger@eyesopen.com>
9491 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9493 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9495 * opts.c (decode_options): Do not handle flag_strength_reduce.
9496 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9497 and OPT_fstrength_reduce.
9498 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9499 flag_prefetch_loop_arrays for being nonzero.
9500 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9502 (fprefetch-loop-arrays-rtl): Removed.
9503 (flag_prefetch_loop_arrays): Do not specify the value.
9505 * doc/passes.texi: Update documentation of loop optimizer
9507 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9508 -frerun-loop-opt): Remove.
9510 2006-02-26 Richard Guenther <rguenther@suse.de>
9512 PR tree-optimization/26421
9513 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9514 in function calls that are ADDR_EXPRs as using the whole structure.
9516 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9518 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9519 * tree-pass.h (pass_loop_optimize): Remove.
9520 * passes.c (pass_loop_optimize): Never run it.
9521 * toplev.c (backend_init): Don't call init_loop.
9522 * opts.c (flag_loop_optimize_set): Remove.
9523 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9524 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9525 the old RTL loop optimizer when profiling enabled.
9526 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9527 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9528 pre-headers for the sake of the old RTL loop optimizer.
9529 * Makefile.in: Remove all references to loop.o.
9531 * doc/invoke.texi: Remove all references to -floop-optimize
9532 and -frerun-loop-opt.
9534 2006-02-26 Zack Weinberg <zackw@panix.com>
9536 * doc/md.texi (Machine Constraints): Refer to all files with paths
9537 relative to gcc directory (i.e. config/CPU/file). Add missing
9538 @table @code ... @end table to M32C subsection.
9540 2006-02-26 Roger Sayle <roger@eyesopen.com>
9542 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9544 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9546 2006-02-26 Roger Sayle <roger@eyesopen.com>
9547 James A. Morrison <phython@gcc.gnu.org>
9550 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9551 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9552 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9553 signedness of the shift operation.
9555 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9557 PR tree-optimization/26359
9558 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9560 2006-02-25 Roger Sayle <roger@eyesopen.com>
9562 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9563 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9564 as X == 0, and some symmetry related transformations.
9565 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9567 2006-02-25 Roger Sayle <roger@eyesopen.com>
9570 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9571 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9572 symmetry related transformations. Fold (X^C1) == C2 as
9575 2006-02-25 Juergen Weigert <jw@suse.de>
9576 Richard Guenther <rguenther@suse.de>
9578 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9580 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9582 * combine.c (gen_lowpart_or_truncate): Call
9583 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9585 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9587 * doc/invoke.texi: Move -fopenmp description to "Options for
9589 Remove reference to -lgomp.
9591 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9593 * doc/install.texi: Require GNU tar version 1.14.
9595 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9597 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9598 * doc/invoke.texi (C++ Dialect Options): Document
9599 -fno-use-cxa-get-exception-ptr.
9600 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9601 * configure: Regenerate.
9602 * c.opt (fuse-cxa-get-exception-ptr): New.
9603 * c-opts.c (c_common_handle_option): Handle
9604 OPT_fuse_cxa_get_exception_ptr.
9605 * c-common.c (flag_use_cxa_atexit): Update documentation.
9606 (flag_use_cxa_get_exception_ptr): New.
9607 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9608 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9610 (C_COMMON_OVERRIDE_OPTIONS): New.
9612 2006-02-24 Roger Sayle <roger@eyesopen.com>
9615 * combine.c (try_combine): Explicitly check whether GET_CODE is
9616 a SET or a CLOBBER, instead on checking that it isn't a USE.
9618 2006-02-24 Roger Sayle <roger@eyesopen.com>
9620 * fold-const.c (fold_comparison): New subroutine of fold_binary
9621 containing transformations common to both the equality and
9622 ordering relational operators, factored out of fold_binary.
9623 (fold_binary): Separate out the equality operators (EQ_EXPR
9624 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9625 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9626 transformations common to both.
9627 (fold_div_compare): Fix latent bugs in the previously unreachable
9628 LT_EXPR and GE_EXPR cases.
9630 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9632 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9633 decl libname for clog to __clog on AIX.
9635 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9637 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9640 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9641 output traceback table for thunks. Localise rs6000_stack_info call.
9643 2006-02-23 Roger Sayle <roger@eyesopen.com>
9644 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9646 * gthr-posix.h (__gthrw): Fix typo in comment.
9648 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9650 * doc/cpp.texi (Character sets): Document that we do support
9651 input files to be in any character set.
9653 2006-02-23 Jeff Law <law@redhat.com>
9655 * tree.h (PHI_ARG_NONZERO): Remove.
9656 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9657 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9658 node to the new node.
9660 PR tree-optimization/26425
9661 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9662 min/max, then assume its varying.
9664 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9666 PR rtl-optimization/26316
9667 * rtlanal.c (enum may_trap_p_flags): New.
9668 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9669 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9670 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9671 (may_trap_after_code_motion_p): New function.
9672 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9673 (find_invariant_insn): Use may_trap_after_code_motion_p.
9674 * rtl.h (may_trap_after_code_motion_p): Declare.
9676 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9678 * emit-rtl.c (immed_double_const): Cleanup.
9680 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9682 Fix PR tree-optimization/26376
9683 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9686 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9689 * gimplify.c (omp_add_variable): Guard variable size decl test with
9690 DECL_SIZE (decl) check.
9692 2006-02-23 Richard Guenther <rguenther@suse.de>
9695 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9696 like aggregate types.
9698 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9700 * configure.ac: Add --with{,out}-long-double-128 configure option.
9701 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9702 * configure: Rebuilt.
9703 * config.in: Rebuilt.
9704 * doc/install.texi (Options specification): Document
9705 --with-long-double-128.
9707 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9708 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9709 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9710 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9712 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9714 * config/s390/s390.c (override_options): Handle
9715 TARGET_DEFAULT_LONG_DOUBLE_128.
9717 * config/alpha/alpha.c (override_options): Handle
9718 TARGET_DEFAULT_LONG_DOUBLE_128.
9720 * config/sparc/sparc.c (sparc_override_options): Handle
9721 TARGET_DEFAULT_LONG_DOUBLE_128.
9723 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9725 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9726 (real-install-headers-tar, real-install-headers-cpio)
9727 (real-install-headers-cp): New targets.
9729 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9731 * tree.h (variable_section): Delete.
9732 * varasm.c (variable_section): Delete.
9734 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9736 * install.texi: Add notes on install.texi2html.
9737 (Building in parallel): Do not use footnotes.
9739 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9742 * doc/install.texi (Configuration): Document --disable-libgomp.
9744 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9746 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9748 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9750 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9751 (vec_extractv2df_0_sse): New.
9753 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9755 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9756 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9757 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9758 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9759 to the result of the expression.
9760 (def_cfa_1): Adjust.
9761 (frame_pointer_cfa_offset): Rename to...
9762 (frame_pointer_fb_offset): ... this. Adjust all uses.
9763 (convert_cfa_to_loc_list): Rename to...
9764 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9765 Pass it on to build_cfa_loc.
9766 (compute_frame_pointer_to_cfa_displacement): Rename to...
9767 (compute_frame_pointer_to_fb_displacement): ... this. New
9768 offset parameter. Use it in computation.
9769 (gen_subprogram_die): Compute cfa_fb_offset with the new
9770 macro, and use it to compute the fb loc list and the
9773 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9775 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9776 replaced with register_operand.
9777 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9778 non-DREG is expensive.
9779 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9780 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9783 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9785 * doc/install.texi2html: Use set -e.
9787 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9789 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9790 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9791 * doc/invoke.texi (-fshared-data): Delete.
9792 * common.opt (fshared-data): Delete.
9793 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9794 (assemble_static_space): Remove #if 0 code.
9795 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9796 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9797 * config/cris/cris.h: Remove FIXME.
9799 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9801 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9804 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9807 * combine.c (simplify_shift_const_1): Disable nested shifts
9808 optimization for vector shifts.
9810 2006-02-20 Roger Sayle <roger@eyesopen.com>
9812 PR tree-optimization/26361
9813 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9814 of unsigned integer types.
9816 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9818 * tree-chrec.c (eq_evolutions_p): New.
9819 * tree-chrec.h (eq_evolutions_p): Declared.
9820 * tree-data-ref.c: Fix formatting.
9821 (datadep_stats, dependence_stats): New.
9823 (print_direction_vector): New.
9824 (dump_data_dependence_relation): Use print_direction_vector.
9825 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9826 (compute_subscript_distance): Static.
9827 (initialize_data_dependence_relation): Static. Get the number
9828 of loops surrounding the references from the callers, and initialize
9829 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9830 base_object_differ_p analyzers.
9831 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9832 compute_overlap_steps_for_affine_1_2,
9833 analyze_subscript_affine_affine): Count the classified dependences.
9834 Print a message when a test failed.
9835 (can_use_analyze_subscript_affine_affine): New.
9836 (analyze_siv_subscript): Compute the data dependences on symbolic
9837 scevs that verify can_use_analyze_subscript_affine_affine.
9838 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9839 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9840 Handle symbolic scevs.
9841 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9843 (subscript_dependence_tester): Moved...
9844 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9845 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9846 DDR_SIZE_VECT instead of getting it in parameter.
9847 (subscript_dependence_tester): ... here. Take as a parameter
9848 loop_nest_depth. Call build_classic_dist_vector and
9849 build_classic_dir_vector.
9850 (compute_affine_dependence): Update subscript_dependence_tester
9851 parameters. Update datadep_stats counters. Call
9852 compute_subscript_distance.
9853 (compute_self_dependence): Save the dist and dir vectors. Call
9854 compute_subscript_distance.
9855 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9856 (compute_all_dependences): Reorder parameters as they were before
9857 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9858 compute_subscript_distance. Update the use of
9859 compute_affine_dependence and initialize_data_dependence_relation.
9860 (find_data_references_in_loop): Handle COMPONENT_REF.
9861 (compute_data_dependences_for_loop): Initialize dependence_stats.
9862 Don't call build_classic_dist_vector and build_classic_dir_vector.
9863 Update the parameters of initialize_data_dependence_relation and
9864 compute_all_dependences. Print the statistics from datadep_stats.
9865 (analyze_all_data_dependences): Static. Not used until the pass for
9866 checking the data dependences is contributed.
9867 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9868 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9869 (initialize_data_dependence_relation, compute_affine_dependence,
9870 analyze_all_data_dependences, compute_subscript_distance): Removed.
9871 (print_direction_vector): New.
9872 * lambda.h (gcd): ... here.
9873 (lambda_vector_gcd): Moved here from gcd_vector.
9874 * lambda-code.c (gcd, gcd_vector): Removed.
9875 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9876 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9878 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9880 * ipa-type-escape.c: Tidy some comments and white space.
9881 * tree-ssa-operands.c: Likewise.
9883 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9886 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9887 (dump_decl_name): Do not walk the decl tree chains.
9888 * tree-pass.h (TDF_CHAIN): Remove.
9890 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9892 * Makefile.in (C): Remove
9894 (.PHONY): Remove C and PROTO
9896 2006-02-20 Roger Sayle <roger@eyesopen.com>
9899 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9900 deprecated CHAR_TYPE tree code.
9902 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9904 * configure.ac (target_list): Add install-info, dvi, html.
9905 * configure: Regenerate.
9907 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9908 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9909 treelang/Make-lang.in: Do not use double-colon rules.
9911 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9913 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9914 (TMT_USED_ALONE): New macro.
9915 * tree-pass.h (PROP_tmt_usage): New property.
9916 (TODO_update_tmt_usage): New todo.
9917 * tree-ssa-alias.c (updating_used_alone): New variable.
9918 (recalculate_used_alone): New function.
9919 (compute_may_aliases): Set updating_used_alone, call
9920 recalculate_used_alone.
9921 * tree-sra.c (pass_sra): Note that this pass destroys
9922 PROP_tmt_usage, and add TODO_update_tmt_usage.
9923 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9924 * tree-flow.h (updating_used_alone): Prototype.
9925 (recalculate_used_alone): Ditto.
9926 * passes.c (execute_todo): Add code to set updating_used_alone,
9927 and call recalculate.
9928 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9929 for clobber if used alone, and add assert to verify used_alone
9932 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9934 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9935 for non tls symbols added.
9936 (legitimize_address): Do nothing for PLUS expressions if one of the
9937 addends is a tls symbol reference.
9939 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9943 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9945 * Makefile.in (BOOTSTRAPPING): New.
9946 (quickstrap): New definition if BOOTSTRAPPING=yes.
9948 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9949 * configure.ac: Substitute all_selected_languages with the languages
9950 that were configured. For all the other variables except
9951 lang_specs_files, include all the languages in the tree.
9952 * configure: Regenerate.
9954 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9955 if there is one. Run the commands to run fixincludes in the same
9958 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9959 * doc/install.texi: Document exact conventions for searching target tools.
9960 Document --with-build-time-tools. Document toplevel bootstrap. Document
9961 something more about building an Ada cross-compiler. Don't list GNU Make
9962 requirements which affect all platforms.
9964 2006-02-19 Roger Sayle <roger@eyesopen.com>
9967 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9968 only equivalent if the have both the same mode and precision.
9970 2006-02-20 Ben Elliston <bje@au.ibm.com>
9972 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9974 2006-02-19 Roger Sayle <roger@eyesopen.com>
9975 Steven Bosscher <stevenb.gcc@gmail.com>
9977 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9978 constant pool references to identify stack mode constants.
9979 * rtlanal.c (constant_pool_constant_p): New predicate to check
9980 whether operand is a floating point constant in the pool.
9981 * rtl.h (constant_pool_constant_p): Prototype here.
9982 * loop.c (scan_loop): Avoid hoisting constants from the constant
9983 pool on STACK_REGS targets.
9984 (load_mems): Likewise.
9985 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9986 loads into x87 registers expensive in terms of register pressure.
9988 2006-02-19 Roger Sayle <roger@eyesopen.com>
9990 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9991 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9993 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9995 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9996 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9998 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10000 * doc/invoke.texi: Document -fipa-pta.
10001 * common.opt: Add ipa-pta option.
10002 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10003 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10004 (do_ds_constraint): Ditto.
10005 (get_constraint_for): Only add to referenced_vars if
10006 referenced_vars exists.
10007 (insert_into_field_list): Rewrite to do this unsorted.
10008 (insert_into_field_list_sorted): Rename old insert_into_field_list
10010 (create_function_info_for): Use insert_into_field_list_sorted.
10011 (create_variable_info_for): Rewrite so it uses unsorted version,
10012 since the field list is sorted.
10013 (intra_create_variable_infos): Only add to referenced_vars if
10014 referenced_vars exists.
10015 (ipa_pta_execute): Init heapvars, and delete when done.
10016 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10018 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10020 * doc/install.texi: Add missing `@samp'.
10022 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10024 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10027 2006-02-18 Mark Wielaard <mark@klomp.org>
10029 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10030 who added new 4.1 features, bug fixes and integration support.
10032 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10035 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10036 MEM for ABI_V4 pic.
10038 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10040 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10041 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10042 (copy_insn_1): Likewise. Don't copy each field individually.
10044 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10046 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10047 * rtl.c (rtx_size): Rename variable to...
10048 (rtx_code_size): ...this.
10049 (rtx_size): New function.
10050 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10051 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10053 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10054 * rtl.h (rtx_code_size): New variable.
10055 (rtx_size): Change from a variable to a function.
10056 (RTX_SIZE): Rename to...
10057 (RTX_CODE_SIZE): ...this.
10060 PR tree-optimization/17106
10061 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10062 (Anchored Addresses): New section.
10063 * doc/invoke.texi (-fsection-anchors): Document.
10064 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10065 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10066 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10067 * hooks.c (hook_bool_mode_rtx_false): New function.
10068 * hooks.h (hook_bool_mode_rtx_false): Declare.
10069 * gengtype.c (create_optional_field): New function.
10070 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10071 SYMBOL_REF_IN_BLOCK_P is true.
10072 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10073 (min_anchor_offset, max_anchor_offset): Likewise.
10074 (use_anchors_for_symbol_p): New hook.
10075 * toplev.c (compile_file): Call output_object_blocks.
10076 (target_supports_section_anchors_p): New function.
10077 (process_options): Check that -fsection-anchors is only used on
10078 targets that support it and when -funit-at-a-time is in effect.
10079 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10080 if the decl doesn't have one.
10081 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10082 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10083 of force_const_mem through use_anchored_address.
10084 (expand_expr_constant): New function.
10085 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10086 calling expand_expr for INDIRECT_REF.
10087 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10088 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10089 * expr.h (use_anchored_address): Declare.
10090 * loop-unroll.c: Don't declare rtx vectors here.
10091 * explow.c: Include output.h.
10092 (validize_mem): Call use_anchored_address.
10093 (use_anchored_address): New function.
10094 * common.opt (-fsection-anchors): New switch.
10095 * varasm.c (object_block_htab, anchor_labelno): New variables.
10096 (hash_section, object_block_entry_eq, object_block_entry_hash)
10097 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10098 (use_blocks_for_decl_p, change_symbol_section): New functions.
10099 (get_variable_section): New function, split out from assemble_variable.
10100 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10101 use_blocks_for_decl_p say so. Use change_symbol_section if the
10102 symbol has already been created.
10103 (assemble_variable_contents): New function, split out from...
10104 (assemble_variable): ...here. Don't output any code for
10105 block symbols; just pass them to place_block_symbol.
10106 Use get_variable_section and assemble_variable_contents.
10107 (get_constant_alignment, get_constant_section, get_constant_size): New
10108 functions, split from output_constant_def_contents.
10109 (build_constant_desc): Create a block symbol if use_object_blocks_p
10110 says so. Or into SYMBOL_REF_FLAGS.
10111 (assemble_constant_contents): New function, split from...
10112 (output_constant_def_contents): ...here. Don't output any code
10113 for block symbols; just pass them to place_section_symbol.
10114 Use get_constant_section and get_constant_alignment.
10115 (force_const_mem): Create a block symbol if use_object_blocks_p and
10116 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10117 (output_constant_pool_1): Add an explicit alignment argument.
10118 Don't switch sections here.
10119 (output_constant_pool): Adjust call to output_constant_pool_1.
10120 Switch sections here instead. Don't output anything for block symbols;
10121 just pass them to place_block_symbol.
10122 (init_varasm_once): Initialize object_block_htab.
10123 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10124 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10125 (place_block_symbol, get_section_anchor, output_object_block)
10126 (output_object_block_htab, output_object_blocks): New functions.
10127 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10128 (TARGET_ASM_OUT): Include it.
10129 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10130 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10131 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10132 (TARGET_INITIALIZER): Include them.
10133 * rtl.c (rtl_check_failed_block_symbol): New function.
10134 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10135 (block_symbol, object_block): New structures.
10136 (rtx_def): Add a block_symbol field to the union.
10137 (BLOCK_SYMBOL_CHECK): New macro.
10138 (rtl_check_failed_block_symbol): Declare.
10139 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10140 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10141 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10142 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10143 * output.h (output_section_symbols): Declare.
10144 (object_block): Name structure.
10145 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10146 (default_use_anchors_for_symbol_p): Declare.
10147 * Makefile.in (RTL_BASE_H): Add vec.h.
10148 (explow.o): Depend on output.h.
10149 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10150 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10151 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10152 (rs6000_use_blocks_for_constant_p): New function.
10154 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10156 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10158 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10161 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10164 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10166 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10170 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10172 PR middle-end/26334
10173 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10174 instead of DECL_REGISTER.
10176 2006-02-18 Olivier Hainque <hainque@adacore.com>
10179 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10181 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10184 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10185 * opth-gen.awk: Handle Var and InverseMask together.
10186 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10187 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10188 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10189 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10191 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10192 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10193 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10194 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10195 LINUX_DYNAMIC_LINKER): Define.
10196 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10197 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10199 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10200 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10201 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10202 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10203 (TARGET_C99_FUNCTIONS): Don't define.
10204 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10205 GLIBC_DYNAMIC_LINKER.
10206 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10207 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10208 GLIBC_DYNAMIC_LINKER64): Define.
10209 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10210 LINUX_DYNAMIC_LINKER64.
10211 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10212 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10213 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10214 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10215 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10216 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10217 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10218 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10219 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10220 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10221 and LINUX_DYNAMIC_LINKER32.
10222 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10223 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10224 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10225 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10226 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10228 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10229 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10230 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10231 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10232 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10233 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10234 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10235 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10236 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10237 LINUX_DYNAMIC_LINKER): Define.
10238 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10239 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10240 GLIBC_DYNAMIC_LINKER64): Define.
10241 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10242 LINUX_DYNAMIC_LINKER64.
10243 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10244 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10245 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10246 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10247 LINUX_DYNAMIC_LINKER): Define.
10248 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10249 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10250 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10251 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10252 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10253 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10254 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10255 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10256 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10257 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10258 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10259 * doc/invoke.texi (-muclibc): Remove caveat about supported
10262 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10264 * doc/cpp.texi (__TIMESTAMP__): Document.
10266 2006-02-17 Roger Sayle <roger@eyesopen.com>
10268 PR middle-end/25600
10269 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10270 C is one less than the width of X (and related transformations).
10271 * simplify-rtx.c (simplify_unary_operation_1): Transform
10272 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10273 depending on STORE_FLAG_VALUE, were C is one less then the
10276 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10278 Fix PR tree-optimization/26341
10279 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10280 about NAME_MEMORY_TAG's.
10282 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10285 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10286 with hardware float support, and software float support. Add fcpy
10287 alternative to hardware patterns. Add alternatives to copy between
10288 general and floating-point registers to the 32-bit pattern.
10289 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10290 secondary reload to load a QI or HI mode constant into a floating
10292 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10293 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10295 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10298 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10300 (load_macho_picbase_di): Likewise.
10302 2006-02-16 Jeff Law <law@redhat.com>
10304 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10305 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10306 (ssa_name_nonzero_p): Likewise.
10307 (get_value_range): Return NULL if VRP is not running.
10308 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10309 VRP routines do not discover a range.
10310 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10311 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10312 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10313 (tree_expr_nonnegative_p): Similarly.
10314 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10315 (restore_nonzero_vars_to_original_value): Remove.
10316 (unsafe_associative_fp_binop): Remove.
10317 (tree_ssa_dominator_optimize): Remove initialization and
10318 finalization of nonzero_vars and nonzero_vars_stack.
10319 (dom_opt_initialize_block): No longer push marker on
10320 nonzero_vars_stack.
10321 (dom_opt_finalize_block): No longer call
10322 restore_nonzero_vars_to_original_value.
10323 (record_equivalences_from_phis): No longer look for
10324 nonzero PHI arguments.
10325 (cprop_into_successor_phis): No longer propagate nonzero
10326 property into PHI arguments. Lose unused argument. Caller
10328 (record_equivalences_from_stmt): No longer record nonzero
10329 values for SSA_NAMEs.
10330 (lookup_avail_expr): No longer use nonzero_vars.
10332 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10333 for sizetype when sizetype is unsigned.
10335 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10337 PR rtl-optimization/25603
10338 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10339 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10340 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10341 with new meaning of SETS.
10343 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10348 * config/linux.opt: New file.
10349 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10350 LINUX_DYNAMIC_LINKER): Define.
10351 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10352 * config.gcc (*-*-linux*): Define extra_options.
10353 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10354 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10355 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10356 GLIBC_DYNAMIC_LINKER.
10357 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10358 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10359 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10360 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10361 * doc/invoke.texi (GNU/Linux Options): New section.
10363 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10365 * config/sparc/sparc.md (setjmp): Rewrite.
10366 (setjmp_32): Delete.
10367 (setjmp_64): Likewise.
10369 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10371 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10374 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10376 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10379 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10381 PR rtl-optimization/26296
10382 * Makefile.in (loop-invariant.c): Add except.h dependency.
10383 * loop-invariant.c: Include except.h.
10384 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10386 2005-02-16 Paul Brook <paul@codesourcery.com>
10388 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10391 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10393 PR rtl-optimization/25636
10394 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10395 when deciding whether an insn is an initializing insn.
10397 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10399 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10400 (tree_code_size): Ditto.
10401 * tree.h (struct tree_memory_tag): Remove parent_var.
10402 (struct tree_struct_field_tag): New.
10405 (union tree_node): Add sft member.
10406 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10408 (create_sft): Add size and offset argument, set SFT_OFFSET and
10410 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10411 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10412 * tree-flow-inline.h (get_subvar_at): Update for
10413 SFT_OFFSET/SFT_SIZE.
10414 (var_can_have_subvars): Ditto.
10415 (overlap_subvar): Ditto.
10416 * print-tree.c (print_node): Print out interesting things for
10418 * tree-flow.h (struct subvar): Remove offset and size members.
10419 * tree-ssa-operands.c (get_expr_operands): Update for
10420 get_indirect_ref_operands changes.
10421 (get_indirect_ref_operands): Call add_virtual_operand instead of
10422 add_stmt_operand. Only recurse on base var if requested.
10423 (access_can_touch_variable): New function.
10424 (add_stmt_operand): Split virtual operand handling into ...
10425 (add_virtual_operand): Here. Add offset, size, and for_clobber
10426 arguments. Prune alias sets.
10427 (add_call_clobber_ops): Call add_virtual_operand.
10429 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10431 PR middle-end/26300
10432 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10434 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10435 than TREE_CODE as index into omp_clause_num_ops array.
10437 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10439 PR rtl-optimization/26184
10440 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10442 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10443 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10444 must_precede, must_follow and tobe_scheduled.
10447 * opts.c (common_handle_option): Free new_option pointer.
10448 * df-core.c (df_analyze): Free postorder pointer.
10450 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10452 * Makefile.in: Fix the examples about the use of stamps
10454 2006-02-15 Michael Matz <matz@suse.de>
10456 PR middle-end/22275
10458 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10459 influenced by maximum_field_alignment or DECL_PACKED.
10460 (update_alignment_for_field): Ditto.
10461 (place_field): Ditto.
10462 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10465 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10467 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10468 (debug_flow_info): Pass it.
10469 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10470 * bb-reorder.c (reorder_basic_blocks): Likewise.
10471 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10472 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10473 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10474 * gcse.c (gcse_main, bypass_jumps): Likewise.
10475 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10476 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10477 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10478 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10479 * rtl.h (dump_flow_info): Adjust prototype.
10480 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10481 * var-tracking.c (variable_tracking_main): Likewise.
10482 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10483 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10486 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10488 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10491 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10493 PR tree-optimization/26209
10494 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10495 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10497 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10499 2006-02-14 Roger Sayle <roger@eyesopen.com>
10501 PR middle-end/23670
10502 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10503 (X,Y) and the corresponding symmetry related transformations.
10504 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10505 (X,Y) and its symmetry related transformations.
10507 2006-02-14 Roger Sayle <roger@eyesopen.com>
10509 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10512 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10514 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10516 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10519 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10520 support COMDAT group.
10521 * configure: Regenerate.
10523 2006-02-14 Roger Sayle <roger@eyesopen.com>
10525 PR middle-end/26279
10526 PR middle-end/26280
10527 PR middle-end/26283
10528 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10530 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10532 Fix PR tree-optimization/26260
10534 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10536 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10537 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10538 * tree-ssa-structalias.c (create_variable_info_for): Use
10539 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10541 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10543 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10545 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10546 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10547 of the ending condition.
10548 * tree-ssa-loop-manip.c: Include params.h.
10549 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10550 tree_unroll_loop): New functions.
10551 * tree-pass.h (pass_loop_prefetch): Declare.
10552 * loop.c (rest_of_handle_loop_optimize): Test for
10553 -fprefetch-loop-arrays-rtl.
10554 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10555 * timevar.def (TV_TREE_PREFETCH): New timevar.
10556 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10557 pass_loop_prefetch): New.
10558 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10559 (cleanup_tree_cfg_loop): Call scev_reset.
10560 * common.opt (fprefetch-loop-arrays-rtl): Add.
10561 * tree-ssa-loop-prefetch.c: New file.
10562 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10563 (new_temp_expr_table): Initialize expr_vars.
10564 (free_temp_expr_table): Cleanup expr_vars.
10565 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10566 expressions from being merged into one.
10567 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10568 (struct tree_niter_desc): Add control, bound and cmp fields.
10569 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10571 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10572 (tree-cfgcleanup.o): Add SCEV_H dependency.
10573 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10574 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10576 2006-02-14 Richard Guenther <rguenther@suse.de>
10578 PR tree-optimization/26258
10579 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10580 in PHI argument processing.
10582 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10584 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10585 new expression in the requested machine mode.
10587 2006-02-13 Roger Sayle <roger@eyesopen.com>
10589 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10590 directly, instead let do_compare_rtx_and_jump handle this for us.
10591 * expr.c (expand_expr_real_1): Likewise.
10592 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10593 before do_jump_by_parts_greater.
10594 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10595 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10597 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10599 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10601 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10603 PR rtl-optimization/26235
10604 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10605 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10608 2006-02-13 Jeff Law <law@redhat.com>
10610 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10613 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10615 PR middle-end/26092
10616 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10617 twice if decl is a builtin. When trying again, call get_callee_fndecl
10618 first to verify it is still a builtin.
10620 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10622 * dwarf2out.c (base_type_die): Don't add AT_name here.
10623 (subrange_type_die): Don't add AT_name here.
10624 (modified_type_die): Rearrange code flow. Do add AT_name here.
10626 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10628 PR rtl-optimization/26247
10629 PR rtl-optimization/26248
10630 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10632 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10634 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10635 * config/fixtfdi.c: Likewise.
10636 * config/fixunstfdi.c: Likewise.
10637 * config/floatditf.c: Likewise.
10639 2006-02-13 Roger Sayle <roger@eyesopen.com>
10641 PR middle-end/24427
10642 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10643 into (X,C2) if C1 is a subset of the bits of C2. Transform
10644 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10646 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10648 2006-02-13 Josh Conner <jconner@apple.com>
10651 * varasm.c (function_section): Check for section name before
10652 calling select_section on targets that define
10653 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10654 unlikely_text_section instead of hot_function_section if
10655 first_function_block_is_cold.
10657 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10659 PR middle-end/25335
10660 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10662 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10664 PR rtl-optimization/26222
10665 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10666 after tree->rtl expansion.
10667 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10668 before passing it to emit_move_insn.
10670 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10672 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10674 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10675 Clarify documentation.
10676 * c-common.h (warn_write_strings): Remove.
10677 * c-common.c (warn_write_strings): Likewise.
10678 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10681 2006-02-12 Roger Sayle <roger@eyesopen.com>
10683 PR middle-end/25724
10684 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10685 (do_jump_parts_zero_rtx): New function renamed from
10686 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10687 (do_jump_parts_equality_rtx): New function split out from
10688 do_jump_parts_equality. Old implementation renamed as above.
10689 Call do_jump_parts_zero_rtx if either operand is zero.
10690 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10691 do all of the heavy lifting.
10692 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10693 calling either do_jump_by_parts_greater_rtx or
10694 do_jump_by_parts_equality_rtx.
10695 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10696 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10697 moved to do_compare_rtx_and_jump, call it directly.
10698 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10699 mode argument. Call do_compare_rtx_and_jump.
10700 (emit_case_nodes): Update calls to do_jump_if_equal.
10702 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10704 PR rtl-optimization/26225
10705 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10707 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10709 PR rtl-optimization/26232
10710 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10712 2006-02-11 Jason Merrill <jason@redhat.com>
10715 * tree-inline.c (declare_return_variable): Just don't use the
10716 modify target if it's a gimple complex reg and the return slot
10719 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10721 * doc/contrib.texi: Update my entry.
10723 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10725 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10727 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10729 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10732 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10734 * doc/invoke.texi (-floop-optimize2): Removed.
10735 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10736 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10737 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10738 * common.opt (floop-optimize2): Removed.
10739 (fmove-loop-invariants): Enabled by default.
10741 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10743 * tree-if-conv.c (combine_blocks): Free the result of
10744 get_loop_exit_edges.
10746 2006-02-10 Jeff Law <law@redhat.com>
10748 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10750 PR tree-optimization/26213
10751 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10752 loop trying to follow SSA_NAME_VALUE chains.
10754 2006-02-10 Richard Guenther <rguenther@suse.de>
10756 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10757 deal with structures that end in implicitly variable sized arrays.
10759 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10761 PR rtl-optimization/24762
10762 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10765 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10767 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10768 (struct ivopts_data): Add regs_used field.
10769 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10770 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10771 instead of loop_data->regs_used;
10772 (free_loop_data): Do not free aux fields for loops.
10773 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10774 and tree_ssa_iv_optimize_finalize.
10776 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10778 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10780 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10783 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10784 computing the effective result type.
10786 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10788 PR inline-asm/16194
10789 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10790 (tree_overlaps_hard_reg_set): Declare.
10791 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10792 type and signature to match function type expected by walk_tree.
10793 (tree_overlaps_hard_reg_set): New function.
10794 (decl_conflicts_with_clobbers_p): Rename to:
10795 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10796 Use tree_overlaps_hard_reg_set. Changed caller.
10797 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10798 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10799 * cris.c (cris_md_asm_clobbers): Likewise.
10801 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10803 * reload1.c (emit_input_reload_insns): Delete code that tries to
10804 inherit using find_equiv_reg.
10806 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10808 * c-common.h (flag_const_strings): Don't declare.
10809 * c-common.c (flag_const_strings): Remove.
10810 * c.opt (fconst_strings): Remove.
10811 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10812 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10813 (c_common_init_options): Don't set flag_const_strings.
10814 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10816 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10818 * arm.md (tlobits_cbranch): New pattern.
10819 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10820 testing a single bit.
10822 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10825 * tree-ssa-pre.c (create_component_ref_by_pieces):
10826 Handle RETURN_DECL like VAR_DECL.
10828 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10830 PR middle-end/26134
10831 * fold-const.c (fold_indirect_ref_1): Fold
10832 "*(foo *)&complexfoo" to "__real__ complexfoo"
10833 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10835 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10837 * tree-flow-inline.h (var_can_have_subvars):
10838 Volatile variables should not have subvariables.
10840 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10843 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10844 multiplying unsigned values.
10847 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10849 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10851 2006-02-08 Jason Merrill <jason@redhat.com>
10854 * tree.def: Elaborate on difference from MODIFY_EXPR.
10855 * doc/c-tree.texi (INIT_EXPR): Likewise.
10856 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10857 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10858 (gimplify_target_expr): Likewise.
10859 (gimplify_cond_expr): Remove target handling.
10860 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10861 (gimplify_expr): Clobber it here.
10862 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10863 Do return slot optimization if we have an INIT_EXPR.
10866 * tree-inline.c (declare_return_variable): Also clear
10867 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10870 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10872 PR middle-end/22439
10873 * gimplify.c (gimplify_one_sizepos): Fix typo.
10875 2006-02-08 Jeff Law <law@redhat.com>
10877 PR tree-optimization/21417
10878 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10879 across a backedge if the control statement at the end of the
10880 block is data dependent on other statements in the same block.
10881 (record_temporary_equivalences_from_stmts): Remove over-conservative
10882 test for threading across backedges.
10884 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10885 control statement, handle all three special cases in the same
10886 manner as they all have the same desired solution. No longer
10887 special case edge flag updating when the post dominator is
10890 2006-02-08 Roger Sayle <roger@eyesopen.com>
10892 * tree.def (CHAR_TYPE): Remove.
10893 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10894 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10895 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10896 (gen_string_type_die): Delete unreachable function.
10898 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10899 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10900 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10901 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10902 * builtins.c (type_to_class): Likewise.
10903 * fold-const.c (fold_convert, build_range_check,
10904 merge_ranges): Likewise.
10905 * expr.c (count_type_elements): Likewise.
10906 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10907 * stor-layout.c (layout_type): Likewise.
10908 * ipa-type-escape.c (type_to_consider): Likewise.
10909 * gimplify.c (omp_firstprivatize_type_sizes,
10910 gimplify_type_sizes): Likewise.
10911 * explow.c (promote_mode): Likewise.
10912 * tree-sra.c (is_sra_scalar_type): Likewise.
10913 * varasm.c (output_constant): Likewise.
10914 * tree-inline.c (remap_type_1): Likewise.
10915 * convert.c (convert_to_pointer, convert_to_real,
10916 convert_to_integer, convert_to_complex): Likewise.
10918 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10920 * df-scan.c (df_def_record_1): A set destination may
10921 be a parallel regardless of mode.
10923 2006-02-08 Roger Sayle <roger@eyesopen.com>
10926 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10927 * config/mips/_tilib.c: Remove.
10928 * config/fixtfdi.c: New libgcc source file.
10929 * config/fixunstfdi.c: New source file.
10930 * config/floatditf.c: New source file.
10931 * config/floatunditf.c: New souce file.
10932 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10933 files above instead of config/mips/_tilib.c.
10934 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10936 2006-02-08 Jeff Law <law@redhat.com>
10938 PR tree-optimization/26169
10939 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10942 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10944 * df.h (DF_REG_SIZE): Return the length of the initialized
10947 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10949 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10950 __muldf3): Return a correctly signed zero.
10952 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10954 * passes.c (register_one_dump_file): Accept the current properties
10955 instead of pass number. Adjust call to dump_register. Remove
10957 (register_dump_files): Now a wrapper around...
10958 (register_dump_files_1): ... this one. Do not modify the pass
10960 (next_pass_1): Cosmetic fix.
10961 (execute_todo): Keep second parameter only. Use curr_properties
10962 instead of fetching it from the pass structure. Check and set
10964 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10965 instead of fetching it from the pass structure. Fix calls to
10966 execute_todo. Update curr_properties and initialize .vcg RTL dump
10967 after running the pass. Reset last_verified.
10968 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10970 (FIRST_AUTO_NUMBERED_DUMP): New.
10971 (dump_register): Remove "num" parameter, assign it within the
10973 (get_dump_file_name): Modify template for dumps.
10974 * tree-dump.h (dump_register): Adjust prototype.
10975 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10976 (PROP_trees): Add PROP_gimple_lomp.
10977 (TODO_set_props): New.
10978 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10979 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10980 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10982 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10984 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10985 (sparc64-*-linux*): Likewise.
10986 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10987 * config/sparc/t-linux: New file.
10988 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10989 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10990 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10991 -m32 -mlong-double-128.
10993 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10994 * config/alpha/t-linux: New file.
10995 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10997 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10998 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10999 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11000 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11001 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11002 (CPP_ARCH32_SPEC): Remove.
11004 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11006 PR tree-optimization/26145
11007 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11010 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11013 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11014 >= 240000 when generating code for SOM runtime.
11015 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11016 to $$dyncall when generating code for SOM runtime..
11018 2006-02-07 Dirk Mueller <dmueller@suse.com>
11021 * doc/invoke.texi (-Wsequence-point): Update documentation
11022 that -Wsequence-point is implemented for C++ as well.
11024 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11026 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11027 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11028 (LIB_SPEC): Likewise.
11029 * doc/invoke.texi (SPARC options): Document -pthread.
11031 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11033 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11036 2006-02-07 Roger Sayle <roger@eyesopen.com>
11038 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11039 Correct comment describing BOOLEAN_TYPE.
11041 2006-02-07 Dirk Mueller <dmueller@suse.com>
11043 * c.opt: C++ frontend supports -Wdiv-by-zero.
11044 * c-opts.c (c_common_handle_option): Remove dead case.
11046 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11048 * configure.ac (TLS assembler check): Do not enable TLS by
11049 default on SPARC/Solaris before version 10.
11050 * configure: Regenerate.
11052 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11054 * doc/invoke.texi (xl-compat): Document conversion and support
11057 2006-02-07 Jeff Law <law@redhat.com>
11059 * tree-vrp.c (find_conditional_asserts): Update comments.
11060 (simplify_stmt_for_jump_threading): New.
11061 (identify_jump_threads, finalize_jump_threads): New.
11062 (vrp_finalize): Call identify_jump_threads.
11063 (execute_vrp): Call finalize_jump_threads.
11064 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11065 (vrp_element, vrp_data, vrp_element_p): Remove.
11066 (vrp_hash_elt, vrp_variables_stack): Remove.
11067 (vrp_hash, vrp_eq, record_range): Remove.
11068 (simplify_cond_and_lookup_avail_expr): Remove.
11069 (extract_range_from_cond): Remove.
11070 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11071 (simplify_stmt_for_jump_threading): New.
11072 (dom_thread_across_edge): New wrapper.
11073 (tree_ssa_dominator_optimize): No longer initialize or
11074 finalize any of the VRP datastructures. Remove iteration
11075 step and simplify as a result of removal of iteration step.
11076 (pass_dominator): Perform a cfg cleanup after DOM.
11077 (dom_opt_finalize_block): Use the new common routines
11078 for threading jumps. Simplify stack management slightly.
11079 No longer need to unwind VRP state.
11080 (record_equivalences_from_incoming_edge): No longer record
11082 (eliminate_redundant_computations): No longer call
11083 simplify_cond_and_lookup_avail_expr.
11084 * tree-flow.h (potentially_threadable_block): Prototype.
11085 (thread_across_edge): Likewise.
11086 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11087 (tree-ssa-threadedge.o): Add dependencies.
11088 * tree-ssa-threadedge.c: New file.
11089 * passes.c (init_optimization_passes): Merge PHIs before
11090 calling VRP. Run VRP again late in the SSA optimization pipeline.
11092 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11094 * df-core.c (df_set_blocks): Do not dereference function pointers.
11095 (df_finish1): Likewise.
11096 (df_hybrid_search_forward): Likewise.
11097 (df_hybrid_search_backward): Likewise.
11098 (df_iterative_dataflow): Likewise.
11099 (df_analyze_problem): Likewise.
11100 (df_compact_blocks): Likewise.
11101 (df_dump): Likewise.
11102 * df-scan.c (df_rescan_blocks): Likewise.
11103 (df_record_entry_block_defs): Likewise.
11105 * genconditions.c (write_conditions): Guard the definition of
11106 'insn_conditions' with the check on GCC version.
11107 (write_writer): Guard the traversal 'insn_conditions' with
11108 the check on GCC version.
11110 2006-02-07 Richard Guenther <rguenther@suse.de>
11114 2006-01-30 Richard Guenther <rguenther@suse.de>
11116 * gimplify.c (gimplify_target_expr): Handle easy cases
11117 without creating a temporary.
11119 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11121 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11122 use of float in probability computations. Use edge probabilities
11123 in place of statically computed probabilities.
11124 (min_spec_prob): New static variable.
11125 (schedule_insns): Initialize it.
11126 (GET_SRC_PROB): Removed.
11127 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11129 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11132 * config/ia64/unwind-ia64.c: Revert last change.
11133 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11134 (INCOMING_FRAME_SP_OFFSET): Define.
11136 2006-02-06 Roger Sayle <roger@eyesopen.com>
11138 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11140 2006-02-07 Ben Elliston <bje@au.ibm.com>
11142 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11143 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11144 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11145 (ix86_return_in_memory): Handle TDmode.
11146 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11147 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11149 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11151 * reorg.c (dbr_schedule): Use dump_file instead of file.
11153 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11156 * config/ia64/predicates.md (extr_len_operand): New predicate.
11157 * config/ia64/ia64.md (extv): Tighten constraints.
11159 (*tbit_and_2): Ditto.
11160 (*tbit_and_3): Ditto.
11161 (*tbit_or_2): Ditto.
11162 (*tbit_or_3): Ditto.
11163 (*bit_zero): Ditto.
11166 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11169 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11171 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11173 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11174 loop_optimizer_init and loop_optimizer_finalize
11175 * tree-ssa-sink.c (execute_sink_code): Ditto.
11176 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11177 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11178 tree_ssa_loop_done): Ditto.
11179 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11180 * sched-ebb.c: Include output.h.
11181 (schedule_ebbs): Do not use dump argument.
11182 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11183 * loop.c (loop_dump_stream): Removed.
11184 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11186 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11187 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11188 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11189 loop_iterations, strength_reduce, record_biv, record_giv,
11190 final_giv_value, check_final_value, check_ext_dependent_givs,
11191 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11192 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11193 dump_file instead of loop_dump_stream.
11194 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11195 argument dump_file.
11196 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11198 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11199 * haifa-sched.c: Include output.h
11200 (schedule_insns, sched_init): Do not use dump argument.
11201 * mode-switching.c (optimize_mode_switching): Ditto.
11202 * modulo-sched.c (stats_file): Removed.
11203 (print_node_sched_params): Do not call argument dump_file.
11204 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11205 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11207 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11209 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11210 rtl_loop_init, rtl_loop_done): Ditto.
11211 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11212 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11214 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11215 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11216 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11217 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11218 * emit-rtl.c (renumber_insns): Ditto.
11219 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11220 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11221 * regclass.c (regclass): Ditto.
11222 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11223 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11224 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11225 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11227 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11228 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11230 * gcse.c (gcse_file, debug_stderr): Removed.
11231 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11232 rest_of_handle_gcse): Do not use dump argument.
11233 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11234 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11235 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11236 compute_code_hoist_vbeinout, compute_code_hoist_data,
11237 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11238 compute_store_table, build_store_vectors, insert_insn_start_bb,
11239 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11240 store_motion): Use dump_file instead of gcse_file.
11241 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11242 * profile.c (profile_dump_file): Removed.
11243 (branch_prob): Use dump_file instead of profile_dump_file.
11244 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11246 * tree-ssa-copy.c (dump_copy_of): Ditto.
11247 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11248 dump file to life_analysis.
11249 * bt-load.c (branch_target_load_optimize): Ditto.
11250 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11252 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11253 regclass, dbr_schedule): Declaration changed.
11254 * sched-int.h (sched_init): Declaration changed.
11255 * tree-profile.c (tree_profile_dump_file): Removed.
11256 (tree_profile_hooks): Removed profile_dump_file hook.
11257 * rtl-profile (rtl_profile_dump_file): Removed.
11258 (rtl_profile_hooks): emoved profile_dump_file hook.
11259 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11261 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11262 * tree-cfg.c (build_tree_cfg): Ditto.
11263 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11264 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11265 Declaration changed.
11266 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11267 life_analysis and schedule_insns.
11268 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11270 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11272 * config/mips/mips.c (mips_reorg): Ditto.
11273 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11276 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11278 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11279 (s390_mangle_fundamental_type): New.
11280 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11283 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11284 (alpha_mangle_fundamental_type): New.
11285 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11288 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11290 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11292 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11293 (sparc_mangle_fundamental_type): New.
11295 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11297 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11298 (s390x-*-linux*): Likewise.
11299 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11300 * config/s390/t-linux: New file.
11302 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11304 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11305 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11307 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11309 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11310 (ANTIC_SAFE_LOADS): New macro.
11311 (find_or_generate_expression): Add prototype.
11312 (set_contains_value): Allow null set for sake of not always having
11313 to allocate ANTIC_SAFE_LOADS.
11314 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11315 Allow COMPONENT_REF too.
11316 (valid_in_set): Allow COMPONENT_REF.
11317 Check ANTIC_SAFE_LOADS too.
11318 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11319 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11321 (can_PRE_operation): Add COMPONENT_REF.
11322 (create_component_ref_by_pieces): New function.
11323 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11324 (insert_aux): Move AGGREGATE_TYPE_P check here.
11325 (compute_avail): Set bb local stmt uids.
11326 (pass_pre): Use TODO_update_ssa_only_virtuals.
11328 2006-02-06 Ben Elliston <bje@au.ibm.com>
11330 * configure.ac: Unconditionally disable decimal float by default.
11331 * configure: Regenerate.
11333 2006-02-06 Ben Elliston <bje@au.ibm.com>
11335 * read-rtl.c (read_name): Terminate reading on EOF.
11337 2006-02-06 Ben Elliston <bje@au.ibm.com>
11339 * dfp.c (decimal_real_arithmetic): Change second argument type
11340 from int to enum tree_code. Do not always return true, but now
11341 return result of any call to decimal_do helper functions.
11342 * dfp.h (decimal_real_arithmetic): Update prototype.
11344 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11346 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11348 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11351 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11354 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11356 * tree-vrp.c (cfg_loops): Removed.
11357 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11358 Use current_loops instead of cfg_loops. Pass flags to
11359 loop_optimizer_init.
11360 * cfgloopmanip.c (fix_loop_structure): Update only available
11362 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11363 loop_optimizer_init.
11364 * modulo-sched.c (build_loops_structure): Removed.
11365 (sms_schedule): Use loop_optimizer_init.
11366 * loop-init.c (loop_optimizer_init): Use flags to determine
11367 which properties of loops to prepare.
11368 (rtl_loop_init): Pass flags to loop_optimizer_init.
11369 * tree-ssa-sink.c (execute_sink_code): Ditto.
11370 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11371 * tree-ssa-pre.c (init_pre): Ditto.
11372 * cfgloop.h (LOOPS_NORMAL): New.
11373 (loop_optimizer_init): Declaration changed.
11375 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11377 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11378 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11380 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11382 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11384 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11385 * pa/t-pa64: Delete quadlib.c rule.
11386 * pa/x-ada: Revert last change.
11387 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11389 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11391 PR rtl-optimization/26087
11392 * rtlanal.c (canonicalize_condition): Do not cross basic block
11395 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11398 * config/ia64/ia64.c: Include debug.h.
11399 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11400 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11401 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11402 (process_epilogue, process_set, process_for_unwind_directive):
11403 Output unwind info only if requested. Add CFA info if requested.
11404 Add new arguments as needed. Adjust callers.
11405 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11407 (DWARF2_FRAME_INFO): Define to zero.
11408 * config/ia64/unwind-ia64.c: Remove code that compensated for
11409 the CFA offset error fixed above.
11410 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11411 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11412 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11413 -funwind-tables and -fexceptions to enable frame info.
11414 (dwarf2out_frame_init): Define initial CFA even if
11415 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11416 DWARF2_UNWIND_INFO is nonzero, not just defined.
11417 (dwarf2out_frame_finish): Output non-EH call frame info only
11418 if DWARF2_FRAME_INFO is nonzero.
11419 (convert_cfa_to_loc_list,
11420 compute_frame_pointer_to_cfa_displacement): Define even if
11421 unwind info is not supported.
11422 (gen_subprogram_die): Use the above unconditionally. Remove
11423 legacy alternate code.
11424 * toplev.c (compile_file): Compile in call to
11425 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11426 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11428 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11429 Jakub Jelinek <jakub@redhat.com>
11431 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11432 IBM extended float format long double as "g" on powerpc*-linux.
11434 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11437 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11438 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11440 2006-02-03 Jason Merrill <jason@redhat.com>
11443 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11445 PR middle-end/25977
11446 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11447 on the return slot if it's an NRV.
11449 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11451 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11452 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11453 rewrite_use): Do not handle USE_OUTER.
11454 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11455 add_iv_outer_candidates, may_replace_final_value,
11456 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11457 (find_interesting_uses_op): Functionality of
11458 find_interesting_uses_outer_or_nonlin moved here.
11459 (find_interesting_uses_outside): Use find_interesting_uses_op.
11461 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11464 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11466 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11467 Ulrich Weigand <uweigand@de.ibm.com>
11470 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11471 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11472 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11473 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11475 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11476 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11477 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11478 Define secondary reloads for TFmode moves.
11479 (constant_modes): Add TFmode.
11480 (NR_C_MODES): Set to 8.
11481 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11483 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11484 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11485 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11486 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11487 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11488 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11489 (FPR mode macro): Add TFmode.
11490 (DSF mode macro): New.
11491 (<de>, <dee> mode attributes): Removed.
11492 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11493 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11494 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11495 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11496 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11497 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11498 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11499 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11500 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11501 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11502 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11503 "*negabs<mode>2", "sqrt<mode>2"):
11504 Changed <de> to <xde>. R constraint replaced by <Rf>.
11505 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11507 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11508 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11509 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11511 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11512 "extenddftf2", "extendsftf2"): New expanders.
11513 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11514 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11515 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11516 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11518 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11519 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11520 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11521 __floatditf): Add a GCC_4.1.0 symbol version tag.
11522 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11525 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11528 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11529 Use targetm.binds_local_p instead of TREE_PUBLIC.
11531 2006-02-02 Roger Sayle <roger@eyesopen.com>
11533 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11534 on INTEGER_TYPEs to indicate that it denotes a character type.
11535 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11536 signed_char_type_node, unsigned_char_type_node and char_type_node.
11537 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11538 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11539 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11541 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11542 Daniel Berlin <dberlin@dberlin.org>
11544 * tree-tailcall.c (arg_needs_copy_p): New function.
11545 (eliminate_tail_call): Use arg_needs_copy_p.
11546 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11547 (add_virtual_phis): New function.
11549 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11551 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11552 #ignore instead of #scratch for %g7 .register directive.
11554 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11556 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11559 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11561 * flow.c (calculate_global_regs_live): Assert that there aren't any
11564 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11566 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11567 what its name says.
11568 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11569 bsi_after_labels iterator.
11570 * tree-if-conv.c (find_phi_replacement_condition,
11571 replace_phi_with_cond_modify_expr): Likewise.
11572 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11573 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11575 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11577 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11579 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11582 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11583 array after growing it.
11585 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11587 PR middle-end/24901
11588 * fold-const.c (fold_checksum_tree): Change type of buf.
11590 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11592 * reload.c (push_secondary_reload): Initialize t_icode.
11594 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11596 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11597 -msoft-float -mlong-double-128 only issue a warning, but don't
11598 swich to DFmode long double.
11600 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11602 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11603 has a constant equivalent, iterate over equivalents for arg0,
11604 calling simplify_relational_operation and if there's a result
11605 cheaper than X, apply fold_rtx and return the result.
11607 2006-02-01 Jan Hubicka <jh@suse.cz>
11609 * opts.c (no_unit_at_a_time_default): New global variable.
11610 (decode_options): Use it.
11611 * opts.h (no_unit_at_a_time_default): Declare.
11613 2006-02-01 Paul Brook <paul@codesourcery.com>
11615 * function.c (assign_parm_setup_reg): Use function argument promotion
11617 * expr.c (expand_expr_real_1): Use function argument promotion rules
11620 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11622 * gcc.c (process_command): Change j to 'unsigned int'.
11624 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11626 PR middle-end/26001
11627 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11628 Use the corrected index for the character
11629 out of the string constant.
11631 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11633 * mode-switching.c (optimize_mode_switching): Fix size
11634 allocated for bb_info[n_entities].
11636 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11638 * gcc.c (main): Correct type that is allocated for
11639 explicit_link_files.
11641 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11643 * config/s390/s390.c (init_alignment_context): Set
11644 ALIAS_SET_MEMORY_BARRIER on the MEM.
11645 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11647 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11649 PR middle-end/25933
11650 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11652 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11655 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11657 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11658 * regrename.c: Ditto.
11659 * tree-ssa-loop-im.c: Ditto.
11660 * tree-dump.c: Ditto.
11661 * tree-complex.c: Ditto.
11662 * genrecog.c: Ditto.
11663 * tree-ssa-threadupdate.c: Ditto.
11665 * java/class.c: Ditto.
11666 * java/jcf-parse.c: Ditto.
11667 * java/resource.c: Ditto.
11668 * java/except.c: Ditto.
11669 * java/jvspec.c: Ditto.
11670 * java/jcf-write.c: Ditto.
11671 * java/jcf-path.c: Ditto.
11672 * java/gjavah.c: Ditto.
11673 * java/zextract.c: Ditto.
11674 * java/jcf-io.c: Ditto.
11675 * java/jcf.h: Ditto.
11676 * java/buffer.c: Ditto.
11677 * java/lang.c: Ditto.
11678 * java/parse-scan.y: Ditto.
11679 * java/lex.c: Ditto.
11680 * java/lex.h: Ditto.
11681 * cfgloopmanip.c: Ditto.
11682 * postreload-gcse.c: Ditto.
11683 * tree-ssa-loop-manip.c: Ditto.
11684 * postreload.c: Ditto.
11685 * tree-ssa-loop-ch.c: Ditto.
11688 * cppspec.c: Ditto.
11689 * diagnostic.c: Ditto.
11691 * genoutput.c: Ditto.
11693 * cfghooks.c: Ditto.
11694 * cfgloopanal.c: Ditto.
11695 * objc/objc-act.c: Ditto.
11697 * genextract.c: Ditto.
11698 * genautomata.c: Ditto.
11699 * pretty-print.c: Ditto.
11700 * genemit.c: Ditto.
11701 * cgraphunit.c: Ditto.
11703 * df-scan.c: Ditto.
11704 * haifa-sched.c: Ditto.
11705 * dominance.c: Ditto.
11707 * tree-ssa-loop-ivopts.c: Ditto.
11708 * df-core.c: Ditto.
11709 * mode-switching.c: Ditto.
11710 * modulo-sched.c: Ditto.
11712 * ipa-pure-const.c: Ditto.
11714 * fix-header.c: Ditto.
11716 * tree-stdarg.c: Ditto.
11717 * ipa-utils.c: Ditto.
11718 * loop-init.c: Ditto.
11719 * ipa-inline.c: Ditto.
11720 * cfganal.c: Ditto.
11722 * alloc-pool.c: Ditto.
11723 * dwarf2out.c: Ditto.
11725 * genattrtab.c: Ditto.
11726 * tree-ssa-loop-ivcanon.c: Ditto.
11727 * predict.c: Ditto.
11728 * timevar.c: Ditto.
11730 * fortran/gfortranspec.c: Ditto.
11731 * regmove.c: Ditto.
11732 * local-alloc.c: Ditto.
11733 * langhooks.c: Ditto.
11734 * function.c: Ditto.
11735 * tree-vectorizer.c: Ditto.
11737 * ipa-type-escape.c: Ditto.
11739 * tree-if-conv.c: Ditto.
11740 * profile.c: Ditto.
11742 * tree-data-ref.c: Ditto.
11743 * loop-unroll.c: Ditto.
11744 * treelang/treetree.c: Ditto.
11746 * bt-load.c: Ditto.
11747 * ggc-common.c: Ditto.
11749 * coverage.c: Ditto.
11751 * tree-cfgcleanup.c: Ditto.
11752 * tree-ssa-pre.c: Ditto.
11753 * cfgcleanup.c: Ditto.
11754 * loop-invariant.c: Ditto.
11755 * loop-iv.c: Ditto.
11756 * ipa-prop.c: Ditto.
11757 * print-tree.c: Ditto.
11758 * conflict.c: Ditto.
11759 * ggc-page.c: Ditto.
11760 * sched-deps.c: Ditto.
11761 * regclass.c: Ditto.
11762 * tree-object-size.c: Ditto.
11763 * combine.c: Ditto.
11764 * bb-reorder.c: Ditto.
11765 * resource.c: Ditto.
11766 * var-tracking.c: Ditto.
11767 * cfgloop.c: Ditto.
11768 * df-problems.c: Ditto.
11769 * reg-stack.c: Ditto.
11771 * gccspec.c: Ditto.
11772 * sched-rgn.c: Ditto.
11773 * tree-ssa-structalias.c: Ditto.
11774 * tree-ssa-reassoc.c: Ditto.
11775 * config/darwin-c.c: Ditto.
11776 * config/darwin.c: Ditto.
11777 * config/arm/arm.c: Ditto.
11779 * collect2.c: Ditto.
11780 * reload1.c: Ditto.
11782 2006-01-31 Nicolas Pitre <nico@cam.org>
11784 * arm.md (smaxsi3): Make aware of smax_m1.
11787 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11789 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11791 2006-01-31 Richard Guenther <rguenther@suse.de>
11793 * doc/invoke.texi (-msselibm): Document.
11794 * target.h (expand_library_builtin): New target hook.
11795 * builtins.c (expand_builtin): Use expand_library_builtin.
11796 (default_expand_library_builtin): New function.
11797 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11798 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11799 (link_gcc_math_spec): Declare.
11800 (static_specs): Add link_gcc_math_spec.
11801 * expr.h (default_expand_library_builtin): Declare.
11802 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11803 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11804 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11805 * config/i386/i386.opt (msselibm): New target option.
11806 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11807 (ix86_init_sse_abi_builtins): New function.
11808 (ix86_expand_library_builtin): Likewise.
11809 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11810 (override_options): Handle error conditions wrt -msselibm.
11811 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11812 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11813 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11816 2006-01-31 Richard Guenther <rguenther@suse.de>
11817 Paolo Bonzini <bonzini@gnu.org>
11819 * doc/install.texi (--disable-libgcc-math): Document.
11821 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11823 * expr.h (expand_normal): new inline function.
11824 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11825 * dojump.c: use it.
11826 * dwarf2out.c: use it.
11829 * expmed.c: use it.
11830 * except.c: use it.
11831 * config/sparc/sparc.c: use it.
11832 * config/i386/i386.c: use it.
11833 * config/rs6000/rs6000.c: use it.
11834 * config/arm/arm.c: use it.
11835 * config/mips/mips.c: use it.
11836 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11838 2006-01-30 Roger Sayle <roger@eyesopen.com>
11840 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11841 argv to the appropriate type.
11843 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11845 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11848 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11851 * config/s390/s390.c (struct machine_function): New flag
11852 decomposed_literal_pool_addresses_ok_p.
11853 (s390_reorg): Set it before final stage of literal pool transforms.
11854 (s390_decompose_address): Only accept displacements of the form
11855 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11857 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11859 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11860 the comparison routine return.
11862 2006-01-30 Michael Matz <matz@suse.de>
11864 * global.c (find_reg): Only evict for global regs.
11865 Take n_refs into account and dump more info.
11867 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11870 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11871 (pragma_trap, pragma_nosave_low_regs): Likewise.
11872 (current_function_anonymous_args): Likewise.
11873 (sh_deferred_function_attributes): New variable.
11874 (sh_deferred_function_attributes_tail): Likewise.
11875 (print_operand): For '@', look up trap_exit attribute.
11876 (calc_live_regs): Look up trapa_handler attribute. For trapa
11877 handlers, save/restore fpscr, but don't do any other
11878 interrupt-specific saves.
11879 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11880 Fix check for partially saved registers to check for SHmedia.
11881 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11882 (sh_output_function_epilogue): Don't clear any of the removed
11884 (sh_insert_attributes): Don't check pragma_interrupt.
11885 Insert deferred attributes. Check that interrupt attribute is
11886 present for other attributes that require its presence.
11887 (sh_attribute_table): Add new attributes trapa_handler and
11889 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11890 Don't check for pragma_interrupt. Don't store argument.
11891 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11892 (sh_deferred_function_attributes): Declare.
11893 (sh_deferred_function_attributes_tail): Likewise.
11894 * sh.md (sp_switch_1): Add operand. Change generator caller.
11895 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11896 (*return_i): Don't use when trap_exit attribute is in effect.
11897 (*return_trapa): New insn pattern.
11898 * sh-c.c: New file.
11899 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11900 setting c_target_objs and cxx_target_objs.
11901 * t-sh: Add rule for sh-c.o.
11903 2006-01-30 Richard Guenther <rguenther@suse.de>
11906 * gimplify.c (gimplify_target_expr): Handle easy cases
11907 without creating a temporary.
11909 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11911 * vec.h (safe_grow): Remove duplicated line.
11913 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11916 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11917 (expand_omp): ... here.
11918 (expand_omp_parallel): Only remove barriers for combined
11919 parallel+workshare constructs.
11921 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11925 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11926 * tree.c (build_qualified_type): Chain the new type to the original
11927 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11928 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11929 (build_pointer_type_for_mode): Only return unqualified types.
11930 (build_reference_type_for_mode): Likewise.
11932 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11934 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11935 * Makefile.in (CXX_COMPAT_WARN): Define.
11936 * configure: Regenerate.
11938 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11941 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11944 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11946 * toplev.c: Fix thinko.
11948 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11949 Marcin Dalecki <martin@dalecki.de>
11951 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11952 (push_srcloc): Use XNEW.
11953 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11955 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11957 * df-core.c (df_set_blocks): Deleted all variable.
11959 2006-01-28 Ian Lance Taylor <ian@airs.com>
11961 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11962 cgraph_output_pending_asms.
11964 2006-01-28 Zack Weinberg <zackw@panix.com>
11966 * c.opt: Add -W(no-)overlength-strings.
11967 * doc/invoke.texi: Document it.
11968 * c-opts.c (c_common_handle_option): -pedantic implies
11969 -Woverlength-strings, if not explicitly disabled already.
11970 (c_common_post_options): -Woverlength-strings defaults to off, and
11971 is always off for C++.
11972 * c-common.c (fix_string_type): Issue warning about strings longer
11973 than is portable only if warn_overlength_strings. Rearrange code
11974 a little for clarity.
11975 * configure.in: Check for -Wno-overlength-strings as well before
11976 enabling -pedantic in stage 1.
11977 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11978 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11980 * genconditions.c (write_header, write_one_condition)
11981 (write_conditions, write_writer): Consolidate very long strings
11982 that were broken up to fit in C89 portable limit. Don't use
11983 printf when fputs will do.
11985 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11987 * combine.c (simplify_comparison <AND>): Check
11988 TRULY_NOOP_TRUNCATION before start using a subreg.
11990 * config/mips/mips.md (*branch_zero<mode>,
11991 *branch_zero<mode>_inverted, *branch_equality<mode>,
11992 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11993 Remove mode check from comparisons.
11995 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11997 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11999 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12001 * expmed.c (const_mult_add_overflow_p): Remove.
12002 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12004 * recog.c (validate_replace_rtx_subexp): Remove.
12005 * recog.h: Remove the prototype for
12006 validate_replace_rtx_subexp.
12008 * integrate.h: Remove the prototype for
12009 copy_decl_for_inlining.
12010 * rtl.h: Remove the prototype for mark_constant_function.
12011 * tree-vectorizer.h: Remove the prototype for
12012 vect_strip_conversion.
12014 * modulo-sched.c (create_partial_schedule,
12015 free_partial_schedule, reset_partial_schedule): Make them
12018 * hooks.c (hook_bool_rtx_int_false): Remove.
12019 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12021 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12023 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12024 and -mlong-double-128 are incompatible.
12025 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12026 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12027 (TARGET_LIBGCC2_CFLAGS): Define.
12028 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12029 (TARGET_LIBGCC2_CFLAGS): Same.
12030 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12032 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12035 * c-typeck.c (build_binary_op): Perform implicit casts of
12036 operands before shortening them.
12038 * cfgloopmanip.c (split_loop_bb): Remove.
12039 * cfgloop.h: Remove the prototype for split_loop_bb.
12041 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12042 * cfgloop.h: Remove the prototype for
12043 flow_loop_outside_edge_p.
12045 * emit-rtl.c (init_virtual_regs): Make it static.
12046 * function.h: Remove the prototype for init_virtual_regs.
12048 * recog.c (peephole2_optimize): Make it static.
12049 * recog.h: Remove the prototype for peephole2_optimize.
12051 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12053 * df-scan.c (df_record_entry_block_defs): Check if
12054 INCOMING_RETURN_ADDR_RTX is defined.
12056 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12057 Kenneth Zadeck <zadeck@naturalbridge.com>
12059 PR rtl-optimization/24762
12060 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12061 * targhooks.c (hook_void_bitmap): New hook prototype.
12062 * targhoohs.h (hook_void_bitmap): Ditto.
12063 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12064 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12065 * target.h (live_on_entry): New function pointer.
12066 * df-scan.c (df_all_hard_regs): Removed.
12067 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12068 (df_scan_free_internal): Added df->entry_block_defs.
12069 (df_scan_alloc): Ditto.
12070 (df_scan_dump): Ditto.
12071 (df_uses_record): Plumbed flag field properly thru calls.
12072 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12073 This part fixes PR24762.
12074 (df_bb_refs_record): Added code to make the frame and arg
12075 pointers live in EH blocks.
12076 (df_refs_record): Added call to df_record_entry_block_defs.
12077 (df_record_entry_block_defs): New function.
12078 * df-core.c: Added comments to describe new artifical defs.
12079 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12080 (entry_block_defs): New field in struct df.
12081 (df_all_hard_regs): Deleted.
12082 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12083 * df-problems.c (df_ru_bb_local_compute_process_def):
12084 Added code to handle artifical defs in the entry to a function.
12085 (df_ru_bb_local_compute): Ditto.
12086 (df_rd_bb_local_compute_process_def): Ditto.
12087 (df_rd_bb_local_compute): Ditto.
12088 (df_lr_bb_local_compute): Ditto.
12089 (df_ur_bb_local_compute): Ditto.
12090 (df_urec_bb_local_compute): Ditto.
12091 (df_chain_create_bb): Ditto.
12092 (df_ur_local_finalize): Removed entry.
12093 (df_urec_init): Ditto.
12094 (df_urec_local_finalize): Ditto.
12095 (df_ri_bb_compute): Added detection of last use of pseudos.
12096 * Makefile.in (df-scan.o): Updated dependencies.
12097 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12098 * config/mips/mips.c (mips_set_live_on_entry): Added.
12099 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12101 * dce.c (marked_insn_p): Added code to handle artifical defs.
12103 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12105 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12107 (_mm_cvtsi128_si64): Likewise.
12108 (_mm_cvtsd_si64): Likewise.
12109 (_mm_cvttsd_si64): Likewise.
12110 (_mm_cvtsi64_sd): Likewise.
12111 (_mm_cvtsi64_si128): Likewise.
12112 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12113 (_mm_cvtsi64_m64): Likewise.
12114 (_m_to_int64): Likewise.
12115 (_mm_cvtm64_si64): Likewise.
12116 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12117 (_mm_cvttss_si64): Likewise.
12118 (_mm_cvtsi64_ss): Likewise.
12119 (_mm_cvtss_f32): Likewise.
12121 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12123 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12124 for pragma redefine_extname.
12126 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12129 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12130 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12131 -mno-minimal-toc to previous content.
12132 (bispecs): Remove goal.
12133 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12134 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12135 compatibility aliases on powerpc-*-*gnu*.
12136 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12137 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12138 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12139 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12140 (ldblspecs): New goal.
12141 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12142 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12144 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12145 L_sf_to_tf or L_df_to_tf is defined.
12147 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12148 Alan Modra <amodra@bigpond.net.au>
12151 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12152 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12153 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12154 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12155 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12156 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12157 (rs6000_override_options): Initialize rs6000_ieeequad.
12158 Initialize TFmode format to ibm_extended_format if not
12160 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12162 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12163 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12164 (function_arg_advance): IBM long double passed in two FPRs, not
12166 (function_arg): IBM long double passed in FPRs.
12167 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12168 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12169 Only multireg GPR aligned.
12170 (rs6000_init_libfuncs): Enable IBM long double functions if not
12172 (rs6000_generate_compare): Use IBM long double compare if not
12174 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12175 (TARGET_IEEEQUAD): Define.
12176 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12177 not TARGET_IEEEQUAD.
12178 * config/rs6000/rs6000.md: Enable TFmode patterns if
12180 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12181 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12182 and -mlong-double-128 are incompatible.
12183 * doc/invoke.texi (-mabi): Collect options together. Add
12184 ibmlongdouble and ieeelongdouble.
12186 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12188 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12190 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12191 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12192 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12193 * rtl.h (rtunion_def): Remove rt_ptr.
12195 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12196 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12197 * config/i386/winnt.c (i386_pe_mark_dllexport)
12198 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12200 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12202 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12204 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12208 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12209 pthread_key_delete. From John David Anglin. gthrw-ify
12210 pthread_getunique_np only if it it's not a macro. Delete
12212 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12213 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12214 __gthread_objc_condition_signal, __gthread_key_delete): Add
12215 "__attribute__ ((__unused__))" to unused arguments.
12216 (__gthread_recursive_mutex_init_function): Add missing return.
12217 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12218 gthr-posix95.h: Use macro-based approach for name redirection
12219 on targets missing weakref.
12221 2006-01-26 Zack Weinberg <zackw@panix.com>
12223 * genconditions.c (write_header): In generated code, #ifdef out
12224 all includes and fake declarations, except includes of bconfig.h
12225 and system.h, unless GCC_VERSION >= 3001. Do not include
12226 gensupport.h in any case.
12227 (write_conditions): Generate a definition of struct c_test. Add
12228 a comment to the generated #endif.
12229 (write_one_condition): Escape backslashes in string too.
12230 (write_writer): Generated code must escape backslashes and quote
12231 marks (but not newlines) in the strings it writes.
12232 * Makefile.in (build/gencondmd.o): Update dependencies.
12234 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12237 * Makefile.in (insn-automata.o): Add header file dependencies.
12238 * genautomata.c: Add includes.
12240 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12243 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12245 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12247 * configure.ac: Expect target tools paths to be passed from the toplevel
12248 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12250 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12252 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12255 * c.opt (Wpointer-sign): Init to -1.
12256 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12257 OPT_pedantic, to 0 otherwise.
12258 * doc/invoke.texi: Update.
12260 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12262 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12263 constants provided by 80387 instructions in the destination mode.
12265 2006-01-26 Richard Guenther <rguenther@suse.de>
12266 Andrew Pinski <pinskia@physics.uc.edu>
12269 partial PR tree-opt/17064
12270 * tree-ssa-structalias.c (intra_create_variable_infos):
12271 Create heap variables for incoming parameters if
12272 flag_argument_noalias > 1.
12273 (find_what_p_points_to): Look through default defs of
12276 2006-01-26 Jeff Law <law@redhat.com>
12279 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12280 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12281 within the VR_RANGE, use the VR_RANGE as the result, not the
12283 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12284 bounds for the type.
12286 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12288 * tree-ssa-alias.c (maybe_create_global_var): Change
12289 subvar walking to an assertion that we don't have subvar'd variables.
12291 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12294 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12295 Use a new variable, inner. PARM_DECLs are always non-weak.
12297 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12299 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12300 --disable-checking.
12302 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12304 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12306 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12308 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12309 (smax_insn, smin_insn, smax_0, smin_0): New.
12311 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12314 * config/cris/cris.c (cris_order_for_addsi3): New function.
12315 * config/cris/cris-protos.h: Prototype it.
12316 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12317 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12318 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12319 (split for "op.S1 [rx=rx+i],ry (swapped)")
12320 (split for "op(s|u).S1 [rx=rx+i],ry")
12321 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12322 Apply cris_order_for_addsi3 when generating addsi3 insns.
12324 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12326 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12327 (TREE_BLOCK): Add call to EXPR_CHECK.
12329 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12332 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12333 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12334 (dump_omp_clauses): ... here.
12335 (dump_generic_node): Handle OMP_CLAUSE.
12336 * tree.c (omp_clause_num_ops): New.
12337 (omp_clause_code_name): New.
12338 (tree_code_size): Handle OMP_CLAUSE.
12339 (tree_size): Likewise.
12340 (make_node): Document handling of OMP_CLAUSE.
12341 (tree_node_structure): Handle OMP_CLAUSE.
12342 (omp_clause_check_failed): New.
12343 (omp_clause_range_check_failed): New.
12344 (omp_clause_operand_check_failed): New.
12345 (build_omp_clause): New.
12346 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12347 * tree.h (enum omp_clause_code): Declare.
12348 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12349 (OMP_CLAUSE_RANGE_CHECK): Define.
12350 (OMP_CLAUSE_ELT_CHECK): Define.
12351 (omp_clause_check_failed): Declare.
12352 (omp_clause_operand_check_failed): Declare.
12353 (omp_clause_range_check_failed): Declare.
12354 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12355 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12356 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12357 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12358 (OMP_CLAUSE_IF_EXPR): Likewise.
12359 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12360 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12361 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12362 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12363 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12364 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12365 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12366 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12367 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12368 (OMP_CLAUSE_CODE): Define.
12369 (OMP_CLAUSE_SET_CODE): Define.
12370 (OMP_CLAUSE_CODE): Define.
12371 (OMP_CLAUSE_OPERAND): Define.
12372 (struct tree_omp_clause): Declare.
12373 (union tree_node): Add field 'omp_clause'.
12374 * treestruct.def (TS_OMP_CLAUSE): Define.
12375 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12376 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12377 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12378 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12379 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12380 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12381 (OMP_CLAUSE): Define.
12382 * print-tree.c (print_node): Handle OMP_CLAUSE.
12383 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12384 * c-typeck.c: Likewise.
12385 * gimplify.c: Likewise.
12386 * c-omp.c: Likewise.
12387 * tree-nested.c: Likewise.
12388 * tree-inline.c: Likewise.
12389 * c-parser.c: Likewise.
12390 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12393 2006-01-25 Roger Sayle <roger@eyesopen.com>
12395 PR rtl-optimization/25703
12396 * combine.c (try_combine): Handle zero_extract and strict_low_part
12397 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12399 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12401 * global.c: Fix comment typos.
12403 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12406 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12407 Use output_addr_const instead of assemble_name.
12409 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12411 * Makefile.in (sched-vis.o): Update dependencies.
12412 * haifa-sched.c (sched_finish): Clear current_sched_info.
12413 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12414 (dump_flow_info): Call it.
12415 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12417 * basic-block.h (dump_bb_info): Declare.
12418 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12419 option, and apply options only for dump files whose TDF_RTL,
12420 TDF_TREE, or TDF_IPA bits match.
12421 * rtl.h: Declare new functions exported from sched-vis.c.
12422 * sched-vis.c: Enable also if scheduling is not used.
12423 (print_value): Print the mode of registers if not inside scheduling.
12424 (print_insn): Make it work outside the scheduler. Beautify the output
12426 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12428 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12430 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12431 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12432 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12433 depending on the value of CONSTANT_POOL_ADDRESS_P.
12434 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12436 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12437 rather than SYMBOL_REF_DECL.
12438 (rtx_constant_pool): Remove const_rtx_sym_htab.
12439 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12440 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12441 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12442 Remove handling of const_rtx_sym_htab.
12443 (find_pool_constant): Delete.
12444 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12445 rather than find_pool_constant.
12446 (get_pool_constant_for_function): Delete.
12447 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12448 find_pool_constant.
12449 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12450 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12451 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12452 (SYMBOL_REF_CONSTANT): New macro.
12453 (get_pool_constant_for_function): Delete.
12454 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12455 rather than SYMBOL_REF_DECL.
12456 (i386_pe_mark_dllimport): Likewise.
12457 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12458 rather than SYMBOL_REF_DECL.
12459 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12460 (machopic_indirect_call_target): Likewise.
12462 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12464 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12466 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12468 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12470 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12472 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12474 2006-01-24 David Daney <ddaney@avtrex.com>
12477 * configure.ac (enable_tls): New enable option.
12478 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12479 * configure: Regenerate.
12480 * doc/install.texi (--enable-tls): Document new option.
12481 (--disable-tls): Ditto.
12483 2006-01-24 Richard Henderson <rth@redehat.com>
12485 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12486 * alias.c (true_dependence): Respect it.
12487 (canon_true_dependence, write_dependence_p): Likewise.
12488 * builtins.c (get_builtin_sync_mem): Set it.
12490 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12492 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12495 2006-01-24 DJ Delorie <dj@redhat.com>
12497 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12498 for storing constants in single-bit bitfields.
12500 2006-01-25 Ben Elliston <bje@au.ibm.com>
12502 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12504 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12507 * tree-ssa-pre.c (phi_translate): Return NULL
12508 for AGGREGATE_TYPE's.
12510 2006-01-24 Zack Weinberg <zackw@panix.com>
12512 * genautomata.c (process_state_for_insn_equiv_partition):
12513 Use xcalloc for insn_arcs_array.
12514 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12515 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12517 2006-01-24 Richard Henderson <rth@redhat.com>
12519 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12520 update all callers.
12522 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12524 PR rtl-optimization/25890
12525 PR rtl-optimization/25905
12526 * combine.c (expand_compound_operation, expand_field_assignment):
12527 Fail if the bitfield's final position is out of bounds.
12529 2006-01-24 Ian Lance Taylor <ian@airs.com>
12531 PR middle-end/25930
12532 * cgraphunit.c (cgraph_output_in_order): Don't clear
12533 cgraph_asm_nodes until after asm strings have been output.
12535 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12537 * fix-header.c (read_scan_file): Add new parameter imultilib when
12538 calling register_include_chains.
12540 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12542 * omp-low.c: Update documentation.
12544 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12545 Daniel Berlin <dberlin@dberlin.org>
12549 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12550 return from the function.
12552 2006-01-22 Zack Weinberg <zackw@panix.com>
12554 * rtl.def (match_code): Add second argument.
12555 * genpreds.c (write_extract_subexp): New function.
12556 (write_match_code): Add path argument. Use write_extract_subexp.
12557 (write_predicate_expr): Pass path to write_match_code.
12558 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12559 not perform a mode test.
12560 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12561 a subexpression does not constrain the top-level code set.
12562 * read-rtl.c (read_rtx_variadic): New function.
12563 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12564 * doc/md.texi: Document new notation.
12565 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12566 (cmpsi_operand): ... here, using new notation.
12568 2006-01-22 Zack Weinberg <zackw@panix.com>
12570 * varray.c: Remove GENERATOR_FILE #ifdefs.
12572 2006-01-22 Zack Weinberg <zackw@panix.com>
12574 * genautomata.c (output_reserved_units_table): Emit nothing if
12575 description->query_units_num is zero. Remove extra blank line.
12576 (output_cpu_unit_reservation_p): Short circuit
12577 if description->query_units_num is zero.
12579 2006-01-22 Zack Weinberg <zackw@panix.com>
12581 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12582 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12583 nor any of the random handful of variables that used to be necessary
12584 when this program was linked with rtlanal.o. Prune set of forward
12585 function declarations.
12586 (struct attr_desc): Remove static_p field.
12587 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12588 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12589 (attr_string): Do not read the character one past the length of
12591 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12592 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12593 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12594 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12595 (make_automaton_attrs): New.
12596 (main): Do not call into genautomata. Call local gen_bypass
12597 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12598 Remove special case for insn_alts.
12599 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12600 varray.h (leftover from previous change). Prune set of forward
12601 function declarations. Remove state_alts fields from all
12602 structures. Remove state_alts_table from struct automaton.
12603 Make everything except main static. Do not maintain num_dfa_decls.
12604 Do not maintain state_alts fields of various structures.
12605 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12606 (add_arc): Remove state_alts argument. All callers updated.
12607 (output_reserved_units_table): Emit #ifdef here...
12608 (output_tables): ...not here. Don't generate state_alts tables.
12609 (expand_automata): Don't generate attributes.
12610 (write_automata): Don't generate state_alts functions.
12611 (main): New function.
12612 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12613 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12614 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12615 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12616 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12617 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12618 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12619 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12621 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12622 * genattrtab.h: Delete file.
12623 * Makefile.in (OBJS-common): Add insn-automata.o.
12624 (insn-automata.o): New rule.
12625 (simple_generated_c): Add insn-automata.c.
12626 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12627 (genprogmd): Add automata.
12628 (build/genattrtab): Needs no extra objects nor libraries.
12629 (build/genautomata): Needs build/vec.o and -lm.
12631 2006-01-22 Zack Weinberg <zackw@panix.com>
12633 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12634 (output_dfa_max_issue_rate, locked_states_num): Delete.
12635 (struct automaton): Add locked_states field.
12636 (output_dead_lock_vect): Save number of locked states in
12637 automaton->locked_states. If it is zero, don't print anything.
12638 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12639 (output_internal_dead_lock_func): Only test the dead_lock_vect
12640 for automata that have locked states.
12641 (output_statistics): Always print the number of locked states for
12642 each automaton. Calculate total number of locked states here.
12643 (write_automata): Don't call output_dfa_max_issue_rate.
12644 * genattrtab.c: Define length_unit_log as a const variable.
12645 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12646 max_insn_queue_index const.
12647 * final.c (length_unit_log): Declare const.
12648 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12650 2006-01-22 Zack Weinberg <zackw@panix.com>
12652 * genautomata.c: Include vec.h, not varray.h.
12653 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12654 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12655 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12656 VEC_* macros operating on appropriately typed vectors, or to
12657 malloced arrays when the size is known in advance. Const-ify
12658 many char* variables and function arguments. No functional changes.
12659 * Makefile.in (build/varray.o): Delete rule.
12660 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12661 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12663 2006-01-22 Zack Weinberg <zackw@panix.com>
12665 * gensupport.c: Define get_insn_name and record_insn_name here.
12666 (read_md_rtx): Call record_insn_name as appropriate.
12667 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12668 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12669 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12671 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12672 (BUILD_VARRAY): Delete.
12673 (genprognormal): Rename genprogmd. Fold in all programs from
12674 genprognoprint; also attrtab.
12675 (build/genattrtab): Just mention genautomata.o and varray.o.
12676 Reorganize a bit, add comments to make the categories clearer.
12678 2006-01-22 Zack Weinberg <zackw@panix.com>
12680 * genconditions.c (condition_table, add_condition): Delete.
12681 (write_conditions): Don't emit n_insn_conditions nor
12682 insn_elision_unavailable. Issue the gcc version #ifdef here,
12683 inside the table, with no #else clause ...
12684 (write_header): ...not here.
12685 (write_writer): New function.
12686 (main): Don't initialize condition_table. Use add_c_test.
12688 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12689 files on the command line.
12690 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12691 Return -1 if there is no entry in the table, don't abort.
12692 (add_c_test, traverse_c_tests): New functions.
12693 * gensupport.h (insn_elision_unavailable, insn_conditions)
12694 (n_insn_conditions): Delete declarations.
12695 (add_c_test, traverse_c_tests): Declare.
12696 * read-rtl.c: Include gensupport.h.
12697 (read_conditions): New function.
12698 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12699 (read_rtx_1): If we get EOF when we were looking for an initial
12700 open paren, return 0. Call read_conditions when appropriate.
12701 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12702 dummy-conditions.o. Eliminate references to insn-conditions.o,
12703 or change them to build/gencondmd.o, as appropriate. Remove
12704 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12705 from $(simple_generated_c). For all files remaining in those
12706 two lists, add insn-conditions.md to the generator command line.
12707 Give insn-constants.h/s-constants their own rules. Add rules
12708 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12709 (build/read-rtl.o): Depend on gensupport.h.
12710 (genprognormal): Include preds.
12711 (genprogearly): Rename genprognoprint; only difference is now that
12712 they don't link with $(BUILD_PRINT).
12713 * dummy-conditions.c: Delete.
12715 2006-01-22 Zack Weinberg <zackw@panix.com>
12717 * genextract.c: Don't include insn-config.h. Do include vec.h.
12718 Declare vectors of int, char, and locstr.
12719 (locstr): New typedef.
12720 (struct extraction): Make all array fields into bare pointers.
12721 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12722 (insn_code_number): Delete.
12723 (accum_extract): New struct.
12724 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12725 (gen_insn): Take insn_code_number as an argument. Use an
12726 accum_extract structure instead of loading data directly into
12727 a struct extraction, and having to know how big it might get.
12728 (walk_rtx): Operate entirely on an accum_extract structure.
12729 (print_path): Avoid unnecessary use of printf.
12730 (print_header): New function, split out of main. Distinguish
12731 more carefully between an unrecognizable insn and an insn that
12732 has the code number of a define_expand.
12733 (main): Pass insn_code_number to gen_insn. Call print_header
12734 only after parsing. Avoid unnecessary use of printf.
12735 * Makefile.in (build/vec.o): New rule.
12736 (build/genextract): Depend on build/vec.o.
12737 (build/genextract.o): Don't depend on insn-config.h.
12739 2006-01-22 Zack Weinberg <zackw@panix.com>
12741 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12742 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12743 practical. Eliminate per-generator-program link rules.
12745 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12747 PR middle-end/24437
12748 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12749 with a call expr to ...
12750 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12752 2006-01-23 Richard Guenther <rguenther@suse.de>
12754 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12755 before make_edge with conditional EDGE_TRUE_VALUE.
12757 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12758 Jan Hubicka <jh@suse.cz>
12759 Richard Guenther <rguenther@suse.de>
12761 PR rtl-optimization/25654
12762 * cfgexpand.c (aggregate_contains_union_type): New function.
12763 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12764 for structure variables that contain a union type.
12766 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12768 * gengtype.c (new_structure): Return the structure.
12769 (create_option): Add an extra "next" argument.
12770 (create_field): New function.
12771 (adjust_field_rtx_def): Use create_option and create_field.
12772 Remove a now-unnecessary call to find_structure.
12773 (adjust_field_tree_def): Likewise.
12774 (note_yacc_type): Remove an unnecessary call to find_structure.
12775 * gengtype.h (new_structure): Return the structure.
12776 (create_option): Add an extra argument.
12777 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12778 (option): Adjust calls to create_option.
12780 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12782 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12784 2006-01-22 Paul Brook <paul@codesourcery.com>
12785 Peter Barada <peter@the-baradas.com>
12787 * config/m68k/m68k.md: Add Coldfire FPU support.
12788 Define FP mode macro and associated attributes.
12789 Use it for float mode patterns.
12790 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12791 (LIBCALL_VALUE): Use m68k_libcall_value.
12792 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12793 (m68k_function_value): Ditto.
12794 (emit_move_sequence): Ditto.
12795 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12796 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12797 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12798 (MULTILIB_EXCEPTIONS): Ditto.
12799 * config/m68k/m68k.opt: Add mcfv4e.
12800 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12801 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12802 (m68k_output_function_prologue): Save ColdFire FPU registers.
12803 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12804 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12805 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12806 ColdFire FPU registers.
12807 (m68k_libcall_value, m68k_function_value): New functions.
12808 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12809 (LIBCALL_VALUE): Use m68k_libcall_value.
12810 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12811 (MASK_COLDFIRE): Add MASK_CFV4E.
12812 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12813 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12814 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12815 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12816 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12817 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12818 * doc/invoke.tex: Document -mcfv4e on m68k.
12820 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12822 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12825 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12828 * c-opts.c (c_common_handle_option): Don't include
12829 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12830 * doc/invoke.texi (C++ Dialect Options): Document that
12831 -Wnon-virtual-dtor is no longer included in -Wall.
12833 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12835 * gcov.c (print_version), gcov-dump.c (print_version),
12836 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12839 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12841 * df-scan.c (problem_SCAN): Added NULL reset function.
12842 (df_scan_reset_blocks): Added code to call reset block function
12843 (df_bb_refs_delete) Fixed comment.
12844 (df_insn_refs_delete): Made tolerant of deleting non existent info
12845 for dataflow problems that need to be reset.
12846 * df-core.c (df_set_blocks): Ditto.
12847 * df.h (struct df_problem): Added reset_fun.
12848 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12849 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12850 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12851 functions to clear out all references to def-use or use-def chains.
12853 2006-01-21 Ben Elliston <bje@au.ibm.com>
12855 * varasm.c (assemble_real): Initialise data array.
12857 2006-01-20 Paul Brook <paul@codesourcery.com>
12859 Merge from csl-arm-branch.
12860 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12861 * config/arm/arm.md (movdi): Force operands[1] to a register
12862 if we have a non-register source.
12863 (*arm_movdi, *movdf_soft_insn): Require that one of the
12864 operands be a register.
12865 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12866 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12868 2006-01-20 DJ Delorie <dj@redhat.com>
12870 * varasm.c (initializer_constant_valid_p): Allow pointers
12871 initialized from integer constants of lesser precision.
12872 (output_constant): Allow non-int-sized pointer modes to be
12873 initialized from integer constants.
12875 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12878 * cppdefault.h (struct default_include): Add multilib flag.
12879 * cppdefault.c (cpp_include_defaults): Set it.
12880 * c.opt (-imultilib): New option.
12881 * c-opts.c (imultilib): New.
12882 (c_common_handle_option): Handle -imultilib.
12883 (c_common_post_options): Likewise.
12884 * c-incpath.c (add_standard_paths, register_include_chains):
12886 * c-incpath.h (register_include_chains): Add extra parameter.
12887 * gcc.c (do_spec_1): Generate -imultilib option.
12888 (The Specs Language): Update %I description.
12889 (process_command): Update copyright notice.
12890 * doc/cppopts.texi (-imultilib): Document.
12891 * doc/invoke.texi (-imultilib): Include in option summary.
12892 (%I): Update specs documentation.
12894 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12896 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12898 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12900 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12903 2006-01-20 Richard Guenther <rguenther@suse.de>
12904 Steven Bosscher <stevenb.gcc@gmail.com>
12906 PR rtl-optimization/24626
12907 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12908 EDGE_TRUE_VALUE if in RTL mode.
12911 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12912 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12914 2006-01-20 Dirk Mueller <dmueller@suse.com>
12917 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12918 instead of a special NOP marker.
12919 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12920 NOP marker handling.
12921 * c-common.h (empty_body_warning): Add forward declaration.
12922 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12923 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12925 2006-01-20 Paul Brook <paul@codesourcery.com>
12927 * Makefile.in (lang_checks): Keep going if mkdir fails.
12929 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12931 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12932 be able to clean out basic block when not necessary.
12933 (df_scan_free): Fixed to properly delete information if df is
12934 unused before calling df_finish.
12935 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12936 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12938 (df_bb_refs_delete): New function.
12939 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12940 * df-core.c (df_set_blocks): Added code to properly clean out
12941 unused blocks if they are not part of the blocks to consider.
12942 Added additional null check.
12943 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12944 be able to clean out basic block when not necessary
12945 * df.h (df_free_bb_function): Ditto.
12946 (df_bb_refs_delete): New function.
12947 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12948 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12949 basic block parameter to be able to clean out basic block when not
12951 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12952 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12953 Fixed to properly delete information if df is unused before
12956 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12958 PR rtl-optimization/25799
12959 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12960 Corrected confluence operator to remove bits from op2 before oring
12961 with op1 rather than removing bits from op1.
12962 (df_ru_transfer_function): Corrected test on wrong bitmap which
12963 caused infinite loop. Both of these problems were introduced in
12964 the dataflow rewrite.
12966 2006-01-19 DJ Delorie <dj@redhat.com>
12968 * reload1.c (find_reload_regs): Note the details of reload
12969 failures in the dump file.
12970 (spill_failure): Likewise.
12972 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12974 * loop-iv.c: Include df.h and hashtab.h.
12975 (enum iv_grd_result): New enum.
12976 (DF_REF_IV, DF_REF_IV_SET): New macros.
12977 (struct biv_entry): New.
12978 (df, bivs): New global variables.
12979 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12980 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12982 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12983 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12984 analyzed_for_bivness_p, record_biv): New functions.
12985 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12986 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12987 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12989 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12991 (iv_number_of_iterations): Use new interface to iv analysis.
12992 * loop-unroll.c: Do not include varray.h.
12993 (analyze_iv_to_split_insn): Use new interface to iv
12995 * loop-unswitch.c (may_unswitch_on): Ditto.
12996 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12998 (df_bb_modify): Realloc tables to the new index.
12999 (df_find_use): New function.
13000 * df.h (df_find_use): Declare.
13001 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13003 * cfgloop.h (struct rtx_iv): Remove analysed field.
13004 (iv_get_reaching_def): Removed.
13005 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13006 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13007 (loop-iv.o): Add df.h and hashtab.h dependency.
13008 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13010 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13013 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13015 (__floatundisf, __floatundidf): Likewise.
13016 * libgcc2.h (IS_IBM_EXTENDED): Define.
13018 2006-01-19 DJ Delorie <dj@redhat.com>
13020 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13022 2006-01-19 Paul Brook <paul@codesourcery.com>
13024 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13025 as nothrow when unwinding tables are disabled.
13027 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13030 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13031 of bit-field" when in system header.
13033 2006-01-19 DJ Delorie <dj@redhat.com>
13035 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13036 the 16 bit shift limit of the m16c.
13038 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13041 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13042 * config/i386/i386.c (output_set_got): Output the label if we have one
13043 for the TARGET_DEEP_BRANCH_PREDICTION case.
13045 2006-01-19 Jan Hubicka <jh@suse.cz>
13046 H.J. Lu <hongjiu.lu@intel.com>
13047 Evandro Menezes <evandro.menezes@amd.com>
13049 * invoke.texi (generic): Document
13051 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13052 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13053 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13054 (x86_use_incdec, x86_pad_returns): New variables
13055 (TARGET_CPU_DEFAULT_generic): New constant
13056 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13057 (enum processor_type): Add generic32 and generic64.
13058 * i386.md (cpu attribute): Add generic32/generic64
13059 (movhi splitter): Behave sanely when both partial_reg_dependency and
13060 partial_reg_stall are set.
13061 (K8 splitters): Enable for generic as well.
13062 * predicates.md (incdec_operand): Use TARGET_INCDEC
13063 (aligned_operand): Avoid memory mismatch stalls.
13064 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13065 * ppro.md: Enable for generic32
13066 * i386.c (generic64_cost, generic32_cost): New.
13067 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13068 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13069 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13070 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13071 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13072 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13073 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13074 x86_accumulate_outgoing_args, x86_prologue_using_move,
13075 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13076 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13077 Enable for generic.
13078 (x86_use_incdec, x86_pad_returns): New.
13079 (override_options): Add generic32 and generic64, translate "generic"
13080 to generic32/generic64 and "i686" to "generic32", refuse
13081 "generic32"/"generic64" as arch target.
13082 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13083 (ix86_reorg): Honor PAD_RETURNS.
13085 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13087 * tree-pretty-print.c (dump_generic_node): Handle
13088 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13089 * cgraph.c (cgraph_expand_queue): Rename from
13090 cgraph_analyze_queue. Update all users.
13091 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13092 cgraph_expand_queue.
13093 (cgraph_expand_all_functions): Likewise.
13094 (cgraph_finalize_pending_functions): Remove. Update callers.
13096 * tree.h (OMP_DIRECTIVE_P): Define.
13097 (OMP_PARALLEL_FN): Define.
13098 (OMP_PARALLEL_DATA_ARG): Define.
13099 (OMP_SECTIONS_SECTIONS): Define.
13100 * tree-pass.h (pass_expand_omp): Declare.
13101 * omp-low.c (struct omp_region): Declare.
13102 (struct omp_context): Remove fields 'parallel_type',
13103 'parallel_start_ix' and 'parallel_start_additional_args'.
13105 (struct omp_for_data): Rename from struct expand_omp_for_data.
13106 (omp_regions): New static variable.
13107 (root_omp_region): New static variable.
13108 (find_omp_clause): Make static.
13109 (is_in_combined_parallel_ctx): Remove.
13110 (is_combined_parallel): New.
13111 (extract_omp_for_data): Move earlier in the file.
13112 (workshare_safe_to_combine_p): New.
13113 (get_ws_args_for): New.
13114 (determine_parallel_type): Move earlier in the file.
13115 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13117 (omp_copy_decl): Likewise.
13118 (create_omp_child_function): Likewise.
13119 (lookup_omp_region): New.
13120 (dump_omp_region): New.
13121 (debug_omp_region): New.
13122 (debug_all_omp_regions): New.
13123 (new_omp_region): New.
13124 (scan_omp_parallel): If parallel_nesting_level > 1, the
13125 directive is nested within another parallel directive.
13126 Set OMP_PARALLEL_FN.
13127 (scan_omp_for): Do not try to handle combined parallel+for
13129 Remove FIXME comment.
13130 (scan_omp_nested): Remove.
13131 (scan_omp_1): Do not call scan_omp_nested when
13132 parallel_nesting_level is > 1.
13133 Do not change the DECL_CONTEXT of local variables found.
13134 (lookup_decl_in_outer_ctx): New.
13135 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13136 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13137 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13138 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13139 If CTX is nested, lookup VAR in the outer context when
13140 building copy assignment.
13141 (lower_send_clauses): Rename from expand_send_clauses.
13142 If CTX is nested, lookup VAR in the outer context when
13143 building copy assignments.
13144 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13145 If CTX is nested, lookup VAR in the outer context when
13146 building copy assignments.
13147 (expand_parallel_call): Rename from build_parallel_call.
13148 Handle combined parallel+workshare cases.
13149 Re-implement to emit code into the CFG.
13151 (expand_omp_parallel): Re-implement to emit code into the CFG.
13152 Call move_sese_region_to_fn to outline the sub-graph
13153 containing the parallel region.
13154 (expand_omp_for_1): Remove.
13155 (expand_omp_for_generic): Re-implement to emit code into the
13157 (expand_omp_for_static_nochunk): Likewise.
13158 (expand_omp_for_static_chunk): Likewise.
13159 (expand_omp_for): Likewise.
13160 (expand_omp_sections): Likewise.
13161 (remove_exit_barriers): New.
13162 (expand_omp_synch): New.
13164 (build_omp_regions_1): New.
13165 (build_omp_regions): New.
13166 (execute_expand_omp): New.
13167 (gate_expand_omp): New.
13168 (pass_expand_omp): Define.
13169 (lower_omp_sections): Rename from expand_omp_sections.
13170 Set OMP_SECTIONS_SECTIONS.
13171 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13172 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13173 (lower_omp_single): Rename from expand_omp_simple.
13174 (lower_omp_master): Rename from expand_omp_master.
13175 (lower_omp_ordered): Rename from expand_omp_ordered.
13176 (lower_omp_critical): Rename from expand_omp_critical.
13177 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13178 (lower_omp_for): Re-implement.
13179 (lower_omp_parallel): Re-implement.
13180 (lower_regimplify): Rename from expand_regimplify.
13181 (lower_omp_1): Rename from expand_omp_1.
13182 If there are syntax errors in the program, replace every
13183 OpenMP directive with NOP.
13184 Call lower_omp_* instead of expand_omp_*.
13185 (lower_omp): Rename from expand_omp.
13187 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13188 * tree-gimple.h (enum omp_parallel_type): Remove.
13189 (gimple_boolify): Declare extern.
13190 (find_omp_clause, determine_parallel_type): Remove.
13192 * gimple-low.c (lower_omp_directive): New.
13193 (lower_stmt): Call it.
13194 (record_vars_into): Move from ...
13195 (record_vars): ... here.
13196 Call record_vars_into with current_function_decl.
13198 * gimplify.c (struct gimplify_ctx): Remove fields
13199 combined_pre_p and combined_ctxp. Update users.
13200 (get_formal_tmp_var): Add documentation.
13201 (gimple_boolify): Make extern.
13202 (gimplify_expr_in_ctx): Remove. Update callers.
13203 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13204 will always be a BIND_EXPR.
13205 (gimplify_expr): Handle OMP_RETURN_EXPR.
13206 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13207 (OMP_PARALLEL): Add 3 operands.
13208 (OMP_SECTIONS): Add 1 operand.
13209 (OMP_RETURN_EXPR): Define.
13211 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13212 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13213 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13214 creating a circular free list.
13215 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13217 * tree-flow.h (move_sese_region_to_fn): Declare.
13218 (record_vars_into): Declare.
13219 * tree-cfg.c (make_omp_sections_edges): New.
13220 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13221 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13222 OMP_SECTIONS and OMP_SECTION.
13223 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13224 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13225 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13226 (gather_blocks_in_sese_region): New.
13227 (struct move_stmt_d): Declare.
13228 (move_stmt_r): New.
13229 (move_block_to_fn): New.
13230 (move_sese_region_to_fn): New.
13232 * passes.c (init_optimization_passes): Schedule
13233 pass_expand_omp after pass_init_datastructures.
13235 * tree-ssa-operands.c (get_expr_operands): Handle
13236 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13237 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13239 2006-01-19 Jeff Law <law@redhat.com>
13241 * tree-vrp.c (extract_range_from_assert): Refine the result range
13242 if the variable referenced by the ASSERT_EXPR has a range and
13243 either the tentative result range or the previous range is a
13246 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13248 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13250 2006-01-19 Jan Hubicka <jh@suse.cz>
13252 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13254 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13256 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13257 (expand_compound_operation, expand_field_assignment): Fail if the
13258 bit lengths of an extract operation are out of range.
13259 (make_extraction): Compute wanted_inner_mode based on the position
13260 and length of the extraction. Make it extraction_mode for non-constant
13261 positions, and do not modify offset in that case. When generating a
13262 new MEM, use a mode that can hold the extraction while keeping correct
13263 alignment. Remove code that supported MEMs wrapped by USEs.
13264 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13266 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13268 * config/s390/s390.md ("Y", "y"): New mode attribute.
13269 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13270 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13271 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13272 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13273 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13274 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13275 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13276 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13277 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13278 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13279 "addsi3", "subsi3"): Insn patterns removed.
13280 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13281 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13282 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13283 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13284 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13285 "*sub<mode>3_cconly2"): New insn patterns.
13286 ("addsi3", "subsi3"): New expanders.
13288 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13290 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13291 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13292 existing STMT_VINFO_VECTYPE if available.
13293 (vect_mark_relevant): Add special handling for stmts that are
13294 marked as STMT_VINFO_IN_PATTERN_P.
13295 (vect_analyze_loop): Call vect_pattern_recog.
13296 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13297 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13299 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13300 (vect_recog_func_ptr): New function-pointer type.
13301 * tree-vect-patterns.c: New file.
13302 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13303 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13304 (vect_pattern_recog_1): New functions.
13305 (vect_pattern_recog_funcs): New array of function pointers.
13307 * tree-vectorizer.h (ternary_op): New enum value.
13308 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13309 declaration. Revised documentation. Removed redundant dump prints.
13310 Removed redundant argument. Added support for reduction patterns.
13311 (vectorizable_reduction): Added support for reduction patterns.
13312 (vect_transform_stmt): Added support for patterns.
13314 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13315 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13316 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13317 (expand_widen_pattern_expr): New function.
13318 (init_optabs): Initialize new optabs udot_prod_optab,
13320 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13321 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13322 (expand_widen_pattern_expr): New function declaration.
13323 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13325 * tree-inline.c (estimate_num_insns_1): Added cases for new
13326 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13327 * tree-pretty-print.c (dump_generic_node): Likewise.
13328 (op_prio): Likewise.
13329 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13330 * tree-ssa-operands.c (get_expr_operands): Added case for
13332 * tree-vect-patterns.c (widened_name_p): New function.
13333 (vect_recog_dot_prod_pattern): Added function implementation.
13334 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13335 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13336 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13337 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13339 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13340 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13341 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13342 (init_optabs): Initialize new optabs widen_ssum_optab,
13344 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13345 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13346 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13347 use instead of type of def.
13348 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13349 function implementation.
13350 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13351 widen_ssumv8hi): New.
13353 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13356 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13359 * c-decl.c (add_flexible_array_elts_to_size): New function.
13360 (finish_decl): Use it.
13362 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13364 * diagnostic.h: Include options.h.
13365 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13366 dependancies for diagnostic.h.
13367 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13369 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13371 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13372 (ssa_ro_call_cache_valid): Ditto.
13373 * tree-ssa-alias.c (sort_tags_by_id): New function.
13374 (init_transitive_clobber_worklist): Ditto.
13375 (add_to_worklist): Ditto.
13376 (mark_aliases_call_clobbered): Ditto.
13377 (compute_tag_properties): Ditto.
13378 (set_initial_properties): Ditto.
13379 (compute_call_clobbered): Ditto.
13380 (compute_may_aliases): Call compute_call_clobbered and grouping.
13381 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13382 (compute_flow_insensitive_aliasing): Grouping now happens in our
13384 (setup_pointers_and_addressables): Remove clobbering related code.
13385 (add_may_alias): Ditto.
13386 (replace_may_alias): Ditto.
13387 (get_nmt_for): Ditto.
13388 (create_global_var):
13389 (is_escape_site): Return an escape_type enumeration.
13390 * tree-flow-inline.h (is_call_clobbered): Global var does not
13391 imply call clobbered.
13392 (mark_call_clobbered): Take a reason for marking this. Remove
13393 marking of globalness, and cache invalidation.
13394 (clear_call_clobbered): Remove cache invalidation code.
13395 * tree-dfa.c (dump_variable): If details is on, dump the reason
13397 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13399 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13400 (struct var_ann_d): Ditto.
13401 (enum escape_type): New.
13402 (mark_call_clobbered): Adjust prototype.
13403 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13404 are never call clobbered.
13405 Record reasons for escaping.
13406 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13407 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13408 (ssa_ro_call_cache_valid): Ditto.
13409 (clobbered_v_may_defs): Ditto.
13410 (clobbered_vuses): Ditto.
13411 (ro_call_vuses): Ditto.
13412 (clobber_stats): New.
13413 (init_ssa_operands): Zero out clobber stats.
13414 (fini_ssa_operands): Print out clobber stats.
13415 (get_call_expr_operands): Pass callee fndecl to
13416 add_call_read_ops).
13417 (add_call_clobber_ops): Remove use of cache.
13418 Add use of PURE_CONST information.
13419 (add_call_read_ops): Remove use of cache.
13420 Add use of static not_read information.
13422 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13424 Introduce TLS descriptors for i386 and x86_64.
13425 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13426 (TARGET_ANY_GNU_TLS): New macro.
13427 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13428 (struct machine_function): Add tls_descriptor_call_expanded_p.
13429 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13430 (ix86_current_function_calls_tls_descriptor): Likewise.
13431 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13432 (override_options): Introduce gnu2 tls dialect.
13433 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13435 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13437 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13438 (ix86_init_machine_status): Initialize new field.
13439 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13440 (ix86_tls_module_base): New.
13441 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13442 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13443 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13444 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13445 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13446 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13447 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13448 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13449 * config/i386/predicates.md (tls_modbase_operand): New.
13450 (tp_or_register_operand): New.
13452 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13454 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13455 (look_for_address_of): Ditto.
13456 (ipa_init): Walk the function decls.
13457 (static_execute): Don't set readonly on FUNCTION_DECL's.
13459 2006-01-18 Roger Sayle <roger@eyesopen.com>
13461 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13462 for shifts where the source and destination registers are different.
13464 2006-01-18 Paul Brook <paul@codesourcery.com>
13466 Merge from csl-arm-branch.
13467 2005-03-14 Julian Brown <julian@codesourcery.com>
13468 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13469 (aeabi_llsl): Likewise.
13470 (ashrdi3): Likewise.
13471 (aeabi_lasr): Likewise.
13472 (lshrdi3): Likewise.
13473 (aeabi_llsr): Likewise.
13474 2005-03-10 Julian Brown <julian@codesourcery.com>
13475 * config.gcc: Disable shared libgcc for SymbianOS.
13476 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13478 2006-01-18 DJ Delorie <dj@redhat.com>
13480 * c-pragma.c (handle_pragma_diagnostic): New.
13481 (init_pragma): Register it.
13482 * doc/extend.texi: Document it.
13484 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13485 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13486 (diagnostic_context): Add classify_diagnostic[].
13487 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13488 as errors if they're overridden to DK_WARNING.
13489 (diagnostic_initialize): Initialize classify_diagnostic[].
13490 (diagnostic_set_kind_override): New.
13491 (diagnostic_report_diagnostic): Check for kind changes.
13492 * opts.c (common_handle_option): Take lang_mask. Update callers.
13493 Handle OPT_Werror_.
13494 * common.opt (Werror=): New.
13495 * doc/invoke.texi: Document -Werror=*
13497 2006-01-18 Jeff Law <law@redhat.com>
13499 * tree-vrp.c (test_for_singularity): Correct test for new
13500 min limit. Use operand_equal_p rather than pointer equality
13501 for testing if new min/max values are equal.
13503 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13504 using range information until after propagation and folding.
13506 2006-01-18 Richard Henderson <rth@redhat.com>
13507 Aldy Hernandez <aldyh@redhat.com>
13508 Jakub Jelinek <jakub@redhat.com>
13509 Diego Novillo <dnovillo@redhat.com>
13511 * omp-low.c: New file.
13512 * c-omp.c: New file.
13514 2006-01-18 Richard Henderson <rth@redhat.com>
13515 Jakub Jelinek <jakub@redhat.com>
13516 Diego Novillo <dnovillo@redhat.com>
13518 * doc/invoke.texi: Document -fopenmp.
13519 * tree-dump.h (debug_function): Declare.
13520 * hooks.c (hook_bool_tree_bool_false): New function.
13521 (hook_tree_tree_null): Remove.
13522 (hook_tree_tree_tree_null): New.
13523 * hooks.h: Update to match.
13524 * tree-pretty-print.c (debug_tree_chain): New.
13525 (print_generic_expr): Handle TDF_CHAIN.
13526 (dump_generic_node): Handle BLOCK.
13527 Do not abort with incomplete SWITCH_EXPRs.
13528 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13529 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13530 print space after directive name.
13531 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13532 Handle OMP_MASTER and OMP_ORDERED.
13533 Handle printing of OMP_BODY just in one place, goto
13534 dump_omp_body in the rest of OMP_* nodes that have
13536 Don't handle clause nodes here. Update omp statements to
13537 use dump_omp_clauses.
13538 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13539 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13540 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13541 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13542 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13543 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13544 Adjust output for GOMP_PARALLEL.
13545 (dump_omp_clauses): New.
13546 (print_declaration): Dump DECL_VALUE_EXPR.
13547 (op_symbol_1): Split out of op_symbol.
13548 (dumping_stmts): Remove. Update all users.
13549 * cgraph.c (cgraph_analyze_queue): New.
13550 (cgraph_add_new_function): New.
13551 * cgraph.h (cgraph_analyze_queue): Declare.
13552 (cgraph_add_new_function): Declare.
13553 (cgraph_lower_function): Remove.
13554 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13555 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13556 and TYPE_P nodes in its default clause.
13557 (empty_body_p): New.
13558 (tree_range_check_failed): New.
13559 (build5_stat): New.
13560 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13561 OMP_CLAUSE_REDUCTION_MERGE,
13562 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13563 OMP_CLAUSE_PRIVATE_DEBUG,
13564 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13565 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13566 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13567 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13568 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13569 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13570 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13571 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13572 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13573 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13574 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13575 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13576 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13577 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13578 (TREE_RANGE_CHECK): New.
13579 (empty_body_p): Declare.
13580 (enum omp_clause_default_kind): New.
13581 (build_string_literal): Declare.
13582 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13583 (build5_stat, build5): Declare.
13584 * tree-pass.h (TDF_CHAIN): Define.
13585 * tree-pass.h (PROP_gimple_lomp): Define.
13586 (pass_lower_omp): Declare.
13587 * diagnostic.h (debug_tree_chain): Declare.
13588 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13590 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13591 * builtins.c (build_string_literal): Make extern.
13592 * gcc.c (include_spec_function): New.
13593 (static_spec_functions): Add it.
13594 (main): Move load of libgomp.spec ...
13595 (LINK_COMMAND_SPEC): ... here.
13596 (link_gomp_spec): New.
13597 (static_specs): Include it.
13598 (LINK_COMMAND_SPEC): Add link_gomp.
13599 (GOMP_SELF_SPECS): New.
13600 (driver_self_specs): Include it.
13601 (switch_matches): Don't mark inline.
13602 (main): Load libgomp.spec.
13603 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13604 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13605 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13606 * tree-gimple.h (enum omp_parallel): Declare.
13607 (determine_parallel_type): Declare.
13608 (omp_firstprivatize_variable): Declare.
13609 (omp_reduction_init): Declare.
13610 (diagnose_omp_structured_block_errors): Declare.
13611 (struct walk_stmt_info): Add want_return_expr.
13612 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13613 (find_omp_clause): Declare.
13614 (insert_field_into_struct): Declare.
13615 (struct walk_stmt_info): Move from tree-nested.c
13616 (walk_stmts): Declare.
13617 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13619 * cgraphunit.c (cgraph_lower_function): Make static.
13620 (cgraph_finalize_pending_functions): New.
13621 (cgraph_finalize_function): Call it.
13622 (cgraph_finalize_compilation_unit): Likewise.
13623 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13624 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13625 (BT_FN_UINT_UINT): New.
13626 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13627 DEF_FUNCTION_TYPE_VAR_4): Document.
13628 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13629 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13630 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13631 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13632 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13633 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13634 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13635 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13636 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13637 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13638 into separate files.
13639 (DEF_GOMP_BUILTIN): New.
13640 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13641 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13642 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13643 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13644 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13645 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13646 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13647 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13648 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13649 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13650 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13651 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13652 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13653 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13654 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13655 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13656 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13657 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13658 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13659 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13660 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13661 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13662 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13663 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13664 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13665 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13666 * sync-builtins.def: New file, moved from builtins.def.
13667 * omp-builtins.def: New file, moved from builtins.def.
13668 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13669 * gimple-low.c (lower_function_body): Clear data.
13670 (lower_stmt): Do not handle COMPOUND_EXPR.
13671 Remove call to print_node_brief.
13672 * c-tree.h (c_finish_omp_clauses): New prototype.
13673 (C_DECL_THREADPRIVATE_P): Define.
13674 (lookup_name_no_remap, c_omp_remap_private): Remove
13675 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13676 (check_for_loop_decls): Update decl.
13677 (lookup_name_no_remap, c_omp_remap_private): Declare.
13678 (build_indirect_ref, build_modify_expr, pushdecl,
13679 pushdecl_top_level): Move to c-common.h.
13680 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13681 before the switch, but just in the 2 places that need it.
13682 * c-decl.c (diagnose_mismatched_decls): Do not check for
13683 mismatched thread-local attributes when OLDDECL is marked
13684 threadprivate and NEWDECL has no thread-local attributes.
13685 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13686 (c_gimple_diagnostics_recursively): Rename from
13687 c_warn_unused_result_recursively. Invoke
13688 diagnose_omp_structured_block_errors.
13689 (check_for_loop_decls): Return a singular decl found.
13690 * langhooks.c (lhd_omp_predetermined_sharing): Return
13691 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13692 (lhd_omp_firstprivatize_type_sizes): New.
13693 (lhd_omp_assignment): New.
13694 (lhd_omp_predetermined_sharing): New.
13695 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13696 (struct lang_hooks_for_types): Add
13697 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13698 omp_predetermined_sharing, omp_disregard_value_expr,
13699 omp_private_debug_clause, omp_clause_default_ctor,
13700 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13701 (c_finish_omp_clauses): New.
13702 (c_finish_bc_stmt): Diagnose break within omp for.
13703 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13704 (build_unary_op): Return error_mark after reporting
13706 (build_modify_expr): Likewise.
13707 * gimplify.c: Include optabs.h and pointer-set.h.
13708 (enum gimplify_omp_var_data): Declare.
13709 (struct gimplify_omp_ctx): Declare.
13710 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13712 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13713 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13714 (splay_tree_compare_decl_uid): New.
13715 (new_omp_context): New.
13716 (delete_omp_context): New.
13717 (gimple_add_tmp_var): Call omp_add_variable.
13718 (gimplify_bind_expr): Likewise.
13719 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13720 true, disregard DECL_VALUE_EXPR on the decl if any.
13721 (gimplify_expr_in_ctx): New.
13722 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13723 omp_add_variable, omp_notice_variable, omp_is_private
13724 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13725 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13726 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13727 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13728 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13729 gimplify_omp_atomic): New.
13730 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13731 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13732 OMP_CRITICAL and OMP_ATOMIC.
13733 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13734 * c-pragma.h (enum pragma_kind): Add
13735 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13736 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13737 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13738 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13739 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13740 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13741 PRAGMA_OMP_THREADPRIVATE.
13742 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13743 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13744 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13745 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13746 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13747 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13748 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13749 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13750 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13751 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13752 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13753 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13754 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13756 (struct nesting_info): Add field_map,
13757 suppress_expansion, debug_var_chain.
13758 (create_nesting_tree): Initialize them.
13759 (lookup_field_for_decl): Use field_map.
13760 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13761 (convert_local_omp_clauses): New.
13762 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13763 (walk_body): Split out of walk_function.
13764 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13765 (convert_nonlocal_reference): Handle omp statements.
13766 (convert_local_reference): Likewise.
13767 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13768 (unnest_nesting_tree): New.
13769 (lower_nested_functions): Call it.
13770 (insert_field_into_struct): Make extern.
13771 (struct walk_stmt_info): Move to tree-gimple.h.
13772 (walk_stmts): Make extern.
13773 * omp-builtins.def: New file.
13774 * tree-iterator.c (expr_only): Clarify comment.
13775 * c-common.h (pushdecl_top_level, pushdecl,
13776 build_modify_expr, build_indirect_ref,
13777 c_finish_omp_master, c_finish_omp_critical,
13778 c_finish_omp_ordered, c_finish_omp_barrier,
13779 c_finish_omp_atomic, c_finish_omp_flush,
13780 c_finish_omp_for, c_split_parallel_clauses,
13781 omp_clause_default_kind, c_omp_sharing_predetermined,
13782 c_omp_remap_decl): Declare.
13783 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13784 (OBJS-common): Add omp-low.o.
13785 (c-omp.o, omp-low.o): Add.
13786 (gimplify.o): Add dependency on $(OPTABS_H).
13787 (GTFILES): Add omp-low.c.
13788 (gt-stringpool.h): Add.
13789 * tree-cfg.c (set_bb_for_stmt): Do not update the
13790 block-to-labels map if we are currently expanding to RTL.
13791 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13793 Handle IDENTIFIER_NODE.
13794 (tree_verify_flow_info): Do not ICE when emitting error
13795 messages about invalid labels.
13796 (dump_function_to_file): Reset CFUN before emitting the body
13798 (debug_function): New.
13799 * passes.c (init_optimization_passes): Schedule
13801 * langhooks-def.h (lhd_omp_predetermined_sharing,
13802 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13804 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13805 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13806 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13807 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13808 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13809 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13810 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13811 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13812 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13813 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13814 (LANG_HOOK_DECLS): Use them.
13816 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13817 Richard Henderson <rth@redhat.com>
13818 Jakub Jelinek <jakub@redhat.com>
13819 Diego Novillo <dnovillo@redhat.com>
13821 * c-parser.c (pragma_omp_clause): Define.
13822 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13823 (c_parser_compound_statement): Likewise.
13824 (c_parser_statement): Likewise.
13825 (c_parser_pragma): Handle omp pragmas.
13826 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13827 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13828 (c_parser_omp_clause_name, check_no_duplicate_clause,
13829 c_parser_omp_variable_list,
13830 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13831 c_parser_omp_clause_copyprivate,
13832 c_parser_omp_clause_default,
13833 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13834 c_parser_omp_clause_lastprivate,
13835 c_parser_omp_clause_nowait,
13836 c_parser_omp_clause_num_threads,
13837 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13838 c_parser_omp_clause_reduction,
13839 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13840 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13841 c_parser_omp_atomic, c_parser_omp_barrier,
13842 c_parser_omp_critical, c_parser_omp_flush,
13843 c_parser_omp_for_loop, c_parser_omp_for,
13844 c_parser_omp_master, c_parser_omp_ordered,
13845 c_parser_omp_sections_scope, c_parser_omp_sections,
13846 c_parser_omp_parallel, c_parser_omp_single,
13847 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13848 * c-pragma.c (init_pragma): Do omp pragma registration here.
13849 * c.opt (fopenmp): New flag.
13851 2006-01-18 Eric Christopher <echristo@apple.com>
13853 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13854 * config/darwin.h (GOMP_SELF_SPECS): Define.
13856 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13858 * rtl.h: Remove the prototype for reg_alloc.
13860 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13863 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13864 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13865 sjlj and dwarf2 exception handling.
13866 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13867 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13868 * pa/pa.c (function_value): Treat complex and vector types as
13870 (function_arg): Likewise. Only pass scalar floats in the floating
13871 point argument registers.
13872 * pa/t-slibgcc-dwarf-ver: New file.
13873 * pa/t-slibgcc-sjlj-ver: New file.
13874 * pa/t-slibgcc-elf-ver: Delete file.
13876 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13878 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13879 unlikely_test_section_p test.
13881 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13883 * mode-switching.c (optimize_mode_switching): Make it static.
13884 * basic-block.h: Remove the prototype for
13885 optimize_mode_switching.
13887 * modulo-sched.c (sms_schedule): Make it static.
13888 * rtl.h: Remove the prototype for sms_schedule.
13890 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13891 * rtl.h: Remove the prototype for gcse_after_reload_main.
13893 * reg-stack.c (reg_to_stack): Make it static.
13894 * rtl.h: Remove the prototype for reg_to_stack.
13896 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13898 * rtl.h: Remove the prototypes for regrename_optimize and
13899 copyprop_hardreg_forward.
13901 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13903 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13904 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13905 Test against the appropriate null constant for the mode.
13906 If 'fixup_overlap' is true, swap the operands if they overlap.
13907 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13908 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13909 alpha_split_tmode_pair and adjust for above change.
13910 * config/alpha/alpha.md (movtf_internal): Adjust call to
13911 alpha_split_tfmode_pair and rely on it to swap the operands.
13912 (movti_internal): New insn and post-reload splitter.
13913 (movti): New expander.
13915 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13917 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13920 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13922 * rtlanal.c (global_reg_mentioned_p_1,
13923 global_reg_mentioned_p): Remove.
13924 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13926 * flow.c (initialize_uninitialized_subregs): Make it static.
13927 * rtl.h: Remove the prototype for
13928 initialize_uninitialized_subregs.
13930 * function.c (instantiate_virtual_regs): Make it static.
13931 * function.h: Remove the prototype for
13932 instantiate_virtual_regs.
13934 * regmove.c (regmove_optimize, combine_stack_adjustments):
13936 * rtl.h: Remove the prototypes for regmove_optimize and
13937 combine_stack_adjustments.
13939 2006-01-17 Roger Sayle <roger@eyesopen.com>
13941 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13942 (size_cost): Encode costs in bytes so that a reg-reg addition is
13943 equivalent to COSTS_N_INSNS(1).
13944 (override_options): Use the size_cost.branch_cost as the default
13945 ix86_branch_cost when optimizing for size.
13947 2006-01-18 Ben Elliston <bje@au.ibm.com>
13949 * Makefile.in (D32PBIT_FUNCS): New.
13950 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13951 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13952 D64PBIT_FUNCS and D128PBIT_FUNCS.
13953 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13954 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13956 (decnumber_dep): Define.
13957 * doc/libgcc.texi (Decimal float library routines): New node.
13958 * config/dfp-bit.h, config/dfp-bit.c: New files.
13960 2006-01-18 Ben Elliston <bje@au.ibm.com>
13962 * expr.c (emit_move_change_mode): Always adjust addresses, not
13963 just during reload. Copy replacements only during reload.
13964 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13965 emit_move_via_integer.
13967 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13969 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13970 instead of $(srcdir) and ${srcdir}.
13972 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13975 PR middle-end/11135
13976 * arm.h (struct machine_function): Add pic_reg.
13977 * arm.c (arm_pic_register): Make unsigned.
13978 (arm_override_options): Only set arm_pic_register if
13979 TARGET_SINGLE_PIC_BASE.
13980 (use_return_insn): Only test for a pic register if it is fixed.
13981 (arm_compute_save_reg0_reg12_mask): Likewise.
13982 (thumb_compute_save_reg_mask): Likewise.
13983 (legitimate_pic_operand): Factor out some known invariants.
13984 (legitimize_pic_address): If we don't have a fixed pic register,
13985 then set up a pseudo in the function entry sequence. Handle the
13986 pic base being in a pseudo.
13987 (arm_load_pic_register): Handle the pic register being in a pseudo.
13988 (arm_expand_prologue): Only set up the pic register if it is fixed.
13989 (thumb_expand_prologue): Likewise.
13990 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13991 (pic_load_addr_based_insn): Likewise.
13992 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13995 2006-01-18 Ben Elliston <bje@au.ibm.com>
13997 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13998 decimal float modes for all floating point registers.
14000 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14001 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14003 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14006 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14007 even when the pointer is not NULL.
14009 2006-01-16 Ian Lance Taylor <ian@airs.com>
14011 * common.opt (ftoplevel-reorder): New option.
14012 * cgraph.c (cgraph_asm_nodes): New global variable.
14013 (cgraph_asm_last_node): New static variable.
14014 (cgraph_order): New global variable.
14015 (cgraph_create_node): Set new order field.
14016 (cgraph_varpool_node): Likewise.
14017 (decide_is_variable_needed): Return true if not
14018 flag_toplevel_reorder.
14019 (cgraph_add_asm_node): New function.
14020 * cgraph.h (struct cgraph_node): Add order field.
14021 (struct cgraph_varpool_node): Add order field.
14022 (struct cgraph_asm_node): Define.
14023 (cgraph_asm_nodes, cgraph_order): Declare.
14024 (cgraph_add_asm_node): Declare.
14025 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14027 (cgraph_varpool_assemble_pending_decls): Call it.
14028 (cgraph_output_pending_asms): New static function.
14029 (cgraph_finalize_compilation_unit): Call it.
14030 (struct cgraph_order_sort): Define.
14031 (cgraph_output_in_order): New static function.
14032 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14033 !flag_toplevel_reorder case.
14034 * c-parser.c: Include "cgraph.h".
14035 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14037 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14038 than -fno-unit-at-a-time.
14039 * doc/invoke.texi (Option Summary): Mention
14040 -fno-toplevel-reorder.
14041 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14042 -funit-at-a-time documentation.
14044 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14045 Kazu Hirata <kazu@codesourcery.com>
14047 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14049 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14051 * Makefile.in (FUNCTION_H): New. Use it instead of
14052 function.h throughout the file.
14053 * function.h: Include tree.h.
14055 2006-01-17 Ben Elliston <bje@au.ibm.com>
14057 * recog.c: Separate some functions with whitespace.
14059 2006-01-16 Richard Henderson <rth@redhat.com>
14061 Merge from gomp branch:
14062 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14063 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14064 and rename from struct inline_data. Rename callee* to dst*;
14065 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14066 transform_new_cfg, transform_return_to_modify, and
14067 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14069 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14070 (copy_decl_for_dup): Remove.
14071 * tree-inline.c (struct inline_data): Move to header.
14072 (insert_decl_map): Export.
14073 (remap_decl): Update for member name changes. Use copy_decl hook.
14074 Allow for replacement to be a non-decl. Remove dead code.
14075 (remap_type_1): Check for existing mapping.
14076 (remap_type): Export.
14077 (remap_decls): Update for member name changes.
14078 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14079 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14080 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14081 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14082 (tree_function_versioning, build_duplicate_type): Likewise.
14083 (copy_body_r): Likewise. Export.
14084 (copy_decl_for_dup): Split into ...
14085 (copy_decl_for_dup_finish, copy_decl_to_var,
14086 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14087 (replace_ref_tree, inlining_p): Remove.
14089 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14091 * ifcvt.c (if_convert): Make it static.
14092 * rtl.h: Remove the prototype for if_convert.
14094 * local-alloc.c (local_alloc): Make it static.
14095 * rtl.h: Remove the prototype for local_alloc.
14097 * loop.c (loop_optimize): Make it static.
14098 * cfgloop.h: Remove the prototype for loop_optimize.
14101 2006-01-16 DJ Delorie <dj@redhat.com>
14103 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14106 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14108 * pa.md: Disparage copies between general and floating-point registers
14109 in 32-bit move patterns.
14111 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14114 * Makefile.in (check-%): Depend on site.exp instead of
14115 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14118 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14120 * global.c (global_alloc): Make it static.
14121 * rtl.h: Remove the prototype for global_alloc.
14123 2006-01-16 Richard Guenther <rguenther@suse.de>
14125 * tree-ssa-alias.c (struct used_part): Add write_only field.
14126 (get_or_create_used_part_for): Initialize it to true.
14127 (create_overlap_variables_for): Don't create structure variables
14128 for structures that only are written to.
14129 (find_used_portions): Handle MODIFY_EXPR to track whether a
14130 structure is only written to.
14132 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14134 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14136 * basic-block.h: Remove the prototype for
14137 partition_hot_cold_basic_blocks.
14139 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14141 * cppspec.c (lang_specific_spec_functions): Remove.
14142 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14143 * gcc.h (lang_specific_spec_functions): Remove.
14144 * gccspec.c (lang_specific_spec_functions): Remove.
14146 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14148 * combine.c (record_value_for_reg): Invalidate registers
14150 (record_dead_and_set_regs_1): Likewise, by passing them to
14151 record_value_for_reg.
14152 (record_dead_and_set_regs): Invalidate stores made by a
14153 call. We do not combine across a call, but we still
14154 relied on equivalences.
14156 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14158 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14159 vrp_int_const_binop returning non-constant nodes.
14161 2006-01-16 Paul Brook <paul@codesourcery.com>
14163 * config/m68k/m68k.c (output_move_const_into_data_reg):
14164 Output correct mnemonic for mvz and mvs.
14166 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14168 * rtl-factoring.c: Add sequence abstraction algorithm.
14169 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14170 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14172 (block_has_preserve_label): New function.
14173 * common.opt: Register new pass.
14174 * Makefile.in: Ditto.
14176 * timevar.def: Ditto.
14177 * tree-pass.h: Ditto.
14178 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14179 * rtl.h (make_jump_insn_raw): Add forward decl.
14180 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14182 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14183 Roger Sayle <roger@eyesopen.com>
14185 * fold-const.c (fold_minmax): New static function.
14186 (fold_binary) <MIN_EXPR>: Call it.
14187 <MAX_EXPR>: Likewise.
14188 * stor-layout.c (place_field): Use DECL_SIZE consistently
14189 in the computation of the new record size.
14191 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14193 * cse.c (cse_condition_code_reg): Make it static.
14194 * rtl.h: Remove the prototype for cse_condition_code_reg.
14196 * combine.c (combine_instructions): Make it static.
14197 * rtl.h: Remove the prototype for combine_instructions.
14199 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14202 * tree.c (get_file_function_name_long): Concatenate the first global
14203 object name with a string derived from the input filename of the object
14206 2006-01-16 Ben Elliston <bje@au.ibm.com>
14208 * config/i386/winnt-stubs.c: Update FSF address.
14209 * config/xtensa/ieee754-df.S: Ditto.
14210 * config/xtensa/ieee754-sf.S: Ditto.
14212 2006-01-14 Ian Lance Taylor <ian@airs.com>
14214 * ifcvt.c (noce_init_if_info): New static function, broken out of
14215 noce_process_if_block.
14216 (noce_process_if_block): Call noce_init_if_info.
14217 (check_cond_move_block): New static function.
14218 (cond_move_process_if_block): New static function.
14219 (process_if_block): Call cond_move_process_if_block.
14221 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14223 * cselib.c (hash_table): Rename to cselib_hash_table.
14224 (cselib_clear_table, discard_useless_values,
14225 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14226 cselib_init, cselib_finish): Adjust uses of hash_table.
14228 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14230 PR tree-optimization/25485
14231 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14232 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14233 is known to be false and true, respectively.
14235 2006-01-14 Richard Guenther <rguenther@suse.de>
14237 PR tree-optimization/22548
14238 PR tree-optimization/22555
14239 PR tree-optimization/22501
14240 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14241 * params.def (salias-max-array-elements): New parameter.
14242 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14243 * doc/invoke.texi (salias-max-array-elements): Document.
14244 * tree-flow-inline.h (var_can_have_subvars): We also handle
14246 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14248 * tree-ssa-structalias.c (params.h): Include.
14249 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14250 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14251 (get_constraint_for): For ADDR_EXPR operating on something
14252 containing an ARRAY_REF, add all subvars to the solution.
14253 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14254 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14255 for creating MUST_DEFs.
14256 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14258 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14260 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14262 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14263 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14264 number_of_iterations_le): New functions.
14265 (number_of_iterations_special): Removed.
14266 (number_of_iterations_exit): Do not use number_of_iterations_special.
14267 * tree.c (unsigned_type_for): Always return integer type.
14269 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14270 Richard Guenther <rguenther@suse.de>
14272 PR rtl-optimization/24257
14273 * gcse.c (find_moveable_store): Only consider a store movable
14274 when the SET_SRC of the insn can be assigned to a register.
14276 2006-01-14 Ian Lance Taylor <ian@airs.com>
14278 * tree.c (tree_not_class_check_failed): New function.
14279 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14280 (tree_not_class_check_failed): Declare.
14282 2006-01-13 Ian Lance Taylor <ian@airs.com>
14284 * reload1.c (do_output_reload): Add assertion rejecting a
14287 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14289 * combine.c (struct reg_stat): Add new fields truncation_label and
14291 (record_value_for_reg): Reset truncated_to_mode.
14292 (record_truncated_value): New function.
14293 (check_promoted_subreg): Call it. Rename to check_conversions.
14294 (combine_instructions): Rename check_promoted_subreg to
14296 (reg_truncated_to_mode): New function.
14297 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14298 (gen_lowpart_or_truncate): New function.
14299 (force_to_mode): Use it instead of gen_lowpart.
14301 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14303 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14304 VAR is a tag, not its type tag.
14306 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14308 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14309 alternatives to match style of other entries.
14310 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14312 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14314 PR tree-optimization/25771
14315 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14318 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14321 * tree-inline.c (declare_return_variable): If the return variable
14322 was marked as a non gimple complex, set the return slot variable
14323 to be a non gimple comple variable.
14325 2006-01-13 Richard Guenther <rguenther@suse.de>
14327 * builtins.c (expand_builtin_sincos): New function.
14328 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14330 (expand_builtin): Expand sincos using expand_builtin_sincos.
14332 2006-01-12 DJ Delorie <dj@redhat.com>
14334 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14335 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14336 so that constant shifts can be split.
14337 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14338 (m32c_valid_pointer_mode): Make static.
14339 (shift_gen_func_for): New.
14340 (m32c_prepare_shift): Use it. Split large const shifts into
14342 * config/m32c/predicates.md (shiftcount_operand): Allow more
14344 (longshiftcount_operand): New.
14345 * doc/md.texi (Machine Constraints): Document In6.
14347 2006-01-13 Ben Elliston <bje@au.ibm.com>
14349 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14350 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14353 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14355 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14356 to try to avoid clobbering pieces of structures when we know
14357 something about the whole structure.
14358 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14360 2006-01-13 Ben Elliston <bje@au.ibm.com>
14362 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14363 return in memory, as this is no limitation is no longer present.
14365 2006-01-12 DJ Delorie <dj@redhat.com>
14367 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14368 mova with fb, and for fb+0 -> An.
14370 * config/m32c/mov.md (peephole2): Fix enabling logic.
14372 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14373 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14374 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14375 FINI_ARRAY_SECTION_ASM_OP): Define.
14377 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14379 (m32c_legitimize_reload_address): New logic to reload FB to An.
14380 (m32c_output_reg_push): Add newline.
14381 (m32c_output_reg_pop): Likewise.
14383 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14385 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14387 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14389 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14391 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14393 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14396 2006-01-11 Ben Elliston <bje@au.ibm.com>
14398 * rtlanal.c (find_reg_note): Assert insn is not null.
14400 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14402 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14405 2006-01-11 Jeff Law <law@redhat.com>
14407 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14409 (mark_threaded_blocks, register_jump_thread): New functions.
14410 (thread_through_all_blocks): Remove unwanted argument. No
14411 longer rely on e->aux to communicate thread target info.
14412 Call mark_threaded_blocks. Release the threaded_blocks
14413 bitmap and threaded_edges vector when complete.
14414 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14415 (threaded_blocks): Remove.
14416 (tree_ssa_dominator_optimize): Remove initialization and
14417 finalization of threaded_blocks. Simplify call to
14418 thread_through_all_blocks.
14419 (thread_across_edge): Call register_jump_thread rather than
14420 storing thread information into e->aux.
14421 (free_all_edge_infos): Simplify now that e->aux is no longer
14422 used to communicate with thread_through_all_blocks.
14423 * tree-flow.h (thread_through_all_blocks): Update prototype.
14424 (register_jump_thread): Prototype.
14426 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14428 * df-core.c (df_compact_blocks, df_bb_replace): Use
14429 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14431 2006-01-11 Richard Guenther <rguenther@suse.de>
14433 PR tree-optimization/25734
14434 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14435 stop propagation after successful propagation to the LHS.
14437 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14439 * basic-block.h (control_flow_graph): Change the type of
14440 x_basic_block_info to VEC(basic_block,gc) *.
14441 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14443 (SET_BASIC_BLOCK): New.
14444 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14445 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14446 * cfgbuild.c (find_basic_blocks): Likewise.
14447 * cfglayout.c (fixup_reorder_chain): Likewise.
14448 * cfgrtl.c (create_basic_block_structure,
14449 rtl_create_basic_block): Likewise.
14450 * ifcvt.c (find_if_case_1): Likewise.
14451 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14454 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14456 * Makefile.in: Removed rotted odf.c entry.
14458 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14461 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14462 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14463 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14464 output pattern modifier, not %e.
14465 * config/cris/cris.c (cris_op_str): Update comment about pattern
14467 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14468 before falling through into...
14469 <case 'E'>: Redefined from old 'e' case.
14471 2006-01-11 Jan Hubicka <jh@suse.cz>
14474 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14476 2006-01-11 Jan Hubicka <jh@suse.cz>
14478 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14479 * i386.c (x86_decompose_lea): Kill.
14480 (ix86_rtx_costs): Kill.
14482 2006-01-11 Jan Hubicka <jh@suse.cz>
14484 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14485 * cgraph.h (cgraph_node): Add inline_decl.
14486 (cgraph_insert_node_to_hashtable): Declare.
14487 (save_inline_function_body): Declare.
14488 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14490 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14491 (cgraph_function_versioning): Update call of tree_function_versioning.
14492 (save_inline_function_body): New function.
14493 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14494 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14495 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14496 (cgraph_default_inline_p): Likewise.
14497 (cgraph_decide_inlining_incrementally): Likewise.
14498 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14499 (copy_bb): Kill saving; do updating of clones.
14500 (copy_cfg_body): Kill saving.
14501 (initialize_inlined-parameters): Likewise.
14502 (expand_call_inline): Likewise.
14504 (tree_function_versioning): New parameter "update_clones".
14505 (inlining_p): Kill saving.
14506 * tree-inline.h (tree_function_versioning): Update prototype.
14507 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14510 2006-01-11 Ian Lance Taylor <ian@airs.com>
14512 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14513 Allow undoing set of machine mode.
14514 (do_SUBST): Use enums instead of is_int.
14515 (do_SUBST_MODE): New function.
14516 (SUBST_MODE): New macro.
14517 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14518 reg and trying to replace reg_regno_rtx with a new register.
14519 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14520 (simplify_set): Use SUBST_MODE.
14521 (distribute_notes): Remove code that tried to update reg notes
14522 for regno_reg_rtx changes.
14524 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14526 PR tree-optimization/23109
14527 PR tree-optimization/23948
14528 PR tree-optimization/24123
14530 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14531 * tree-cfg.c (single_noncomplex_succ): New.
14532 * tree-flow.h (single_noncomplex_succ): Declare it.
14533 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14534 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14535 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14536 insert_bb, register_division_in, insert_reciprocals,
14537 replace_reciprocal, free_bb): New.
14538 (execute_cse_reciprocals_1): Rewritten.
14539 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14540 Do not commit any edge insertion. Always compute dominators and
14541 create the allocation pool.
14542 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14543 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14544 * targhooks.c (default_min_divistions_for_recip_mul): New.
14545 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14546 * passes.c (init_optimization_passes): Run recip after tree loop
14548 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14550 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14551 Kenneth Zadeck <zadeck@naturalbridge.com>
14553 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14554 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14555 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14556 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14557 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14558 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14559 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14560 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14561 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14562 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14563 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14564 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14565 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14566 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14567 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14568 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14569 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14570 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14571 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14572 DF_SCAN_POST_ALLOC): New macros.
14573 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14574 df_free_bb_function, df_local_compute_function, df_init_function,
14575 df_dataflow_function, df_confluence_function_0,
14576 df_confluence_function_n, df_transfer_function,
14577 df_finalizer_function, df_free_function, df_dump_problem_function,
14578 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14579 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14580 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14581 df_urec_bb_info, ) New types.
14582 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14584 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14585 df_analyze_simple_change_some_blocks,
14586 df_analyze_simple_change_one_block, df_compact_blocks,
14587 df_bb_replace, df_bb_regno_last_use_find,
14588 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14589 df_insn_regno_def_p, df_find_def, df_find_use,
14590 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14591 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14592 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14593 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14594 debug_df_chain, df_get_dependent_problem, df_chain_create,
14595 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14596 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14597 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14598 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14599 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14600 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14601 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14602 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14603 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14604 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14605 df_reorganize_refs, df_set_state, df_hard_reg_init,
14606 df_read_modify_subreg_p) New public functions.
14607 * df-core.c: The core dataflow solver and glue routines for rtl
14609 (df_init, df_add_problem, df_set_blocks, df_finish,
14610 df_hybrid_search_forward, df_hybrid_search_backward,
14611 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14612 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14613 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14614 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14615 df_reg_defined, df_find_use, df_reg_used, df_dump,
14616 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14617 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14618 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14619 debug_df_useno, reset_df_after_reload): New functions.
14620 * df-scan.c: The scanning fuctions, once in df.c, completely
14621 rewritten so that they now fully model the functionality of
14622 register usage at the backend.
14623 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14624 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14625 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14626 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14627 df_get_artificial_defs, df_get_artificial_uses,
14628 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14629 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14630 df_refs_delete, df_reorganize_refs, df_set_state,
14631 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14632 df_def_record_1, df_defs_record, df_uses_record,
14633 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14634 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14635 df_record_exit_block_uses, df_hard_reg_init): New functions.
14637 * df-problems.c: Seven concrete dataflow problems that use the
14638 scanning in df-scan.c and are solved by the engine in df-core.c.
14639 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14640 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14641 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14642 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14643 df_ru_free_bb_info, df_ru_alloc,
14644 df_ru_bb_local_compute_process_def,
14645 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14646 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14647 df_ru_transfer_function, df_ru_free, df_ru_dump,
14648 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14649 df_rd_free_bb_info, df_rd_alloc,
14650 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14651 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14652 df_rd_transfer_function, df_rd_free, df_rd_dump,
14653 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14654 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14655 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14656 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14657 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14658 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14659 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14660 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14661 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14662 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14663 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14664 df_urec_mark_reg_use_for_earlyclobber,
14665 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14666 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14667 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14668 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14669 df_chain_create_bb_process_use, df_chain_create_bb,
14670 df_chain_finalize, df_chain_free, df_chains_dump,
14671 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14672 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14673 df_reg_lifetime): New functions.
14674 * df.c: Deleted file.
14675 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14676 consistent with new df api.
14677 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14678 rest_of_handle_sms): Ditto.
14679 * web.c (unionfind_union, union_defs, entry_register, web_main):
14681 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14682 invariant_expr_equal_p, find_defs, check_dependencies,
14683 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14684 free_inv_motion_data, move_loop_invariants): Ditto.
14685 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14686 Update dependencies.
14687 (odf.c): Added defective entry that was deleted later in day.
14688 * sched-deps.c (sched_analyze_1): Ditto.
14690 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14692 * tree-ssa-operands.c (get_expr_operands): Record addressable
14693 variables directly. Do not call add_stmt_operands for CONST_DECLs
14695 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14696 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14698 2006-01-11 Ben Elliston <bje@au.ibm.com>
14700 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14701 function returns true in the positive case.
14703 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14706 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14707 for SI, DI, SF and DF modes. Add alternatives to copy between
14708 general and floating point registers to the 32-bit patterns.
14709 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14710 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14711 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14712 generating 64-bit code.
14713 * config/pa/pa.c (output_move_double): Handle copies between general
14714 and floating registers.
14716 2006-01-10 Stuart Hastings <stuart@apple.com>
14718 * config/i386/i386.md (set_got): Update.
14719 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14720 (builtin_setjmp_receiver): Mach-O support.
14721 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14722 (GOT_SYMBOL_NAME): Define.
14723 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14724 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14725 * config/i386/i386.c (override_options): Revise for Darwin.
14726 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14727 support. (darwin_x86_file_end): New. (output_set_got): Add label
14728 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14729 * config/i386/i386-protos.h (output_set_got): Likewise.
14730 * config/darwin.c (machopic_legitimize_pic_address): Update
14733 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14735 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14736 when MODE isn't BLKmode.
14738 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14740 PR rtl-optimization/25367
14741 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14743 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14746 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14747 for a negative bound.
14749 2006-01-10 Richard Guenther <rguenther@suse.de>
14751 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14752 Never override with anything constraint.
14754 2006-01-10 Jan Beulich <jbeulich@novell.com>
14756 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14757 256 bits when optimize_size.
14759 2006-01-10 Jan Beulich <jbeulich@novell.com>
14761 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14763 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14764 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14767 2006-01-10 Ben Elliston <bje@au.ibm.com>
14769 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14771 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14772 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14773 (USE_FP_FOR_ARG): Reject decimal float modes.
14774 (function_arg_advance): Likewise.
14775 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14776 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14777 point types in AltiVec vectors.
14778 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14779 (rs6000_libcall_value): Likewise.
14781 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14783 * config/xtensa/ieee754-df.S: New file.
14784 * config/xtensa/ieee754-sf.S: New file.
14785 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14786 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14787 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14789 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14791 * config/sh/predicates.md (binary_float_operator,
14792 binary_logical_operator, commutative_float_operator,
14793 equality_comparison_operator, greater_comparison_operator,
14794 less_comparison_operator, logical_operator,
14795 noncommutative_float_operator, shift_operator,
14796 symbol_ref_operand, unary_float_operator): Remove redundant
14799 2006-01-09 Jeff Law <law@redhat.com>
14801 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14802 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14803 now unused arguments. Callers updated.
14804 (eliminate_redundant_computations): Remove now unused arguments,
14806 (local_fold): Remove, no longer used.
14807 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14809 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14810 (simplify_cond): New function.
14811 (forward_propagate_into_cond): Call simplify_cond.
14813 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14815 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14816 (*vec_extractv2di_1_sse): New.
14818 2006-01-09 Ben Elliston <bje@au.ibm.com>
14820 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14822 2006-01-08 Richard Guenther <rguenther@suse.de>
14824 * tree-ssa-structalias.c (get_constraint_for): Remove
14825 anyoffset argument.
14826 (get_constraint_for_component_ref): Likewise.
14827 (do_deref): Likewise.
14828 (get_constraint_for): Likewise.
14829 (do_structure_copy): Likewise.
14830 (handle_ptr_arith): Likewise.
14831 (find_func_aliases): Likewise. Remove unused need_anyoffset
14834 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14835 Kaz Kojima <kkojima@gcc.gnu.org>
14837 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14838 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14839 (EXTRA_CONSTRAINT_C16): Remove.
14840 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14841 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14842 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14843 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14844 constants of SHmedia. Handle nested constant expressions of
14846 (andcosts): Fix the costs for SHmedia constants.
14847 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14848 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14849 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14850 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14851 (movv4hi_i, movv2si_i): Likewise.
14852 (movsi_const): Adjust the second operand of ior so to match with
14853 the Csu constraint.
14854 (movdi_const, movdi_const_32bit): Likewise.
14855 (movdi_const_16bit+1): Don't sign-extend LOW.
14856 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14858 (*double_shori): Fix the split condition. Use GEN_INT instead
14859 of get_int_mode calls. Mask lower 16-bit of the argument of
14861 (sym2GOTPLT): Remove.
14862 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14864 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14865 instead of EXTRA_CONSTRAINT_C16.
14867 2006-01-07 Ian Lance Taylor <ian@airs.com>
14868 David Edelsohn <edelsohn@gnu.org>
14870 PR rtl-optimization/25662
14871 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14872 for constant operands instead of simplify_gen_binary.
14873 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14874 after trying simplify_binary_operation
14876 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14878 * tree.c (iterative_hash_expr): Hash decls based on UID.
14880 2006-01-06 Eric Christopher <echristo@apple.com>
14882 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14883 (TARGET_UNWIND_EMIT): Fix spelling.
14884 * target.h (gcc_target): Add except_table_label.
14885 * except.c (output_function_exception_table): Use.
14886 * varasm.c (default_emit_except_table_label): New.
14887 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14889 (asm_out): Add here.
14890 * output.h (default_emit_except_table_label): Prototype.
14891 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14892 * config/darwin.c (darwin_emit_except_table_label): Define.
14893 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14895 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14897 PR tree-optimization/18527
14898 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14899 number_of_iterations_special, number_of_iterations_exit):
14900 Move base and step of an iv to a single structure. Add
14901 no_overflow flag, and use it in # of iterations analysis.
14902 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14903 folded_casts argument.
14904 (simple_iv): Pass base and step in a structure. Set no_overflow
14906 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14907 Evaluate expensiveness of computing # of iterations instead of
14908 the final expression.
14909 * tree-scalar-evolution.h (affine_iv): New structure.
14910 (simple_iv): Declaration changed.
14911 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14912 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14913 find_givs_in_stmt): Changed due to simple_iv change.
14915 2006-01-06 Jeff Law <law@redhat.com>
14918 * tree-cfg.c (bsi_replace): Rename final argument from
14919 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14920 change (stmt -> orig_stmt).
14921 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14922 (bsi_remove): Add new argument. Remove EH information
14924 (verify_eh_throw_table_statements): New function.
14925 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14927 * tree-optimize.c (execute_free_cfg_annotations): Verify
14928 the EH throw statement table after removing annotations.
14929 * except.h (verify_eh_throw_table_statements): Prototype.
14930 * tree-flow.h (bsi_remove): Update prototype.
14931 * tree-vrp.c (remove_range_assertions): Add new argument to
14933 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14934 * tree-complex.c (expand_complex_div_wide): Likewise.
14935 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14936 * tree-tailcall.c (eliminate_tailcall): Likewise.
14937 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14938 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14939 * tree-nrv.c (tree_nrv): Likewise.
14940 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14941 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14942 (combine_blocks): Likewise.
14943 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14944 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14945 (cleanup_control_flow): Likewise.
14946 (remove_forwarder_block): Likewise.
14947 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14948 * tree-sra.c (sra_replace): Likewise.
14949 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14950 (forward_propagate_single_use_vars): Likewise.
14951 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14952 * tree-inline.c (expand_call_inline): Likewise.
14953 * tree-vect-transform.c (vect_transform_loop): Likewise.
14954 * tree-outof-ssa.c (rewrite_trees): Likewise.
14955 * tree-cfg.c (make_goto_expr_edges): Likewise.
14956 (cleanup_dead_labels): Likewise.
14957 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14958 (bsi_move_before, bsi_move_after): Likewise.
14959 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14960 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14962 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14965 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14967 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14968 on non gimple variables. Also add checks at the top for decls and
14970 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14972 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14973 and IMAGPART_EXPR for creating MUST_DEFs.
14974 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14975 and NAME_MEMORY_TAG separately from the DECLs.
14977 2006-01-06 Richard Guenther <rguenther@suse.de>
14979 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14980 annotation, if necessary.
14981 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14982 redundant calls to update_stmt.
14983 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14986 2006-01-05 Richard Henderson <rth@redhat.com>
14988 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14990 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14992 * c-typeck.c: Update copyright date.
14994 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14996 * c-typeck.c (build_c_cast): Always warn when casting
14997 from a pointer to an integer of different size, even if
14998 the node was constant.
15000 2006-01-05 Richard Guenther <rguenther@suse.de>
15002 PR tree-optimization/22555
15003 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15004 if one structure field is an array.
15005 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15006 operands even if we found a subvar, but ignore VOPs in this
15008 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15010 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15012 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15014 PR middle-end/24998
15015 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15017 2006-01-05 Richard Guenther <rguenther@suse.de>
15018 Diego Novillo <dnovillo@redhat.com>
15020 * tree-pass.h (TODO_remove_unused_locals): Define.
15021 * gimple-low.c (expand_var_p, remove_useless_vars,
15022 pass_remove_useless_vars): Remove. Update all users.
15023 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15024 (remove_unused_locals): New function.
15025 * tree-flow.h (remove_unused_locals): Declare.
15026 * passes.c (execute_todo): Call remove_unused_locals if
15027 TODO_remove_unused_locals is set.
15028 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15029 * tree-ssa-dce.c (pass_dce): Likewise.
15030 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15032 2006-01-05 Richard Guenther <rguenther@suse.de>
15034 * tree-flow.h (struct fieldoff): Decompose field to
15035 type, size and decl.
15036 * tree-ssa-alias.c (create_sft): Take type as parameter.
15037 (create_overlap_variables_for): Store type, size and decl
15038 in the fieldoff structure.
15039 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15040 of struct fieldoff.
15041 (push_fields_onto_fieldstack): Likewise.
15042 (create_variable_info_for): Likewise. Use offset for the
15043 SFT name if the decl is not available.
15045 2006-01-04 Paul Brook <paul@codesourcery.com>
15047 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15049 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15051 * lambda-code.c (can_put_in_inner_loop): Relax
15053 (can_put_after_inner_loop): New function.
15054 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15055 (perfect_nestify): Change to make copies and modify uses.
15057 2006-01-04 Richard Henderson <rth@redhat.com>
15059 Merge from gomp branch:
15060 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15061 via integer constant.
15062 (pragma_lex): Remove.
15063 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15064 rather than parsing it.
15065 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15066 handle_pragma_extern_prefix): Add %< %> quotes.
15067 (registered_pragmas): New.
15068 (c_register_pragma_1): New.
15069 (c_register_pragma): Use it.
15070 (c_register_pragma_with_expansion): Likewise.
15071 (c_invoke_pragma_handler): New.
15072 (init_pragma): Use cpp_register_deferred_pragma directly for
15074 * c-pragma.h (enum pragma_kind): New.
15075 (pragma_handler): New.
15076 (c_invoke_pragma_handler): Declare.
15077 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15079 * c-common.h (c_common_pch_pragma): Update decl.
15080 * Makefile.in (c-parser.o): Update dependencies.
15081 (GTFILES): Add c-pragma.h.
15082 * c-parser.c (struct c_token): Add pragma_kind.
15083 (struct c_parser): Add in_pragma.
15084 (c_lex_one_token): Always initialize keyword and pragma_kind.
15085 Extract data for CPP_PRAGMA.
15086 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15087 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15088 Don't allow CPP_PRAGMA_EOL if in_pragma.
15089 (c_parser_consume_pragma): New.
15090 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15091 (c_parser_skip_to_end_of_parameter): Likewise.
15092 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15093 (c_parser_skip_to_pragma_eol): New.
15094 (c_parser_external_declaration): Handle CPP_PRAGMA.
15095 (c_parser_compound_statement_nostart): Likewise.
15096 (c_parser_statement_after_labels): Likewise.
15097 (c_parser_pragma): New.
15098 (pragma_lex): Likewise.
15099 (c_parser_pragma_pch_preprocess): New.
15100 (c_parser_new): Merge into ...
15101 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15103 2006-01-04 Jeff Law <law@redhat.com>
15106 * tree-cfg.c (bsi_replace): Remove the original statement
15107 from the EH throw statement table.
15109 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15111 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15112 make the prototype extern "C" and add throw ().
15115 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15116 and pos non-negative and pos + len <= 32.
15117 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15118 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15119 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15122 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15123 as well as sizes not multiple of component size.
15126 * function.c (instantiate_expr): New function.
15127 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15128 walk its DECL_VALUE_EXPR with instantiate_expr.
15130 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15131 DW_OP_deref{,_size} if address isn't going to be added.
15133 2006-01-04 Ben Elliston <bje@au.ibm.com>
15135 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15136 * config/fp-bit.c: Likewise.
15138 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15140 * dominance.c: Add comment about why we use DFS numbering
15143 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15144 Richard Henderson <rth@redhat.com>
15146 Merge from gomp-branch:
15147 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15148 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15150 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15152 PR rtl-optimization/25578
15153 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15154 pass a parameter to simplify_shift_const if changing ASHIFTRT
15157 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15159 * builtins.c (get_builtin_sync_mem): New function.
15160 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15161 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15162 Call get_builtin_sync_mem to generate mem rtx.
15164 2006-01-03 Richard Guenther <rguenther@suse.de>
15167 * stmt.c (add_case_node): Make sure to clear overflow flags
15170 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15172 Merge from gomp-branch.
15173 * config/sparc/sync.md: New file.
15174 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15175 UNSPECV_LDSTUB): New constants.
15176 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15177 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15178 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15181 2006-01-03 Roger Sayle <roger@eyesopen.com>
15183 * combine.c (reg_subword_p): New predicate to test whether the
15184 destination of a set refers to a subword/piece of a register.
15185 (try_combine): Generalize the code to merge the setting of a
15186 pseudo to a constant followed by a set of a subword of that
15187 register to a constant.
15189 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15191 * basic-block.h (control_flow_graph): Change the type of
15192 x_label_to_block_map to VEC(basic_block,gc) *.
15193 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15194 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15196 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15197 VEC(basic_block,heap) *.
15198 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15199 ssa_prop_fini): Adjust the uses of cfg_blocks.
15201 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15203 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15205 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15206 hashing trees instead of a pointer hash.
15207 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15208 compare for MEM_EXPR.
15210 PR rtl-optimization/25130
15211 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15212 when comparing MEMs for GCSE
15214 2006-01-03 Ben Elliston <bje@au.ibm.com>
15216 * targhooks.h (default_decimal_float_supported_p): Declare.
15217 * targhooks.c (default_decimal_float_supported_p): Define.
15218 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15219 `default_decimal_float_supported_p'.
15220 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15222 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15224 * combine.c (apply_distributive_law <SUBREG>): Check
15225 TRULY_NOOP_TRUNCATION.
15227 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15229 * dwarf2out.c (have_switched_text_section): Delete.
15230 (have_multiple_function_sections): New.
15231 (have_location_lists): Make 'bool'.
15232 (add_AT_loc_list): Use 'true' not '1'.
15233 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15234 (output_loc_list): Use have_multiple_function_sections.
15235 (output_ranges): Likewise.
15236 (dwarf2out_begin_function): Set have_multiple_function_sections if
15238 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15239 Check function_section rather than DECL_SECTION_NAME.
15240 (dwarf2out_finish): Use have_multiple_function_sections.
15241 Don't clear have_location_lists.
15243 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15244 Jan Hubicka <jh@suse.cz>
15246 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15247 case of conditional jump jumping to the next instruction.
15248 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15249 cases of conditional jump jumping to the next instruction.
15251 2006-01-02 Jan Hubicka <jh@suse.cz>
15253 * i386.c (*_cost): Add COSTS_N_INSNS.
15254 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15256 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15259 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15261 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15263 * config/arm/arm.c (all_fpus): Fix comment typo.
15264 * config/darwin.c: Likewise.
15265 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15266 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15267 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15269 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15271 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15272 (rs6000_split_compare_and_swapqhi): New.
15273 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15274 (sync_compare_and_swapqhi_internal): New.
15275 * config/rs6000/rs6000-protos.h: Declare.