1 2006-09-23 Jakub Jelinek <jakub@redhat.com>
5 * tree.c (merge_attributes, attribute_list_contained): If both
6 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
8 * c-typeck.c (comptypes_internal): Don't consider aggregates
9 in different TUs as compatible if there one set of attributes is
10 not a subset of the other type's attributes.
11 (composite_type): Try harder not to create a new aggregate type.
13 2006-09-22 Geoffrey Keating <geoffk@apple.com>
15 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
16 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
17 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
18 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
19 than replicating condition above.
20 * config.host (i[34567]86-*-*): Always use driver-i386.o.
22 * config/darwin.h (LINK_SYSROOT_SPEC): New.
23 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
24 the linker by default.
26 2006-09-22 Mike Stump <mrs@apple.com>
28 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
31 2006-09-22 Richard Guenther <rguenther@suse.de>
34 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
35 sort of stack variables stable.
37 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
40 * explow.c (force_reg): Set REG_POINTER flag according to
43 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
45 PR tree-optimization/28888
46 * tree-if-conv.c (combine_blocks): Rewritten.
47 * tree-cfg.c (tree_verify_flow_info): Check that edges with
48 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
50 2006-09-22 Jakub Jelinek <jakub@redhat.com>
52 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
55 2006-09-21 Richard Sandiford <richard@codesourcery.com>
57 * varasm.c (copy_constant): Fix reversed gcc_assert check.
59 2006-09-21 Janis Johnson <janis187@us.ibm.com>
61 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
63 2006-09-21 Roger Sayle <roger@eyesopen.com>
66 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
67 dw_fde_current_label, to be the start of the function, i.e. the same
68 value as dw_fde_begin.
70 2006-09-20 Richard Sandiford <richard@codesourcery.com>
72 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
73 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
74 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
75 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
76 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
77 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
78 (abs<mode>2, neg<mode>2): Likewise.
79 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
80 (*mips_abs_ps): New define_insn.
82 2006-09-20 Josh Conner <jconner@apple.com>
85 * calls.c (expand_call): Allow reuse of structure return stack
88 2006-09-20 Paul Brook <paul@codesourcery.com>
90 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
93 2006-09-20 Janis Johnson <janis187@us.ibm.com>
95 * doc/extend.texi (Decimal Float): Update for latest draft TR,
98 2006-09-20 Steve Ellcey <sje@cup.hp.com>
101 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
102 with tablejumps in them.
104 2006-09-20 Jakub Jelinek <jakub@redhat.com>
107 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
108 wrap it into TARGET_EXPR.
110 2006-09-20 Eric Christopher <echristo@apple.com>
112 * config/i386/i386.c (x86_fisttp): Remove.
113 * config/i386/i386.h (x86_fisttp): Ditto.
114 (TARGET_FISTTP): Ditto.
116 2006-09-19 Eric Christopher <echristo@apple.com>
118 * doc/tm.texi (OBJC_JBLEN): Describe.
119 * config/i386/darwin.h (OBJC_JBLEN): Define.
120 * config/rs6000/darwin.h: Ditto.
122 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
124 PR rtl-optimization/21299
125 * reload1.c (reload): Purge invalid ASMs in the final pass.
127 2006-09-19 Steve Ellcey <sje@cup.hp.com>
130 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
131 pointers as legitimate constants.
133 2006-09-19 Paul Brook <paul@codesourcery.com>
136 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
138 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
140 PR tree-optimization/28887
141 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
142 component parts from the reference.
143 (gather_memory_references_ref): Record the reference without the
144 nonaddressable component parts.
146 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
149 * c-opts.c (c_common_handle_option): Ignore the -std options
150 if the input language is assembly.
152 2006-09-17 Ira Rosen <irar@il.ibm.com>
155 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
157 (ptr_ptr_may_alias_p): Likewise.
158 (record_record_differ_p): New function.
159 (base_object_differ_p): Call record_record_differ_p.
161 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
164 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
165 away for the expr argument.
167 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
170 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
171 before using it for dumping after vectorizing loops.
173 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
174 Jack Howarth <howarth@bromo.med.uc.edu>
177 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
178 skip on error_mark_node.
179 (rs6000_darwin64_record_arg_recurse): Likewise.
181 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
183 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
184 * doc/rtl.texi: Remove related documentation.
186 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
188 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
191 2006-09-15 Jim Wilson <wilson@specifix.com>
193 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
194 Handle symbol offsets same as they are handled in ia64_expand_move
197 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
199 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
200 Add forgotten parameter to the fprintf call.
202 2006-09-15 Steve Ellcey <sje@cup.hp.com>
204 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
206 2006-09-15 Uros Bizjak <uros@kss-loka.si>
208 * doc/contrib.texi: Add my entry.
210 2006-09-15 Nick Clifton <nickc@redhat.com>
212 * doc/md.texi (Processor pipeline description): Fix typo in
213 example of how to use the absence_set directive and reword the
214 description to make it slightly easier to read.
216 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
218 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
219 * loop-doloop.c (doloop_optimize): Use it to limit costs of
220 expanding the number of iterations.
221 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
223 * cfgrtl.c (emit_insn_at_entry): New function.
224 * rtl.h (emit_insn_at_entry): Declare it.
225 * integrate.c (emit_initial_value_sets): Use it.
227 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
229 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
231 (struct loop_work and related VEC declarations): Delete.
232 (bfin_dump_loops): Print out new member bad.
233 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
234 (bfin_scan_loop): Don't recurse.
235 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
236 loops. No longer need to update outer loops if the current one is
237 found bad. Move some validitiy checks to bfin_discover_loop.
238 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
239 but changed not to check for nesting. Also changed to use the new bad
241 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
242 time. Use bitmap based test to discover loop nesting.
244 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
246 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
249 2006-09-14 Richard Guenther <rguenther@suse.de>
250 Kazu Hirata <kazu@codesourcery.com>
253 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
254 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
255 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
256 with TARGET_FUNCTION_VALUE.
258 2006-09-14 Anatoly Sokolov <aesok@post.ru>
261 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
263 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
265 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
268 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
271 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
274 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
276 * basic_block.h (bb_has_eh_pred): Fix comment.
278 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
280 * flow.c (calculate_global_regs_live): Invalidate eh registers
281 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
282 (propagate_block): Handle eh registers as if they were set at basic
284 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
286 * global.c (global_conflicts): Make eh registers to conflict with
287 pseudos live at basic block begin.
288 * basic_block.h (bb_has_eh_pred): New function.
290 2006-09-13 Richard Sandiford <richard@codesourcery.com>
292 PR rtl-optimization/28982
293 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
294 index of a PRE_MODIFY or POST_MODIFY address.
295 * reload1.c (inc_for_reload): Use find_replacement on the original
296 base and index registers.
298 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
300 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
301 for -Os. Update __m128 alignment requirement.
303 2006-09-13 Jan Hubicka <jh@suse.cz>
305 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
307 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
309 PR rtl-optimization/28243
310 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
311 the insn to which the note was originally attached.
313 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
314 Roger Sayle <roger@eyesopen.com>
316 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
317 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
318 on platforms that don't use dwarf for debug info.
320 2006-09-12 Jason Merrill <jason@redhat.com>
323 * builtins.c (expand_builtin_setjmp_receiver): Clobber
324 hard_frame_pointer_rtx after using it to update the frame pointer.
326 2006-09-12 Roger Sayle <roger@eyesopen.com>
328 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
329 (TARGET_ASM_CLOSE_PAREN): Likewise.
330 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
331 (TARGET_ASM_CLOSE_PAREN): Likewise.
333 2006-09-12 Roger Sayle <roger@eyesopen.com>
336 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
337 frame information for frames larger than 512 Kbytes on Tru64 when
338 using the native assembler.
340 2006-09-12 Roger Sayle <roger@eyesopen.com>
344 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
345 and symbols. Instead use the implementation from cse.c's hash_rtx.
347 2006-09-12 Jan Hubicka <jh@suse.cz>
349 PR rtl-optimization/28071
350 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
351 (vect_transform_loop): Likewise.
352 * tree-vectorizer.c (new_loop_vec_info): Likewise.
353 (new_loop_vec_info): Likewise.
354 (destroy_loop_vec_info): Likewise.
355 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
356 (create_stmt_ann): Likewise.
357 (create_tree_ann): Rename to ...
358 (create_tree_common_ann): ... this one; allocate only the common part
360 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
361 (get_value_handle): Likewise.
362 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
364 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
365 (vinfo_for_stmt): Use stmt annotations.
366 * tree-flow.h (tree_ann_common_t): New type.
367 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
368 (tree_ann, get_tree_ann, create_tree_ann): New.
369 * tree-flow-inline.h (get_function_ann): Do more type checking.
370 (stmt_ann): Likewise.
371 (tree_ann): Rename to ...
372 (tree_common_ann): ... this one; return ony common_ann
373 (get_tree_ann): Rename to ...
374 (tree_common_ann): This one; return only common_ann.
375 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
378 2006-09-11 Geoffrey Keating <geoffk@apple.com>
380 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
383 * dwarf2out.c (dwarf_file_data): New.
384 (enum dw_val_class): Add dw_val_class_file.
385 (struct dw_val_struct): Add val_file.
386 (file_table): Change to a hash table.
387 (file_table_emitted): Delete.
388 (file_table_last_lookup_index): Delete.
390 (last_emitted_file): New.
391 (lookup_filename): Change prototype to return a struct dwarf_file_data.
392 (init_file_table): Delete.
393 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
394 (AT_addr): Add comment.
398 (print_die): Handle dw_val_class_file.
399 (print_dwarf_line_table): Update for new file table structure.
400 (attr_checksum): Do checksum a filename.
401 (same_dw_val_p, same_attr_p): Do compare a filename.
402 (size_of_die): Handle dw_val_class_file.
403 (value_format): Likewise.
404 (output_die): Likewise. Also, call maybe_emit_file here.
405 (struct file_info): Constify filenames. Make file_idx a pointer
406 to a struct dwarf_file_data.
407 (struct dir_info): Constify directory names. Remove 'used' field.
408 (struct file_name_acquire_data): New.
409 (file_name_acquire): New.
410 (output_file_names): Modify to handle new file data structures.
411 (add_src_coords_attributes): Use add_AT_file.
412 (add_call_src_coords_attributes): Likewise.
413 (dwarf2out_imported_module_or_decl): Likewise.
414 (gen_subprogram_die): Modify for new file data structures.
415 (gen_variable_die): Likewise.
416 (file_table_eq): New.
417 (file_table_hash): New.
418 (file_table_last_lookup): New.
419 (lookup_filename): Rewrite to handle new file data structures.
420 (maybe_emit_file): Rewrite to handle new file data structures.
421 (dwarf2out_source_line): Always call lookup_filename and
423 (dwarf2out_init): Create file_table here.
424 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
425 (file_table_relative_p): New.
426 (dwarf2out_finish): Change detection of relative filenames
427 to work with new file data structures. Move output_line_info call
428 after debug_info output.
430 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
435 * config/i386/i386.c (override_options): Always default to 16
438 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
441 * var-tracking.c (dump_dataflow_set): Start dumping at
443 (clobber_variable_part): Kill only the variable part in
444 registers holding it, leaving other variables alone.
446 2006-09-11 Josh Triplett <josh@freedesktop.org>
448 * doc/extend.texi (Other Builtins): Actually use the macro
449 argument in the documentation example for
450 __builtin_types_compatible_p.
452 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
454 PR rtl-optimization/28726
455 * sched-deps.c (sched_analyze_reg): New function extracted from...
456 (sched_analyze_1): ...here. Call it to analyze references to
457 registers. Treat again writes to a stack register as writing to the
459 (sched_analyze_2): ...and here. Call it to analyze references to
460 registers. Treat again reads of a stack register as reading the
463 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
464 David Edelsohn <edelsohn@gnu.org>
467 * config/rs6000/spe.md (frob_df_di): Remove %H.
468 (frob_di_df): Remove %H. Change evmergelo to mr.
469 (frob_di_df_2): Remove %H. Change evldd to two loads.
471 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
473 * doc/cpp.texi: Fix names of charset options.
475 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
478 * config/i386/i386.c (override_options): Use 128-bit
479 stack boundary always for 64bits.
481 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
483 PR rtl-optimization/28636
484 * combine.c (force_to_mode): Test for side-effects before
485 substituting by zero.
486 (simplify_shift_const): Likewise for zero or other constants.
488 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
491 * builtins.c (expand_builtin_setjmp): Force next_lab to be
494 2006-09-10 Richard Sandiford <richard@codesourcery.com>
497 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
498 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
499 returned by mode_for_size, rather than the mode of src itself,
500 to choose between 32-bit and 64-bit patterns.
501 (mips_mem_fits_mode_p): New function.
502 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
503 that the size of the source matches the size of the destination.
504 (mov_<store>l, mov_<store>r): Likewise.
506 2006-09-10 Eric Christopher <echristo@apple.com>
508 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
511 2006-09-09 Eric Christopher <echristo@apple.com>
514 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
517 2006-09-09 Roger Sayle <roger@eyesopen.com>
518 Nicolas Setton <setton@adacore.com>
520 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
522 2006-09-10 Andreas Schwab <schwab@suse.de>
524 * config/m68k/m68k.md (bungt_rev): New pattern.
526 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
527 Dale Johannesen <dalej@apple.com>
530 * regclass.c (struct reg_pref): Update documentation.
531 (regclass): Set prefclass to NO_REGS if memory is the best option.
532 (record_reg_classes): Cope with a prefclass set to NO_REGS.
534 2006-09-08 Eric Christopher <echristo@apple.com>
536 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
537 * config/t-slibgcc-darwin: Support x86_64 multilib.
538 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
539 Return 1 for x86_64-darwin.
540 * config/i386/t-darwin: Add m64 multilib.
541 (LIB2_SIDITI_CONV_FUNCS): Use.
542 (LIB2FUNCS_EXTRA): Ditto.
543 * config/i386/darwin.h: Support x86_64.
544 * config/i386/i386.c (override_options): Turn on flag_pic
545 for x86_64-darwin. Disable flag_omit_pointer.
546 (get_pc_thunk_name): Assert !TARGET_64BIT.
547 (legitimate_address_p): Disable machopic addressing for
549 (legitimize_pic_address): Ditto.
550 (ix86_expand_move): Ditto.
551 (ix86_expand_call): Ditto.
552 (machopic_output_stub): Ditto.
553 * config/darwin.c (machopic_select_section): Support literal16.
554 (machopic_select_rtx_section): Ditto.
555 * config/darwin-sections.def: Ditto.
556 * config/darwin-64.c: New.
558 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
561 * c-tree.h (struct c_arg_info): Add pending_sizes.
562 * c-parser.c (c_parser_parms_declarator,
563 c_parser_parms_list_declarator): Initialize pending_sizes.
564 * c-decl.c (get_parm_info): Initialize pending_sizes.
565 (get_parm_info): Set pending_sizes.
566 (grokdeclarator): Call put_pending_sizes for parameters for
567 function definition only.
569 2006-09-07 Jason Merrill <jason@redhat.com>
572 * varasm.c (output_constant): Only strip actual no-op conversions.
575 * config/i386/i386.c (override_options): Use 128-bit
576 stack boundary if -msse.
578 2006-09-07 Eric Christopher <echristo@apple.com>
580 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
582 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
585 2006-09-07 Geoffrey Keating <geoffk@apple.com>
587 * dwarf2out.c: Remove strange characters from comment above
588 dwarf2out_frame_debug_expr.
590 2006-09-07 Eric Christopher <echristo@apple.com>
592 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
593 * config/darwin.h: ... to here.
595 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
597 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
599 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
600 (TARGET_PARTIAL_FLAG_REG_STALL): New.
602 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
603 TARGET_PARTIAL_FLAG_REG_STALL.
604 (*ashldi3_cconly_rex64): Likewise.
605 (*ashlsi3_cmp): Likewise.
606 (*ashlsi3_cconly): Likewise.
607 (*ashlsi3_cmp_zext): Likewise.
608 (*ashlhi3_cmp): Likewise.
609 (*ashlhi3_cconly): Likewise.
610 (*ashlqi3_cmp): Likewise.
611 (*ashlqi3_cconly): Likewise.
612 (*ashrdi3_cmp_rex64): Likewise.
613 (*ashrdi3_cconly_rex64): Likewise.
614 (*ashrsi3_cmp): Likewise.
615 (*ashrsi3_cconly): Likewise.
616 (*ashrsi3_cmp_zext): Likewise.
617 (*ashrhi3_cmp): Likewise.
618 (*ashrhi3_cconly): Likewise.
619 (*ashrqi3_cmp): Likewise.
620 (*ashrqi3_cconly): Likewise.
621 (*lshrdi3_cmp_rex64): Likewise.
622 (*lshrdi3_cconly_rex64): Likewise.
623 (*lshrsi3_cmp): Likewise.
624 (*lshrsi3_cconly): Likewise.
625 (*lshrsi3_cmp_zext): Likewise.
626 (*lshrhi3_cmp): Likewise.
627 (*lshrhi3_cconly): Likewise.
628 (*lshrqi2_cmp): Likewise.
629 (*lshrqi2_cconly): Likewise.
631 2006-09-07 Uros Bizjak <uros@kss-loka.si>
634 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
635 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
636 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
637 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
638 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
639 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
640 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
641 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
642 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
643 implement only CC setting effects of shift instructions.
645 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
647 * doc/contrib.texi: Add myself.
649 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
652 * stor-layout.c (relayout_decl): Don't zero the alignment if it
655 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
658 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
659 (divsi_inv_m1): Use them.
660 (UNSPEC_DIV_INV_TABLE): New constant.
662 2006-09-06 James E Wilson <wilson@specifix.com>
665 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
666 then call count_or_remove_death_notes.
668 2006-09-06 Jason Merrill <jason@redhat.com>
671 * tree-inline.c (copy_result_decl_to_var): New fn.
672 (declare_return_variable): Use it. Call declare_inline_vars here.
673 (expand_call_inline): Not here.
675 2006-09-06 Diego Novillo <dnovillo@redhat.com>
677 * doc/contrib.texi: Update my entry.
679 2006-09-06 Nick Clifton <nickc@redhat.com>
681 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
683 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
686 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
687 (canonicalize_induction_variables): Likewise.
688 (tree_unroll_loops_completely): Likewise.
689 (tree_ssa_prefetch_arrays): Likewise.
690 (remove_empty_loops): Likewise.
691 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
692 TODO_cleanup_cfg instead of directly calling
693 cleanup_tree_cfg_loop.
694 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
696 (tree_unroll_loops_completely): Likewise.
697 (remove_empty_loops): Likewise.
698 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
699 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
700 of tree_ssa_unswitch_loops.
701 (tree_ssa_loop_ivcanon): Use the return value of
702 canonicalize_induction_variables.
703 (tree_ssa_empty_loop): Use the return value of
705 (tree_complete_unroll): Use the return value of
706 tree_unroll_loops_completely.
707 (tree_ssa_loop_prefetch): Use the return value of
708 tree_ssa_prefetch_arrays.
709 * passes.c (execute_todo): Before Cleanup CFG, set
710 updating_used_alone and after cleanup CFG, call
711 recalculate_used_alone.
713 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
716 * tree-vect-transform.c (vectorizable_condition): Move the check
717 for the type after the check for simple condition.
719 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
720 Kaz Kojima <kkojima@gcc.gnu.org>
723 * mode-switching.c (optimize_mode_switching): Make the destination
724 block of an abnormal edge have no anticipatable mode. Don't
725 insert mode switching code at the end of the source block of
728 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
730 PR rtl-optimization/26847
731 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
732 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
733 (simplify_plus_minus): Count n_constants while filling ops. Replace
734 qsort with insertion sort. Before going through the array to simplify
735 pairs, sort it. Delay early exit until after the first sort, exiting
736 only if no swaps occurred. Simplify pairs in reversed order, without
737 special-casing the first iteration. Pack ops after simplifying pairs.
739 2006-09-05 Anatoly Sokolov <aesok@post.ru>
741 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
742 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
743 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
744 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
746 2006-09-05 Richard Guenther <rguenther@suse.de>
748 PR tree-optimization/28900
749 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
750 compound conditional before creating COND_EXPR condition.
752 2006-09-05 Richard Guenther <rguenther@suse.de>
754 PR tree-optimization/28905
755 * tree-vrp.c (fix_equivalence_set): Manually implement
756 !value_ranges_intersect_p to also handle symbolic ranges.
758 2006-09-05 Richard Guenther <rguenther@suse.de>
761 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
764 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
766 PR rtl-optimization/27616
767 * cse.c (table_size): New static variable.
768 (new_basic_block): Initialize it to 0.
769 (remove_from_table): Decrement it.
770 (insert): Increment it.
771 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
772 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
773 fold_rtx_mem_1 if under the cap.
774 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
775 the lookup of the equivalent expression and test for equality of the
776 first operand of the equivalent expression before in turn looking up
777 an equivalent constant for the second operand.
779 2006-09-02 Geoffrey Keating <geoffk@apple.com>
782 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
783 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
784 pointer, instead of assuming it is possible to derive the
785 correct args size from a call insn.
787 2006-09-02 Jakub Jelinek <jakub@redhat.com>
790 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
791 (fold_builtin_mempcpy): Rename to...
792 (fold_builtin_memory_op): ... this. Optimize one element copy
794 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
796 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
797 (expand_builtin_memcpy, expand_builtin_mempcpy,
798 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
799 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
800 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
801 BUILT_IN_MEM{CPY,PCPY,MOVE}.
803 2006-09-01 DJ Delorie <dj@redhat.com>
805 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
807 ("stzx_24_<mode>"): Likewise.
808 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
809 ("cmp<mode>_op"): New.
810 (cmp<mode>): Change to expander; just save operands.
812 (b<code>): Change to expander, emit compare here.
813 (s<code>_op): Change to use split and expander.
814 (s<code>_24_op): Likewise.
815 (s<code>_<mode>): New.
816 (s<code>_<mode>_24): New.
817 (movqicc_<code>_<mode): New.
818 (movhicc_<code>_<mode>): New.
821 * config/m32c/m32c.c (compare_op0, compare_op1): New.
822 (m32c_pend_compare): New.
823 (m32c_unpend_compare): New.
824 (m32c_expand_scc): New.
825 (m32c_expand_movcc): Emit the compare also.
826 * config/m32c/predicates.md (mra_nopp_operand): New.
828 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
829 Richard Guenther <rguenther@suse.de>
830 Adam Nemet <anemet@caviumnetworks.com>
833 * builtins.c (get_pointer_alignment): Handle more forms
834 of base addresses that can be used to derive more precise
835 information about alignment.
837 2006-09-01 Jason Merrill <jason@redhat.com>
840 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
843 * gimplify.c (voidify_wrapper_expr): Handle null type.
845 2006-09-01 Josh Conner <jconner@apple.com>
848 * tree-nrv.c (dest_safe_for_nrv_p): New function.
849 (execute_return_slot_opt): Use it.
851 2006-08-31 Josh Conner <jconner@apple.com>
854 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
855 returning aggregates.
857 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
859 PR tree-optimization/28839
860 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
861 blocks in that phi arguments appear.
863 2006-08-31 Roger Sayle <roger@eyesopen.com>
866 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
867 NULL, otherwise use an advance_loc4 to adjust relative to the
869 (output_cfi) <DW_CFA_set_loc>: Update the current label.
870 (dwarf2out_switch_text_section): Reset the current label to avoid
871 using advance_loc4 over section boundaries.
873 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
876 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
877 r12 + SYMBOLIC_CONST.
879 2006-08-30 Richard Guenther <rguenther@suse.de>
881 * Makefile.in (see.o): Add $(EXPR_H) dependency.
883 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
885 PR rtl-optimization/27735
886 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
887 Add new argument to keep track of whether an irreducible region
888 was affected. All callers changed.
889 (fix_irreducible_loops): Removed.
890 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
891 flags were invalidated.
893 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
895 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
896 instead of SF operands.
897 (*fop_df_comm_sse): Likewise.
898 (*fop_df_comm_i387): Likewise.
899 (*fop_df_1_mixed): Likewise.
900 (*fop_df_1_sse): Likewise.
902 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
903 J"orn Rennecke <joern.rennecke@st.com>
905 PR tree-optimization/17506
906 * tree-ssa.c (warn_uninit): If warning about a location outside of
907 the current function, note where the variable was declared.
909 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
911 PR tree-optimization/28411
912 * double-int.c (double_int_div): Use double_int_divmod.
913 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
914 double_int_mod, double_int_smod, double_int_umod): New functions.
915 * double-int.h (double_int_divmod, double_int_sdivmod,
916 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
918 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
920 (get_computation_aff, get_computation_cost_at): Handle double_int
921 return type of constant_multiple_of.
923 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
926 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
927 an implicit conversion.
929 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
931 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
933 2006-08-27 Roger Sayle <roger@eyesopen.com>
935 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
938 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
940 * config/i386/crtfastmath.c: Fix a comment typo.
942 2006-08-26 Roger Sayle <roger@eyesopen.com>
944 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
945 temporary visit flags on CASE_LABEL_EXPRs.
946 * c-common.c (match_case_to_enum): Add function comment. Avoid
947 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
948 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
949 CASE_HIGH_SEEN for enumerated types. If the switch expression is
950 a constant, only warn if that constant value isn't handled.
952 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
955 * input.h (restore_input_file_stack): Declare.
956 (INPUT_FILE_STACK_BITS): Define.
957 * toplev.c (fs_p, input_file_stack_history,
958 input_file_stack_restored, restore_input_file_stack): New.
959 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
960 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
961 (pop_srcloc): Don't free old state of stack.
963 2006-08-26 David Edelsohn <edelsohn@gnu.org>
966 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
967 (PowerPC Type Attributes): New.
969 2006-08-26 Bob Wilson <bob.wilson@acm.org>
971 * config/xtensa/xtensa.c (function_arg_boundary): New.
972 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
974 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
975 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
977 2006-08-26 Jakub Jelinek <jakub@redhat.com>
980 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
983 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
985 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
986 (verify_local_live_at_start): Likewise.
988 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
991 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
992 omp_add_variable): Treat sizes as variable whenever not
995 2006-08-26 Richard Guenther <rguenther@suse.de>
998 * fold-const.c (fold_binary): Fold temporary to correct
999 type before constructing new comparison.
1001 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1004 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1005 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1007 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1010 * c-decl.c (start_function): Don't try to process prototype
1011 information from old declaration that isn't a function.
1013 2006-08-25 Jan Hubicka <jh@suse.cz>
1016 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1018 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1021 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1024 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1026 PR tree-optimization/16876
1027 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1028 exit if PARM doesn't match VALUE.
1030 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1032 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1033 literal_prefix directive.
1034 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1035 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1036 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1038 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1041 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1042 predicate to general_operand. Add 0->y and I->r alternatives.
1044 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1046 * doc/tm.texi: Fix a typo.
1047 * predict.c: Fix comment typos.
1049 2006-08-25 Nick Clifton <nickc@redhat.com>
1051 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1052 assertions of "cpu" and "machine".
1054 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1057 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1058 the access through a base which has an alias set of 0 cannot
1061 2006-08-24 Bill Wendling <wendling@apple.com>
1063 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1065 2006-08-24 Jan Hubicka <jh@suse.cz>
1067 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1069 2006-08-24 Jan Hubicka <jh@suse.cz>
1072 * cgraph.c: Fix comments.
1073 (cgraph_varpool_mark_needed_node): Mark only variables not already
1075 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1076 (cgraph_varpool_assembled_nodes_queue): New static variable.
1077 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1078 (cgraph_varpool_output_debug_info): New function.
1079 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1080 * Makefile.in: Add gt-cgraphunit.h
1082 2006-08-24 Jan Hubicka <jh@suse.cz>
1084 * predict.c (probability_reliable_p): New predicate.
1085 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1086 (predict_loops): Do not predict loop exit with less than 2%
1088 * basic-block.h (edge_probability_reliable_p,
1089 br_prob_note_reliable_p): Declare.
1090 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1091 prediction when static predictor is not reliable.
1092 * rs6000.c (output_cbranch): Likewise.
1094 2006-08-23 Stuart Hastings <stuart@apple.com>
1097 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1098 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1100 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1103 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1104 complex values, nor for generic vector values.
1106 2006-08-22 Richard Guenther <rguenther@suse.de>
1109 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1110 parameter. Convert arguments to arithmetic expression to the
1112 (analyze_scalar_evolution_1): Adjust caller.
1114 2006-08-22 Jan Hubicka <jh@suse.cz>
1116 Patch by Paolo Bonzini
1117 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1120 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1122 PR tree-optimization/28003
1123 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1124 before grouping aliases.
1126 2006-08-22 Roger Sayle <roger@eyesopen.com>
1128 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1129 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1131 2006-08-21 Jason Merrill <jason@redhat.com>
1134 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1135 wrapper. Loop to handle nested wrappers.
1136 (gimplify_bind_expr): Remove temp parameter.
1137 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1138 and STATEMENT_LIST on the rhs.
1139 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1140 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1141 (gimplify_target_expr): Remove special BIND_EXPR handling.
1143 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1145 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1148 2006-08-21 Olivier Hainque <hainque@adacore.com>
1150 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1151 Arrange for the temporary captures of components overlapping the lhs
1152 to happen before the lhs is possibly cleared.
1154 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1156 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1157 necessary places to pass the correct "number of registers" values
1160 2006-08-20 Jan Hubicka <jh@suse.cz>
1162 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1163 (create_name_tags): Instead of quadratic checking use hashtable.
1164 * bitmap.h: Include hashtab.h.
1165 (bitmap_hash): Declare.
1166 * bitmap.c (bitmap_hash): New function.
1168 2006-08-20 Jan Hubicka <jh@suse.cz>
1170 PR rtl-optimization/28071
1171 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1173 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1174 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1175 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1176 cgraph_decide_inlining_incrementally): Update use of
1177 cgraph_check_inline_limits.
1178 * cgraph.c (edge_hash, edge_eq): New function.
1179 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1180 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1181 cgraph_remove_node): Maintain call site hash.
1182 * cgraph.h (struct cgraph_node): Add call_site_hash.
1183 (cgraph_set_call_stmt): New function.
1185 2006-08-20 Jan Hubicka <jh@suse.cz>
1187 PR rtl-optimization/28071
1188 * reload1.c (reg_has_output_reload): Turn into regset.
1189 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1190 choose_reload_regs, emit_reload_insns): Update to new
1191 reg_has_output_reload.
1193 2006-08-20 Jan Hubicka <jh@suse.cz>
1196 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1197 function body sizes.
1198 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1200 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1203 * tree.c (handle_dll_attribute): Return early if not a
1204 var or function decl.
1206 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1209 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1210 alignment of SPE vector types.
1212 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1214 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1216 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1219 * cgraph.h (struct cgraph_node): Remove externally_visible
1221 * cgraphunit.c (process_function_and_variable_attributes): Set
1222 local.externally_visible rather than externally_visible.
1225 * c-common.c (handle_externally_visible_attribute): First look
1226 at TREE_CODE and only if it is function or var decl, check for
1227 non-public objects. Don't warn for DECL_EXTERNAL.
1228 * cgraphunit.c (process_function_and_variable_attributes): Warn
1229 if externally_visible attribute is used on non-public object.
1231 2006-08-17 Jan Hubicka <jh@suse.cz>
1233 PR tree-optimization/27865
1234 * reload1.c (forget_marked_reloads): New function.
1235 (forget_old_reloads_1): When data are passed, just mark the registers
1237 (reload_as_needed): Use the new mechanizm.
1239 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1242 * reload.h (reg_equiv_alt_mem_list): New declaration.
1243 * reload1.c (reg_equiv_alt_mem_list): New definition.
1244 (reload): Initialize it and release it.
1245 (delete_output_reload): Use it.
1246 * reload.c (push_reg_equiv_alt_mem): New function.
1247 (find_reloads_toplev): Call it.
1248 (find_reloads_address, find_reloads_address_1): Likewise.
1249 (find_reloads_subreg_address): Likewise.
1251 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1253 PR rtl-optimization/28489
1254 * sched-ebb.c (begin_schedule_ready): Create basic block
1256 (advance_target_bb): Skip empty blocks.
1257 * haifa-sched.c (bb_note): Make global.
1258 * sched-int.h (bb_note): Add prototype.
1260 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1262 PR tree-optimization/27865
1263 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1265 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1266 fold_used_pointer, pointer_used_p): New functions.
1267 (analyze_scalar_evolution_1): Use fold_used_pointer.
1268 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1269 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1272 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1275 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1276 or the INTEGER_CST. Fail on a CALL_EXPR.
1277 (fold_offsetof): Pass new argument to fold_offsetof_1.
1278 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1279 operand into an INDIRECT_REF.
1280 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1282 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1284 PR gcov/profile/26570
1285 * value-prof.c (static_values): Removed.
1286 (tree_find_values_to_profile): Do not set static_values.
1287 (find_values_to_profile): Do not free static_values.
1288 * profile.c (instrument_values): Do not free the values.
1289 (branch_prob): Free the values.
1291 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1293 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1295 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1298 * c-typeck.c (build_component_ref): Combine qualifiers of
1299 structure or union and field.
1301 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1303 PR rtl-optimization/28071
1304 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1305 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1306 * tree-into-ssa.c (struct dom_dfsnum): New.
1307 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1309 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1310 compute_global_livein.
1311 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1312 in phi nodes in the correct blocks.
1314 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1316 PR tree-optimization/28364
1317 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1319 (fold_affine_expr): New function.
1320 (may_eliminate_iv): Use fold_affine_expr.
1322 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1325 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1328 2006-08-16 Mike Stump <mrs@apple.com>
1330 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1331 * doc/cppopts.texi (-MD): Likewise.
1333 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1336 * c-common.c (handle_weak_attribute): Ignore and warn if
1337 not a FUNCTION_ or VAR_DECL.
1339 2006-07-15 Mike Stump <mrs@apple.com>
1342 * c-parser.c (c_parser_typeof_specifier): Don't use
1343 c_finish_expr_stmt, open code desired semantics instead.
1345 2006-08-15 Nick Clifton <nickc@redhat.com>
1347 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1348 fragment to tmake_file only if threads are enabled.
1349 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1350 * config/i386/t-gthr-win32: New file. ... here.
1352 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1355 * c-parser.c (c_parser_compound_statement_nostart): Reset
1356 parser->error after each statement.
1358 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1361 * omp-low.c (lower_omp_parallel): Convert t to
1362 receiver_decl's type.
1363 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1364 source before comparison.
1367 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1368 to itype in assignment to oldival2.
1370 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1374 * c-typeck.c (build_compound_expr): If the second expression
1375 is an error mark, then just return an error mark instead of
1376 creating a COMPOUND_EXPR.
1378 2006-07-14 Mike Stump <mrs@apple.com>
1380 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1382 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1384 * c-decl.c, var-tracking.c: Fix comment typos.
1386 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1388 PR rtl-optimization/28634
1389 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1390 for floating-point modes unless flag_unsafe_math_optimizations.
1392 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1393 Andrew Pinski <pinskia@physics.uc.edu>
1396 * tree.c (build_array_type): Unify array types with
1397 unspecified index_type.
1398 * c-decl.c (grokdeclarator): Make sure we do not modify a
1399 unified incomplete array type.
1400 * c-typeck.c (store_init_value): Create distinct type before
1401 filling in the index type in an initializer from a compound
1404 * c-decl.c (grokdeclarator): Remove code where we copy the
1407 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1409 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1410 into account for TODO_dump_cgraph.
1411 (TODO_update_ssa_no_phi): Likewise.
1412 (TODO_update_ssa_full_phi): Likewise.
1413 (TODO_update_ssa_only_virtuals): Likewise.
1414 (TODO_remove_unused_locals): Likewise.
1415 (TODO_set_props): Likewise.
1416 (TODO_update_stmt_usage): Likewise.
1418 2006-08-13 Dirk Mueller <dmueller@suse.de>
1420 * c-common.c (strict_aliasing_warning): Fix formatting.
1422 2006-08-13 Matthias Klose <doko@debian.org>
1424 * doc/invoke.texi: Fix spelling errors.
1426 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1428 PR rtl-optimization/23454
1429 * reorg.c (relax_delay_slots): Update comment.
1431 2006-08-11 Richard Guenther <rguenther@suse.de>
1434 * simplify-rtx.c (simplify_const_relational_operation):
1435 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1438 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1440 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1441 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1443 2006-08-10 Paul Brook <paul@codesourcery.com>
1445 * final.c (final_scan_insn): Clear current_insn_predicate before
1446 outputting inline asm.
1448 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1450 PR tree-optimization/26197
1451 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1452 get_ref_base_and_extent and overlap_subvar to add only relevant
1453 subvars as may-aliases.
1454 (add_may_alias_for_new_tag): New function, factored out of
1456 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1457 with additional argument.
1458 * tree-flow.h (new_type_alias): Takes additional argument.
1460 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1462 * gcov.c (no_data_file): New flag.
1463 (read_count_file): Set it if data file not present. Assume counts
1465 (output_lines): Don't name the data file, if there wasn't one.
1467 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1469 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1470 (rs6000_generate_compare): Tweak comments.
1471 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1473 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1475 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1476 (var_debug_decl): New function.
1477 (var_reg_set): Follow debug decl link. Add location even if
1478 reg is already known to hold some other variable.
1479 (var_mem_set): Follow debug decl link.
1480 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1481 decl link. Delete other known locations of the variable part
1483 (var_reg_delete, var_mem_delete): Delete other known locations
1484 of the variable part if requested.
1485 (same_variable_part_p): New function.
1486 (add_stores): Select MO_COPY when appropriate.
1487 (vt_initialize): Handle it.
1488 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1489 known locations for MO_SET and MO_CLOBBER.
1490 (find_variable_location_part): New function.
1491 (set_variable_part, delete_variable_part): Use it.
1492 (clobber_variable_part): New function.
1493 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1496 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1498 PR tree-optimization/26969
1499 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1500 with an empty list of PHIs.
1502 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1506 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1509 2006-08-06 Andreas Schwab <schwab@suse.de>
1511 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1512 string. Whitespace and comment fixup.
1514 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1517 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1521 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1524 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1526 2006-08-04 Jan Hubicka <jh@suse.cz>
1530 * reload.c (push_reload): Patch out the mismatching instruction;
1532 (find_reload): Bail out if the instruction was patched out.
1534 2006-08-04 Jan Hubicka <jh@suse.cz>
1536 PR tree-optimization/24888
1537 * tree-inline.c (expand_call_inline): Do not re-record variables.
1538 (declare_inline_vars): Add variable to unexpanded_var_list.
1540 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1541 Roger Sayle <roger@eyesopen.com>
1543 PR rtl-optimization/26244
1544 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1545 inner_const are negative or greater than or equal to the bitsize of
1546 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1547 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1548 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1549 CONST0_RTX (mode) when the new shift count is greater than or equal to
1550 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1553 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1555 * tree-cfg.c: Fix a comment typo.
1557 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1560 * varasm.c (output_constant): Give the front end another chance to
1561 expand constants, after stripping NOPs.
1563 2006-08-03 Jan Hubicka <jh@suse.cz>
1565 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1568 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1570 PR tree-optimization/27770
1571 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1572 declaration removed (moved to tree-flow.h).
1573 (vect_can_force_dr_alignment_p): Likewise.
1574 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1575 (moved from tree-vectorizer.h).
1576 (vect_can_force_dr_alignment_p): Likewise.
1577 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1578 from outside the vectorizer - in particular from cgraph stage.
1579 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1580 the alignment of global arrays when -fsection-anchors is enabled.
1581 * cgraphunit.c (cgraph_increase_alignment): New function.
1582 (cgraph_optimize): Call cgraph_increase_alignment.
1584 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1587 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1588 not reload a SPE symbol_ref into a lo_sum address.
1590 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1593 * dwarf2out.c (prune_unused_types_prune): Move call to
1594 prune_unused_types_update_strings to cover the parent DIE also.
1596 2006-08-02 Jan Hubicka <jh@suse.cz>
1598 PR gcov/profile/28480
1599 * tree-cfg.c (change_bb_for_stmt): New function.
1600 (tree_merge_blocks, tree_split_blocks): Use it.
1602 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1608 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1609 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1610 (cgraph_optimize): Likewise.
1612 2006-08-01 Stuart Hastings <stuart@apple.com>
1614 * rtl.h (UINTVAL) New.
1615 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1616 * testsuite/gcc.dg/20060801-1.c: New.
1618 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1621 * c-typeck.c (build_external_type): Mark used enum types.
1622 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1624 (gen_subprogram_die): Whitespace fix.
1626 2006-08-01 Jan Hubicka <jh@suse.cz>
1628 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1629 bitmap when not needed.
1630 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1633 2006-08-01 Dirk Mueller <dmueller@suse.de>
1635 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1637 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1639 * Makefile.in: Revert part of previous patch:
1640 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1643 2006-07-30 Eric Christopher <echristo@apple.com>
1646 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1647 (PowerPC Variable Attributes): New section.
1649 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1651 PR target/28126 (partial fix)
1652 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1654 2006-07-28 Jan Hubicka <jh@suse.cz>
1656 PR rtl-optimization/28071
1657 * cfgrtl.c (rtl_delete_block): Free regsets.
1658 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1660 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1662 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1663 and variables used in dependencies.
1665 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1667 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1668 %fs for -mcmodel=kernel.
1669 (stack_tls_protect_test_di): Likewise.
1671 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1673 * Makefile.in: Use mkinstalldirs.
1675 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1678 * opts-common.c (prune_options): Skip joined switches.
1680 2006-07-27 Jan Hubicka <jh@suse.cz>
1682 PR rtl-optimization/28071
1683 * cselib.c (cselib_process_insn): Don't remove useless values too
1684 often for very large hashtables.
1686 2006-07-27 Jan Hubicka <jh@suse.cz>
1688 PR rtl-optimization/28071
1689 * global.c (greg_obstack): New obstack.
1690 (allocate_bb_info): Use it.
1691 (free_bb_info): Likewise.
1692 (modify_reg_pav): Likewise.
1694 2006-07-27 Roger Sayle <roger@eyesopen.com>
1696 * builtins.c (fold_fixed_mathfn): When long and long long are the
1697 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1698 functions to their lceil*, lfloor*, lround* and lrint* forms.
1700 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1703 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1705 (rev_branch_insn): Likewise.
1707 2006-07-27 Jan Hubicka <jh@suse.cz>
1709 PR rtl-optimization/28071
1710 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1711 (reg_set_in_bb, max_reg_computed): New static variables.
1712 (regmove_optimize): Free the new array.
1713 (fixup_match_1): Update call of reg_is_remote_constant_p.
1715 2006-07-26 Jan Hubicka <jh@suse.cz>
1717 PR tree-optimization/27882
1718 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1720 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1722 (cgraph_analyze_compilation_unit): Likewise.
1723 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1724 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1725 (cgraph_early_inlinine): Make order garbage collected.
1726 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1728 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1730 * dbxout.c (output_types_sort): Add a comment.
1731 (output_used_types): Free the VEC.
1733 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1735 * function.c (reorder_fix_fragments): Delete.
1736 (reorder_blocks): Don't call it.
1737 (reorder_blocks_1): Put all subblocks under the origin block.
1739 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1741 PR rtl-optimization/27907
1742 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1745 2006-07-25 Roger Sayle <roger@eyesopen.com>
1748 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1749 bar(x) check that bar's result type can represent all the values of T.
1751 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1753 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1755 2006-07-25 Nick Clifton <nickc@redhat.com>
1757 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1758 size_lookup[] array.
1759 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1760 (ggc_pch_count_object): Likewise.
1761 (ggc_pch_alloc_object): Likewise.
1762 (ggc_pch_write_object): Likewise.
1763 (init_ggc): Do not attempt to initialize entries in the
1764 size_lookup[] array for objects whose size is greater than than
1765 the length of the array.
1767 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1769 * dbxout.c (output_used_types_helper): Push queued types
1771 (output_types_sort): New.
1772 (output_used_types): Collect used types on a VEC and sort them
1775 2006-07-24 Richard Guenther <rguenther@suse.de>
1778 * cgraph.c (cgraph_remove_node): Do not check if dumps
1780 * cgraphunit.c (cgraph_optimize): Likewise.
1782 2006-07-24 Jan Hubicka <jh@suse.cz>
1784 PR rtl-optimization/28071
1785 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1786 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1787 splitting before first stmt.
1789 2006-07-24 Jan Hubicka <jh@suse.cz>
1791 PR rtl-optimization/28071
1792 * ipa-inline.c (update_caller_keys): Remove edges that
1793 are no longer inline candidates.
1795 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1798 * dbxout.c (output_used_types_helper, output_used_types): New.
1799 (dbxout_symbol): Call output_used_types.
1801 2006-07-23 Jan Hubicka <jh@suse.cz>
1805 * cgraph.c (cgraph_varpool_nodes): Export.
1806 (decide_is_variable_needed): Ignored "used" attribute in
1807 unit-at-a-time mode.
1808 * cgraph.h (cgraph_varpool_nodes): Declare.
1809 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1810 unit-at-a-time mode.
1812 2006-07-23 Roger Sayle <roger@eyesopen.com>
1815 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1816 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1817 the __gthrw form of thr_keycreate.
1818 (__gthread_key_delete): Silence the unused argument warning.
1820 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1823 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1824 Cache the last found '\0' marker to avoid quadratic behavior.
1826 2006-07-23 Jan Hubicka <jh@suse.cz>
1828 * i386.md (subsi_3_zext): Fix output template.
1830 2006-07-21 Mike Stump <mrs@apple.com>
1832 * doc/invoke.texi (C++ Dialect Options): Note that
1833 -fvisibility-inlines-hidden doesn't affect explicitly
1834 instantiationed inline methods.
1836 2006-07-20 Roger Sayle <roger@eyesopen.com>
1838 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1839 if the target assembler is GNU binutils' gas.
1840 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1841 whether to pass GNU gas or native as command line options.
1843 2006-07-20 Jason Merrill <jason@redhat.com>
1845 * tree.c (remove_attribute): New fn.
1846 * tree.h: Declare it.
1848 2006-07-20 Paul Brook <paul@codesourcery.com>
1851 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1852 they are invalidated by this instruction.
1854 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1857 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1859 2006-07-20 Eric Christopher <echristo@apple.com>
1862 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1864 2006-07-19 Eric Christopher <echristo@apple.com>
1866 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1867 Rewrite dependencies for libgcc_s.1.dylib.
1869 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1871 * except.c (duplicate_eh_regions_1): Clear next_peer.
1873 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1875 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1876 -mlongcall does not guarantee all calls will be long.
1877 * doc/extend.texi (long_call/short_call): Document that longcall
1878 does not guarantee a long call will be used.
1879 (longcall/shortcall): Likewise.
1881 2006-07-18 Roger Sayle <roger@eyesopen.com>
1884 * expmed.c (expand_shift): Additionally check that the shift_cost
1885 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1886 before implementing a LSHIFT_EXPR as a sequence of additions.
1887 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1888 middle-end that DImode shifts need to be synthesized by expand.
1890 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1893 * tree-ssa-operands.c (access_can_touch_variable): Update
1895 Return true if ALIAS is .GLOBAL_VAR.
1897 2006-07-18 David Daney <ddaney@avtrex.com>
1899 * gcc.c (display_help): Fix typo in help text.
1901 2006-07-18 Olivier Hainque <hainque@adacore.com>
1903 * tree.h (categorize_ctor_elements): Adjust prototype and add
1904 descriptive comment, both in accordance with the interface change
1906 * varasm.c (constructor_static_from_elts_p): New function.
1907 Whether a constructor node is a valid static constant initializer
1908 if all its elements are.
1909 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1910 * output.h: Declare it.
1911 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1912 is a valid constant initializer instead of computing the number of
1913 non-constant elements. Use constructor_static_from_elts_p for this
1914 purpose. Replace the head comment with an indication that this is a
1915 helper for categorize_ctor_elements.
1916 (categorize_ctor_elements): Same interface change as for the _1
1917 helper. Former head comment from this helper moved here, adjusted to
1918 account for the interface changes.
1919 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1920 (all_zeros_p): Likewise.
1921 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1922 static versions of the constructor from the categorize_ctor_elements
1923 return value instead of the formerly computed number of non-constant
1926 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1928 * configure: Regenerate.
1929 * Makefile.in (build_libsubdir): New configure substitution
1930 (build_libobjdir): New variable.
1931 (BUILD_LIBIBERTY): Use it.
1933 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1936 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1938 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1941 * c-common.c (handle_weakref_attribute): Ignore attribute in
1942 the same conditions the alias attribute is ignored.
1944 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1946 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1947 (dbxout_begin_prologue): Increment scope_labelno.
1949 2006-07-17 Richard Henderson <rth@redhat.com>
1952 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1955 2006-07-17 Roger Sayle <roger@eyesopen.com>
1956 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1958 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1959 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1960 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1961 functions such as sbrk, write, etc.. Add function prototypes.
1962 Convert function declarations from K&R to ISO C. Cast pointers
1963 to "long" and "unsigned long" instead of "int" and "unsigned int".
1964 Convert tokens following #endif into comments.
1966 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1968 * invoke.texi: Remove mention of f77; Reformat table for
1969 inline parameter options correctly; mention that -malign-double
1970 is default on x86-64 targets.
1972 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1974 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1975 (convert_affine_scev, chrec_convert_aggressive): Use
1976 avoid_arithmetics_in_type_p. Do not check for the subtypes
1979 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1982 * optabs.c (expand_doubleword_shift): Wrap the call to
1983 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1985 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1988 * optabs.c (expand_binop): Pass next_methods rather than methods
1989 to expand_doubleword_shift.
1991 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1994 * tree.h (dump_addr): Declare.
1995 * print-tree.c (dump_addr): New function.
1996 (print_node_brief, print_node): Use it.
1997 * print-rtl.c (print_rtx): Likewise.
1998 * common.opt (-fdump-noaddr): New option.
1999 * doc/invoke.texi (-fdump-noaddr): Document.
2000 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2001 (ve_info_hash): Likewise.
2003 2006-07-13 Andrew Haley <aph@redhat.com>
2005 PR tree-optimization/19505
2006 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2007 edge leaving this block, make sure that the destination of this
2008 block has only one predecessor.
2010 2006-07-17 Richard Guenther <rguenther@suse.de>
2012 PR tree-optimization/28238
2013 * tree-inline.c (copy_bb): Check if we produced valid
2014 gimple copying and substituting a stmt. If not, gimplify
2017 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2019 * optabs.c (maybe_encapsulate_block): New function extracted from...
2020 (emit_libcall_block): ...here. Invoke it on the block of insns to
2021 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2022 (emit_no_conflict_block): Likewise.
2024 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2026 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2028 2006-07-15 Roger Sayle <roger@eyesopen.com>
2030 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2031 a new NOP_EXPR case of the switch statement.
2033 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2036 * stor-layout.c (place_field): Take the bit field with
2037 an excessive size into account in the ms-bitfiled case.
2040 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2041 the previous bit field.
2043 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2046 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2048 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2050 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2051 signal frames correctly even when the signal was installed with
2054 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2056 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2057 (dbxout_function_end): Use local label LFBB. Remove hook
2059 (dbxout_source_line): Use local label LFBB.
2060 (dbxout_block): Likewise.
2061 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2062 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2063 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2064 and DBX_OUTPUT_NFUN.
2066 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2068 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2070 2006-07-13 Jan Hubicka <jh@suse.cz>
2072 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2074 * output.h (align_variable): Declare.
2075 * varasm.c (align_variable): Export.
2076 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2077 when basic block changed.
2079 2006-07-13 Nick Clifton <nickc@redhat.com>
2081 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2082 walking the LOG_LINKS chain.
2084 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2086 * doc/invoke.texi (C++ Dialect Options): Explain difference
2087 between -fvisibility-inlines-hidden and setting hidden
2088 visibility explicitly.
2090 2006-07-12 Eric Christopher <echristo@apple.com>
2092 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2093 (stmp-lipo): Depend on libgcc.a.
2095 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2097 * tree.c: Fix a comment typo.
2099 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2101 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2103 (umulhisi3_r): Likewise.
2105 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2108 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2109 x < 19, vs wchar_t support.
2111 2006-07-12 Nick Clifton <nickc@redhat.com>
2113 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2114 instead of -isa=sh4.
2116 2006-07-12 Mike Stump <mrs@apple.com>
2118 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2120 2006-07-10 Eric Christopher <echristo@apple.com>
2122 * config/t-slibgcc-darwin: Rewrite.
2124 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2127 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2130 2006-07-08 Matthias Klose <doko@debian.org>
2132 * doc/sourcebuild.texi: Fix typo.
2134 2006-07-07 Mike Stump <mrs@apple.com>
2136 * toplev.c (process_options): Don't give -ffunction-sections may
2137 affect debugging warning for Mach-O.
2139 2006-07-07 James E Wilson <wilson@specifix.com>
2141 * config/mips/mips.md (cpu): Add sb1a.
2142 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2143 addition to sb1. Adjust comments to clarify SB-1A differences from
2145 (ir_sb1a_load): New. Modify bypasses to use it.
2146 (ir_sb1a_simple_alu): Likewise.
2147 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2148 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2149 (mips_issue_rate): Add PROCESSOR_SB1A.
2150 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2151 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2152 (TARGET_SB1): Add PROCESSOR_SB1A check.
2153 (TUNE_SB1): Likewise.
2155 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2156 * config/mips/mips.c (mips_store_data_bypass_p): New.
2157 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2158 store_data_bypass_p.
2160 2006-07-08 Paul Brook <paul@codesourcery.com>
2163 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2165 2006-07-07 Richard Guenther <rguenther@suse.de>
2168 * tree.h (build_one_cst): Declare.
2169 * tree.c (build_one_cst): New function.
2170 * tree-ssa-math-opts.c (get_constant_one): Remove.
2171 (insert_reciprocals): Use build_one_cst.
2172 * fold-const.c (fold_plusminus_mult): Likewise.
2174 2006-07-07 Roger Sayle <roger@eyesopen.com>
2176 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2177 * cfgloopanal.c (dump_graph): Likewise.
2178 * dojump.c (discard_pending_stack_adjust): Likewise.
2179 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2181 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2182 * function.c (finalize_block_changes): Likewise.
2183 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2184 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2185 * rtl.c (dump_rtx_statistics): Likewise.
2186 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2188 * varray.c (dump_varray_statistics): Likewise.
2189 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2190 decode_decimal64, encode_decimal128, decode_decimal128,
2191 decimal_real_to_decimal): Likewise.
2193 2006-07-07 Richard Guenther <rguenther@suse.de>
2195 PR tree-optimization/28187
2196 * tree-vrp.c (vrp_operand_equal_p): New function.
2197 (vrp_bitmap_equal_p): Likewise.
2198 (update_value_range): Use them to compare old and new
2201 2006-07-06 Roger Sayle <roger@eyesopen.com>
2203 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2204 a default case to switch statement to silence compiler warnings.
2206 2006-07-06 Roger Sayle <roger@eyesopen.com>
2209 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2210 the configured assembler supports the x87's ffreep mnemonic.
2211 * configure: Regenerate.
2212 * config.in: Regenerate.
2214 * config/i386/i386.c (output_387_ffreep): New function.
2215 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2216 (output_387_reg_move): Likewise.
2218 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2220 Port to hosts whose 'sort' and 'tail' implementations
2221 treat operands with leading '+' as file names, as POSIX
2222 has required since 2001. However, make sure the code still
2223 works on pre-POSIX hosts.
2224 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2225 which says you should use "tail -c +N" rather than "tail +Nc".
2226 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2228 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2230 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2233 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2236 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2237 PRE_{INC,DEC} of TFmode.
2239 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2240 Alan Modra <amodra@bigpond.net.au>
2243 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2246 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2249 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2250 Remove duplicate gtu.
2252 2006-07-05 Jason Merrill <jason@redhat.com>
2256 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2257 * c-common.c (handle_packed_attribute): So don't copy it here.
2258 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2260 2006-07-05 Mike Stump <mrs@apple.com>
2262 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2264 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2267 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2269 2006-07-05 Richard Guenther <rguenther@suse.de>
2272 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2273 TARGET_SSE2 targets if using SSE math.
2274 (*absdf2_1): Likewise.
2276 2006-07-05 Richard Guenther <rguenther@suse.de>
2278 PR tree-optimization/28162
2279 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2280 make sure to convert the operands to the correct type.
2282 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2284 PR tree-optimization/28218
2286 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2287 to calculate and free the dominator information.
2289 2006-07-04 Peter O'Gorman <peter@pogma.com>
2291 * mklibgcc.in: chmod 644 before ranlib during install.
2293 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2294 J"orn Rennecke <joern.rennecke@st.com>
2296 * configure.ac (.eh_frame data check): Use diff -b.
2298 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2301 * Makefile.in (BUILD_RTL): Add build/vec.o.
2302 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2303 (build/genextract): Delete.
2304 (build/genautomata): Likewise.
2306 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2309 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2310 128-bit IBM long doubles for ABI_V4.
2312 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2314 * tree.c (range_in_array_bounds_p): New predicate.
2315 * tree.h (range_in_array_bounds_p): Declare it.
2316 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2317 return a less conservative answer.
2318 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2319 and flag 'is_group'.
2320 (IS_ELEMENT_FOR_GROUP): New macro.
2321 (FOR_EACH_ACTUAL_CHILD): Likewise.
2322 (next_child_for_group): New helper function.
2323 (can_completely_scalarize_p): Take into account groups.
2324 (sra_hash_tree): Handle RANGE_EXPR.
2325 (sra_elt_eq): Likewise.
2326 (lookup_element): Be prepared for handling groups.
2327 (is_valid_const_index): Delete.
2328 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2329 instead of is_valid_const_index.
2330 <ARRAY_RANGE_REF>: New case.
2331 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2332 is_valid_const_index.
2333 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2334 (scan_dump): Dump info for groups too.
2335 (decide_instantiation_1): Likewise.
2336 (decide_block_copy): Assert that the element is not a group.
2337 Propagate decision to groups.
2338 (generate_one_element_ref): Handle RANGE_EXPR.
2339 (mark_no_warning): Iterate over actual childs.
2340 (generate_copy_inout): Likewise.
2341 (generate_element_copy): Likewise.
2342 (generate_element_zero): Likewise.
2343 (generate_element_init_1): Likewise.
2344 (dump_sra_elt_name): Handle RANGE_EXPR.
2346 2006-07-03 Roger Sayle <roger@eyesopen.com>
2348 PR tree-optimization/26251
2349 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2350 (thread_block): When optimizing for size refuse to thread jumps
2351 that would require duplication of blocks other than redirection
2354 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2356 * configure.ac: Fix thinko in previous check-in.
2357 * configure: Regenerate.
2359 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2362 * configure.ac (for lang...): Simplify nesting of conditionals.
2363 Test subdir_requires for non-enabled languages. Move processing
2364 of lang_opt_files and lang_tree_fiels below that test.
2365 * configure: Regenerate.
2366 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2368 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2370 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2372 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2374 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2377 2006-06-29 Jason Merrill <jason@redhat.com>
2384 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2385 * c-common.c (c_determine_visibility): Handle it here.
2386 * c-decl.c (finish_decl): Call c_determine_visibility for
2388 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2390 * varasm.c (default_assemble_visibility): Likewise.
2391 * c-common.c (handle_visibility_attribute): Complain about trying
2392 to give visibility to an already defined class, or trying to change
2393 declared visibility. Always attach the attribute.
2398 * attribs.c (decl_attributes): Ignore type-in-place attributes
2399 once the type has been defined.
2401 2006-06-29 Roger Sayle <roger@eyesopen.com>
2404 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2405 to indicate the cpplib has issued an error message for us.
2407 2006-06-29 Asher Langton <langton2@llnl.gov>
2410 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2411 insert a label at the end of an function under Mach-O.
2413 2006-06-29 Eric Christopher <echristo@apple.com>
2414 Evan Cheng <evan.cheng@apple.com>
2416 * predicates.md (vector_all_ones_operand): New.
2417 (nonimmediate_or_sse_const_operand): Ditto.
2418 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2419 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2420 (standard_sse_mode_p): Ditto.
2421 (standard_sse_constant_p): Add case for -1 vector.
2422 (ix86_expand_vector_move): Try to use.
2423 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2424 Call standard_sse_constant_opcode.
2425 (*movv4sf_internal): Ditto.
2426 (*movv2df_internal): Ditto.
2428 2006-06-29 Roger Sayle <roger@eyesopen.com>
2430 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2431 of XEXP to extract the operands of a MATCH_CODE rtx.
2433 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2435 * tree.c (tree_size): Do not waste tail padding in
2436 struct tree_string and make the size be the same as
2437 build_string will generate.
2439 2006-06-28 Jason Merrill <jason@redhat.com>
2442 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2443 may_aliases already in the tag's annotations to the bitmap.
2445 2006-06-28 Roger Sayle <roger@eyesopen.com>
2447 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2449 2006-06-28 Roger Sayle <roger@eyesopen.com>
2451 * genpreds.c (generate_switch_p): New function.
2452 (add_mode_tests): Push the new mode test down inside an AND expr
2453 if this allows the switch-suitable MATCH_CODE to be near the root.
2454 (write_match_code_switch): New function to write a MATCH_CODE as
2456 (write_predicate_stmts): New function to write a predicate RTX
2457 expression as a sequence of statements.
2458 (write_one_predicate_function): Use write_predicate_stmts.
2459 (write_tm_constrs_h): Likewise.
2461 2006-06-26 Fred Fish <fnf@specifix.com>
2463 * config/mips/t-sb1: New file.
2464 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2467 2006-06-26 DJ Delorie <dj@redhat.com>
2469 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2471 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2472 Jayant Sonar <jayants@kpitcummins.com>
2473 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2475 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2476 (subsi3, subsi3_1, subsi3_2): New.
2477 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2478 * config/m32c/mov.md (SI mov peephole): New.
2479 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2480 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2482 2006-06-26 Olivier Hainque <hainque@adacore.com>
2484 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2485 a CALL_EXPR target function declaration.
2487 2006-06-26 Richard Guenther <rguenther@suse.de>
2489 * tree.c (build_string): Do not waste tail padding in
2492 2006-06-26 Richard Guenther <rguenther@suse.de>
2494 * ggc-page.c (init_ggc): Add missing element to size_lookup
2498 2006-06-23 Richard Guenther <rguenther@suse.de>
2500 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2501 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2502 alignment requests instead. Add verification code.
2503 Add struct tree_function_decl and struct tree_binfo size to
2504 extra_order_size_table. Add missing element to size_lookup
2507 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2510 * fold-const.c (const_binop): Be prepared for self returning zero.
2511 Simplify code handling complex values.
2513 2006-06-24 Olivier Hainque <hainque@adacore.com>
2515 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2516 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2519 2006-06-24 Olivier Hainque <hainque@adacore.com>
2521 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2522 ARRAY_REF, so have the callback called for the low bound expression.
2524 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2526 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2527 * c-typeck.c (c_common_type): Disallow operations on decimal float
2528 types and other float types.
2529 * convert.c (convert_to_real): Don't ignore conversions involving
2530 decimal float types.
2532 2006-06-23 Olivier Hainque <hainque@adacore.com>
2534 * tree.c (max_int_size_in_bytes): New function, inspired from
2535 code in function.c:assign_temp.
2536 * tree.h (max_int_size_in_bytes): Declare.
2537 * function.c (assign_temp): Use it.
2538 * gimplify.c (create_tmp_var): Relax the assertions on the type
2539 properties, not mandating constant size any more.
2540 (force_constant_size): New static function.
2541 (gimple_add_tmp_var): Use it, forcing variable size to a
2542 constant upper bound if it is not constant on entry.
2544 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2547 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2548 for initialization and setting of one_only flag to ...
2549 (i386_pe_encode_section_info): ...here.
2550 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2551 Recheck that the symbol has not been defined.
2553 2006-06-23 Richard Guenther <rguenther@suse.de>
2555 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2556 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2557 alignment requests instead. Add verification code.
2558 Add struct tree_function_decl and struct tree_binfo size to
2559 extra_order_size_table. Add missing element to size_lookup
2562 2006-06-22 Roger Sayle <roger@eyesopen.com>
2563 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2566 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2567 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2569 2006-06-23 Ben Elliston <bje@au.ibm.com>
2571 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2572 negate dn -- manipulate it directly.
2574 2006-06-22 Roger Sayle <roger@eyesopen.com>
2575 Steven Bosscher <stevenb.gcc@gmail.com>
2578 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2579 generated by gen_move_insn to add REG_LABEL notes if necessary.
2581 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2583 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2584 (leaf_entry): Remove use of MIN_ESA.
2586 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2588 PR rtl-optimization/28121
2589 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2592 2006-06-21 DJ Delorie <dj@redhat.com>
2594 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2596 (mulhisi3_r): Likewise.
2598 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2601 * coverage.c (coverage_counter_alloc): Leave the index type
2603 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2606 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2608 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2609 section from the "Options for Code Generation Conventions".
2611 2006-06-21 Richard Henderson <rth@redhat.com>
2615 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2617 (global_symbolic_operand): Allow weak symbols, even if local_p.
2619 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2621 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2622 (find_interesting_uses_address): Punt if above function returns true.
2624 2006-06-21 Richard Guenther <rguenther@suse.de>
2626 * configure: Regenerated.
2628 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2630 * config/mips/mips.c (function_arg): Where one part of a
2631 complex argument is in registers and the other part in the stack,
2632 return a REG not a PARALLEL.
2634 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2636 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2637 when cross-compiling. Do not substitute libstdcxx_incdir.
2638 * configure: Regenerated.
2640 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2642 * varasm.c (mergeable_string_section): Check for embedded NULs and
2643 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2644 rather than TREE_STRING_LENGTH bytes.
2646 2006-06-21 Richard Guenther <rguenther@suse.de>
2648 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2649 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2652 2006-06-21 Richrad Guenther <rguenther@suse.de>
2654 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2655 Limit iteration over the dominators.
2657 2006-06-20 Roger Sayle <roger@eyesopen.com>
2659 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2660 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2662 2006-06-20 Richard Guenther <rguenther@suse.de>
2663 Michael Matz <matz@suse.de>
2665 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2667 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2668 * et-forest.h (et_free_pools): Prototype new function.
2669 * et-forest.c (et_free_tree_force): Free parent occurrence.
2670 (et_free_pools): New function.
2671 * dominance.c (free_dominance_info): Free et-forest alloc
2674 2006-06-20 Roger Sayle <roger@eyesopen.com>
2676 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2677 integer modes, attempt to directly construct an integer constant.
2679 * fold-const.c (native_encode_vector): Determine the size of each
2680 element from the vector type instead of the first vector element.
2682 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2683 if all of its elements/components are constant.
2684 (build_constructor_from_list): Likewise.
2686 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2688 PR tree-optimization/27331
2689 * tree-data-ref.c (free_data_ref): New function.
2690 (create_data_ref): Fail if the data reference has unknown access
2692 (free_data_refs): Use free_data_ref.
2694 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2697 * tree-inline.c (setup_one_parameter): Strip useless
2698 type conversion before adding it to the IR.
2699 (declare_return_variable): Likewise.
2701 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2704 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2706 2006-06-19 Mike Stump <mrs@apple.com>
2708 * tree.c (variably_modified_type_p): VM arguments don't make the
2711 2006-06-19 Richard Guenther <rguenther@suse.de>
2713 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2714 type conversions after folding.
2716 2006-06-19 Richard Guenther <rguenther@suse.de>
2718 * ggc-page.c (extra_order_size_tab): Add entries with
2719 size of struct function and basic_block.
2720 (size_lookup): Extend to cover sizes up to 511.
2721 (ggc_alloc_stat): Adjust user.
2722 (ggc_pch_count_object): Likewise.
2723 (ggc_pch_alloc_object): Likewise.
2724 (ggc_pch_write_object): Likewise.
2726 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2728 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2729 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2732 2006-06-19 Denis Chertykov <denisc@overta.ru>
2734 * config/avr/libgcc.S : Correct my wrong previous commit.
2736 2006-06-19 Roger Sayle <roger@eyesopen.com>
2739 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2740 have stripped a SUBREG from the shift count, so we may need to
2741 convert_to_mode back to the type's mode before calling make_tree.
2742 Use new_amount instead of amount to avoid expanding a tree twice.
2744 2006-06-19 Richard Guenther <rguenther@suse.de>
2747 * fold-const.c (operand_equal_p): Check if the argument types
2748 have the same precision before stripping NOPs.
2750 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2752 Fix PR tree-optimization/27341
2753 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2755 * tree-complex.c (pass_lower_complex): Update SMT usage.
2757 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2759 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2760 Add a new alternative to the constraint strings. Add move of
2761 operand 1 to 3 to the splitter definition.
2762 ("doloop_si_long"): Second contraint alternative removed.
2764 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2766 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2767 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2769 (AVR_HAVE_MOVW) Define.
2770 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2771 (ASM_SPEC): Add avr25.
2772 (LINK_SPEC): Add avr25.
2773 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2774 (base_arch_s): Add new member 'have_movw_lpmx'.
2775 (avr_arch_types): Init 'have_movw_lpmx'.
2776 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2777 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2778 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2779 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2780 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2782 (avr_file_start): Do not output '.arh' derective.
2783 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2784 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2785 * config/avr/avr.md (mcu_enhanced): Delete.
2786 (mcu_have_movw): Define.
2787 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2788 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2789 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2790 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2791 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2792 attiny861 and at86rf401 devices.
2794 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2796 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2799 2006-06-17 Karl Berry <karl@gnu.org>
2801 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2802 doc/gccint.texi, doc/install.texi (@dircategory): Use
2803 "Software development" instead of "Programming", following
2804 the Free Software Directory.
2806 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2808 * config/i386/i386.c (legitimate_tls_address)
2809 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2810 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2811 (*tls_dynamic_gnu2_combine_64): Likewise.
2813 2006-06-16 Richard Guenther <rguenther@suse.de>
2816 * fold-const.c (negate_expr_p): Do not introduce undefined
2817 overflow in negating INTEGER_CSTs.
2818 (fold_negate_expr): Rename from negate_expr. Revert last
2819 change for folding BIT_NOT_EXPR. Change semantics to
2820 return NULL_TREE for non-simplified negations. Do not
2821 strip type conversions and unify type handling.
2822 (negate_expr): New function, wrap around fold_negate_expr
2823 but ensure building a tree always. Strip type conversions
2824 here, fold to result type.
2825 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2827 2006-06-16 Roger Sayle <roger@eyesopen.com>
2830 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2831 that (would) return their results in stack registers.
2833 2006-06-16 Michael Matz <matz@suse.de>
2834 Richard Guenther <rguenther@suse.de>
2836 * fold-const.c (fold_truthop): Only return new tree node if
2837 we canonicalized something.
2839 2006-06-16 Richard Guenther <rguenther@suse.de>
2841 * function.h (enum function_frequency): Move declaration
2842 out of struct function.
2843 (struct function): Move bool fields and the enum to the bitfield
2844 section. Reorder elements to avoid padding. Remove unused
2845 fields left over from the RTL inliner removal.
2846 * function.c (free_after_compilation): Do not zero removed fields.
2847 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2848 (ipa-type-escape.o): Likewise.
2850 2006-06-16 Richard Guenther <rguenther@suse.de>
2852 * cgraph.h (struct cgraph_local_info): Turn bool elements
2854 (struct cgraph_node): Likewise.
2855 (struct cgraph_varpool_node): Likewise.
2857 2006-06-15 Richard Guenther <rguenther@suse.de>
2859 * fold-const.c (fold_truth_not_expr): Rename from
2860 invert_truthvalue. Give it fold_* semantics to avoid
2862 (invert_truthvalue): New function. Wrapper around
2863 fold_truth_not_expr.
2864 (optimize_minmax_comparison): Avoid creating garbage.
2865 (fold_unary): Use fold_truth_not_expr for folding
2867 (fold_ternary): Replace uses of invert_truthvalue with
2868 fold_truth_not_expr where applicable.
2869 * tree.h (fold_truth_not_expr): Prototype.
2871 2006-06-16 Richard Guenther <rguenther@suse.de>
2873 PR tree-optimization/27781
2874 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2875 * ipa-pure-const.c (target.h): Include.
2876 (analyze_function): Do not analyze functions that do not
2879 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2882 * tree-dfa.c (referenced_vars_dup_list): Remove.
2883 (find_referenced_vars): Remove assert.
2884 (referenced_var_check_and_insert): Replace dup list with assert.
2885 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2886 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2888 2006-06-15 Richard Guenther <rguenther@suse.de>
2890 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2891 extra unused identifiers if not dumping.
2892 (create_variable_info_for): Likewise.
2894 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2896 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2897 (derive_constant_upper_bound): Derive more precise upper bound in
2898 common cases. Return type changed to double_int.
2899 (record_estimate): Reflect the changed return type of
2900 derive_constant_upper_bound.
2901 * double-int.c (double_int_zext, double_int_sext): Fix.
2903 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2905 * configure.ac (CFLAGS): Get them from the toplevel or from the
2906 configure invocation.
2907 * configure: Regenerate.
2908 * Makefile.in (CFLAGS): Substitute value provided by configure.
2910 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2913 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2914 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2915 rather than calling add_stmt on it.
2916 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2918 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2921 * reload1.c (reload): Remove registers returned by update_eliminables
2922 from used_spill_regs.
2924 2006-06-13 DJ Delorie <dj@redhat.com>
2926 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2928 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2930 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2931 html__strip_dir, html__mkdir_p. Enhance install-html target.
2932 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2933 * configure: Regenerate.
2935 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2937 * fold-const.c (fold_cond_expr_with_comparison): Check for
2938 Objective-C++ as language in deciding COND_EXPR transformation.
2940 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2943 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2944 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2945 * config/sh/lib1funcs.h (SL, SL1): Define.
2946 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2947 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2948 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2949 (OBJS_Os_4_200): New variable.
2950 ($(T)libgcc-Os-4-200.a): Use it.
2951 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2952 when dividing 1 and/or by 0.
2954 2006-06-13 Roger Sayle <roger@eyesopen.com>
2956 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2957 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2958 * configure: Regenerate.
2960 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2962 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2963 for real instruction.
2965 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2968 * haifa-sched.c (check_cfg): Handle special case.
2970 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2973 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2974 Add debug_info parameter. Chain the vars to the BLOCK instead
2975 of the BIND_EXPR if debug info are requested for them.
2976 (pop_gimplify_context): Adjust for above change.
2977 (gimple_add_tmp_var): Likewise.
2978 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2980 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2981 (convert_local_reference): Likewise.
2982 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2983 (finalize_nesting_tree_1): Request that debug info be emitted
2984 for debug_var_chain.
2986 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2988 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2989 for PR target/27863.
2991 2006-06-13 Richard Guenther <rguenther@suse.de>
2994 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2996 2006-06-13 Richard Guenther <rguenther@suse.de>
2998 PR tree-optimization/27830
2999 * tree-inline.c (copy_body_r): For copying the operand
3000 of an ADDR_EXPR make sure to fold &* afterwards.
3002 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3004 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3005 lvalues in the fb_none case with side-effects.
3007 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3009 * tree-flow.h: Remove the prototype for
3010 compute_phi_arg_on_exit.
3011 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3012 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3015 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3017 * builtins.c (expand_builtin_return_addr): Only use
3018 frame_pointer_rtx when count == 0 and we are expanding
3019 __builtin_return_address.
3021 2006-06-12 Fred Fish <fnf@specifix.com>
3023 * config/mips/mips.c (mips_file_start): Create special section
3024 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3026 2006-06-11 Eric Christopher <echristo@apple.com>
3029 * stor-layout.c (place_field): Remove check for
3030 remaining_in_alignment when aligning at the end of a run.
3032 2006-06-11 Eric Christopher <echristo@apple.com>
3035 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3038 2006-06-11 Roger Sayle <roger@eyesopen.com>
3041 Revert incorrect fix for PR target/27158
3042 2006-05-08 Roger Sayle <roger@eyesopen.com>
3043 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3044 of a reg_equiv_constant if the result is a legitimate constant.
3046 2006-06-11 Roger Sayle <roger@eyesopen.com>
3049 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3050 extract a CONST_VECTOR element and interpret it as an integer.
3051 (vspltis_constant): Use const_vector_elt_as_int instead of the
3052 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3053 * config/rs6000/predicates.md (easy_vector_const): Consider
3054 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3056 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3059 * stor-layout.c (update_alignment_for_field): Don't add extra
3060 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3063 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3065 * config/mips/t-rtems: Add EL/EB multilib variants.
3067 2006-06-09 Mike Stump <mrs@apple.com>
3069 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3071 2006-06-09 David Daney <ddaney@avtrex.com>
3073 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3075 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3077 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3079 2006-06-09 Richard Guenther <rguenther@suse.de>
3081 PR tree-optimization/26998
3082 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3083 of signed types, only TYPE_MIN_VALUE is special, but for both,
3084 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3085 in this case, as is -fwrapv.
3087 2006-06-08 Mike Stump <mrs@apple.com>
3090 * config/darwin.c (darwin_asm_output_anchor): Disable
3091 -fsection-anchors on darwin for now.
3092 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3093 * rs6000/rs6000.c (optimization_options): Likewise.
3095 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3098 * config/i386/i386.c (classify_argument): Skip fields with invalid
3101 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3103 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3104 (cse_insn): Likewise for the stack_pointer_rtx.
3106 2006-06-08 Roger Sayle <roger@eyesopen.com>
3108 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3109 conditions from floating point comparisons.
3111 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3114 * expmed.c (struct alg_hash_entry): Fix type of field T
3115 to match synth_mult argument.
3116 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3118 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3121 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3124 2006-06-08 Richard Guenther <rguenther@suse.de>
3127 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3128 only, if overflow is defined and not trapping.
3129 (negate_expr): Likewise.
3131 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3133 PR tree-optimization/27872
3134 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3135 flag on the new exit edge of the unrolled loop.
3137 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3139 PR rtl-optimization/26449
3140 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3142 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3145 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3146 referenced_variables with matching DECL_UID's.
3147 (find_referenced_vars): Make sure duplicate list is empty to start.
3148 (referenced_var_p): Remove.
3149 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3150 Check if var is in the list, and add if needed. Update the duplicate
3151 list if a different var is in the list with the same DECL_UID.
3152 (add_referenced_var): Call routine to check and insert.
3153 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3154 * tree-flow.h (referenced_vars_dup_list): External declaration.
3156 2006-06-07 Fred Fish <fnf@specifix.com>
3158 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3161 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3164 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3165 the imaginary and real parts of a clobbered register.
3166 Emit insn to set the imaginary part.
3168 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3170 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3171 in lieu of unwind-dw2-fde.c.
3173 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3175 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3177 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3180 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3181 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3182 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3183 V4SImode temporaries and operations instead.
3185 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3187 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3190 2006-06-06 Mike Stump <mrs@apple.com>
3192 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3193 installing during build.
3195 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3197 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3199 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3200 * config/ia64/ia64.c (params.h): New header.
3201 (ia64_optimization_options): New function to adjust parameters.
3202 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3203 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3204 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3206 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3208 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3210 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3213 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3215 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3216 Victor Kaplansky <victork@il.ibm.com>
3218 PR tree-optimization/26360
3219 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3222 2006-06-04 Roger Sayle <roger@eyesopen.com>
3223 Andrew Pinski <pinskia@physics.uc.edu>
3226 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3227 for LABEL_DECL before calling DECL_WEAK.
3230 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3231 LABEL_DECL and PARM_DECL.
3233 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3237 * c-decl.c (grokdeclarator): Disallow variably modified types at
3238 file scope. Avoid marking shared array type of constant size as
3241 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3244 * c-common.c (fold_offsetof_1): Handle static members.
3246 2006-06-04 Eric Christopher <echristo@apple.com>
3248 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3249 (debug_rli): Output value for remaining_in_alignment.
3250 (update_alignment_for_field): Unconditionalize
3251 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3252 extra alignment code.
3253 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3254 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3255 * tree.h (record_layout_info_s): Remove prev_packed.
3256 * doc/extend.texi (ms_struct): Add documentation of format.
3258 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3260 * tree.h: Declare folding_initializer.
3261 * builtins.c (fold_builtin_constant_p): Give definite answer
3262 if folding inside an initializer.
3263 * fold-const.c: Define folding_initializer.
3264 (START_FOLD_INIT): Save and then set folding_initializer.
3265 (END_FOLD_INIT): Restore folding_initializer.
3267 2006-06-04 Richard Guenther <rguenther@suse.de>
3269 PR tree-optimization/27039
3270 * fold-const.c (fold_comparison): Handle pointer comparison
3271 again for all comparison codes. Compare offsets in signed
3273 (fold_binary): Move code from here.
3275 2006-06-03 Roger Sayle <roger@eyesopen.com>
3278 * config/i386/i386.c (construct_container): Split static issued_error
3279 flag into issued_sse_arg_error, issued_sse_ret_error and
3280 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3281 requires the use of x87 registers and the user explicitly
3282 specified the -mno-80387 command line option.
3284 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3286 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3287 HAVE_DECL_SIGALTSTACK.
3289 (segv_handler): Use MC_FLD.
3290 * configure.ac: Check for a sigaltstack declaration.
3291 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3292 * configure: Regenerate.
3293 * config.in: Regenerate.
3295 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3298 * Makefile.in (stmp-fixinc): Fix typo.
3300 2006-06-02 Roger Sayle <roger@eyesopen.com>
3302 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3303 are type correct. Clean-up.
3304 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3305 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3307 2006-06-01 DJ Delorie <dj@redhat.com>
3309 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3310 shift, as we've disabled the "switch" insn that needs it.
3312 2006-06-01 Per Bothner <bothner@bothner.com>
3314 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3315 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3316 * c-ppoutput.c (cb_define): Don't increment line 0.
3318 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3320 * doc/invoke.texi: Add cpu_type power6.
3321 * config.gcc: Add cpu_type power6.
3322 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3323 to power5+ with Altivec.
3324 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3325 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3327 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3329 * config/avr/avr.h (SET_ASM_OP): Define.
3331 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3333 * config/bfin/bfin.c: Fix comment typos.
3335 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3338 * doc/install.texi: Document --enable-bootstrap and
3339 --disable-bootstrap.
3341 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3343 * doc/install.texi: Document that InfoZIP can replace jar.
3345 2006-05-31 Roger Sayle <roger@eyesopen.com>
3347 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3348 isn't available, directly generate the simpler x87 patterns without
3349 the (use (const_int 0)).
3350 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3351 implementation isn't available.
3352 (*negdf2_1): Likewise.
3353 (*negxf2_1): XF mode negation is always done using the x87.
3354 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3356 2006-05-31 Roger Sayle <roger@eyesopen.com>
3358 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3359 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3361 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3363 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3365 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3366 * config/bfin/bfin.c (basic-block.h): Include.
3367 (struct machine_function): New.
3368 (bfin_init_machine_status): New.
3369 (override_options): Initialize init_machine_status.
3370 (bfin_hardware_loop): New.
3371 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3372 (DEF_VEC_P (loop_info)): New.
3373 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3374 (struct loop_info): New.
3375 (loop_info): New typedef.
3376 (struct loop_work): New.
3377 (loop_work): New typedef.
3378 (DEF_VEC_O (loop_work)): New.
3379 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3380 (bfin_dump_loops): New.
3381 (bfin_bb_in_loop): New.
3382 (bfin_scan_loop): New.
3383 (bfin_optimize_loop): New.
3384 (bfin_reorg_loops): New.
3385 (bfin_reorg): Use bfin_reorg_loops.
3386 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3388 (I_REGNO_P): Simplify.
3389 (DP_REGNO_P, DPREG_P): New macros.
3390 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3391 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3392 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3393 Add LT_REGS, LC_REGS, LB_REGS.
3394 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3396 (REGNO_REG_CLASS): Deal with loop registers.
3397 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3399 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3400 New constants for loop registers.
3401 (UNSPEC_LSETUP_END): New.
3402 (seq_insns): New define_attr. Set it for appropriate insns.
3403 (movsi_insn): Add alternatives for move from/to
3404 loop count registers.
3405 (doloop_end): New define_expand.
3406 (loop_end): New define_insn.
3407 (define_split for bad doloop_end): New.
3408 (lsetup_with_autoinit): New define_insn.
3409 (lsetup_without_autoinit): New define_insn.
3410 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3411 * config/bfin/predicates.md (lc_register_operand): New.
3412 (lt_register_operand): New.
3413 (lb_register_operand): New.
3414 (nondp_register_operand): New.
3415 (nondp_reg_or_memory_operand): New.
3416 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3418 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3420 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3421 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3423 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3425 * Makefile.in (CATALOGS): Add po/ prefix.
3426 * configure: Regenerated.
3428 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3431 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3432 a shift operand before calling shift_op. Avoid redundant call of
3435 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3436 DJ Delorie <dj@redhat.com>
3438 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3439 we're inserting is a singlt-bit constant.
3441 2006-05-30 Roger Sayle <roger@eyesopen.com>
3443 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3444 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3446 2006-05-30 Roger Sayle <roger@eyesopen.com>
3448 PR tree-optimization/23452
3449 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3450 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3451 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3452 complex values and with -ffast-math for FP complex values.
3454 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3456 * c-common.h: Remove the prototype for yyparse.
3457 * rtl.h: Remove the prototype for init_loop.
3459 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3461 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3464 2006-05-30 Roger Sayle <roger@eyesopen.com>
3466 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3468 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3469 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3471 2006-05-30 Dirk Mueller <dmueller@suse.de>
3474 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3475 for CONSTANT_CLASS_P expresisons.
3477 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3480 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3482 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3484 PR tree-optimization/27779
3485 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3486 initial_condition instead of CHREC_LEFT.
3488 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3490 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3491 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3492 Make prototypes ISO C90.
3494 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3495 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3497 * see.c (see_analyze_one_def): Correct check.
3498 (see_get_extension_data): Check if extension is parallel.
3499 (see_get_extension_reg): Likewise.
3501 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3504 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3505 into register for (code == GTU).
3507 2006-05-29 Roger Sayle <roger@eyesopen.com>
3509 PR tree-optimization/24964
3510 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3511 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3512 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3513 abs(x)*abs(x) as x*x for scalar floating point modes.
3515 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3518 * lambda-code.c (perfect_nestify): Don't copy statements
3519 in the inner loop: move them to the inner loop header.
3521 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3524 * c-tree.texi: Document OpenMP directives and clauses.
3526 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3528 * varasm.c (globalize_decl): Fix indentation.
3530 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3533 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3534 pass_fre, pass_store_ccp, pass_copy_prop,
3535 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3536 pass_return_slot, pass_object_size, pass_lim,
3537 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3538 pass_loop_prefetch and pass_stdarg.
3540 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3542 * config/bfin/bfin.opt (mfdpic): New option.
3543 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3544 (EXTRA_MULTILIB_PARTS): Likewise.
3545 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3546 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3548 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3549 (CRT_CALL_STATIC_FUNCTION): New.
3550 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3552 (CRT_CALL_STATIC_FUNCTION): New.
3553 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3555 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3556 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3557 (initialize_trampoline): Changed to handle FD-PIC code generation.
3558 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3559 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3560 (override_options): Disallow -mid-shared-library -mfdpic combination.
3561 Can't do unaligned ops if FD-PIC.
3562 Turn off flag_pic if trying to generate non-id-shared-library
3563 non-fdpic code, since it's not supported.
3564 (bfin_assemble_integer): New function.
3565 (TARGET_ASM_INTEGER): Define.
3566 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3568 * config/bfin/crtn.s: Restore them.
3569 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3571 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3572 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3573 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3574 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3575 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3577 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3578 FDPIC_REGS and FDPIC_FPTR_REGS.
3579 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3580 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3581 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3582 (load_funcdescsi): New pattern.
3583 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3584 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3585 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3587 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3589 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3592 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3594 * tree-flow.h: Remove the prototype for add_type_alias.
3595 * tree-ssa-alias.c (add_type_alias): Remove.
3597 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3599 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3600 config/fr30/fr30.md, config/i386/i386-interix.h,
3601 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3602 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3603 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3604 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3605 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3606 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3607 Follow spelling conventions.
3608 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3609 Follow spelling conventions.
3611 2006-05-27 Richard Guenther <rguenther@suse.de>
3614 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3615 to produce a constant of value 1 of generic type.
3617 2006-05-27 Dirk Mueller <dmueller@suse.de>
3619 * cgraphunit.c (decide_is_function_needed): Fix wrong
3622 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3624 PR rtl-optimization/27661
3625 * reload.c (find_reloads): When reloading a VOIDmode constant
3626 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3627 use Pmode as mode of the reload register.
3629 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3631 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3632 is enabled at -O and above.
3634 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3637 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3640 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3643 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3644 for anonymous variables explicitly declared by front ends.
3646 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3648 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3649 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3650 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3651 ref-all pointers, run a finalization pass for them.
3652 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3653 (finalize_ref_all_pointers): New function.
3654 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3655 regular pointer type to a ref-all pointer type.
3656 (get_tmt_for): Return the special memory tag for ref-all pointers.
3658 2006-05-25 Richard Guenther <rguenther@suse.de>
3661 * fold-const.c (fold_binary): Do not look at the stripped
3662 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3664 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3666 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3667 for LT and GT if the computed range is effectively empty.
3669 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3672 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3673 mips_quad_format formats instead of ieee_single_format,
3674 ieee_double_format and ieee_quad_format formats, respectively.
3676 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3678 PR tree-optimization/27639
3679 PR tree-optimization/26719
3680 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3681 call to scev_probably_wraps_p.
3682 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3683 used_in_pointer_arithmetic_p, convert_step): Removed.
3684 (nowrap_type_p): New function.
3685 (scev_probably_wraps_p): Rewritten.
3686 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3687 chrec_convert if chrec_convert_aggressive might have been used.
3688 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3689 scev_direction): New functions.
3690 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3691 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3692 instead of convert_step.
3693 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3694 (convert_step): Declaration removed.
3695 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3697 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3699 * df-core.c: Added to header comments.
3700 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3701 df_ur_bb_info, df_urec_bb_info): Added comments.
3702 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3703 urec, ri problems): Fixed header comments.
3704 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3705 code from df_rd_transfer_function.
3707 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3709 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3710 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3711 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3713 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3715 * expr.c (undefined_operand_subword_p): New.
3716 (emit_move_multi_word): Do not generate move from undefined bits
3717 of a paradoxical subreg.
3719 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3721 PR rtl-optimization/27736
3722 * combine.c (replaced_rhs_value): New variable.
3723 (combine_instructions): Set it.
3724 (distribute_notes): When distributing a note in replaced_rhs_insn,
3725 check whether the value was used in replaced_rhs_value.
3727 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3730 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3731 add_referenced_var instead of add_referenced_tmp_var.
3732 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3733 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3735 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3736 tree_optimize_tail_calls_1): Use add_referenced_var.
3737 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3738 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3739 Use add_referenced_var.
3740 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3741 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3742 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3743 Use add_referenced_var.
3744 * tree-dfa.c (struct walk_state): Remove.
3745 (find_referenced_vars): Remove walk state and vars_found hash table.
3746 (make_rename_temp): Use add_referenced_var.
3747 (find_vars_r): Pass less parameters to add_referenced_var.
3748 (referenced_var_p): New. Is var in referenced_var hash table.
3749 (referenced_var_insert): Assert var isn't already in hash table.
3750 (add_referenced_var): Don't need walk_state parameter. Add var if it
3751 isn't already in the hash table.
3752 (add_referenced_tmp_var): Remove.
3753 (find_new_referenced_vars_1): Use add_referenced_var.
3754 * tree-ssa-pre.c (create_expression_by_pieces,
3755 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3756 Use add_referenced_var.
3757 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3758 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3759 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3761 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3762 vect_create_data_ref_ptr, vect_create_destination_var,
3763 vect_init_vector, vect_build_loop_niters,
3764 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3765 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3766 Use add_referenced_var.
3767 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3768 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3769 (add_referenced_var): Add prototype.
3770 * tree-ssa-structalias.c (get_constraint_for,
3771 intra_create_variable_infos): Use add_referenced_var.
3773 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3775 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3776 big-endian paradoxical subregs.
3777 * var-tracking.c (struct micro_operation_def): Document that,
3778 for modify micro operations, insn is the subsequent instruction.
3779 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3780 (var_reg_set, var_mem_set): ... new functions.
3781 (add_stores): Record subsequent insn.
3782 (compute_bb_dataflow): Use new functions for MO_USE.
3783 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3784 notes after the insn, and modify notes before the insn known
3785 to be the subsequent one.
3786 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3788 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3791 * config/i386/i386.c (ix86_expand_builtin): Use
3792 gen_sse3_monitor64 for TARGET_64BIT.
3794 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3796 PR rtl-optimization/26375
3797 PR rtl-optimization/26855
3798 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3800 (df_ru_bb_local_compute): Reversed statements and removed bogus
3801 comment explaining why they should be in wrong order.
3802 (df_ru_dump, df_rd_dump): Enhanced debug info.
3803 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3805 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3806 reaching uses and fixed space problem.
3808 2006-05-23 Jan Hubicka <jh@suse.cz>
3810 * cgraphunit.c (decide_is_function_needed): Also nested functions
3811 and functions declared inline can be optimized out at -O0.
3813 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3815 * doc/install.texi (Configuration): Remove reference to CrossGCC
3819 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3822 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3823 ix86_compare_emitted is non-NULL.
3825 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3828 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3831 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3833 PR rtl-optimization/25514
3834 * combine.c (replaced_rhs_insn): New variable.
3835 (combine_instructions): Set replaced_rhs_insn when trying to replace
3836 a SET_SRC with a REG_EQUAL note.
3837 (distribute_notes): Use replaced_rhs_insn when determining the live
3838 range of a REG_DEAD register.
3840 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3841 Anatoly Sokolov <aesok@post.ru>
3843 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3844 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3845 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3846 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3847 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3848 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3849 at90usb647, at90usb1286 and at90usb1287 devices.
3850 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3851 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3853 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3855 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3857 2006-05-22 Richard Guenther <rguenther@suse.de>
3860 2006-01-31 Richard Guenther <rguenther@suse.de>
3861 Paolo Bonzini <bonzini@gnu.org>
3863 * doc/install.texi (--disable-libgcc-math): Document.
3865 2006-05-22 Richard Guenther <rguenther@suse.de>
3868 2006-01-31 Richard Guenther <rguenther@suse.de>
3870 * doc/invoke.texi (-msselibm): Document.
3871 * target.h (expand_library_builtin): New target hook.
3872 * builtins.c (expand_builtin): Use expand_library_builtin.
3873 (default_expand_library_builtin): New function.
3874 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3875 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3876 (link_gcc_math_spec): Declare.
3877 (static_specs): Add link_gcc_math_spec.
3878 * expr.h (default_expand_library_builtin): Declare.
3879 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3880 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3881 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3882 * config/i386/i386.opt (msselibm): New target option.
3883 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3884 (ix86_init_sse_abi_builtins): New function.
3885 (ix86_expand_library_builtin): Likewise.
3886 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3887 (override_options): Handle error conditions wrt -msselibm.
3888 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3889 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3890 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3893 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3896 * c-common.c (self_promoting_args_p): Skip erroneous args.
3899 * c-decl.c (finish_struct): Skip erroneous fields.
3901 2006-05-22 Nick Clifton <nickc@redhat.com>
3903 * config/cris/cris.opt (march): Remove VarExists attribute.
3904 (max-stackframe=): Likewise.
3906 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3908 * doc/rtl.texi: Fix a typo.
3909 * see.c: Fix comment typos.
3911 * tree-ssa-structalias.h (alias_info): Remove num_references.
3913 2006-05-21 Mike Stump <mrs@apple.com>
3915 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3917 (darwin_pragma_options): Use BAD instead.
3918 (darwin_pragma_unused): Likewise.
3919 (darwin_pragma_ms_struct): Likewise.
3921 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3923 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3925 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3927 PR rtl-optimization/27671
3928 * simplify-rtx.c (simplify_relational_operation_1): Fix
3929 simplifications of (eq/ne (xor x y) y) and
3930 (eq/ne (xor x y) x).
3932 PR tree-optimization/26622.
3933 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3936 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3938 * tree-cfg.c: Prune whitespace.
3939 (debug_tree_cfg): Point to correct header containing the
3942 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3945 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3947 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3950 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3951 or sorry count is non zero.
3953 2006-05-20 Andreas Schwab <schwab@suse.de>
3955 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3957 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3958 Kenneth Zadeck <zadeck@naturalbridge.com>
3960 PR rtl-optimization/26855
3962 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3964 (df_scan_alloc): Added code to properly handle multiword hard
3965 registers and add all_blocks parameter.
3966 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3967 code to properly handle multiword hard registers.
3968 (df_rescan_blocks): Added code to remove deleted blocks from
3970 (df_ref_create_structure, df_ref_record): Added code to properly
3972 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3973 and set DF_REF_PARTIAL.
3974 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3975 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3976 (df_scan_add_problem): Added flags parameter.
3977 (df_ref_create_structure): Changed switching structure.
3978 (df_bb_refs_record): Fixed case where duplicate artificial refs
3979 were created. Changed location of flags.
3980 (df_record_entry_block_defs): Added code to make stack pointer
3981 live in entry block. Refined cases where frame pointer is needed.
3982 Changed location of flags.
3983 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3984 (df_set_state): Removed function.
3985 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3986 df_insn_create_insn_record, df_insn_refs_delete,
3987 df_ref_create_structure): Formatting changes.
3988 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3989 df_delete_basic_block): New function.
3990 (df_init): Changed location of flags.
3991 (df_add_problem): Added flags parameter and the way flags are
3993 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3994 debug_df_chain): Improved debugging output.
3995 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3996 (df_refs_chain_dump): Removed df parameter.
3997 (df_iterative_dataflow): Added consistency check.
3998 (df_prune_to_subcfg): Made public.
3999 (df_analyze_problem): Added blocks_to_init parameter and made
4001 (df_ref_record, df_bb_refs_record, df_mark_reg,
4002 df_record_exit_block_uses): Whitespace changes.
4003 (df_dump): Whitespace changes.
4004 * df.h: Some reordering to remove forward references.
4005 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4006 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4007 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4008 (dataflow.flags): New field.
4009 (df.flag): Deleted field.
4010 (df_alloc_function): Added additional bitmap parameter.
4011 (df_dependent_problem_function): New type.
4012 (df_problem.changeable_flags): New field.
4013 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4014 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4015 (df_mw_hardreg): New struct.
4016 (DF_INSN_UID_MWS): New macro.
4017 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4019 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4020 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4021 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4022 (df_set_state): Removed function.
4023 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4024 * df-problems.c (df_chain_dump): Removed df parameter.
4025 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4026 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4028 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4029 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4030 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4031 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4032 DF_REF_MUST_CLOBBER cases.
4033 (df_ru_bb_local_compute_process_def,
4034 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4035 df_lr_bb_local_compute, df_ur_bb_local_compute,
4036 df_chain_create_bb): Made subreg aware.
4037 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4038 df_lr_bb_local_compute, df_lr_bb_local_compute,
4039 df_chain_create_bb): Cleanup to use proper macros.
4040 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4041 code to fixup bitvectors.
4042 (df_ri_alloc): Cleared lifetime.
4043 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4044 df_create_unused_note): New function.
4045 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4046 REG_DEAD and REG_UNUSED notes as well as register information.
4047 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4048 df_chains_dump): Fixed crash if problem was never run.
4049 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4050 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4051 df_ri_add_problem): Processes flags in uniform manner.
4052 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4053 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4054 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4055 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4056 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4057 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4058 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4059 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4060 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4061 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4062 * see.c (see_initialize_data): Ditto.
4063 * final.c (rest_of_clean_state) Added regstack_completed.
4064 * rtl.h (regstack_completed): Ditto.
4065 * reg-stack.c (regstack_completed): Ditto.
4067 2006-05-19 Mike Stump <mrs@apple.com>
4069 * c-tree.h (default_conversion): Remove.
4070 * c-common.h (default_conversion): Add.
4072 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4074 * tree-vrp.c (valid_value_p): New function.
4075 (adjust_range_with_scev): Fail if the value of bound is not
4078 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4080 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4081 (mips_fallback_frame_state): Use syscall numbers to determine
4082 the appropriate li instruction for the current ABI. Only use
4083 __NR_sigreturn for o32.
4085 2006-05-19 Nicolas Setton <setton@adacore.com>
4087 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4088 * langhooks.c (lhd_dwarf_name): New function.
4089 * langhooks-def.h (lhd_dwarf_name): Declare.
4090 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4091 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4092 * ada/misc.c (gnat_dwarf_name): New function.
4093 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4095 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4097 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4099 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4100 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4101 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4102 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4103 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4104 determine the size of Wtype, etc.
4105 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4106 (swfloatfuncs): New variable.
4107 (dwfloatfuncs): Likewise.
4108 (lib2funcs): Remove floating-point conversion functions from
4109 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4110 the set of conversion routines needed. Allow entries to specify
4111 an object name, filename and word size. Update users accordingly.
4112 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4113 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4117 2006-02-08 Roger Sayle <roger@eyesopen.com>
4120 * config/fixtfdi.c: New libgcc source file.
4121 * config/fixunstfdi.c: New source file.
4122 * config/floatditf.c: New source file.
4123 * config/floatunditf.c: New souce file.
4124 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4125 files above instead of config/mips/_tilib.c.
4126 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4128 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4130 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4131 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4133 2006-05-18 Mike Stump <mrs@apple.com>
4135 Fix up vla, vm and [*] sematics.
4141 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4142 (c_vla_unspec_p): Add.
4143 (c_vla_type_p): Add.
4144 * c-decl.c (struct c_scope): Add had_vla_unspec.
4145 (build_array_declarator): Add support for [*].
4146 (grokdeclarator): Likewise.
4147 (grokparms): Likewise.
4148 (get_parm_info): Likewise.
4149 * c-objc-common.c (c_vla_unspec_p): Likewise.
4150 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4151 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4152 typeof when argument is a variably modified type not inside sizeof or alignof.
4153 (c_parser_direct_declarator_inner): Propagate errors.
4154 (c_parser_sizeof_expression): Add support for [*].
4155 (c_parser_parms_declarator): Initialize had_vla_unspec.
4156 (c_parser_parms_list_declarator): Likewise.
4157 * c-typeck.c (c_vla_type_p): Add.
4158 (composite_type): Add support for vla compositing.
4159 (comptypes_internal): Add support for vla compatibility.
4160 (c_expr_sizeof_expr): Evaluate vla arguments.
4161 * tree.c (variably_modified_type_p): Update comment for [*].
4163 2006-05-18 Michael Matz <matz@suse.de>
4166 * config.host: Make assignments to host_xmake_file cumulative.
4167 * config.host (*-darwin*): Test $host, not $target.
4169 2006-05-12 Stuart Hastings <stuart@apple.com>
4171 * config/i386/i386.opt (-mstackrealign): New flag.
4172 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4173 (ix86_handle_cconv_attribute): Emit error when
4174 force_align_arg_pointer attribute collides with too many regparms.
4175 (ix86_function_regparm): Limit regparms when used with
4176 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4177 Support stack-realigning prologue in non-main functions. Emit
4178 warning for nested functions under -mstackrealign, emit error for
4179 nested functions with force_align_arg_pointer attribute.
4180 * doc/extend.texi (force_align_arg_pointer): Document it.
4181 * doc/invoke.texi (-mstackrealign): Document it.
4183 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4185 PR rtl-optimization/27477
4186 * combine.c (try_combine): Don't split a parallel consisting
4187 of two sets into two individual sets if both sets reference
4190 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4192 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4193 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4195 * doc/options.texi (VarExists): Updated.
4197 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4199 * unwind-dw2.c: Add declarations for uw_update_context and
4201 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4202 detected, advance frame state and context once to skip over stub.
4204 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4208 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4209 Call rewrite_into_loop_closed_ssa only when something changed.
4210 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4211 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4212 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4213 Test for perfect_nest_p here. Fix formating.
4214 (replace_uses_equiv_to_x_with_y): Fix formating.
4215 (stmt_uses_op): Removed.
4216 (can_convert_to_perfect_nest): Removed loopivs parameter.
4217 Complete the test by checking the scalar dependences.
4218 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4221 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4224 From Dan Kegel <dank@kegel.com>:
4225 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4227 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4229 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4230 if the element type is variably modified without recursing.
4232 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4235 * tree-loop-linear.c (try_interchange_loops): Test for
4236 no data dependences.
4238 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4240 PR tree-optimization/27548
4241 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4242 range of ssa names that appear on abnormal edges.
4243 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4244 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4246 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4249 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4251 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4254 * tree.h (OMP_PARALLEL_COMBINED): Define.
4255 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4256 (new_omp_context): Add is_combined_parallel argument.
4257 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4258 new_omp_context caller.
4259 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4260 Adjust gimplify_scan_omp_clauses callers.
4261 (omp_is_private): Issue errors if iteration variable is firstprivate
4262 or reduction in the current context.
4263 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4264 on combined parallel workshare constructs.
4266 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4268 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4269 (gcc-options.o): New rule.
4271 * optc-gen.awk: Protect variables for gcc-options.o with
4272 #ifdef GCC_DRIVER/#endif.
4274 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4276 Fix PR tree-optimization/27373
4277 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4278 (forward_propagate_addr_expr): Update call.
4280 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4282 * doc/options.texi: Move the Negative option.
4284 2006-05-16 Richard Guenther <rguenther@suse.de>
4286 PR tree-optimization/22303
4287 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4289 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4290 ccp_fold did not simplify the statement.
4292 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4295 * Makefile.in (GCC_OBJS): New.
4296 (OBJS-common): Add opts-common.o.
4297 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4298 (cpp$(exeext)): Likewise.
4299 (gcc.o): Also depend on opts.h.
4300 (opts-common.o): New.
4302 * common.opt (gcoff): Add Negative(gdwarf-2).
4303 (gdwarf-2): Add Negative(gstabs).
4304 (gstabs): Add Negative(gstabs+).
4305 (gstabs+): Add Negative(gvms).
4306 (gvms): Add Negative(gxcoff).
4307 (gxcoff): Add Negative(gxcoff+).
4308 (gxcoff+): Add Negative(gcoff).
4309 * config/i386/i386.opt (m32): Add Negative(m64).
4310 (m64): Add Negative(m32).
4312 * doc/options.texi: Document the Negative option.
4314 * gcc.c: Include "opts.h".
4315 (main): Call prune_options after expandargv.
4317 * optc-gen.awk: Generate common declarations for all flag
4318 variables in options.c. Output the neg_index field.
4320 * opts.c (find_opt): Moved to ...
4321 * opts-common.c: Here. New file.
4323 * opts.h (cl_option): Add a neg_index field.
4325 (prune_options): Likewise.
4327 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4330 * omp-low.c (expand_omp_parallel): Don't assert
4331 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4332 instead search for it.
4335 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4338 2006-05-16 Andreas Schwab <schwab@suse.de>
4340 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4343 2006-05-15 Roger Sayle <roger@eyesopen.com>
4346 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4347 integer constants other than zero are only legitimate on TARGET_64BIT.
4348 <CONST_VECTOR> Only zero vectors are legitimate.
4349 (ix86_cannot_force_const_mem): Integral and vector constants can
4350 always be put in the constant pool.
4352 2006-05-16 DJ Delorie <dj@redhat.com>
4354 * crtstuff.c (__dso_handle): Set section from
4355 TARGET_LBIGCC_SDATA_SECTION if defined.
4356 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4357 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4359 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4362 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4365 2006-05-16 Ben Elliston <bje@au.ibm.com>
4367 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4369 2006-05-15 Per Bothner <per@bothner.com>
4371 * tree.c: (last_annotated_node): Use source_locus typedef.
4372 This permits bootstrapping with --enable-mapped-location.
4374 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4376 PR tree-optimization/26830
4377 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4378 (info_for_ssa_name, current_info_for_ssa_name_age,
4379 blocks_to_update): New variables.
4380 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4381 (clear_ssa_name_info, initialize_flags_in_bb,
4382 mark_block_for_update): New functions.
4383 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4384 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4385 prepare_def_site_for): Use mark_block_for_update.
4386 (mark_def_interesting): Assert that the processed block is marked in
4387 blocks_to_update. Do not take blocks argument.
4388 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4390 (rewrite_update_init_block, rewrite_update_stmt): Only process
4391 blocks with statements to rewrite.
4392 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4393 (update_ssa): Initialize and free blocks_to_update. Do not
4394 clear flags on statements. Do not use blocks bitmap.
4395 * tree.h (SSA_NAME_AUX): Removed.
4396 (struct tree_ssa_name): Removed aux field.
4397 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4399 2006-05-15 Richard Guenther <rguenther@suse.de>
4401 PR tree-optimization/27603
4402 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4403 Do computations in original type.
4405 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4407 * see.c: Code style changes such as redundant paranthesis,
4408 redundant intialization of local variables etc.
4409 (see_main): Declared now as static.
4410 * doc/invoke.texi: Update that -fsee is not enabled by
4413 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4415 * omp-low.c (check_omp_nesting_restrictions): New function.
4416 (scan_omp_1): Call it.
4419 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4420 construct, return *VAR.
4422 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4424 PR rtl-optimization/27406
4425 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4428 2006-05-14 Roger Sayle <roger@eyesopen.com>
4430 PR rtl-optimization/27538
4431 * combine.c (expand_compound_operation): Call gen_lowpart
4432 before calling simplify_shift_const.
4434 2006-05-14 Roger Sayle <roger@eyesopen.com>
4436 PR rtl-optimization/22563
4437 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4438 a fixed width bitfield, always force the intermediates into psuedos.
4440 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4443 * mkconfig.sh: Use operator = instead of == for test.
4445 2006-05-13 Nick Clifton <nickc@redhat.com>
4447 * dwarf2out.c (dbx_reg_number): Check return value from
4448 LEAF_REG_REMAP and only use it if it is valid.
4449 (multiple_reg_loc_descriptor): Likewise.
4451 2006-05-13 Richard Guenther <rguenther@suse.de>
4453 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4456 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4458 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4459 information attached to non-INSNs such as NOTEs.
4460 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4462 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4464 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4466 * config/s390/s390.md: Adjust comment describing On constraint.
4468 2006-05-11 Jan Hubicka <jh@suse.cz>
4470 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4471 to be output at -O0.
4473 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4476 * fold-const.c (size_binop): Move sanity check for arguments to
4477 the beginning of the function.
4480 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4483 2006-05-11 Richard Guenther <rguenther@suse.de>
4486 * fold-const.c (fold_unary): Handle intermediate conversion
4487 to a pointer type like intermediate conversion to an integer
4488 type in folding of (T1)(T2)var to var.
4489 Match the code to the comment in the final conversion for
4490 (T1)(T2)var to (T1)var regarding to type precision. Rather
4491 than disallow T1 being of pointer type, assert that both T1
4492 and var are of pointer type or not. Make sure not to fall
4493 over the frontends lazyness wrt array to pointer decay though.
4495 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4497 * arm.c (arm_struct_value_rtx): Delete.
4498 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4499 (arm_init_cumulative_args): Always initialize nregs to zero.
4501 2006-05-10 Richard Guenther <rguenther@suse.de>
4503 PR tree-optimization/27532
4504 * tree-object-size.c (plus_expr_object_size): Fix typo.
4506 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4509 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4510 ashrdi_const, ashrdi3): Use a scratch register.
4512 2006-05-10 Richard Guenther <rguenther@suse.de>
4514 PR tree-optimization/27302
4515 * fold-const.c (operand_equal_p): For two comparisons,
4516 try comparison of one comparison code swapped if that yields
4519 2006-05-10 Ben Elliston <bje@au.ibm.com>
4521 * tree-pretty-print.c (pretty_print_string): No need to handle
4522 '\0' as a special character.
4524 * tree.h: Include "hashtab.h".
4525 (iterative_hash_expr): Use hashval_t in its prototype.
4526 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4528 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4531 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4532 (hppa*64*-*-hpux11*): Ditto.
4533 (hppa[12]*-*-hpux11*): Ditto.
4535 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4538 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4540 2006-05-09 Michael Matz <matz@suse.de>
4542 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4543 host_extra_gcc_objs and host_xmake_file.
4544 (<*-*-linux*>): Don't overwrite host_xmake_file.
4545 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4546 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4547 (host_detect_local_cpu): Declare.
4548 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4549 * config/i386/i386.c (override_options): Handle -mtune=native
4551 * config/i386/x-i386: New file.
4552 * config/i386/driver-i386.c: New file.
4553 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4556 2006-05-09 Dirk Mueller <dmueller@suse.de>
4557 Richard Guenther <rguenther@suse.de>
4560 * fold-const.c (fold_read_from_constant_string): Relax check
4561 for matching types to matching modes.
4563 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4565 PR rtl-optimization/27335
4566 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4569 2006-05-08 Chao-ying Fu <fu@mips.com>
4570 Richard Sandiford <richard@codesourcery.com>
4572 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4573 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4574 * config/mips/mips.md (UNSPEC_SCC): New constant.
4575 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4576 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4577 (mips_emit_compare): Use it.
4578 (mips_expand_vcondv2sf): New function.
4580 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4582 Fix PR tree-optimization/27093
4583 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4584 renaming when they become not-used_alone.
4586 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4588 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4589 relocation and relocation stubs.
4591 2006-05-08 Eric Christopher <echristo@apple.com>
4593 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4596 2006-05-08 Jan Hubicka <jh@suse.cz>
4599 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4600 unused static functions are needed.
4602 2006-05-08 Roger Sayle <roger@eyesopen.com>
4605 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4606 of a reg_equiv_constant if the result is a legitimate constant.
4608 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4611 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4612 standard 80387 constants, raise the cost to prevent
4613 compress_float_constant() to generate load from memory.
4615 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4617 * config/arm/constraints.md (c): Fix a typo.
4619 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4622 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4625 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4627 (_mm_mwait): Likewise.
4629 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4631 (sse3_monitor): Make it 32bit only.
4632 (sse3_monitor64): New. 64bit monitor.
4634 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4637 * config/i386/i386.c (classify_argument): Skip fields with invalid
4640 2006-05-07 Richard Guenther <rguenther@suse.de>
4642 PR tree-optimization/27409
4643 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4644 Do not try to find zero-sized subvars.
4646 2006-05-07 Richard Guenther <rguenther@suse.de>
4648 PR tree-optimization/27136
4649 * tree-ssa-loop-niter.c (get_val_for): Correct function
4650 comment, assert requirements.
4651 (loop_niter_by_eval): Stop processing if the iterated
4652 value did not simplify.
4654 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4656 * opts.c (flag_see): remove its setting at -O3.
4658 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4660 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4661 * arm/constraints.md: New file.
4662 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4663 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4664 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4665 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4666 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4667 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4668 * arm.md: Include constraints.md.
4669 (thumb_movsi_insn): Use satisfies_constraint_J.
4670 (movhi, movqi): Use satisfies_constraint_I.
4672 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4674 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4675 for atmeg a645 device.
4677 2006-05-06 Richard Guenther <rguenther@suse.de>
4679 PR tree-optimization/27151
4680 * tree-vect-transform.c (vectorizable_condition): Punt on
4681 values that have a different type than the condition.
4683 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4686 * c-parser.c (c_parser_cast_expression): Only insert casts into
4687 hash table if pointer.
4688 * function.c (used_types_insert_helper): Rename from
4690 (used_types_insert): Call used_types_insert_helper.
4691 * function.h (used_types_insert): Accept only one argument.
4693 2006-05-05 David Edelsohn <edesohn@gnu.org>
4695 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4696 scratch with output modifier.
4698 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4701 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4702 with output modifier.
4704 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4707 * config/mips/mips.c (mips_symbolic_address_p): Return true
4708 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4709 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4711 2006-05-04 Richard Guenther <rguenther@suse.de>
4713 PR tree-optimization/14287
4714 PR tree-optimization/14844
4715 PR tree-optimization/19792
4716 PR tree-optimization/21608
4717 PR tree-optimization/27090
4718 * tree-ssa-pre.c (try_combine_conversion): New function.
4719 (compute_avail): After constructing the value-handle
4720 expression, use try_combine_conversion to combine NOP_EXPRs
4721 with previous value-handle expressions and use the result if it
4724 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4726 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4728 2006-05-04 Jan Hubicka <jh@suse.cz>
4731 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4733 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4735 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4736 that this only matches CONST_INTs. All users changed to VOIDmode
4739 * config/bfin/bfin.c: Include "optabs.h".
4740 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4742 (enum bfin_builtins): Add a number of fractional and vector builtins.
4743 (bfin_init_builtins): Likewise.
4744 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4745 (safe_vector_operand, bfin_expand_binop_builtin,
4746 bfin_expand_unop_builtin): New functions.
4747 (bfin_expand_builtin): Handle the new builtins.
4748 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4751 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4754 * Makefile.in (OBJS-common): Add see.o.
4755 (see.o): Add dependencies.
4756 * common.opt (fsee): New flag for the see optimization was added.
4757 * opts.c (flag_see): Initialized.
4758 * passes.c (init_optimization_passes, pass_see): New pass.
4759 * rtl.h (see_main): Declaration as extern.
4760 * timevar.def (TV_SEE): New.
4761 * tree-pass.h (pass_see): Declaration as extern.
4762 * invoke.texi (-fsee): Document.
4763 * recog.c (validate_simplify_insn): New function.
4764 * recog.h (validate_simplify_insn): Declaration as extern.
4765 * df-problems.c (df_chain_dump): Check for NULL.
4767 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4768 Daniel Berlin <dberlin@dberlin.org>
4770 * cfgrtl.c (insert_insn_bb_end_new): New function.
4771 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4773 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4775 * df.h (struct web_entry): Moved from web.c.
4776 (union_defs): Declaration as extern.
4777 (unionfind_root): Likewise.
4778 (unionfind_union): Likewise.
4779 * web.c (struct web_entry): Moved to df.h.
4780 (unionfind_root): Remove static declaration.
4781 (unionfind_union): Likewise.
4782 (union_defs): Likewise and generalize to use callback function.
4783 (web_main): Update arguments for union_defs function call.
4785 2006-05-04 Richard Guenther <rguenther@suse.de>
4787 PR tree-optimization/26447
4788 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4789 produce SSA_NAME copies before the store stmt to avoid
4790 breaking exception handling.
4792 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4795 * gimplify.c (omp_is_private): If var is shared in some outer context,
4796 return false instead of true. Stop searching on parallel context
4799 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4802 * coverage.c: Use get_gcov_unsigned_t() instead of
4803 unsigned_type_node all over.
4805 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4807 PR tree-optimization/27381
4808 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4809 maintain the same immediate_use links.
4810 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4811 node rather than segfaulting.
4813 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4816 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4817 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4818 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4820 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4822 Fix PR tree-optimization/26626
4823 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4825 * tree-ssa-operands.c (access_can_touch_variable): Allow
4826 typecasting through union pointers.
4828 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4831 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4832 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4833 to find if var will be a global variable even in the nested context.
4834 (omp_copy_decl): Only check for global variable at the end, it might
4835 be overridden in outer contexts.
4836 (scan_sharing_clauses): For global variables don't create a field.
4837 (lower_rec_input_clauses): Do nothing for global shared variables.
4838 Emit a barrier at the end of ILIST if there were any decls in both
4839 firstprivate and lastprivate clauses.
4840 (lower_send_clauses): Do nothing for global variables except for
4843 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4845 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4846 of the correct signedness is returned.
4848 2006-05-02 Jeff Law <law@redhat.com>
4850 PR tree-optimization/27364
4851 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4852 multiply expressions.
4854 2006-05-02 Tom Tromey <tromey@redhat.com>
4856 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4858 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4861 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4862 -mthumb -fPIC are used.
4864 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4865 Joshua Kinard <kumba@gentoo.org>
4868 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4869 with 64-bit pointers.
4871 2006-05-02 Paul Brook <paul@codesourcery.com>
4873 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4875 (create_fix_barrier): Check that a suitable barrier location is
4877 (arm_reorg): Include ftmp->address in allowable range of addresses.
4879 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4882 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4885 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4888 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4889 around RESULT_DECL for result passed by reference.
4890 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4891 * omp-low.c (use_pointer_for_field): Don't look at
4892 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4893 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4894 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4895 time or var for passing by reference for
4896 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4897 TREE_ADDRESSABLE variables when passing by reference.
4899 * omp-low.c (dump_omp_region): Fix output formatting.
4902 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4903 (expand_omp_parallel): Likewise.
4904 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4907 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4908 on statement list containing also constructors and destructors.
4909 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4912 * except.c (duplicate_eh_regions): Fix clearing of
4913 cfun->eh->region_array entries.
4915 2006-05-01 DJ Delorie <dj@redhat.com>
4917 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4919 (gcc_cv_objdump): Likewise.
4920 * configure: Regenerated.
4922 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4925 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4926 templates for case 3 and 4.
4928 2006-05-01 DJ Delorie <dj@redhat.com>
4930 * vec.c: Include bconfig.h when appropriate.
4931 * Makefile.in (build/vec.o): Adjust dependencies.
4932 * mkconfig.sh: Make sure config.h isn't used for build machine
4935 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4937 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4939 (mark_phi_for_rewrite): New function.
4940 (insert_phi_nodes_for, mark_use_interesting): Call
4941 mark_phi_for_rewrite.
4942 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4943 (update_ssa): Initialize and free phis_to_rewrite.
4945 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4947 PR rtl-optimization/27291
4948 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4949 folded to a constant.
4951 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4953 PR tree-optimization/27283
4954 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4955 not whole # of iteration descriptions.
4956 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4957 uses abnormal ssa name.
4958 (niter_for_single_dom_exit): Ditto.
4959 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4960 return just the number of iterations.
4962 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4964 PR tree-optimization/27144
4965 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4966 (record_estimate): Only record constant upper bound.
4967 (infer_loop_bounds_from_undefined): Call
4968 compute_estimated_nb_iterations just once.
4969 (proved_non_wrapping_p): Renamed to ...
4970 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4971 (convert_step_widening, scev_probably_wraps_p): Call
4972 n_of_executions_at_most instead of proved_non_wrapping_p.
4973 (substitute_in_loop_info): Do not replace values in bounds.
4974 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4977 2006-05-01 Richard Henderson <rth@redhat.com>
4980 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4981 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4984 2006-05-01 Roger Sayle <roger@eyesopen.com>
4986 * c-typeck.c (parser_build_binary_op): Don't call the function
4987 unsigned_conversion_warning to spot operand/result type overflow.
4988 (build_binary_op): Instead, call convert_and_check instead of
4989 convert to report the problem when the operands are promoted.
4990 * c-common.c (unsigned_conversion_warning): Make static.
4991 * c-common.h (unsigned_conversion_warning): Delete prototype.
4993 2006-05-01 Richard Guenther <rguenther@suse.de>
4995 PR tree-optimization/26726
4996 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4998 (find_interesting_uses_address): ... we work around here
4999 by folding INDIRECT_REFs in the substituted base.
5001 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5003 * omp-low.c (dump_omp_region): Add newlines.
5005 2006-04-30 Roger Sayle <roger@eyesopen.com>
5007 * common.opt (Woverflow): New command line option.
5008 * c-common.c (constant_expression_warning): Check warn_overflow.
5009 (overflow_waring): Pass OPT_Woverflow to warning.
5010 (unsigned_conversion_warning): Likewise.
5011 (convert_and_check): Likewise.
5012 * doc/invoke.texi: Document new command line option.
5014 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5016 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5017 TARGET_NO_FP_IN_TOC for section anchors.
5018 (optimization_options): Enable section anchors for all
5019 non-"Objective" languages.
5021 2006-04-28 Eric Christopher <echristo@apple.com>
5023 * config/darwin-c.c (darwin_ms_struct): Move this
5024 (darwin_set_default_type_attributes): and this...
5025 * config/darwin.c: ... here.
5026 * config/darwin.h (darwin_ms_struct): Declare.
5028 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5030 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5032 2006-04-28 Roger Sayle <roger@eyesopen.com>
5035 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5036 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5037 an unsigned HOST_WIDE_INT.
5038 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5040 (really_start_incremental_init): No need to call convert because
5041 bitsize_zero_node is already of type bitsizetype.
5042 (push_init_level): Extract the value of constructor_index as an
5043 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5044 (process_init_element): Likewise.
5046 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5048 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5049 value before passing to make_relative_prefix.
5051 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5054 * builtins.c (expand_builtin_memset): Expand val in original mode.
5056 2006-04-27 Eric Christopher <echristo@apple.com>
5058 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5059 with #ifndef/#endif.
5060 * config/darwin-c.c (darwin_ms_struct): New.
5061 (darwin_pragma_ms_struct): Ditto.
5062 (darwin_set_default_type_attributes): Ditto.
5063 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5064 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5065 Register ms_struct pragma.
5066 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5067 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5068 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5069 darwin_set_default_type_attributes if TARGET_MACHO.
5071 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5073 PR tree-optimization/26854
5074 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5075 * doc/tree-ssa.texi: Update immuse iterator documentation.
5076 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5077 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5078 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5079 first_safe_imm_use, next_safe_imm_use): Remove.
5080 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5081 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5082 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5083 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5084 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5085 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5086 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5087 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5088 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5089 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5090 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5091 (perfect_nestify): Use new iterator.
5092 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5094 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5095 (next_imm_name): New field in struct immediate_use_iterator_d.
5096 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5097 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5098 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5099 * tree-cfg.c (replace_uses_by): Use new iterator.
5100 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5101 * tree-ssa-operands.c (correct_use_link): Remove.
5102 (finalize_ssa_use_ops): No longer call correct_use_link.
5104 2006-04-27 Stuart Hastings <stuart@apple.com>
5106 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5107 * config/t-darwin (crt3.o): Use it.
5108 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5109 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5110 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5111 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5112 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5115 2006-04-27 Roger Sayle <roger@eyesopen.com>
5117 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5118 size, force the intermediate into a new pseudo rather instead of
5119 performing both a bitwise AND and a bitwise IOR in memory.
5121 2006-04-27 Richard Guenther <rguenther@suse.de>
5123 PR rtl-optimization/26685
5124 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5125 this one "max-flow-memory-locations".
5127 2006-04-27 Richard Guenther <rguenther@suse.de>
5129 PR tree-optimization/25148
5130 * tree-vrp.c (compare_values): Remove code dealing with
5131 comparisons against type min/max value. Honour overflow
5132 and negative constants in code dealing with comparisons
5133 of plus and minus expressions.
5134 (value_inside_range): Use fold_binary with LE_EXPR and
5135 GE_EXPR rather than compare_values.
5137 2006-04-27 Dirk Mueller <dmueller@suse.de>
5139 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5142 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5144 * basic-block.h (safe_insert_insn_on_edge): Removed.
5145 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5147 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5148 Paolo Bonzini <bonzini@gnu.org>
5151 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5152 (simplify_and_const_int): Same.
5154 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5156 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5158 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5161 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5162 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5163 cgraph_global_info_ready.
5166 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5169 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5170 either decl or init is error_mark_node.
5173 * tree-flow.h (struct omp_region): Add sched_kind.
5174 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5175 instead of extracting omp for data.
5176 (expand_omp_for): Save extracted sched_kind.
5178 2006-04-25 Roger Sayle <roger@eyesopen.com>
5180 * expmed.c (store_bit_field): Also check whether the bitsize is
5181 valid for the machine's "insv" instruction before moving the
5182 target into a pseudo for use with the insv.
5183 * config/i386/predicates.md (const8_operand): New predicate.
5184 * config/i386/i386.md (extv, extzv, insv): Use the new
5185 const8_operand predicate where appropriate.
5187 2006-04-25 DJ Delorie <dj@redhat.com>
5189 * doc/install.texi (Specific): Clarify that this is not a list of
5190 supported hosts or targets.
5192 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5194 PR rtl-optimization/26725
5195 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5196 block's BB_DIRTY flag.
5198 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5200 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5203 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5204 to print an integer.
5206 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5208 * varasm.c (align_variable): New function.
5209 (get_block_for_decl): Apply align_variable to DECL before
5210 calculating section information.
5211 (assemble_variable): Split out alignment computation.
5213 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5215 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5218 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5220 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5221 MODE_PARTIAL_INT mode.
5222 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5223 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5225 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5226 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5228 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5230 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5232 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5233 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5234 MACFLAG_IH): Likewise.
5235 (movstricthi_1): Renamed from "*movstricthi".
5236 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5237 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5238 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5239 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5240 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5241 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5242 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5243 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5244 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5245 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5246 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5247 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5248 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5249 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5250 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5252 * doc/rtl.texi (ss_ashift): Improve wording.
5254 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5256 * dwarf2out.c (verify_marks_clear): New.
5257 (prune_unused_types): Call verify_marks_clear initially, not
5260 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5262 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5263 * doc/rtl.texi: Document them.
5264 * simplify-rtx.c (simplify_unary_operation,
5265 simplify_binary_operation_1): Don't abort when we see them.
5267 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5270 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5271 * configure.ac: Completely disregard languages that are not
5273 * configure: Regenerated.
5275 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5276 Richard Guenther <rguenther@suse.de>
5278 PR tree-optimization/27236
5279 * tree-inline.c (copy_body_r): Make sure to copy
5280 TREE_THIS_VOLATILE flag.
5282 2006-04-24 Richard Guenther <rguenther@suse.de>
5285 * tree-complex.c (update_parameter_components): Don't handle
5286 unused parameters which have no default def.
5288 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5289 Richard Guenther <rguenther@suse.de>
5291 PR tree-optimization/27218
5292 * tree-inline.c (expand_call_inline): Strip useless type
5293 conversions for the return slot address.
5295 2006-04-24 Richard Guenther <rguenther@suse.de>
5297 * cfgloop.h (struct loops): Remove unused field array. Reorder
5299 (LOOP_PREFETCH): Remove.
5301 2006-04-24 Richard Guenther <rguenther@suse.de>
5303 PR tree-optimization/22525
5304 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5305 variable, adjust types of generated expressions.
5307 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5309 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5310 (tree-vect-patterns.o): Likewise.
5312 (cselib.o): Likewise.
5313 (loop-doloop.o): Likewise.
5314 (regclass.o): Likewise.
5315 (reload1.o): Likewise.
5316 (explow.o): Replace target.h with $(TARGET_H).
5317 (ipa-prop.o): Likewise.
5318 (ipa-cp.o): Likewise.
5319 (ipa-inline.o): Likewise.
5320 (reorg.o): Likewise.
5321 (reg-stack.o): Likewise.
5323 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5325 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5327 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5329 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5331 * configure.ac: Completely disregard languages that are not
5333 * configure: Regenerated.
5336 * c-common.h (c_build_bitfield_integer_type): Declare.
5337 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5338 * c-common.c (c_build_bitfield_integer_type): ... here.
5340 2006-04-23 Roger Sayle <roger@eyesopen.com>
5343 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5344 a SImode SUBREG of a floating point register after no_new_pseudos.
5346 2006-04-23 Roger Sayle <roger@eyesopen.com>
5348 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5349 identify potentially eliminable registers to additionally catch
5350 VIRTUAL_INCOMING_ARGS_REGNUM.
5351 (addsi3): Update the conditions on when to use addsi_small_int.
5353 2006-04-23 Roger Sayle <roger@eyesopen.com>
5356 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5357 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5358 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5360 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5362 * fold-const.c (range_predecessor): Use operand_equal_p
5363 as the predicate for equality.
5364 (range_successor): Likewise.
5366 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5369 * config/soft-fp/op-common.h: Fix a typo.
5371 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5374 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5375 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5377 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5379 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5381 * doc/tm.texi: Fix a typo.
5383 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5385 * dwarf2out.c (struct die_struct): Document that die_sib makes
5386 a circular linked list.
5387 (FOR_EACH_CHILD): New.
5388 (reverse_die_lists): Delete.
5389 (reverse_all_dies): Delete.
5390 (add_dwarf_attr): Correct documentation.
5391 (remove_child_with_prev): New.
5392 (remove_child_TAG): Update for change to die_struct, use
5393 remove_child_with_prev.
5394 (add_child_die): Update for change to die_struct.
5395 (splice_child_die): Use remove_child_with_prev and add_child_die.
5396 (print_die): Use FOR_EACH_CHILD.
5397 (die_checksum): Likewise.
5398 (assign_symbol_names): Likewise.
5399 (output_location_lists): Likewise.
5400 (build_abbrev_table): Likewise.
5401 (calc_die_sizes): Likewise.
5402 (mark_dies): Likewise.
5403 (unmark_dies): Likewise.
5404 (unmark_all_dies): Likewise.
5405 (output_die): Likewise.
5406 (prune_unused_types_mark): Likewise.
5407 (prune_unused_types_walk): Likewise.
5408 (same_die_p): Update for change to die_struct.
5409 (break_out_includes): Likewise.
5410 (prune_unused_types_prune): Likewise.
5411 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5412 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5414 (dwarf2out_finish): Don't call reverse_all_dies.
5416 2006-04-21 Eric Christopher <echristo@apple.com>
5418 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5419 in comments and function names.
5421 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5424 * c-typeck.c (digest_init): Robustify.
5426 * c-typeck.c (pop_init_level): Simplify.
5428 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5430 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5432 2006-04-21 Paul Brook <paul@codesourcery.com>
5434 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5435 hardware floating point.
5437 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5439 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5442 2006-04-21 Nick Clifton <nickc@redhat.com>
5444 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5447 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5450 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5451 C++ lang type in traceback table for Objective-C++.
5453 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5455 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5457 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5459 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5462 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5463 were errors. Remove check for erroneous objects.
5465 2006-04-20 Jeff Law <law@redhat.com>
5467 PR tree-optimization/26854
5468 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5469 checking for zero or one use.
5470 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5471 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5472 * tree-ssa-reassoc.c (negate_value): Similarly.
5473 (reassociate_bb): Similarly.
5475 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5477 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5478 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5479 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5481 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5483 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5484 fp regs if the last fp arg doesn't fit in regs.
5486 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5489 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5490 that the last insn has the REG_INC note.
5492 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5493 Nathan Sidwell <nathan@codesourcery.com>
5496 * stor-layout.c (update_alignment_for_field): Do not align
5498 (place_union_field): Place union field at the start of the union.
5499 (place_field): Move ERROR_MARK check later, and use the current
5500 allocation position to maintain monotonicity.
5502 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5504 * dominance.c: Include timevar.h.
5505 (calculate_dominance_info): Use TV_DOMINANCE.
5506 * timevar.def (TV_DOMINANCE): New timevar.
5507 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5509 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5511 PR rtl-optimization/14261
5512 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5513 move would be an INSV insn.
5514 (noce_process_if_block): Don't optimize if the destination is a
5515 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5517 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5519 * config/s390/s390.md: Add comments with the instructions emitted
5520 by an insn pattern if macros are used.
5522 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5524 PR rtl-optimization/26026
5525 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5526 is a known power of two shifted left a variable amount.
5528 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5530 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5531 to hash table twice when the debug_str section has SECTION_MERGE.
5533 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5535 * config/soft-fp: New directory. From glibc.
5536 * config/soft-fp/t-softfp: New.
5537 * config/soft-fp/README: New.
5538 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5539 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5540 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5541 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5542 * config.gcc: Use rs6000/t-fprules-fpbit or
5543 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5545 * config/rs6000/sfp-machine.h: New. Based on glibc.
5546 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5548 * config/rs6000/t-fprules: Remove fp-bit rules.
5549 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5550 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5551 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5552 (softfp_wrap_start, softfp_wrap_end): New.
5554 2006-04-18 DJ Delorie <dj@redhat.com>
5556 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5558 2006-04-18 Devang Patel <dpatel@apple.com>
5560 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5562 2006-04-18 Nick Clifton <nickc@redhat.com>
5564 * config/sh/t-symbian: Add rule to build sh-c.o
5565 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5566 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5567 (sh_symbian_encode_section_info): Likewise.
5569 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5571 * builtins.c (expand_builtin_strcmp): Cover label definition of
5572 do_libcall with HAVE_cmpstrnsi.
5574 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5576 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5578 * function.h (temp_slot_p): New.
5579 (function): Change the type of x_used_temp_slots to
5580 VEC(temp_slot_p,gc) *.
5582 2006-04-18 Nick Clifton <nickc@redhat.com>
5584 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5585 flag_strength_reduce.
5587 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5589 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5593 Partial revert of revision 112637
5594 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5595 Dale Johannesen <dalej@apple.com>
5598 * regclass.c (struct reg_pref): Update documentation.
5599 (regclass): Set prefclass to NO_REGS if memory is the best option.
5600 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5602 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5604 PR tree-optimization/26821
5605 * tree-ssa-math-opts.c (get_constant_one): New.
5606 (insert_reciprocals): Use it.
5608 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5610 * dwarf2out.c (free_AT): Delete.
5611 (remove_AT): Update string ref counts.
5612 (remove_child_TAG): Don't call free_die.
5614 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5615 or DW_TAG_GNU_EINCL.
5616 (prune_unused_types_walk_attribs): Reset string refcounts.
5617 (prune_unused_types_update_strings): New.
5618 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5619 call free_die. Do call prune_unused_types_update_strings.
5620 (prune_unused_types): Empty debug_str_hash.
5622 2006-04-17 Roger Sayle <roger@eyesopen.com>
5624 * expr.c (expand_assignment): Optimize away no-op moves where the
5625 source and destination are equal and have no side-effects.
5627 2006-04-17 Richard Guenther <rguenther@suse.de>
5630 * reload.c (push_reload): Guard calls to get_secondary_mem
5633 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5635 * alias.c (reg_base_value, old_reg_base_value): Change the
5636 type to VEC(rtx,gc) *.
5637 (REG_BASE_VALUE, find_base_value, record_set,
5638 init_alias_analysis): Use VEC instead of VARRAY.
5640 * alias.c (alias_sets): Change the type to
5641 VEC(alias_set_entry,gc) *.
5642 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5643 VEC instead of VARRAY.
5644 (last_alias_set): Remove.
5646 * cgraph.h (cgraph_edge_p): New.
5647 Update the prototype of cgraph_function_versioning.
5648 * cgraphunit.c (cgraph_copy_node_for_versioning,
5649 cgraph_function_versioning): Use VEC instead of VARRAY.
5650 * ipa-cp.c (ipcp_insert_stage): Likewise.
5652 2006-04-16 Roger Sayle <roger@eyesopen.com>
5655 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5656 "A op B" or "A op C", we may need to convert A to the type of B and C.
5658 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5660 * target.h (struct gcc_target): Add mode_rep_extended.
5661 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5662 (init_num_sign_bit_copies_in_rep): Initialize it using
5664 (truncate_to_mode): Use it.
5665 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5666 * targhooks.h (default_mode_rep_extended): Declare it.
5667 * targhooks.c (default_mode_rep_extended): Define it.
5668 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5669 default_mode_rep_extended.
5670 (TARGET_INITIALIZER): Include it.
5671 * doc/tm.texi (Misc): Document it.
5672 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5673 (mips_truncated_to_mode): New function.
5675 2006-04-16 Roger Sayle <roger@eyesopen.com>
5678 * expr.c (compress_float_constant): Copy the narrow constant into
5679 a new pseudo before extending it to its final width.
5681 2006-04-16 Roger Sayle <roger@eyesopen.com>
5682 Andrew Pinski <pinskia@gcc.gnu.org>
5683 Dale Johannesen <dalej@apple.com>
5686 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5687 special case code to implement V8HImode and V16QImode with SSE2.
5689 2006-04-15 Roger Sayle <roger@eyesopen.com>
5691 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5692 trees are constructed with a suitable tree type.
5694 2006-04-15 Roger Sayle <roger@eyesopen.com>
5696 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5697 (integer_onep): Likewise.
5698 (integer_all_onesp): Likewise.
5699 (integer_pow2p): Likewise.
5700 (integer_nonzerop): Likewise.
5701 (real_zerop): Likewise.
5702 (real_onep): Likewise.
5703 (real_twop): Likewise.
5704 (real_minus_onep): Likewise.
5705 (int_size_in_bytes): Likewise.
5706 (host_integerp): Likewise.
5708 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5710 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5711 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5712 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5714 * tree-ssa-structalias.h (alias_info): Remove num_references.
5716 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5718 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5719 (output_bvb patterns): Likewise.
5720 * pa.c (output_bb): Use 'bb' insn for long branch case.
5721 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5722 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5723 1. Correct length operand for alternatives 1 and 2.
5724 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5725 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5727 2006-04-14 Roger Sayle <roger@eyesopen.com>
5729 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5730 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5731 were accidentally reverted by r112959.
5733 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5736 * except.h (eh_region_outermost): New prototype.
5737 * except.c (eh_region_outermost): New function.
5738 * tree-cfg.c (find_outermost_region_in_block): Use it.
5740 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5742 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5744 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5745 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5746 (init_reload, reload): Use VEC instead of VARRAY.
5747 * reload.h: Update the prototype for
5748 reg_equiv_memory_loc_varray.
5750 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5751 Eric Botcazou <ebotcazou@libertysurf.fr>
5753 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5756 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5759 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5760 to expand fallback builtin function call.
5762 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5765 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5766 and emit libcall here in case the builtin fails.
5767 (expand_builtin_strcmp): Always emit the libcall here on failure.
5769 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5771 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5772 * flow.c (reg_n_info): Change the type to
5773 VEC(reg_info_p,heap) *.
5774 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5776 * regs.h (reg_info_p): New.
5777 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5778 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5779 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5782 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5784 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5786 * params.h (MAX_SCHED_READY_INSNS): New macro.
5787 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5788 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5789 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5790 the ready list for 1 cycle during the first scheduling pass.
5791 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5793 2006-04-13 Richard Henderson <rth@redhat.com>
5796 * gimple-low.c (lower_omp_directive): Remove dead code.
5797 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5798 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5799 * omp-low.c (struct omp_region): Move to tree-flow.h.
5800 (root_omp_region): Export.
5801 (omp_regions, lookup_omp_region): Remove.
5802 (determine_parallel_type): Update for struct omp_region changes.
5803 (dump_omp_region): Dump regions with block numbers.
5804 (new_omp_region): Take type and block instead of stmt; malloc
5806 (free_omp_region_1, free_omp_regions): New.
5807 (expand_parallel_call): Take entry_stmt as argument; update for
5808 changes to omp_region.
5809 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5810 (remove_exit_barriers): New.
5811 (expand_omp_parallel): Update for struct omp_region changes.
5812 (expand_omp_synch): Likewise.
5813 (expand_omp): Likewise.
5814 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5815 (expand_omp_for_static_chunk): Likewise.
5816 (expand_omp_for): Likewise.
5817 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5818 (expand_omp_sections): Similarly, with GOMP_sections_end.
5819 (expand_omp_single): New.
5820 (build_omp_regions_1): Update for OMP_CONTINUE.
5821 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5822 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5823 OMP_SECTIONS_SECTIONS.
5824 (lower_omp_single_simple): Don't emit barrier here.
5825 (lower_omp_single_copy): Likewise.
5826 (lower_omp_single): Fix bindings, and lower to straightline now.
5827 (lower_omp_master, lower_omp_ordered): Likewise.
5828 (lower_omp_critical): Likewise.
5829 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5830 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5831 omp edges, free it afterward.
5832 (make_omp_sections_edges): Remove.
5833 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5834 (move_stmt_r): Handle OMP_CONTINUE.
5835 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5836 statement pointers to basic blocks. Add type member.
5837 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5838 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5839 * tree-inline.c (estimate_num_insns_1): Likewise.
5840 * tree-pretty-print.c (dump_generic_node): Likewise.
5841 * tree-ssa-operands.c (get_expr_operands): Likewise.
5842 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5843 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5844 (OMP_CONTINUE): New.
5845 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5846 (OMP_SECTIONS_SECTIONS): Remove.
5847 (OMP_SECTION_LAST): New.
5848 (OMP_RETURN_NOWAIT): New.
5850 2006-04-13 Roger Sayle <roger@eyesopen.com>
5852 * fold-const.c (native_encode_vector, native_interpret_real):
5853 Correct obvious mistakes in the previous check-in.
5855 2006-04-13 Roger Sayle <roger@eyesopen.com>
5857 * fold-const.c (native_encode_expr): New function to encode
5858 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5859 or VECTOR_CST into a specified buffer.
5860 (native_encode_int): New function.
5861 (native_encode_real): New function.
5862 (native_encode_complex): New function.
5863 (native_encode_vector): New function.
5864 (native_interpret_expr): Inverse of native_encode_expr to convert
5865 a target representation into an INTEGER_CST, REAL_CST etc...
5866 (native_interpret_int): New function.
5867 (native_interpret_real): New function.
5868 (native_interpret_complex): New function.
5869 (native_interpret_vector): New function.
5870 (fold_view_convert_expr): New function to constant fold/evaluate
5871 a VIEW_CONVERT_EXPR of a suitable constant expression.
5872 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5873 Change call of build1 to fold_build1 when constructing a
5876 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5877 Ulrich Weigand <uweigand@de.ibm.com>
5880 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5883 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5886 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5887 optimize to lo_sum for DFmode if !TARGET_FPRS.
5889 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5891 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5892 delete_alias_info, compute_flow_sensitive_aliasing,
5893 group_aliases): Use VEC instead of VARRAY.
5894 * tree-ssa-structalias.c (update_alias_info): Likewise.
5895 * tree-ssa-structalias.h (alias_info): Change the type of
5896 processed_ptrs to VEC(tree,heap) *.
5898 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5901 * config/sh/lib1funcs.h: New file, broken out of:
5902 * config/sh/lib1funcs.asm.
5903 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5905 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5906 * config/sh/lib1funcs-Os-4-200.asm: New file.
5907 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5908 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5909 (EXTRA_MULTILIB_PARTS): Include it.
5910 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5911 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5912 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5913 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5916 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5918 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5919 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5920 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5922 * tree-ssa-live.h: Include vecprim.h.
5923 (tree_partition_associator_d): Change the type of
5924 first_partition to VEC(int,heap) *.
5925 (tpa_first_partition): Use VEC instead of VARRAY.
5927 * Makefile.in (GTFILES): Move functions.h after tree.h.
5928 * function.c (reset_block_changes, record_block_change,
5929 check_block_change, free_block_changes): Use VEC instead of
5931 * function.h (function): Change the type of
5932 ib_boundaries_block to VEC(tree,gc) *.
5933 * tree-inline.c (copy_cfg_body): Initialize
5934 ib_boundaries_block to NULL instead of (varray_type) 0.
5936 2006-04-12 Roger Sayle <roger@eyesopen.com>
5938 * expr.c (emit_group_store): Correct operand order in call to
5939 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5940 a SUBREG_BYTE of zero.
5942 2006-04-12 Richard Guenther <rguenther@suse.de>
5944 * profile.c (compute_branch_probabilities): Remove code
5945 encapsulated in !ir_type (), which are remanents of the
5946 removed RTL profiling code.
5947 * rtl-profile.c: Remove.
5949 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5951 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5952 magic NULL_RTX comment.
5953 (function_arg): Store entire fp arg to mem if any part should go
5955 (rs6000_arg_partial_bytes): Adjust for above change.
5957 2006-04-11 Roger Sayle <roger@eyesopen.com>
5959 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5960 if it hasn't been initialized by dwarf2out_init.
5962 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5964 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5965 symbolic constants in branch patterns.
5967 2006-04-11 Roger Sayle <roger@eyesopen.com>
5969 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5971 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5973 PR rtl-optimization/27073
5974 * gcse.c (try_replace_reg): Revert last change. Continue to search
5975 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5978 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5980 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5981 aggregate types other than record and union types.
5982 (function_arg): Likewise.
5983 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5985 (function_value): In 64-bit mode, return objects that require it
5988 2006-04-11 Roger Sayle <roger@eyesopen.com>
5990 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5992 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5994 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5996 2006-04-03 Jeff Law <law@redhat.com>
5999 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6000 alias information too.
6002 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6004 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6006 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6009 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6010 (premark_used_types_helper): New.
6011 (premark_used_types): New.
6012 (gen_subprogram_die): Call premark_used_types.
6013 (prune_unused_types_walk): Do not prune perennial dies.
6014 * function.c (used_types_insert): New.
6015 * function.h (struct function): Add used_types_hash field.
6016 (used_types_insert): Add prototype.
6017 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6018 * c-parser.c (c_parser_cast_expression): Save casted types in used
6021 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6024 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6025 rs6000_explicit_options.float_gprs.
6027 2006-04-10 Roger Sayle <roger@eyesopen.com>
6029 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6030 from ix86_expand_vector_init_low_nonzero. Take an additional
6031 one_var argument indicating which element is non-zero. Support
6032 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6033 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6034 with one_var instead of ix86_expand_vector_init_low_nonzero.
6036 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6038 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6039 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6040 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6041 build/genextract.o): Depend on vecprim.h.
6042 * cfglayout.c, df-problems.c, function.c, genextract.c,
6043 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6044 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6048 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6050 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6051 Declare VECs of this type.
6052 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6053 (remove_children): Delete.
6054 (add_dwarf_attr): Use VEC routines.
6055 (add_AT_flag): Update for changes to add_dwarf_attr.
6056 (add_AT_int): Likewise.
6057 (add_AT_unsigned): Likewise.
6058 (add_AT_long_long): Likewise.
6059 (add_AT_vec): Likewise.
6060 (add_AT_string): Likewise.
6061 (add_AT_die_ref): Likewise.
6062 (add_AT_fde_ref): Likewise.
6063 (add_AT_loc): Likewise.
6064 (add_AT_loc_list): Likewise.
6065 (add_AT_addr): Likewise.
6066 (add_AT_lbl_id): Likewise.
6067 (add_AT_lineptr): Likewise.
6068 (add_AT_macptr): Likewise.
6069 (add_AT_offset): Likewise.
6070 (add_AT_range_list): Likewise.
6071 (get_AT): Use VEC_iterate.
6072 (remove_AT): Use VEC_ordered_remove.
6073 (free_die): Fold remove_children into here; have it use VEC_iterate.
6074 (print_die): Use VEC_iterate on attrs.
6075 (reverse_die_lists): Don't reverse attr lists.
6076 (die_checksum): Use VEC_iterate on attrs.
6077 (same_die_p): Likewise.
6078 (output_location_lists): Likewise.
6079 (build_abbrev_table): Likewise.
6080 (size_of_die): Likewise.
6081 (unmark_all_dies): Likewise.
6082 (output_abbrev_section): Likewise.
6083 (output_die): Likewise.
6084 (prune_unused_types_walk_attribs): Likewise.
6086 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6088 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6090 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6093 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6095 2006-04-09 Roger Sayle <roger@eyesopen.com>
6097 * expr.c (store_constructor): Don't bother clearing target if
6098 we're about to assign a vector to it using vec_init_optab.
6100 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6102 * tree-ssa-alias.c (lhs_may_store_to): New function.
6103 (recalculate_used_alone): Handle LHS of calls.
6105 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6109 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6110 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6111 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6112 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6113 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6114 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6115 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6116 stubs. Add ".align 8" directives before all ".dword" directives.
6117 (GTHREAD_USE_WEAK): Revise comment.
6118 (TARGET_ATTRIBUTE_WEAK): Define.
6119 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6120 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6121 * stublib.c: New file.
6126 * pa.md (cbranch patterns): Revise arguments used in calls to
6127 output_cbranch, output_bb and output_bvd. Add long branch length
6129 (fbranch patterns): Handle long branches.
6130 (jump): Revise length check. Revise arguments for output_lbranch call.
6131 Add long branch length attributes.
6132 (decrement_and_branch_until_zero): Add long branch length attributes.
6133 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6134 Likewise. Revise arguments for output_parallel_addb and
6135 output_parallel_movb calls.
6136 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6137 output_parallel_movb and output_parallel_addb): Update prototypes.
6138 * pa.c (output_cbranch): Revise arguments. Correct handling of
6139 nullification in long branches.
6140 (output_lbranch): Add new argument to control extraction of delay
6142 (output_bb): Handle long branches.
6143 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6144 output_parallel_addb): Likewise.
6146 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6148 PR rtl-optimization/27073
6149 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6152 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6154 * tree.h (tree_memory_tag): Add old_used_alone.
6155 (SMT_OLD_USED_ALONE): New macro.
6156 * tree-ssa-alias.c (recalculate_used_alone): Stop
6157 marking things for renaming unnecessarily.
6159 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6161 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6162 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6163 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6164 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6165 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6166 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6167 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6168 spelling convensions.
6169 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6170 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6171 typos. Follow spelling conventions.
6173 2006-04-07 DJ Delorie <dj@redhat.com>
6175 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6176 passed on the stack.
6177 (m32c_init_cumulative_args): When a function returns a structure,
6178 always pass the pointer to that return area on the stack.
6179 (m32c_function_arg_advance): Don't increment the parameter number
6180 if we're processing the returned structure pointer.
6181 (pushm_info): Reverse order of registers.
6183 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6185 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6186 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6187 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6188 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6190 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6191 chrec_fold_multiply): Same.
6192 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6193 force_expr_to_var_cost): Same.
6194 * tree-mudflap.c (mf_xform_derefs_1): Same.
6195 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6197 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6199 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6200 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6203 2006-04-07 Jan Hubicka <jh@suse.cz>
6205 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6207 2006-04-07 Richard Guenther <rguenther@suse.de>
6209 PR tree-optimization/26135
6210 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6211 loads for store copy-prop.
6212 (copy_prop_visit_stmt): Likewise.
6214 2006-04-05 Robert Millan <robertmh@gnu.org>
6216 * config/i386/linux.h: Add a comment to mark macros that are
6217 being overriden in config/k*bsd-gnu.h.
6218 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6220 * config/knetbsd-gnu.h: Ditto.
6222 2006-04-06 Jan Hubicka <jh@suse.cz>
6226 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6229 2006-04-06 Mike Stump <mrs@apple.com>
6231 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6232 for HAVE_nonlocal_goto to be consistent.
6233 (expand_builtin_nonlocal_goto): Likewise.
6234 (expand_builtin_strcmp): Use #ifdef instead of #if
6235 for HAVE_cmpstrnsi to be consistent.
6237 2006-04-05 DJ Delorie <dj@redhat.com>
6239 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6242 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6244 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6245 got-relative addressing for anything but SImode.
6247 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6248 even if the calling function doesn't modify them.
6250 2006-04-05 Richard Guenther <rguenther@suse.de>
6252 PR tree-optimization/26919
6253 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6254 to cgraph_estimate_size_after_inlining.
6256 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6258 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6260 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6262 PR tree-optimization/26996
6263 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6264 VECTOR_TYPE variables.
6266 2006-04-05 Richard Guenther <rguenther@suse.de>
6268 PR tree-optimization/26763
6269 * fold-const.c (fold_comparison): Move folding of
6270 PTR + CST CMP PTR + CST ...
6271 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6273 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6275 * doc/install.texi (Prerequisites): Refine some wording on
6276 bootstrapping and ksh.
6277 Move the version numbers of DejaGnu here from the testing section
6278 and fix casing of names.
6279 Fix markup and clarify wording for autogen requirements.
6280 Refer to GCJ instead of just java.
6281 Refer to SVN instead of CVS.
6282 Describe diffutils as useful instead of necessary.
6283 (Downloading the source): Refer to SVN instead of CVS.
6284 Adjust a link to our web site accordingly.
6285 (Configuration): Fix casing of Bison.
6286 (Building): Refer to SVN instead of CVS.
6287 Fix a sentence on the use of Bison and remove duplicate (and
6288 incorrect) version number of Bison requirement.
6289 Remove one redundant list of packages needed for building.
6290 (Specific): Avoid reference to CVS.
6292 2006-04-04 Eric Christopher <echristo@apple.com>
6294 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6295 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6296 (rs6000_handle_struct_attribute): New.
6297 (rs6000_ms_bitfield_layout_p): Ditto.
6299 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6301 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6302 NULL for dso parameter to atexit_common.
6304 2006-04-04 Eric Christopher <echristo@apple.com>
6306 * config/i386/i386.c (machopic_output_stub): Output \t
6307 between instructions and operands.
6309 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6311 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6312 satisfies_constraint_[IL] to explicit tests on value.
6314 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6316 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6317 set_nb_iterations_in_loop): Use build_int_cst instead of
6319 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6320 build_int_cst instead of convert.
6322 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6324 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6325 new value 2 for incoming.
6326 * function.c (expand_function_start): Call struct_value_rtx
6328 * config/sparc/sparc.md: Comment updated_return.
6329 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6330 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6331 struct return if sparc_std_struct_return and incoming is 2.
6332 (print_operand): Do not adjust return if
6333 sparc_std_struct_return.
6335 2006-04-04 Roger Sayle <roger@eyesopen.com>
6337 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6338 convert in the middle-end.
6339 * expr.c (store_expr, store_constructor, get_inner_reference,
6340 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6342 * tree.c (build_range_type): Likewise.
6344 2006-04-04 Tom Tromey <tromey@redhat.com>
6346 * doc/install.texi (Prerequisites): Mention jar.
6348 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6350 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6353 2006-04-04 Matthias Klose <doko@debian.org>
6355 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6356 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6359 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6361 * doc/extend.texi (Function Attributes): Rewrite visibility
6362 attribute documentation.
6363 * doc/invoke.texi (C++ Dialect Options): Rewrite
6364 -fvisibility-inlines-hidden documentation to describe something
6365 entirely different, although in practise compatible.
6366 (Code Gen Options): Warn about system headers in -fvisibility=
6369 * doc/extend.texi (Other Builtins): Document that
6370 __builtin_nan is a compile-time constant only when its argument
6373 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6375 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6376 trying to remove TRUNCATE check if all bits outside the new mode
6377 are identical to the sign bit.
6379 2006-04-03 Jeff Law <law@redhat.com>
6381 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6382 and operand scanning in some common cases.
6384 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6385 Dale Johannesen <dalej@apple.com>
6388 * regclass.c (struct reg_pref): Update documentation.
6389 (regclass): Set prefclass to NO_REGS if memory is the best option.
6390 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6391 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6392 into account. For non-registers, equate an empty preferred
6393 reload class to a `!' in the constraint; move the if clause to
6394 do so after those that reject the insn.
6395 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6397 (find_dummy_reload): Likewise.
6398 * doc/tm.texi (Register Classes): Document what it means
6399 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6400 * config/i386/i386.c (ix86_preferred_reload_class): Force
6401 using SSE registers (and return NO_REGS for floating-point
6402 constants) if math is done with SSE.
6403 (ix86_preferred_output_reload_class): New.
6404 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6405 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6406 * config/i386/i386.md: Remove # register preferences.
6408 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6411 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6412 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6413 the type of nb_iter.
6414 (instantiate_parameters_1): Convert the operands before calling
6415 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6416 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6418 2006-04-02 Roger Sayle <roger@eyesopen.com>
6420 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6421 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6423 * dojump.c (do_jump): Likewise.
6424 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6425 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6426 gimplify_boolean_expr): Likewise.
6427 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6428 * varasm.c (array_size_for_constructor): Likewise.
6429 * tree-object-size.c (compute_object_offset): Likewise.
6431 2006-04-02 Roger Sayle <roger@eyesopen.com>
6434 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6435 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6437 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6439 PR tree-optimization/26939
6440 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6442 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6444 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6445 at_stmt. Convert the type of operands before calling
6446 build_polynomial_chrec.
6447 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6449 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6450 (instantiate_parameters_1): Convert the type of operands before calling
6451 build_polynomial_chrec.
6452 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6453 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6454 reset_evolution_in_loop): Insert asserts to check the types of the
6456 (chrec_type): Moved...
6457 (eq_evolutions_p): Use operand_equal_p.
6458 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6459 the types of the operands.
6460 (chrec_type): ...here.
6461 * tree-data-ref.c (create_data_ref): Convert the operands before
6462 calling chrec_replace_initial_condition.
6463 (same_access_functions, analyze_subscript_affine_affine,
6464 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6465 (compute_subscript_distance, analyze_ziv_subscript,
6466 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6467 analyze_miv_subscript): Convert the operands before calling
6468 chrec_fold_minus or chrec_fold_plus.
6470 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6472 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6473 the dependence_relations vector.
6474 (compute_data_dependences_for_loop): Adjust call to
6475 compute_all_dependences.
6477 2006-04-01 Roger Sayle <roger@eyesopen.com>
6478 Richard Henderson <rth@redhat.com>
6480 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6481 gimple_boolify on the condition before calling gimplify_expr.
6483 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6485 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6486 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6487 the frame size. Update to use the new macros.
6488 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6489 * config/xtensa/ieee754-df.S: Likewise.
6491 2006-03-31 Richard Henderson <rth@redhat.com>
6493 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6494 (make_edges): ... here. Control fallthru creation with a local
6495 variable. Do not play with fake edges.
6496 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6497 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6500 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6502 * dwarf2.h (DW64_CIE_ID): Define.
6503 * dwarf2out.c (DWARF_CIE_ID): Define.
6504 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6505 length header. Use DWARF_CIE_ID.
6506 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6507 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6509 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6511 * config/sh/linux-atomic.asm: New file.
6512 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6514 2006-03-31 DJ Delorie <dj@redhat.com>
6516 * config/m32c/cond.md: Set condition flags properly throughout.
6517 * config/m32c/minmax.md: Likewise.
6518 * config/m32c/prologue.md: Likewise.
6519 * config/m32c/bitops.md: Likewise.
6520 * config/m32c/muldiv.md: Likewise.
6521 * config/m32c/mov.md: Likewise.
6522 * config/m32c/addsub.md: Likewise.
6523 * config/m32c/m32c.md: Likewise.
6524 * config/m32c/jump.md: Likewise.
6525 * config/m32c/shift.md: Likewise.
6527 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6528 conditionally output the pattern for this.
6529 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6530 (m32c_compare_redundant): New.
6531 (m32c_output_compare): New.
6532 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6534 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6535 dest, not src. Allow other 4-byte modes.
6537 2006-03-30 Denis Chertykov <denisc@overta.ru>
6539 * doc/md.texi: Refer to avr/constraints.md instead of
6542 2006-03-30 Roger Sayle <roger@eyesopen.com>
6544 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6545 signed vs. unsigned comparison failures on some hosts.
6547 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6550 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6551 change to FLOAT_REGS.
6553 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6554 (rs6000_override_options): Use it.
6555 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6556 only for -mabi=spe/no-spe and -mabi=altivec.
6558 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6560 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6563 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6565 * Makefile.in: Rename docdir to gcc_docdir.
6567 2006-03-30 Roger Sayle <roger@eyesopen.com>
6570 * expr.c (emit_group_store): Optimize group stores into a pseudo
6571 register by using a paradoxical subreg to initialize the destination
6572 if the first or last member of the group specifies a "low part".
6574 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6577 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6578 * target.h (struct gcc_target.speculate_insn): Change type of the
6579 second parameter to 'int'.
6580 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6581 the second operand of the DEPS_LIST.
6582 (copy_DEPS_LIST_list): Update reference to the second operand of the
6584 * rtl.h (alloc_DEPS_LIST): Update signature.
6585 * sched-int.h (ds_t): Change typedef to 'int'.
6586 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6588 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6590 * haifa-sched.c (try_ready): Change condition to restore
6591 non-speculative pattern of the instruction.
6592 (process_insn_depend_be_in_spec): Code to keep probability of the
6593 speculative dependence non-decreasing.
6595 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6597 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6598 (single_move_for_movmem): ... this. Also change all uses.
6599 (bfin_expand_strmov): Renamed to...
6600 (bfin_expand_movmem): ... this. Also change all uses.
6601 * config/bfin/bfin.md (movstrsi): Renamed to...
6602 (movstrsi): ...this.
6604 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6606 PR tree-optimization/26830
6608 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6609 (copy_prop_visit_stmt): Remove write-only variable ann.
6610 (init_copy_prop): Check variable loop depth here. Do not simulate
6611 memory-tag and virtual operand PHIs except for store copy prop.
6613 2006-03-30 Richard Guenther <rguenther@suse.de>
6615 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6616 variants with double arguments.
6618 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6620 * genpreds.c (write_tm_constrs_h): Delete variable p.
6621 * genconditions.c (write_header): Add tm-constrs.h to included
6623 * genpeep.c (main): Add toplev.h to included headers.
6624 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6625 (build/genpeep.o): Add toplev.h dependency.
6626 * config/rs6000/constraints.md: Add "W" constraint.
6628 2006-03-29 Roger Sayle <roger@eyesopen.com>
6630 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6631 sizes by correctly testing whether the size fits a host integer.
6632 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6633 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6634 SImode range for the default sizetype and bitsizetype.
6636 2006-03-29 Roger Sayle <roger@eyesopen.com>
6638 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6639 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6640 quickly if the argument is already of the correct type.
6641 Call fold_build1 instead of build1. Tidy up blank lines.
6643 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6645 * genemit.c (main): Add tm-constrs.h to included headers.
6646 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6647 * genpeep.c (main): Add tm-constrs.h to included headers.
6648 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6649 (write_tm_constrs_h): this and write complete file.
6650 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6651 (write_insn_preds_c): Add tm-constrs.h to included headers.
6652 (gen_constrs): New variable.
6653 (parse_option): Parse "-c".
6654 (main): Invoke write_tm_constrs_h.
6655 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6656 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6657 (object_out_file): Add tm-constrs.h dependency.
6658 (insn-emit.o): Same.
6659 (insn-output.o): Same.
6660 (insn-peep.o): Same.
6661 (insn-preds.o): Same.
6662 (insn-recog.o): Same.
6663 (tm-constsr.h): New target.
6664 (s-constrs-h): New target.
6666 * config/rs6000/constraints.md: New file.
6667 * config/rs6000/rs6000.c: Include tm-constrs.h.
6668 (num_insn_constant_wide): Convert to satisfies_constraint.
6669 (rs6000_rtx_costs): Convert to satisfies_constraint.
6670 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6671 (CONST_OK_FOR_LETTER_P): Delete.
6672 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6673 (EXTRA_CONSTRAINT): Delete.
6674 (EXTRA_MEMORY_CONSTRAINT): Delete.
6675 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6676 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6677 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6678 satisfies_constraint.
6680 * config/i386/i386.c: Include tm-constrs.h.
6682 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6684 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6685 * tree-data-ref.c (find_data_references_in_loop,
6686 compute_data_dependences_for_loop): Use pointers to VEC.
6687 (analyze_all_data_dependences): Adjust calls.
6688 * tree-data-ref.h (find_data_references_in_loop,
6689 compute_data_dependences_for_loop): Adjust declarations.
6690 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6691 compute_data_dependences_for_loop.
6693 2006-03-29 Paul Brook <paul@codesourcery.com>
6695 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6698 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6700 PR tree-optimization/26859
6701 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6703 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6704 for the step after fold_convert.
6706 2006-03-29 Paul Brook <paul@codesourcery.com>
6708 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6709 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6711 2006-03-29 Paul Brook <paul@codesourcery.com>
6714 * targhooks.c (default_narrow_bitfield): New fuction.
6715 * targhooks.h (default_narrow_bitfield): add prototype.
6716 * target.h (gcc_target): Add narrow_volatile_bitfield.
6717 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6718 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6719 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6720 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6722 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6724 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6726 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6727 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6728 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6729 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6730 (s390_function_arg_float): Allow SDmode and DDmode values to be
6731 passed in floating point registers.
6732 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6733 check with SCALAR_FLOAT_MODE_P.
6734 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6736 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6738 PR tree-optimization/25985
6739 * tree-ssa-loop-niter.c (number_of_iterations_le,
6740 number_of_iterations_ne): Make comments more precise.
6741 (number_of_iterations_cond): Add only_exit argument. Use the
6742 fact that signed variables do not overflow only when only_exit
6744 (loop_only_exit_p): New.
6745 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6746 number_of_iterations_cond.
6748 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6750 PR tree-optimization/26643
6751 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6754 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6756 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6757 (divsi3_i4_int): Likewise.
6759 2006-03-28 Roger Sayle <roger@eyesopen.com>
6761 * expr.c (emit_group_store): Only create a new pseudo reg if the
6762 quantity it needs to hold isn't already a suitable pseudo.
6764 2006-03-28 Jeff Law <law@redhat.com>
6766 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6767 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6769 2006-03-28 Roger Sayle <roger@eyesopen.com>
6771 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6772 the equivalent ~X & Y, and the symmetry related transformations.
6773 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6774 ~X & Y, and symmetry related transforms.
6776 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6778 Revert my 2006-03-27 patches.
6780 2006-03-28 Roger Sayle <roger@eyesopen.com>
6782 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6783 ~(T1)X, when T1 and T2 are integer types of the same precision
6784 and (T2)X isn't an extension.
6786 2006-03-28 Jeff Law <law@redhat.com>
6788 PR tree-optimization/26796
6789 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6790 need EH edge cleanups rather than purging them immediately.
6791 (eliminate_degenerate_phis): Handle queued EH cleanups.
6793 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6795 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6798 2006-03-27 Roger Sayle <roger@eyesopen.com>
6801 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6802 cast BIT_NOT_EXPR operand to the correct type.
6804 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6806 * tree-loop-linear.c: Don't include varray.h.
6807 (gather_interchange_stats, try_interchange_loops,
6808 linear_transform_loops): Use VEC instead of VARRAY.
6809 * lambda-mat.c: Don't include varray.h.
6810 * tree-chrec.c: Same.
6811 * lambda-trans.c: Same.
6812 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6813 VEC instead of VARRAY.
6814 * tree-vectorizer.h: Idem.
6815 * tree-data-ref.c (dump_data_references,
6816 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6817 initialize_data_dependence_relation, finalize_ddr_dependent,
6818 compute_all_dependences, find_data_references_in_loop,
6819 compute_data_dependences_for_loop, analyze_all_data_dependences,
6820 free_dependence_relation, free_dependence_relations,
6821 free_data_refs): Idem.
6822 * tree-data-ref.h (data_reference_p, subscript_p): New.
6823 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6824 VEC instead of VARRAY.
6825 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6826 (find_data_references_in_loop, compute_data_dependences_for_loop,
6827 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6828 dump_data_dependence_relations, free_dependence_relations,
6829 free_data_refs): Adjust declaration.
6830 (lambda_transform_legal_p): Move declaration here...
6831 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6832 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6833 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6834 vect_analyze_data_refs): Use VEC instead of VARRAY.
6835 * lambda.h (lambda_transform_legal_p): ...from here.
6836 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6837 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6838 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6839 tree-chrec.o): Don't depend on VARRAY_H.
6841 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6843 * rtl.def (Copyright): Update date.
6844 (DEPS_LIST): Change type of the second operand to 'int'.
6845 * target.h (Copyright): Update date.
6846 (struct gcc_target.speculate_insn): Change type of the second parameter
6848 * lists.c (Copyright): Update date.
6849 (alloc_DEPS_LIST): Change signature. Update reference to the second
6850 operand of the DEPS_LIST.
6851 (copy_DEPS_LIST_list): Update reference to the second operand of the
6853 * rtl.h (Copyright): Update date.
6854 (alloc_DEPS_LIST): Update signature.
6855 * sched-int.h (Copyright): Update date.
6856 (ds_t): Change typedef to 'int'.
6857 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6859 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6861 * haifa-sched.c (Copyright): Update date.
6862 (try_ready): Change condition to restore non-speculative pattern
6864 (process_insn_depend_be_in_spec): Code to keep probability of the
6865 speculative dependence non-decreasing.
6867 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6869 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6870 shut up the compiler.
6872 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6874 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6875 to use lib prefix for target.
6876 ($(T)libic_invalidate_array_4-200.a): Likewise.
6877 ($(T)libic_invalidate_array_4a.a): Likewise.
6879 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6880 J"orn Rennecke <joern.rennecke@st.com>
6882 * superh.opt: New file.
6883 * sh.c (boardtype, osruntime): Remove.
6884 * superh.h (SUBTARGET_OPTIONS): Remove.
6885 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6887 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6888 arguments with ^ and/or [].
6890 * config.gcc (sh-*-*): Add quoting to account for quirk of
6892 Replace == with = in enable_incomplete_targets test.
6894 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6895 with MASK_LITTLE_ENDIAN.
6897 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6898 * config/sh/sh.opt: Added to some comments.
6899 * config/sh/superh.h: Removed some chaff.
6901 * config/sh/sh.opt: Add m4-[1234]00* options.
6902 * config/sh/sh.c (sh_handle_option): Likewise.
6903 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6904 (ic_invalidate_array_4-100.o): New rule.
6905 ($(T)libic_invalidate_array_4-100.a): Likewise.
6906 (ic_invalidate_array_4-200.o): Likewise.
6907 ($(T)libic_invalidate_array_4-200.a): Likewise.
6908 (ic_invalidate_array_4a.o): Likewise.
6909 ($(T)libic_invalidate_array_4a.a): Likewise.
6910 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6911 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6913 * config/sh/crt1.asm: Merged in profiling code.
6914 * config/sh/superh.h (STARTFILE_SPEC): Override.
6915 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6916 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6917 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6919 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6920 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6921 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6923 * sh.opt (mpretend-cmove): New option.
6924 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6925 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6926 (movsicc): Add TARGET_PRETEND_CMOVE code.
6928 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6930 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6931 s390_class_max_nregs): New function prototypes.
6932 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6933 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6934 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6935 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6937 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6939 * dwarf2out.c (add_location_or_const_value_attribute): Call
6940 tree_add_const_value_attribute if nothing else works.
6941 (reference_to_unused): New.
6942 (rtl_for_decl_init): Use reference_to_unused to decide whether
6943 to output an initializer.
6945 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6948 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6949 peephole removing spe frob_di_df_2.
6951 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6953 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6954 (subscript_dependence_tester_1): Declared.
6955 (print_dir_vectors, print_dist_vectors): New.
6956 (debug_data_dependence_relation): New.
6957 (dump_data_dependence_relation): Print more details.
6958 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6959 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6960 (save_dist_v, save_dir_v, add_outer_distances,
6961 build_classic_dist_vector_1): New.
6962 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6963 Don't test for lambda_vector_lexico_pos.
6964 (same_access_functions, add_multivariate_self_dist,
6965 add_other_self_distances, dir_from_dist): New.
6966 (build_classic_dir_vector): Replace implementation almost identical to
6967 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6969 (subscript_dependence_tester_1): New.
6970 (subscript_dependence_tester): Handle the lexicographically negative
6971 distance vectors by recomputing the dependence relation.
6972 (compute_affine_dependence): Remove parameter loop_nest_depth.
6973 (compute_self_dependence): Don't call compute_subscript_distance.
6974 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6975 Add a parameter for the loop_nest.
6976 (find_loop_nest_1, find_loop_nest): New.
6977 (compute_data_dependences_for_loop): Compute the loop nest, and give
6978 up if the nest is not well formed.
6979 * tree-data-ref.h (loop_p): New.
6980 (struct data_dependence_relation): Replace size_vect field with
6981 loop_nest, a vec of loops.
6982 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6983 (DDR_LOOP_NEST): New.
6984 (print_dir_vectors, print_dist_vectors,
6985 debug_data_dependence_relation): Declared.
6986 (index_in_loop_nest): New.
6987 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6988 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6991 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6993 * simplify-rtx.c (simplify_relational_operation): Call
6994 simplify_relational_operation_1 even if mode is VOIDmode.
6996 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6998 PR tree-optimization/26804
6999 * tree.h (DECL_CALL_CLOBBERED): New macro.
7000 (tree_decl_common): Add call_clobbered_flag.
7001 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7002 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7003 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7004 (mark_non_addressable): Ditto.
7005 * tree-ssa.c (verify_call_clobbered): New function.
7006 (verify_alias_info): Use it.
7007 * tree-pass.h (pass_reset_cc_flags): New prototype.
7008 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7009 (reset_cc_flags): New function.
7010 * passes.c (init_optimization_passes): Call reset_cc_flags after
7011 initializing referenced_vars.
7013 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7014 Roger Sayle <roger@eyesopen.com>
7017 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7018 to 1.0 for non-real operands. Implement A / A optimization for
7021 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7023 * config/i386/i386.c (size_cost): Correct the comment for
7024 cost of storing fp registers.
7025 (i386_cost): Likewise.
7026 (i486_cost): Likewise.
7027 (pentium_cost): Likewise.
7028 (pentiumpro_cost): Likewise.
7029 (k6_cost): Likewise.
7030 (athlon_cost): Likewise.
7031 (k8_cost): Likewise.
7032 (pentium4_cost): Likewise.
7033 (nocona_cost): Likewise.
7034 (generic64_cost): Likewise.
7035 (generic32_cost): Likewise.
7037 2006-03-24 Denis Chertykov <denisc@overta.ru>
7039 * config/avr/avr-protos.h (extra_constraint): Delete.
7040 (extra_constraint_Q): New declaration.
7041 * config/avr/constraints.md: New file.
7042 * config/avr/avr.md: Include it.
7043 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7044 (TMP_REGNO, ZERO_REGNO): Likewise.
7045 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7046 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7047 (extra_constraint): Delete.
7048 (extra_constraint_Q): Test for memory constraint 'Q'.
7049 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7050 (REG_CLASS_FROM_LETTER): Delete.
7051 (CONST_OK_FOR_LETTER_P): Delete.
7052 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7053 (EXTRA_CONSTRAINT): Delete.
7054 (TMP_REGNO): Delete.
7055 (ZERO_REGNO): Delete.
7057 2006-03-24 Jeff Law <law@redhat.com>
7059 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7060 directly. Call mark_new_vars_to_rename slightly earlier.
7062 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7064 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7066 (gen_compile_unit_die): Use new language types for Objective-C and
7068 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7069 DW_LANG_C_plus_plus.
7072 * config/t-darwin (crt3.o): Work around bug 26840.
7073 * config/darwin-crt3.c: Rewrite.
7074 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7076 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7078 * doc/invoke.texi: Document -femit-class-debug-always
7079 * common.opt: Add -femit-class-debug-always.
7081 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7083 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7084 index and base register.
7085 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7086 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7087 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7088 REGNO_OK_FOR_INDEX_P.
7089 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7091 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7092 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7093 REG_OK_FOR_BASE_P): Definitions removed.
7095 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7098 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7099 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7100 set yet or weren't marked as local yet.
7102 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7104 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7107 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7109 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7110 (rs6000_legitimate_small_data_p): Delete.
7111 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7112 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7113 and make static. Add forward declaration. Update uses.
7114 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7115 of offsettable_memref_p.
7116 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7117 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7119 2006-03-24 Jeff Law <law@redhat.com>
7121 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7122 around bug in immediate-use iterator.
7124 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7127 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7128 or __LITTLE_ENDIAN__.
7130 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7132 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7133 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7134 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7135 * config/sh/sh.opt (mdiv=): Amend description.
7136 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7137 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7138 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7139 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7140 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7141 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7142 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7143 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7144 TARGET_DIVIDE_CALL_FP.
7146 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7148 * haifa-sched.c (choose_ready): Fix type of the local variable.
7149 Move local variables. Add comment.
7150 (check_reg_live): Change signature. Make callable from debugger.
7151 * sched-int.h (check_reg_live): Update signature.
7152 * sched-ebb.c (check_reg_live): Update parameters.
7153 * sched-rgn.c (check_reg_live): Ditto.
7154 (region_head_or_leaf_p): Check pointer before dereferencing.
7155 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7156 before reload on optimization levels below 1.
7158 2006-03-23 Richard Henderson <rth@redhat.com>
7160 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7164 * config/alpha/predicates.md (local_symbolic_operand): Reject
7167 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7170 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7171 expressions which have overflowed constants.
7173 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7175 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7177 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7179 * cfgloopmanip.c (create_loop_notes): Removed.
7180 * final.c (final_scan_insn): Do not handle loop notes.
7181 * jump.c (squeeze_notes): Ditto.
7182 * cfglayout.c (skip_insns_after_block,
7183 duplicate_insn_chain): Ditto.
7184 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7186 * cfgloop.h (create_loop_notes): Declaration removed.
7188 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7190 * varasm.c (output_constant_pool): Restore fnname and fndecl
7192 (assemble_start_function): Adjust call accordingly.
7193 (assemble_end_function): Likewise.
7195 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7198 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7201 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7203 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7206 * system.h (ICE_EXIT_CODE): New macro.
7207 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7208 (diagnostic_action_after_output): Likewise.
7209 * gcc.c (fatal_ice): New function.
7210 (execute): Use it instead of fatal.
7211 (fancy_abort): Likewise.
7212 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7214 2006-03-22 Jeff Law <law@redhat.com>
7216 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7217 iv_analyze_result returning false.
7219 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7221 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7223 2006-03-22 Richard Henderson <rth@redhat.com>
7226 * except.c (duplicate_eh_regions_0): New.
7227 (duplicate_eh_region_1): Duplicate the children of the node as
7228 well as the node itself. Link them up properly.
7229 (duplicate_eh_region_2): Merge into ...
7230 (duplicate_eh_regions): ... here. Take copy_region argument, and
7231 copy only a sub-tree if asked. Simplify copying and fixup.
7232 (eh_region_outer_p): New.
7233 * except.h (duplicate_eh_regions): Update decl.
7234 (eh_region_outer_p): Declare.
7235 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7236 (lower_omp_master): Likewise.
7237 (lower_omp_ordered): Likewise.
7238 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7239 (move_stmt_r): Use it to remap labels. Handle recursion vs
7240 remap_decls_p properly.
7241 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7242 (find_outermost_region_in_block): New.
7243 (new_label_mapper): New.
7244 (move_sese_region_to_fn): Copy eh information to the new function
7246 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7248 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7251 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7253 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7254 into shared libraries.
7256 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7258 * doc/md.texi: Refer to i386/constraints.md instead of
7260 * config/i386/constraints.md: New file, extracted from...
7261 * config/i386/predicates.md: ...here.
7262 * config/i386/i386.md: Include constraints.md.
7264 2006-03-21 Jason Merrill <jason@redhat.com>
7266 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7269 * expr.c (init_block_move_fn): Force default visibility.
7270 (init_block_clear_fn): Likewise.
7271 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7272 * targhooks.c (default_external_stack_protect_fail): Likewise.
7274 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7276 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7277 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7278 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7279 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7280 (loadgp): Use mips_current_loadgp_style.
7281 (loadgp_noshared): New pattern.
7282 (sibcall_internal): Use MIPS_CALL.
7283 (sibcall_value_internal): Likewise.
7284 (sibcall_value_multiple_internal): Likewise.
7285 (call_internal): Likewise.
7286 (call_value_internal): Likewise.
7287 (call_value_multiple_internal): Likewise.
7288 (call_split): Use MIPS_CALL and add an 'S' constraint.
7289 (call_value_split): Likewise.
7290 (call_value_multiple_split): Likewise.
7291 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7292 (-mshared): New option.
7293 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7294 (mips_current_loadgp_style): Declare.
7295 * config/mips/mips.c (mips_classify_symbol): Avoid using
7296 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7297 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7298 TARGET_ABSOLUTE_ABICALLS.
7299 (override_options): Adjust comments. Improve the warning that is
7300 issued when -mabicalls and -G are used together.
7301 (mips_file_start): Remove comment.
7302 (mips_current_loadgp_style): New function.
7303 (mips_gnu_local_gp): New variable.
7304 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7306 (mips_output_function_prologue): Use mips_current_laodgp_style.
7307 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7308 the cprestore instruction.
7309 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7310 live for TARGET_ABSOLUTE_ABICALLS.
7311 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7312 (ASM_SPEC): Pass down -mshared and -mno-shared.
7313 (MIPS_CALL): New macro.
7314 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7316 * doc/invoke.texi (-mabicalls): Update documentation.
7317 (-mshared): Document.
7319 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7321 * config/ia64/unwind-hpux.c: New file.
7322 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7324 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7327 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7329 2006-03-21 Jeff Law <law@redhat.com>
7331 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7332 type conversions of a VR_VARYING source to a wider type.
7334 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7336 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7337 tm_file on Solaris 10 and later.
7338 (sparc64-*-solaris2*): Likewise.
7339 (sparc-*-solaris2*): Likewise.
7340 * config/sol26.h: Rename to config/sol2-6.h.
7341 * config/sol2-10.h: New file.
7343 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7346 * tree-ssa-pre.c (create_component_ref_by_pieces):
7349 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7352 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7353 return it immediately.
7355 2006-03-21 Michael Matz <matz@suse.de>
7357 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7359 (remove_arc, add_arc): Update num_out_arcs member.
7360 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7362 (cache_presence): New function.
7363 (compare_states_for_equiv): New function.
7364 (state_is_differed): Don't take number of outargs, adjust callers.
7365 Use new invariant for speeding up.
7366 (init_equiv_class): Create initial classes based on sorted
7368 (partition_equiv_class): Don't track out_arcs_num.
7369 (evaluate_equiv_classes): Call cache_presence on all states and
7372 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7374 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7375 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7376 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7377 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7379 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7380 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7381 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7382 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7383 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7385 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7386 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7387 (REGNO_REG_CLASS): ARGP is in PREGS.
7388 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7390 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7391 to deal with those addresses.
7392 * addresses.h: New file.
7393 * caller-save.c: Include "addresses.h".
7394 (init_caller_save): Use new base_reg_class function.
7395 * rtl-factoring.c: Include "addresses.h".
7396 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7397 * recog.c: Include "addresses.h".
7398 (preprocess_constraints): Use new base_reg_class function.
7399 * regrename.c: Include "addresses.h".
7400 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7401 functions. Keep track of a new var INDEX_CODE to compute valid
7403 (replace_oldest_value_addr): Likewise.
7404 (replace_oldest_value_mem): Use base_reg_class.
7405 * reload.c: Include "addresses.h".
7406 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7407 (find_reloads): Use new base_reg_class function.
7408 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7409 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7410 all callers and prototype changed.
7411 * reload1.c: Include "addresses.h".
7412 (maybe_fix_stack_asms): Use base_reg_class.
7413 * regclass.c: Include "addresses.h".
7414 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7415 (init_reg_autoinc): Use new base_reg_class function.
7416 (record_reg_classes): Likewise.
7417 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7418 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7419 Use new args to compute necessary class.
7421 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7422 regrename.o, rtl-factoring.o): Update dependencies.
7423 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7424 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7425 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7426 REG_OK_FOR_INDEX_P): Delete documentation.
7428 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7430 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7431 from V7 to V9 for Solaris 7 and above.
7433 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7435 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7436 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7437 argument pointers may not alias any other storage.
7438 * common.opt: Define option -fargument-noalias-anything.
7439 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7440 alias semantics is specified by flag_argument_noalias > 2.
7442 2006-03-20 Jeff Law <law@redhat.com>
7444 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7445 (pass_phi_only_cprop): Declare.
7446 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7448 * tree-ssa-dom.c (degenerate_phi_result): New function.
7449 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7450 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7451 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7452 (eliminate_degenerate_phis): Likewise.
7453 (pass_phi_only_cprop): New pass descriptor.
7454 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7455 support code. Callers updated.
7456 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7457 (store_copy_prop): Likewise.
7458 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7460 2006-03-20 Jason Merrill <jason@redhat.com>
7463 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7464 (push_visibility, pop_visibility): Likewise.
7465 * c-pragma.h: Declare them.
7467 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7469 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7471 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7472 parameter and use get_ebb_head_tail.
7473 (sh_md_init_global): Adjust uses of find_regmode_weight.
7475 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7477 * function.h (struct function) <x_tail_recursion_reentry>:
7478 Rename to x_stack_check_probe_note.
7479 (tail_recursion_reentry): Rename to stack_check_probe_note.
7480 * function.c: Replace tail_recursion_reentry with
7481 stack_check_probe_note everywhere.
7482 (expand_function_start): Only emit a note for
7483 stack_check_probe_note with -fstack-protect.
7484 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7486 * emit-rtl.c (remove_unnecessary_notes): Remove.
7487 (pass_remove_unnecessary_notes): Remove.
7488 * rtl.h (remove_unnecessary_notes): Remove prototype.
7489 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7490 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7491 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7493 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7496 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7497 (valid_in_set): Handle ARRAY_REF.
7498 Change "if min_variant or VH" to asserts.
7499 (create_component_ref_by_pieces): Handle ARRAY_REF.
7500 (create_expression_by_pieces): Likewise.
7501 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7503 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7505 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7506 is operand of switch, not str[0].
7508 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7510 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7511 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7513 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7515 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7516 end of insn_extra_address_constraint declaration.
7518 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7520 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7521 (no-sum-in-toc): Same.
7522 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7524 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7525 NO_FP_IN_TOC for -fPIC instead of mask.
7527 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7528 (BOOT_LDFLAGS): Delete.
7530 * config/rs6000/t-aix52: Same.
7532 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7533 (stmsi[345678]_power): New.
7535 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7537 * config/ia64/ia64.opt: Add empty line to end of file.
7539 2006-03-17 Richard Guenther <rguenther@suse.de>
7542 * builtins.c (get_pointer_alignment): For component style references
7543 adjust alignment to the component type alignment. Make sure
7544 to adjust alignment for component access of constants.
7546 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7548 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7551 2006-03-17 Paul Brook <paul@codesourcery.com>
7553 * doc/install.texi: Docuemnt --with-mode.
7554 * config.gcc: Add --with-mode for arm*-*-*.
7555 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7557 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7559 * sh.c (max_labelno_before_reorg): New variable.
7560 (sh_reorg): Initialize it.
7561 (find_barrier): Check max_labelno_before_reorg before using
7562 label_to_alignment. Take length of explicit alignment insns
7563 into account. When seeing a UNSPECV_CONST_END, return it.
7565 * sh.c (fixup_mova): Set mode of affected label to QImode.
7566 (untangle_mova): New function.
7567 (find_barrier): Use it. Check mode of label before decrementing
7569 (sh_reorg): Likewise.
7570 Set mode of all insns back to VOIDmode.
7572 * sh.c (MOVA_LABELREF): New macro.
7573 (mova_p, fixup_mova, sh_reorg): Use it.
7574 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7575 ADDR_DIFF_VEC matches mova.
7577 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7579 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7580 with ATTRIBUTE_UNUSED.
7582 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7584 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7585 pointer, instead of assuming it is possible to derive the
7586 correct args size from a call insn.
7588 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7590 * rtl.h (CONST_INT_P): Define.
7591 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7592 instead of GET_CODE(x) == CONST_INT.
7593 (vax_rtx_costs): Likewise.
7594 (vax_output_int_move): Likewise.
7595 (vax_output_int_add): Likewise.
7596 (legitimate_constant_address_p): Likewise.
7597 (index_term_p): Likewise.
7598 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7599 * config/vax/vax.md (and<mode>3): Likewise.
7600 (ashrsi3): Likewise.
7602 (movstricthi): Likewise.
7603 (movstrictqi): Likewise.
7604 (rotrsi3): Likewise.
7605 (five unnamed insns): Likewise.
7607 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7609 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7610 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7611 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7612 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7613 Pass to ASM_OUTPUT_DWARF_OFFSET.
7614 * dwarf2out.c (debug_frame_section): New.
7615 (output_call_frame_info): Use debug_frame_section. Pass it to
7616 dw2_asm_output_offset.
7617 (output_die): Pass appropriate section to dw2_asm_output_offset.
7618 (output_compilation_unit_header): Likewise.
7619 (output_pubnames): Likewise.
7620 (output_aranges): Likewise.
7621 (enum dw_val_class): Break dw_val_class_lbl_offset into
7622 dw_val_class_lineptr and dw_val_class_macptr.
7623 (add_AT_lbl_offset): Delete.
7624 (add_AT_lineptr): New.
7625 (add_AT_macptr): New.
7626 (AT_lbl): Expect a lineptr or macptr.
7627 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7628 (attr_checksum): Likewise.
7629 (same_dw_val_p): Likewise.
7630 (size_of_die): Likewise.
7631 (value_format): Likewise.
7632 (output_die): Likewise.
7633 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7635 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7636 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7637 * config/darwin-protos.h (darwin_file_start): New.
7638 (darwin_asm_output_dwarf_offset): New.
7639 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7640 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7642 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7643 if not EH section; simplify.
7644 (darwin_file_start): New.
7645 (darwin_asm_output_dwarf_offset): New.
7646 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7648 (DEBUG_INFO_SECTION): Likewise.
7649 (DEBUG_ABBREV_SECTION): Likewise.
7650 (DEBUG_ARANGES_SECTION): Likewise.
7651 (DEBUG_MACINFO_SECTION): Likewise.
7652 (DEBUG_LINE_SECTION): Likewise.
7653 (DEBUG_LOC_SECTION): Likewise.
7654 (DEBUG_PUBNAMES_SECTION): Likewise.
7655 (DEBUG_STR_SECTION): Likewise.
7656 (DEBUG_RANGES_SECTION): Likewise.
7657 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7658 (ASM_OUTPUT_DWARF_OFFSET): New.
7660 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7662 * config.gcc (tm_defines): Always add to previous value rather
7665 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7667 * config/mips/predicates.md (splittable_const_int_operand): New,
7668 split from move_operand.
7669 (splittable_symbolic_operand): New.
7670 (move_operand): Add commentary. Use splittable_const_int_operand.
7671 Inline mips_atomic_symbolic_constant_p.
7672 * config/mips/mips.md: Add combine splitters for handling moves
7673 of splittable_const_int_operands and splittable_symbolic_operands.
7674 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7675 (mips_split_symbol): Declare.
7676 (mips_move_integer): Declare.
7677 * config/mips/mips.c (mips_split_p): Make global.
7678 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7679 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7680 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7681 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7682 (mips_offset_within_object_p): Handle block symbols.
7683 (mips_atomic_symbolic_constant_p): Delete.
7684 (mips_cannot_force_const_mem): Return false for constants that
7685 mips_legitimize_move can handle.
7686 (mips_use_blocks_for_constant_p): New function.
7687 (mips_split_symbol): Make global.
7688 (mips_move_integer): Likewise. Add a temporary register argument.
7689 (mips_legitimize_const_move): Use splittable_const_int_operand and
7690 splittable_symbolic_operand.
7691 (mips_use_anchors_for_symbol_p): New function.
7692 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7693 (mips_split_p): Declare.
7695 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7697 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7698 (mips*-*-linux*): Likewise.
7700 2006-03-16 Roger Sayle <roger@eyesopen.com>
7701 Daniel Speyer <dspeyer@wam.umd.edu>
7704 * tree-dump.c (dump_real): New function.
7705 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7706 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7707 (tree-dump.o): Add $(REAL_H) to the dependencies.
7709 2006-03-16 Roger Sayle <roger@eyesopen.com>
7712 * real.c (real_from_string): If the mantissa is zero, don't bother
7713 parsing the exponent as the result should always be zero.
7715 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7717 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7719 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7721 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7722 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7723 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7724 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7725 ia64_sched_finish_global): New static functions to implement
7726 hooks from gcc_target.sched.
7727 (spec_check_no, max_uid, pending_data_specs): New static variables.
7728 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7729 ia64_spec_check_src_p): New static functions.
7730 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7731 (TARGET_SCHED_ADJUST_COST): Removed.
7732 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7733 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7734 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7735 TARGET_SCHED_GEN_CHECK,
7736 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7737 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7738 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7739 Fixed to handle speculation checks.
7740 (rtx_needs_barrier): Fixed to handle speculative loads and
7742 (ia64_variable_issue): Added code to count speculative loads and their
7744 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7746 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7748 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7750 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7751 (ia64_reorg): Reset stops_p to NULL after it is freed.
7752 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7753 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7754 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7756 (data_speculative, control_speculative, check_load): New attributes.
7757 (mov<mode>_advanced, mov<mode>_speculative,
7758 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7759 zero_extend<mode>di2_speculative,
7760 zero_extend<mode>di2_speculative_advanced): New patterns for
7761 data and control speculative loads.
7762 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7764 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7765 New pattern for data and control speculation checks.
7766 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7767 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7768 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7769 Auxiliary definitions for the patterns.
7770 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7771 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7773 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7775 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7776 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7777 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7778 New resource constraints.
7779 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7781 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7782 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7783 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7784 msched-in-control-spec, msched-ldc, msched-control-ldc,
7785 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7786 msched-prefer-non-control-spec-insns,
7787 msched-count-spec-in-critical-path): New flags to tune speculative
7789 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7790 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7791 msched-in-control-spec, msched-ldc, msched-control-ldc,
7792 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7793 msched-prefer-non-control-spec-insns,
7794 msched-count-spec-in-critical-path): Document new flags.
7796 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7798 * target.h (struct spec_info_def): New opaque declaration.
7799 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7800 speculate_insn, needs_block_p, gen_check,
7801 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7802 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7803 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7804 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7805 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7806 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7808 (TARGET_SCHED): Use new macros.
7809 * rtl.h (copy_DEPS_LIST_list): New prototype.
7810 * sched-int.h (struct sched_info): Change signature of new_ready field,
7811 adjust all initializations. New fields: add_remove_insn,
7812 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7813 region_head_or_leaf_p.
7814 (struct spec_info_def): New structure declaration.
7815 (spec_info_t): New typedef.
7816 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7817 recovery_block, orig_pat.
7818 (glat_start, glat_end): New variables declaraions.
7819 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7821 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7822 DETACH_LIFE_INFO, USE_GLAT.
7823 (enum SPEC_SCHED_FLAGS): New enumeration.
7824 (NOTE_NOTE_BB_P): New macro.
7825 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7826 attach_life_info, debug_spec_status, check_reg_live): New functions.
7827 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7828 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7830 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7831 * ddg.c (get_block_head_tail): Adjust all uses.
7832 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7833 (sms_sched_info): Initialize new fields.
7834 (contributes_to_priority): Removed.
7835 * haifa-sched.c (params.h): New include.
7836 (get_block_head_tail): Adjust all uses.
7837 (ISSUE_POINTS): New macro.
7838 (glat_start, glat_end): New global variables.
7839 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7840 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7841 old_last_basic_block, before_recovery, current_sched_info_var,
7842 rgn_n_insns, luid): New static variables.
7843 (insn_cost1): New function. Move logic from insn_cost to here.
7844 (find_insn_reg_weight1): New function. Move logic from
7845 find_insn_reg_weight to here.
7846 (reemit_notes, move_insn, max_issue): Change signature.
7847 (move_insn1): Removed.
7848 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7849 extend_bb): New static functions to support extension of scheduler's
7851 (generate_recovery_code, process_insn_depend_be_in_spec,
7852 begin_speculative_block, add_to_speculative_block,
7853 init_before_recovery, create_recovery_block, create_check_block_twin,
7854 fix_recovery_deps): New static functions to support
7855 generation of recovery code.
7856 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7857 restore_bb_notes, move_block_after_check, move_succs): New static
7858 functions to support ebb scheduling.
7859 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7860 functions to support handling of register live information.
7861 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7862 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7863 add_jump_dependencies): New static functions.
7864 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7865 consistancy checking.
7866 (debug_spec_status): New function to call from debugger.
7867 (priority): Added code to handle speculation checks.
7868 (rank_for_schedule): Added code to distinguish speculative instructions.
7869 (schedule_insn): Added code to handle speculation checks.
7870 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7871 Fixed to handle ebbs.
7872 (move_insn): Added code to handle ebb scheduling.
7873 (max_issue): Added code to use ISSUE_POINTS of instructions.
7874 (choose_ready): Added code to choose between speculative and
7875 non-speculative instructions.
7876 (schedule_block): Added code to handle ebb scheduling and scheduling of
7877 speculative instructions.
7878 (sched_init): Initialize new variables.
7879 (sched_finish): Free new variables. Print statistics.
7880 (try_ready): Added code to handle speculative instructions.
7881 * lists.c (copy_DEPS_LIST_list): New function.
7882 * sched-deps.c (extend_dependency_caches): New function. Move logic
7883 from create_dependency_caches to here.
7884 (get_dep_weak, ds_merge): Make global.
7885 * genattr.c (main): Code to output prototype for
7886 dfa_clear_single_insn_cache.
7887 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7888 (output_dfa_clean_insn_cache_func): Code to output
7889 dfa_clear_single_insn_cache function.
7890 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7892 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7894 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7895 New static variables.
7896 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7897 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7899 (ebb_sched_info): Initialize new fields.
7900 (get_block_head_tail): Adjust all uses.
7901 (compute_jump_reg_dependencies): Fixed to use glat_start.
7902 (schedule_ebb): Code to remove unreachable last block.
7903 (schedule_ebbs): Added code to update register live information.
7904 * sched-rgn.c (region_sched_info): Initialize new fields.
7905 (get_block_head_tail): Adjust all uses.
7906 (last_was_jump): Removed. Adjust users.
7907 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7908 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7909 Implement new hooks.
7910 (check_dead_notes1): New static function.
7911 (struct region): New fields: dont_calc_deps, has_real_ebb.
7912 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7913 (BB_TO_BLOCK): Fixed to handle EBBs.
7914 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7915 (ebb_head): New static variable.
7916 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7917 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7919 (compute_dom_prob_ps): New assertion.
7920 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7921 global_live_at_start.
7922 (init_ready_list): New assertions.
7923 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7924 (new_ready): Add support for BEGIN_CONTROL speculation.
7925 (schedule_insns): Fixed code that updates register live information
7927 (schedule_region): Fixed to handle EBBs.
7928 (init_regions): Use extend_regions and check_dead_notes1.
7929 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7930 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7931 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7932 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7933 TARGET_SCHED_GEN_CHECK,
7934 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7935 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7936 * doc/invoke.texi (max-sched-insn-conflict-delay,
7937 sched-spec-prob-cutoff): Document.
7939 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7941 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7942 inter_tick, queue_index.
7943 (struct sched_info): Change signature of init_ready_list field.
7944 Adjust all initializations.
7945 (RESOLVED_DEPS): New access macro.
7946 (ready_add): Remove prototype.
7947 (try_ready): Add prototype.
7948 * sched-rgn.c (init_ready_list): Use try_ready.
7949 (schedule_region): Initialize
7950 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7951 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7952 (init_ready_list): Use try_ready.
7953 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7954 * lists.c (remove_list_elem): Remove `static'.
7955 (remove_free_INSN_LIST_elem): New function.
7956 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7957 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7958 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7960 (readyp): New variable.
7961 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7962 change_queue_index, resolve_dep): New static functions.
7963 (try_ready): New function. Adjust callers in sched-rgn.c and
7964 sched-ebb.c to use it instead of ready_add.
7965 (clock_var): Move at the begining of file.
7966 (rank_for_schedule): Fix typo.
7967 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7968 (ready_lastpos): Enforce assertion.
7969 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7971 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7972 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7973 (queue_to_ready): Use free_INSN_LIST_list.
7974 (early_queue_to_ready): Fix typo.
7975 (schedule_block): Init readyp. Move init_ready_list call after the
7976 initialization of clock_var. Fix error in rejecting insn by
7977 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7978 that previously corrected INSN_TICKs. Add code for handling
7980 (set_priorities): Fix typo.
7981 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7982 Clarify comment and code that keeps current_sched_info->next_tail
7985 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7987 * sched-rgn.c (extend_rgns): New static function.
7988 (find_rgns): Use it.
7989 (gather_region_statistics, print_region_statistics): New static
7991 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7992 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7994 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7995 Andrey Belevantsev <abel@ispras.ru>
7997 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7998 * lists.c (unused_deps_list): New variable.
7999 (free_list): Add assertions to verify the proper distinguishing
8000 between INSN_LISTs and DEPS_LISTs.
8001 (find_list_elem, remove_list_elem, remove_list_node): New static
8003 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8004 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8005 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8006 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8008 (free_INSN_LIST_node): Likewise.
8009 * modulo-sched.c (current_sched_info): Initialize flags field.
8010 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8011 * rtl.def (DEPS_LIST): Define.
8012 * rtl.h: Declare new functions from lists.c.
8013 * sched-deps.c (spec_dependency_cache): New static variable.
8014 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8015 (add_dependence): Change return type to void. Move the logic to ...
8016 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8017 (delete_all_dependences): Add comment about forward_dependency_cache.
8018 Handle spec_dependency_cache. Handle DEPS_LISTs.
8019 (fixup_sched_groups): Clarify the change of priority of output
8020 and anti dependencies.
8021 (sched_analyze_2): Adjust add_dependence calls to create data
8022 speculative dependence.
8023 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8024 Adjust all callers. Handle DEPS_LISTS.
8025 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8026 presence of speculation.
8027 (init_dependency_caches, free_dependency_caches):
8028 Handle spec_dependency_cache.
8029 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8030 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8031 New static functions.
8032 (add_or_update_back_dep, add_or_update_back_forw_dep,
8033 add_back_forw_dep, delete_back_forw_dep): New functions.
8034 * sched-int.h (ds_t, dw_t): New typedefs.
8035 (struct sched_info): Add new field flags.
8036 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8037 Prototype new sched-deps.c functions.
8038 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8039 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8040 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8041 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8042 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8043 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8045 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8047 * sched-rgn.c (current_sched_info): Initialize flags field.
8048 (schedule_insns): Initialize current_sched_info before the sched_init
8050 * sched-ebb.c (current_sched_info): Initialize flags field.
8051 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8052 Call add_or_update_back_dep instead of add_dependence.
8053 Create control speculative dependencies.
8054 (schedule_insns): Initialize current_sched_info before the sched_init
8057 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8059 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8061 (sh_fallback_frame_state): Likewise.
8063 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8065 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8066 Do switch on default_use_cxa_atexit.
8067 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8068 * config/darwin-crt3.o: New.
8069 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8070 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8071 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8073 * config/rs6000/t-darwin: Move crt2.o building to here.
8074 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8075 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8078 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8080 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8081 from '! xxx' to '!xxx' for coding-style conformance.
8082 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8083 (EXTRA_CONSTRAINT): Likewise.
8084 * config/vax/vax.md (four unnamed insns): Likewise.
8086 2006-03-15 Paul Brook <paul@codesourcery.com>
8088 * config/arm/arm.c (minipool_pad): New.
8089 (add_minipool_forward_ref): Include pool alignment padding in address
8091 (push_minipool_fix): Set minipool_pad.
8092 (minipool_pad): Ditto.
8094 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8096 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8097 instead of GET_CODE() == MEM and REG_P() instead of
8099 (print_operand_address): Likewise.
8100 (vax_address_cost): Likewise.
8101 (vax_rtx_costs): Likewise.
8102 (vax_notice_update_cc): Likewise.
8103 (vax_output_int_add): Likewise.
8104 (INDEX_REGISTER_P): Likewise.
8105 (BASE_REGISTER_P): Likewise.
8106 (nonindexed_address_p): Likewise.
8107 (vax_mode_dependent_address_p): Likewise.
8108 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8109 (PRINT_OPERAND): Likewise.
8110 * config/vax/vax.md (ashlsi3): Likewise.
8111 (ashlsi3): Likewise.
8112 (some more unnamed insns): Likewise.
8114 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8116 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8117 iterator-style macro.
8118 (mark_control_dependent_edges_necessary): Update the use of
8119 EXECUTE_IF_CONTROL_DEPENDENT.
8121 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8123 * config/sh/predicates.md (cache_address_operand): Special.
8124 (ua_address_operand): Likewise.
8126 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8128 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8130 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8132 2006-03-15 Andreas Schwab <schwab@suse.de>
8134 * gensupport.c (identify_predicable_attribute): Don't free p_false
8135 when it is still in use.
8137 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8139 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8140 the default setting here.
8142 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8144 * tree-pass.h (pass_cfg): Remove.
8145 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8146 * passes.c (pass_cfg): Don't run it.
8148 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8150 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8151 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8153 (stack_regs_mentioned): Update the uses of
8154 stack_regs_mentioned_data. Don't access the array beyond its
8156 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8157 Don't include gt-reg-stack.h.
8159 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8160 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8162 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8165 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8168 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8170 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8172 2006-03-14 Richard Guenther <rguenther@suse.de>
8174 PR tree-optimization/26672
8175 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8178 2006-03-14 Richard Guenther <rguenther@suse.de>
8180 PR tree-optimization/26667
8181 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8182 node for the callees. Always allow inlining if it will shrink
8185 2006-03-14 Richard Guenther <rguenther@suse.de>
8188 * builtins.c (get_pointer_alignment): Prefer alignment
8189 information from decls over that from types.
8191 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8194 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8196 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8198 * config/rs6000/rs6000.opt (mdlmzb): New option.
8199 (msched-prolog, msched-epilog): Use Var not Mask.
8200 * doc/invoke.texi (-mdlmzb): Document.
8201 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8203 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8204 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8206 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8208 PR rtl-optimization/25739
8209 * bt-load.c (augment_live_range): Free tos pointer.
8211 * gensupport.c (identify_predicable_attribute): Free
8213 * gcov.c (create_file_names): Free name pointer.
8215 2006-03-13 Roger Sayle <roger@eyesopen.com>
8218 * stmt.c (emit_case_nodes): Handle the case where the index is a
8219 CONST_INT, where the comparison mode is specified by the index type.
8221 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8223 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8226 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8228 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8229 (*branch_fp_inverted): Likewise.
8231 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8234 * omp-low.c (expand_omp_for_generic): Mark istart0
8235 and iend0 as addressable.
8237 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8239 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8241 2006-03-13 Jeff Law <law@redhat.com>
8243 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8244 virtual operands are interesting.
8245 (vrp_visit_stmt): Corresponding changes.
8247 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8249 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8251 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8252 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8253 * config/bfin/crti.S: Use it instead of __PIC__.
8254 * config/bfin/crtn.S: Likewise.
8256 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8257 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8259 Lose 'G' modifier for call operand.
8260 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8261 recognize 'G' modifier.
8263 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8266 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8267 * stmt.c (expand_case): Likewise.
8269 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8271 PR rtl-optimization/26254
8272 * loop-invariant.c (seq_insns_valid_p): New function.
8273 (move_invariant_reg): Only emit new code if it is valid.
8275 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8277 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8279 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8280 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8281 (commit_one_edge_insertion): Do not look for loop notes.
8283 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8285 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8286 flag_test_coverage out of loop.
8288 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8290 * final.c (shorten_branches): Remove outdated comment, and turn
8291 the if branch that guards it to continue.
8293 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8295 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8296 * cfgloop.h (struct loop): Remove unused fields.
8298 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8300 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8301 (-dL, -fdump-rtl-loop2): Update the dump file names
8303 * doc/invoke.texi: Update dump file names.
8305 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8307 * predict.c (estimate_probability): Remove.
8308 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8309 * basic-block.h (estimate_probability): Remove prototype.
8310 * passes.c (finish_optimization_passes): Dump branch prediction or
8311 profiling heuristics to the .profile tree dump.
8312 (init_optimization_passes): Unqueue pass_branch_prob.
8314 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8316 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8318 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8319 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8321 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8323 * function.h (frame_offset_overflow): Declare.
8324 * function.c (frame_offset_overflow): New function.
8325 (assign_stack_local_1): Call it to detect that the offset overflows.
8326 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8328 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8330 * config/sh/sh.c: Include alloc-pool.h.
8331 (label_ref_list_pool): New alloc pool.
8332 (label_ref_list_t): New type for lists of labels.
8333 (struct pool_node): Make wend a label_ref_list_t.
8334 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8336 (dump_table): Likewise.
8337 (sh_reorg): Set up the alloc pool before using add_constant and
8338 dump_table, and destroy it when finishing.
8340 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8342 * config/mips/mips.c: Remove redundant comment.
8344 2006-03-10 Jason Merrill <jason@redhat.com>
8347 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8348 the target was declared 'register'.
8350 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8352 * genpreds.c (write_insn_constraint_len): Change definition of
8353 insn_constraint_len to return size_t to match the declaration.
8355 2006-03-10 DJ Delorie <dj@redhat.com>
8357 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8359 (m32c_expand_insv): Fix test for an AND mask.
8361 2006-03-10 Richard Guenther <rguenther@suse.de>
8364 * builtins.c (get_pointer_alignment): Handle component
8365 references for field alignment.
8367 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8369 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8370 when building with libgloss.
8371 (sh*elf): Implement --without-fp option.
8372 (sh64-superh-linux*): Don't multilib.
8374 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8376 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8378 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8380 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8381 Set it when one of the replacement functions returned true.
8382 Return TODO_cleanup_cfg if cfgchanged is true.
8383 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8385 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8387 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8388 instead of gen_lowpart.
8390 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8392 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8394 (mips_output_order_conditional_branch): Declare.
8395 * config/mips/mips.h (MIPS_BRANCH): New macro.
8396 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8397 for the comparison. Use gen_condjump.
8398 (mips_output_conditional_branch): Rework interface to take the
8399 asm templates for a direct branch and the inverse of a direct branch.
8400 (mips_output_order_conditional_branch): New function.
8401 (mips_builtin_branch_and_move): New function.
8402 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8403 branch condition. Use gen_single_cc as the condition for
8404 __builtin_mips_upper_* or __builtin_mips_lower_*.
8405 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8406 Use VOIDmode for the branch condition.
8407 * config/mips/predicates.md (order_operator): New predicate.
8408 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8409 (branch_fp): Rename to...
8410 (*branch_fp): ...this. Remove mode from comparison operator.
8411 Use new mips_output_conditional_branch interface.
8412 (branch_fp_inverted): Rename to...
8413 (*branch_fp_inverted): ...this and update as for *branch_fp.
8414 (*branch_zero<mode>): Rename to...
8415 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8416 Use mips_output_order_conditional_branch. Only accept ordered
8418 (*branch_zero<mode>_inverted): Rename to...
8419 (*branch_order<mode>_inverted): ...this and update as for
8420 *branch_order<mode>.
8421 (*branch_equality<mode>): Accept zero as the second operand to
8422 the equality operator. Use the new mips_output_conditional_branch
8424 (*branch_equality<mode>_inverted): Likewise.
8425 (condjump): New expander.
8426 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8428 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8429 (bc1any2t, bc1any2f): Likewise.
8430 (single_cc): New expander.
8431 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8433 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8435 * doc/md.texi: Update documentation of MIPS constraints.
8436 * config/mips/constraints.md: New file.
8437 * config/mips/mips.md: Include it.
8438 * config/mips/mips.c (mips_char_to_class): Delete.
8439 (override_options): Don't initialize mips_char_to_class.
8440 * config/mips/mips.h (mips_char_to_class): Delete.
8441 (REG_CLASS_FROM_LETTER): Delete.
8442 (CONST_OK_FOR_LETTER_P): Delete.
8443 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8444 (EXTRA_CONSTRAINT_Y): Delete.
8445 (EXTRA_CONSTRAINT_STR): Delete.
8446 (CONSTRAINT_LEN): Delete.
8447 (EXTRA_MEMORY_CONSTRAINT): Delete.
8449 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8451 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8452 original fn's eh regions.
8454 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8456 * fold-const.c (build_range_check): Make sure to use a valid type to
8457 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8460 (range_predecessor): New static function.
8461 (range_successor): Likewise.
8462 (merge_ranges): Use them to compute predecessors and successors of
8465 2006-03-09 Roger Sayle <roger@eyesopen.com>
8468 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8469 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8471 2006-03-08 DJ Delorie <dj@redhat.com>
8473 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8474 (addpsi3): Expand to include memory operands. Remove
8475 reload-specific splits.
8476 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8477 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8478 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8479 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8480 (shift1_qi, shift1_hi, insv): New.
8481 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8482 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8483 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8485 * config/m32c/m32c-protos.h: Update as needed.
8486 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8487 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8488 Fail for unrecognized R* constraints.
8489 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8490 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8491 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8493 (m32c_init_libfuncs): New.
8494 (m32c_legitimate_address_p): Add debug wrapper.
8495 (m32c_rtx_costs): New.
8496 (m32c_address_cost): New.
8497 (conversions): Add 'B' prefix.
8498 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8499 operands, or word regnames for QI operands. 'B' prints bit
8501 (m32c_expand_setmemhi): New.
8502 (m32c_expand_movmemhi): New.
8503 (m32c_expand_movstr): New.
8504 (m32c_expand_cmpstr): New.
8505 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8506 (m32c_expand_neg_mulpsi3): Handle non-ints.
8507 (m32c_cmp_flg_0): New.
8508 (m32c_expand_movcc): New.
8509 (m32c_expand_insv): New.
8510 (m32c_scc_pattern): New.
8511 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8512 a0/a1 out of SIregs.
8513 (STORE_FLAG_VALUE): New.
8514 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8517 * config/m32c/mov.md: Make constraints more liberal.
8518 (zero_extendqihi2): Optimize r0/r1 case.
8519 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8520 * config/m32c/predicates.md (m32c_any_operand): New.
8521 (m32c_nonimmediate_operand): New.
8522 (m32c_hl_operand): New.
8523 (m32c_r3_operand): New.
8526 (memsym_operand): New.
8527 (memimmed_operand): New.
8528 (a_qi_operand): New.
8529 (m32c_eqne_operator): New.
8530 (m32c_1bit8_operand): New.
8531 (m32c_1bit16_operand): New.
8532 (m32c_1mask8_operand): New.
8533 (m32c_1mask16_operand): New.
8534 * config/m32c/blkmov.md: New file.
8535 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8537 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8539 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8540 unsigned to fix signed/unsigned comparison issue in
8541 DWARF2_FRAME_REG_OUT.
8542 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8543 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8545 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8546 of ptr into the ENABLE_CHECKING section.
8548 2006-03-08 Jeff Law <law@redhat.com>
8550 * tree-vrp.c (infer_value_range): Only count pointer uses
8551 and dereferences if -fdelete-null-pointer-checks is enabled.
8553 * tree-vrp.c (find_assert_locations): Infer value ranges for
8554 single use pointers, but do not create ASSERT_EXPRs for them.
8555 When a non-null range is inferred for a pointer, backwards
8556 propagate that range to other equivalent pointers through the
8559 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8562 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8563 language hook targets.
8564 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8565 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8566 if language hook targets were missing.
8568 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8570 * tree-ssa-opfinalize.h: Removed.
8571 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8573 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8574 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8575 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8576 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8577 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8578 finalize_ssa_v_must_def_ops): New.
8580 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8582 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8585 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8587 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8589 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8590 addresses with offsets; reorganize.
8592 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8593 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8594 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8596 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8599 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8601 2006-03-08 Ben Elliston <bje@au.ibm.com>
8603 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8605 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8608 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8611 2006-03-07 Richard Guenther <rguenther@suse.de>
8613 PR tree-optimization/26587
8614 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8616 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8618 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8620 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8622 * hooks.c (hook_bool_mode_rtx_true): New function.
8623 * hooks.h (hook_bool_mode_rtx_true): Declare.
8624 * toplev.c (compile_file): Call output_shared_constant_pool.
8625 * varasm.c (shared_constant_pool): New variable.
8626 (assemble_start_function, assemble_end_function): Remove arguments
8627 from call to output_constant_pool.
8628 (create_constant_pool): New function, split out from...
8629 (init_varasm_status): ...here.
8630 (force_const_mem): Choose between the shared and per-function constant
8631 pools. Set current_function_uses_const_pool when reusing old entries
8632 as well as when creating new ones.
8633 (mark_constant): Ignore data argument.
8634 (mark_constants): Remove pool argument.
8635 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8636 to decide whether the function uses a constant pool.
8637 (output_constant_pool_contents): New function, split out from...
8638 (output_constant_pool): ...here.
8639 (output_shared_constant_pool): New function.
8640 (init_varasm_once): Initialize shared_constant_pool.
8641 * output.h (output_constant_pool): Delete.
8642 (output_shared_constant_pool): Declare.
8643 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8644 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8646 2006-03-06 Nick Clifton <nickc@redhat.com>
8648 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8649 flag_strength_reduce.
8651 2006-03-06 Ben Elliston <bje@au.ibm.com>
8653 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8654 x86_64-*-linux* configurations.
8656 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8657 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8659 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8661 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8663 * basic-block.h: Remove the extern for
8664 rediscover_loops_after_threading.
8666 * cfgloop.c (cancel_loop): Make it static.
8667 * cfgloop.h: Remove the prototype for cancel_loop.
8669 * flow.c (recompute_reg_usage): Make it static.
8670 * rtl.h: Remove the prototype for recompute_reg_usage.
8672 * function.c (use_return_register): Make it static.
8673 * function.h: Remove the prototype.
8675 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8677 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8679 * recog.h: Remove the prototype for
8680 validate_change_maybe_volatile.
8682 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8684 * rtlanal.c (replace_reg): Remove.
8685 * rtl.h: Remove the prototype for replace_reg.
8687 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8689 * regclass.c (reg_scan_update): Remove.
8690 (reg_scan_mark_refs): Remove the last argument.
8691 * rtl.h: Remove the prototype for reg_scan_update.
8693 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8695 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8696 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8697 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8698 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8699 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8700 loop-invariant.c, omp-low.c, opts.c, passes.c,
8701 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8702 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8703 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8704 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8705 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8706 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8708 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8710 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8711 * dwarf2out.h: Remove the prototype for
8712 dwarf2out_add_library_unit_info.
8714 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8716 * tree.c (add_var_to_bind_expr): Remove.
8717 * tree.h: Remove the prototype for add_var_to_bind_expr.
8719 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8721 * regclass.c (n_non_fixed_regs): Remove.
8722 (init_reg_sets_1, globalize_reg): Remove all uses of
8724 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8726 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8728 * rtlanal.c (insns_safe_to_move_p): Remove.
8729 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8731 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8733 * expmed.c (expand_mult_add): Remove.
8734 * expr.h: Remove the prototype for expand_mult_add.
8736 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8738 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8739 and REG_SAVED_VAL_EXP constants.
8740 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8741 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8742 Handle regs stored by value.
8743 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8744 (execute_cfa_program): Handle DW_CFA_val_offset,
8745 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8746 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8747 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8748 (uw_install_context_1): Handle target regs stored by value.
8750 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8752 * tree-sra.c (tree_sra): Return todoflags;
8753 (generate_one_element): Set TODO_update_smt_usage if needed.
8754 (pass_sra): Remove TODO_update_smt_usage.
8755 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8757 (tree_ssa_forward_propagate_single_use_vars): Return
8758 TODO_update_smt_usage if we need to update SMT usage.
8759 (pass_forwprop): Remove TODO_update_smt_usage.
8761 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8763 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8764 (correct_use_link): Remove reference to get_stmt_operands.
8765 (update_stmt_operands): Likewise.
8766 (get_modify_expr_operands): New function factored out of
8767 parse_ssa_operands and get_expr_operands.
8768 Try to create V_MUST_DEFs for LHS by default.
8769 (get_expr_operands) <case MODIFY_EXPR>: Call
8770 get_modify_expr_operands.
8771 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8772 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8773 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8774 get_modify_expr_operands.
8776 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8778 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8779 * tree-flow.h: Remove the prototype for
8780 referenced_var_lookup_if_exists.
8782 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8784 PR rtl-optimization/26345
8786 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8788 2006-03-03 Roger Sayle <roger@eyesopen.com>
8790 PR tree-optimization/26524
8791 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8792 fold_convert to create a constant of the appropriate type.
8794 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8796 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8797 SYMBOL_REF_IN_BLOCK_P.
8798 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8799 of SYMBOL_FLAG_IN_BLOCK.
8800 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8801 instead of SYMBOL_REF_IN_BLOCK_P.
8802 * explow.c (use_anchored_address): Likewise.
8803 * rtl.c (rtx_size): Likewise.
8804 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8805 instead of SYMBOL_FLAG_IN_BLOCK.
8806 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8807 SYMBOL_REF_IN_BLOCK_P.
8808 (assemble_variable): Likewise.
8809 (output_constant_def_contents): Likewise.
8810 (output_constant_pool): Likewise.
8811 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8812 instead of SYMBOL_FLAG_IN_BLOCK.
8813 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8814 SYMBOL_REF_IN_BLOCK_P.
8815 (SYMBOL_REF_BLOCK): Likewise.
8816 (SYMBOL_REF_OFFSET): Likewise.
8817 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8818 SYMBOL_REF_IN_BLOCK_P.
8819 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8820 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8821 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8822 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8824 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8826 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8828 2006-03-02 Roger Sayle <roger@eyesopen.com>
8830 * simplify-rtx.c (simplify_unary_operation): When simplifying
8831 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8832 that we perform the right shift in the appropriate mode, and
8833 then extend or truncate the result to requested mode.
8835 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8837 * gengtype.c (main): Handle double_int type.
8838 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8839 * double-int.c: New file.
8840 * double-int.h: New file.
8841 * system.h: Include doubleint.h.
8842 * Makefile.in (SYSTEM_H): Include double-int.h.
8843 (double-int.o): Add.
8845 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8848 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8851 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8853 * tree-vrp.c (remove_range_assertions): Do not update statements
8856 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8858 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8860 * gcse.c (rest_of_handle_gcse): Ditto.
8861 * except.c (gate_handle_eh): Ditto.
8862 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8863 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8865 2006-03-02 Eric Christopher <echristo@apple.com>
8867 * config/i386/i386.c (machopic_output_stub): Add indirection to
8870 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8874 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8876 Sun Niagara specific optimizations.
8877 * config.gcc: Recognize niagara as target.
8878 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8879 (TARGET_CPU_niagara): Define.
8880 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8881 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8882 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8883 (ASM_CPU_SPEC): Likewise.
8884 (PROCESSOR_NIAGARA): New enum entry.
8885 (REGISTER_MOVE_COST): Handle Niagara.
8886 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8887 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8888 (sparc_override_options): Recognize "niagara", set appropriate
8889 default MASK_* values for it, and align functions to 32-bytes
8890 by default just like ULTRASPARC/ULTRASPARC3.
8891 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8892 (sparc64_initialize_trampoline): Likewise.
8893 (sparc_use_sched_lookahead): Use zero for niagara.
8894 (sparc_issue_rate): Use one for niagara.
8895 * config/sparc/niagara.md: New file.
8896 * config/sparc/sparc.md: Include it.
8897 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8898 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8899 when default cpu is niagara.
8900 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8901 (ASM_CPU_SPEC): Likewise.
8902 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8903 when default cpu is niagara.
8904 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8905 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8906 just like v9/ultrasparc/ultrasparc3.
8907 * doc/invoke.texi: Add documentation for "niagara" and improve
8908 existing documentation for ultrasparc variants.
8910 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8912 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8914 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8916 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8917 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8918 and say that only one is needed.
8919 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8920 * target.h (have_switchable_bss_sections): New hook.
8921 * explow.c (use_anchored_address): Check that the symbol is in a block.
8922 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8923 (bss_noswitch_section): New variables.
8924 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8925 (get_noswitch_section): New function.
8926 (get_block_for_section): Allow SECT to be null.
8927 (unlikely_text_section_p): Use SECTION_STYLE.
8928 (bss_initializer_p): New function.
8929 (get_variable_section): Move earlier in file. Take a new argument,
8930 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8931 Return one of the new *_sections in such cases.
8932 (get_block_for_decl): New function, extracting some logic from
8933 use_blocks_for_decl_p.
8934 (change_symbol_section): Remove in favor of...
8935 (change_symbol_block): ...this new function.
8936 (use_blocks_for_decl_p): Remove checks now performed by
8938 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8939 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8940 (emit_local, emit_bss, emit_common): ...these new functions.
8941 Return true if the alignment was honored.
8942 (emit_tls_common): New function.
8943 (asm_emit_uninitialised): Delete.
8944 (assemble_variable_noswitch): New function, split out from...
8945 (assemble_variable): ...here. Don't make decisions about common
8946 variables here. Globalize all public decls that go into non-common
8947 sections. Check whether SYMBOL_REF_BLOCK is null.
8948 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8949 (output_constant_pool): Likewise.
8950 (init_varasm_once): Initialize the new section variables.
8951 (have_global_bss_p): New function.
8952 (categorize_decl_for_section): Use bss_initializer_p.
8953 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8954 (place_block_symbol): Assert that the symbol must be in a block.
8955 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8956 (TARGET_INITIALIZER): Include it.
8957 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8958 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8959 (SECTION_MACH_DEP): Bump by two.
8960 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8961 (unnamed_section): Mention SECTION_UNNAMED in comment.
8962 (named_section): Likewise SECTION_NAMED.
8963 (noswitch_section_callback): New type.
8964 (noswitch_section): New structure.
8965 (section): Add a noswitch_section alternative.
8966 (SECTION_STYLE): New macro.
8967 (tls_comm_section, comm_section, lcomm_section): Declare.
8968 (bss_noswitch_section, have_global_bss_p): Declare.
8969 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8970 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8972 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8973 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8976 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8978 * tree-vrp.c (execute_vrp): Return value.
8979 * regrename.c (rest_of_handle_regrename): Ditto.
8980 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8981 * tree-complex.c (tree_lower_complex): Ditto.
8982 (tree_lower_complex_O0): Ditto.
8983 * tracer.c (rest_of_handle_tracer): Ditto.
8984 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8985 * postreload.c (rest_of_handle_postreload): Ditto.
8986 * tree-tailcall.c (execute_tail_recursion): Ditto.
8987 (execute_tail_calls): Ditto.
8988 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8989 * tree.h (init_function_for_compilation): Ditto.
8990 * ipa-cp.c (ipcp_driver): Ditto.
8991 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8992 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8993 * final.c (compute_alignments): Ditto.
8994 (rest_of_handle_final): Ditto.
8995 (rest_of_handle_shorten_branches): Ditto.
8996 (rest_of_clean_state): Ditto.
8997 * omp-low.c (execute_expand_omp): Ditto.
8998 (execute_lower_omp): Ditto.
8999 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9000 * ipa-reference.c (static_execute): Ditto.
9001 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9002 * reorg.c (rest_of_handle_delay_slots): Ditto.
9003 (rest_of_handle_machine_reorg): Ditto.
9004 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9005 * flow.c (recompute_reg_usage): Ditto.
9006 (rest_of_handle_remove_death_notes): Ditto.
9007 (rest_of_handle_life): Ditto.
9008 (rest_of_handle_flow2): Ditto.
9009 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9010 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9011 (do_ssa_store_ccp): Ditto.
9012 (execute_fold_all_builtins): Ditto.
9013 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9014 * modulo-sched.c (rest_of_handle_sms): Ditto.
9015 * ipa-pure-const.c (static_execute): Ditto.
9016 * cse.c (rest_of_handle_cse): Ditto.
9017 (rest_of_handle_cse2): Ditto.
9018 * web.c (rest_of_handle_web): Ditto.
9019 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9020 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9021 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9022 * tree-nrv.c (tree_nrv): Ditto.
9023 (execute_return_slot_opt): Ditto.
9024 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9025 (create_structure_vars): Ditto.
9026 * loop-init.c (rtl_loop_init): Ditto.
9027 (rtl_loop_done): Ditto.
9028 (rtl_move_loop_invariants): Ditto.
9029 (rtl_unswitch): Ditto.
9030 (rtl_unroll_and_peel_loops): Ditto.
9031 (rtl_doloop): Ditto.
9032 * gimple-low.c (lower_function_body): Ditto.
9033 (mark_used_blocks): Ditto.
9034 * tree-ssa-sink.c (execute_sink_code): Ditto.
9035 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9036 (cgraph_early_inlining): Ditto.
9037 * global.c (rest_of_handle_global_alloc): Ditto.
9038 * jump.c (cleanup_barriers): Ditto.
9039 (purge_line_number_notes): Ditto.
9040 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9041 (rest_of_handle_if_after_reload): Ditto.
9042 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9043 (tree_ssa_loop_im): Ditto.
9044 (tree_ssa_loop_unswitch): Ditto.
9045 (tree_vectorize): Ditto.
9046 (tree_linear_transform): Ditto.
9047 (tree_ssa_loop_ivcanon): Ditto.
9048 (tree_ssa_empty_loop): Ditto.
9049 (tree_ssa_loop_bounds): Ditto.
9050 (tree_complete_unroll): Ditto.
9051 (tree_ssa_loop_prefetch): Ditto.
9052 (tree_ssa_loop_ivopts): Ditto.
9053 (tree_ssa_loop_done): Ditto.
9054 * predict.c (tree_estimate_probability): Ditto.
9055 * recog.c (split_all_insns_noflow): Ditto.
9056 (rest_of_handle_peephole2): Ditto.
9057 (rest_of_handle_split_all_insns): Ditto.
9058 * tree-eh.c (lower_eh_constructs): Ditto.
9059 * regmove.c (rest_of_handle_regmove): Ditto.
9060 (rest_of_handle_stack_adjustments): Ditto.
9061 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9062 * function.c (instantiate_virtual_regs): Ditto.
9063 (init_function_for_compilation): Ditto.
9064 (rest_of_handle_check_leaf_regs): Ditto.
9065 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9066 (rest_of_handle_gcse): Ditto.
9067 * ipa-type-escape.c (type_escape_execute): Ditto.
9068 * alias.c (rest_of_handle_cfg): Ditto.
9069 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9070 * profile.c (rest_of_handle_branch_prob): Ditto.
9071 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9072 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9073 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9074 * tree-dfa.c (find_referenced_vars): Ditto.
9075 * except.c (set_nothrow_function_flags): Ditto.
9076 (convert_to_eh_region_ranges): Ditto.
9077 (rest_of_handle_eh): Ditto.
9078 * emit-rtl.c (unshare_all_rtl): Ditto.
9079 (remove_unnecessary_notes): Ditto.
9080 * except.h (set_nothrow_function_flags): Ditto.
9081 (convert_to_eh_region_ranges): Ditto.
9082 * cfgexpand.c (tree_expand_cfg): Ditto.
9083 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9084 * tree-ssa-pre.c (do_pre): Ditto.
9085 (execute_fre): Ditto.
9086 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9087 (rest_of_handle_jump2): Ditto.
9088 * tree-sra.c (tree_sra): Ditto.
9089 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9090 (execute_mudflap_function_decls): Ditto.
9091 * tree-ssa-copy.c (do_copy_prop): Ditto.
9092 (do_store_copy_prop): Ditto.
9093 * ipa-prop.h (ipcp_driver): Ditto.
9094 * cfglayout.c (insn_locators_initialize): Ditto.
9095 * tree-ssa-forwprop.c
9096 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9097 * cfglayout.h (insn_locators_initialize): Ditto.
9098 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9099 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9100 (execute_late_warn_uninitialized): Ditto.
9101 * rtl.h (cleanup_barriers): Ditto.
9102 (split_all_insns_noflow): Ditto.
9103 (purge_line_number_notes): Ditto.
9104 (unshare_all_rtl): Ditto.
9105 (remove_unnecessary_notes): Ditto.
9106 (recompute_reg_usage): Ditto.
9107 (variable_tracking_main): Ditto.
9108 * integrate.c (emit_initial_value_sets): Ditto.
9109 * integrate.h (emit_initial_value_sets): Ditto.
9110 * tree-optimize.c (execute_free_datastructures): Ditto
9111 (execute_free_cfg_annotations): Ditto.
9112 (execute_fixup_cfg): Ditto.
9113 (execute_cleanup_cfg_pre_ipa): Ditto.
9114 (execute_cleanup_cfg_post_optimizing): Ditto.
9115 (execute_init_datastructures): Ditto.
9116 * tree-object-size.c (compute_object_sizes): Ditto.
9117 * combine.c (rest_of_handle_combine): Ditto.
9118 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9119 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9120 (rest_of_handle_reorder_blocks): Ditto.
9121 (rest_of_handle_partition_blocks): Ditto.
9122 * var-tracking.c (variable_tracking_main): Ditto.
9123 * tree-profile.c (tree_profiling): Ditto.
9124 * tree-vect-generic.c (expand_vector_operations): Ditto.
9125 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9126 * sched-rgn.c (rest_of_handle_sched): Ditto.
9127 (rest_of_handle_sched2): Ditto.
9128 * basic-block.h (free_bb_insn): Ditto.
9129 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9130 * tree-cfg.c (execute_build_cfg): Ditto.
9131 (remove_useless_stmts): Ditto.
9132 (split_critical_edges): Ditto.
9133 (execute_warn_function_return): Ditto.
9134 (execute_warn_function_noreturn): Ditto.
9135 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9136 * cfgrtl.c (free_bb_for_insn): Ditto.
9137 * passes.c (execute_one_pass): Run additional
9138 todos returned by execute function.
9139 * tree-pass.h (struct tree_opt_pass): Make execute
9142 2006-03-02 Richard Guenther <rguenther@suse.de>
9144 * tree-ssa-alias.c (find_used_portions): Consider taking
9145 the address as making the variable not write-only.
9147 2006-03-02 Nick Clifton <nickc@redhat.com>
9149 * config.gcc (default_use_cxa_atexit): Extend the description of
9150 this configure variable. Set its default value to "yes" for
9151 Linux, NetBSD and ELF targets on the assumption that they will
9152 use C libraries with the __cxa_atexit function.
9154 2006-03-02 Ben Elliston <bje@au.ibm.com>
9156 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9157 parameter as unused to suppress a build warning.
9159 2006-03-02 Ben Elliston <bje@au.ibm.com>
9161 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9164 2006-03-01 Roger Sayle <roger@eyesopen.com>
9167 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9168 declared name, the weak reference name, and the typeof name.
9169 (__gthrw): Avoid expanding the declared name suffix.
9170 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9172 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9174 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9176 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9177 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9178 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9179 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9180 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9181 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9182 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9183 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9184 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9185 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9186 (DW_END_default, DW_END_big, DW_END_little): New.
9187 (DW_END_lo_user, DW_END_hi_user): Define.
9188 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9189 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9190 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9193 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9195 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9197 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9199 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9201 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9203 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9204 to 'symbol_mem_tag'.
9206 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9209 2006-03-01 Roger Sayle <roger@eyesopen.com>
9211 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9213 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9216 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9217 MACHO_DYNAMIC_NO_PIC_P.
9218 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9220 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9223 * config/darwin-protos.h (darwin_asm_output_anchor):
9225 * config/darwin-sections.def (cstring_section):
9226 Add SECTION_MERGE to the flags.
9227 (literal4_section): Likewise.
9228 (literal8_section): Likewise.
9229 (objc_selector_refs_section): Likewise.
9230 (objc_cls_refs_section): Likewise.
9231 * config/darwin.c (darwin_asm_output_anchor): New
9233 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9235 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9237 Fix PR tree-optimization/26443
9238 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9239 to todo and PROP_tmt_usage to properties_destroyed.
9240 * tree-ssa-ccp.c (pass_ccp): Ditto.
9241 (pass_store_ccp): Ditto.
9242 * tree-ssa-dom.c (pass_dominator): Ditto.
9244 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9246 * tree-ssa-operands.c: Cleanup whitespace.
9247 (get_asm_expr_operands): Move before first invocation.
9248 (get_indirect_ref_operands): Likewise.
9249 (get_tmr_operands): Likewise.
9250 (get_call_expr_operands): Likewise.
9251 (append_def): Likewise.
9252 (append_use): Likewise.
9253 (append_v_may_def): Likewise.
9254 (append_v_must_def): Likewise.
9255 (add_call_clobber_ops): Likewise.
9256 (add_call_read_ops): Likewise.
9257 (add_stmt_operand): Likewise.
9258 (add_virtual_operand): Likewise.
9259 (build_ssa_operands): Likewise.
9261 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9266 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9267 with a call expr to ...
9268 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9270 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9272 * tree-vrp.c (extract_range_from_assert): Remove special
9273 handling for types with super-types.
9275 2006-03-01 Ben Elliston <bje@au.ibm.com>
9277 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9278 and powerpc64-*-linux* configurations.
9279 * config/t-dfprules: New file.
9281 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9282 Compile dfp-bit.c from the source directory using -DWIDTH and
9283 $DFP_CFLAGS to control the compilation of that file, rather than
9284 generating width-specific versions in the build directory.
9285 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9286 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9288 2006-02-28 Zack Weinberg <zackw@panix.com>
9290 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9293 2006-02-28 Eric Christopher <echristo@apple.com>
9295 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9296 Set up IN_LIBGCC definition of TARGET_64BIT.
9297 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9299 2006-02-28 Roger Sayle <roger@eyesopen.com>
9302 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9303 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9304 cases via the construction of "expr != 0".
9306 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9308 * alias.c (alias_invariant, alias_invariant_size): Remove.
9309 (record_base_value): Remove.
9310 (memrefs_conflict_p): Don't look at alias_invariant.
9311 (end_alias_analysis): Don't free it.
9312 * alias.h (record_base_value): Remove prototype.
9314 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9315 Adam Nemet <anemet@caviumnetworks.com>
9317 * rtl.h (truncated_to_mode): Declare it.
9318 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9319 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9320 (RTL_HOOKS_INITIALIZER): Include it.
9321 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9322 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9323 reg_truncated_to_mode.
9324 * rtlanal.c (truncated_to_mode): Define it.
9325 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9327 2006-02-28 Jeff Law <law@redhat.com>
9329 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9330 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9331 the range allowed by TYPE_PRECISION.
9333 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9335 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9337 PR tree-optimization/26419
9338 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9341 2006-02-27 Zack Weinberg <zackw@panix.com>
9343 * doc/md.texi: Fix typo in previous change.
9345 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9349 2006-02-27 Zack Weinberg <zackw@panix.com>
9351 * rtl.def (define_constraint, define_register_constraint)
9352 (define_memory_constraint, define_address_constraint): New MD forms.
9353 * gensupport.c (process_rtx): Put define_constraint etc on the
9355 * genpreds.c (process_define_predicate): Adjust comment. Validate
9356 the name, and call validate_exp to validate the expression.
9357 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9358 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9359 all callers changed.
9360 (validate_exp, needs_variable, struct constraint_data)
9361 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9362 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9363 (const_dbl_constraints, constraint_max_namelen)
9364 (have_register_constraints, have_memory_constraints)
9365 (have_address_constraints, have_address_constraints)
9366 (have_extra_constraints, have_const_int_constraints)
9367 (have_const_dbl_constraints, mangle, add_constraint)
9368 (process_define_constraint, process_define_register_constraint)
9369 (write_enum_constraint_num, write_lookup_constraint)
9370 (write_insn_constraint_len, write_regclass_for_constraint)
9371 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9372 (write_insn_extra_memory_constraint)
9373 (write_insn_extra_address_constraint)
9374 (write_satisfies_constraint_fns): New.
9375 (write_tm_preds_h): If we have new-style constraint definitions,
9376 prototype the functions generated from them, and define the
9377 old constraint interface (still used by generic code) in terms of
9379 (write_insn_preds_c): If we have new-style constraint definitions,
9380 generate all relevant functions from those definitions.
9381 (main): Handle define_constraint etc.
9382 * genoutput.c (struct constraint_data, indep_constraints)
9383 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9384 (mdep_constraint_len): New data structures and functions, defined
9385 #ifdef USE_MD_CONSTRAINTS.
9386 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9387 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9388 use new logic to validate operand constraints against constraint
9390 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9392 * defaults.h: If none of the old-style constraint macros are
9393 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9394 old-style macros; and poison REG_CLASS_FROM_LETTER,
9395 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9397 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9398 * doc/md.texi: Document new constraint-definition mechanism and the
9399 C interface it provides. Remove references to old mechanism
9400 elsewhere in the document.
9401 (Machine Constraints): Use pathnames relative to gcc directory,
9402 i.e. config/ARCH/FILE. Change i386 section to refer to
9403 config/i386/predicates.md; update that section to match docstrings.
9404 * doc/tm.texi: Move all documentation of the old constraint-
9405 definition macros to their own section, clearly mark as obsolete.
9407 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9408 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9410 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9411 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9412 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9414 (splits and peepholes): Use satisfies_constraint_*.
9415 * config/i386/i386.c (memory_address_length)
9416 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9418 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9420 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9421 scalar operation to be put back into the loop.
9423 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9426 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9427 (extract_cie_info): Handle S flag in augmentation string.
9428 (execute_cfa_program): If context->signal_frame, execute also
9429 fs->pc == context->ra instructions.
9430 (uw_frame_state_for): If context->signal_frame, don't subtract one
9431 from context->ra to find FDE.
9432 (uw_update_context_1): Set context->signal_frame to
9434 (_Unwind_GetIPInfo): New function.
9435 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9436 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9438 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9439 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9440 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9441 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9442 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9443 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9444 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9445 x86_64_fallback_frame_state): Set fs->signal_frame.
9446 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9447 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9448 (frob_update_context): Likewise. Workaround missing S flag in
9449 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9450 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9451 Remove the psw_addr + 1 hack.
9453 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9455 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9456 with aggregates here.
9457 (find_func_aliases): Remove code for &<aggregate> from here.
9459 2006-02-26 Roger Sayle <roger@eyesopen.com>
9461 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9462 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9463 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9466 2006-02-26 Roger Sayle <roger@eyesopen.com>
9469 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9471 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9473 * opts.c (decode_options): Do not handle flag_strength_reduce.
9474 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9475 and OPT_fstrength_reduce.
9476 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9477 flag_prefetch_loop_arrays for being nonzero.
9478 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9480 (fprefetch-loop-arrays-rtl): Removed.
9481 (flag_prefetch_loop_arrays): Do not specify the value.
9483 * doc/passes.texi: Update documentation of loop optimizer
9485 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9486 -frerun-loop-opt): Remove.
9488 2006-02-26 Richard Guenther <rguenther@suse.de>
9490 PR tree-optimization/26421
9491 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9492 in function calls that are ADDR_EXPRs as using the whole structure.
9494 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9496 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9497 * tree-pass.h (pass_loop_optimize): Remove.
9498 * passes.c (pass_loop_optimize): Never run it.
9499 * toplev.c (backend_init): Don't call init_loop.
9500 * opts.c (flag_loop_optimize_set): Remove.
9501 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9502 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9503 the old RTL loop optimizer when profiling enabled.
9504 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9505 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9506 pre-headers for the sake of the old RTL loop optimizer.
9507 * Makefile.in: Remove all references to loop.o.
9509 * doc/invoke.texi: Remove all references to -floop-optimize
9510 and -frerun-loop-opt.
9512 2006-02-26 Zack Weinberg <zackw@panix.com>
9514 * doc/md.texi (Machine Constraints): Refer to all files with paths
9515 relative to gcc directory (i.e. config/CPU/file). Add missing
9516 @table @code ... @end table to M32C subsection.
9518 2006-02-26 Roger Sayle <roger@eyesopen.com>
9520 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9522 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9524 2006-02-26 Roger Sayle <roger@eyesopen.com>
9525 James A. Morrison <phython@gcc.gnu.org>
9528 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9529 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9530 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9531 signedness of the shift operation.
9533 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9535 PR tree-optimization/26359
9536 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9538 2006-02-25 Roger Sayle <roger@eyesopen.com>
9540 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9541 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9542 as X == 0, and some symmetry related transformations.
9543 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9545 2006-02-25 Roger Sayle <roger@eyesopen.com>
9548 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9549 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9550 symmetry related transformations. Fold (X^C1) == C2 as
9553 2006-02-25 Juergen Weigert <jw@suse.de>
9554 Richard Guenther <rguenther@suse.de>
9556 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9558 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9560 * combine.c (gen_lowpart_or_truncate): Call
9561 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9563 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9565 * doc/invoke.texi: Move -fopenmp description to "Options for
9567 Remove reference to -lgomp.
9569 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9571 * doc/install.texi: Require GNU tar version 1.14.
9573 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9575 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9576 * doc/invoke.texi (C++ Dialect Options): Document
9577 -fno-use-cxa-get-exception-ptr.
9578 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9579 * configure: Regenerate.
9580 * c.opt (fuse-cxa-get-exception-ptr): New.
9581 * c-opts.c (c_common_handle_option): Handle
9582 OPT_fuse_cxa_get_exception_ptr.
9583 * c-common.c (flag_use_cxa_atexit): Update documentation.
9584 (flag_use_cxa_get_exception_ptr): New.
9585 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9586 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9588 (C_COMMON_OVERRIDE_OPTIONS): New.
9590 2006-02-24 Roger Sayle <roger@eyesopen.com>
9593 * combine.c (try_combine): Explicitly check whether GET_CODE is
9594 a SET or a CLOBBER, instead on checking that it isn't a USE.
9596 2006-02-24 Roger Sayle <roger@eyesopen.com>
9598 * fold-const.c (fold_comparison): New subroutine of fold_binary
9599 containing transformations common to both the equality and
9600 ordering relational operators, factored out of fold_binary.
9601 (fold_binary): Separate out the equality operators (EQ_EXPR
9602 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9603 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9604 transformations common to both.
9605 (fold_div_compare): Fix latent bugs in the previously unreachable
9606 LT_EXPR and GE_EXPR cases.
9608 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9610 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9611 decl libname for clog to __clog on AIX.
9613 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9615 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9618 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9619 output traceback table for thunks. Localise rs6000_stack_info call.
9621 2006-02-23 Roger Sayle <roger@eyesopen.com>
9622 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9624 * gthr-posix.h (__gthrw): Fix typo in comment.
9626 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9628 * doc/cpp.texi (Character sets): Document that we do support
9629 input files to be in any character set.
9631 2006-02-23 Jeff Law <law@redhat.com>
9633 * tree.h (PHI_ARG_NONZERO): Remove.
9634 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9635 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9636 node to the new node.
9638 PR tree-optimization/26425
9639 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9640 min/max, then assume its varying.
9642 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9644 PR rtl-optimization/26316
9645 * rtlanal.c (enum may_trap_p_flags): New.
9646 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9647 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9648 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9649 (may_trap_after_code_motion_p): New function.
9650 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9651 (find_invariant_insn): Use may_trap_after_code_motion_p.
9652 * rtl.h (may_trap_after_code_motion_p): Declare.
9654 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9656 * emit-rtl.c (immed_double_const): Cleanup.
9658 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9660 Fix PR tree-optimization/26376
9661 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9664 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9667 * gimplify.c (omp_add_variable): Guard variable size decl test with
9668 DECL_SIZE (decl) check.
9670 2006-02-23 Richard Guenther <rguenther@suse.de>
9673 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9674 like aggregate types.
9676 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9678 * configure.ac: Add --with{,out}-long-double-128 configure option.
9679 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9680 * configure: Rebuilt.
9681 * config.in: Rebuilt.
9682 * doc/install.texi (Options specification): Document
9683 --with-long-double-128.
9685 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9686 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9687 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9688 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9690 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9692 * config/s390/s390.c (override_options): Handle
9693 TARGET_DEFAULT_LONG_DOUBLE_128.
9695 * config/alpha/alpha.c (override_options): Handle
9696 TARGET_DEFAULT_LONG_DOUBLE_128.
9698 * config/sparc/sparc.c (sparc_override_options): Handle
9699 TARGET_DEFAULT_LONG_DOUBLE_128.
9701 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9703 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9704 (real-install-headers-tar, real-install-headers-cpio)
9705 (real-install-headers-cp): New targets.
9707 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9709 * tree.h (variable_section): Delete.
9710 * varasm.c (variable_section): Delete.
9712 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9714 * install.texi: Add notes on install.texi2html.
9715 (Building in parallel): Do not use footnotes.
9717 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9720 * doc/install.texi (Configuration): Document --disable-libgomp.
9722 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9724 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9726 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9728 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9729 (vec_extractv2df_0_sse): New.
9731 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9733 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9734 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9735 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9736 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9737 to the result of the expression.
9738 (def_cfa_1): Adjust.
9739 (frame_pointer_cfa_offset): Rename to...
9740 (frame_pointer_fb_offset): ... this. Adjust all uses.
9741 (convert_cfa_to_loc_list): Rename to...
9742 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9743 Pass it on to build_cfa_loc.
9744 (compute_frame_pointer_to_cfa_displacement): Rename to...
9745 (compute_frame_pointer_to_fb_displacement): ... this. New
9746 offset parameter. Use it in computation.
9747 (gen_subprogram_die): Compute cfa_fb_offset with the new
9748 macro, and use it to compute the fb loc list and the
9751 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9753 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9754 replaced with register_operand.
9755 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9756 non-DREG is expensive.
9757 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9758 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9761 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9763 * doc/install.texi2html: Use set -e.
9765 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9767 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9768 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9769 * doc/invoke.texi (-fshared-data): Delete.
9770 * common.opt (fshared-data): Delete.
9771 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9772 (assemble_static_space): Remove #if 0 code.
9773 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9774 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9775 * config/cris/cris.h: Remove FIXME.
9777 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9779 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9782 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9785 * combine.c (simplify_shift_const_1): Disable nested shifts
9786 optimization for vector shifts.
9788 2006-02-20 Roger Sayle <roger@eyesopen.com>
9790 PR tree-optimization/26361
9791 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9792 of unsigned integer types.
9794 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9796 * tree-chrec.c (eq_evolutions_p): New.
9797 * tree-chrec.h (eq_evolutions_p): Declared.
9798 * tree-data-ref.c: Fix formatting.
9799 (datadep_stats, dependence_stats): New.
9801 (print_direction_vector): New.
9802 (dump_data_dependence_relation): Use print_direction_vector.
9803 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9804 (compute_subscript_distance): Static.
9805 (initialize_data_dependence_relation): Static. Get the number
9806 of loops surrounding the references from the callers, and initialize
9807 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9808 base_object_differ_p analyzers.
9809 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9810 compute_overlap_steps_for_affine_1_2,
9811 analyze_subscript_affine_affine): Count the classified dependences.
9812 Print a message when a test failed.
9813 (can_use_analyze_subscript_affine_affine): New.
9814 (analyze_siv_subscript): Compute the data dependences on symbolic
9815 scevs that verify can_use_analyze_subscript_affine_affine.
9816 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9817 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9818 Handle symbolic scevs.
9819 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9821 (subscript_dependence_tester): Moved...
9822 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9823 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9824 DDR_SIZE_VECT instead of getting it in parameter.
9825 (subscript_dependence_tester): ... here. Take as a parameter
9826 loop_nest_depth. Call build_classic_dist_vector and
9827 build_classic_dir_vector.
9828 (compute_affine_dependence): Update subscript_dependence_tester
9829 parameters. Update datadep_stats counters. Call
9830 compute_subscript_distance.
9831 (compute_self_dependence): Save the dist and dir vectors. Call
9832 compute_subscript_distance.
9833 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9834 (compute_all_dependences): Reorder parameters as they were before
9835 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9836 compute_subscript_distance. Update the use of
9837 compute_affine_dependence and initialize_data_dependence_relation.
9838 (find_data_references_in_loop): Handle COMPONENT_REF.
9839 (compute_data_dependences_for_loop): Initialize dependence_stats.
9840 Don't call build_classic_dist_vector and build_classic_dir_vector.
9841 Update the parameters of initialize_data_dependence_relation and
9842 compute_all_dependences. Print the statistics from datadep_stats.
9843 (analyze_all_data_dependences): Static. Not used until the pass for
9844 checking the data dependences is contributed.
9845 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9846 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9847 (initialize_data_dependence_relation, compute_affine_dependence,
9848 analyze_all_data_dependences, compute_subscript_distance): Removed.
9849 (print_direction_vector): New.
9850 * lambda.h (gcd): ... here.
9851 (lambda_vector_gcd): Moved here from gcd_vector.
9852 * lambda-code.c (gcd, gcd_vector): Removed.
9853 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9854 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9856 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9858 * ipa-type-escape.c: Tidy some comments and white space.
9859 * tree-ssa-operands.c: Likewise.
9861 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9864 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9865 (dump_decl_name): Do not walk the decl tree chains.
9866 * tree-pass.h (TDF_CHAIN): Remove.
9868 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9870 * Makefile.in (C): Remove
9872 (.PHONY): Remove C and PROTO
9874 2006-02-20 Roger Sayle <roger@eyesopen.com>
9877 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9878 deprecated CHAR_TYPE tree code.
9880 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9882 * configure.ac (target_list): Add install-info, dvi, html.
9883 * configure: Regenerate.
9885 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9886 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9887 treelang/Make-lang.in: Do not use double-colon rules.
9889 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9891 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9892 (TMT_USED_ALONE): New macro.
9893 * tree-pass.h (PROP_tmt_usage): New property.
9894 (TODO_update_tmt_usage): New todo.
9895 * tree-ssa-alias.c (updating_used_alone): New variable.
9896 (recalculate_used_alone): New function.
9897 (compute_may_aliases): Set updating_used_alone, call
9898 recalculate_used_alone.
9899 * tree-sra.c (pass_sra): Note that this pass destroys
9900 PROP_tmt_usage, and add TODO_update_tmt_usage.
9901 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9902 * tree-flow.h (updating_used_alone): Prototype.
9903 (recalculate_used_alone): Ditto.
9904 * passes.c (execute_todo): Add code to set updating_used_alone,
9905 and call recalculate.
9906 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9907 for clobber if used alone, and add assert to verify used_alone
9910 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9912 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9913 for non tls symbols added.
9914 (legitimize_address): Do nothing for PLUS expressions if one of the
9915 addends is a tls symbol reference.
9917 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9921 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9923 * Makefile.in (BOOTSTRAPPING): New.
9924 (quickstrap): New definition if BOOTSTRAPPING=yes.
9926 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9927 * configure.ac: Substitute all_selected_languages with the languages
9928 that were configured. For all the other variables except
9929 lang_specs_files, include all the languages in the tree.
9930 * configure: Regenerate.
9932 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9933 if there is one. Run the commands to run fixincludes in the same
9936 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9937 * doc/install.texi: Document exact conventions for searching target tools.
9938 Document --with-build-time-tools. Document toplevel bootstrap. Document
9939 something more about building an Ada cross-compiler. Don't list GNU Make
9940 requirements which affect all platforms.
9942 2006-02-19 Roger Sayle <roger@eyesopen.com>
9945 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9946 only equivalent if the have both the same mode and precision.
9948 2006-02-20 Ben Elliston <bje@au.ibm.com>
9950 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9952 2006-02-19 Roger Sayle <roger@eyesopen.com>
9953 Steven Bosscher <stevenb.gcc@gmail.com>
9955 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9956 constant pool references to identify stack mode constants.
9957 * rtlanal.c (constant_pool_constant_p): New predicate to check
9958 whether operand is a floating point constant in the pool.
9959 * rtl.h (constant_pool_constant_p): Prototype here.
9960 * loop.c (scan_loop): Avoid hoisting constants from the constant
9961 pool on STACK_REGS targets.
9962 (load_mems): Likewise.
9963 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9964 loads into x87 registers expensive in terms of register pressure.
9966 2006-02-19 Roger Sayle <roger@eyesopen.com>
9968 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9969 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9971 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9973 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9974 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9976 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9978 * doc/invoke.texi: Document -fipa-pta.
9979 * common.opt: Add ipa-pta option.
9980 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9981 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9982 (do_ds_constraint): Ditto.
9983 (get_constraint_for): Only add to referenced_vars if
9984 referenced_vars exists.
9985 (insert_into_field_list): Rewrite to do this unsorted.
9986 (insert_into_field_list_sorted): Rename old insert_into_field_list
9988 (create_function_info_for): Use insert_into_field_list_sorted.
9989 (create_variable_info_for): Rewrite so it uses unsorted version,
9990 since the field list is sorted.
9991 (intra_create_variable_infos): Only add to referenced_vars if
9992 referenced_vars exists.
9993 (ipa_pta_execute): Init heapvars, and delete when done.
9994 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9996 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9998 * doc/install.texi: Add missing `@samp'.
10000 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10002 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10005 2006-02-18 Mark Wielaard <mark@klomp.org>
10007 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10008 who added new 4.1 features, bug fixes and integration support.
10010 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10013 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10014 MEM for ABI_V4 pic.
10016 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10018 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10019 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10020 (copy_insn_1): Likewise. Don't copy each field individually.
10022 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10024 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10025 * rtl.c (rtx_size): Rename variable to...
10026 (rtx_code_size): ...this.
10027 (rtx_size): New function.
10028 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10029 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10031 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10032 * rtl.h (rtx_code_size): New variable.
10033 (rtx_size): Change from a variable to a function.
10034 (RTX_SIZE): Rename to...
10035 (RTX_CODE_SIZE): ...this.
10038 PR tree-optimization/17106
10039 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10040 (Anchored Addresses): New section.
10041 * doc/invoke.texi (-fsection-anchors): Document.
10042 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10043 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10044 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10045 * hooks.c (hook_bool_mode_rtx_false): New function.
10046 * hooks.h (hook_bool_mode_rtx_false): Declare.
10047 * gengtype.c (create_optional_field): New function.
10048 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10049 SYMBOL_REF_IN_BLOCK_P is true.
10050 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10051 (min_anchor_offset, max_anchor_offset): Likewise.
10052 (use_anchors_for_symbol_p): New hook.
10053 * toplev.c (compile_file): Call output_object_blocks.
10054 (target_supports_section_anchors_p): New function.
10055 (process_options): Check that -fsection-anchors is only used on
10056 targets that support it and when -funit-at-a-time is in effect.
10057 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10058 if the decl doesn't have one.
10059 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10060 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10061 of force_const_mem through use_anchored_address.
10062 (expand_expr_constant): New function.
10063 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10064 calling expand_expr for INDIRECT_REF.
10065 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10066 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10067 * expr.h (use_anchored_address): Declare.
10068 * loop-unroll.c: Don't declare rtx vectors here.
10069 * explow.c: Include output.h.
10070 (validize_mem): Call use_anchored_address.
10071 (use_anchored_address): New function.
10072 * common.opt (-fsection-anchors): New switch.
10073 * varasm.c (object_block_htab, anchor_labelno): New variables.
10074 (hash_section, object_block_entry_eq, object_block_entry_hash)
10075 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10076 (use_blocks_for_decl_p, change_symbol_section): New functions.
10077 (get_variable_section): New function, split out from assemble_variable.
10078 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10079 use_blocks_for_decl_p say so. Use change_symbol_section if the
10080 symbol has already been created.
10081 (assemble_variable_contents): New function, split out from...
10082 (assemble_variable): ...here. Don't output any code for
10083 block symbols; just pass them to place_block_symbol.
10084 Use get_variable_section and assemble_variable_contents.
10085 (get_constant_alignment, get_constant_section, get_constant_size): New
10086 functions, split from output_constant_def_contents.
10087 (build_constant_desc): Create a block symbol if use_object_blocks_p
10088 says so. Or into SYMBOL_REF_FLAGS.
10089 (assemble_constant_contents): New function, split from...
10090 (output_constant_def_contents): ...here. Don't output any code
10091 for block symbols; just pass them to place_section_symbol.
10092 Use get_constant_section and get_constant_alignment.
10093 (force_const_mem): Create a block symbol if use_object_blocks_p and
10094 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10095 (output_constant_pool_1): Add an explicit alignment argument.
10096 Don't switch sections here.
10097 (output_constant_pool): Adjust call to output_constant_pool_1.
10098 Switch sections here instead. Don't output anything for block symbols;
10099 just pass them to place_block_symbol.
10100 (init_varasm_once): Initialize object_block_htab.
10101 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10102 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10103 (place_block_symbol, get_section_anchor, output_object_block)
10104 (output_object_block_htab, output_object_blocks): New functions.
10105 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10106 (TARGET_ASM_OUT): Include it.
10107 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10108 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10109 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10110 (TARGET_INITIALIZER): Include them.
10111 * rtl.c (rtl_check_failed_block_symbol): New function.
10112 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10113 (block_symbol, object_block): New structures.
10114 (rtx_def): Add a block_symbol field to the union.
10115 (BLOCK_SYMBOL_CHECK): New macro.
10116 (rtl_check_failed_block_symbol): Declare.
10117 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10118 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10119 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10120 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10121 * output.h (output_section_symbols): Declare.
10122 (object_block): Name structure.
10123 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10124 (default_use_anchors_for_symbol_p): Declare.
10125 * Makefile.in (RTL_BASE_H): Add vec.h.
10126 (explow.o): Depend on output.h.
10127 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10128 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10129 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10130 (rs6000_use_blocks_for_constant_p): New function.
10132 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10134 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10136 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10139 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10142 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10144 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10148 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10150 PR middle-end/26334
10151 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10152 instead of DECL_REGISTER.
10154 2006-02-18 Olivier Hainque <hainque@adacore.com>
10157 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10159 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10162 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10163 * opth-gen.awk: Handle Var and InverseMask together.
10164 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10165 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10166 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10167 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10169 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10170 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10171 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10172 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10173 LINUX_DYNAMIC_LINKER): Define.
10174 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10175 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10177 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10178 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10179 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10180 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10181 (TARGET_C99_FUNCTIONS): Don't define.
10182 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10183 GLIBC_DYNAMIC_LINKER.
10184 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10185 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10186 GLIBC_DYNAMIC_LINKER64): Define.
10187 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10188 LINUX_DYNAMIC_LINKER64.
10189 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10190 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10191 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10192 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10193 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10194 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10195 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10196 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10197 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10198 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10199 and LINUX_DYNAMIC_LINKER32.
10200 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10201 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10202 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10203 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10204 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10206 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10207 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10208 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10209 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10210 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10211 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10212 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10213 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10214 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10215 LINUX_DYNAMIC_LINKER): Define.
10216 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10217 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10218 GLIBC_DYNAMIC_LINKER64): Define.
10219 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10220 LINUX_DYNAMIC_LINKER64.
10221 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10222 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10223 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10224 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10225 LINUX_DYNAMIC_LINKER): Define.
10226 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10227 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10228 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10229 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10230 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10231 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10232 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10233 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10234 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10235 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10236 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10237 * doc/invoke.texi (-muclibc): Remove caveat about supported
10240 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10242 * doc/cpp.texi (__TIMESTAMP__): Document.
10244 2006-02-17 Roger Sayle <roger@eyesopen.com>
10246 PR middle-end/25600
10247 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10248 C is one less than the width of X (and related transformations).
10249 * simplify-rtx.c (simplify_unary_operation_1): Transform
10250 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10251 depending on STORE_FLAG_VALUE, were C is one less then the
10254 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10256 Fix PR tree-optimization/26341
10257 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10258 about NAME_MEMORY_TAG's.
10260 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10263 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10264 with hardware float support, and software float support. Add fcpy
10265 alternative to hardware patterns. Add alternatives to copy between
10266 general and floating-point registers to the 32-bit pattern.
10267 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10268 secondary reload to load a QI or HI mode constant into a floating
10270 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10271 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10273 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10276 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10278 (load_macho_picbase_di): Likewise.
10280 2006-02-16 Jeff Law <law@redhat.com>
10282 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10283 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10284 (ssa_name_nonzero_p): Likewise.
10285 (get_value_range): Return NULL if VRP is not running.
10286 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10287 VRP routines do not discover a range.
10288 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10289 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10290 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10291 (tree_expr_nonnegative_p): Similarly.
10292 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10293 (restore_nonzero_vars_to_original_value): Remove.
10294 (unsafe_associative_fp_binop): Remove.
10295 (tree_ssa_dominator_optimize): Remove initialization and
10296 finalization of nonzero_vars and nonzero_vars_stack.
10297 (dom_opt_initialize_block): No longer push marker on
10298 nonzero_vars_stack.
10299 (dom_opt_finalize_block): No longer call
10300 restore_nonzero_vars_to_original_value.
10301 (record_equivalences_from_phis): No longer look for
10302 nonzero PHI arguments.
10303 (cprop_into_successor_phis): No longer propagate nonzero
10304 property into PHI arguments. Lose unused argument. Caller
10306 (record_equivalences_from_stmt): No longer record nonzero
10307 values for SSA_NAMEs.
10308 (lookup_avail_expr): No longer use nonzero_vars.
10310 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10311 for sizetype when sizetype is unsigned.
10313 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10315 PR rtl-optimization/25603
10316 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10317 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10318 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10319 with new meaning of SETS.
10321 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10326 * config/linux.opt: New file.
10327 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10328 LINUX_DYNAMIC_LINKER): Define.
10329 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10330 * config.gcc (*-*-linux*): Define extra_options.
10331 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10332 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10333 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10334 GLIBC_DYNAMIC_LINKER.
10335 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10336 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10337 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10338 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10339 * doc/invoke.texi (GNU/Linux Options): New section.
10341 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10343 * config/sparc/sparc.md (setjmp): Rewrite.
10344 (setjmp_32): Delete.
10345 (setjmp_64): Likewise.
10347 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10349 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10352 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10354 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10357 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10359 PR rtl-optimization/26296
10360 * Makefile.in (loop-invariant.c): Add except.h dependency.
10361 * loop-invariant.c: Include except.h.
10362 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10364 2005-02-16 Paul Brook <paul@codesourcery.com>
10366 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10369 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10371 PR rtl-optimization/25636
10372 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10373 when deciding whether an insn is an initializing insn.
10375 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10377 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10378 (tree_code_size): Ditto.
10379 * tree.h (struct tree_memory_tag): Remove parent_var.
10380 (struct tree_struct_field_tag): New.
10383 (union tree_node): Add sft member.
10384 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10386 (create_sft): Add size and offset argument, set SFT_OFFSET and
10388 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10389 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10390 * tree-flow-inline.h (get_subvar_at): Update for
10391 SFT_OFFSET/SFT_SIZE.
10392 (var_can_have_subvars): Ditto.
10393 (overlap_subvar): Ditto.
10394 * print-tree.c (print_node): Print out interesting things for
10396 * tree-flow.h (struct subvar): Remove offset and size members.
10397 * tree-ssa-operands.c (get_expr_operands): Update for
10398 get_indirect_ref_operands changes.
10399 (get_indirect_ref_operands): Call add_virtual_operand instead of
10400 add_stmt_operand. Only recurse on base var if requested.
10401 (access_can_touch_variable): New function.
10402 (add_stmt_operand): Split virtual operand handling into ...
10403 (add_virtual_operand): Here. Add offset, size, and for_clobber
10404 arguments. Prune alias sets.
10405 (add_call_clobber_ops): Call add_virtual_operand.
10407 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10409 PR middle-end/26300
10410 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10412 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10413 than TREE_CODE as index into omp_clause_num_ops array.
10415 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10417 PR rtl-optimization/26184
10418 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10420 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10421 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10422 must_precede, must_follow and tobe_scheduled.
10425 * opts.c (common_handle_option): Free new_option pointer.
10426 * df-core.c (df_analyze): Free postorder pointer.
10428 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10430 * Makefile.in: Fix the examples about the use of stamps
10432 2006-02-15 Michael Matz <matz@suse.de>
10434 PR middle-end/22275
10436 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10437 influenced by maximum_field_alignment or DECL_PACKED.
10438 (update_alignment_for_field): Ditto.
10439 (place_field): Ditto.
10440 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10443 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10445 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10446 (debug_flow_info): Pass it.
10447 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10448 * bb-reorder.c (reorder_basic_blocks): Likewise.
10449 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10450 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10451 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10452 * gcse.c (gcse_main, bypass_jumps): Likewise.
10453 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10454 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10455 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10456 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10457 * rtl.h (dump_flow_info): Adjust prototype.
10458 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10459 * var-tracking.c (variable_tracking_main): Likewise.
10460 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10461 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10464 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10466 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10469 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10471 PR tree-optimization/26209
10472 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10473 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10475 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10477 2006-02-14 Roger Sayle <roger@eyesopen.com>
10479 PR middle-end/23670
10480 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10481 (X,Y) and the corresponding symmetry related transformations.
10482 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10483 (X,Y) and its symmetry related transformations.
10485 2006-02-14 Roger Sayle <roger@eyesopen.com>
10487 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10490 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10492 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10494 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10497 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10498 support COMDAT group.
10499 * configure: Regenerate.
10501 2006-02-14 Roger Sayle <roger@eyesopen.com>
10503 PR middle-end/26279
10504 PR middle-end/26280
10505 PR middle-end/26283
10506 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10508 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10510 Fix PR tree-optimization/26260
10512 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10514 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10515 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10516 * tree-ssa-structalias.c (create_variable_info_for): Use
10517 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10519 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10521 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10523 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10524 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10525 of the ending condition.
10526 * tree-ssa-loop-manip.c: Include params.h.
10527 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10528 tree_unroll_loop): New functions.
10529 * tree-pass.h (pass_loop_prefetch): Declare.
10530 * loop.c (rest_of_handle_loop_optimize): Test for
10531 -fprefetch-loop-arrays-rtl.
10532 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10533 * timevar.def (TV_TREE_PREFETCH): New timevar.
10534 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10535 pass_loop_prefetch): New.
10536 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10537 (cleanup_tree_cfg_loop): Call scev_reset.
10538 * common.opt (fprefetch-loop-arrays-rtl): Add.
10539 * tree-ssa-loop-prefetch.c: New file.
10540 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10541 (new_temp_expr_table): Initialize expr_vars.
10542 (free_temp_expr_table): Cleanup expr_vars.
10543 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10544 expressions from being merged into one.
10545 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10546 (struct tree_niter_desc): Add control, bound and cmp fields.
10547 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10549 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10550 (tree-cfgcleanup.o): Add SCEV_H dependency.
10551 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10552 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10554 2006-02-14 Richard Guenther <rguenther@suse.de>
10556 PR tree-optimization/26258
10557 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10558 in PHI argument processing.
10560 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10562 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10563 new expression in the requested machine mode.
10565 2006-02-13 Roger Sayle <roger@eyesopen.com>
10567 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10568 directly, instead let do_compare_rtx_and_jump handle this for us.
10569 * expr.c (expand_expr_real_1): Likewise.
10570 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10571 before do_jump_by_parts_greater.
10572 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10573 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10575 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10577 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10579 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10581 PR rtl-optimization/26235
10582 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10583 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10586 2006-02-13 Jeff Law <law@redhat.com>
10588 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10591 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10593 PR middle-end/26092
10594 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10595 twice if decl is a builtin. When trying again, call get_callee_fndecl
10596 first to verify it is still a builtin.
10598 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10600 * dwarf2out.c (base_type_die): Don't add AT_name here.
10601 (subrange_type_die): Don't add AT_name here.
10602 (modified_type_die): Rearrange code flow. Do add AT_name here.
10604 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10606 PR rtl-optimization/26247
10607 PR rtl-optimization/26248
10608 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10610 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10612 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10613 * config/fixtfdi.c: Likewise.
10614 * config/fixunstfdi.c: Likewise.
10615 * config/floatditf.c: Likewise.
10617 2006-02-13 Roger Sayle <roger@eyesopen.com>
10619 PR middle-end/24427
10620 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10621 into (X,C2) if C1 is a subset of the bits of C2. Transform
10622 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10624 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10626 2006-02-13 Josh Conner <jconner@apple.com>
10629 * varasm.c (function_section): Check for section name before
10630 calling select_section on targets that define
10631 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10632 unlikely_text_section instead of hot_function_section if
10633 first_function_block_is_cold.
10635 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10637 PR middle-end/25335
10638 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10640 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10642 PR rtl-optimization/26222
10643 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10644 after tree->rtl expansion.
10645 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10646 before passing it to emit_move_insn.
10648 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10650 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10652 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10653 Clarify documentation.
10654 * c-common.h (warn_write_strings): Remove.
10655 * c-common.c (warn_write_strings): Likewise.
10656 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10659 2006-02-12 Roger Sayle <roger@eyesopen.com>
10661 PR middle-end/25724
10662 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10663 (do_jump_parts_zero_rtx): New function renamed from
10664 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10665 (do_jump_parts_equality_rtx): New function split out from
10666 do_jump_parts_equality. Old implementation renamed as above.
10667 Call do_jump_parts_zero_rtx if either operand is zero.
10668 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10669 do all of the heavy lifting.
10670 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10671 calling either do_jump_by_parts_greater_rtx or
10672 do_jump_by_parts_equality_rtx.
10673 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10674 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10675 moved to do_compare_rtx_and_jump, call it directly.
10676 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10677 mode argument. Call do_compare_rtx_and_jump.
10678 (emit_case_nodes): Update calls to do_jump_if_equal.
10680 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10682 PR rtl-optimization/26225
10683 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10685 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10687 PR rtl-optimization/26232
10688 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10690 2006-02-11 Jason Merrill <jason@redhat.com>
10693 * tree-inline.c (declare_return_variable): Just don't use the
10694 modify target if it's a gimple complex reg and the return slot
10697 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10699 * doc/contrib.texi: Update my entry.
10701 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10703 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10705 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10707 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10710 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10712 * doc/invoke.texi (-floop-optimize2): Removed.
10713 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10714 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10715 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10716 * common.opt (floop-optimize2): Removed.
10717 (fmove-loop-invariants): Enabled by default.
10719 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10721 * tree-if-conv.c (combine_blocks): Free the result of
10722 get_loop_exit_edges.
10724 2006-02-10 Jeff Law <law@redhat.com>
10726 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10728 PR tree-optimization/26213
10729 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10730 loop trying to follow SSA_NAME_VALUE chains.
10732 2006-02-10 Richard Guenther <rguenther@suse.de>
10734 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10735 deal with structures that end in implicitly variable sized arrays.
10737 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10739 PR rtl-optimization/24762
10740 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10743 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10745 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10746 (struct ivopts_data): Add regs_used field.
10747 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10748 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10749 instead of loop_data->regs_used;
10750 (free_loop_data): Do not free aux fields for loops.
10751 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10752 and tree_ssa_iv_optimize_finalize.
10754 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10756 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10758 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10761 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10762 computing the effective result type.
10764 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10766 PR inline-asm/16194
10767 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10768 (tree_overlaps_hard_reg_set): Declare.
10769 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10770 type and signature to match function type expected by walk_tree.
10771 (tree_overlaps_hard_reg_set): New function.
10772 (decl_conflicts_with_clobbers_p): Rename to:
10773 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10774 Use tree_overlaps_hard_reg_set. Changed caller.
10775 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10776 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10777 * cris.c (cris_md_asm_clobbers): Likewise.
10779 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10781 * reload1.c (emit_input_reload_insns): Delete code that tries to
10782 inherit using find_equiv_reg.
10784 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10786 * c-common.h (flag_const_strings): Don't declare.
10787 * c-common.c (flag_const_strings): Remove.
10788 * c.opt (fconst_strings): Remove.
10789 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10790 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10791 (c_common_init_options): Don't set flag_const_strings.
10792 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10794 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10796 * arm.md (tlobits_cbranch): New pattern.
10797 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10798 testing a single bit.
10800 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10803 * tree-ssa-pre.c (create_component_ref_by_pieces):
10804 Handle RETURN_DECL like VAR_DECL.
10806 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10808 PR middle-end/26134
10809 * fold-const.c (fold_indirect_ref_1): Fold
10810 "*(foo *)&complexfoo" to "__real__ complexfoo"
10811 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10813 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10815 * tree-flow-inline.h (var_can_have_subvars):
10816 Volatile variables should not have subvariables.
10818 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10821 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10822 multiplying unsigned values.
10825 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10827 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10829 2006-02-08 Jason Merrill <jason@redhat.com>
10832 * tree.def: Elaborate on difference from MODIFY_EXPR.
10833 * doc/c-tree.texi (INIT_EXPR): Likewise.
10834 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10835 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10836 (gimplify_target_expr): Likewise.
10837 (gimplify_cond_expr): Remove target handling.
10838 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10839 (gimplify_expr): Clobber it here.
10840 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10841 Do return slot optimization if we have an INIT_EXPR.
10844 * tree-inline.c (declare_return_variable): Also clear
10845 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10848 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10850 PR middle-end/22439
10851 * gimplify.c (gimplify_one_sizepos): Fix typo.
10853 2006-02-08 Jeff Law <law@redhat.com>
10855 PR tree-optimization/21417
10856 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10857 across a backedge if the control statement at the end of the
10858 block is data dependent on other statements in the same block.
10859 (record_temporary_equivalences_from_stmts): Remove over-conservative
10860 test for threading across backedges.
10862 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10863 control statement, handle all three special cases in the same
10864 manner as they all have the same desired solution. No longer
10865 special case edge flag updating when the post dominator is
10868 2006-02-08 Roger Sayle <roger@eyesopen.com>
10870 * tree.def (CHAR_TYPE): Remove.
10871 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10872 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10873 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10874 (gen_string_type_die): Delete unreachable function.
10876 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10877 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10878 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10879 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10880 * builtins.c (type_to_class): Likewise.
10881 * fold-const.c (fold_convert, build_range_check,
10882 merge_ranges): Likewise.
10883 * expr.c (count_type_elements): Likewise.
10884 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10885 * stor-layout.c (layout_type): Likewise.
10886 * ipa-type-escape.c (type_to_consider): Likewise.
10887 * gimplify.c (omp_firstprivatize_type_sizes,
10888 gimplify_type_sizes): Likewise.
10889 * explow.c (promote_mode): Likewise.
10890 * tree-sra.c (is_sra_scalar_type): Likewise.
10891 * varasm.c (output_constant): Likewise.
10892 * tree-inline.c (remap_type_1): Likewise.
10893 * convert.c (convert_to_pointer, convert_to_real,
10894 convert_to_integer, convert_to_complex): Likewise.
10896 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10898 * df-scan.c (df_def_record_1): A set destination may
10899 be a parallel regardless of mode.
10901 2006-02-08 Roger Sayle <roger@eyesopen.com>
10904 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10905 * config/mips/_tilib.c: Remove.
10906 * config/fixtfdi.c: New libgcc source file.
10907 * config/fixunstfdi.c: New source file.
10908 * config/floatditf.c: New source file.
10909 * config/floatunditf.c: New souce file.
10910 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10911 files above instead of config/mips/_tilib.c.
10912 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10914 2006-02-08 Jeff Law <law@redhat.com>
10916 PR tree-optimization/26169
10917 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10920 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10922 * df.h (DF_REG_SIZE): Return the length of the initialized
10925 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10927 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10928 __muldf3): Return a correctly signed zero.
10930 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10932 * passes.c (register_one_dump_file): Accept the current properties
10933 instead of pass number. Adjust call to dump_register. Remove
10935 (register_dump_files): Now a wrapper around...
10936 (register_dump_files_1): ... this one. Do not modify the pass
10938 (next_pass_1): Cosmetic fix.
10939 (execute_todo): Keep second parameter only. Use curr_properties
10940 instead of fetching it from the pass structure. Check and set
10942 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10943 instead of fetching it from the pass structure. Fix calls to
10944 execute_todo. Update curr_properties and initialize .vcg RTL dump
10945 after running the pass. Reset last_verified.
10946 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10948 (FIRST_AUTO_NUMBERED_DUMP): New.
10949 (dump_register): Remove "num" parameter, assign it within the
10951 (get_dump_file_name): Modify template for dumps.
10952 * tree-dump.h (dump_register): Adjust prototype.
10953 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10954 (PROP_trees): Add PROP_gimple_lomp.
10955 (TODO_set_props): New.
10956 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10957 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10958 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10960 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10962 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10963 (sparc64-*-linux*): Likewise.
10964 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10965 * config/sparc/t-linux: New file.
10966 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10967 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10968 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10969 -m32 -mlong-double-128.
10971 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10972 * config/alpha/t-linux: New file.
10973 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10975 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10976 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10977 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10978 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10979 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10980 (CPP_ARCH32_SPEC): Remove.
10982 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10984 PR tree-optimization/26145
10985 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10988 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10991 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10992 >= 240000 when generating code for SOM runtime.
10993 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10994 to $$dyncall when generating code for SOM runtime..
10996 2006-02-07 Dirk Mueller <dmueller@suse.com>
10999 * doc/invoke.texi (-Wsequence-point): Update documentation
11000 that -Wsequence-point is implemented for C++ as well.
11002 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11004 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11005 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11006 (LIB_SPEC): Likewise.
11007 * doc/invoke.texi (SPARC options): Document -pthread.
11009 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11011 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11014 2006-02-07 Roger Sayle <roger@eyesopen.com>
11016 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11017 Correct comment describing BOOLEAN_TYPE.
11019 2006-02-07 Dirk Mueller <dmueller@suse.com>
11021 * c.opt: C++ frontend supports -Wdiv-by-zero.
11022 * c-opts.c (c_common_handle_option): Remove dead case.
11024 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11026 * configure.ac (TLS assembler check): Do not enable TLS by
11027 default on SPARC/Solaris before version 10.
11028 * configure: Regenerate.
11030 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11032 * doc/invoke.texi (xl-compat): Document conversion and support
11035 2006-02-07 Jeff Law <law@redhat.com>
11037 * tree-vrp.c (find_conditional_asserts): Update comments.
11038 (simplify_stmt_for_jump_threading): New.
11039 (identify_jump_threads, finalize_jump_threads): New.
11040 (vrp_finalize): Call identify_jump_threads.
11041 (execute_vrp): Call finalize_jump_threads.
11042 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11043 (vrp_element, vrp_data, vrp_element_p): Remove.
11044 (vrp_hash_elt, vrp_variables_stack): Remove.
11045 (vrp_hash, vrp_eq, record_range): Remove.
11046 (simplify_cond_and_lookup_avail_expr): Remove.
11047 (extract_range_from_cond): Remove.
11048 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11049 (simplify_stmt_for_jump_threading): New.
11050 (dom_thread_across_edge): New wrapper.
11051 (tree_ssa_dominator_optimize): No longer initialize or
11052 finalize any of the VRP datastructures. Remove iteration
11053 step and simplify as a result of removal of iteration step.
11054 (pass_dominator): Perform a cfg cleanup after DOM.
11055 (dom_opt_finalize_block): Use the new common routines
11056 for threading jumps. Simplify stack management slightly.
11057 No longer need to unwind VRP state.
11058 (record_equivalences_from_incoming_edge): No longer record
11060 (eliminate_redundant_computations): No longer call
11061 simplify_cond_and_lookup_avail_expr.
11062 * tree-flow.h (potentially_threadable_block): Prototype.
11063 (thread_across_edge): Likewise.
11064 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11065 (tree-ssa-threadedge.o): Add dependencies.
11066 * tree-ssa-threadedge.c: New file.
11067 * passes.c (init_optimization_passes): Merge PHIs before
11068 calling VRP. Run VRP again late in the SSA optimization pipeline.
11070 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11072 * df-core.c (df_set_blocks): Do not dereference function pointers.
11073 (df_finish1): Likewise.
11074 (df_hybrid_search_forward): Likewise.
11075 (df_hybrid_search_backward): Likewise.
11076 (df_iterative_dataflow): Likewise.
11077 (df_analyze_problem): Likewise.
11078 (df_compact_blocks): Likewise.
11079 (df_dump): Likewise.
11080 * df-scan.c (df_rescan_blocks): Likewise.
11081 (df_record_entry_block_defs): Likewise.
11083 * genconditions.c (write_conditions): Guard the definition of
11084 'insn_conditions' with the check on GCC version.
11085 (write_writer): Guard the traversal 'insn_conditions' with
11086 the check on GCC version.
11088 2006-02-07 Richard Guenther <rguenther@suse.de>
11092 2006-01-30 Richard Guenther <rguenther@suse.de>
11094 * gimplify.c (gimplify_target_expr): Handle easy cases
11095 without creating a temporary.
11097 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11099 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11100 use of float in probability computations. Use edge probabilities
11101 in place of statically computed probabilities.
11102 (min_spec_prob): New static variable.
11103 (schedule_insns): Initialize it.
11104 (GET_SRC_PROB): Removed.
11105 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11107 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11110 * config/ia64/unwind-ia64.c: Revert last change.
11111 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11112 (INCOMING_FRAME_SP_OFFSET): Define.
11114 2006-02-06 Roger Sayle <roger@eyesopen.com>
11116 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11118 2006-02-07 Ben Elliston <bje@au.ibm.com>
11120 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11121 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11122 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11123 (ix86_return_in_memory): Handle TDmode.
11124 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11125 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11127 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11129 * reorg.c (dbr_schedule): Use dump_file instead of file.
11131 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11134 * config/ia64/predicates.md (extr_len_operand): New predicate.
11135 * config/ia64/ia64.md (extv): Tighten constraints.
11137 (*tbit_and_2): Ditto.
11138 (*tbit_and_3): Ditto.
11139 (*tbit_or_2): Ditto.
11140 (*tbit_or_3): Ditto.
11141 (*bit_zero): Ditto.
11144 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11147 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11149 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11151 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11152 loop_optimizer_init and loop_optimizer_finalize
11153 * tree-ssa-sink.c (execute_sink_code): Ditto.
11154 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11155 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11156 tree_ssa_loop_done): Ditto.
11157 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11158 * sched-ebb.c: Include output.h.
11159 (schedule_ebbs): Do not use dump argument.
11160 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11161 * loop.c (loop_dump_stream): Removed.
11162 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11164 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11165 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11166 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11167 loop_iterations, strength_reduce, record_biv, record_giv,
11168 final_giv_value, check_final_value, check_ext_dependent_givs,
11169 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11170 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11171 dump_file instead of loop_dump_stream.
11172 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11173 argument dump_file.
11174 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11176 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11177 * haifa-sched.c: Include output.h
11178 (schedule_insns, sched_init): Do not use dump argument.
11179 * mode-switching.c (optimize_mode_switching): Ditto.
11180 * modulo-sched.c (stats_file): Removed.
11181 (print_node_sched_params): Do not call argument dump_file.
11182 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11183 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11185 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11187 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11188 rtl_loop_init, rtl_loop_done): Ditto.
11189 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11190 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11192 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11193 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11194 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11195 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11196 * emit-rtl.c (renumber_insns): Ditto.
11197 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11198 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11199 * regclass.c (regclass): Ditto.
11200 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11201 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11202 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11203 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11205 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11206 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11208 * gcse.c (gcse_file, debug_stderr): Removed.
11209 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11210 rest_of_handle_gcse): Do not use dump argument.
11211 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11212 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11213 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11214 compute_code_hoist_vbeinout, compute_code_hoist_data,
11215 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11216 compute_store_table, build_store_vectors, insert_insn_start_bb,
11217 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11218 store_motion): Use dump_file instead of gcse_file.
11219 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11220 * profile.c (profile_dump_file): Removed.
11221 (branch_prob): Use dump_file instead of profile_dump_file.
11222 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11224 * tree-ssa-copy.c (dump_copy_of): Ditto.
11225 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11226 dump file to life_analysis.
11227 * bt-load.c (branch_target_load_optimize): Ditto.
11228 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11230 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11231 regclass, dbr_schedule): Declaration changed.
11232 * sched-int.h (sched_init): Declaration changed.
11233 * tree-profile.c (tree_profile_dump_file): Removed.
11234 (tree_profile_hooks): Removed profile_dump_file hook.
11235 * rtl-profile (rtl_profile_dump_file): Removed.
11236 (rtl_profile_hooks): emoved profile_dump_file hook.
11237 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11239 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11240 * tree-cfg.c (build_tree_cfg): Ditto.
11241 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11242 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11243 Declaration changed.
11244 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11245 life_analysis and schedule_insns.
11246 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11248 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11250 * config/mips/mips.c (mips_reorg): Ditto.
11251 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11254 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11256 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11257 (s390_mangle_fundamental_type): New.
11258 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11261 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11262 (alpha_mangle_fundamental_type): New.
11263 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11266 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11268 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11270 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11271 (sparc_mangle_fundamental_type): New.
11273 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11275 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11276 (s390x-*-linux*): Likewise.
11277 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11278 * config/s390/t-linux: New file.
11280 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11282 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11283 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11285 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11287 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11288 (ANTIC_SAFE_LOADS): New macro.
11289 (find_or_generate_expression): Add prototype.
11290 (set_contains_value): Allow null set for sake of not always having
11291 to allocate ANTIC_SAFE_LOADS.
11292 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11293 Allow COMPONENT_REF too.
11294 (valid_in_set): Allow COMPONENT_REF.
11295 Check ANTIC_SAFE_LOADS too.
11296 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11297 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11299 (can_PRE_operation): Add COMPONENT_REF.
11300 (create_component_ref_by_pieces): New function.
11301 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11302 (insert_aux): Move AGGREGATE_TYPE_P check here.
11303 (compute_avail): Set bb local stmt uids.
11304 (pass_pre): Use TODO_update_ssa_only_virtuals.
11306 2006-02-06 Ben Elliston <bje@au.ibm.com>
11308 * configure.ac: Unconditionally disable decimal float by default.
11309 * configure: Regenerate.
11311 2006-02-06 Ben Elliston <bje@au.ibm.com>
11313 * read-rtl.c (read_name): Terminate reading on EOF.
11315 2006-02-06 Ben Elliston <bje@au.ibm.com>
11317 * dfp.c (decimal_real_arithmetic): Change second argument type
11318 from int to enum tree_code. Do not always return true, but now
11319 return result of any call to decimal_do helper functions.
11320 * dfp.h (decimal_real_arithmetic): Update prototype.
11322 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11324 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11326 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11329 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11332 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11334 * tree-vrp.c (cfg_loops): Removed.
11335 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11336 Use current_loops instead of cfg_loops. Pass flags to
11337 loop_optimizer_init.
11338 * cfgloopmanip.c (fix_loop_structure): Update only available
11340 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11341 loop_optimizer_init.
11342 * modulo-sched.c (build_loops_structure): Removed.
11343 (sms_schedule): Use loop_optimizer_init.
11344 * loop-init.c (loop_optimizer_init): Use flags to determine
11345 which properties of loops to prepare.
11346 (rtl_loop_init): Pass flags to loop_optimizer_init.
11347 * tree-ssa-sink.c (execute_sink_code): Ditto.
11348 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11349 * tree-ssa-pre.c (init_pre): Ditto.
11350 * cfgloop.h (LOOPS_NORMAL): New.
11351 (loop_optimizer_init): Declaration changed.
11353 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11355 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11356 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11358 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11360 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11362 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11363 * pa/t-pa64: Delete quadlib.c rule.
11364 * pa/x-ada: Revert last change.
11365 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11367 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11369 PR rtl-optimization/26087
11370 * rtlanal.c (canonicalize_condition): Do not cross basic block
11373 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11376 * config/ia64/ia64.c: Include debug.h.
11377 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11378 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11379 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11380 (process_epilogue, process_set, process_for_unwind_directive):
11381 Output unwind info only if requested. Add CFA info if requested.
11382 Add new arguments as needed. Adjust callers.
11383 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11385 (DWARF2_FRAME_INFO): Define to zero.
11386 * config/ia64/unwind-ia64.c: Remove code that compensated for
11387 the CFA offset error fixed above.
11388 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11389 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11390 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11391 -funwind-tables and -fexceptions to enable frame info.
11392 (dwarf2out_frame_init): Define initial CFA even if
11393 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11394 DWARF2_UNWIND_INFO is nonzero, not just defined.
11395 (dwarf2out_frame_finish): Output non-EH call frame info only
11396 if DWARF2_FRAME_INFO is nonzero.
11397 (convert_cfa_to_loc_list,
11398 compute_frame_pointer_to_cfa_displacement): Define even if
11399 unwind info is not supported.
11400 (gen_subprogram_die): Use the above unconditionally. Remove
11401 legacy alternate code.
11402 * toplev.c (compile_file): Compile in call to
11403 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11404 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11406 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11407 Jakub Jelinek <jakub@redhat.com>
11409 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11410 IBM extended float format long double as "g" on powerpc*-linux.
11412 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11415 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11416 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11418 2006-02-03 Jason Merrill <jason@redhat.com>
11421 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11423 PR middle-end/25977
11424 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11425 on the return slot if it's an NRV.
11427 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11429 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11430 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11431 rewrite_use): Do not handle USE_OUTER.
11432 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11433 add_iv_outer_candidates, may_replace_final_value,
11434 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11435 (find_interesting_uses_op): Functionality of
11436 find_interesting_uses_outer_or_nonlin moved here.
11437 (find_interesting_uses_outside): Use find_interesting_uses_op.
11439 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11442 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11444 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11445 Ulrich Weigand <uweigand@de.ibm.com>
11448 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11449 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11450 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11451 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11453 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11454 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11455 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11456 Define secondary reloads for TFmode moves.
11457 (constant_modes): Add TFmode.
11458 (NR_C_MODES): Set to 8.
11459 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11461 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11462 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11463 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11464 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11465 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11466 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11467 (FPR mode macro): Add TFmode.
11468 (DSF mode macro): New.
11469 (<de>, <dee> mode attributes): Removed.
11470 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11471 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11472 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11473 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11474 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11475 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11476 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11477 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11478 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11479 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11480 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11481 "*negabs<mode>2", "sqrt<mode>2"):
11482 Changed <de> to <xde>. R constraint replaced by <Rf>.
11483 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11485 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11486 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11487 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11489 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11490 "extenddftf2", "extendsftf2"): New expanders.
11491 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11492 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11493 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11494 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11496 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11497 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11498 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11499 __floatditf): Add a GCC_4.1.0 symbol version tag.
11500 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11503 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11506 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11507 Use targetm.binds_local_p instead of TREE_PUBLIC.
11509 2006-02-02 Roger Sayle <roger@eyesopen.com>
11511 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11512 on INTEGER_TYPEs to indicate that it denotes a character type.
11513 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11514 signed_char_type_node, unsigned_char_type_node and char_type_node.
11515 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11516 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11517 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11519 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11520 Daniel Berlin <dberlin@dberlin.org>
11522 * tree-tailcall.c (arg_needs_copy_p): New function.
11523 (eliminate_tail_call): Use arg_needs_copy_p.
11524 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11525 (add_virtual_phis): New function.
11527 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11529 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11530 #ignore instead of #scratch for %g7 .register directive.
11532 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11534 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11537 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11539 * flow.c (calculate_global_regs_live): Assert that there aren't any
11542 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11544 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11545 what its name says.
11546 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11547 bsi_after_labels iterator.
11548 * tree-if-conv.c (find_phi_replacement_condition,
11549 replace_phi_with_cond_modify_expr): Likewise.
11550 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11551 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11553 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11555 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11557 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11560 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11561 array after growing it.
11563 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11565 PR middle-end/24901
11566 * fold-const.c (fold_checksum_tree): Change type of buf.
11568 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11570 * reload.c (push_secondary_reload): Initialize t_icode.
11572 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11574 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11575 -msoft-float -mlong-double-128 only issue a warning, but don't
11576 swich to DFmode long double.
11578 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11580 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11581 has a constant equivalent, iterate over equivalents for arg0,
11582 calling simplify_relational_operation and if there's a result
11583 cheaper than X, apply fold_rtx and return the result.
11585 2006-02-01 Jan Hubicka <jh@suse.cz>
11587 * opts.c (no_unit_at_a_time_default): New global variable.
11588 (decode_options): Use it.
11589 * opts.h (no_unit_at_a_time_default): Declare.
11591 2006-02-01 Paul Brook <paul@codesourcery.com>
11593 * function.c (assign_parm_setup_reg): Use function argument promotion
11595 * expr.c (expand_expr_real_1): Use function argument promotion rules
11598 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11600 * gcc.c (process_command): Change j to 'unsigned int'.
11602 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11604 PR middle-end/26001
11605 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11606 Use the corrected index for the character
11607 out of the string constant.
11609 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11611 * mode-switching.c (optimize_mode_switching): Fix size
11612 allocated for bb_info[n_entities].
11614 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11616 * gcc.c (main): Correct type that is allocated for
11617 explicit_link_files.
11619 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11621 * config/s390/s390.c (init_alignment_context): Set
11622 ALIAS_SET_MEMORY_BARRIER on the MEM.
11623 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11625 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11627 PR middle-end/25933
11628 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11630 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11633 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11635 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11636 * regrename.c: Ditto.
11637 * tree-ssa-loop-im.c: Ditto.
11638 * tree-dump.c: Ditto.
11639 * tree-complex.c: Ditto.
11640 * genrecog.c: Ditto.
11641 * tree-ssa-threadupdate.c: Ditto.
11643 * java/class.c: Ditto.
11644 * java/jcf-parse.c: Ditto.
11645 * java/resource.c: Ditto.
11646 * java/except.c: Ditto.
11647 * java/jvspec.c: Ditto.
11648 * java/jcf-write.c: Ditto.
11649 * java/jcf-path.c: Ditto.
11650 * java/gjavah.c: Ditto.
11651 * java/zextract.c: Ditto.
11652 * java/jcf-io.c: Ditto.
11653 * java/jcf.h: Ditto.
11654 * java/buffer.c: Ditto.
11655 * java/lang.c: Ditto.
11656 * java/parse-scan.y: Ditto.
11657 * java/lex.c: Ditto.
11658 * java/lex.h: Ditto.
11659 * cfgloopmanip.c: Ditto.
11660 * postreload-gcse.c: Ditto.
11661 * tree-ssa-loop-manip.c: Ditto.
11662 * postreload.c: Ditto.
11663 * tree-ssa-loop-ch.c: Ditto.
11666 * cppspec.c: Ditto.
11667 * diagnostic.c: Ditto.
11669 * genoutput.c: Ditto.
11671 * cfghooks.c: Ditto.
11672 * cfgloopanal.c: Ditto.
11673 * objc/objc-act.c: Ditto.
11675 * genextract.c: Ditto.
11676 * genautomata.c: Ditto.
11677 * pretty-print.c: Ditto.
11678 * genemit.c: Ditto.
11679 * cgraphunit.c: Ditto.
11681 * df-scan.c: Ditto.
11682 * haifa-sched.c: Ditto.
11683 * dominance.c: Ditto.
11685 * tree-ssa-loop-ivopts.c: Ditto.
11686 * df-core.c: Ditto.
11687 * mode-switching.c: Ditto.
11688 * modulo-sched.c: Ditto.
11690 * ipa-pure-const.c: Ditto.
11692 * fix-header.c: Ditto.
11694 * tree-stdarg.c: Ditto.
11695 * ipa-utils.c: Ditto.
11696 * loop-init.c: Ditto.
11697 * ipa-inline.c: Ditto.
11698 * cfganal.c: Ditto.
11700 * alloc-pool.c: Ditto.
11701 * dwarf2out.c: Ditto.
11703 * genattrtab.c: Ditto.
11704 * tree-ssa-loop-ivcanon.c: Ditto.
11705 * predict.c: Ditto.
11706 * timevar.c: Ditto.
11708 * fortran/gfortranspec.c: Ditto.
11709 * regmove.c: Ditto.
11710 * local-alloc.c: Ditto.
11711 * langhooks.c: Ditto.
11712 * function.c: Ditto.
11713 * tree-vectorizer.c: Ditto.
11715 * ipa-type-escape.c: Ditto.
11717 * tree-if-conv.c: Ditto.
11718 * profile.c: Ditto.
11720 * tree-data-ref.c: Ditto.
11721 * loop-unroll.c: Ditto.
11722 * treelang/treetree.c: Ditto.
11724 * bt-load.c: Ditto.
11725 * ggc-common.c: Ditto.
11727 * coverage.c: Ditto.
11729 * tree-cfgcleanup.c: Ditto.
11730 * tree-ssa-pre.c: Ditto.
11731 * cfgcleanup.c: Ditto.
11732 * loop-invariant.c: Ditto.
11733 * loop-iv.c: Ditto.
11734 * ipa-prop.c: Ditto.
11735 * print-tree.c: Ditto.
11736 * conflict.c: Ditto.
11737 * ggc-page.c: Ditto.
11738 * sched-deps.c: Ditto.
11739 * regclass.c: Ditto.
11740 * tree-object-size.c: Ditto.
11741 * combine.c: Ditto.
11742 * bb-reorder.c: Ditto.
11743 * resource.c: Ditto.
11744 * var-tracking.c: Ditto.
11745 * cfgloop.c: Ditto.
11746 * df-problems.c: Ditto.
11747 * reg-stack.c: Ditto.
11749 * gccspec.c: Ditto.
11750 * sched-rgn.c: Ditto.
11751 * tree-ssa-structalias.c: Ditto.
11752 * tree-ssa-reassoc.c: Ditto.
11753 * config/darwin-c.c: Ditto.
11754 * config/darwin.c: Ditto.
11755 * config/arm/arm.c: Ditto.
11757 * collect2.c: Ditto.
11758 * reload1.c: Ditto.
11760 2006-01-31 Nicolas Pitre <nico@cam.org>
11762 * arm.md (smaxsi3): Make aware of smax_m1.
11765 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11767 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11769 2006-01-31 Richard Guenther <rguenther@suse.de>
11771 * doc/invoke.texi (-msselibm): Document.
11772 * target.h (expand_library_builtin): New target hook.
11773 * builtins.c (expand_builtin): Use expand_library_builtin.
11774 (default_expand_library_builtin): New function.
11775 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11776 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11777 (link_gcc_math_spec): Declare.
11778 (static_specs): Add link_gcc_math_spec.
11779 * expr.h (default_expand_library_builtin): Declare.
11780 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11781 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11782 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11783 * config/i386/i386.opt (msselibm): New target option.
11784 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11785 (ix86_init_sse_abi_builtins): New function.
11786 (ix86_expand_library_builtin): Likewise.
11787 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11788 (override_options): Handle error conditions wrt -msselibm.
11789 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11790 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11791 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11794 2006-01-31 Richard Guenther <rguenther@suse.de>
11795 Paolo Bonzini <bonzini@gnu.org>
11797 * doc/install.texi (--disable-libgcc-math): Document.
11799 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11801 * expr.h (expand_normal): new inline function.
11802 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11803 * dojump.c: use it.
11804 * dwarf2out.c: use it.
11807 * expmed.c: use it.
11808 * except.c: use it.
11809 * config/sparc/sparc.c: use it.
11810 * config/i386/i386.c: use it.
11811 * config/rs6000/rs6000.c: use it.
11812 * config/arm/arm.c: use it.
11813 * config/mips/mips.c: use it.
11814 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11816 2006-01-30 Roger Sayle <roger@eyesopen.com>
11818 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11819 argv to the appropriate type.
11821 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11823 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11826 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11829 * config/s390/s390.c (struct machine_function): New flag
11830 decomposed_literal_pool_addresses_ok_p.
11831 (s390_reorg): Set it before final stage of literal pool transforms.
11832 (s390_decompose_address): Only accept displacements of the form
11833 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11835 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11837 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11838 the comparison routine return.
11840 2006-01-30 Michael Matz <matz@suse.de>
11842 * global.c (find_reg): Only evict for global regs.
11843 Take n_refs into account and dump more info.
11845 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11848 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11849 (pragma_trap, pragma_nosave_low_regs): Likewise.
11850 (current_function_anonymous_args): Likewise.
11851 (sh_deferred_function_attributes): New variable.
11852 (sh_deferred_function_attributes_tail): Likewise.
11853 (print_operand): For '@', look up trap_exit attribute.
11854 (calc_live_regs): Look up trapa_handler attribute. For trapa
11855 handlers, save/restore fpscr, but don't do any other
11856 interrupt-specific saves.
11857 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11858 Fix check for partially saved registers to check for SHmedia.
11859 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11860 (sh_output_function_epilogue): Don't clear any of the removed
11862 (sh_insert_attributes): Don't check pragma_interrupt.
11863 Insert deferred attributes. Check that interrupt attribute is
11864 present for other attributes that require its presence.
11865 (sh_attribute_table): Add new attributes trapa_handler and
11867 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11868 Don't check for pragma_interrupt. Don't store argument.
11869 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11870 (sh_deferred_function_attributes): Declare.
11871 (sh_deferred_function_attributes_tail): Likewise.
11872 * sh.md (sp_switch_1): Add operand. Change generator caller.
11873 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11874 (*return_i): Don't use when trap_exit attribute is in effect.
11875 (*return_trapa): New insn pattern.
11876 * sh-c.c: New file.
11877 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11878 setting c_target_objs and cxx_target_objs.
11879 * t-sh: Add rule for sh-c.o.
11881 2006-01-30 Richard Guenther <rguenther@suse.de>
11884 * gimplify.c (gimplify_target_expr): Handle easy cases
11885 without creating a temporary.
11887 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11889 * vec.h (safe_grow): Remove duplicated line.
11891 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11894 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11895 (expand_omp): ... here.
11896 (expand_omp_parallel): Only remove barriers for combined
11897 parallel+workshare constructs.
11899 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11903 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11904 * tree.c (build_qualified_type): Chain the new type to the original
11905 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11906 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11907 (build_pointer_type_for_mode): Only return unqualified types.
11908 (build_reference_type_for_mode): Likewise.
11910 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11912 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11913 * Makefile.in (CXX_COMPAT_WARN): Define.
11914 * configure: Regenerate.
11916 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11919 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11922 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11924 * toplev.c: Fix thinko.
11926 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11927 Marcin Dalecki <martin@dalecki.de>
11929 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11930 (push_srcloc): Use XNEW.
11931 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11933 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11935 * df-core.c (df_set_blocks): Deleted all variable.
11937 2006-01-28 Ian Lance Taylor <ian@airs.com>
11939 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11940 cgraph_output_pending_asms.
11942 2006-01-28 Zack Weinberg <zackw@panix.com>
11944 * c.opt: Add -W(no-)overlength-strings.
11945 * doc/invoke.texi: Document it.
11946 * c-opts.c (c_common_handle_option): -pedantic implies
11947 -Woverlength-strings, if not explicitly disabled already.
11948 (c_common_post_options): -Woverlength-strings defaults to off, and
11949 is always off for C++.
11950 * c-common.c (fix_string_type): Issue warning about strings longer
11951 than is portable only if warn_overlength_strings. Rearrange code
11952 a little for clarity.
11953 * configure.in: Check for -Wno-overlength-strings as well before
11954 enabling -pedantic in stage 1.
11955 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11956 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11958 * genconditions.c (write_header, write_one_condition)
11959 (write_conditions, write_writer): Consolidate very long strings
11960 that were broken up to fit in C89 portable limit. Don't use
11961 printf when fputs will do.
11963 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11965 * combine.c (simplify_comparison <AND>): Check
11966 TRULY_NOOP_TRUNCATION before start using a subreg.
11968 * config/mips/mips.md (*branch_zero<mode>,
11969 *branch_zero<mode>_inverted, *branch_equality<mode>,
11970 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11971 Remove mode check from comparisons.
11973 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11975 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11977 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11979 * expmed.c (const_mult_add_overflow_p): Remove.
11980 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11982 * recog.c (validate_replace_rtx_subexp): Remove.
11983 * recog.h: Remove the prototype for
11984 validate_replace_rtx_subexp.
11986 * integrate.h: Remove the prototype for
11987 copy_decl_for_inlining.
11988 * rtl.h: Remove the prototype for mark_constant_function.
11989 * tree-vectorizer.h: Remove the prototype for
11990 vect_strip_conversion.
11992 * modulo-sched.c (create_partial_schedule,
11993 free_partial_schedule, reset_partial_schedule): Make them
11996 * hooks.c (hook_bool_rtx_int_false): Remove.
11997 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11999 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12001 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12002 and -mlong-double-128 are incompatible.
12003 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12004 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12005 (TARGET_LIBGCC2_CFLAGS): Define.
12006 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12007 (TARGET_LIBGCC2_CFLAGS): Same.
12008 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12010 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12013 * c-typeck.c (build_binary_op): Perform implicit casts of
12014 operands before shortening them.
12016 * cfgloopmanip.c (split_loop_bb): Remove.
12017 * cfgloop.h: Remove the prototype for split_loop_bb.
12019 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12020 * cfgloop.h: Remove the prototype for
12021 flow_loop_outside_edge_p.
12023 * emit-rtl.c (init_virtual_regs): Make it static.
12024 * function.h: Remove the prototype for init_virtual_regs.
12026 * recog.c (peephole2_optimize): Make it static.
12027 * recog.h: Remove the prototype for peephole2_optimize.
12029 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12031 * df-scan.c (df_record_entry_block_defs): Check if
12032 INCOMING_RETURN_ADDR_RTX is defined.
12034 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12035 Kenneth Zadeck <zadeck@naturalbridge.com>
12037 PR rtl-optimization/24762
12038 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12039 * targhooks.c (hook_void_bitmap): New hook prototype.
12040 * targhoohs.h (hook_void_bitmap): Ditto.
12041 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12042 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12043 * target.h (live_on_entry): New function pointer.
12044 * df-scan.c (df_all_hard_regs): Removed.
12045 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12046 (df_scan_free_internal): Added df->entry_block_defs.
12047 (df_scan_alloc): Ditto.
12048 (df_scan_dump): Ditto.
12049 (df_uses_record): Plumbed flag field properly thru calls.
12050 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12051 This part fixes PR24762.
12052 (df_bb_refs_record): Added code to make the frame and arg
12053 pointers live in EH blocks.
12054 (df_refs_record): Added call to df_record_entry_block_defs.
12055 (df_record_entry_block_defs): New function.
12056 * df-core.c: Added comments to describe new artifical defs.
12057 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12058 (entry_block_defs): New field in struct df.
12059 (df_all_hard_regs): Deleted.
12060 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12061 * df-problems.c (df_ru_bb_local_compute_process_def):
12062 Added code to handle artifical defs in the entry to a function.
12063 (df_ru_bb_local_compute): Ditto.
12064 (df_rd_bb_local_compute_process_def): Ditto.
12065 (df_rd_bb_local_compute): Ditto.
12066 (df_lr_bb_local_compute): Ditto.
12067 (df_ur_bb_local_compute): Ditto.
12068 (df_urec_bb_local_compute): Ditto.
12069 (df_chain_create_bb): Ditto.
12070 (df_ur_local_finalize): Removed entry.
12071 (df_urec_init): Ditto.
12072 (df_urec_local_finalize): Ditto.
12073 (df_ri_bb_compute): Added detection of last use of pseudos.
12074 * Makefile.in (df-scan.o): Updated dependencies.
12075 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12076 * config/mips/mips.c (mips_set_live_on_entry): Added.
12077 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12079 * dce.c (marked_insn_p): Added code to handle artifical defs.
12081 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12083 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12085 (_mm_cvtsi128_si64): Likewise.
12086 (_mm_cvtsd_si64): Likewise.
12087 (_mm_cvttsd_si64): Likewise.
12088 (_mm_cvtsi64_sd): Likewise.
12089 (_mm_cvtsi64_si128): Likewise.
12090 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12091 (_mm_cvtsi64_m64): Likewise.
12092 (_m_to_int64): Likewise.
12093 (_mm_cvtm64_si64): Likewise.
12094 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12095 (_mm_cvttss_si64): Likewise.
12096 (_mm_cvtsi64_ss): Likewise.
12097 (_mm_cvtss_f32): Likewise.
12099 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12101 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12102 for pragma redefine_extname.
12104 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12107 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12108 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12109 -mno-minimal-toc to previous content.
12110 (bispecs): Remove goal.
12111 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12112 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12113 compatibility aliases on powerpc-*-*gnu*.
12114 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12115 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12116 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12117 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12118 (ldblspecs): New goal.
12119 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12120 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12122 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12123 L_sf_to_tf or L_df_to_tf is defined.
12125 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12126 Alan Modra <amodra@bigpond.net.au>
12129 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12130 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12131 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12132 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12133 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12134 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12135 (rs6000_override_options): Initialize rs6000_ieeequad.
12136 Initialize TFmode format to ibm_extended_format if not
12138 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12140 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12141 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12142 (function_arg_advance): IBM long double passed in two FPRs, not
12144 (function_arg): IBM long double passed in FPRs.
12145 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12146 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12147 Only multireg GPR aligned.
12148 (rs6000_init_libfuncs): Enable IBM long double functions if not
12150 (rs6000_generate_compare): Use IBM long double compare if not
12152 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12153 (TARGET_IEEEQUAD): Define.
12154 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12155 not TARGET_IEEEQUAD.
12156 * config/rs6000/rs6000.md: Enable TFmode patterns if
12158 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12159 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12160 and -mlong-double-128 are incompatible.
12161 * doc/invoke.texi (-mabi): Collect options together. Add
12162 ibmlongdouble and ieeelongdouble.
12164 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12166 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12168 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12169 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12170 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12171 * rtl.h (rtunion_def): Remove rt_ptr.
12173 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12174 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12175 * config/i386/winnt.c (i386_pe_mark_dllexport)
12176 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12178 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12180 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12182 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12186 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12187 pthread_key_delete. From John David Anglin. gthrw-ify
12188 pthread_getunique_np only if it it's not a macro. Delete
12190 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12191 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12192 __gthread_objc_condition_signal, __gthread_key_delete): Add
12193 "__attribute__ ((__unused__))" to unused arguments.
12194 (__gthread_recursive_mutex_init_function): Add missing return.
12195 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12196 gthr-posix95.h: Use macro-based approach for name redirection
12197 on targets missing weakref.
12199 2006-01-26 Zack Weinberg <zackw@panix.com>
12201 * genconditions.c (write_header): In generated code, #ifdef out
12202 all includes and fake declarations, except includes of bconfig.h
12203 and system.h, unless GCC_VERSION >= 3001. Do not include
12204 gensupport.h in any case.
12205 (write_conditions): Generate a definition of struct c_test. Add
12206 a comment to the generated #endif.
12207 (write_one_condition): Escape backslashes in string too.
12208 (write_writer): Generated code must escape backslashes and quote
12209 marks (but not newlines) in the strings it writes.
12210 * Makefile.in (build/gencondmd.o): Update dependencies.
12212 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12215 * Makefile.in (insn-automata.o): Add header file dependencies.
12216 * genautomata.c: Add includes.
12218 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12221 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12223 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12225 * configure.ac: Expect target tools paths to be passed from the toplevel
12226 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12228 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12230 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12233 * c.opt (Wpointer-sign): Init to -1.
12234 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12235 OPT_pedantic, to 0 otherwise.
12236 * doc/invoke.texi: Update.
12238 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12240 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12241 constants provided by 80387 instructions in the destination mode.
12243 2006-01-26 Richard Guenther <rguenther@suse.de>
12244 Andrew Pinski <pinskia@physics.uc.edu>
12247 partial PR tree-opt/17064
12248 * tree-ssa-structalias.c (intra_create_variable_infos):
12249 Create heap variables for incoming parameters if
12250 flag_argument_noalias > 1.
12251 (find_what_p_points_to): Look through default defs of
12254 2006-01-26 Jeff Law <law@redhat.com>
12257 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12258 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12259 within the VR_RANGE, use the VR_RANGE as the result, not the
12261 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12262 bounds for the type.
12264 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12266 * tree-ssa-alias.c (maybe_create_global_var): Change
12267 subvar walking to an assertion that we don't have subvar'd variables.
12269 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12272 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12273 Use a new variable, inner. PARM_DECLs are always non-weak.
12275 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12277 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12278 --disable-checking.
12280 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12282 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12284 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12286 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12287 (smax_insn, smin_insn, smax_0, smin_0): New.
12289 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12292 * config/cris/cris.c (cris_order_for_addsi3): New function.
12293 * config/cris/cris-protos.h: Prototype it.
12294 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12295 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12296 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12297 (split for "op.S1 [rx=rx+i],ry (swapped)")
12298 (split for "op(s|u).S1 [rx=rx+i],ry")
12299 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12300 Apply cris_order_for_addsi3 when generating addsi3 insns.
12302 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12304 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12305 (TREE_BLOCK): Add call to EXPR_CHECK.
12307 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12310 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12311 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12312 (dump_omp_clauses): ... here.
12313 (dump_generic_node): Handle OMP_CLAUSE.
12314 * tree.c (omp_clause_num_ops): New.
12315 (omp_clause_code_name): New.
12316 (tree_code_size): Handle OMP_CLAUSE.
12317 (tree_size): Likewise.
12318 (make_node): Document handling of OMP_CLAUSE.
12319 (tree_node_structure): Handle OMP_CLAUSE.
12320 (omp_clause_check_failed): New.
12321 (omp_clause_range_check_failed): New.
12322 (omp_clause_operand_check_failed): New.
12323 (build_omp_clause): New.
12324 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12325 * tree.h (enum omp_clause_code): Declare.
12326 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12327 (OMP_CLAUSE_RANGE_CHECK): Define.
12328 (OMP_CLAUSE_ELT_CHECK): Define.
12329 (omp_clause_check_failed): Declare.
12330 (omp_clause_operand_check_failed): Declare.
12331 (omp_clause_range_check_failed): Declare.
12332 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12333 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12334 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12335 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12336 (OMP_CLAUSE_IF_EXPR): Likewise.
12337 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12338 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12339 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12340 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12341 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12342 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12343 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12344 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12345 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12346 (OMP_CLAUSE_CODE): Define.
12347 (OMP_CLAUSE_SET_CODE): Define.
12348 (OMP_CLAUSE_CODE): Define.
12349 (OMP_CLAUSE_OPERAND): Define.
12350 (struct tree_omp_clause): Declare.
12351 (union tree_node): Add field 'omp_clause'.
12352 * treestruct.def (TS_OMP_CLAUSE): Define.
12353 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12354 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12355 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12356 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12357 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12358 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12359 (OMP_CLAUSE): Define.
12360 * print-tree.c (print_node): Handle OMP_CLAUSE.
12361 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12362 * c-typeck.c: Likewise.
12363 * gimplify.c: Likewise.
12364 * c-omp.c: Likewise.
12365 * tree-nested.c: Likewise.
12366 * tree-inline.c: Likewise.
12367 * c-parser.c: Likewise.
12368 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12371 2006-01-25 Roger Sayle <roger@eyesopen.com>
12373 PR rtl-optimization/25703
12374 * combine.c (try_combine): Handle zero_extract and strict_low_part
12375 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12377 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12379 * global.c: Fix comment typos.
12381 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12384 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12385 Use output_addr_const instead of assemble_name.
12387 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12389 * Makefile.in (sched-vis.o): Update dependencies.
12390 * haifa-sched.c (sched_finish): Clear current_sched_info.
12391 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12392 (dump_flow_info): Call it.
12393 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12395 * basic-block.h (dump_bb_info): Declare.
12396 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12397 option, and apply options only for dump files whose TDF_RTL,
12398 TDF_TREE, or TDF_IPA bits match.
12399 * rtl.h: Declare new functions exported from sched-vis.c.
12400 * sched-vis.c: Enable also if scheduling is not used.
12401 (print_value): Print the mode of registers if not inside scheduling.
12402 (print_insn): Make it work outside the scheduler. Beautify the output
12404 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12406 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12408 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12409 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12410 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12411 depending on the value of CONSTANT_POOL_ADDRESS_P.
12412 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12414 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12415 rather than SYMBOL_REF_DECL.
12416 (rtx_constant_pool): Remove const_rtx_sym_htab.
12417 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12418 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12419 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12420 Remove handling of const_rtx_sym_htab.
12421 (find_pool_constant): Delete.
12422 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12423 rather than find_pool_constant.
12424 (get_pool_constant_for_function): Delete.
12425 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12426 find_pool_constant.
12427 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12428 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12429 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12430 (SYMBOL_REF_CONSTANT): New macro.
12431 (get_pool_constant_for_function): Delete.
12432 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12433 rather than SYMBOL_REF_DECL.
12434 (i386_pe_mark_dllimport): Likewise.
12435 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12436 rather than SYMBOL_REF_DECL.
12437 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12438 (machopic_indirect_call_target): Likewise.
12440 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12442 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12444 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12446 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12448 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12450 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12452 2006-01-24 David Daney <ddaney@avtrex.com>
12455 * configure.ac (enable_tls): New enable option.
12456 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12457 * configure: Regenerate.
12458 * doc/install.texi (--enable-tls): Document new option.
12459 (--disable-tls): Ditto.
12461 2006-01-24 Richard Henderson <rth@redehat.com>
12463 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12464 * alias.c (true_dependence): Respect it.
12465 (canon_true_dependence, write_dependence_p): Likewise.
12466 * builtins.c (get_builtin_sync_mem): Set it.
12468 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12470 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12473 2006-01-24 DJ Delorie <dj@redhat.com>
12475 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12476 for storing constants in single-bit bitfields.
12478 2006-01-25 Ben Elliston <bje@au.ibm.com>
12480 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12482 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12485 * tree-ssa-pre.c (phi_translate): Return NULL
12486 for AGGREGATE_TYPE's.
12488 2006-01-24 Zack Weinberg <zackw@panix.com>
12490 * genautomata.c (process_state_for_insn_equiv_partition):
12491 Use xcalloc for insn_arcs_array.
12492 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12493 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12495 2006-01-24 Richard Henderson <rth@redhat.com>
12497 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12498 update all callers.
12500 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12502 PR rtl-optimization/25890
12503 PR rtl-optimization/25905
12504 * combine.c (expand_compound_operation, expand_field_assignment):
12505 Fail if the bitfield's final position is out of bounds.
12507 2006-01-24 Ian Lance Taylor <ian@airs.com>
12509 PR middle-end/25930
12510 * cgraphunit.c (cgraph_output_in_order): Don't clear
12511 cgraph_asm_nodes until after asm strings have been output.
12513 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12515 * fix-header.c (read_scan_file): Add new parameter imultilib when
12516 calling register_include_chains.
12518 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12520 * omp-low.c: Update documentation.
12522 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12523 Daniel Berlin <dberlin@dberlin.org>
12527 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12528 return from the function.
12530 2006-01-22 Zack Weinberg <zackw@panix.com>
12532 * rtl.def (match_code): Add second argument.
12533 * genpreds.c (write_extract_subexp): New function.
12534 (write_match_code): Add path argument. Use write_extract_subexp.
12535 (write_predicate_expr): Pass path to write_match_code.
12536 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12537 not perform a mode test.
12538 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12539 a subexpression does not constrain the top-level code set.
12540 * read-rtl.c (read_rtx_variadic): New function.
12541 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12542 * doc/md.texi: Document new notation.
12543 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12544 (cmpsi_operand): ... here, using new notation.
12546 2006-01-22 Zack Weinberg <zackw@panix.com>
12548 * varray.c: Remove GENERATOR_FILE #ifdefs.
12550 2006-01-22 Zack Weinberg <zackw@panix.com>
12552 * genautomata.c (output_reserved_units_table): Emit nothing if
12553 description->query_units_num is zero. Remove extra blank line.
12554 (output_cpu_unit_reservation_p): Short circuit
12555 if description->query_units_num is zero.
12557 2006-01-22 Zack Weinberg <zackw@panix.com>
12559 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12560 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12561 nor any of the random handful of variables that used to be necessary
12562 when this program was linked with rtlanal.o. Prune set of forward
12563 function declarations.
12564 (struct attr_desc): Remove static_p field.
12565 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12566 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12567 (attr_string): Do not read the character one past the length of
12569 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12570 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12571 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12572 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12573 (make_automaton_attrs): New.
12574 (main): Do not call into genautomata. Call local gen_bypass
12575 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12576 Remove special case for insn_alts.
12577 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12578 varray.h (leftover from previous change). Prune set of forward
12579 function declarations. Remove state_alts fields from all
12580 structures. Remove state_alts_table from struct automaton.
12581 Make everything except main static. Do not maintain num_dfa_decls.
12582 Do not maintain state_alts fields of various structures.
12583 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12584 (add_arc): Remove state_alts argument. All callers updated.
12585 (output_reserved_units_table): Emit #ifdef here...
12586 (output_tables): ...not here. Don't generate state_alts tables.
12587 (expand_automata): Don't generate attributes.
12588 (write_automata): Don't generate state_alts functions.
12589 (main): New function.
12590 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12591 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12592 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12593 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12594 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12595 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12596 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12597 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12599 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12600 * genattrtab.h: Delete file.
12601 * Makefile.in (OBJS-common): Add insn-automata.o.
12602 (insn-automata.o): New rule.
12603 (simple_generated_c): Add insn-automata.c.
12604 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12605 (genprogmd): Add automata.
12606 (build/genattrtab): Needs no extra objects nor libraries.
12607 (build/genautomata): Needs build/vec.o and -lm.
12609 2006-01-22 Zack Weinberg <zackw@panix.com>
12611 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12612 (output_dfa_max_issue_rate, locked_states_num): Delete.
12613 (struct automaton): Add locked_states field.
12614 (output_dead_lock_vect): Save number of locked states in
12615 automaton->locked_states. If it is zero, don't print anything.
12616 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12617 (output_internal_dead_lock_func): Only test the dead_lock_vect
12618 for automata that have locked states.
12619 (output_statistics): Always print the number of locked states for
12620 each automaton. Calculate total number of locked states here.
12621 (write_automata): Don't call output_dfa_max_issue_rate.
12622 * genattrtab.c: Define length_unit_log as a const variable.
12623 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12624 max_insn_queue_index const.
12625 * final.c (length_unit_log): Declare const.
12626 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12628 2006-01-22 Zack Weinberg <zackw@panix.com>
12630 * genautomata.c: Include vec.h, not varray.h.
12631 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12632 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12633 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12634 VEC_* macros operating on appropriately typed vectors, or to
12635 malloced arrays when the size is known in advance. Const-ify
12636 many char* variables and function arguments. No functional changes.
12637 * Makefile.in (build/varray.o): Delete rule.
12638 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12639 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12641 2006-01-22 Zack Weinberg <zackw@panix.com>
12643 * gensupport.c: Define get_insn_name and record_insn_name here.
12644 (read_md_rtx): Call record_insn_name as appropriate.
12645 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12646 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12647 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12649 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12650 (BUILD_VARRAY): Delete.
12651 (genprognormal): Rename genprogmd. Fold in all programs from
12652 genprognoprint; also attrtab.
12653 (build/genattrtab): Just mention genautomata.o and varray.o.
12654 Reorganize a bit, add comments to make the categories clearer.
12656 2006-01-22 Zack Weinberg <zackw@panix.com>
12658 * genconditions.c (condition_table, add_condition): Delete.
12659 (write_conditions): Don't emit n_insn_conditions nor
12660 insn_elision_unavailable. Issue the gcc version #ifdef here,
12661 inside the table, with no #else clause ...
12662 (write_header): ...not here.
12663 (write_writer): New function.
12664 (main): Don't initialize condition_table. Use add_c_test.
12666 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12667 files on the command line.
12668 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12669 Return -1 if there is no entry in the table, don't abort.
12670 (add_c_test, traverse_c_tests): New functions.
12671 * gensupport.h (insn_elision_unavailable, insn_conditions)
12672 (n_insn_conditions): Delete declarations.
12673 (add_c_test, traverse_c_tests): Declare.
12674 * read-rtl.c: Include gensupport.h.
12675 (read_conditions): New function.
12676 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12677 (read_rtx_1): If we get EOF when we were looking for an initial
12678 open paren, return 0. Call read_conditions when appropriate.
12679 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12680 dummy-conditions.o. Eliminate references to insn-conditions.o,
12681 or change them to build/gencondmd.o, as appropriate. Remove
12682 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12683 from $(simple_generated_c). For all files remaining in those
12684 two lists, add insn-conditions.md to the generator command line.
12685 Give insn-constants.h/s-constants their own rules. Add rules
12686 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12687 (build/read-rtl.o): Depend on gensupport.h.
12688 (genprognormal): Include preds.
12689 (genprogearly): Rename genprognoprint; only difference is now that
12690 they don't link with $(BUILD_PRINT).
12691 * dummy-conditions.c: Delete.
12693 2006-01-22 Zack Weinberg <zackw@panix.com>
12695 * genextract.c: Don't include insn-config.h. Do include vec.h.
12696 Declare vectors of int, char, and locstr.
12697 (locstr): New typedef.
12698 (struct extraction): Make all array fields into bare pointers.
12699 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12700 (insn_code_number): Delete.
12701 (accum_extract): New struct.
12702 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12703 (gen_insn): Take insn_code_number as an argument. Use an
12704 accum_extract structure instead of loading data directly into
12705 a struct extraction, and having to know how big it might get.
12706 (walk_rtx): Operate entirely on an accum_extract structure.
12707 (print_path): Avoid unnecessary use of printf.
12708 (print_header): New function, split out of main. Distinguish
12709 more carefully between an unrecognizable insn and an insn that
12710 has the code number of a define_expand.
12711 (main): Pass insn_code_number to gen_insn. Call print_header
12712 only after parsing. Avoid unnecessary use of printf.
12713 * Makefile.in (build/vec.o): New rule.
12714 (build/genextract): Depend on build/vec.o.
12715 (build/genextract.o): Don't depend on insn-config.h.
12717 2006-01-22 Zack Weinberg <zackw@panix.com>
12719 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12720 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12721 practical. Eliminate per-generator-program link rules.
12723 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12725 PR middle-end/24437
12726 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12727 with a call expr to ...
12728 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12730 2006-01-23 Richard Guenther <rguenther@suse.de>
12732 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12733 before make_edge with conditional EDGE_TRUE_VALUE.
12735 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12736 Jan Hubicka <jh@suse.cz>
12737 Richard Guenther <rguenther@suse.de>
12739 PR rtl-optimization/25654
12740 * cfgexpand.c (aggregate_contains_union_type): New function.
12741 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12742 for structure variables that contain a union type.
12744 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12746 * gengtype.c (new_structure): Return the structure.
12747 (create_option): Add an extra "next" argument.
12748 (create_field): New function.
12749 (adjust_field_rtx_def): Use create_option and create_field.
12750 Remove a now-unnecessary call to find_structure.
12751 (adjust_field_tree_def): Likewise.
12752 (note_yacc_type): Remove an unnecessary call to find_structure.
12753 * gengtype.h (new_structure): Return the structure.
12754 (create_option): Add an extra argument.
12755 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12756 (option): Adjust calls to create_option.
12758 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12760 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12762 2006-01-22 Paul Brook <paul@codesourcery.com>
12763 Peter Barada <peter@the-baradas.com>
12765 * config/m68k/m68k.md: Add Coldfire FPU support.
12766 Define FP mode macro and associated attributes.
12767 Use it for float mode patterns.
12768 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12769 (LIBCALL_VALUE): Use m68k_libcall_value.
12770 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12771 (m68k_function_value): Ditto.
12772 (emit_move_sequence): Ditto.
12773 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12774 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12775 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12776 (MULTILIB_EXCEPTIONS): Ditto.
12777 * config/m68k/m68k.opt: Add mcfv4e.
12778 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12779 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12780 (m68k_output_function_prologue): Save ColdFire FPU registers.
12781 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12782 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12783 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12784 ColdFire FPU registers.
12785 (m68k_libcall_value, m68k_function_value): New functions.
12786 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12787 (LIBCALL_VALUE): Use m68k_libcall_value.
12788 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12789 (MASK_COLDFIRE): Add MASK_CFV4E.
12790 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12791 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12792 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12793 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12794 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12795 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12796 * doc/invoke.tex: Document -mcfv4e on m68k.
12798 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12800 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12803 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12806 * c-opts.c (c_common_handle_option): Don't include
12807 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12808 * doc/invoke.texi (C++ Dialect Options): Document that
12809 -Wnon-virtual-dtor is no longer included in -Wall.
12811 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12813 * gcov.c (print_version), gcov-dump.c (print_version),
12814 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12817 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12819 * df-scan.c (problem_SCAN): Added NULL reset function.
12820 (df_scan_reset_blocks): Added code to call reset block function
12821 (df_bb_refs_delete) Fixed comment.
12822 (df_insn_refs_delete): Made tolerant of deleting non existent info
12823 for dataflow problems that need to be reset.
12824 * df-core.c (df_set_blocks): Ditto.
12825 * df.h (struct df_problem): Added reset_fun.
12826 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12827 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12828 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12829 functions to clear out all references to def-use or use-def chains.
12831 2006-01-21 Ben Elliston <bje@au.ibm.com>
12833 * varasm.c (assemble_real): Initialise data array.
12835 2006-01-20 Paul Brook <paul@codesourcery.com>
12837 Merge from csl-arm-branch.
12838 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12839 * config/arm/arm.md (movdi): Force operands[1] to a register
12840 if we have a non-register source.
12841 (*arm_movdi, *movdf_soft_insn): Require that one of the
12842 operands be a register.
12843 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12844 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12846 2006-01-20 DJ Delorie <dj@redhat.com>
12848 * varasm.c (initializer_constant_valid_p): Allow pointers
12849 initialized from integer constants of lesser precision.
12850 (output_constant): Allow non-int-sized pointer modes to be
12851 initialized from integer constants.
12853 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12856 * cppdefault.h (struct default_include): Add multilib flag.
12857 * cppdefault.c (cpp_include_defaults): Set it.
12858 * c.opt (-imultilib): New option.
12859 * c-opts.c (imultilib): New.
12860 (c_common_handle_option): Handle -imultilib.
12861 (c_common_post_options): Likewise.
12862 * c-incpath.c (add_standard_paths, register_include_chains):
12864 * c-incpath.h (register_include_chains): Add extra parameter.
12865 * gcc.c (do_spec_1): Generate -imultilib option.
12866 (The Specs Language): Update %I description.
12867 (process_command): Update copyright notice.
12868 * doc/cppopts.texi (-imultilib): Document.
12869 * doc/invoke.texi (-imultilib): Include in option summary.
12870 (%I): Update specs documentation.
12872 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12874 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12876 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12878 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12881 2006-01-20 Richard Guenther <rguenther@suse.de>
12882 Steven Bosscher <stevenb.gcc@gmail.com>
12884 PR rtl-optimization/24626
12885 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12886 EDGE_TRUE_VALUE if in RTL mode.
12889 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12890 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12892 2006-01-20 Dirk Mueller <dmueller@suse.com>
12895 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12896 instead of a special NOP marker.
12897 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12898 NOP marker handling.
12899 * c-common.h (empty_body_warning): Add forward declaration.
12900 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12901 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12903 2006-01-20 Paul Brook <paul@codesourcery.com>
12905 * Makefile.in (lang_checks): Keep going if mkdir fails.
12907 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12909 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12910 be able to clean out basic block when not necessary.
12911 (df_scan_free): Fixed to properly delete information if df is
12912 unused before calling df_finish.
12913 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12914 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12916 (df_bb_refs_delete): New function.
12917 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12918 * df-core.c (df_set_blocks): Added code to properly clean out
12919 unused blocks if they are not part of the blocks to consider.
12920 Added additional null check.
12921 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12922 be able to clean out basic block when not necessary
12923 * df.h (df_free_bb_function): Ditto.
12924 (df_bb_refs_delete): New function.
12925 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12926 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12927 basic block parameter to be able to clean out basic block when not
12929 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12930 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12931 Fixed to properly delete information if df is unused before
12934 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12936 PR rtl-optimization/25799
12937 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12938 Corrected confluence operator to remove bits from op2 before oring
12939 with op1 rather than removing bits from op1.
12940 (df_ru_transfer_function): Corrected test on wrong bitmap which
12941 caused infinite loop. Both of these problems were introduced in
12942 the dataflow rewrite.
12944 2006-01-19 DJ Delorie <dj@redhat.com>
12946 * reload1.c (find_reload_regs): Note the details of reload
12947 failures in the dump file.
12948 (spill_failure): Likewise.
12950 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12952 * loop-iv.c: Include df.h and hashtab.h.
12953 (enum iv_grd_result): New enum.
12954 (DF_REF_IV, DF_REF_IV_SET): New macros.
12955 (struct biv_entry): New.
12956 (df, bivs): New global variables.
12957 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12958 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12960 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12961 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12962 analyzed_for_bivness_p, record_biv): New functions.
12963 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12964 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12965 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12967 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12969 (iv_number_of_iterations): Use new interface to iv analysis.
12970 * loop-unroll.c: Do not include varray.h.
12971 (analyze_iv_to_split_insn): Use new interface to iv
12973 * loop-unswitch.c (may_unswitch_on): Ditto.
12974 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12976 (df_bb_modify): Realloc tables to the new index.
12977 (df_find_use): New function.
12978 * df.h (df_find_use): Declare.
12979 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12981 * cfgloop.h (struct rtx_iv): Remove analysed field.
12982 (iv_get_reaching_def): Removed.
12983 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12984 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12985 (loop-iv.o): Add df.h and hashtab.h dependency.
12986 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12988 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12991 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12993 (__floatundisf, __floatundidf): Likewise.
12994 * libgcc2.h (IS_IBM_EXTENDED): Define.
12996 2006-01-19 DJ Delorie <dj@redhat.com>
12998 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13000 2006-01-19 Paul Brook <paul@codesourcery.com>
13002 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13003 as nothrow when unwinding tables are disabled.
13005 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13008 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13009 of bit-field" when in system header.
13011 2006-01-19 DJ Delorie <dj@redhat.com>
13013 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13014 the 16 bit shift limit of the m16c.
13016 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13019 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13020 * config/i386/i386.c (output_set_got): Output the label if we have one
13021 for the TARGET_DEEP_BRANCH_PREDICTION case.
13023 2006-01-19 Jan Hubicka <jh@suse.cz>
13024 H.J. Lu <hongjiu.lu@intel.com>
13025 Evandro Menezes <evandro.menezes@amd.com>
13027 * invoke.texi (generic): Document
13029 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13030 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13031 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13032 (x86_use_incdec, x86_pad_returns): New variables
13033 (TARGET_CPU_DEFAULT_generic): New constant
13034 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13035 (enum processor_type): Add generic32 and generic64.
13036 * i386.md (cpu attribute): Add generic32/generic64
13037 (movhi splitter): Behave sanely when both partial_reg_dependency and
13038 partial_reg_stall are set.
13039 (K8 splitters): Enable for generic as well.
13040 * predicates.md (incdec_operand): Use TARGET_INCDEC
13041 (aligned_operand): Avoid memory mismatch stalls.
13042 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13043 * ppro.md: Enable for generic32
13044 * i386.c (generic64_cost, generic32_cost): New.
13045 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13046 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13047 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13048 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13049 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13050 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13051 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13052 x86_accumulate_outgoing_args, x86_prologue_using_move,
13053 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13054 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13055 Enable for generic.
13056 (x86_use_incdec, x86_pad_returns): New.
13057 (override_options): Add generic32 and generic64, translate "generic"
13058 to generic32/generic64 and "i686" to "generic32", refuse
13059 "generic32"/"generic64" as arch target.
13060 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13061 (ix86_reorg): Honor PAD_RETURNS.
13063 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13065 * tree-pretty-print.c (dump_generic_node): Handle
13066 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13067 * cgraph.c (cgraph_expand_queue): Rename from
13068 cgraph_analyze_queue. Update all users.
13069 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13070 cgraph_expand_queue.
13071 (cgraph_expand_all_functions): Likewise.
13072 (cgraph_finalize_pending_functions): Remove. Update callers.
13074 * tree.h (OMP_DIRECTIVE_P): Define.
13075 (OMP_PARALLEL_FN): Define.
13076 (OMP_PARALLEL_DATA_ARG): Define.
13077 (OMP_SECTIONS_SECTIONS): Define.
13078 * tree-pass.h (pass_expand_omp): Declare.
13079 * omp-low.c (struct omp_region): Declare.
13080 (struct omp_context): Remove fields 'parallel_type',
13081 'parallel_start_ix' and 'parallel_start_additional_args'.
13083 (struct omp_for_data): Rename from struct expand_omp_for_data.
13084 (omp_regions): New static variable.
13085 (root_omp_region): New static variable.
13086 (find_omp_clause): Make static.
13087 (is_in_combined_parallel_ctx): Remove.
13088 (is_combined_parallel): New.
13089 (extract_omp_for_data): Move earlier in the file.
13090 (workshare_safe_to_combine_p): New.
13091 (get_ws_args_for): New.
13092 (determine_parallel_type): Move earlier in the file.
13093 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13095 (omp_copy_decl): Likewise.
13096 (create_omp_child_function): Likewise.
13097 (lookup_omp_region): New.
13098 (dump_omp_region): New.
13099 (debug_omp_region): New.
13100 (debug_all_omp_regions): New.
13101 (new_omp_region): New.
13102 (scan_omp_parallel): If parallel_nesting_level > 1, the
13103 directive is nested within another parallel directive.
13104 Set OMP_PARALLEL_FN.
13105 (scan_omp_for): Do not try to handle combined parallel+for
13107 Remove FIXME comment.
13108 (scan_omp_nested): Remove.
13109 (scan_omp_1): Do not call scan_omp_nested when
13110 parallel_nesting_level is > 1.
13111 Do not change the DECL_CONTEXT of local variables found.
13112 (lookup_decl_in_outer_ctx): New.
13113 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13114 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13115 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13116 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13117 If CTX is nested, lookup VAR in the outer context when
13118 building copy assignment.
13119 (lower_send_clauses): Rename from expand_send_clauses.
13120 If CTX is nested, lookup VAR in the outer context when
13121 building copy assignments.
13122 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13123 If CTX is nested, lookup VAR in the outer context when
13124 building copy assignments.
13125 (expand_parallel_call): Rename from build_parallel_call.
13126 Handle combined parallel+workshare cases.
13127 Re-implement to emit code into the CFG.
13129 (expand_omp_parallel): Re-implement to emit code into the CFG.
13130 Call move_sese_region_to_fn to outline the sub-graph
13131 containing the parallel region.
13132 (expand_omp_for_1): Remove.
13133 (expand_omp_for_generic): Re-implement to emit code into the
13135 (expand_omp_for_static_nochunk): Likewise.
13136 (expand_omp_for_static_chunk): Likewise.
13137 (expand_omp_for): Likewise.
13138 (expand_omp_sections): Likewise.
13139 (remove_exit_barriers): New.
13140 (expand_omp_synch): New.
13142 (build_omp_regions_1): New.
13143 (build_omp_regions): New.
13144 (execute_expand_omp): New.
13145 (gate_expand_omp): New.
13146 (pass_expand_omp): Define.
13147 (lower_omp_sections): Rename from expand_omp_sections.
13148 Set OMP_SECTIONS_SECTIONS.
13149 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13150 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13151 (lower_omp_single): Rename from expand_omp_simple.
13152 (lower_omp_master): Rename from expand_omp_master.
13153 (lower_omp_ordered): Rename from expand_omp_ordered.
13154 (lower_omp_critical): Rename from expand_omp_critical.
13155 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13156 (lower_omp_for): Re-implement.
13157 (lower_omp_parallel): Re-implement.
13158 (lower_regimplify): Rename from expand_regimplify.
13159 (lower_omp_1): Rename from expand_omp_1.
13160 If there are syntax errors in the program, replace every
13161 OpenMP directive with NOP.
13162 Call lower_omp_* instead of expand_omp_*.
13163 (lower_omp): Rename from expand_omp.
13165 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13166 * tree-gimple.h (enum omp_parallel_type): Remove.
13167 (gimple_boolify): Declare extern.
13168 (find_omp_clause, determine_parallel_type): Remove.
13170 * gimple-low.c (lower_omp_directive): New.
13171 (lower_stmt): Call it.
13172 (record_vars_into): Move from ...
13173 (record_vars): ... here.
13174 Call record_vars_into with current_function_decl.
13176 * gimplify.c (struct gimplify_ctx): Remove fields
13177 combined_pre_p and combined_ctxp. Update users.
13178 (get_formal_tmp_var): Add documentation.
13179 (gimple_boolify): Make extern.
13180 (gimplify_expr_in_ctx): Remove. Update callers.
13181 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13182 will always be a BIND_EXPR.
13183 (gimplify_expr): Handle OMP_RETURN_EXPR.
13184 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13185 (OMP_PARALLEL): Add 3 operands.
13186 (OMP_SECTIONS): Add 1 operand.
13187 (OMP_RETURN_EXPR): Define.
13189 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13190 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13191 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13192 creating a circular free list.
13193 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13195 * tree-flow.h (move_sese_region_to_fn): Declare.
13196 (record_vars_into): Declare.
13197 * tree-cfg.c (make_omp_sections_edges): New.
13198 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13199 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13200 OMP_SECTIONS and OMP_SECTION.
13201 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13202 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13203 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13204 (gather_blocks_in_sese_region): New.
13205 (struct move_stmt_d): Declare.
13206 (move_stmt_r): New.
13207 (move_block_to_fn): New.
13208 (move_sese_region_to_fn): New.
13210 * passes.c (init_optimization_passes): Schedule
13211 pass_expand_omp after pass_init_datastructures.
13213 * tree-ssa-operands.c (get_expr_operands): Handle
13214 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13215 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13217 2006-01-19 Jeff Law <law@redhat.com>
13219 * tree-vrp.c (extract_range_from_assert): Refine the result range
13220 if the variable referenced by the ASSERT_EXPR has a range and
13221 either the tentative result range or the previous range is a
13224 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13226 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13228 2006-01-19 Jan Hubicka <jh@suse.cz>
13230 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13232 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13234 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13235 (expand_compound_operation, expand_field_assignment): Fail if the
13236 bit lengths of an extract operation are out of range.
13237 (make_extraction): Compute wanted_inner_mode based on the position
13238 and length of the extraction. Make it extraction_mode for non-constant
13239 positions, and do not modify offset in that case. When generating a
13240 new MEM, use a mode that can hold the extraction while keeping correct
13241 alignment. Remove code that supported MEMs wrapped by USEs.
13242 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13244 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13246 * config/s390/s390.md ("Y", "y"): New mode attribute.
13247 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13248 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13249 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13250 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13251 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13252 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13253 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13254 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13255 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13256 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13257 "addsi3", "subsi3"): Insn patterns removed.
13258 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13259 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13260 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13261 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13262 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13263 "*sub<mode>3_cconly2"): New insn patterns.
13264 ("addsi3", "subsi3"): New expanders.
13266 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13268 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13269 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13270 existing STMT_VINFO_VECTYPE if available.
13271 (vect_mark_relevant): Add special handling for stmts that are
13272 marked as STMT_VINFO_IN_PATTERN_P.
13273 (vect_analyze_loop): Call vect_pattern_recog.
13274 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13275 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13277 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13278 (vect_recog_func_ptr): New function-pointer type.
13279 * tree-vect-patterns.c: New file.
13280 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13281 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13282 (vect_pattern_recog_1): New functions.
13283 (vect_pattern_recog_funcs): New array of function pointers.
13285 * tree-vectorizer.h (ternary_op): New enum value.
13286 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13287 declaration. Revised documentation. Removed redundant dump prints.
13288 Removed redundant argument. Added support for reduction patterns.
13289 (vectorizable_reduction): Added support for reduction patterns.
13290 (vect_transform_stmt): Added support for patterns.
13292 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13293 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13294 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13295 (expand_widen_pattern_expr): New function.
13296 (init_optabs): Initialize new optabs udot_prod_optab,
13298 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13299 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13300 (expand_widen_pattern_expr): New function declaration.
13301 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13303 * tree-inline.c (estimate_num_insns_1): Added cases for new
13304 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13305 * tree-pretty-print.c (dump_generic_node): Likewise.
13306 (op_prio): Likewise.
13307 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13308 * tree-ssa-operands.c (get_expr_operands): Added case for
13310 * tree-vect-patterns.c (widened_name_p): New function.
13311 (vect_recog_dot_prod_pattern): Added function implementation.
13312 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13313 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13314 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13315 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13317 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13318 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13319 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13320 (init_optabs): Initialize new optabs widen_ssum_optab,
13322 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13323 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13324 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13325 use instead of type of def.
13326 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13327 function implementation.
13328 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13329 widen_ssumv8hi): New.
13331 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13334 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13337 * c-decl.c (add_flexible_array_elts_to_size): New function.
13338 (finish_decl): Use it.
13340 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13342 * diagnostic.h: Include options.h.
13343 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13344 dependancies for diagnostic.h.
13345 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13347 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13349 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13350 (ssa_ro_call_cache_valid): Ditto.
13351 * tree-ssa-alias.c (sort_tags_by_id): New function.
13352 (init_transitive_clobber_worklist): Ditto.
13353 (add_to_worklist): Ditto.
13354 (mark_aliases_call_clobbered): Ditto.
13355 (compute_tag_properties): Ditto.
13356 (set_initial_properties): Ditto.
13357 (compute_call_clobbered): Ditto.
13358 (compute_may_aliases): Call compute_call_clobbered and grouping.
13359 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13360 (compute_flow_insensitive_aliasing): Grouping now happens in our
13362 (setup_pointers_and_addressables): Remove clobbering related code.
13363 (add_may_alias): Ditto.
13364 (replace_may_alias): Ditto.
13365 (get_nmt_for): Ditto.
13366 (create_global_var):
13367 (is_escape_site): Return an escape_type enumeration.
13368 * tree-flow-inline.h (is_call_clobbered): Global var does not
13369 imply call clobbered.
13370 (mark_call_clobbered): Take a reason for marking this. Remove
13371 marking of globalness, and cache invalidation.
13372 (clear_call_clobbered): Remove cache invalidation code.
13373 * tree-dfa.c (dump_variable): If details is on, dump the reason
13375 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13377 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13378 (struct var_ann_d): Ditto.
13379 (enum escape_type): New.
13380 (mark_call_clobbered): Adjust prototype.
13381 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13382 are never call clobbered.
13383 Record reasons for escaping.
13384 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13385 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13386 (ssa_ro_call_cache_valid): Ditto.
13387 (clobbered_v_may_defs): Ditto.
13388 (clobbered_vuses): Ditto.
13389 (ro_call_vuses): Ditto.
13390 (clobber_stats): New.
13391 (init_ssa_operands): Zero out clobber stats.
13392 (fini_ssa_operands): Print out clobber stats.
13393 (get_call_expr_operands): Pass callee fndecl to
13394 add_call_read_ops).
13395 (add_call_clobber_ops): Remove use of cache.
13396 Add use of PURE_CONST information.
13397 (add_call_read_ops): Remove use of cache.
13398 Add use of static not_read information.
13400 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13402 Introduce TLS descriptors for i386 and x86_64.
13403 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13404 (TARGET_ANY_GNU_TLS): New macro.
13405 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13406 (struct machine_function): Add tls_descriptor_call_expanded_p.
13407 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13408 (ix86_current_function_calls_tls_descriptor): Likewise.
13409 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13410 (override_options): Introduce gnu2 tls dialect.
13411 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13413 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13415 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13416 (ix86_init_machine_status): Initialize new field.
13417 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13418 (ix86_tls_module_base): New.
13419 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13420 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13421 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13422 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13423 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13424 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13425 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13426 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13427 * config/i386/predicates.md (tls_modbase_operand): New.
13428 (tp_or_register_operand): New.
13430 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13432 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13433 (look_for_address_of): Ditto.
13434 (ipa_init): Walk the function decls.
13435 (static_execute): Don't set readonly on FUNCTION_DECL's.
13437 2006-01-18 Roger Sayle <roger@eyesopen.com>
13439 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13440 for shifts where the source and destination registers are different.
13442 2006-01-18 Paul Brook <paul@codesourcery.com>
13444 Merge from csl-arm-branch.
13445 2005-03-14 Julian Brown <julian@codesourcery.com>
13446 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13447 (aeabi_llsl): Likewise.
13448 (ashrdi3): Likewise.
13449 (aeabi_lasr): Likewise.
13450 (lshrdi3): Likewise.
13451 (aeabi_llsr): Likewise.
13452 2005-03-10 Julian Brown <julian@codesourcery.com>
13453 * config.gcc: Disable shared libgcc for SymbianOS.
13454 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13456 2006-01-18 DJ Delorie <dj@redhat.com>
13458 * c-pragma.c (handle_pragma_diagnostic): New.
13459 (init_pragma): Register it.
13460 * doc/extend.texi: Document it.
13462 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13463 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13464 (diagnostic_context): Add classify_diagnostic[].
13465 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13466 as errors if they're overridden to DK_WARNING.
13467 (diagnostic_initialize): Initialize classify_diagnostic[].
13468 (diagnostic_set_kind_override): New.
13469 (diagnostic_report_diagnostic): Check for kind changes.
13470 * opts.c (common_handle_option): Take lang_mask. Update callers.
13471 Handle OPT_Werror_.
13472 * common.opt (Werror=): New.
13473 * doc/invoke.texi: Document -Werror=*
13475 2006-01-18 Jeff Law <law@redhat.com>
13477 * tree-vrp.c (test_for_singularity): Correct test for new
13478 min limit. Use operand_equal_p rather than pointer equality
13479 for testing if new min/max values are equal.
13481 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13482 using range information until after propagation and folding.
13484 2006-01-18 Richard Henderson <rth@redhat.com>
13485 Aldy Hernandez <aldyh@redhat.com>
13486 Jakub Jelinek <jakub@redhat.com>
13487 Diego Novillo <dnovillo@redhat.com>
13489 * omp-low.c: New file.
13490 * c-omp.c: New file.
13492 2006-01-18 Richard Henderson <rth@redhat.com>
13493 Jakub Jelinek <jakub@redhat.com>
13494 Diego Novillo <dnovillo@redhat.com>
13496 * doc/invoke.texi: Document -fopenmp.
13497 * tree-dump.h (debug_function): Declare.
13498 * hooks.c (hook_bool_tree_bool_false): New function.
13499 (hook_tree_tree_null): Remove.
13500 (hook_tree_tree_tree_null): New.
13501 * hooks.h: Update to match.
13502 * tree-pretty-print.c (debug_tree_chain): New.
13503 (print_generic_expr): Handle TDF_CHAIN.
13504 (dump_generic_node): Handle BLOCK.
13505 Do not abort with incomplete SWITCH_EXPRs.
13506 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13507 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13508 print space after directive name.
13509 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13510 Handle OMP_MASTER and OMP_ORDERED.
13511 Handle printing of OMP_BODY just in one place, goto
13512 dump_omp_body in the rest of OMP_* nodes that have
13514 Don't handle clause nodes here. Update omp statements to
13515 use dump_omp_clauses.
13516 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13517 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13518 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13519 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13520 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13521 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13522 Adjust output for GOMP_PARALLEL.
13523 (dump_omp_clauses): New.
13524 (print_declaration): Dump DECL_VALUE_EXPR.
13525 (op_symbol_1): Split out of op_symbol.
13526 (dumping_stmts): Remove. Update all users.
13527 * cgraph.c (cgraph_analyze_queue): New.
13528 (cgraph_add_new_function): New.
13529 * cgraph.h (cgraph_analyze_queue): Declare.
13530 (cgraph_add_new_function): Declare.
13531 (cgraph_lower_function): Remove.
13532 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13533 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13534 and TYPE_P nodes in its default clause.
13535 (empty_body_p): New.
13536 (tree_range_check_failed): New.
13537 (build5_stat): New.
13538 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13539 OMP_CLAUSE_REDUCTION_MERGE,
13540 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13541 OMP_CLAUSE_PRIVATE_DEBUG,
13542 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13543 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13544 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13545 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13546 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13547 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13548 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13549 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13550 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13551 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13552 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13553 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13554 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13555 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13556 (TREE_RANGE_CHECK): New.
13557 (empty_body_p): Declare.
13558 (enum omp_clause_default_kind): New.
13559 (build_string_literal): Declare.
13560 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13561 (build5_stat, build5): Declare.
13562 * tree-pass.h (TDF_CHAIN): Define.
13563 * tree-pass.h (PROP_gimple_lomp): Define.
13564 (pass_lower_omp): Declare.
13565 * diagnostic.h (debug_tree_chain): Declare.
13566 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13568 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13569 * builtins.c (build_string_literal): Make extern.
13570 * gcc.c (include_spec_function): New.
13571 (static_spec_functions): Add it.
13572 (main): Move load of libgomp.spec ...
13573 (LINK_COMMAND_SPEC): ... here.
13574 (link_gomp_spec): New.
13575 (static_specs): Include it.
13576 (LINK_COMMAND_SPEC): Add link_gomp.
13577 (GOMP_SELF_SPECS): New.
13578 (driver_self_specs): Include it.
13579 (switch_matches): Don't mark inline.
13580 (main): Load libgomp.spec.
13581 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13582 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13583 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13584 * tree-gimple.h (enum omp_parallel): Declare.
13585 (determine_parallel_type): Declare.
13586 (omp_firstprivatize_variable): Declare.
13587 (omp_reduction_init): Declare.
13588 (diagnose_omp_structured_block_errors): Declare.
13589 (struct walk_stmt_info): Add want_return_expr.
13590 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13591 (find_omp_clause): Declare.
13592 (insert_field_into_struct): Declare.
13593 (struct walk_stmt_info): Move from tree-nested.c
13594 (walk_stmts): Declare.
13595 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13597 * cgraphunit.c (cgraph_lower_function): Make static.
13598 (cgraph_finalize_pending_functions): New.
13599 (cgraph_finalize_function): Call it.
13600 (cgraph_finalize_compilation_unit): Likewise.
13601 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13602 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13603 (BT_FN_UINT_UINT): New.
13604 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13605 DEF_FUNCTION_TYPE_VAR_4): Document.
13606 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13607 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13608 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13609 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13610 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13611 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13612 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13613 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13614 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13615 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13616 into separate files.
13617 (DEF_GOMP_BUILTIN): New.
13618 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13619 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13620 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13621 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13622 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13623 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13624 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13625 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13626 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13627 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13628 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13629 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13630 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13631 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13632 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13633 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13634 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13635 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13636 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13637 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13638 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13639 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13640 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13641 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13642 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13643 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13644 * sync-builtins.def: New file, moved from builtins.def.
13645 * omp-builtins.def: New file, moved from builtins.def.
13646 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13647 * gimple-low.c (lower_function_body): Clear data.
13648 (lower_stmt): Do not handle COMPOUND_EXPR.
13649 Remove call to print_node_brief.
13650 * c-tree.h (c_finish_omp_clauses): New prototype.
13651 (C_DECL_THREADPRIVATE_P): Define.
13652 (lookup_name_no_remap, c_omp_remap_private): Remove
13653 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13654 (check_for_loop_decls): Update decl.
13655 (lookup_name_no_remap, c_omp_remap_private): Declare.
13656 (build_indirect_ref, build_modify_expr, pushdecl,
13657 pushdecl_top_level): Move to c-common.h.
13658 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13659 before the switch, but just in the 2 places that need it.
13660 * c-decl.c (diagnose_mismatched_decls): Do not check for
13661 mismatched thread-local attributes when OLDDECL is marked
13662 threadprivate and NEWDECL has no thread-local attributes.
13663 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13664 (c_gimple_diagnostics_recursively): Rename from
13665 c_warn_unused_result_recursively. Invoke
13666 diagnose_omp_structured_block_errors.
13667 (check_for_loop_decls): Return a singular decl found.
13668 * langhooks.c (lhd_omp_predetermined_sharing): Return
13669 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13670 (lhd_omp_firstprivatize_type_sizes): New.
13671 (lhd_omp_assignment): New.
13672 (lhd_omp_predetermined_sharing): New.
13673 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13674 (struct lang_hooks_for_types): Add
13675 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13676 omp_predetermined_sharing, omp_disregard_value_expr,
13677 omp_private_debug_clause, omp_clause_default_ctor,
13678 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13679 (c_finish_omp_clauses): New.
13680 (c_finish_bc_stmt): Diagnose break within omp for.
13681 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13682 (build_unary_op): Return error_mark after reporting
13684 (build_modify_expr): Likewise.
13685 * gimplify.c: Include optabs.h and pointer-set.h.
13686 (enum gimplify_omp_var_data): Declare.
13687 (struct gimplify_omp_ctx): Declare.
13688 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13690 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13691 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13692 (splay_tree_compare_decl_uid): New.
13693 (new_omp_context): New.
13694 (delete_omp_context): New.
13695 (gimple_add_tmp_var): Call omp_add_variable.
13696 (gimplify_bind_expr): Likewise.
13697 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13698 true, disregard DECL_VALUE_EXPR on the decl if any.
13699 (gimplify_expr_in_ctx): New.
13700 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13701 omp_add_variable, omp_notice_variable, omp_is_private
13702 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13703 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13704 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13705 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13706 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13707 gimplify_omp_atomic): New.
13708 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13709 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13710 OMP_CRITICAL and OMP_ATOMIC.
13711 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13712 * c-pragma.h (enum pragma_kind): Add
13713 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13714 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13715 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13716 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13717 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13718 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13719 PRAGMA_OMP_THREADPRIVATE.
13720 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13721 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13722 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13723 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13724 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13725 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13726 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13727 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13728 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13729 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13730 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13731 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13732 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13734 (struct nesting_info): Add field_map,
13735 suppress_expansion, debug_var_chain.
13736 (create_nesting_tree): Initialize them.
13737 (lookup_field_for_decl): Use field_map.
13738 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13739 (convert_local_omp_clauses): New.
13740 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13741 (walk_body): Split out of walk_function.
13742 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13743 (convert_nonlocal_reference): Handle omp statements.
13744 (convert_local_reference): Likewise.
13745 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13746 (unnest_nesting_tree): New.
13747 (lower_nested_functions): Call it.
13748 (insert_field_into_struct): Make extern.
13749 (struct walk_stmt_info): Move to tree-gimple.h.
13750 (walk_stmts): Make extern.
13751 * omp-builtins.def: New file.
13752 * tree-iterator.c (expr_only): Clarify comment.
13753 * c-common.h (pushdecl_top_level, pushdecl,
13754 build_modify_expr, build_indirect_ref,
13755 c_finish_omp_master, c_finish_omp_critical,
13756 c_finish_omp_ordered, c_finish_omp_barrier,
13757 c_finish_omp_atomic, c_finish_omp_flush,
13758 c_finish_omp_for, c_split_parallel_clauses,
13759 omp_clause_default_kind, c_omp_sharing_predetermined,
13760 c_omp_remap_decl): Declare.
13761 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13762 (OBJS-common): Add omp-low.o.
13763 (c-omp.o, omp-low.o): Add.
13764 (gimplify.o): Add dependency on $(OPTABS_H).
13765 (GTFILES): Add omp-low.c.
13766 (gt-stringpool.h): Add.
13767 * tree-cfg.c (set_bb_for_stmt): Do not update the
13768 block-to-labels map if we are currently expanding to RTL.
13769 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13771 Handle IDENTIFIER_NODE.
13772 (tree_verify_flow_info): Do not ICE when emitting error
13773 messages about invalid labels.
13774 (dump_function_to_file): Reset CFUN before emitting the body
13776 (debug_function): New.
13777 * passes.c (init_optimization_passes): Schedule
13779 * langhooks-def.h (lhd_omp_predetermined_sharing,
13780 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13782 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13783 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13784 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13785 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13786 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13787 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13788 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13789 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13790 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13791 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13792 (LANG_HOOK_DECLS): Use them.
13794 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13795 Richard Henderson <rth@redhat.com>
13796 Jakub Jelinek <jakub@redhat.com>
13797 Diego Novillo <dnovillo@redhat.com>
13799 * c-parser.c (pragma_omp_clause): Define.
13800 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13801 (c_parser_compound_statement): Likewise.
13802 (c_parser_statement): Likewise.
13803 (c_parser_pragma): Handle omp pragmas.
13804 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13805 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13806 (c_parser_omp_clause_name, check_no_duplicate_clause,
13807 c_parser_omp_variable_list,
13808 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13809 c_parser_omp_clause_copyprivate,
13810 c_parser_omp_clause_default,
13811 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13812 c_parser_omp_clause_lastprivate,
13813 c_parser_omp_clause_nowait,
13814 c_parser_omp_clause_num_threads,
13815 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13816 c_parser_omp_clause_reduction,
13817 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13818 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13819 c_parser_omp_atomic, c_parser_omp_barrier,
13820 c_parser_omp_critical, c_parser_omp_flush,
13821 c_parser_omp_for_loop, c_parser_omp_for,
13822 c_parser_omp_master, c_parser_omp_ordered,
13823 c_parser_omp_sections_scope, c_parser_omp_sections,
13824 c_parser_omp_parallel, c_parser_omp_single,
13825 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13826 * c-pragma.c (init_pragma): Do omp pragma registration here.
13827 * c.opt (fopenmp): New flag.
13829 2006-01-18 Eric Christopher <echristo@apple.com>
13831 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13832 * config/darwin.h (GOMP_SELF_SPECS): Define.
13834 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13836 * rtl.h: Remove the prototype for reg_alloc.
13838 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13841 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13842 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13843 sjlj and dwarf2 exception handling.
13844 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13845 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13846 * pa/pa.c (function_value): Treat complex and vector types as
13848 (function_arg): Likewise. Only pass scalar floats in the floating
13849 point argument registers.
13850 * pa/t-slibgcc-dwarf-ver: New file.
13851 * pa/t-slibgcc-sjlj-ver: New file.
13852 * pa/t-slibgcc-elf-ver: Delete file.
13854 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13856 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13857 unlikely_test_section_p test.
13859 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13861 * mode-switching.c (optimize_mode_switching): Make it static.
13862 * basic-block.h: Remove the prototype for
13863 optimize_mode_switching.
13865 * modulo-sched.c (sms_schedule): Make it static.
13866 * rtl.h: Remove the prototype for sms_schedule.
13868 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13869 * rtl.h: Remove the prototype for gcse_after_reload_main.
13871 * reg-stack.c (reg_to_stack): Make it static.
13872 * rtl.h: Remove the prototype for reg_to_stack.
13874 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13876 * rtl.h: Remove the prototypes for regrename_optimize and
13877 copyprop_hardreg_forward.
13879 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13881 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13882 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13883 Test against the appropriate null constant for the mode.
13884 If 'fixup_overlap' is true, swap the operands if they overlap.
13885 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13886 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13887 alpha_split_tmode_pair and adjust for above change.
13888 * config/alpha/alpha.md (movtf_internal): Adjust call to
13889 alpha_split_tfmode_pair and rely on it to swap the operands.
13890 (movti_internal): New insn and post-reload splitter.
13891 (movti): New expander.
13893 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13895 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13898 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13900 * rtlanal.c (global_reg_mentioned_p_1,
13901 global_reg_mentioned_p): Remove.
13902 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13904 * flow.c (initialize_uninitialized_subregs): Make it static.
13905 * rtl.h: Remove the prototype for
13906 initialize_uninitialized_subregs.
13908 * function.c (instantiate_virtual_regs): Make it static.
13909 * function.h: Remove the prototype for
13910 instantiate_virtual_regs.
13912 * regmove.c (regmove_optimize, combine_stack_adjustments):
13914 * rtl.h: Remove the prototypes for regmove_optimize and
13915 combine_stack_adjustments.
13917 2006-01-17 Roger Sayle <roger@eyesopen.com>
13919 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13920 (size_cost): Encode costs in bytes so that a reg-reg addition is
13921 equivalent to COSTS_N_INSNS(1).
13922 (override_options): Use the size_cost.branch_cost as the default
13923 ix86_branch_cost when optimizing for size.
13925 2006-01-18 Ben Elliston <bje@au.ibm.com>
13927 * Makefile.in (D32PBIT_FUNCS): New.
13928 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13929 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13930 D64PBIT_FUNCS and D128PBIT_FUNCS.
13931 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13932 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13934 (decnumber_dep): Define.
13935 * doc/libgcc.texi (Decimal float library routines): New node.
13936 * config/dfp-bit.h, config/dfp-bit.c: New files.
13938 2006-01-18 Ben Elliston <bje@au.ibm.com>
13940 * expr.c (emit_move_change_mode): Always adjust addresses, not
13941 just during reload. Copy replacements only during reload.
13942 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13943 emit_move_via_integer.
13945 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13947 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13948 instead of $(srcdir) and ${srcdir}.
13950 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13953 PR middle-end/11135
13954 * arm.h (struct machine_function): Add pic_reg.
13955 * arm.c (arm_pic_register): Make unsigned.
13956 (arm_override_options): Only set arm_pic_register if
13957 TARGET_SINGLE_PIC_BASE.
13958 (use_return_insn): Only test for a pic register if it is fixed.
13959 (arm_compute_save_reg0_reg12_mask): Likewise.
13960 (thumb_compute_save_reg_mask): Likewise.
13961 (legitimate_pic_operand): Factor out some known invariants.
13962 (legitimize_pic_address): If we don't have a fixed pic register,
13963 then set up a pseudo in the function entry sequence. Handle the
13964 pic base being in a pseudo.
13965 (arm_load_pic_register): Handle the pic register being in a pseudo.
13966 (arm_expand_prologue): Only set up the pic register if it is fixed.
13967 (thumb_expand_prologue): Likewise.
13968 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13969 (pic_load_addr_based_insn): Likewise.
13970 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13973 2006-01-18 Ben Elliston <bje@au.ibm.com>
13975 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13976 decimal float modes for all floating point registers.
13978 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13979 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13981 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13984 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13985 even when the pointer is not NULL.
13987 2006-01-16 Ian Lance Taylor <ian@airs.com>
13989 * common.opt (ftoplevel-reorder): New option.
13990 * cgraph.c (cgraph_asm_nodes): New global variable.
13991 (cgraph_asm_last_node): New static variable.
13992 (cgraph_order): New global variable.
13993 (cgraph_create_node): Set new order field.
13994 (cgraph_varpool_node): Likewise.
13995 (decide_is_variable_needed): Return true if not
13996 flag_toplevel_reorder.
13997 (cgraph_add_asm_node): New function.
13998 * cgraph.h (struct cgraph_node): Add order field.
13999 (struct cgraph_varpool_node): Add order field.
14000 (struct cgraph_asm_node): Define.
14001 (cgraph_asm_nodes, cgraph_order): Declare.
14002 (cgraph_add_asm_node): Declare.
14003 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14005 (cgraph_varpool_assemble_pending_decls): Call it.
14006 (cgraph_output_pending_asms): New static function.
14007 (cgraph_finalize_compilation_unit): Call it.
14008 (struct cgraph_order_sort): Define.
14009 (cgraph_output_in_order): New static function.
14010 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14011 !flag_toplevel_reorder case.
14012 * c-parser.c: Include "cgraph.h".
14013 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14015 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14016 than -fno-unit-at-a-time.
14017 * doc/invoke.texi (Option Summary): Mention
14018 -fno-toplevel-reorder.
14019 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14020 -funit-at-a-time documentation.
14022 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14023 Kazu Hirata <kazu@codesourcery.com>
14025 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14027 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14029 * Makefile.in (FUNCTION_H): New. Use it instead of
14030 function.h throughout the file.
14031 * function.h: Include tree.h.
14033 2006-01-17 Ben Elliston <bje@au.ibm.com>
14035 * recog.c: Separate some functions with whitespace.
14037 2006-01-16 Richard Henderson <rth@redhat.com>
14039 Merge from gomp branch:
14040 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14041 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14042 and rename from struct inline_data. Rename callee* to dst*;
14043 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14044 transform_new_cfg, transform_return_to_modify, and
14045 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14047 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14048 (copy_decl_for_dup): Remove.
14049 * tree-inline.c (struct inline_data): Move to header.
14050 (insert_decl_map): Export.
14051 (remap_decl): Update for member name changes. Use copy_decl hook.
14052 Allow for replacement to be a non-decl. Remove dead code.
14053 (remap_type_1): Check for existing mapping.
14054 (remap_type): Export.
14055 (remap_decls): Update for member name changes.
14056 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14057 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14058 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14059 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14060 (tree_function_versioning, build_duplicate_type): Likewise.
14061 (copy_body_r): Likewise. Export.
14062 (copy_decl_for_dup): Split into ...
14063 (copy_decl_for_dup_finish, copy_decl_to_var,
14064 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14065 (replace_ref_tree, inlining_p): Remove.
14067 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14069 * ifcvt.c (if_convert): Make it static.
14070 * rtl.h: Remove the prototype for if_convert.
14072 * local-alloc.c (local_alloc): Make it static.
14073 * rtl.h: Remove the prototype for local_alloc.
14075 * loop.c (loop_optimize): Make it static.
14076 * cfgloop.h: Remove the prototype for loop_optimize.
14079 2006-01-16 DJ Delorie <dj@redhat.com>
14081 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14084 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14086 * pa.md: Disparage copies between general and floating-point registers
14087 in 32-bit move patterns.
14089 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14092 * Makefile.in (check-%): Depend on site.exp instead of
14093 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14096 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14098 * global.c (global_alloc): Make it static.
14099 * rtl.h: Remove the prototype for global_alloc.
14101 2006-01-16 Richard Guenther <rguenther@suse.de>
14103 * tree-ssa-alias.c (struct used_part): Add write_only field.
14104 (get_or_create_used_part_for): Initialize it to true.
14105 (create_overlap_variables_for): Don't create structure variables
14106 for structures that only are written to.
14107 (find_used_portions): Handle MODIFY_EXPR to track whether a
14108 structure is only written to.
14110 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14112 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14114 * basic-block.h: Remove the prototype for
14115 partition_hot_cold_basic_blocks.
14117 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14119 * cppspec.c (lang_specific_spec_functions): Remove.
14120 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14121 * gcc.h (lang_specific_spec_functions): Remove.
14122 * gccspec.c (lang_specific_spec_functions): Remove.
14124 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14126 * combine.c (record_value_for_reg): Invalidate registers
14128 (record_dead_and_set_regs_1): Likewise, by passing them to
14129 record_value_for_reg.
14130 (record_dead_and_set_regs): Invalidate stores made by a
14131 call. We do not combine across a call, but we still
14132 relied on equivalences.
14134 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14136 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14137 vrp_int_const_binop returning non-constant nodes.
14139 2006-01-16 Paul Brook <paul@codesourcery.com>
14141 * config/m68k/m68k.c (output_move_const_into_data_reg):
14142 Output correct mnemonic for mvz and mvs.
14144 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14146 * rtl-factoring.c: Add sequence abstraction algorithm.
14147 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14148 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14150 (block_has_preserve_label): New function.
14151 * common.opt: Register new pass.
14152 * Makefile.in: Ditto.
14154 * timevar.def: Ditto.
14155 * tree-pass.h: Ditto.
14156 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14157 * rtl.h (make_jump_insn_raw): Add forward decl.
14158 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14160 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14161 Roger Sayle <roger@eyesopen.com>
14163 * fold-const.c (fold_minmax): New static function.
14164 (fold_binary) <MIN_EXPR>: Call it.
14165 <MAX_EXPR>: Likewise.
14166 * stor-layout.c (place_field): Use DECL_SIZE consistently
14167 in the computation of the new record size.
14169 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14171 * cse.c (cse_condition_code_reg): Make it static.
14172 * rtl.h: Remove the prototype for cse_condition_code_reg.
14174 * combine.c (combine_instructions): Make it static.
14175 * rtl.h: Remove the prototype for combine_instructions.
14177 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14180 * tree.c (get_file_function_name_long): Concatenate the first global
14181 object name with a string derived from the input filename of the object
14184 2006-01-16 Ben Elliston <bje@au.ibm.com>
14186 * config/i386/winnt-stubs.c: Update FSF address.
14187 * config/xtensa/ieee754-df.S: Ditto.
14188 * config/xtensa/ieee754-sf.S: Ditto.
14190 2006-01-14 Ian Lance Taylor <ian@airs.com>
14192 * ifcvt.c (noce_init_if_info): New static function, broken out of
14193 noce_process_if_block.
14194 (noce_process_if_block): Call noce_init_if_info.
14195 (check_cond_move_block): New static function.
14196 (cond_move_process_if_block): New static function.
14197 (process_if_block): Call cond_move_process_if_block.
14199 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14201 * cselib.c (hash_table): Rename to cselib_hash_table.
14202 (cselib_clear_table, discard_useless_values,
14203 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14204 cselib_init, cselib_finish): Adjust uses of hash_table.
14206 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14208 PR tree-optimization/25485
14209 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14210 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14211 is known to be false and true, respectively.
14213 2006-01-14 Richard Guenther <rguenther@suse.de>
14215 PR tree-optimization/22548
14216 PR tree-optimization/22555
14217 PR tree-optimization/22501
14218 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14219 * params.def (salias-max-array-elements): New parameter.
14220 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14221 * doc/invoke.texi (salias-max-array-elements): Document.
14222 * tree-flow-inline.h (var_can_have_subvars): We also handle
14224 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14226 * tree-ssa-structalias.c (params.h): Include.
14227 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14228 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14229 (get_constraint_for): For ADDR_EXPR operating on something
14230 containing an ARRAY_REF, add all subvars to the solution.
14231 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14232 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14233 for creating MUST_DEFs.
14234 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14236 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14238 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14240 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14241 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14242 number_of_iterations_le): New functions.
14243 (number_of_iterations_special): Removed.
14244 (number_of_iterations_exit): Do not use number_of_iterations_special.
14245 * tree.c (unsigned_type_for): Always return integer type.
14247 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14248 Richard Guenther <rguenther@suse.de>
14250 PR rtl-optimization/24257
14251 * gcse.c (find_moveable_store): Only consider a store movable
14252 when the SET_SRC of the insn can be assigned to a register.
14254 2006-01-14 Ian Lance Taylor <ian@airs.com>
14256 * tree.c (tree_not_class_check_failed): New function.
14257 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14258 (tree_not_class_check_failed): Declare.
14260 2006-01-13 Ian Lance Taylor <ian@airs.com>
14262 * reload1.c (do_output_reload): Add assertion rejecting a
14265 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14267 * combine.c (struct reg_stat): Add new fields truncation_label and
14269 (record_value_for_reg): Reset truncated_to_mode.
14270 (record_truncated_value): New function.
14271 (check_promoted_subreg): Call it. Rename to check_conversions.
14272 (combine_instructions): Rename check_promoted_subreg to
14274 (reg_truncated_to_mode): New function.
14275 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14276 (gen_lowpart_or_truncate): New function.
14277 (force_to_mode): Use it instead of gen_lowpart.
14279 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14281 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14282 VAR is a tag, not its type tag.
14284 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14286 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14287 alternatives to match style of other entries.
14288 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14290 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14292 PR tree-optimization/25771
14293 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14296 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14299 * tree-inline.c (declare_return_variable): If the return variable
14300 was marked as a non gimple complex, set the return slot variable
14301 to be a non gimple comple variable.
14303 2006-01-13 Richard Guenther <rguenther@suse.de>
14305 * builtins.c (expand_builtin_sincos): New function.
14306 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14308 (expand_builtin): Expand sincos using expand_builtin_sincos.
14310 2006-01-12 DJ Delorie <dj@redhat.com>
14312 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14313 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14314 so that constant shifts can be split.
14315 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14316 (m32c_valid_pointer_mode): Make static.
14317 (shift_gen_func_for): New.
14318 (m32c_prepare_shift): Use it. Split large const shifts into
14320 * config/m32c/predicates.md (shiftcount_operand): Allow more
14322 (longshiftcount_operand): New.
14323 * doc/md.texi (Machine Constraints): Document In6.
14325 2006-01-13 Ben Elliston <bje@au.ibm.com>
14327 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14328 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14331 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14333 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14334 to try to avoid clobbering pieces of structures when we know
14335 something about the whole structure.
14336 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14338 2006-01-13 Ben Elliston <bje@au.ibm.com>
14340 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14341 return in memory, as this is no limitation is no longer present.
14343 2006-01-12 DJ Delorie <dj@redhat.com>
14345 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14346 mova with fb, and for fb+0 -> An.
14348 * config/m32c/mov.md (peephole2): Fix enabling logic.
14350 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14351 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14352 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14353 FINI_ARRAY_SECTION_ASM_OP): Define.
14355 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14357 (m32c_legitimize_reload_address): New logic to reload FB to An.
14358 (m32c_output_reg_push): Add newline.
14359 (m32c_output_reg_pop): Likewise.
14361 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14363 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14365 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14367 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14369 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14371 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14374 2006-01-11 Ben Elliston <bje@au.ibm.com>
14376 * rtlanal.c (find_reg_note): Assert insn is not null.
14378 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14380 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14383 2006-01-11 Jeff Law <law@redhat.com>
14385 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14387 (mark_threaded_blocks, register_jump_thread): New functions.
14388 (thread_through_all_blocks): Remove unwanted argument. No
14389 longer rely on e->aux to communicate thread target info.
14390 Call mark_threaded_blocks. Release the threaded_blocks
14391 bitmap and threaded_edges vector when complete.
14392 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14393 (threaded_blocks): Remove.
14394 (tree_ssa_dominator_optimize): Remove initialization and
14395 finalization of threaded_blocks. Simplify call to
14396 thread_through_all_blocks.
14397 (thread_across_edge): Call register_jump_thread rather than
14398 storing thread information into e->aux.
14399 (free_all_edge_infos): Simplify now that e->aux is no longer
14400 used to communicate with thread_through_all_blocks.
14401 * tree-flow.h (thread_through_all_blocks): Update prototype.
14402 (register_jump_thread): Prototype.
14404 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14406 * df-core.c (df_compact_blocks, df_bb_replace): Use
14407 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14409 2006-01-11 Richard Guenther <rguenther@suse.de>
14411 PR tree-optimization/25734
14412 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14413 stop propagation after successful propagation to the LHS.
14415 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14417 * basic-block.h (control_flow_graph): Change the type of
14418 x_basic_block_info to VEC(basic_block,gc) *.
14419 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14421 (SET_BASIC_BLOCK): New.
14422 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14423 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14424 * cfgbuild.c (find_basic_blocks): Likewise.
14425 * cfglayout.c (fixup_reorder_chain): Likewise.
14426 * cfgrtl.c (create_basic_block_structure,
14427 rtl_create_basic_block): Likewise.
14428 * ifcvt.c (find_if_case_1): Likewise.
14429 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14432 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14434 * Makefile.in: Removed rotted odf.c entry.
14436 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14439 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14440 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14441 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14442 output pattern modifier, not %e.
14443 * config/cris/cris.c (cris_op_str): Update comment about pattern
14445 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14446 before falling through into...
14447 <case 'E'>: Redefined from old 'e' case.
14449 2006-01-11 Jan Hubicka <jh@suse.cz>
14452 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14454 2006-01-11 Jan Hubicka <jh@suse.cz>
14456 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14457 * i386.c (x86_decompose_lea): Kill.
14458 (ix86_rtx_costs): Kill.
14460 2006-01-11 Jan Hubicka <jh@suse.cz>
14462 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14463 * cgraph.h (cgraph_node): Add inline_decl.
14464 (cgraph_insert_node_to_hashtable): Declare.
14465 (save_inline_function_body): Declare.
14466 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14468 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14469 (cgraph_function_versioning): Update call of tree_function_versioning.
14470 (save_inline_function_body): New function.
14471 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14472 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14473 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14474 (cgraph_default_inline_p): Likewise.
14475 (cgraph_decide_inlining_incrementally): Likewise.
14476 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14477 (copy_bb): Kill saving; do updating of clones.
14478 (copy_cfg_body): Kill saving.
14479 (initialize_inlined-parameters): Likewise.
14480 (expand_call_inline): Likewise.
14482 (tree_function_versioning): New parameter "update_clones".
14483 (inlining_p): Kill saving.
14484 * tree-inline.h (tree_function_versioning): Update prototype.
14485 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14488 2006-01-11 Ian Lance Taylor <ian@airs.com>
14490 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14491 Allow undoing set of machine mode.
14492 (do_SUBST): Use enums instead of is_int.
14493 (do_SUBST_MODE): New function.
14494 (SUBST_MODE): New macro.
14495 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14496 reg and trying to replace reg_regno_rtx with a new register.
14497 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14498 (simplify_set): Use SUBST_MODE.
14499 (distribute_notes): Remove code that tried to update reg notes
14500 for regno_reg_rtx changes.
14502 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14504 PR tree-optimization/23109
14505 PR tree-optimization/23948
14506 PR tree-optimization/24123
14508 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14509 * tree-cfg.c (single_noncomplex_succ): New.
14510 * tree-flow.h (single_noncomplex_succ): Declare it.
14511 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14512 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14513 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14514 insert_bb, register_division_in, insert_reciprocals,
14515 replace_reciprocal, free_bb): New.
14516 (execute_cse_reciprocals_1): Rewritten.
14517 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14518 Do not commit any edge insertion. Always compute dominators and
14519 create the allocation pool.
14520 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14521 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14522 * targhooks.c (default_min_divistions_for_recip_mul): New.
14523 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14524 * passes.c (init_optimization_passes): Run recip after tree loop
14526 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14528 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14529 Kenneth Zadeck <zadeck@naturalbridge.com>
14531 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14532 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14533 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14534 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14535 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14536 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14537 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14538 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14539 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14540 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14541 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14542 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14543 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14544 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14545 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14546 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14547 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14548 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14549 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14550 DF_SCAN_POST_ALLOC): New macros.
14551 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14552 df_free_bb_function, df_local_compute_function, df_init_function,
14553 df_dataflow_function, df_confluence_function_0,
14554 df_confluence_function_n, df_transfer_function,
14555 df_finalizer_function, df_free_function, df_dump_problem_function,
14556 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14557 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14558 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14559 df_urec_bb_info, ) New types.
14560 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14562 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14563 df_analyze_simple_change_some_blocks,
14564 df_analyze_simple_change_one_block, df_compact_blocks,
14565 df_bb_replace, df_bb_regno_last_use_find,
14566 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14567 df_insn_regno_def_p, df_find_def, df_find_use,
14568 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14569 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14570 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14571 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14572 debug_df_chain, df_get_dependent_problem, df_chain_create,
14573 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14574 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14575 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14576 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14577 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14578 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14579 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14580 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14581 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14582 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14583 df_reorganize_refs, df_set_state, df_hard_reg_init,
14584 df_read_modify_subreg_p) New public functions.
14585 * df-core.c: The core dataflow solver and glue routines for rtl
14587 (df_init, df_add_problem, df_set_blocks, df_finish,
14588 df_hybrid_search_forward, df_hybrid_search_backward,
14589 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14590 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14591 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14592 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14593 df_reg_defined, df_find_use, df_reg_used, df_dump,
14594 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14595 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14596 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14597 debug_df_useno, reset_df_after_reload): New functions.
14598 * df-scan.c: The scanning fuctions, once in df.c, completely
14599 rewritten so that they now fully model the functionality of
14600 register usage at the backend.
14601 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14602 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14603 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14604 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14605 df_get_artificial_defs, df_get_artificial_uses,
14606 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14607 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14608 df_refs_delete, df_reorganize_refs, df_set_state,
14609 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14610 df_def_record_1, df_defs_record, df_uses_record,
14611 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14612 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14613 df_record_exit_block_uses, df_hard_reg_init): New functions.
14615 * df-problems.c: Seven concrete dataflow problems that use the
14616 scanning in df-scan.c and are solved by the engine in df-core.c.
14617 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14618 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14619 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14620 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14621 df_ru_free_bb_info, df_ru_alloc,
14622 df_ru_bb_local_compute_process_def,
14623 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14624 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14625 df_ru_transfer_function, df_ru_free, df_ru_dump,
14626 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14627 df_rd_free_bb_info, df_rd_alloc,
14628 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14629 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14630 df_rd_transfer_function, df_rd_free, df_rd_dump,
14631 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14632 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14633 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14634 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14635 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14636 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14637 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14638 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14639 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14640 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14641 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14642 df_urec_mark_reg_use_for_earlyclobber,
14643 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14644 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14645 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14646 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14647 df_chain_create_bb_process_use, df_chain_create_bb,
14648 df_chain_finalize, df_chain_free, df_chains_dump,
14649 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14650 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14651 df_reg_lifetime): New functions.
14652 * df.c: Deleted file.
14653 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14654 consistent with new df api.
14655 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14656 rest_of_handle_sms): Ditto.
14657 * web.c (unionfind_union, union_defs, entry_register, web_main):
14659 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14660 invariant_expr_equal_p, find_defs, check_dependencies,
14661 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14662 free_inv_motion_data, move_loop_invariants): Ditto.
14663 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14664 Update dependencies.
14665 (odf.c): Added defective entry that was deleted later in day.
14666 * sched-deps.c (sched_analyze_1): Ditto.
14668 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14670 * tree-ssa-operands.c (get_expr_operands): Record addressable
14671 variables directly. Do not call add_stmt_operands for CONST_DECLs
14673 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14674 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14676 2006-01-11 Ben Elliston <bje@au.ibm.com>
14678 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14679 function returns true in the positive case.
14681 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14684 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14685 for SI, DI, SF and DF modes. Add alternatives to copy between
14686 general and floating point registers to the 32-bit patterns.
14687 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14688 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14689 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14690 generating 64-bit code.
14691 * config/pa/pa.c (output_move_double): Handle copies between general
14692 and floating registers.
14694 2006-01-10 Stuart Hastings <stuart@apple.com>
14696 * config/i386/i386.md (set_got): Update.
14697 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14698 (builtin_setjmp_receiver): Mach-O support.
14699 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14700 (GOT_SYMBOL_NAME): Define.
14701 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14702 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14703 * config/i386/i386.c (override_options): Revise for Darwin.
14704 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14705 support. (darwin_x86_file_end): New. (output_set_got): Add label
14706 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14707 * config/i386/i386-protos.h (output_set_got): Likewise.
14708 * config/darwin.c (machopic_legitimize_pic_address): Update
14711 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14713 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14714 when MODE isn't BLKmode.
14716 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14718 PR rtl-optimization/25367
14719 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14721 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14724 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14725 for a negative bound.
14727 2006-01-10 Richard Guenther <rguenther@suse.de>
14729 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14730 Never override with anything constraint.
14732 2006-01-10 Jan Beulich <jbeulich@novell.com>
14734 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14735 256 bits when optimize_size.
14737 2006-01-10 Jan Beulich <jbeulich@novell.com>
14739 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14741 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14742 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14745 2006-01-10 Ben Elliston <bje@au.ibm.com>
14747 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14749 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14750 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14751 (USE_FP_FOR_ARG): Reject decimal float modes.
14752 (function_arg_advance): Likewise.
14753 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14754 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14755 point types in AltiVec vectors.
14756 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14757 (rs6000_libcall_value): Likewise.
14759 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14761 * config/xtensa/ieee754-df.S: New file.
14762 * config/xtensa/ieee754-sf.S: New file.
14763 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14764 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14765 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14767 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14769 * config/sh/predicates.md (binary_float_operator,
14770 binary_logical_operator, commutative_float_operator,
14771 equality_comparison_operator, greater_comparison_operator,
14772 less_comparison_operator, logical_operator,
14773 noncommutative_float_operator, shift_operator,
14774 symbol_ref_operand, unary_float_operator): Remove redundant
14777 2006-01-09 Jeff Law <law@redhat.com>
14779 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14780 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14781 now unused arguments. Callers updated.
14782 (eliminate_redundant_computations): Remove now unused arguments,
14784 (local_fold): Remove, no longer used.
14785 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14787 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14788 (simplify_cond): New function.
14789 (forward_propagate_into_cond): Call simplify_cond.
14791 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14793 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14794 (*vec_extractv2di_1_sse): New.
14796 2006-01-09 Ben Elliston <bje@au.ibm.com>
14798 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14800 2006-01-08 Richard Guenther <rguenther@suse.de>
14802 * tree-ssa-structalias.c (get_constraint_for): Remove
14803 anyoffset argument.
14804 (get_constraint_for_component_ref): Likewise.
14805 (do_deref): Likewise.
14806 (get_constraint_for): Likewise.
14807 (do_structure_copy): Likewise.
14808 (handle_ptr_arith): Likewise.
14809 (find_func_aliases): Likewise. Remove unused need_anyoffset
14812 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14813 Kaz Kojima <kkojima@gcc.gnu.org>
14815 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14816 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14817 (EXTRA_CONSTRAINT_C16): Remove.
14818 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14819 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14820 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14821 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14822 constants of SHmedia. Handle nested constant expressions of
14824 (andcosts): Fix the costs for SHmedia constants.
14825 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14826 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14827 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14828 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14829 (movv4hi_i, movv2si_i): Likewise.
14830 (movsi_const): Adjust the second operand of ior so to match with
14831 the Csu constraint.
14832 (movdi_const, movdi_const_32bit): Likewise.
14833 (movdi_const_16bit+1): Don't sign-extend LOW.
14834 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14836 (*double_shori): Fix the split condition. Use GEN_INT instead
14837 of get_int_mode calls. Mask lower 16-bit of the argument of
14839 (sym2GOTPLT): Remove.
14840 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14842 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14843 instead of EXTRA_CONSTRAINT_C16.
14845 2006-01-07 Ian Lance Taylor <ian@airs.com>
14846 David Edelsohn <edelsohn@gnu.org>
14848 PR rtl-optimization/25662
14849 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14850 for constant operands instead of simplify_gen_binary.
14851 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14852 after trying simplify_binary_operation
14854 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14856 * tree.c (iterative_hash_expr): Hash decls based on UID.
14858 2006-01-06 Eric Christopher <echristo@apple.com>
14860 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14861 (TARGET_UNWIND_EMIT): Fix spelling.
14862 * target.h (gcc_target): Add except_table_label.
14863 * except.c (output_function_exception_table): Use.
14864 * varasm.c (default_emit_except_table_label): New.
14865 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14867 (asm_out): Add here.
14868 * output.h (default_emit_except_table_label): Prototype.
14869 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14870 * config/darwin.c (darwin_emit_except_table_label): Define.
14871 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14873 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14875 PR tree-optimization/18527
14876 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14877 number_of_iterations_special, number_of_iterations_exit):
14878 Move base and step of an iv to a single structure. Add
14879 no_overflow flag, and use it in # of iterations analysis.
14880 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14881 folded_casts argument.
14882 (simple_iv): Pass base and step in a structure. Set no_overflow
14884 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14885 Evaluate expensiveness of computing # of iterations instead of
14886 the final expression.
14887 * tree-scalar-evolution.h (affine_iv): New structure.
14888 (simple_iv): Declaration changed.
14889 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14890 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14891 find_givs_in_stmt): Changed due to simple_iv change.
14893 2006-01-06 Jeff Law <law@redhat.com>
14896 * tree-cfg.c (bsi_replace): Rename final argument from
14897 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14898 change (stmt -> orig_stmt).
14899 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14900 (bsi_remove): Add new argument. Remove EH information
14902 (verify_eh_throw_table_statements): New function.
14903 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14905 * tree-optimize.c (execute_free_cfg_annotations): Verify
14906 the EH throw statement table after removing annotations.
14907 * except.h (verify_eh_throw_table_statements): Prototype.
14908 * tree-flow.h (bsi_remove): Update prototype.
14909 * tree-vrp.c (remove_range_assertions): Add new argument to
14911 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14912 * tree-complex.c (expand_complex_div_wide): Likewise.
14913 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14914 * tree-tailcall.c (eliminate_tailcall): Likewise.
14915 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14916 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14917 * tree-nrv.c (tree_nrv): Likewise.
14918 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14919 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14920 (combine_blocks): Likewise.
14921 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14922 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14923 (cleanup_control_flow): Likewise.
14924 (remove_forwarder_block): Likewise.
14925 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14926 * tree-sra.c (sra_replace): Likewise.
14927 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14928 (forward_propagate_single_use_vars): Likewise.
14929 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14930 * tree-inline.c (expand_call_inline): Likewise.
14931 * tree-vect-transform.c (vect_transform_loop): Likewise.
14932 * tree-outof-ssa.c (rewrite_trees): Likewise.
14933 * tree-cfg.c (make_goto_expr_edges): Likewise.
14934 (cleanup_dead_labels): Likewise.
14935 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14936 (bsi_move_before, bsi_move_after): Likewise.
14937 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14938 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14940 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14943 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14945 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14946 on non gimple variables. Also add checks at the top for decls and
14948 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14950 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14951 and IMAGPART_EXPR for creating MUST_DEFs.
14952 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14953 and NAME_MEMORY_TAG separately from the DECLs.
14955 2006-01-06 Richard Guenther <rguenther@suse.de>
14957 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14958 annotation, if necessary.
14959 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14960 redundant calls to update_stmt.
14961 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14964 2006-01-05 Richard Henderson <rth@redhat.com>
14966 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14968 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14970 * c-typeck.c: Update copyright date.
14972 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14974 * c-typeck.c (build_c_cast): Always warn when casting
14975 from a pointer to an integer of different size, even if
14976 the node was constant.
14978 2006-01-05 Richard Guenther <rguenther@suse.de>
14980 PR tree-optimization/22555
14981 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14982 if one structure field is an array.
14983 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14984 operands even if we found a subvar, but ignore VOPs in this
14986 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14988 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14990 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14992 PR middle-end/24998
14993 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14995 2006-01-05 Richard Guenther <rguenther@suse.de>
14996 Diego Novillo <dnovillo@redhat.com>
14998 * tree-pass.h (TODO_remove_unused_locals): Define.
14999 * gimple-low.c (expand_var_p, remove_useless_vars,
15000 pass_remove_useless_vars): Remove. Update all users.
15001 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15002 (remove_unused_locals): New function.
15003 * tree-flow.h (remove_unused_locals): Declare.
15004 * passes.c (execute_todo): Call remove_unused_locals if
15005 TODO_remove_unused_locals is set.
15006 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15007 * tree-ssa-dce.c (pass_dce): Likewise.
15008 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15010 2006-01-05 Richard Guenther <rguenther@suse.de>
15012 * tree-flow.h (struct fieldoff): Decompose field to
15013 type, size and decl.
15014 * tree-ssa-alias.c (create_sft): Take type as parameter.
15015 (create_overlap_variables_for): Store type, size and decl
15016 in the fieldoff structure.
15017 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15018 of struct fieldoff.
15019 (push_fields_onto_fieldstack): Likewise.
15020 (create_variable_info_for): Likewise. Use offset for the
15021 SFT name if the decl is not available.
15023 2006-01-04 Paul Brook <paul@codesourcery.com>
15025 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15027 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15029 * lambda-code.c (can_put_in_inner_loop): Relax
15031 (can_put_after_inner_loop): New function.
15032 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15033 (perfect_nestify): Change to make copies and modify uses.
15035 2006-01-04 Richard Henderson <rth@redhat.com>
15037 Merge from gomp branch:
15038 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15039 via integer constant.
15040 (pragma_lex): Remove.
15041 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15042 rather than parsing it.
15043 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15044 handle_pragma_extern_prefix): Add %< %> quotes.
15045 (registered_pragmas): New.
15046 (c_register_pragma_1): New.
15047 (c_register_pragma): Use it.
15048 (c_register_pragma_with_expansion): Likewise.
15049 (c_invoke_pragma_handler): New.
15050 (init_pragma): Use cpp_register_deferred_pragma directly for
15052 * c-pragma.h (enum pragma_kind): New.
15053 (pragma_handler): New.
15054 (c_invoke_pragma_handler): Declare.
15055 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15057 * c-common.h (c_common_pch_pragma): Update decl.
15058 * Makefile.in (c-parser.o): Update dependencies.
15059 (GTFILES): Add c-pragma.h.
15060 * c-parser.c (struct c_token): Add pragma_kind.
15061 (struct c_parser): Add in_pragma.
15062 (c_lex_one_token): Always initialize keyword and pragma_kind.
15063 Extract data for CPP_PRAGMA.
15064 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15065 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15066 Don't allow CPP_PRAGMA_EOL if in_pragma.
15067 (c_parser_consume_pragma): New.
15068 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15069 (c_parser_skip_to_end_of_parameter): Likewise.
15070 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15071 (c_parser_skip_to_pragma_eol): New.
15072 (c_parser_external_declaration): Handle CPP_PRAGMA.
15073 (c_parser_compound_statement_nostart): Likewise.
15074 (c_parser_statement_after_labels): Likewise.
15075 (c_parser_pragma): New.
15076 (pragma_lex): Likewise.
15077 (c_parser_pragma_pch_preprocess): New.
15078 (c_parser_new): Merge into ...
15079 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15081 2006-01-04 Jeff Law <law@redhat.com>
15084 * tree-cfg.c (bsi_replace): Remove the original statement
15085 from the EH throw statement table.
15087 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15089 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15090 make the prototype extern "C" and add throw ().
15093 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15094 and pos non-negative and pos + len <= 32.
15095 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15096 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15097 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15100 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15101 as well as sizes not multiple of component size.
15104 * function.c (instantiate_expr): New function.
15105 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15106 walk its DECL_VALUE_EXPR with instantiate_expr.
15108 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15109 DW_OP_deref{,_size} if address isn't going to be added.
15111 2006-01-04 Ben Elliston <bje@au.ibm.com>
15113 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15114 * config/fp-bit.c: Likewise.
15116 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15118 * dominance.c: Add comment about why we use DFS numbering
15121 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15122 Richard Henderson <rth@redhat.com>
15124 Merge from gomp-branch:
15125 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15126 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15128 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15130 PR rtl-optimization/25578
15131 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15132 pass a parameter to simplify_shift_const if changing ASHIFTRT
15135 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15137 * builtins.c (get_builtin_sync_mem): New function.
15138 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15139 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15140 Call get_builtin_sync_mem to generate mem rtx.
15142 2006-01-03 Richard Guenther <rguenther@suse.de>
15145 * stmt.c (add_case_node): Make sure to clear overflow flags
15148 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15150 Merge from gomp-branch.
15151 * config/sparc/sync.md: New file.
15152 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15153 UNSPECV_LDSTUB): New constants.
15154 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15155 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15156 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15159 2006-01-03 Roger Sayle <roger@eyesopen.com>
15161 * combine.c (reg_subword_p): New predicate to test whether the
15162 destination of a set refers to a subword/piece of a register.
15163 (try_combine): Generalize the code to merge the setting of a
15164 pseudo to a constant followed by a set of a subword of that
15165 register to a constant.
15167 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15169 * basic-block.h (control_flow_graph): Change the type of
15170 x_label_to_block_map to VEC(basic_block,gc) *.
15171 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15172 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15174 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15175 VEC(basic_block,heap) *.
15176 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15177 ssa_prop_fini): Adjust the uses of cfg_blocks.
15179 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15181 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15183 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15184 hashing trees instead of a pointer hash.
15185 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15186 compare for MEM_EXPR.
15188 PR rtl-optimization/25130
15189 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15190 when comparing MEMs for GCSE
15192 2006-01-03 Ben Elliston <bje@au.ibm.com>
15194 * targhooks.h (default_decimal_float_supported_p): Declare.
15195 * targhooks.c (default_decimal_float_supported_p): Define.
15196 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15197 `default_decimal_float_supported_p'.
15198 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15200 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15202 * combine.c (apply_distributive_law <SUBREG>): Check
15203 TRULY_NOOP_TRUNCATION.
15205 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15207 * dwarf2out.c (have_switched_text_section): Delete.
15208 (have_multiple_function_sections): New.
15209 (have_location_lists): Make 'bool'.
15210 (add_AT_loc_list): Use 'true' not '1'.
15211 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15212 (output_loc_list): Use have_multiple_function_sections.
15213 (output_ranges): Likewise.
15214 (dwarf2out_begin_function): Set have_multiple_function_sections if
15216 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15217 Check function_section rather than DECL_SECTION_NAME.
15218 (dwarf2out_finish): Use have_multiple_function_sections.
15219 Don't clear have_location_lists.
15221 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15222 Jan Hubicka <jh@suse.cz>
15224 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15225 case of conditional jump jumping to the next instruction.
15226 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15227 cases of conditional jump jumping to the next instruction.
15229 2006-01-02 Jan Hubicka <jh@suse.cz>
15231 * i386.c (*_cost): Add COSTS_N_INSNS.
15232 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15234 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15237 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15239 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15241 * config/arm/arm.c (all_fpus): Fix comment typo.
15242 * config/darwin.c: Likewise.
15243 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15244 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15245 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15247 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15249 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15250 (rs6000_split_compare_and_swapqhi): New.
15251 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15252 (sync_compare_and_swapqhi_internal): New.
15253 * config/rs6000/rs6000-protos.h: Declare.