1 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
5 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
7 than replicating condition above.
8 * config.host (i[34567]86-*-*): Always use driver-i386.o.
10 * config/darwin.h (LINK_SYSROOT_SPEC): New.
11 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
12 the linker by default.
14 2006-09-22 Mike Stump <mrs@apple.com>
16 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
19 2006-09-22 Richard Guenther <rguenther@suse.de>
22 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
23 sort of stack variables stable.
25 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
28 * explow.c (force_reg): Set REG_POINTER flag according to
31 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
33 PR tree-optimization/28888
34 * tree-if-conv.c (combine_blocks): Rewritten.
35 * tree-cfg.c (tree_verify_flow_info): Check that edges with
36 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
38 2006-09-22 Jakub Jelinek <jakub@redhat.com>
40 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
43 2006-09-21 Richard Sandiford <richard@codesourcery.com>
45 * varasm.c (copy_constant): Fix reversed gcc_assert check.
47 2006-09-21 Janis Johnson <janis187@us.ibm.com>
49 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
51 2006-09-21 Roger Sayle <roger@eyesopen.com>
54 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
55 dw_fde_current_label, to be the start of the function, i.e. the same
56 value as dw_fde_begin.
58 2006-09-20 Richard Sandiford <richard@codesourcery.com>
60 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
61 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
62 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
63 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
64 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
65 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
66 (abs<mode>2, neg<mode>2): Likewise.
67 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
68 (*mips_abs_ps): New define_insn.
70 2006-09-20 Josh Conner <jconner@apple.com>
73 * calls.c (expand_call): Allow reuse of structure return stack
76 2006-09-20 Paul Brook <paul@codesourcery.com>
78 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
81 2006-09-20 Janis Johnson <janis187@us.ibm.com>
83 * doc/extend.texi (Decimal Float): Update for latest draft TR,
86 2006-09-20 Steve Ellcey <sje@cup.hp.com>
89 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
90 with tablejumps in them.
92 2006-09-20 Jakub Jelinek <jakub@redhat.com>
95 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
96 wrap it into TARGET_EXPR.
98 2006-09-20 Eric Christopher <echristo@apple.com>
100 * config/i386/i386.c (x86_fisttp): Remove.
101 * config/i386/i386.h (x86_fisttp): Ditto.
102 (TARGET_FISTTP): Ditto.
104 2006-09-19 Eric Christopher <echristo@apple.com>
106 * doc/tm.texi (OBJC_JBLEN): Describe.
107 * config/i386/darwin.h (OBJC_JBLEN): Define.
108 * config/rs6000/darwin.h: Ditto.
110 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
112 PR rtl-optimization/21299
113 * reload1.c (reload): Purge invalid ASMs in the final pass.
115 2006-09-19 Steve Ellcey <sje@cup.hp.com>
118 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
119 pointers as legitimate constants.
121 2006-09-19 Paul Brook <paul@codesourcery.com>
124 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
126 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
128 PR tree-optimization/28887
129 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
130 component parts from the reference.
131 (gather_memory_references_ref): Record the reference without the
132 nonaddressable component parts.
134 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
137 * c-opts.c (c_common_handle_option): Ignore the -std options
138 if the input language is assembly.
140 2006-09-17 Ira Rosen <irar@il.ibm.com>
143 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
145 (ptr_ptr_may_alias_p): Likewise.
146 (record_record_differ_p): New function.
147 (base_object_differ_p): Call record_record_differ_p.
149 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
152 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
153 away for the expr argument.
155 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
158 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
159 before using it for dumping after vectorizing loops.
161 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
162 Jack Howarth <howarth@bromo.med.uc.edu>
165 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
166 skip on error_mark_node.
167 (rs6000_darwin64_record_arg_recurse): Likewise.
169 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
171 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
172 * doc/rtl.texi: Remove related documentation.
174 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
176 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
179 2006-09-15 Jim Wilson <wilson@specifix.com>
181 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
182 Handle symbol offsets same as they are handled in ia64_expand_move
185 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
187 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
188 Add forgotten parameter to the fprintf call.
190 2006-09-15 Steve Ellcey <sje@cup.hp.com>
192 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
194 2006-09-15 Uros Bizjak <uros@kss-loka.si>
196 * doc/contrib.texi: Add my entry.
198 2006-09-15 Nick Clifton <nickc@redhat.com>
200 * doc/md.texi (Processor pipeline description): Fix typo in
201 example of how to use the absence_set directive and reword the
202 description to make it slightly easier to read.
204 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
206 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
207 * loop-doloop.c (doloop_optimize): Use it to limit costs of
208 expanding the number of iterations.
209 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
211 * cfgrtl.c (emit_insn_at_entry): New function.
212 * rtl.h (emit_insn_at_entry): Declare it.
213 * integrate.c (emit_initial_value_sets): Use it.
215 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
217 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
219 (struct loop_work and related VEC declarations): Delete.
220 (bfin_dump_loops): Print out new member bad.
221 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
222 (bfin_scan_loop): Don't recurse.
223 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
224 loops. No longer need to update outer loops if the current one is
225 found bad. Move some validitiy checks to bfin_discover_loop.
226 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
227 but changed not to check for nesting. Also changed to use the new bad
229 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
230 time. Use bitmap based test to discover loop nesting.
232 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
234 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
237 2006-09-14 Richard Guenther <rguenther@suse.de>
238 Kazu Hirata <kazu@codesourcery.com>
241 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
242 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
243 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
244 with TARGET_FUNCTION_VALUE.
246 2006-09-14 Anatoly Sokolov <aesok@post.ru>
249 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
251 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
253 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
256 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
259 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
262 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
264 * basic_block.h (bb_has_eh_pred): Fix comment.
266 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
268 * flow.c (calculate_global_regs_live): Invalidate eh registers
269 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
270 (propagate_block): Handle eh registers as if they were set at basic
272 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
274 * global.c (global_conflicts): Make eh registers to conflict with
275 pseudos live at basic block begin.
276 * basic_block.h (bb_has_eh_pred): New function.
278 2006-09-13 Richard Sandiford <richard@codesourcery.com>
280 PR rtl-optimization/28982
281 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
282 index of a PRE_MODIFY or POST_MODIFY address.
283 * reload1.c (inc_for_reload): Use find_replacement on the original
284 base and index registers.
286 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
288 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
289 for -Os. Update __m128 alignment requirement.
291 2006-09-13 Jan Hubicka <jh@suse.cz>
293 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
295 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
297 PR rtl-optimization/28243
298 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
299 the insn to which the note was originally attached.
301 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
302 Roger Sayle <roger@eyesopen.com>
304 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
305 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
306 on platforms that don't use dwarf for debug info.
308 2006-09-12 Jason Merrill <jason@redhat.com>
311 * builtins.c (expand_builtin_setjmp_receiver): Clobber
312 hard_frame_pointer_rtx after using it to update the frame pointer.
314 2006-09-12 Roger Sayle <roger@eyesopen.com>
316 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
317 (TARGET_ASM_CLOSE_PAREN): Likewise.
318 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
319 (TARGET_ASM_CLOSE_PAREN): Likewise.
321 2006-09-12 Roger Sayle <roger@eyesopen.com>
324 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
325 frame information for frames larger than 512 Kbytes on Tru64 when
326 using the native assembler.
328 2006-09-12 Roger Sayle <roger@eyesopen.com>
332 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
333 and symbols. Instead use the implementation from cse.c's hash_rtx.
335 2006-09-12 Jan Hubicka <jh@suse.cz>
337 PR rtl-optimization/28071
338 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
339 (vect_transform_loop): Likewise.
340 * tree-vectorizer.c (new_loop_vec_info): Likewise.
341 (new_loop_vec_info): Likewise.
342 (destroy_loop_vec_info): Likewise.
343 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
344 (create_stmt_ann): Likewise.
345 (create_tree_ann): Rename to ...
346 (create_tree_common_ann): ... this one; allocate only the common part
348 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
349 (get_value_handle): Likewise.
350 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
352 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
353 (vinfo_for_stmt): Use stmt annotations.
354 * tree-flow.h (tree_ann_common_t): New type.
355 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
356 (tree_ann, get_tree_ann, create_tree_ann): New.
357 * tree-flow-inline.h (get_function_ann): Do more type checking.
358 (stmt_ann): Likewise.
359 (tree_ann): Rename to ...
360 (tree_common_ann): ... this one; return ony common_ann
361 (get_tree_ann): Rename to ...
362 (tree_common_ann): This one; return only common_ann.
363 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
366 2006-09-11 Geoffrey Keating <geoffk@apple.com>
368 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
371 * dwarf2out.c (dwarf_file_data): New.
372 (enum dw_val_class): Add dw_val_class_file.
373 (struct dw_val_struct): Add val_file.
374 (file_table): Change to a hash table.
375 (file_table_emitted): Delete.
376 (file_table_last_lookup_index): Delete.
378 (last_emitted_file): New.
379 (lookup_filename): Change prototype to return a struct dwarf_file_data.
380 (init_file_table): Delete.
381 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
382 (AT_addr): Add comment.
386 (print_die): Handle dw_val_class_file.
387 (print_dwarf_line_table): Update for new file table structure.
388 (attr_checksum): Do checksum a filename.
389 (same_dw_val_p, same_attr_p): Do compare a filename.
390 (size_of_die): Handle dw_val_class_file.
391 (value_format): Likewise.
392 (output_die): Likewise. Also, call maybe_emit_file here.
393 (struct file_info): Constify filenames. Make file_idx a pointer
394 to a struct dwarf_file_data.
395 (struct dir_info): Constify directory names. Remove 'used' field.
396 (struct file_name_acquire_data): New.
397 (file_name_acquire): New.
398 (output_file_names): Modify to handle new file data structures.
399 (add_src_coords_attributes): Use add_AT_file.
400 (add_call_src_coords_attributes): Likewise.
401 (dwarf2out_imported_module_or_decl): Likewise.
402 (gen_subprogram_die): Modify for new file data structures.
403 (gen_variable_die): Likewise.
404 (file_table_eq): New.
405 (file_table_hash): New.
406 (file_table_last_lookup): New.
407 (lookup_filename): Rewrite to handle new file data structures.
408 (maybe_emit_file): Rewrite to handle new file data structures.
409 (dwarf2out_source_line): Always call lookup_filename and
411 (dwarf2out_init): Create file_table here.
412 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
413 (file_table_relative_p): New.
414 (dwarf2out_finish): Change detection of relative filenames
415 to work with new file data structures. Move output_line_info call
416 after debug_info output.
418 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
423 * config/i386/i386.c (override_options): Always default to 16
426 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
429 * var-tracking.c (dump_dataflow_set): Start dumping at
431 (clobber_variable_part): Kill only the variable part in
432 registers holding it, leaving other variables alone.
434 2006-09-11 Josh Triplett <josh@freedesktop.org>
436 * doc/extend.texi (Other Builtins): Actually use the macro
437 argument in the documentation example for
438 __builtin_types_compatible_p.
440 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
442 PR rtl-optimization/28726
443 * sched-deps.c (sched_analyze_reg): New function extracted from...
444 (sched_analyze_1): ...here. Call it to analyze references to
445 registers. Treat again writes to a stack register as writing to the
447 (sched_analyze_2): ...and here. Call it to analyze references to
448 registers. Treat again reads of a stack register as reading the
451 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
452 David Edelsohn <edelsohn@gnu.org>
455 * config/rs6000/spe.md (frob_df_di): Remove %H.
456 (frob_di_df): Remove %H. Change evmergelo to mr.
457 (frob_di_df_2): Remove %H. Change evldd to two loads.
459 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
461 * doc/cpp.texi: Fix names of charset options.
463 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
466 * config/i386/i386.c (override_options): Use 128-bit
467 stack boundary always for 64bits.
469 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
471 PR rtl-optimization/28636
472 * combine.c (force_to_mode): Test for side-effects before
473 substituting by zero.
474 (simplify_shift_const): Likewise for zero or other constants.
476 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
479 * builtins.c (expand_builtin_setjmp): Force next_lab to be
482 2006-09-10 Richard Sandiford <richard@codesourcery.com>
485 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
486 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
487 returned by mode_for_size, rather than the mode of src itself,
488 to choose between 32-bit and 64-bit patterns.
489 (mips_mem_fits_mode_p): New function.
490 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
491 that the size of the source matches the size of the destination.
492 (mov_<store>l, mov_<store>r): Likewise.
494 2006-09-10 Eric Christopher <echristo@apple.com>
496 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
499 2006-09-09 Eric Christopher <echristo@apple.com>
502 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
505 2006-09-09 Roger Sayle <roger@eyesopen.com>
506 Nicolas Setton <setton@adacore.com>
508 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
510 2006-09-10 Andreas Schwab <schwab@suse.de>
512 * config/m68k/m68k.md (bungt_rev): New pattern.
514 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
515 Dale Johannesen <dalej@apple.com>
518 * regclass.c (struct reg_pref): Update documentation.
519 (regclass): Set prefclass to NO_REGS if memory is the best option.
520 (record_reg_classes): Cope with a prefclass set to NO_REGS.
522 2006-09-08 Eric Christopher <echristo@apple.com>
524 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
525 * config/t-slibgcc-darwin: Support x86_64 multilib.
526 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
527 Return 1 for x86_64-darwin.
528 * config/i386/t-darwin: Add m64 multilib.
529 (LIB2_SIDITI_CONV_FUNCS): Use.
530 (LIB2FUNCS_EXTRA): Ditto.
531 * config/i386/darwin.h: Support x86_64.
532 * config/i386/i386.c (override_options): Turn on flag_pic
533 for x86_64-darwin. Disable flag_omit_pointer.
534 (get_pc_thunk_name): Assert !TARGET_64BIT.
535 (legitimate_address_p): Disable machopic addressing for
537 (legitimize_pic_address): Ditto.
538 (ix86_expand_move): Ditto.
539 (ix86_expand_call): Ditto.
540 (machopic_output_stub): Ditto.
541 * config/darwin.c (machopic_select_section): Support literal16.
542 (machopic_select_rtx_section): Ditto.
543 * config/darwin-sections.def: Ditto.
544 * config/darwin-64.c: New.
546 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
549 * c-tree.h (struct c_arg_info): Add pending_sizes.
550 * c-parser.c (c_parser_parms_declarator,
551 c_parser_parms_list_declarator): Initialize pending_sizes.
552 * c-decl.c (get_parm_info): Initialize pending_sizes.
553 (get_parm_info): Set pending_sizes.
554 (grokdeclarator): Call put_pending_sizes for parameters for
555 function definition only.
557 2006-09-07 Jason Merrill <jason@redhat.com>
560 * varasm.c (output_constant): Only strip actual no-op conversions.
563 * config/i386/i386.c (override_options): Use 128-bit
564 stack boundary if -msse.
566 2006-09-07 Eric Christopher <echristo@apple.com>
568 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
570 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
573 2006-09-07 Geoffrey Keating <geoffk@apple.com>
575 * dwarf2out.c: Remove strange characters from comment above
576 dwarf2out_frame_debug_expr.
578 2006-09-07 Eric Christopher <echristo@apple.com>
580 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
581 * config/darwin.h: ... to here.
583 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
585 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
587 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
588 (TARGET_PARTIAL_FLAG_REG_STALL): New.
590 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
591 TARGET_PARTIAL_FLAG_REG_STALL.
592 (*ashldi3_cconly_rex64): Likewise.
593 (*ashlsi3_cmp): Likewise.
594 (*ashlsi3_cconly): Likewise.
595 (*ashlsi3_cmp_zext): Likewise.
596 (*ashlhi3_cmp): Likewise.
597 (*ashlhi3_cconly): Likewise.
598 (*ashlqi3_cmp): Likewise.
599 (*ashlqi3_cconly): Likewise.
600 (*ashrdi3_cmp_rex64): Likewise.
601 (*ashrdi3_cconly_rex64): Likewise.
602 (*ashrsi3_cmp): Likewise.
603 (*ashrsi3_cconly): Likewise.
604 (*ashrsi3_cmp_zext): Likewise.
605 (*ashrhi3_cmp): Likewise.
606 (*ashrhi3_cconly): Likewise.
607 (*ashrqi3_cmp): Likewise.
608 (*ashrqi3_cconly): Likewise.
609 (*lshrdi3_cmp_rex64): Likewise.
610 (*lshrdi3_cconly_rex64): Likewise.
611 (*lshrsi3_cmp): Likewise.
612 (*lshrsi3_cconly): Likewise.
613 (*lshrsi3_cmp_zext): Likewise.
614 (*lshrhi3_cmp): Likewise.
615 (*lshrhi3_cconly): Likewise.
616 (*lshrqi2_cmp): Likewise.
617 (*lshrqi2_cconly): Likewise.
619 2006-09-07 Uros Bizjak <uros@kss-loka.si>
622 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
623 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
624 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
625 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
626 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
627 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
628 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
629 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
630 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
631 implement only CC setting effects of shift instructions.
633 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
635 * doc/contrib.texi: Add myself.
637 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
640 * stor-layout.c (relayout_decl): Don't zero the alignment if it
643 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
646 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
647 (divsi_inv_m1): Use them.
648 (UNSPEC_DIV_INV_TABLE): New constant.
650 2006-09-06 James E Wilson <wilson@specifix.com>
653 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
654 then call count_or_remove_death_notes.
656 2006-09-06 Jason Merrill <jason@redhat.com>
659 * tree-inline.c (copy_result_decl_to_var): New fn.
660 (declare_return_variable): Use it. Call declare_inline_vars here.
661 (expand_call_inline): Not here.
663 2006-09-06 Diego Novillo <dnovillo@redhat.com>
665 * doc/contrib.texi: Update my entry.
667 2006-09-06 Nick Clifton <nickc@redhat.com>
669 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
671 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
674 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
675 (canonicalize_induction_variables): Likewise.
676 (tree_unroll_loops_completely): Likewise.
677 (tree_ssa_prefetch_arrays): Likewise.
678 (remove_empty_loops): Likewise.
679 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
680 TODO_cleanup_cfg instead of directly calling
681 cleanup_tree_cfg_loop.
682 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
684 (tree_unroll_loops_completely): Likewise.
685 (remove_empty_loops): Likewise.
686 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
687 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
688 of tree_ssa_unswitch_loops.
689 (tree_ssa_loop_ivcanon): Use the return value of
690 canonicalize_induction_variables.
691 (tree_ssa_empty_loop): Use the return value of
693 (tree_complete_unroll): Use the return value of
694 tree_unroll_loops_completely.
695 (tree_ssa_loop_prefetch): Use the return value of
696 tree_ssa_prefetch_arrays.
697 * passes.c (execute_todo): Before Cleanup CFG, set
698 updating_used_alone and after cleanup CFG, call
699 recalculate_used_alone.
701 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
704 * tree-vect-transform.c (vectorizable_condition): Move the check
705 for the type after the check for simple condition.
707 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
708 Kaz Kojima <kkojima@gcc.gnu.org>
711 * mode-switching.c (optimize_mode_switching): Make the destination
712 block of an abnormal edge have no anticipatable mode. Don't
713 insert mode switching code at the end of the source block of
716 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
718 PR rtl-optimization/26847
719 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
720 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
721 (simplify_plus_minus): Count n_constants while filling ops. Replace
722 qsort with insertion sort. Before going through the array to simplify
723 pairs, sort it. Delay early exit until after the first sort, exiting
724 only if no swaps occurred. Simplify pairs in reversed order, without
725 special-casing the first iteration. Pack ops after simplifying pairs.
727 2006-09-05 Anatoly Sokolov <aesok@post.ru>
729 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
730 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
731 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
732 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
734 2006-09-05 Richard Guenther <rguenther@suse.de>
736 PR tree-optimization/28900
737 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
738 compound conditional before creating COND_EXPR condition.
740 2006-09-05 Richard Guenther <rguenther@suse.de>
742 PR tree-optimization/28905
743 * tree-vrp.c (fix_equivalence_set): Manually implement
744 !value_ranges_intersect_p to also handle symbolic ranges.
746 2006-09-05 Richard Guenther <rguenther@suse.de>
749 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
752 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
754 PR rtl-optimization/27616
755 * cse.c (table_size): New static variable.
756 (new_basic_block): Initialize it to 0.
757 (remove_from_table): Decrement it.
758 (insert): Increment it.
759 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
760 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
761 fold_rtx_mem_1 if under the cap.
762 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
763 the lookup of the equivalent expression and test for equality of the
764 first operand of the equivalent expression before in turn looking up
765 an equivalent constant for the second operand.
767 2006-09-02 Geoffrey Keating <geoffk@apple.com>
770 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
771 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
772 pointer, instead of assuming it is possible to derive the
773 correct args size from a call insn.
775 2006-09-02 Jakub Jelinek <jakub@redhat.com>
778 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
779 (fold_builtin_mempcpy): Rename to...
780 (fold_builtin_memory_op): ... this. Optimize one element copy
782 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
784 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
785 (expand_builtin_memcpy, expand_builtin_mempcpy,
786 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
787 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
788 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
789 BUILT_IN_MEM{CPY,PCPY,MOVE}.
791 2006-09-01 DJ Delorie <dj@redhat.com>
793 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
795 ("stzx_24_<mode>"): Likewise.
796 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
797 ("cmp<mode>_op"): New.
798 (cmp<mode>): Change to expander; just save operands.
800 (b<code>): Change to expander, emit compare here.
801 (s<code>_op): Change to use split and expander.
802 (s<code>_24_op): Likewise.
803 (s<code>_<mode>): New.
804 (s<code>_<mode>_24): New.
805 (movqicc_<code>_<mode): New.
806 (movhicc_<code>_<mode>): New.
809 * config/m32c/m32c.c (compare_op0, compare_op1): New.
810 (m32c_pend_compare): New.
811 (m32c_unpend_compare): New.
812 (m32c_expand_scc): New.
813 (m32c_expand_movcc): Emit the compare also.
814 * config/m32c/predicates.md (mra_nopp_operand): New.
816 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
817 Richard Guenther <rguenther@suse.de>
818 Adam Nemet <anemet@caviumnetworks.com>
821 * builtins.c (get_pointer_alignment): Handle more forms
822 of base addresses that can be used to derive more precise
823 information about alignment.
825 2006-09-01 Jason Merrill <jason@redhat.com>
828 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
831 * gimplify.c (voidify_wrapper_expr): Handle null type.
833 2006-09-01 Josh Conner <jconner@apple.com>
836 * tree-nrv.c (dest_safe_for_nrv_p): New function.
837 (execute_return_slot_opt): Use it.
839 2006-08-31 Josh Conner <jconner@apple.com>
842 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
843 returning aggregates.
845 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
847 PR tree-optimization/28839
848 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
849 blocks in that phi arguments appear.
851 2006-08-31 Roger Sayle <roger@eyesopen.com>
854 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
855 NULL, otherwise use an advance_loc4 to adjust relative to the
857 (output_cfi) <DW_CFA_set_loc>: Update the current label.
858 (dwarf2out_switch_text_section): Reset the current label to avoid
859 using advance_loc4 over section boundaries.
861 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
864 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
865 r12 + SYMBOLIC_CONST.
867 2006-08-30 Richard Guenther <rguenther@suse.de>
869 * Makefile.in (see.o): Add $(EXPR_H) dependency.
871 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
873 PR rtl-optimization/27735
874 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
875 Add new argument to keep track of whether an irreducible region
876 was affected. All callers changed.
877 (fix_irreducible_loops): Removed.
878 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
879 flags were invalidated.
881 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
883 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
884 instead of SF operands.
885 (*fop_df_comm_sse): Likewise.
886 (*fop_df_comm_i387): Likewise.
887 (*fop_df_1_mixed): Likewise.
888 (*fop_df_1_sse): Likewise.
890 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
891 J"orn Rennecke <joern.rennecke@st.com>
893 PR tree-optimization/17506
894 * tree-ssa.c (warn_uninit): If warning about a location outside of
895 the current function, note where the variable was declared.
897 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
899 PR tree-optimization/28411
900 * double-int.c (double_int_div): Use double_int_divmod.
901 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
902 double_int_mod, double_int_smod, double_int_umod): New functions.
903 * double-int.h (double_int_divmod, double_int_sdivmod,
904 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
906 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
908 (get_computation_aff, get_computation_cost_at): Handle double_int
909 return type of constant_multiple_of.
911 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
914 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
915 an implicit conversion.
917 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
919 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
921 2006-08-27 Roger Sayle <roger@eyesopen.com>
923 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
926 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
928 * config/i386/crtfastmath.c: Fix a comment typo.
930 2006-08-26 Roger Sayle <roger@eyesopen.com>
932 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
933 temporary visit flags on CASE_LABEL_EXPRs.
934 * c-common.c (match_case_to_enum): Add function comment. Avoid
935 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
936 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
937 CASE_HIGH_SEEN for enumerated types. If the switch expression is
938 a constant, only warn if that constant value isn't handled.
940 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
943 * input.h (restore_input_file_stack): Declare.
944 (INPUT_FILE_STACK_BITS): Define.
945 * toplev.c (fs_p, input_file_stack_history,
946 input_file_stack_restored, restore_input_file_stack): New.
947 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
948 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
949 (pop_srcloc): Don't free old state of stack.
951 2006-08-26 David Edelsohn <edelsohn@gnu.org>
954 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
955 (PowerPC Type Attributes): New.
957 2006-08-26 Bob Wilson <bob.wilson@acm.org>
959 * config/xtensa/xtensa.c (function_arg_boundary): New.
960 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
962 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
963 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
965 2006-08-26 Jakub Jelinek <jakub@redhat.com>
968 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
971 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
973 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
974 (verify_local_live_at_start): Likewise.
976 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
979 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
980 omp_add_variable): Treat sizes as variable whenever not
983 2006-08-26 Richard Guenther <rguenther@suse.de>
986 * fold-const.c (fold_binary): Fold temporary to correct
987 type before constructing new comparison.
989 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
992 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
993 variable again if DECL_SEEN_IN_BIND_EXPR_P.
995 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
998 * c-decl.c (start_function): Don't try to process prototype
999 information from old declaration that isn't a function.
1001 2006-08-25 Jan Hubicka <jh@suse.cz>
1004 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1006 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1009 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1012 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1014 PR tree-optimization/16876
1015 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1016 exit if PARM doesn't match VALUE.
1018 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1020 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1021 literal_prefix directive.
1022 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1023 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1024 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1026 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1029 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1030 predicate to general_operand. Add 0->y and I->r alternatives.
1032 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1034 * doc/tm.texi: Fix a typo.
1035 * predict.c: Fix comment typos.
1037 2006-08-25 Nick Clifton <nickc@redhat.com>
1039 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1040 assertions of "cpu" and "machine".
1042 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1045 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1046 the access through a base which has an alias set of 0 cannot
1049 2006-08-24 Bill Wendling <wendling@apple.com>
1051 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1053 2006-08-24 Jan Hubicka <jh@suse.cz>
1055 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1057 2006-08-24 Jan Hubicka <jh@suse.cz>
1060 * cgraph.c: Fix comments.
1061 (cgraph_varpool_mark_needed_node): Mark only variables not already
1063 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1064 (cgraph_varpool_assembled_nodes_queue): New static variable.
1065 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1066 (cgraph_varpool_output_debug_info): New function.
1067 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1068 * Makefile.in: Add gt-cgraphunit.h
1070 2006-08-24 Jan Hubicka <jh@suse.cz>
1072 * predict.c (probability_reliable_p): New predicate.
1073 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1074 (predict_loops): Do not predict loop exit with less than 2%
1076 * basic-block.h (edge_probability_reliable_p,
1077 br_prob_note_reliable_p): Declare.
1078 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1079 prediction when static predictor is not reliable.
1080 * rs6000.c (output_cbranch): Likewise.
1082 2006-08-23 Stuart Hastings <stuart@apple.com>
1085 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1086 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1088 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1091 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1092 complex values, nor for generic vector values.
1094 2006-08-22 Richard Guenther <rguenther@suse.de>
1097 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1098 parameter. Convert arguments to arithmetic expression to the
1100 (analyze_scalar_evolution_1): Adjust caller.
1102 2006-08-22 Jan Hubicka <jh@suse.cz>
1104 Patch by Paolo Bonzini
1105 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1108 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1110 PR tree-optimization/28003
1111 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1112 before grouping aliases.
1114 2006-08-22 Roger Sayle <roger@eyesopen.com>
1116 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1117 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1119 2006-08-21 Jason Merrill <jason@redhat.com>
1122 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1123 wrapper. Loop to handle nested wrappers.
1124 (gimplify_bind_expr): Remove temp parameter.
1125 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1126 and STATEMENT_LIST on the rhs.
1127 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1128 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1129 (gimplify_target_expr): Remove special BIND_EXPR handling.
1131 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1133 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1136 2006-08-21 Olivier Hainque <hainque@adacore.com>
1138 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1139 Arrange for the temporary captures of components overlapping the lhs
1140 to happen before the lhs is possibly cleared.
1142 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1144 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1145 necessary places to pass the correct "number of registers" values
1148 2006-08-20 Jan Hubicka <jh@suse.cz>
1150 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1151 (create_name_tags): Instead of quadratic checking use hashtable.
1152 * bitmap.h: Include hashtab.h.
1153 (bitmap_hash): Declare.
1154 * bitmap.c (bitmap_hash): New function.
1156 2006-08-20 Jan Hubicka <jh@suse.cz>
1158 PR rtl-optimization/28071
1159 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1161 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1162 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1163 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1164 cgraph_decide_inlining_incrementally): Update use of
1165 cgraph_check_inline_limits.
1166 * cgraph.c (edge_hash, edge_eq): New function.
1167 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1168 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1169 cgraph_remove_node): Maintain call site hash.
1170 * cgraph.h (struct cgraph_node): Add call_site_hash.
1171 (cgraph_set_call_stmt): New function.
1173 2006-08-20 Jan Hubicka <jh@suse.cz>
1175 PR rtl-optimization/28071
1176 * reload1.c (reg_has_output_reload): Turn into regset.
1177 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1178 choose_reload_regs, emit_reload_insns): Update to new
1179 reg_has_output_reload.
1181 2006-08-20 Jan Hubicka <jh@suse.cz>
1184 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1185 function body sizes.
1186 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1188 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1191 * tree.c (handle_dll_attribute): Return early if not a
1192 var or function decl.
1194 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1197 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1198 alignment of SPE vector types.
1200 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1202 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1204 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1207 * cgraph.h (struct cgraph_node): Remove externally_visible
1209 * cgraphunit.c (process_function_and_variable_attributes): Set
1210 local.externally_visible rather than externally_visible.
1213 * c-common.c (handle_externally_visible_attribute): First look
1214 at TREE_CODE and only if it is function or var decl, check for
1215 non-public objects. Don't warn for DECL_EXTERNAL.
1216 * cgraphunit.c (process_function_and_variable_attributes): Warn
1217 if externally_visible attribute is used on non-public object.
1219 2006-08-17 Jan Hubicka <jh@suse.cz>
1221 PR tree-optimization/27865
1222 * reload1.c (forget_marked_reloads): New function.
1223 (forget_old_reloads_1): When data are passed, just mark the registers
1225 (reload_as_needed): Use the new mechanizm.
1227 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1230 * reload.h (reg_equiv_alt_mem_list): New declaration.
1231 * reload1.c (reg_equiv_alt_mem_list): New definition.
1232 (reload): Initialize it and release it.
1233 (delete_output_reload): Use it.
1234 * reload.c (push_reg_equiv_alt_mem): New function.
1235 (find_reloads_toplev): Call it.
1236 (find_reloads_address, find_reloads_address_1): Likewise.
1237 (find_reloads_subreg_address): Likewise.
1239 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1241 PR rtl-optimization/28489
1242 * sched-ebb.c (begin_schedule_ready): Create basic block
1244 (advance_target_bb): Skip empty blocks.
1245 * haifa-sched.c (bb_note): Make global.
1246 * sched-int.h (bb_note): Add prototype.
1248 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1250 PR tree-optimization/27865
1251 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1253 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1254 fold_used_pointer, pointer_used_p): New functions.
1255 (analyze_scalar_evolution_1): Use fold_used_pointer.
1256 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1257 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1260 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1263 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1264 or the INTEGER_CST. Fail on a CALL_EXPR.
1265 (fold_offsetof): Pass new argument to fold_offsetof_1.
1266 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1267 operand into an INDIRECT_REF.
1268 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1270 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1272 PR gcov/profile/26570
1273 * value-prof.c (static_values): Removed.
1274 (tree_find_values_to_profile): Do not set static_values.
1275 (find_values_to_profile): Do not free static_values.
1276 * profile.c (instrument_values): Do not free the values.
1277 (branch_prob): Free the values.
1279 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1281 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1283 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1286 * c-typeck.c (build_component_ref): Combine qualifiers of
1287 structure or union and field.
1289 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1291 PR rtl-optimization/28071
1292 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1293 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1294 * tree-into-ssa.c (struct dom_dfsnum): New.
1295 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1297 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1298 compute_global_livein.
1299 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1300 in phi nodes in the correct blocks.
1302 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1304 PR tree-optimization/28364
1305 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1307 (fold_affine_expr): New function.
1308 (may_eliminate_iv): Use fold_affine_expr.
1310 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1313 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1316 2006-08-16 Mike Stump <mrs@apple.com>
1318 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1319 * doc/cppopts.texi (-MD): Likewise.
1321 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1324 * c-common.c (handle_weak_attribute): Ignore and warn if
1325 not a FUNCTION_ or VAR_DECL.
1327 2006-07-15 Mike Stump <mrs@apple.com>
1330 * c-parser.c (c_parser_typeof_specifier): Don't use
1331 c_finish_expr_stmt, open code desired semantics instead.
1333 2006-08-15 Nick Clifton <nickc@redhat.com>
1335 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1336 fragment to tmake_file only if threads are enabled.
1337 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1338 * config/i386/t-gthr-win32: New file. ... here.
1340 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1343 * c-parser.c (c_parser_compound_statement_nostart): Reset
1344 parser->error after each statement.
1346 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1349 * omp-low.c (lower_omp_parallel): Convert t to
1350 receiver_decl's type.
1351 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1352 source before comparison.
1355 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1356 to itype in assignment to oldival2.
1358 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1362 * c-typeck.c (build_compound_expr): If the second expression
1363 is an error mark, then just return an error mark instead of
1364 creating a COMPOUND_EXPR.
1366 2006-07-14 Mike Stump <mrs@apple.com>
1368 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1370 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1372 * c-decl.c, var-tracking.c: Fix comment typos.
1374 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1376 PR rtl-optimization/28634
1377 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1378 for floating-point modes unless flag_unsafe_math_optimizations.
1380 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1381 Andrew Pinski <pinskia@physics.uc.edu>
1384 * tree.c (build_array_type): Unify array types with
1385 unspecified index_type.
1386 * c-decl.c (grokdeclarator): Make sure we do not modify a
1387 unified incomplete array type.
1388 * c-typeck.c (store_init_value): Create distinct type before
1389 filling in the index type in an initializer from a compound
1392 * c-decl.c (grokdeclarator): Remove code where we copy the
1395 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1397 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1398 into account for TODO_dump_cgraph.
1399 (TODO_update_ssa_no_phi): Likewise.
1400 (TODO_update_ssa_full_phi): Likewise.
1401 (TODO_update_ssa_only_virtuals): Likewise.
1402 (TODO_remove_unused_locals): Likewise.
1403 (TODO_set_props): Likewise.
1404 (TODO_update_stmt_usage): Likewise.
1406 2006-08-13 Dirk Mueller <dmueller@suse.de>
1408 * c-common.c (strict_aliasing_warning): Fix formatting.
1410 2006-08-13 Matthias Klose <doko@debian.org>
1412 * doc/invoke.texi: Fix spelling errors.
1414 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1416 PR rtl-optimization/23454
1417 * reorg.c (relax_delay_slots): Update comment.
1419 2006-08-11 Richard Guenther <rguenther@suse.de>
1422 * simplify-rtx.c (simplify_const_relational_operation):
1423 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1426 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1428 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1429 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1431 2006-08-10 Paul Brook <paul@codesourcery.com>
1433 * final.c (final_scan_insn): Clear current_insn_predicate before
1434 outputting inline asm.
1436 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1438 PR tree-optimization/26197
1439 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1440 get_ref_base_and_extent and overlap_subvar to add only relevant
1441 subvars as may-aliases.
1442 (add_may_alias_for_new_tag): New function, factored out of
1444 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1445 with additional argument.
1446 * tree-flow.h (new_type_alias): Takes additional argument.
1448 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1450 * gcov.c (no_data_file): New flag.
1451 (read_count_file): Set it if data file not present. Assume counts
1453 (output_lines): Don't name the data file, if there wasn't one.
1455 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1457 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1458 (rs6000_generate_compare): Tweak comments.
1459 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1461 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1463 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1464 (var_debug_decl): New function.
1465 (var_reg_set): Follow debug decl link. Add location even if
1466 reg is already known to hold some other variable.
1467 (var_mem_set): Follow debug decl link.
1468 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1469 decl link. Delete other known locations of the variable part
1471 (var_reg_delete, var_mem_delete): Delete other known locations
1472 of the variable part if requested.
1473 (same_variable_part_p): New function.
1474 (add_stores): Select MO_COPY when appropriate.
1475 (vt_initialize): Handle it.
1476 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1477 known locations for MO_SET and MO_CLOBBER.
1478 (find_variable_location_part): New function.
1479 (set_variable_part, delete_variable_part): Use it.
1480 (clobber_variable_part): New function.
1481 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1484 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1486 PR tree-optimization/26969
1487 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1488 with an empty list of PHIs.
1490 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1494 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1497 2006-08-06 Andreas Schwab <schwab@suse.de>
1499 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1500 string. Whitespace and comment fixup.
1502 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1505 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1509 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1512 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1514 2006-08-04 Jan Hubicka <jh@suse.cz>
1518 * reload.c (push_reload): Patch out the mismatching instruction;
1520 (find_reload): Bail out if the instruction was patched out.
1522 2006-08-04 Jan Hubicka <jh@suse.cz>
1524 PR tree-optimization/24888
1525 * tree-inline.c (expand_call_inline): Do not re-record variables.
1526 (declare_inline_vars): Add variable to unexpanded_var_list.
1528 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1529 Roger Sayle <roger@eyesopen.com>
1531 PR rtl-optimization/26244
1532 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1533 inner_const are negative or greater than or equal to the bitsize of
1534 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1535 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1536 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1537 CONST0_RTX (mode) when the new shift count is greater than or equal to
1538 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1541 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1543 * tree-cfg.c: Fix a comment typo.
1545 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1548 * varasm.c (output_constant): Give the front end another chance to
1549 expand constants, after stripping NOPs.
1551 2006-08-03 Jan Hubicka <jh@suse.cz>
1553 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1556 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1558 PR tree-optimization/27770
1559 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1560 declaration removed (moved to tree-flow.h).
1561 (vect_can_force_dr_alignment_p): Likewise.
1562 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1563 (moved from tree-vectorizer.h).
1564 (vect_can_force_dr_alignment_p): Likewise.
1565 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1566 from outside the vectorizer - in particular from cgraph stage.
1567 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1568 the alignment of global arrays when -fsection-anchors is enabled.
1569 * cgraphunit.c (cgraph_increase_alignment): New function.
1570 (cgraph_optimize): Call cgraph_increase_alignment.
1572 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1575 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1576 not reload a SPE symbol_ref into a lo_sum address.
1578 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1581 * dwarf2out.c (prune_unused_types_prune): Move call to
1582 prune_unused_types_update_strings to cover the parent DIE also.
1584 2006-08-02 Jan Hubicka <jh@suse.cz>
1586 PR gcov/profile/28480
1587 * tree-cfg.c (change_bb_for_stmt): New function.
1588 (tree_merge_blocks, tree_split_blocks): Use it.
1590 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1596 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1597 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1598 (cgraph_optimize): Likewise.
1600 2006-08-01 Stuart Hastings <stuart@apple.com>
1602 * rtl.h (UINTVAL) New.
1603 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1604 * testsuite/gcc.dg/20060801-1.c: New.
1606 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1609 * c-typeck.c (build_external_type): Mark used enum types.
1610 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1612 (gen_subprogram_die): Whitespace fix.
1614 2006-08-01 Jan Hubicka <jh@suse.cz>
1616 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1617 bitmap when not needed.
1618 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1621 2006-08-01 Dirk Mueller <dmueller@suse.de>
1623 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1625 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1627 * Makefile.in: Revert part of previous patch:
1628 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1631 2006-07-30 Eric Christopher <echristo@apple.com>
1634 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1635 (PowerPC Variable Attributes): New section.
1637 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1639 PR target/28126 (partial fix)
1640 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1642 2006-07-28 Jan Hubicka <jh@suse.cz>
1644 PR rtl-optimization/28071
1645 * cfgrtl.c (rtl_delete_block): Free regsets.
1646 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1648 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1650 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1651 and variables used in dependencies.
1653 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1655 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1656 %fs for -mcmodel=kernel.
1657 (stack_tls_protect_test_di): Likewise.
1659 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1661 * Makefile.in: Use mkinstalldirs.
1663 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1666 * opts-common.c (prune_options): Skip joined switches.
1668 2006-07-27 Jan Hubicka <jh@suse.cz>
1670 PR rtl-optimization/28071
1671 * cselib.c (cselib_process_insn): Don't remove useless values too
1672 often for very large hashtables.
1674 2006-07-27 Jan Hubicka <jh@suse.cz>
1676 PR rtl-optimization/28071
1677 * global.c (greg_obstack): New obstack.
1678 (allocate_bb_info): Use it.
1679 (free_bb_info): Likewise.
1680 (modify_reg_pav): Likewise.
1682 2006-07-27 Roger Sayle <roger@eyesopen.com>
1684 * builtins.c (fold_fixed_mathfn): When long and long long are the
1685 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1686 functions to their lceil*, lfloor*, lround* and lrint* forms.
1688 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1691 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1693 (rev_branch_insn): Likewise.
1695 2006-07-27 Jan Hubicka <jh@suse.cz>
1697 PR rtl-optimization/28071
1698 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1699 (reg_set_in_bb, max_reg_computed): New static variables.
1700 (regmove_optimize): Free the new array.
1701 (fixup_match_1): Update call of reg_is_remote_constant_p.
1703 2006-07-26 Jan Hubicka <jh@suse.cz>
1705 PR tree-optimization/27882
1706 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1708 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1710 (cgraph_analyze_compilation_unit): Likewise.
1711 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1712 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1713 (cgraph_early_inlinine): Make order garbage collected.
1714 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1716 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1718 * dbxout.c (output_types_sort): Add a comment.
1719 (output_used_types): Free the VEC.
1721 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1723 * function.c (reorder_fix_fragments): Delete.
1724 (reorder_blocks): Don't call it.
1725 (reorder_blocks_1): Put all subblocks under the origin block.
1727 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1729 PR rtl-optimization/27907
1730 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1733 2006-07-25 Roger Sayle <roger@eyesopen.com>
1736 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1737 bar(x) check that bar's result type can represent all the values of T.
1739 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1741 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1743 2006-07-25 Nick Clifton <nickc@redhat.com>
1745 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1746 size_lookup[] array.
1747 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1748 (ggc_pch_count_object): Likewise.
1749 (ggc_pch_alloc_object): Likewise.
1750 (ggc_pch_write_object): Likewise.
1751 (init_ggc): Do not attempt to initialize entries in the
1752 size_lookup[] array for objects whose size is greater than than
1753 the length of the array.
1755 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1757 * dbxout.c (output_used_types_helper): Push queued types
1759 (output_types_sort): New.
1760 (output_used_types): Collect used types on a VEC and sort them
1763 2006-07-24 Richard Guenther <rguenther@suse.de>
1766 * cgraph.c (cgraph_remove_node): Do not check if dumps
1768 * cgraphunit.c (cgraph_optimize): Likewise.
1770 2006-07-24 Jan Hubicka <jh@suse.cz>
1772 PR rtl-optimization/28071
1773 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1774 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1775 splitting before first stmt.
1777 2006-07-24 Jan Hubicka <jh@suse.cz>
1779 PR rtl-optimization/28071
1780 * ipa-inline.c (update_caller_keys): Remove edges that
1781 are no longer inline candidates.
1783 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1786 * dbxout.c (output_used_types_helper, output_used_types): New.
1787 (dbxout_symbol): Call output_used_types.
1789 2006-07-23 Jan Hubicka <jh@suse.cz>
1793 * cgraph.c (cgraph_varpool_nodes): Export.
1794 (decide_is_variable_needed): Ignored "used" attribute in
1795 unit-at-a-time mode.
1796 * cgraph.h (cgraph_varpool_nodes): Declare.
1797 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1798 unit-at-a-time mode.
1800 2006-07-23 Roger Sayle <roger@eyesopen.com>
1803 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1804 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1805 the __gthrw form of thr_keycreate.
1806 (__gthread_key_delete): Silence the unused argument warning.
1808 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1811 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1812 Cache the last found '\0' marker to avoid quadratic behavior.
1814 2006-07-23 Jan Hubicka <jh@suse.cz>
1816 * i386.md (subsi_3_zext): Fix output template.
1818 2006-07-21 Mike Stump <mrs@apple.com>
1820 * doc/invoke.texi (C++ Dialect Options): Note that
1821 -fvisibility-inlines-hidden doesn't affect explicitly
1822 instantiationed inline methods.
1824 2006-07-20 Roger Sayle <roger@eyesopen.com>
1826 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1827 if the target assembler is GNU binutils' gas.
1828 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1829 whether to pass GNU gas or native as command line options.
1831 2006-07-20 Jason Merrill <jason@redhat.com>
1833 * tree.c (remove_attribute): New fn.
1834 * tree.h: Declare it.
1836 2006-07-20 Paul Brook <paul@codesourcery.com>
1839 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1840 they are invalidated by this instruction.
1842 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1845 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1847 2006-07-20 Eric Christopher <echristo@apple.com>
1850 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1852 2006-07-19 Eric Christopher <echristo@apple.com>
1854 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1855 Rewrite dependencies for libgcc_s.1.dylib.
1857 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1859 * except.c (duplicate_eh_regions_1): Clear next_peer.
1861 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1863 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1864 -mlongcall does not guarantee all calls will be long.
1865 * doc/extend.texi (long_call/short_call): Document that longcall
1866 does not guarantee a long call will be used.
1867 (longcall/shortcall): Likewise.
1869 2006-07-18 Roger Sayle <roger@eyesopen.com>
1872 * expmed.c (expand_shift): Additionally check that the shift_cost
1873 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1874 before implementing a LSHIFT_EXPR as a sequence of additions.
1875 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1876 middle-end that DImode shifts need to be synthesized by expand.
1878 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1881 * tree-ssa-operands.c (access_can_touch_variable): Update
1883 Return true if ALIAS is .GLOBAL_VAR.
1885 2006-07-18 David Daney <ddaney@avtrex.com>
1887 * gcc.c (display_help): Fix typo in help text.
1889 2006-07-18 Olivier Hainque <hainque@adacore.com>
1891 * tree.h (categorize_ctor_elements): Adjust prototype and add
1892 descriptive comment, both in accordance with the interface change
1894 * varasm.c (constructor_static_from_elts_p): New function.
1895 Whether a constructor node is a valid static constant initializer
1896 if all its elements are.
1897 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1898 * output.h: Declare it.
1899 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1900 is a valid constant initializer instead of computing the number of
1901 non-constant elements. Use constructor_static_from_elts_p for this
1902 purpose. Replace the head comment with an indication that this is a
1903 helper for categorize_ctor_elements.
1904 (categorize_ctor_elements): Same interface change as for the _1
1905 helper. Former head comment from this helper moved here, adjusted to
1906 account for the interface changes.
1907 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1908 (all_zeros_p): Likewise.
1909 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1910 static versions of the constructor from the categorize_ctor_elements
1911 return value instead of the formerly computed number of non-constant
1914 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1916 * configure: Regenerate.
1917 * Makefile.in (build_libsubdir): New configure substitution
1918 (build_libobjdir): New variable.
1919 (BUILD_LIBIBERTY): Use it.
1921 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1924 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1926 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1929 * c-common.c (handle_weakref_attribute): Ignore attribute in
1930 the same conditions the alias attribute is ignored.
1932 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1934 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1935 (dbxout_begin_prologue): Increment scope_labelno.
1937 2006-07-17 Richard Henderson <rth@redhat.com>
1940 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1943 2006-07-17 Roger Sayle <roger@eyesopen.com>
1944 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1946 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1947 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1948 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1949 functions such as sbrk, write, etc.. Add function prototypes.
1950 Convert function declarations from K&R to ISO C. Cast pointers
1951 to "long" and "unsigned long" instead of "int" and "unsigned int".
1952 Convert tokens following #endif into comments.
1954 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1956 * invoke.texi: Remove mention of f77; Reformat table for
1957 inline parameter options correctly; mention that -malign-double
1958 is default on x86-64 targets.
1960 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1962 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1963 (convert_affine_scev, chrec_convert_aggressive): Use
1964 avoid_arithmetics_in_type_p. Do not check for the subtypes
1967 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1970 * optabs.c (expand_doubleword_shift): Wrap the call to
1971 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1973 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1976 * optabs.c (expand_binop): Pass next_methods rather than methods
1977 to expand_doubleword_shift.
1979 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1982 * tree.h (dump_addr): Declare.
1983 * print-tree.c (dump_addr): New function.
1984 (print_node_brief, print_node): Use it.
1985 * print-rtl.c (print_rtx): Likewise.
1986 * common.opt (-fdump-noaddr): New option.
1987 * doc/invoke.texi (-fdump-noaddr): Document.
1988 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1989 (ve_info_hash): Likewise.
1991 2006-07-13 Andrew Haley <aph@redhat.com>
1993 PR tree-optimization/19505
1994 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1995 edge leaving this block, make sure that the destination of this
1996 block has only one predecessor.
1998 2006-07-17 Richard Guenther <rguenther@suse.de>
2000 PR tree-optimization/28238
2001 * tree-inline.c (copy_bb): Check if we produced valid
2002 gimple copying and substituting a stmt. If not, gimplify
2005 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2007 * optabs.c (maybe_encapsulate_block): New function extracted from...
2008 (emit_libcall_block): ...here. Invoke it on the block of insns to
2009 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2010 (emit_no_conflict_block): Likewise.
2012 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2014 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2016 2006-07-15 Roger Sayle <roger@eyesopen.com>
2018 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2019 a new NOP_EXPR case of the switch statement.
2021 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2024 * stor-layout.c (place_field): Take the bit field with
2025 an excessive size into account in the ms-bitfiled case.
2028 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2029 the previous bit field.
2031 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2034 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2036 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2038 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2039 signal frames correctly even when the signal was installed with
2042 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2044 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2045 (dbxout_function_end): Use local label LFBB. Remove hook
2047 (dbxout_source_line): Use local label LFBB.
2048 (dbxout_block): Likewise.
2049 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2050 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2051 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2052 and DBX_OUTPUT_NFUN.
2054 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2056 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2058 2006-07-13 Jan Hubicka <jh@suse.cz>
2060 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2062 * output.h (align_variable): Declare.
2063 * varasm.c (align_variable): Export.
2064 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2065 when basic block changed.
2067 2006-07-13 Nick Clifton <nickc@redhat.com>
2069 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2070 walking the LOG_LINKS chain.
2072 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2074 * doc/invoke.texi (C++ Dialect Options): Explain difference
2075 between -fvisibility-inlines-hidden and setting hidden
2076 visibility explicitly.
2078 2006-07-12 Eric Christopher <echristo@apple.com>
2080 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2081 (stmp-lipo): Depend on libgcc.a.
2083 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2085 * tree.c: Fix a comment typo.
2087 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2089 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2091 (umulhisi3_r): Likewise.
2093 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2096 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2097 x < 19, vs wchar_t support.
2099 2006-07-12 Nick Clifton <nickc@redhat.com>
2101 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2102 instead of -isa=sh4.
2104 2006-07-12 Mike Stump <mrs@apple.com>
2106 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2108 2006-07-10 Eric Christopher <echristo@apple.com>
2110 * config/t-slibgcc-darwin: Rewrite.
2112 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2115 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2118 2006-07-08 Matthias Klose <doko@debian.org>
2120 * doc/sourcebuild.texi: Fix typo.
2122 2006-07-07 Mike Stump <mrs@apple.com>
2124 * toplev.c (process_options): Don't give -ffunction-sections may
2125 affect debugging warning for Mach-O.
2127 2006-07-07 James E Wilson <wilson@specifix.com>
2129 * config/mips/mips.md (cpu): Add sb1a.
2130 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2131 addition to sb1. Adjust comments to clarify SB-1A differences from
2133 (ir_sb1a_load): New. Modify bypasses to use it.
2134 (ir_sb1a_simple_alu): Likewise.
2135 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2136 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2137 (mips_issue_rate): Add PROCESSOR_SB1A.
2138 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2139 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2140 (TARGET_SB1): Add PROCESSOR_SB1A check.
2141 (TUNE_SB1): Likewise.
2143 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2144 * config/mips/mips.c (mips_store_data_bypass_p): New.
2145 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2146 store_data_bypass_p.
2148 2006-07-08 Paul Brook <paul@codesourcery.com>
2151 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2153 2006-07-07 Richard Guenther <rguenther@suse.de>
2156 * tree.h (build_one_cst): Declare.
2157 * tree.c (build_one_cst): New function.
2158 * tree-ssa-math-opts.c (get_constant_one): Remove.
2159 (insert_reciprocals): Use build_one_cst.
2160 * fold-const.c (fold_plusminus_mult): Likewise.
2162 2006-07-07 Roger Sayle <roger@eyesopen.com>
2164 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2165 * cfgloopanal.c (dump_graph): Likewise.
2166 * dojump.c (discard_pending_stack_adjust): Likewise.
2167 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2169 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2170 * function.c (finalize_block_changes): Likewise.
2171 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2172 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2173 * rtl.c (dump_rtx_statistics): Likewise.
2174 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2176 * varray.c (dump_varray_statistics): Likewise.
2177 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2178 decode_decimal64, encode_decimal128, decode_decimal128,
2179 decimal_real_to_decimal): Likewise.
2181 2006-07-07 Richard Guenther <rguenther@suse.de>
2183 PR tree-optimization/28187
2184 * tree-vrp.c (vrp_operand_equal_p): New function.
2185 (vrp_bitmap_equal_p): Likewise.
2186 (update_value_range): Use them to compare old and new
2189 2006-07-06 Roger Sayle <roger@eyesopen.com>
2191 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2192 a default case to switch statement to silence compiler warnings.
2194 2006-07-06 Roger Sayle <roger@eyesopen.com>
2197 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2198 the configured assembler supports the x87's ffreep mnemonic.
2199 * configure: Regenerate.
2200 * config.in: Regenerate.
2202 * config/i386/i386.c (output_387_ffreep): New function.
2203 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2204 (output_387_reg_move): Likewise.
2206 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2208 Port to hosts whose 'sort' and 'tail' implementations
2209 treat operands with leading '+' as file names, as POSIX
2210 has required since 2001. However, make sure the code still
2211 works on pre-POSIX hosts.
2212 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2213 which says you should use "tail -c +N" rather than "tail +Nc".
2214 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2216 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2218 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2221 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2224 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2225 PRE_{INC,DEC} of TFmode.
2227 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2228 Alan Modra <amodra@bigpond.net.au>
2231 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2234 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2237 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2238 Remove duplicate gtu.
2240 2006-07-05 Jason Merrill <jason@redhat.com>
2244 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2245 * c-common.c (handle_packed_attribute): So don't copy it here.
2246 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2248 2006-07-05 Mike Stump <mrs@apple.com>
2250 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2252 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2255 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2257 2006-07-05 Richard Guenther <rguenther@suse.de>
2260 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2261 TARGET_SSE2 targets if using SSE math.
2262 (*absdf2_1): Likewise.
2264 2006-07-05 Richard Guenther <rguenther@suse.de>
2266 PR tree-optimization/28162
2267 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2268 make sure to convert the operands to the correct type.
2270 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2272 PR tree-optimization/28218
2274 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2275 to calculate and free the dominator information.
2277 2006-07-04 Peter O'Gorman <peter@pogma.com>
2279 * mklibgcc.in: chmod 644 before ranlib during install.
2281 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2282 J"orn Rennecke <joern.rennecke@st.com>
2284 * configure.ac (.eh_frame data check): Use diff -b.
2286 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2289 * Makefile.in (BUILD_RTL): Add build/vec.o.
2290 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2291 (build/genextract): Delete.
2292 (build/genautomata): Likewise.
2294 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2297 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2298 128-bit IBM long doubles for ABI_V4.
2300 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2302 * tree.c (range_in_array_bounds_p): New predicate.
2303 * tree.h (range_in_array_bounds_p): Declare it.
2304 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2305 return a less conservative answer.
2306 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2307 and flag 'is_group'.
2308 (IS_ELEMENT_FOR_GROUP): New macro.
2309 (FOR_EACH_ACTUAL_CHILD): Likewise.
2310 (next_child_for_group): New helper function.
2311 (can_completely_scalarize_p): Take into account groups.
2312 (sra_hash_tree): Handle RANGE_EXPR.
2313 (sra_elt_eq): Likewise.
2314 (lookup_element): Be prepared for handling groups.
2315 (is_valid_const_index): Delete.
2316 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2317 instead of is_valid_const_index.
2318 <ARRAY_RANGE_REF>: New case.
2319 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2320 is_valid_const_index.
2321 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2322 (scan_dump): Dump info for groups too.
2323 (decide_instantiation_1): Likewise.
2324 (decide_block_copy): Assert that the element is not a group.
2325 Propagate decision to groups.
2326 (generate_one_element_ref): Handle RANGE_EXPR.
2327 (mark_no_warning): Iterate over actual childs.
2328 (generate_copy_inout): Likewise.
2329 (generate_element_copy): Likewise.
2330 (generate_element_zero): Likewise.
2331 (generate_element_init_1): Likewise.
2332 (dump_sra_elt_name): Handle RANGE_EXPR.
2334 2006-07-03 Roger Sayle <roger@eyesopen.com>
2336 PR tree-optimization/26251
2337 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2338 (thread_block): When optimizing for size refuse to thread jumps
2339 that would require duplication of blocks other than redirection
2342 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2344 * configure.ac: Fix thinko in previous check-in.
2345 * configure: Regenerate.
2347 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2350 * configure.ac (for lang...): Simplify nesting of conditionals.
2351 Test subdir_requires for non-enabled languages. Move processing
2352 of lang_opt_files and lang_tree_fiels below that test.
2353 * configure: Regenerate.
2354 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2356 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2358 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2360 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2362 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2365 2006-06-29 Jason Merrill <jason@redhat.com>
2372 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2373 * c-common.c (c_determine_visibility): Handle it here.
2374 * c-decl.c (finish_decl): Call c_determine_visibility for
2376 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2378 * varasm.c (default_assemble_visibility): Likewise.
2379 * c-common.c (handle_visibility_attribute): Complain about trying
2380 to give visibility to an already defined class, or trying to change
2381 declared visibility. Always attach the attribute.
2386 * attribs.c (decl_attributes): Ignore type-in-place attributes
2387 once the type has been defined.
2389 2006-06-29 Roger Sayle <roger@eyesopen.com>
2392 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2393 to indicate the cpplib has issued an error message for us.
2395 2006-06-29 Asher Langton <langton2@llnl.gov>
2398 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2399 insert a label at the end of an function under Mach-O.
2401 2006-06-29 Eric Christopher <echristo@apple.com>
2402 Evan Cheng <evan.cheng@apple.com>
2404 * predicates.md (vector_all_ones_operand): New.
2405 (nonimmediate_or_sse_const_operand): Ditto.
2406 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2407 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2408 (standard_sse_mode_p): Ditto.
2409 (standard_sse_constant_p): Add case for -1 vector.
2410 (ix86_expand_vector_move): Try to use.
2411 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2412 Call standard_sse_constant_opcode.
2413 (*movv4sf_internal): Ditto.
2414 (*movv2df_internal): Ditto.
2416 2006-06-29 Roger Sayle <roger@eyesopen.com>
2418 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2419 of XEXP to extract the operands of a MATCH_CODE rtx.
2421 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2423 * tree.c (tree_size): Do not waste tail padding in
2424 struct tree_string and make the size be the same as
2425 build_string will generate.
2427 2006-06-28 Jason Merrill <jason@redhat.com>
2430 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2431 may_aliases already in the tag's annotations to the bitmap.
2433 2006-06-28 Roger Sayle <roger@eyesopen.com>
2435 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2437 2006-06-28 Roger Sayle <roger@eyesopen.com>
2439 * genpreds.c (generate_switch_p): New function.
2440 (add_mode_tests): Push the new mode test down inside an AND expr
2441 if this allows the switch-suitable MATCH_CODE to be near the root.
2442 (write_match_code_switch): New function to write a MATCH_CODE as
2444 (write_predicate_stmts): New function to write a predicate RTX
2445 expression as a sequence of statements.
2446 (write_one_predicate_function): Use write_predicate_stmts.
2447 (write_tm_constrs_h): Likewise.
2449 2006-06-26 Fred Fish <fnf@specifix.com>
2451 * config/mips/t-sb1: New file.
2452 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2455 2006-06-26 DJ Delorie <dj@redhat.com>
2457 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2459 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2460 Jayant Sonar <jayants@kpitcummins.com>
2461 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2463 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2464 (subsi3, subsi3_1, subsi3_2): New.
2465 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2466 * config/m32c/mov.md (SI mov peephole): New.
2467 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2468 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2470 2006-06-26 Olivier Hainque <hainque@adacore.com>
2472 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2473 a CALL_EXPR target function declaration.
2475 2006-06-26 Richard Guenther <rguenther@suse.de>
2477 * tree.c (build_string): Do not waste tail padding in
2480 2006-06-26 Richard Guenther <rguenther@suse.de>
2482 * ggc-page.c (init_ggc): Add missing element to size_lookup
2486 2006-06-23 Richard Guenther <rguenther@suse.de>
2488 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2489 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2490 alignment requests instead. Add verification code.
2491 Add struct tree_function_decl and struct tree_binfo size to
2492 extra_order_size_table. Add missing element to size_lookup
2495 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2498 * fold-const.c (const_binop): Be prepared for self returning zero.
2499 Simplify code handling complex values.
2501 2006-06-24 Olivier Hainque <hainque@adacore.com>
2503 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2504 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2507 2006-06-24 Olivier Hainque <hainque@adacore.com>
2509 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2510 ARRAY_REF, so have the callback called for the low bound expression.
2512 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2514 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2515 * c-typeck.c (c_common_type): Disallow operations on decimal float
2516 types and other float types.
2517 * convert.c (convert_to_real): Don't ignore conversions involving
2518 decimal float types.
2520 2006-06-23 Olivier Hainque <hainque@adacore.com>
2522 * tree.c (max_int_size_in_bytes): New function, inspired from
2523 code in function.c:assign_temp.
2524 * tree.h (max_int_size_in_bytes): Declare.
2525 * function.c (assign_temp): Use it.
2526 * gimplify.c (create_tmp_var): Relax the assertions on the type
2527 properties, not mandating constant size any more.
2528 (force_constant_size): New static function.
2529 (gimple_add_tmp_var): Use it, forcing variable size to a
2530 constant upper bound if it is not constant on entry.
2532 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2535 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2536 for initialization and setting of one_only flag to ...
2537 (i386_pe_encode_section_info): ...here.
2538 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2539 Recheck that the symbol has not been defined.
2541 2006-06-23 Richard Guenther <rguenther@suse.de>
2543 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2544 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2545 alignment requests instead. Add verification code.
2546 Add struct tree_function_decl and struct tree_binfo size to
2547 extra_order_size_table. Add missing element to size_lookup
2550 2006-06-22 Roger Sayle <roger@eyesopen.com>
2551 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2554 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2555 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2557 2006-06-23 Ben Elliston <bje@au.ibm.com>
2559 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2560 negate dn -- manipulate it directly.
2562 2006-06-22 Roger Sayle <roger@eyesopen.com>
2563 Steven Bosscher <stevenb.gcc@gmail.com>
2566 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2567 generated by gen_move_insn to add REG_LABEL notes if necessary.
2569 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2571 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2572 (leaf_entry): Remove use of MIN_ESA.
2574 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2576 PR rtl-optimization/28121
2577 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2580 2006-06-21 DJ Delorie <dj@redhat.com>
2582 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2584 (mulhisi3_r): Likewise.
2586 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2589 * coverage.c (coverage_counter_alloc): Leave the index type
2591 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2594 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2596 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2597 section from the "Options for Code Generation Conventions".
2599 2006-06-21 Richard Henderson <rth@redhat.com>
2603 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2605 (global_symbolic_operand): Allow weak symbols, even if local_p.
2607 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2609 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2610 (find_interesting_uses_address): Punt if above function returns true.
2612 2006-06-21 Richard Guenther <rguenther@suse.de>
2614 * configure: Regenerated.
2616 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2618 * config/mips/mips.c (function_arg): Where one part of a
2619 complex argument is in registers and the other part in the stack,
2620 return a REG not a PARALLEL.
2622 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2624 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2625 when cross-compiling. Do not substitute libstdcxx_incdir.
2626 * configure: Regenerated.
2628 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2630 * varasm.c (mergeable_string_section): Check for embedded NULs and
2631 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2632 rather than TREE_STRING_LENGTH bytes.
2634 2006-06-21 Richard Guenther <rguenther@suse.de>
2636 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2637 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2640 2006-06-21 Richrad Guenther <rguenther@suse.de>
2642 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2643 Limit iteration over the dominators.
2645 2006-06-20 Roger Sayle <roger@eyesopen.com>
2647 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2648 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2650 2006-06-20 Richard Guenther <rguenther@suse.de>
2651 Michael Matz <matz@suse.de>
2653 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2655 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2656 * et-forest.h (et_free_pools): Prototype new function.
2657 * et-forest.c (et_free_tree_force): Free parent occurrence.
2658 (et_free_pools): New function.
2659 * dominance.c (free_dominance_info): Free et-forest alloc
2662 2006-06-20 Roger Sayle <roger@eyesopen.com>
2664 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2665 integer modes, attempt to directly construct an integer constant.
2667 * fold-const.c (native_encode_vector): Determine the size of each
2668 element from the vector type instead of the first vector element.
2670 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2671 if all of its elements/components are constant.
2672 (build_constructor_from_list): Likewise.
2674 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2676 PR tree-optimization/27331
2677 * tree-data-ref.c (free_data_ref): New function.
2678 (create_data_ref): Fail if the data reference has unknown access
2680 (free_data_refs): Use free_data_ref.
2682 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2685 * tree-inline.c (setup_one_parameter): Strip useless
2686 type conversion before adding it to the IR.
2687 (declare_return_variable): Likewise.
2689 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2692 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2694 2006-06-19 Mike Stump <mrs@apple.com>
2696 * tree.c (variably_modified_type_p): VM arguments don't make the
2699 2006-06-19 Richard Guenther <rguenther@suse.de>
2701 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2702 type conversions after folding.
2704 2006-06-19 Richard Guenther <rguenther@suse.de>
2706 * ggc-page.c (extra_order_size_tab): Add entries with
2707 size of struct function and basic_block.
2708 (size_lookup): Extend to cover sizes up to 511.
2709 (ggc_alloc_stat): Adjust user.
2710 (ggc_pch_count_object): Likewise.
2711 (ggc_pch_alloc_object): Likewise.
2712 (ggc_pch_write_object): Likewise.
2714 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2716 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2717 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2720 2006-06-19 Denis Chertykov <denisc@overta.ru>
2722 * config/avr/libgcc.S : Correct my wrong previous commit.
2724 2006-06-19 Roger Sayle <roger@eyesopen.com>
2727 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2728 have stripped a SUBREG from the shift count, so we may need to
2729 convert_to_mode back to the type's mode before calling make_tree.
2730 Use new_amount instead of amount to avoid expanding a tree twice.
2732 2006-06-19 Richard Guenther <rguenther@suse.de>
2735 * fold-const.c (operand_equal_p): Check if the argument types
2736 have the same precision before stripping NOPs.
2738 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2740 Fix PR tree-optimization/27341
2741 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2743 * tree-complex.c (pass_lower_complex): Update SMT usage.
2745 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2747 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2748 Add a new alternative to the constraint strings. Add move of
2749 operand 1 to 3 to the splitter definition.
2750 ("doloop_si_long"): Second contraint alternative removed.
2752 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2754 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2755 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2757 (AVR_HAVE_MOVW) Define.
2758 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2759 (ASM_SPEC): Add avr25.
2760 (LINK_SPEC): Add avr25.
2761 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2762 (base_arch_s): Add new member 'have_movw_lpmx'.
2763 (avr_arch_types): Init 'have_movw_lpmx'.
2764 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2765 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2766 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2767 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2768 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2770 (avr_file_start): Do not output '.arh' derective.
2771 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2772 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2773 * config/avr/avr.md (mcu_enhanced): Delete.
2774 (mcu_have_movw): Define.
2775 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2776 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2777 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2778 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2779 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2780 attiny861 and at86rf401 devices.
2782 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2784 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2787 2006-06-17 Karl Berry <karl@gnu.org>
2789 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2790 doc/gccint.texi, doc/install.texi (@dircategory): Use
2791 "Software development" instead of "Programming", following
2792 the Free Software Directory.
2794 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2796 * config/i386/i386.c (legitimate_tls_address)
2797 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2798 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2799 (*tls_dynamic_gnu2_combine_64): Likewise.
2801 2006-06-16 Richard Guenther <rguenther@suse.de>
2804 * fold-const.c (negate_expr_p): Do not introduce undefined
2805 overflow in negating INTEGER_CSTs.
2806 (fold_negate_expr): Rename from negate_expr. Revert last
2807 change for folding BIT_NOT_EXPR. Change semantics to
2808 return NULL_TREE for non-simplified negations. Do not
2809 strip type conversions and unify type handling.
2810 (negate_expr): New function, wrap around fold_negate_expr
2811 but ensure building a tree always. Strip type conversions
2812 here, fold to result type.
2813 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2815 2006-06-16 Roger Sayle <roger@eyesopen.com>
2818 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2819 that (would) return their results in stack registers.
2821 2006-06-16 Michael Matz <matz@suse.de>
2822 Richard Guenther <rguenther@suse.de>
2824 * fold-const.c (fold_truthop): Only return new tree node if
2825 we canonicalized something.
2827 2006-06-16 Richard Guenther <rguenther@suse.de>
2829 * function.h (enum function_frequency): Move declaration
2830 out of struct function.
2831 (struct function): Move bool fields and the enum to the bitfield
2832 section. Reorder elements to avoid padding. Remove unused
2833 fields left over from the RTL inliner removal.
2834 * function.c (free_after_compilation): Do not zero removed fields.
2835 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2836 (ipa-type-escape.o): Likewise.
2838 2006-06-16 Richard Guenther <rguenther@suse.de>
2840 * cgraph.h (struct cgraph_local_info): Turn bool elements
2842 (struct cgraph_node): Likewise.
2843 (struct cgraph_varpool_node): Likewise.
2845 2006-06-15 Richard Guenther <rguenther@suse.de>
2847 * fold-const.c (fold_truth_not_expr): Rename from
2848 invert_truthvalue. Give it fold_* semantics to avoid
2850 (invert_truthvalue): New function. Wrapper around
2851 fold_truth_not_expr.
2852 (optimize_minmax_comparison): Avoid creating garbage.
2853 (fold_unary): Use fold_truth_not_expr for folding
2855 (fold_ternary): Replace uses of invert_truthvalue with
2856 fold_truth_not_expr where applicable.
2857 * tree.h (fold_truth_not_expr): Prototype.
2859 2006-06-16 Richard Guenther <rguenther@suse.de>
2861 PR tree-optimization/27781
2862 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2863 * ipa-pure-const.c (target.h): Include.
2864 (analyze_function): Do not analyze functions that do not
2867 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2870 * tree-dfa.c (referenced_vars_dup_list): Remove.
2871 (find_referenced_vars): Remove assert.
2872 (referenced_var_check_and_insert): Replace dup list with assert.
2873 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2874 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2876 2006-06-15 Richard Guenther <rguenther@suse.de>
2878 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2879 extra unused identifiers if not dumping.
2880 (create_variable_info_for): Likewise.
2882 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2884 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2885 (derive_constant_upper_bound): Derive more precise upper bound in
2886 common cases. Return type changed to double_int.
2887 (record_estimate): Reflect the changed return type of
2888 derive_constant_upper_bound.
2889 * double-int.c (double_int_zext, double_int_sext): Fix.
2891 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2893 * configure.ac (CFLAGS): Get them from the toplevel or from the
2894 configure invocation.
2895 * configure: Regenerate.
2896 * Makefile.in (CFLAGS): Substitute value provided by configure.
2898 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2901 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2902 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2903 rather than calling add_stmt on it.
2904 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2906 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2909 * reload1.c (reload): Remove registers returned by update_eliminables
2910 from used_spill_regs.
2912 2006-06-13 DJ Delorie <dj@redhat.com>
2914 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2916 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2918 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2919 html__strip_dir, html__mkdir_p. Enhance install-html target.
2920 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2921 * configure: Regenerate.
2923 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2925 * fold-const.c (fold_cond_expr_with_comparison): Check for
2926 Objective-C++ as language in deciding COND_EXPR transformation.
2928 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2931 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2932 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2933 * config/sh/lib1funcs.h (SL, SL1): Define.
2934 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2935 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2936 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2937 (OBJS_Os_4_200): New variable.
2938 ($(T)libgcc-Os-4-200.a): Use it.
2939 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2940 when dividing 1 and/or by 0.
2942 2006-06-13 Roger Sayle <roger@eyesopen.com>
2944 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2945 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2946 * configure: Regenerate.
2948 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2950 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2951 for real instruction.
2953 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2956 * haifa-sched.c (check_cfg): Handle special case.
2958 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2961 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2962 Add debug_info parameter. Chain the vars to the BLOCK instead
2963 of the BIND_EXPR if debug info are requested for them.
2964 (pop_gimplify_context): Adjust for above change.
2965 (gimple_add_tmp_var): Likewise.
2966 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2968 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2969 (convert_local_reference): Likewise.
2970 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2971 (finalize_nesting_tree_1): Request that debug info be emitted
2972 for debug_var_chain.
2974 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2976 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2977 for PR target/27863.
2979 2006-06-13 Richard Guenther <rguenther@suse.de>
2982 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2984 2006-06-13 Richard Guenther <rguenther@suse.de>
2986 PR tree-optimization/27830
2987 * tree-inline.c (copy_body_r): For copying the operand
2988 of an ADDR_EXPR make sure to fold &* afterwards.
2990 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2992 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2993 lvalues in the fb_none case with side-effects.
2995 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2997 * tree-flow.h: Remove the prototype for
2998 compute_phi_arg_on_exit.
2999 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3000 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3003 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3005 * builtins.c (expand_builtin_return_addr): Only use
3006 frame_pointer_rtx when count == 0 and we are expanding
3007 __builtin_return_address.
3009 2006-06-12 Fred Fish <fnf@specifix.com>
3011 * config/mips/mips.c (mips_file_start): Create special section
3012 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3014 2006-06-11 Eric Christopher <echristo@apple.com>
3017 * stor-layout.c (place_field): Remove check for
3018 remaining_in_alignment when aligning at the end of a run.
3020 2006-06-11 Eric Christopher <echristo@apple.com>
3023 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3026 2006-06-11 Roger Sayle <roger@eyesopen.com>
3029 Revert incorrect fix for PR target/27158
3030 2006-05-08 Roger Sayle <roger@eyesopen.com>
3031 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3032 of a reg_equiv_constant if the result is a legitimate constant.
3034 2006-06-11 Roger Sayle <roger@eyesopen.com>
3037 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3038 extract a CONST_VECTOR element and interpret it as an integer.
3039 (vspltis_constant): Use const_vector_elt_as_int instead of the
3040 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3041 * config/rs6000/predicates.md (easy_vector_const): Consider
3042 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3044 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3047 * stor-layout.c (update_alignment_for_field): Don't add extra
3048 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3051 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3053 * config/mips/t-rtems: Add EL/EB multilib variants.
3055 2006-06-09 Mike Stump <mrs@apple.com>
3057 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3059 2006-06-09 David Daney <ddaney@avtrex.com>
3061 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3063 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3065 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3067 2006-06-09 Richard Guenther <rguenther@suse.de>
3069 PR tree-optimization/26998
3070 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3071 of signed types, only TYPE_MIN_VALUE is special, but for both,
3072 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3073 in this case, as is -fwrapv.
3075 2006-06-08 Mike Stump <mrs@apple.com>
3078 * config/darwin.c (darwin_asm_output_anchor): Disable
3079 -fsection-anchors on darwin for now.
3080 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3081 * rs6000/rs6000.c (optimization_options): Likewise.
3083 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3086 * config/i386/i386.c (classify_argument): Skip fields with invalid
3089 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3091 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3092 (cse_insn): Likewise for the stack_pointer_rtx.
3094 2006-06-08 Roger Sayle <roger@eyesopen.com>
3096 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3097 conditions from floating point comparisons.
3099 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3102 * expmed.c (struct alg_hash_entry): Fix type of field T
3103 to match synth_mult argument.
3104 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3106 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3109 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3112 2006-06-08 Richard Guenther <rguenther@suse.de>
3115 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3116 only, if overflow is defined and not trapping.
3117 (negate_expr): Likewise.
3119 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3121 PR tree-optimization/27872
3122 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3123 flag on the new exit edge of the unrolled loop.
3125 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3127 PR rtl-optimization/26449
3128 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3130 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3133 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3134 referenced_variables with matching DECL_UID's.
3135 (find_referenced_vars): Make sure duplicate list is empty to start.
3136 (referenced_var_p): Remove.
3137 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3138 Check if var is in the list, and add if needed. Update the duplicate
3139 list if a different var is in the list with the same DECL_UID.
3140 (add_referenced_var): Call routine to check and insert.
3141 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3142 * tree-flow.h (referenced_vars_dup_list): External declaration.
3144 2006-06-07 Fred Fish <fnf@specifix.com>
3146 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3149 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3152 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3153 the imaginary and real parts of a clobbered register.
3154 Emit insn to set the imaginary part.
3156 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3158 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3159 in lieu of unwind-dw2-fde.c.
3161 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3163 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3165 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3168 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3169 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3170 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3171 V4SImode temporaries and operations instead.
3173 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3175 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3178 2006-06-06 Mike Stump <mrs@apple.com>
3180 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3181 installing during build.
3183 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3185 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3187 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3188 * config/ia64/ia64.c (params.h): New header.
3189 (ia64_optimization_options): New function to adjust parameters.
3190 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3191 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3192 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3194 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3196 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3198 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3201 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3203 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3204 Victor Kaplansky <victork@il.ibm.com>
3206 PR tree-optimization/26360
3207 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3210 2006-06-04 Roger Sayle <roger@eyesopen.com>
3211 Andrew Pinski <pinskia@physics.uc.edu>
3214 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3215 for LABEL_DECL before calling DECL_WEAK.
3218 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3219 LABEL_DECL and PARM_DECL.
3221 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3225 * c-decl.c (grokdeclarator): Disallow variably modified types at
3226 file scope. Avoid marking shared array type of constant size as
3229 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3232 * c-common.c (fold_offsetof_1): Handle static members.
3234 2006-06-04 Eric Christopher <echristo@apple.com>
3236 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3237 (debug_rli): Output value for remaining_in_alignment.
3238 (update_alignment_for_field): Unconditionalize
3239 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3240 extra alignment code.
3241 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3242 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3243 * tree.h (record_layout_info_s): Remove prev_packed.
3244 * doc/extend.texi (ms_struct): Add documentation of format.
3246 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3248 * tree.h: Declare folding_initializer.
3249 * builtins.c (fold_builtin_constant_p): Give definite answer
3250 if folding inside an initializer.
3251 * fold-const.c: Define folding_initializer.
3252 (START_FOLD_INIT): Save and then set folding_initializer.
3253 (END_FOLD_INIT): Restore folding_initializer.
3255 2006-06-04 Richard Guenther <rguenther@suse.de>
3257 PR tree-optimization/27039
3258 * fold-const.c (fold_comparison): Handle pointer comparison
3259 again for all comparison codes. Compare offsets in signed
3261 (fold_binary): Move code from here.
3263 2006-06-03 Roger Sayle <roger@eyesopen.com>
3266 * config/i386/i386.c (construct_container): Split static issued_error
3267 flag into issued_sse_arg_error, issued_sse_ret_error and
3268 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3269 requires the use of x87 registers and the user explicitly
3270 specified the -mno-80387 command line option.
3272 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3274 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3275 HAVE_DECL_SIGALTSTACK.
3277 (segv_handler): Use MC_FLD.
3278 * configure.ac: Check for a sigaltstack declaration.
3279 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3280 * configure: Regenerate.
3281 * config.in: Regenerate.
3283 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3286 * Makefile.in (stmp-fixinc): Fix typo.
3288 2006-06-02 Roger Sayle <roger@eyesopen.com>
3290 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3291 are type correct. Clean-up.
3292 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3293 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3295 2006-06-01 DJ Delorie <dj@redhat.com>
3297 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3298 shift, as we've disabled the "switch" insn that needs it.
3300 2006-06-01 Per Bothner <bothner@bothner.com>
3302 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3303 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3304 * c-ppoutput.c (cb_define): Don't increment line 0.
3306 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3308 * doc/invoke.texi: Add cpu_type power6.
3309 * config.gcc: Add cpu_type power6.
3310 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3311 to power5+ with Altivec.
3312 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3313 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3315 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3317 * config/avr/avr.h (SET_ASM_OP): Define.
3319 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3321 * config/bfin/bfin.c: Fix comment typos.
3323 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3326 * doc/install.texi: Document --enable-bootstrap and
3327 --disable-bootstrap.
3329 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3331 * doc/install.texi: Document that InfoZIP can replace jar.
3333 2006-05-31 Roger Sayle <roger@eyesopen.com>
3335 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3336 isn't available, directly generate the simpler x87 patterns without
3337 the (use (const_int 0)).
3338 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3339 implementation isn't available.
3340 (*negdf2_1): Likewise.
3341 (*negxf2_1): XF mode negation is always done using the x87.
3342 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3344 2006-05-31 Roger Sayle <roger@eyesopen.com>
3346 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3347 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3349 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3351 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3353 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3354 * config/bfin/bfin.c (basic-block.h): Include.
3355 (struct machine_function): New.
3356 (bfin_init_machine_status): New.
3357 (override_options): Initialize init_machine_status.
3358 (bfin_hardware_loop): New.
3359 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3360 (DEF_VEC_P (loop_info)): New.
3361 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3362 (struct loop_info): New.
3363 (loop_info): New typedef.
3364 (struct loop_work): New.
3365 (loop_work): New typedef.
3366 (DEF_VEC_O (loop_work)): New.
3367 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3368 (bfin_dump_loops): New.
3369 (bfin_bb_in_loop): New.
3370 (bfin_scan_loop): New.
3371 (bfin_optimize_loop): New.
3372 (bfin_reorg_loops): New.
3373 (bfin_reorg): Use bfin_reorg_loops.
3374 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3376 (I_REGNO_P): Simplify.
3377 (DP_REGNO_P, DPREG_P): New macros.
3378 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3379 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3380 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3381 Add LT_REGS, LC_REGS, LB_REGS.
3382 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3384 (REGNO_REG_CLASS): Deal with loop registers.
3385 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3387 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3388 New constants for loop registers.
3389 (UNSPEC_LSETUP_END): New.
3390 (seq_insns): New define_attr. Set it for appropriate insns.
3391 (movsi_insn): Add alternatives for move from/to
3392 loop count registers.
3393 (doloop_end): New define_expand.
3394 (loop_end): New define_insn.
3395 (define_split for bad doloop_end): New.
3396 (lsetup_with_autoinit): New define_insn.
3397 (lsetup_without_autoinit): New define_insn.
3398 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3399 * config/bfin/predicates.md (lc_register_operand): New.
3400 (lt_register_operand): New.
3401 (lb_register_operand): New.
3402 (nondp_register_operand): New.
3403 (nondp_reg_or_memory_operand): New.
3404 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3406 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3408 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3409 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3411 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3413 * Makefile.in (CATALOGS): Add po/ prefix.
3414 * configure: Regenerated.
3416 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3419 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3420 a shift operand before calling shift_op. Avoid redundant call of
3423 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3424 DJ Delorie <dj@redhat.com>
3426 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3427 we're inserting is a singlt-bit constant.
3429 2006-05-30 Roger Sayle <roger@eyesopen.com>
3431 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3432 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3434 2006-05-30 Roger Sayle <roger@eyesopen.com>
3436 PR tree-optimization/23452
3437 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3438 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3439 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3440 complex values and with -ffast-math for FP complex values.
3442 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3444 * c-common.h: Remove the prototype for yyparse.
3445 * rtl.h: Remove the prototype for init_loop.
3447 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3449 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3452 2006-05-30 Roger Sayle <roger@eyesopen.com>
3454 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3456 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3457 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3459 2006-05-30 Dirk Mueller <dmueller@suse.de>
3462 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3463 for CONSTANT_CLASS_P expresisons.
3465 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3468 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3470 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3472 PR tree-optimization/27779
3473 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3474 initial_condition instead of CHREC_LEFT.
3476 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3478 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3479 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3480 Make prototypes ISO C90.
3482 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3483 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3485 * see.c (see_analyze_one_def): Correct check.
3486 (see_get_extension_data): Check if extension is parallel.
3487 (see_get_extension_reg): Likewise.
3489 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3492 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3493 into register for (code == GTU).
3495 2006-05-29 Roger Sayle <roger@eyesopen.com>
3497 PR tree-optimization/24964
3498 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3499 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3500 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3501 abs(x)*abs(x) as x*x for scalar floating point modes.
3503 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3506 * lambda-code.c (perfect_nestify): Don't copy statements
3507 in the inner loop: move them to the inner loop header.
3509 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3512 * c-tree.texi: Document OpenMP directives and clauses.
3514 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3516 * varasm.c (globalize_decl): Fix indentation.
3518 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3521 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3522 pass_fre, pass_store_ccp, pass_copy_prop,
3523 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3524 pass_return_slot, pass_object_size, pass_lim,
3525 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3526 pass_loop_prefetch and pass_stdarg.
3528 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3530 * config/bfin/bfin.opt (mfdpic): New option.
3531 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3532 (EXTRA_MULTILIB_PARTS): Likewise.
3533 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3534 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3536 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3537 (CRT_CALL_STATIC_FUNCTION): New.
3538 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3540 (CRT_CALL_STATIC_FUNCTION): New.
3541 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3543 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3544 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3545 (initialize_trampoline): Changed to handle FD-PIC code generation.
3546 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3547 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3548 (override_options): Disallow -mid-shared-library -mfdpic combination.
3549 Can't do unaligned ops if FD-PIC.
3550 Turn off flag_pic if trying to generate non-id-shared-library
3551 non-fdpic code, since it's not supported.
3552 (bfin_assemble_integer): New function.
3553 (TARGET_ASM_INTEGER): Define.
3554 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3556 * config/bfin/crtn.s: Restore them.
3557 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3559 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3560 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3561 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3562 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3563 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3565 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3566 FDPIC_REGS and FDPIC_FPTR_REGS.
3567 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3568 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3569 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3570 (load_funcdescsi): New pattern.
3571 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3572 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3573 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3575 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3577 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3580 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3582 * tree-flow.h: Remove the prototype for add_type_alias.
3583 * tree-ssa-alias.c (add_type_alias): Remove.
3585 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3587 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3588 config/fr30/fr30.md, config/i386/i386-interix.h,
3589 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3590 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3591 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3592 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3593 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3594 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3595 Follow spelling conventions.
3596 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3597 Follow spelling conventions.
3599 2006-05-27 Richard Guenther <rguenther@suse.de>
3602 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3603 to produce a constant of value 1 of generic type.
3605 2006-05-27 Dirk Mueller <dmueller@suse.de>
3607 * cgraphunit.c (decide_is_function_needed): Fix wrong
3610 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3612 PR rtl-optimization/27661
3613 * reload.c (find_reloads): When reloading a VOIDmode constant
3614 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3615 use Pmode as mode of the reload register.
3617 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3619 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3620 is enabled at -O and above.
3622 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3625 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3628 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3631 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3632 for anonymous variables explicitly declared by front ends.
3634 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3636 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3637 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3638 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3639 ref-all pointers, run a finalization pass for them.
3640 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3641 (finalize_ref_all_pointers): New function.
3642 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3643 regular pointer type to a ref-all pointer type.
3644 (get_tmt_for): Return the special memory tag for ref-all pointers.
3646 2006-05-25 Richard Guenther <rguenther@suse.de>
3649 * fold-const.c (fold_binary): Do not look at the stripped
3650 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3652 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3654 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3655 for LT and GT if the computed range is effectively empty.
3657 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3660 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3661 mips_quad_format formats instead of ieee_single_format,
3662 ieee_double_format and ieee_quad_format formats, respectively.
3664 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3666 PR tree-optimization/27639
3667 PR tree-optimization/26719
3668 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3669 call to scev_probably_wraps_p.
3670 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3671 used_in_pointer_arithmetic_p, convert_step): Removed.
3672 (nowrap_type_p): New function.
3673 (scev_probably_wraps_p): Rewritten.
3674 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3675 chrec_convert if chrec_convert_aggressive might have been used.
3676 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3677 scev_direction): New functions.
3678 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3679 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3680 instead of convert_step.
3681 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3682 (convert_step): Declaration removed.
3683 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3685 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3687 * df-core.c: Added to header comments.
3688 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3689 df_ur_bb_info, df_urec_bb_info): Added comments.
3690 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3691 urec, ri problems): Fixed header comments.
3692 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3693 code from df_rd_transfer_function.
3695 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3697 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3698 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3699 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3701 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3703 * expr.c (undefined_operand_subword_p): New.
3704 (emit_move_multi_word): Do not generate move from undefined bits
3705 of a paradoxical subreg.
3707 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3709 PR rtl-optimization/27736
3710 * combine.c (replaced_rhs_value): New variable.
3711 (combine_instructions): Set it.
3712 (distribute_notes): When distributing a note in replaced_rhs_insn,
3713 check whether the value was used in replaced_rhs_value.
3715 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3718 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3719 add_referenced_var instead of add_referenced_tmp_var.
3720 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3721 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3723 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3724 tree_optimize_tail_calls_1): Use add_referenced_var.
3725 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3726 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3727 Use add_referenced_var.
3728 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3729 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3730 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3731 Use add_referenced_var.
3732 * tree-dfa.c (struct walk_state): Remove.
3733 (find_referenced_vars): Remove walk state and vars_found hash table.
3734 (make_rename_temp): Use add_referenced_var.
3735 (find_vars_r): Pass less parameters to add_referenced_var.
3736 (referenced_var_p): New. Is var in referenced_var hash table.
3737 (referenced_var_insert): Assert var isn't already in hash table.
3738 (add_referenced_var): Don't need walk_state parameter. Add var if it
3739 isn't already in the hash table.
3740 (add_referenced_tmp_var): Remove.
3741 (find_new_referenced_vars_1): Use add_referenced_var.
3742 * tree-ssa-pre.c (create_expression_by_pieces,
3743 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3744 Use add_referenced_var.
3745 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3746 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3747 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3749 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3750 vect_create_data_ref_ptr, vect_create_destination_var,
3751 vect_init_vector, vect_build_loop_niters,
3752 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3753 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3754 Use add_referenced_var.
3755 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3756 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3757 (add_referenced_var): Add prototype.
3758 * tree-ssa-structalias.c (get_constraint_for,
3759 intra_create_variable_infos): Use add_referenced_var.
3761 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3763 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3764 big-endian paradoxical subregs.
3765 * var-tracking.c (struct micro_operation_def): Document that,
3766 for modify micro operations, insn is the subsequent instruction.
3767 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3768 (var_reg_set, var_mem_set): ... new functions.
3769 (add_stores): Record subsequent insn.
3770 (compute_bb_dataflow): Use new functions for MO_USE.
3771 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3772 notes after the insn, and modify notes before the insn known
3773 to be the subsequent one.
3774 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3776 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3779 * config/i386/i386.c (ix86_expand_builtin): Use
3780 gen_sse3_monitor64 for TARGET_64BIT.
3782 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3784 PR rtl-optimization/26375
3785 PR rtl-optimization/26855
3786 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3788 (df_ru_bb_local_compute): Reversed statements and removed bogus
3789 comment explaining why they should be in wrong order.
3790 (df_ru_dump, df_rd_dump): Enhanced debug info.
3791 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3793 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3794 reaching uses and fixed space problem.
3796 2006-05-23 Jan Hubicka <jh@suse.cz>
3798 * cgraphunit.c (decide_is_function_needed): Also nested functions
3799 and functions declared inline can be optimized out at -O0.
3801 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3803 * doc/install.texi (Configuration): Remove reference to CrossGCC
3807 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3810 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3811 ix86_compare_emitted is non-NULL.
3813 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3816 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3819 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3821 PR rtl-optimization/25514
3822 * combine.c (replaced_rhs_insn): New variable.
3823 (combine_instructions): Set replaced_rhs_insn when trying to replace
3824 a SET_SRC with a REG_EQUAL note.
3825 (distribute_notes): Use replaced_rhs_insn when determining the live
3826 range of a REG_DEAD register.
3828 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3829 Anatoly Sokolov <aesok@post.ru>
3831 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3832 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3833 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3834 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3835 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3836 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3837 at90usb647, at90usb1286 and at90usb1287 devices.
3838 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3839 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3841 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3843 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3845 2006-05-22 Richard Guenther <rguenther@suse.de>
3848 2006-01-31 Richard Guenther <rguenther@suse.de>
3849 Paolo Bonzini <bonzini@gnu.org>
3851 * doc/install.texi (--disable-libgcc-math): Document.
3853 2006-05-22 Richard Guenther <rguenther@suse.de>
3856 2006-01-31 Richard Guenther <rguenther@suse.de>
3858 * doc/invoke.texi (-msselibm): Document.
3859 * target.h (expand_library_builtin): New target hook.
3860 * builtins.c (expand_builtin): Use expand_library_builtin.
3861 (default_expand_library_builtin): New function.
3862 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3863 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3864 (link_gcc_math_spec): Declare.
3865 (static_specs): Add link_gcc_math_spec.
3866 * expr.h (default_expand_library_builtin): Declare.
3867 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3868 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3869 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3870 * config/i386/i386.opt (msselibm): New target option.
3871 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3872 (ix86_init_sse_abi_builtins): New function.
3873 (ix86_expand_library_builtin): Likewise.
3874 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3875 (override_options): Handle error conditions wrt -msselibm.
3876 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3877 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3878 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3881 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3884 * c-common.c (self_promoting_args_p): Skip erroneous args.
3887 * c-decl.c (finish_struct): Skip erroneous fields.
3889 2006-05-22 Nick Clifton <nickc@redhat.com>
3891 * config/cris/cris.opt (march): Remove VarExists attribute.
3892 (max-stackframe=): Likewise.
3894 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3896 * doc/rtl.texi: Fix a typo.
3897 * see.c: Fix comment typos.
3899 * tree-ssa-structalias.h (alias_info): Remove num_references.
3901 2006-05-21 Mike Stump <mrs@apple.com>
3903 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3905 (darwin_pragma_options): Use BAD instead.
3906 (darwin_pragma_unused): Likewise.
3907 (darwin_pragma_ms_struct): Likewise.
3909 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3911 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3913 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3915 PR rtl-optimization/27671
3916 * simplify-rtx.c (simplify_relational_operation_1): Fix
3917 simplifications of (eq/ne (xor x y) y) and
3918 (eq/ne (xor x y) x).
3920 PR tree-optimization/26622.
3921 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3924 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3926 * tree-cfg.c: Prune whitespace.
3927 (debug_tree_cfg): Point to correct header containing the
3930 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3933 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3935 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3938 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3939 or sorry count is non zero.
3941 2006-05-20 Andreas Schwab <schwab@suse.de>
3943 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3945 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3946 Kenneth Zadeck <zadeck@naturalbridge.com>
3948 PR rtl-optimization/26855
3950 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3952 (df_scan_alloc): Added code to properly handle multiword hard
3953 registers and add all_blocks parameter.
3954 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3955 code to properly handle multiword hard registers.
3956 (df_rescan_blocks): Added code to remove deleted blocks from
3958 (df_ref_create_structure, df_ref_record): Added code to properly
3960 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3961 and set DF_REF_PARTIAL.
3962 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3963 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3964 (df_scan_add_problem): Added flags parameter.
3965 (df_ref_create_structure): Changed switching structure.
3966 (df_bb_refs_record): Fixed case where duplicate artificial refs
3967 were created. Changed location of flags.
3968 (df_record_entry_block_defs): Added code to make stack pointer
3969 live in entry block. Refined cases where frame pointer is needed.
3970 Changed location of flags.
3971 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3972 (df_set_state): Removed function.
3973 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3974 df_insn_create_insn_record, df_insn_refs_delete,
3975 df_ref_create_structure): Formatting changes.
3976 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3977 df_delete_basic_block): New function.
3978 (df_init): Changed location of flags.
3979 (df_add_problem): Added flags parameter and the way flags are
3981 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3982 debug_df_chain): Improved debugging output.
3983 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3984 (df_refs_chain_dump): Removed df parameter.
3985 (df_iterative_dataflow): Added consistency check.
3986 (df_prune_to_subcfg): Made public.
3987 (df_analyze_problem): Added blocks_to_init parameter and made
3989 (df_ref_record, df_bb_refs_record, df_mark_reg,
3990 df_record_exit_block_uses): Whitespace changes.
3991 (df_dump): Whitespace changes.
3992 * df.h: Some reordering to remove forward references.
3993 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3994 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3995 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3996 (dataflow.flags): New field.
3997 (df.flag): Deleted field.
3998 (df_alloc_function): Added additional bitmap parameter.
3999 (df_dependent_problem_function): New type.
4000 (df_problem.changeable_flags): New field.
4001 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4002 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4003 (df_mw_hardreg): New struct.
4004 (DF_INSN_UID_MWS): New macro.
4005 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4007 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4008 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4009 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4010 (df_set_state): Removed function.
4011 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4012 * df-problems.c (df_chain_dump): Removed df parameter.
4013 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4014 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4016 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4017 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4018 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4019 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4020 DF_REF_MUST_CLOBBER cases.
4021 (df_ru_bb_local_compute_process_def,
4022 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4023 df_lr_bb_local_compute, df_ur_bb_local_compute,
4024 df_chain_create_bb): Made subreg aware.
4025 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4026 df_lr_bb_local_compute, df_lr_bb_local_compute,
4027 df_chain_create_bb): Cleanup to use proper macros.
4028 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4029 code to fixup bitvectors.
4030 (df_ri_alloc): Cleared lifetime.
4031 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4032 df_create_unused_note): New function.
4033 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4034 REG_DEAD and REG_UNUSED notes as well as register information.
4035 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4036 df_chains_dump): Fixed crash if problem was never run.
4037 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4038 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4039 df_ri_add_problem): Processes flags in uniform manner.
4040 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4041 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4042 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4043 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4044 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4045 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4046 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4047 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4048 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4049 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4050 * see.c (see_initialize_data): Ditto.
4051 * final.c (rest_of_clean_state) Added regstack_completed.
4052 * rtl.h (regstack_completed): Ditto.
4053 * reg-stack.c (regstack_completed): Ditto.
4055 2006-05-19 Mike Stump <mrs@apple.com>
4057 * c-tree.h (default_conversion): Remove.
4058 * c-common.h (default_conversion): Add.
4060 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4062 * tree-vrp.c (valid_value_p): New function.
4063 (adjust_range_with_scev): Fail if the value of bound is not
4066 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4068 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4069 (mips_fallback_frame_state): Use syscall numbers to determine
4070 the appropriate li instruction for the current ABI. Only use
4071 __NR_sigreturn for o32.
4073 2006-05-19 Nicolas Setton <setton@adacore.com>
4075 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4076 * langhooks.c (lhd_dwarf_name): New function.
4077 * langhooks-def.h (lhd_dwarf_name): Declare.
4078 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4079 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4080 * ada/misc.c (gnat_dwarf_name): New function.
4081 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4083 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4085 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4087 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4088 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4089 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4090 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4091 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4092 determine the size of Wtype, etc.
4093 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4094 (swfloatfuncs): New variable.
4095 (dwfloatfuncs): Likewise.
4096 (lib2funcs): Remove floating-point conversion functions from
4097 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4098 the set of conversion routines needed. Allow entries to specify
4099 an object name, filename and word size. Update users accordingly.
4100 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4101 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4105 2006-02-08 Roger Sayle <roger@eyesopen.com>
4108 * config/fixtfdi.c: New libgcc source file.
4109 * config/fixunstfdi.c: New source file.
4110 * config/floatditf.c: New source file.
4111 * config/floatunditf.c: New souce file.
4112 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4113 files above instead of config/mips/_tilib.c.
4114 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4116 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4118 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4119 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4121 2006-05-18 Mike Stump <mrs@apple.com>
4123 Fix up vla, vm and [*] sematics.
4129 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4130 (c_vla_unspec_p): Add.
4131 (c_vla_type_p): Add.
4132 * c-decl.c (struct c_scope): Add had_vla_unspec.
4133 (build_array_declarator): Add support for [*].
4134 (grokdeclarator): Likewise.
4135 (grokparms): Likewise.
4136 (get_parm_info): Likewise.
4137 * c-objc-common.c (c_vla_unspec_p): Likewise.
4138 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4139 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4140 typeof when argument is a variably modified type not inside sizeof or alignof.
4141 (c_parser_direct_declarator_inner): Propagate errors.
4142 (c_parser_sizeof_expression): Add support for [*].
4143 (c_parser_parms_declarator): Initialize had_vla_unspec.
4144 (c_parser_parms_list_declarator): Likewise.
4145 * c-typeck.c (c_vla_type_p): Add.
4146 (composite_type): Add support for vla compositing.
4147 (comptypes_internal): Add support for vla compatibility.
4148 (c_expr_sizeof_expr): Evaluate vla arguments.
4149 * tree.c (variably_modified_type_p): Update comment for [*].
4151 2006-05-18 Michael Matz <matz@suse.de>
4154 * config.host: Make assignments to host_xmake_file cumulative.
4155 * config.host (*-darwin*): Test $host, not $target.
4157 2006-05-12 Stuart Hastings <stuart@apple.com>
4159 * config/i386/i386.opt (-mstackrealign): New flag.
4160 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4161 (ix86_handle_cconv_attribute): Emit error when
4162 force_align_arg_pointer attribute collides with too many regparms.
4163 (ix86_function_regparm): Limit regparms when used with
4164 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4165 Support stack-realigning prologue in non-main functions. Emit
4166 warning for nested functions under -mstackrealign, emit error for
4167 nested functions with force_align_arg_pointer attribute.
4168 * doc/extend.texi (force_align_arg_pointer): Document it.
4169 * doc/invoke.texi (-mstackrealign): Document it.
4171 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4173 PR rtl-optimization/27477
4174 * combine.c (try_combine): Don't split a parallel consisting
4175 of two sets into two individual sets if both sets reference
4178 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4180 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4181 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4183 * doc/options.texi (VarExists): Updated.
4185 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4187 * unwind-dw2.c: Add declarations for uw_update_context and
4189 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4190 detected, advance frame state and context once to skip over stub.
4192 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4196 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4197 Call rewrite_into_loop_closed_ssa only when something changed.
4198 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4199 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4200 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4201 Test for perfect_nest_p here. Fix formating.
4202 (replace_uses_equiv_to_x_with_y): Fix formating.
4203 (stmt_uses_op): Removed.
4204 (can_convert_to_perfect_nest): Removed loopivs parameter.
4205 Complete the test by checking the scalar dependences.
4206 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4209 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4212 From Dan Kegel <dank@kegel.com>:
4213 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4215 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4217 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4218 if the element type is variably modified without recursing.
4220 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4223 * tree-loop-linear.c (try_interchange_loops): Test for
4224 no data dependences.
4226 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4228 PR tree-optimization/27548
4229 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4230 range of ssa names that appear on abnormal edges.
4231 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4232 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4234 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4237 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4239 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4242 * tree.h (OMP_PARALLEL_COMBINED): Define.
4243 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4244 (new_omp_context): Add is_combined_parallel argument.
4245 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4246 new_omp_context caller.
4247 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4248 Adjust gimplify_scan_omp_clauses callers.
4249 (omp_is_private): Issue errors if iteration variable is firstprivate
4250 or reduction in the current context.
4251 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4252 on combined parallel workshare constructs.
4254 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4256 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4257 (gcc-options.o): New rule.
4259 * optc-gen.awk: Protect variables for gcc-options.o with
4260 #ifdef GCC_DRIVER/#endif.
4262 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4264 Fix PR tree-optimization/27373
4265 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4266 (forward_propagate_addr_expr): Update call.
4268 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4270 * doc/options.texi: Move the Negative option.
4272 2006-05-16 Richard Guenther <rguenther@suse.de>
4274 PR tree-optimization/22303
4275 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4277 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4278 ccp_fold did not simplify the statement.
4280 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4283 * Makefile.in (GCC_OBJS): New.
4284 (OBJS-common): Add opts-common.o.
4285 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4286 (cpp$(exeext)): Likewise.
4287 (gcc.o): Also depend on opts.h.
4288 (opts-common.o): New.
4290 * common.opt (gcoff): Add Negative(gdwarf-2).
4291 (gdwarf-2): Add Negative(gstabs).
4292 (gstabs): Add Negative(gstabs+).
4293 (gstabs+): Add Negative(gvms).
4294 (gvms): Add Negative(gxcoff).
4295 (gxcoff): Add Negative(gxcoff+).
4296 (gxcoff+): Add Negative(gcoff).
4297 * config/i386/i386.opt (m32): Add Negative(m64).
4298 (m64): Add Negative(m32).
4300 * doc/options.texi: Document the Negative option.
4302 * gcc.c: Include "opts.h".
4303 (main): Call prune_options after expandargv.
4305 * optc-gen.awk: Generate common declarations for all flag
4306 variables in options.c. Output the neg_index field.
4308 * opts.c (find_opt): Moved to ...
4309 * opts-common.c: Here. New file.
4311 * opts.h (cl_option): Add a neg_index field.
4313 (prune_options): Likewise.
4315 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4318 * omp-low.c (expand_omp_parallel): Don't assert
4319 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4320 instead search for it.
4323 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4326 2006-05-16 Andreas Schwab <schwab@suse.de>
4328 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4331 2006-05-15 Roger Sayle <roger@eyesopen.com>
4334 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4335 integer constants other than zero are only legitimate on TARGET_64BIT.
4336 <CONST_VECTOR> Only zero vectors are legitimate.
4337 (ix86_cannot_force_const_mem): Integral and vector constants can
4338 always be put in the constant pool.
4340 2006-05-16 DJ Delorie <dj@redhat.com>
4342 * crtstuff.c (__dso_handle): Set section from
4343 TARGET_LBIGCC_SDATA_SECTION if defined.
4344 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4345 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4347 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4350 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4353 2006-05-16 Ben Elliston <bje@au.ibm.com>
4355 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4357 2006-05-15 Per Bothner <per@bothner.com>
4359 * tree.c: (last_annotated_node): Use source_locus typedef.
4360 This permits bootstrapping with --enable-mapped-location.
4362 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4364 PR tree-optimization/26830
4365 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4366 (info_for_ssa_name, current_info_for_ssa_name_age,
4367 blocks_to_update): New variables.
4368 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4369 (clear_ssa_name_info, initialize_flags_in_bb,
4370 mark_block_for_update): New functions.
4371 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4372 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4373 prepare_def_site_for): Use mark_block_for_update.
4374 (mark_def_interesting): Assert that the processed block is marked in
4375 blocks_to_update. Do not take blocks argument.
4376 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4378 (rewrite_update_init_block, rewrite_update_stmt): Only process
4379 blocks with statements to rewrite.
4380 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4381 (update_ssa): Initialize and free blocks_to_update. Do not
4382 clear flags on statements. Do not use blocks bitmap.
4383 * tree.h (SSA_NAME_AUX): Removed.
4384 (struct tree_ssa_name): Removed aux field.
4385 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4387 2006-05-15 Richard Guenther <rguenther@suse.de>
4389 PR tree-optimization/27603
4390 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4391 Do computations in original type.
4393 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4395 * see.c: Code style changes such as redundant paranthesis,
4396 redundant intialization of local variables etc.
4397 (see_main): Declared now as static.
4398 * doc/invoke.texi: Update that -fsee is not enabled by
4401 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4403 * omp-low.c (check_omp_nesting_restrictions): New function.
4404 (scan_omp_1): Call it.
4407 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4408 construct, return *VAR.
4410 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4412 PR rtl-optimization/27406
4413 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4416 2006-05-14 Roger Sayle <roger@eyesopen.com>
4418 PR rtl-optimization/27538
4419 * combine.c (expand_compound_operation): Call gen_lowpart
4420 before calling simplify_shift_const.
4422 2006-05-14 Roger Sayle <roger@eyesopen.com>
4424 PR rtl-optimization/22563
4425 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4426 a fixed width bitfield, always force the intermediates into psuedos.
4428 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4431 * mkconfig.sh: Use operator = instead of == for test.
4433 2006-05-13 Nick Clifton <nickc@redhat.com>
4435 * dwarf2out.c (dbx_reg_number): Check return value from
4436 LEAF_REG_REMAP and only use it if it is valid.
4437 (multiple_reg_loc_descriptor): Likewise.
4439 2006-05-13 Richard Guenther <rguenther@suse.de>
4441 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4444 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4446 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4447 information attached to non-INSNs such as NOTEs.
4448 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4450 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4452 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4454 * config/s390/s390.md: Adjust comment describing On constraint.
4456 2006-05-11 Jan Hubicka <jh@suse.cz>
4458 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4459 to be output at -O0.
4461 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4464 * fold-const.c (size_binop): Move sanity check for arguments to
4465 the beginning of the function.
4468 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4471 2006-05-11 Richard Guenther <rguenther@suse.de>
4474 * fold-const.c (fold_unary): Handle intermediate conversion
4475 to a pointer type like intermediate conversion to an integer
4476 type in folding of (T1)(T2)var to var.
4477 Match the code to the comment in the final conversion for
4478 (T1)(T2)var to (T1)var regarding to type precision. Rather
4479 than disallow T1 being of pointer type, assert that both T1
4480 and var are of pointer type or not. Make sure not to fall
4481 over the frontends lazyness wrt array to pointer decay though.
4483 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4485 * arm.c (arm_struct_value_rtx): Delete.
4486 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4487 (arm_init_cumulative_args): Always initialize nregs to zero.
4489 2006-05-10 Richard Guenther <rguenther@suse.de>
4491 PR tree-optimization/27532
4492 * tree-object-size.c (plus_expr_object_size): Fix typo.
4494 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4497 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4498 ashrdi_const, ashrdi3): Use a scratch register.
4500 2006-05-10 Richard Guenther <rguenther@suse.de>
4502 PR tree-optimization/27302
4503 * fold-const.c (operand_equal_p): For two comparisons,
4504 try comparison of one comparison code swapped if that yields
4507 2006-05-10 Ben Elliston <bje@au.ibm.com>
4509 * tree-pretty-print.c (pretty_print_string): No need to handle
4510 '\0' as a special character.
4512 * tree.h: Include "hashtab.h".
4513 (iterative_hash_expr): Use hashval_t in its prototype.
4514 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4516 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4519 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4520 (hppa*64*-*-hpux11*): Ditto.
4521 (hppa[12]*-*-hpux11*): Ditto.
4523 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4526 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4528 2006-05-09 Michael Matz <matz@suse.de>
4530 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4531 host_extra_gcc_objs and host_xmake_file.
4532 (<*-*-linux*>): Don't overwrite host_xmake_file.
4533 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4534 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4535 (host_detect_local_cpu): Declare.
4536 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4537 * config/i386/i386.c (override_options): Handle -mtune=native
4539 * config/i386/x-i386: New file.
4540 * config/i386/driver-i386.c: New file.
4541 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4544 2006-05-09 Dirk Mueller <dmueller@suse.de>
4545 Richard Guenther <rguenther@suse.de>
4548 * fold-const.c (fold_read_from_constant_string): Relax check
4549 for matching types to matching modes.
4551 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4553 PR rtl-optimization/27335
4554 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4557 2006-05-08 Chao-ying Fu <fu@mips.com>
4558 Richard Sandiford <richard@codesourcery.com>
4560 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4561 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4562 * config/mips/mips.md (UNSPEC_SCC): New constant.
4563 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4564 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4565 (mips_emit_compare): Use it.
4566 (mips_expand_vcondv2sf): New function.
4568 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4570 Fix PR tree-optimization/27093
4571 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4572 renaming when they become not-used_alone.
4574 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4576 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4577 relocation and relocation stubs.
4579 2006-05-08 Eric Christopher <echristo@apple.com>
4581 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4584 2006-05-08 Jan Hubicka <jh@suse.cz>
4587 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4588 unused static functions are needed.
4590 2006-05-08 Roger Sayle <roger@eyesopen.com>
4593 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4594 of a reg_equiv_constant if the result is a legitimate constant.
4596 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4599 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4600 standard 80387 constants, raise the cost to prevent
4601 compress_float_constant() to generate load from memory.
4603 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4605 * config/arm/constraints.md (c): Fix a typo.
4607 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4610 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4613 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4615 (_mm_mwait): Likewise.
4617 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4619 (sse3_monitor): Make it 32bit only.
4620 (sse3_monitor64): New. 64bit monitor.
4622 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4625 * config/i386/i386.c (classify_argument): Skip fields with invalid
4628 2006-05-07 Richard Guenther <rguenther@suse.de>
4630 PR tree-optimization/27409
4631 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4632 Do not try to find zero-sized subvars.
4634 2006-05-07 Richard Guenther <rguenther@suse.de>
4636 PR tree-optimization/27136
4637 * tree-ssa-loop-niter.c (get_val_for): Correct function
4638 comment, assert requirements.
4639 (loop_niter_by_eval): Stop processing if the iterated
4640 value did not simplify.
4642 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4644 * opts.c (flag_see): remove its setting at -O3.
4646 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4648 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4649 * arm/constraints.md: New file.
4650 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4651 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4652 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4653 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4654 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4655 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4656 * arm.md: Include constraints.md.
4657 (thumb_movsi_insn): Use satisfies_constraint_J.
4658 (movhi, movqi): Use satisfies_constraint_I.
4660 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4662 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4663 for atmeg a645 device.
4665 2006-05-06 Richard Guenther <rguenther@suse.de>
4667 PR tree-optimization/27151
4668 * tree-vect-transform.c (vectorizable_condition): Punt on
4669 values that have a different type than the condition.
4671 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4674 * c-parser.c (c_parser_cast_expression): Only insert casts into
4675 hash table if pointer.
4676 * function.c (used_types_insert_helper): Rename from
4678 (used_types_insert): Call used_types_insert_helper.
4679 * function.h (used_types_insert): Accept only one argument.
4681 2006-05-05 David Edelsohn <edesohn@gnu.org>
4683 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4684 scratch with output modifier.
4686 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4689 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4690 with output modifier.
4692 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4695 * config/mips/mips.c (mips_symbolic_address_p): Return true
4696 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4697 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4699 2006-05-04 Richard Guenther <rguenther@suse.de>
4701 PR tree-optimization/14287
4702 PR tree-optimization/14844
4703 PR tree-optimization/19792
4704 PR tree-optimization/21608
4705 PR tree-optimization/27090
4706 * tree-ssa-pre.c (try_combine_conversion): New function.
4707 (compute_avail): After constructing the value-handle
4708 expression, use try_combine_conversion to combine NOP_EXPRs
4709 with previous value-handle expressions and use the result if it
4712 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4714 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4716 2006-05-04 Jan Hubicka <jh@suse.cz>
4719 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4721 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4723 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4724 that this only matches CONST_INTs. All users changed to VOIDmode
4727 * config/bfin/bfin.c: Include "optabs.h".
4728 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4730 (enum bfin_builtins): Add a number of fractional and vector builtins.
4731 (bfin_init_builtins): Likewise.
4732 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4733 (safe_vector_operand, bfin_expand_binop_builtin,
4734 bfin_expand_unop_builtin): New functions.
4735 (bfin_expand_builtin): Handle the new builtins.
4736 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4739 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4742 * Makefile.in (OBJS-common): Add see.o.
4743 (see.o): Add dependencies.
4744 * common.opt (fsee): New flag for the see optimization was added.
4745 * opts.c (flag_see): Initialized.
4746 * passes.c (init_optimization_passes, pass_see): New pass.
4747 * rtl.h (see_main): Declaration as extern.
4748 * timevar.def (TV_SEE): New.
4749 * tree-pass.h (pass_see): Declaration as extern.
4750 * invoke.texi (-fsee): Document.
4751 * recog.c (validate_simplify_insn): New function.
4752 * recog.h (validate_simplify_insn): Declaration as extern.
4753 * df-problems.c (df_chain_dump): Check for NULL.
4755 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4756 Daniel Berlin <dberlin@dberlin.org>
4758 * cfgrtl.c (insert_insn_bb_end_new): New function.
4759 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4761 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4763 * df.h (struct web_entry): Moved from web.c.
4764 (union_defs): Declaration as extern.
4765 (unionfind_root): Likewise.
4766 (unionfind_union): Likewise.
4767 * web.c (struct web_entry): Moved to df.h.
4768 (unionfind_root): Remove static declaration.
4769 (unionfind_union): Likewise.
4770 (union_defs): Likewise and generalize to use callback function.
4771 (web_main): Update arguments for union_defs function call.
4773 2006-05-04 Richard Guenther <rguenther@suse.de>
4775 PR tree-optimization/26447
4776 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4777 produce SSA_NAME copies before the store stmt to avoid
4778 breaking exception handling.
4780 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4783 * gimplify.c (omp_is_private): If var is shared in some outer context,
4784 return false instead of true. Stop searching on parallel context
4787 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4790 * coverage.c: Use get_gcov_unsigned_t() instead of
4791 unsigned_type_node all over.
4793 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4795 PR tree-optimization/27381
4796 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4797 maintain the same immediate_use links.
4798 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4799 node rather than segfaulting.
4801 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4804 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4805 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4806 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4808 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4810 Fix PR tree-optimization/26626
4811 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4813 * tree-ssa-operands.c (access_can_touch_variable): Allow
4814 typecasting through union pointers.
4816 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4819 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4820 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4821 to find if var will be a global variable even in the nested context.
4822 (omp_copy_decl): Only check for global variable at the end, it might
4823 be overridden in outer contexts.
4824 (scan_sharing_clauses): For global variables don't create a field.
4825 (lower_rec_input_clauses): Do nothing for global shared variables.
4826 Emit a barrier at the end of ILIST if there were any decls in both
4827 firstprivate and lastprivate clauses.
4828 (lower_send_clauses): Do nothing for global variables except for
4831 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4833 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4834 of the correct signedness is returned.
4836 2006-05-02 Jeff Law <law@redhat.com>
4838 PR tree-optimization/27364
4839 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4840 multiply expressions.
4842 2006-05-02 Tom Tromey <tromey@redhat.com>
4844 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4846 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4849 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4850 -mthumb -fPIC are used.
4852 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4853 Joshua Kinard <kumba@gentoo.org>
4856 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4857 with 64-bit pointers.
4859 2006-05-02 Paul Brook <paul@codesourcery.com>
4861 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4863 (create_fix_barrier): Check that a suitable barrier location is
4865 (arm_reorg): Include ftmp->address in allowable range of addresses.
4867 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4870 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4873 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4876 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4877 around RESULT_DECL for result passed by reference.
4878 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4879 * omp-low.c (use_pointer_for_field): Don't look at
4880 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4881 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4882 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4883 time or var for passing by reference for
4884 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4885 TREE_ADDRESSABLE variables when passing by reference.
4887 * omp-low.c (dump_omp_region): Fix output formatting.
4890 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4891 (expand_omp_parallel): Likewise.
4892 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4895 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4896 on statement list containing also constructors and destructors.
4897 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4900 * except.c (duplicate_eh_regions): Fix clearing of
4901 cfun->eh->region_array entries.
4903 2006-05-01 DJ Delorie <dj@redhat.com>
4905 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4907 (gcc_cv_objdump): Likewise.
4908 * configure: Regenerated.
4910 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4913 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4914 templates for case 3 and 4.
4916 2006-05-01 DJ Delorie <dj@redhat.com>
4918 * vec.c: Include bconfig.h when appropriate.
4919 * Makefile.in (build/vec.o): Adjust dependencies.
4920 * mkconfig.sh: Make sure config.h isn't used for build machine
4923 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4925 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4927 (mark_phi_for_rewrite): New function.
4928 (insert_phi_nodes_for, mark_use_interesting): Call
4929 mark_phi_for_rewrite.
4930 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4931 (update_ssa): Initialize and free phis_to_rewrite.
4933 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4935 PR rtl-optimization/27291
4936 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4937 folded to a constant.
4939 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4941 PR tree-optimization/27283
4942 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4943 not whole # of iteration descriptions.
4944 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4945 uses abnormal ssa name.
4946 (niter_for_single_dom_exit): Ditto.
4947 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4948 return just the number of iterations.
4950 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4952 PR tree-optimization/27144
4953 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4954 (record_estimate): Only record constant upper bound.
4955 (infer_loop_bounds_from_undefined): Call
4956 compute_estimated_nb_iterations just once.
4957 (proved_non_wrapping_p): Renamed to ...
4958 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4959 (convert_step_widening, scev_probably_wraps_p): Call
4960 n_of_executions_at_most instead of proved_non_wrapping_p.
4961 (substitute_in_loop_info): Do not replace values in bounds.
4962 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4965 2006-05-01 Richard Henderson <rth@redhat.com>
4968 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4969 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4972 2006-05-01 Roger Sayle <roger@eyesopen.com>
4974 * c-typeck.c (parser_build_binary_op): Don't call the function
4975 unsigned_conversion_warning to spot operand/result type overflow.
4976 (build_binary_op): Instead, call convert_and_check instead of
4977 convert to report the problem when the operands are promoted.
4978 * c-common.c (unsigned_conversion_warning): Make static.
4979 * c-common.h (unsigned_conversion_warning): Delete prototype.
4981 2006-05-01 Richard Guenther <rguenther@suse.de>
4983 PR tree-optimization/26726
4984 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4986 (find_interesting_uses_address): ... we work around here
4987 by folding INDIRECT_REFs in the substituted base.
4989 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4991 * omp-low.c (dump_omp_region): Add newlines.
4993 2006-04-30 Roger Sayle <roger@eyesopen.com>
4995 * common.opt (Woverflow): New command line option.
4996 * c-common.c (constant_expression_warning): Check warn_overflow.
4997 (overflow_waring): Pass OPT_Woverflow to warning.
4998 (unsigned_conversion_warning): Likewise.
4999 (convert_and_check): Likewise.
5000 * doc/invoke.texi: Document new command line option.
5002 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5004 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5005 TARGET_NO_FP_IN_TOC for section anchors.
5006 (optimization_options): Enable section anchors for all
5007 non-"Objective" languages.
5009 2006-04-28 Eric Christopher <echristo@apple.com>
5011 * config/darwin-c.c (darwin_ms_struct): Move this
5012 (darwin_set_default_type_attributes): and this...
5013 * config/darwin.c: ... here.
5014 * config/darwin.h (darwin_ms_struct): Declare.
5016 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5018 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5020 2006-04-28 Roger Sayle <roger@eyesopen.com>
5023 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5024 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5025 an unsigned HOST_WIDE_INT.
5026 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5028 (really_start_incremental_init): No need to call convert because
5029 bitsize_zero_node is already of type bitsizetype.
5030 (push_init_level): Extract the value of constructor_index as an
5031 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5032 (process_init_element): Likewise.
5034 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5036 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5037 value before passing to make_relative_prefix.
5039 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5042 * builtins.c (expand_builtin_memset): Expand val in original mode.
5044 2006-04-27 Eric Christopher <echristo@apple.com>
5046 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5047 with #ifndef/#endif.
5048 * config/darwin-c.c (darwin_ms_struct): New.
5049 (darwin_pragma_ms_struct): Ditto.
5050 (darwin_set_default_type_attributes): Ditto.
5051 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5052 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5053 Register ms_struct pragma.
5054 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5055 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5056 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5057 darwin_set_default_type_attributes if TARGET_MACHO.
5059 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5061 PR tree-optimization/26854
5062 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5063 * doc/tree-ssa.texi: Update immuse iterator documentation.
5064 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5065 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5066 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5067 first_safe_imm_use, next_safe_imm_use): Remove.
5068 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5069 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5070 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5071 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5072 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5073 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5074 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5075 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5076 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5077 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5078 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5079 (perfect_nestify): Use new iterator.
5080 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5082 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5083 (next_imm_name): New field in struct immediate_use_iterator_d.
5084 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5085 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5086 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5087 * tree-cfg.c (replace_uses_by): Use new iterator.
5088 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5089 * tree-ssa-operands.c (correct_use_link): Remove.
5090 (finalize_ssa_use_ops): No longer call correct_use_link.
5092 2006-04-27 Stuart Hastings <stuart@apple.com>
5094 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5095 * config/t-darwin (crt3.o): Use it.
5096 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5097 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5098 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5099 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5100 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5103 2006-04-27 Roger Sayle <roger@eyesopen.com>
5105 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5106 size, force the intermediate into a new pseudo rather instead of
5107 performing both a bitwise AND and a bitwise IOR in memory.
5109 2006-04-27 Richard Guenther <rguenther@suse.de>
5111 PR rtl-optimization/26685
5112 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5113 this one "max-flow-memory-locations".
5115 2006-04-27 Richard Guenther <rguenther@suse.de>
5117 PR tree-optimization/25148
5118 * tree-vrp.c (compare_values): Remove code dealing with
5119 comparisons against type min/max value. Honour overflow
5120 and negative constants in code dealing with comparisons
5121 of plus and minus expressions.
5122 (value_inside_range): Use fold_binary with LE_EXPR and
5123 GE_EXPR rather than compare_values.
5125 2006-04-27 Dirk Mueller <dmueller@suse.de>
5127 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5130 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5132 * basic-block.h (safe_insert_insn_on_edge): Removed.
5133 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5135 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5136 Paolo Bonzini <bonzini@gnu.org>
5139 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5140 (simplify_and_const_int): Same.
5142 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5144 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5146 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5149 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5150 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5151 cgraph_global_info_ready.
5154 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5157 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5158 either decl or init is error_mark_node.
5161 * tree-flow.h (struct omp_region): Add sched_kind.
5162 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5163 instead of extracting omp for data.
5164 (expand_omp_for): Save extracted sched_kind.
5166 2006-04-25 Roger Sayle <roger@eyesopen.com>
5168 * expmed.c (store_bit_field): Also check whether the bitsize is
5169 valid for the machine's "insv" instruction before moving the
5170 target into a pseudo for use with the insv.
5171 * config/i386/predicates.md (const8_operand): New predicate.
5172 * config/i386/i386.md (extv, extzv, insv): Use the new
5173 const8_operand predicate where appropriate.
5175 2006-04-25 DJ Delorie <dj@redhat.com>
5177 * doc/install.texi (Specific): Clarify that this is not a list of
5178 supported hosts or targets.
5180 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5182 PR rtl-optimization/26725
5183 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5184 block's BB_DIRTY flag.
5186 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5188 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5191 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5192 to print an integer.
5194 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5196 * varasm.c (align_variable): New function.
5197 (get_block_for_decl): Apply align_variable to DECL before
5198 calculating section information.
5199 (assemble_variable): Split out alignment computation.
5201 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5203 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5206 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5208 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5209 MODE_PARTIAL_INT mode.
5210 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5211 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5213 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5214 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5216 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5218 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5220 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5221 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5222 MACFLAG_IH): Likewise.
5223 (movstricthi_1): Renamed from "*movstricthi".
5224 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5225 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5226 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5227 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5228 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5229 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5230 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5231 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5232 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5233 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5234 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5235 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5236 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5237 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5238 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5240 * doc/rtl.texi (ss_ashift): Improve wording.
5242 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5244 * dwarf2out.c (verify_marks_clear): New.
5245 (prune_unused_types): Call verify_marks_clear initially, not
5248 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5250 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5251 * doc/rtl.texi: Document them.
5252 * simplify-rtx.c (simplify_unary_operation,
5253 simplify_binary_operation_1): Don't abort when we see them.
5255 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5258 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5259 * configure.ac: Completely disregard languages that are not
5261 * configure: Regenerated.
5263 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5264 Richard Guenther <rguenther@suse.de>
5266 PR tree-optimization/27236
5267 * tree-inline.c (copy_body_r): Make sure to copy
5268 TREE_THIS_VOLATILE flag.
5270 2006-04-24 Richard Guenther <rguenther@suse.de>
5273 * tree-complex.c (update_parameter_components): Don't handle
5274 unused parameters which have no default def.
5276 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5277 Richard Guenther <rguenther@suse.de>
5279 PR tree-optimization/27218
5280 * tree-inline.c (expand_call_inline): Strip useless type
5281 conversions for the return slot address.
5283 2006-04-24 Richard Guenther <rguenther@suse.de>
5285 * cfgloop.h (struct loops): Remove unused field array. Reorder
5287 (LOOP_PREFETCH): Remove.
5289 2006-04-24 Richard Guenther <rguenther@suse.de>
5291 PR tree-optimization/22525
5292 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5293 variable, adjust types of generated expressions.
5295 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5297 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5298 (tree-vect-patterns.o): Likewise.
5300 (cselib.o): Likewise.
5301 (loop-doloop.o): Likewise.
5302 (regclass.o): Likewise.
5303 (reload1.o): Likewise.
5304 (explow.o): Replace target.h with $(TARGET_H).
5305 (ipa-prop.o): Likewise.
5306 (ipa-cp.o): Likewise.
5307 (ipa-inline.o): Likewise.
5308 (reorg.o): Likewise.
5309 (reg-stack.o): Likewise.
5311 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5313 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5315 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5317 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5319 * configure.ac: Completely disregard languages that are not
5321 * configure: Regenerated.
5324 * c-common.h (c_build_bitfield_integer_type): Declare.
5325 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5326 * c-common.c (c_build_bitfield_integer_type): ... here.
5328 2006-04-23 Roger Sayle <roger@eyesopen.com>
5331 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5332 a SImode SUBREG of a floating point register after no_new_pseudos.
5334 2006-04-23 Roger Sayle <roger@eyesopen.com>
5336 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5337 identify potentially eliminable registers to additionally catch
5338 VIRTUAL_INCOMING_ARGS_REGNUM.
5339 (addsi3): Update the conditions on when to use addsi_small_int.
5341 2006-04-23 Roger Sayle <roger@eyesopen.com>
5344 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5345 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5346 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5348 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5350 * fold-const.c (range_predecessor): Use operand_equal_p
5351 as the predicate for equality.
5352 (range_successor): Likewise.
5354 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5357 * config/soft-fp/op-common.h: Fix a typo.
5359 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5362 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5363 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5365 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5367 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5369 * doc/tm.texi: Fix a typo.
5371 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5373 * dwarf2out.c (struct die_struct): Document that die_sib makes
5374 a circular linked list.
5375 (FOR_EACH_CHILD): New.
5376 (reverse_die_lists): Delete.
5377 (reverse_all_dies): Delete.
5378 (add_dwarf_attr): Correct documentation.
5379 (remove_child_with_prev): New.
5380 (remove_child_TAG): Update for change to die_struct, use
5381 remove_child_with_prev.
5382 (add_child_die): Update for change to die_struct.
5383 (splice_child_die): Use remove_child_with_prev and add_child_die.
5384 (print_die): Use FOR_EACH_CHILD.
5385 (die_checksum): Likewise.
5386 (assign_symbol_names): Likewise.
5387 (output_location_lists): Likewise.
5388 (build_abbrev_table): Likewise.
5389 (calc_die_sizes): Likewise.
5390 (mark_dies): Likewise.
5391 (unmark_dies): Likewise.
5392 (unmark_all_dies): Likewise.
5393 (output_die): Likewise.
5394 (prune_unused_types_mark): Likewise.
5395 (prune_unused_types_walk): Likewise.
5396 (same_die_p): Update for change to die_struct.
5397 (break_out_includes): Likewise.
5398 (prune_unused_types_prune): Likewise.
5399 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5400 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5402 (dwarf2out_finish): Don't call reverse_all_dies.
5404 2006-04-21 Eric Christopher <echristo@apple.com>
5406 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5407 in comments and function names.
5409 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5412 * c-typeck.c (digest_init): Robustify.
5414 * c-typeck.c (pop_init_level): Simplify.
5416 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5418 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5420 2006-04-21 Paul Brook <paul@codesourcery.com>
5422 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5423 hardware floating point.
5425 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5427 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5430 2006-04-21 Nick Clifton <nickc@redhat.com>
5432 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5435 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5438 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5439 C++ lang type in traceback table for Objective-C++.
5441 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5443 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5445 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5447 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5450 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5451 were errors. Remove check for erroneous objects.
5453 2006-04-20 Jeff Law <law@redhat.com>
5455 PR tree-optimization/26854
5456 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5457 checking for zero or one use.
5458 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5459 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5460 * tree-ssa-reassoc.c (negate_value): Similarly.
5461 (reassociate_bb): Similarly.
5463 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5465 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5466 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5467 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5469 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5471 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5472 fp regs if the last fp arg doesn't fit in regs.
5474 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5477 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5478 that the last insn has the REG_INC note.
5480 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5481 Nathan Sidwell <nathan@codesourcery.com>
5484 * stor-layout.c (update_alignment_for_field): Do not align
5486 (place_union_field): Place union field at the start of the union.
5487 (place_field): Move ERROR_MARK check later, and use the current
5488 allocation position to maintain monotonicity.
5490 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5492 * dominance.c: Include timevar.h.
5493 (calculate_dominance_info): Use TV_DOMINANCE.
5494 * timevar.def (TV_DOMINANCE): New timevar.
5495 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5497 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5499 PR rtl-optimization/14261
5500 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5501 move would be an INSV insn.
5502 (noce_process_if_block): Don't optimize if the destination is a
5503 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5505 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5507 * config/s390/s390.md: Add comments with the instructions emitted
5508 by an insn pattern if macros are used.
5510 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5512 PR rtl-optimization/26026
5513 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5514 is a known power of two shifted left a variable amount.
5516 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5518 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5519 to hash table twice when the debug_str section has SECTION_MERGE.
5521 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5523 * config/soft-fp: New directory. From glibc.
5524 * config/soft-fp/t-softfp: New.
5525 * config/soft-fp/README: New.
5526 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5527 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5528 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5529 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5530 * config.gcc: Use rs6000/t-fprules-fpbit or
5531 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5533 * config/rs6000/sfp-machine.h: New. Based on glibc.
5534 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5536 * config/rs6000/t-fprules: Remove fp-bit rules.
5537 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5538 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5539 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5540 (softfp_wrap_start, softfp_wrap_end): New.
5542 2006-04-18 DJ Delorie <dj@redhat.com>
5544 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5546 2006-04-18 Devang Patel <dpatel@apple.com>
5548 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5550 2006-04-18 Nick Clifton <nickc@redhat.com>
5552 * config/sh/t-symbian: Add rule to build sh-c.o
5553 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5554 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5555 (sh_symbian_encode_section_info): Likewise.
5557 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5559 * builtins.c (expand_builtin_strcmp): Cover label definition of
5560 do_libcall with HAVE_cmpstrnsi.
5562 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5564 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5566 * function.h (temp_slot_p): New.
5567 (function): Change the type of x_used_temp_slots to
5568 VEC(temp_slot_p,gc) *.
5570 2006-04-18 Nick Clifton <nickc@redhat.com>
5572 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5573 flag_strength_reduce.
5575 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5577 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5581 Partial revert of revision 112637
5582 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5583 Dale Johannesen <dalej@apple.com>
5586 * regclass.c (struct reg_pref): Update documentation.
5587 (regclass): Set prefclass to NO_REGS if memory is the best option.
5588 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5590 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5592 PR tree-optimization/26821
5593 * tree-ssa-math-opts.c (get_constant_one): New.
5594 (insert_reciprocals): Use it.
5596 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5598 * dwarf2out.c (free_AT): Delete.
5599 (remove_AT): Update string ref counts.
5600 (remove_child_TAG): Don't call free_die.
5602 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5603 or DW_TAG_GNU_EINCL.
5604 (prune_unused_types_walk_attribs): Reset string refcounts.
5605 (prune_unused_types_update_strings): New.
5606 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5607 call free_die. Do call prune_unused_types_update_strings.
5608 (prune_unused_types): Empty debug_str_hash.
5610 2006-04-17 Roger Sayle <roger@eyesopen.com>
5612 * expr.c (expand_assignment): Optimize away no-op moves where the
5613 source and destination are equal and have no side-effects.
5615 2006-04-17 Richard Guenther <rguenther@suse.de>
5618 * reload.c (push_reload): Guard calls to get_secondary_mem
5621 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5623 * alias.c (reg_base_value, old_reg_base_value): Change the
5624 type to VEC(rtx,gc) *.
5625 (REG_BASE_VALUE, find_base_value, record_set,
5626 init_alias_analysis): Use VEC instead of VARRAY.
5628 * alias.c (alias_sets): Change the type to
5629 VEC(alias_set_entry,gc) *.
5630 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5631 VEC instead of VARRAY.
5632 (last_alias_set): Remove.
5634 * cgraph.h (cgraph_edge_p): New.
5635 Update the prototype of cgraph_function_versioning.
5636 * cgraphunit.c (cgraph_copy_node_for_versioning,
5637 cgraph_function_versioning): Use VEC instead of VARRAY.
5638 * ipa-cp.c (ipcp_insert_stage): Likewise.
5640 2006-04-16 Roger Sayle <roger@eyesopen.com>
5643 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5644 "A op B" or "A op C", we may need to convert A to the type of B and C.
5646 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5648 * target.h (struct gcc_target): Add mode_rep_extended.
5649 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5650 (init_num_sign_bit_copies_in_rep): Initialize it using
5652 (truncate_to_mode): Use it.
5653 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5654 * targhooks.h (default_mode_rep_extended): Declare it.
5655 * targhooks.c (default_mode_rep_extended): Define it.
5656 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5657 default_mode_rep_extended.
5658 (TARGET_INITIALIZER): Include it.
5659 * doc/tm.texi (Misc): Document it.
5660 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5661 (mips_truncated_to_mode): New function.
5663 2006-04-16 Roger Sayle <roger@eyesopen.com>
5666 * expr.c (compress_float_constant): Copy the narrow constant into
5667 a new pseudo before extending it to its final width.
5669 2006-04-16 Roger Sayle <roger@eyesopen.com>
5670 Andrew Pinski <pinskia@gcc.gnu.org>
5671 Dale Johannesen <dalej@apple.com>
5674 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5675 special case code to implement V8HImode and V16QImode with SSE2.
5677 2006-04-15 Roger Sayle <roger@eyesopen.com>
5679 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5680 trees are constructed with a suitable tree type.
5682 2006-04-15 Roger Sayle <roger@eyesopen.com>
5684 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5685 (integer_onep): Likewise.
5686 (integer_all_onesp): Likewise.
5687 (integer_pow2p): Likewise.
5688 (integer_nonzerop): Likewise.
5689 (real_zerop): Likewise.
5690 (real_onep): Likewise.
5691 (real_twop): Likewise.
5692 (real_minus_onep): Likewise.
5693 (int_size_in_bytes): Likewise.
5694 (host_integerp): Likewise.
5696 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5698 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5699 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5700 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5702 * tree-ssa-structalias.h (alias_info): Remove num_references.
5704 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5706 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5707 (output_bvb patterns): Likewise.
5708 * pa.c (output_bb): Use 'bb' insn for long branch case.
5709 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5710 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5711 1. Correct length operand for alternatives 1 and 2.
5712 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5713 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5715 2006-04-14 Roger Sayle <roger@eyesopen.com>
5717 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5718 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5719 were accidentally reverted by r112959.
5721 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5724 * except.h (eh_region_outermost): New prototype.
5725 * except.c (eh_region_outermost): New function.
5726 * tree-cfg.c (find_outermost_region_in_block): Use it.
5728 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5730 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5732 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5733 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5734 (init_reload, reload): Use VEC instead of VARRAY.
5735 * reload.h: Update the prototype for
5736 reg_equiv_memory_loc_varray.
5738 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5739 Eric Botcazou <ebotcazou@libertysurf.fr>
5741 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5744 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5747 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5748 to expand fallback builtin function call.
5750 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5753 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5754 and emit libcall here in case the builtin fails.
5755 (expand_builtin_strcmp): Always emit the libcall here on failure.
5757 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5759 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5760 * flow.c (reg_n_info): Change the type to
5761 VEC(reg_info_p,heap) *.
5762 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5764 * regs.h (reg_info_p): New.
5765 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5766 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5767 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5770 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5772 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5774 * params.h (MAX_SCHED_READY_INSNS): New macro.
5775 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5776 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5777 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5778 the ready list for 1 cycle during the first scheduling pass.
5779 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5781 2006-04-13 Richard Henderson <rth@redhat.com>
5784 * gimple-low.c (lower_omp_directive): Remove dead code.
5785 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5786 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5787 * omp-low.c (struct omp_region): Move to tree-flow.h.
5788 (root_omp_region): Export.
5789 (omp_regions, lookup_omp_region): Remove.
5790 (determine_parallel_type): Update for struct omp_region changes.
5791 (dump_omp_region): Dump regions with block numbers.
5792 (new_omp_region): Take type and block instead of stmt; malloc
5794 (free_omp_region_1, free_omp_regions): New.
5795 (expand_parallel_call): Take entry_stmt as argument; update for
5796 changes to omp_region.
5797 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5798 (remove_exit_barriers): New.
5799 (expand_omp_parallel): Update for struct omp_region changes.
5800 (expand_omp_synch): Likewise.
5801 (expand_omp): Likewise.
5802 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5803 (expand_omp_for_static_chunk): Likewise.
5804 (expand_omp_for): Likewise.
5805 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5806 (expand_omp_sections): Similarly, with GOMP_sections_end.
5807 (expand_omp_single): New.
5808 (build_omp_regions_1): Update for OMP_CONTINUE.
5809 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5810 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5811 OMP_SECTIONS_SECTIONS.
5812 (lower_omp_single_simple): Don't emit barrier here.
5813 (lower_omp_single_copy): Likewise.
5814 (lower_omp_single): Fix bindings, and lower to straightline now.
5815 (lower_omp_master, lower_omp_ordered): Likewise.
5816 (lower_omp_critical): Likewise.
5817 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5818 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5819 omp edges, free it afterward.
5820 (make_omp_sections_edges): Remove.
5821 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5822 (move_stmt_r): Handle OMP_CONTINUE.
5823 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5824 statement pointers to basic blocks. Add type member.
5825 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5826 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5827 * tree-inline.c (estimate_num_insns_1): Likewise.
5828 * tree-pretty-print.c (dump_generic_node): Likewise.
5829 * tree-ssa-operands.c (get_expr_operands): Likewise.
5830 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5831 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5832 (OMP_CONTINUE): New.
5833 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5834 (OMP_SECTIONS_SECTIONS): Remove.
5835 (OMP_SECTION_LAST): New.
5836 (OMP_RETURN_NOWAIT): New.
5838 2006-04-13 Roger Sayle <roger@eyesopen.com>
5840 * fold-const.c (native_encode_vector, native_interpret_real):
5841 Correct obvious mistakes in the previous check-in.
5843 2006-04-13 Roger Sayle <roger@eyesopen.com>
5845 * fold-const.c (native_encode_expr): New function to encode
5846 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5847 or VECTOR_CST into a specified buffer.
5848 (native_encode_int): New function.
5849 (native_encode_real): New function.
5850 (native_encode_complex): New function.
5851 (native_encode_vector): New function.
5852 (native_interpret_expr): Inverse of native_encode_expr to convert
5853 a target representation into an INTEGER_CST, REAL_CST etc...
5854 (native_interpret_int): New function.
5855 (native_interpret_real): New function.
5856 (native_interpret_complex): New function.
5857 (native_interpret_vector): New function.
5858 (fold_view_convert_expr): New function to constant fold/evaluate
5859 a VIEW_CONVERT_EXPR of a suitable constant expression.
5860 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5861 Change call of build1 to fold_build1 when constructing a
5864 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5865 Ulrich Weigand <uweigand@de.ibm.com>
5868 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5871 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5874 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5875 optimize to lo_sum for DFmode if !TARGET_FPRS.
5877 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5879 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5880 delete_alias_info, compute_flow_sensitive_aliasing,
5881 group_aliases): Use VEC instead of VARRAY.
5882 * tree-ssa-structalias.c (update_alias_info): Likewise.
5883 * tree-ssa-structalias.h (alias_info): Change the type of
5884 processed_ptrs to VEC(tree,heap) *.
5886 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5889 * config/sh/lib1funcs.h: New file, broken out of:
5890 * config/sh/lib1funcs.asm.
5891 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5893 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5894 * config/sh/lib1funcs-Os-4-200.asm: New file.
5895 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5896 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5897 (EXTRA_MULTILIB_PARTS): Include it.
5898 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5899 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5900 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5901 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5904 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5906 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5907 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5908 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5910 * tree-ssa-live.h: Include vecprim.h.
5911 (tree_partition_associator_d): Change the type of
5912 first_partition to VEC(int,heap) *.
5913 (tpa_first_partition): Use VEC instead of VARRAY.
5915 * Makefile.in (GTFILES): Move functions.h after tree.h.
5916 * function.c (reset_block_changes, record_block_change,
5917 check_block_change, free_block_changes): Use VEC instead of
5919 * function.h (function): Change the type of
5920 ib_boundaries_block to VEC(tree,gc) *.
5921 * tree-inline.c (copy_cfg_body): Initialize
5922 ib_boundaries_block to NULL instead of (varray_type) 0.
5924 2006-04-12 Roger Sayle <roger@eyesopen.com>
5926 * expr.c (emit_group_store): Correct operand order in call to
5927 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5928 a SUBREG_BYTE of zero.
5930 2006-04-12 Richard Guenther <rguenther@suse.de>
5932 * profile.c (compute_branch_probabilities): Remove code
5933 encapsulated in !ir_type (), which are remanents of the
5934 removed RTL profiling code.
5935 * rtl-profile.c: Remove.
5937 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5939 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5940 magic NULL_RTX comment.
5941 (function_arg): Store entire fp arg to mem if any part should go
5943 (rs6000_arg_partial_bytes): Adjust for above change.
5945 2006-04-11 Roger Sayle <roger@eyesopen.com>
5947 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5948 if it hasn't been initialized by dwarf2out_init.
5950 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5952 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5953 symbolic constants in branch patterns.
5955 2006-04-11 Roger Sayle <roger@eyesopen.com>
5957 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5959 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5961 PR rtl-optimization/27073
5962 * gcse.c (try_replace_reg): Revert last change. Continue to search
5963 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5966 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5968 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5969 aggregate types other than record and union types.
5970 (function_arg): Likewise.
5971 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5973 (function_value): In 64-bit mode, return objects that require it
5976 2006-04-11 Roger Sayle <roger@eyesopen.com>
5978 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5980 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5982 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5984 2006-04-03 Jeff Law <law@redhat.com>
5987 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5988 alias information too.
5990 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5992 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5994 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5997 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5998 (premark_used_types_helper): New.
5999 (premark_used_types): New.
6000 (gen_subprogram_die): Call premark_used_types.
6001 (prune_unused_types_walk): Do not prune perennial dies.
6002 * function.c (used_types_insert): New.
6003 * function.h (struct function): Add used_types_hash field.
6004 (used_types_insert): Add prototype.
6005 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6006 * c-parser.c (c_parser_cast_expression): Save casted types in used
6009 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6012 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6013 rs6000_explicit_options.float_gprs.
6015 2006-04-10 Roger Sayle <roger@eyesopen.com>
6017 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6018 from ix86_expand_vector_init_low_nonzero. Take an additional
6019 one_var argument indicating which element is non-zero. Support
6020 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6021 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6022 with one_var instead of ix86_expand_vector_init_low_nonzero.
6024 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6026 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6027 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6028 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6029 build/genextract.o): Depend on vecprim.h.
6030 * cfglayout.c, df-problems.c, function.c, genextract.c,
6031 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6032 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6036 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6038 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6039 Declare VECs of this type.
6040 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6041 (remove_children): Delete.
6042 (add_dwarf_attr): Use VEC routines.
6043 (add_AT_flag): Update for changes to add_dwarf_attr.
6044 (add_AT_int): Likewise.
6045 (add_AT_unsigned): Likewise.
6046 (add_AT_long_long): Likewise.
6047 (add_AT_vec): Likewise.
6048 (add_AT_string): Likewise.
6049 (add_AT_die_ref): Likewise.
6050 (add_AT_fde_ref): Likewise.
6051 (add_AT_loc): Likewise.
6052 (add_AT_loc_list): Likewise.
6053 (add_AT_addr): Likewise.
6054 (add_AT_lbl_id): Likewise.
6055 (add_AT_lineptr): Likewise.
6056 (add_AT_macptr): Likewise.
6057 (add_AT_offset): Likewise.
6058 (add_AT_range_list): Likewise.
6059 (get_AT): Use VEC_iterate.
6060 (remove_AT): Use VEC_ordered_remove.
6061 (free_die): Fold remove_children into here; have it use VEC_iterate.
6062 (print_die): Use VEC_iterate on attrs.
6063 (reverse_die_lists): Don't reverse attr lists.
6064 (die_checksum): Use VEC_iterate on attrs.
6065 (same_die_p): Likewise.
6066 (output_location_lists): Likewise.
6067 (build_abbrev_table): Likewise.
6068 (size_of_die): Likewise.
6069 (unmark_all_dies): Likewise.
6070 (output_abbrev_section): Likewise.
6071 (output_die): Likewise.
6072 (prune_unused_types_walk_attribs): Likewise.
6074 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6076 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6078 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6081 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6083 2006-04-09 Roger Sayle <roger@eyesopen.com>
6085 * expr.c (store_constructor): Don't bother clearing target if
6086 we're about to assign a vector to it using vec_init_optab.
6088 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6090 * tree-ssa-alias.c (lhs_may_store_to): New function.
6091 (recalculate_used_alone): Handle LHS of calls.
6093 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6097 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6098 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6099 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6100 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6101 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6102 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6103 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6104 stubs. Add ".align 8" directives before all ".dword" directives.
6105 (GTHREAD_USE_WEAK): Revise comment.
6106 (TARGET_ATTRIBUTE_WEAK): Define.
6107 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6108 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6109 * stublib.c: New file.
6114 * pa.md (cbranch patterns): Revise arguments used in calls to
6115 output_cbranch, output_bb and output_bvd. Add long branch length
6117 (fbranch patterns): Handle long branches.
6118 (jump): Revise length check. Revise arguments for output_lbranch call.
6119 Add long branch length attributes.
6120 (decrement_and_branch_until_zero): Add long branch length attributes.
6121 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6122 Likewise. Revise arguments for output_parallel_addb and
6123 output_parallel_movb calls.
6124 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6125 output_parallel_movb and output_parallel_addb): Update prototypes.
6126 * pa.c (output_cbranch): Revise arguments. Correct handling of
6127 nullification in long branches.
6128 (output_lbranch): Add new argument to control extraction of delay
6130 (output_bb): Handle long branches.
6131 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6132 output_parallel_addb): Likewise.
6134 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6136 PR rtl-optimization/27073
6137 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6140 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6142 * tree.h (tree_memory_tag): Add old_used_alone.
6143 (SMT_OLD_USED_ALONE): New macro.
6144 * tree-ssa-alias.c (recalculate_used_alone): Stop
6145 marking things for renaming unnecessarily.
6147 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6149 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6150 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6151 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6152 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6153 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6154 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6155 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6156 spelling convensions.
6157 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6158 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6159 typos. Follow spelling conventions.
6161 2006-04-07 DJ Delorie <dj@redhat.com>
6163 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6164 passed on the stack.
6165 (m32c_init_cumulative_args): When a function returns a structure,
6166 always pass the pointer to that return area on the stack.
6167 (m32c_function_arg_advance): Don't increment the parameter number
6168 if we're processing the returned structure pointer.
6169 (pushm_info): Reverse order of registers.
6171 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6173 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6174 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6175 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6176 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6178 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6179 chrec_fold_multiply): Same.
6180 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6181 force_expr_to_var_cost): Same.
6182 * tree-mudflap.c (mf_xform_derefs_1): Same.
6183 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6185 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6187 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6188 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6191 2006-04-07 Jan Hubicka <jh@suse.cz>
6193 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6195 2006-04-07 Richard Guenther <rguenther@suse.de>
6197 PR tree-optimization/26135
6198 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6199 loads for store copy-prop.
6200 (copy_prop_visit_stmt): Likewise.
6202 2006-04-05 Robert Millan <robertmh@gnu.org>
6204 * config/i386/linux.h: Add a comment to mark macros that are
6205 being overriden in config/k*bsd-gnu.h.
6206 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6208 * config/knetbsd-gnu.h: Ditto.
6210 2006-04-06 Jan Hubicka <jh@suse.cz>
6214 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6217 2006-04-06 Mike Stump <mrs@apple.com>
6219 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6220 for HAVE_nonlocal_goto to be consistent.
6221 (expand_builtin_nonlocal_goto): Likewise.
6222 (expand_builtin_strcmp): Use #ifdef instead of #if
6223 for HAVE_cmpstrnsi to be consistent.
6225 2006-04-05 DJ Delorie <dj@redhat.com>
6227 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6230 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6232 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6233 got-relative addressing for anything but SImode.
6235 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6236 even if the calling function doesn't modify them.
6238 2006-04-05 Richard Guenther <rguenther@suse.de>
6240 PR tree-optimization/26919
6241 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6242 to cgraph_estimate_size_after_inlining.
6244 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6246 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6248 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6250 PR tree-optimization/26996
6251 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6252 VECTOR_TYPE variables.
6254 2006-04-05 Richard Guenther <rguenther@suse.de>
6256 PR tree-optimization/26763
6257 * fold-const.c (fold_comparison): Move folding of
6258 PTR + CST CMP PTR + CST ...
6259 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6261 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6263 * doc/install.texi (Prerequisites): Refine some wording on
6264 bootstrapping and ksh.
6265 Move the version numbers of DejaGnu here from the testing section
6266 and fix casing of names.
6267 Fix markup and clarify wording for autogen requirements.
6268 Refer to GCJ instead of just java.
6269 Refer to SVN instead of CVS.
6270 Describe diffutils as useful instead of necessary.
6271 (Downloading the source): Refer to SVN instead of CVS.
6272 Adjust a link to our web site accordingly.
6273 (Configuration): Fix casing of Bison.
6274 (Building): Refer to SVN instead of CVS.
6275 Fix a sentence on the use of Bison and remove duplicate (and
6276 incorrect) version number of Bison requirement.
6277 Remove one redundant list of packages needed for building.
6278 (Specific): Avoid reference to CVS.
6280 2006-04-04 Eric Christopher <echristo@apple.com>
6282 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6283 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6284 (rs6000_handle_struct_attribute): New.
6285 (rs6000_ms_bitfield_layout_p): Ditto.
6287 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6289 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6290 NULL for dso parameter to atexit_common.
6292 2006-04-04 Eric Christopher <echristo@apple.com>
6294 * config/i386/i386.c (machopic_output_stub): Output \t
6295 between instructions and operands.
6297 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6299 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6300 satisfies_constraint_[IL] to explicit tests on value.
6302 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6304 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6305 set_nb_iterations_in_loop): Use build_int_cst instead of
6307 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6308 build_int_cst instead of convert.
6310 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6312 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6313 new value 2 for incoming.
6314 * function.c (expand_function_start): Call struct_value_rtx
6316 * config/sparc/sparc.md: Comment updated_return.
6317 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6318 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6319 struct return if sparc_std_struct_return and incoming is 2.
6320 (print_operand): Do not adjust return if
6321 sparc_std_struct_return.
6323 2006-04-04 Roger Sayle <roger@eyesopen.com>
6325 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6326 convert in the middle-end.
6327 * expr.c (store_expr, store_constructor, get_inner_reference,
6328 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6330 * tree.c (build_range_type): Likewise.
6332 2006-04-04 Tom Tromey <tromey@redhat.com>
6334 * doc/install.texi (Prerequisites): Mention jar.
6336 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6338 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6341 2006-04-04 Matthias Klose <doko@debian.org>
6343 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6344 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6347 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6349 * doc/extend.texi (Function Attributes): Rewrite visibility
6350 attribute documentation.
6351 * doc/invoke.texi (C++ Dialect Options): Rewrite
6352 -fvisibility-inlines-hidden documentation to describe something
6353 entirely different, although in practise compatible.
6354 (Code Gen Options): Warn about system headers in -fvisibility=
6357 * doc/extend.texi (Other Builtins): Document that
6358 __builtin_nan is a compile-time constant only when its argument
6361 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6363 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6364 trying to remove TRUNCATE check if all bits outside the new mode
6365 are identical to the sign bit.
6367 2006-04-03 Jeff Law <law@redhat.com>
6369 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6370 and operand scanning in some common cases.
6372 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6373 Dale Johannesen <dalej@apple.com>
6376 * regclass.c (struct reg_pref): Update documentation.
6377 (regclass): Set prefclass to NO_REGS if memory is the best option.
6378 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6379 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6380 into account. For non-registers, equate an empty preferred
6381 reload class to a `!' in the constraint; move the if clause to
6382 do so after those that reject the insn.
6383 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6385 (find_dummy_reload): Likewise.
6386 * doc/tm.texi (Register Classes): Document what it means
6387 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6388 * config/i386/i386.c (ix86_preferred_reload_class): Force
6389 using SSE registers (and return NO_REGS for floating-point
6390 constants) if math is done with SSE.
6391 (ix86_preferred_output_reload_class): New.
6392 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6393 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6394 * config/i386/i386.md: Remove # register preferences.
6396 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6399 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6400 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6401 the type of nb_iter.
6402 (instantiate_parameters_1): Convert the operands before calling
6403 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6404 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6406 2006-04-02 Roger Sayle <roger@eyesopen.com>
6408 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6409 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6411 * dojump.c (do_jump): Likewise.
6412 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6413 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6414 gimplify_boolean_expr): Likewise.
6415 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6416 * varasm.c (array_size_for_constructor): Likewise.
6417 * tree-object-size.c (compute_object_offset): Likewise.
6419 2006-04-02 Roger Sayle <roger@eyesopen.com>
6422 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6423 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6425 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6427 PR tree-optimization/26939
6428 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6430 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6432 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6433 at_stmt. Convert the type of operands before calling
6434 build_polynomial_chrec.
6435 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6437 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6438 (instantiate_parameters_1): Convert the type of operands before calling
6439 build_polynomial_chrec.
6440 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6441 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6442 reset_evolution_in_loop): Insert asserts to check the types of the
6444 (chrec_type): Moved...
6445 (eq_evolutions_p): Use operand_equal_p.
6446 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6447 the types of the operands.
6448 (chrec_type): ...here.
6449 * tree-data-ref.c (create_data_ref): Convert the operands before
6450 calling chrec_replace_initial_condition.
6451 (same_access_functions, analyze_subscript_affine_affine,
6452 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6453 (compute_subscript_distance, analyze_ziv_subscript,
6454 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6455 analyze_miv_subscript): Convert the operands before calling
6456 chrec_fold_minus or chrec_fold_plus.
6458 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6460 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6461 the dependence_relations vector.
6462 (compute_data_dependences_for_loop): Adjust call to
6463 compute_all_dependences.
6465 2006-04-01 Roger Sayle <roger@eyesopen.com>
6466 Richard Henderson <rth@redhat.com>
6468 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6469 gimple_boolify on the condition before calling gimplify_expr.
6471 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6473 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6474 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6475 the frame size. Update to use the new macros.
6476 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6477 * config/xtensa/ieee754-df.S: Likewise.
6479 2006-03-31 Richard Henderson <rth@redhat.com>
6481 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6482 (make_edges): ... here. Control fallthru creation with a local
6483 variable. Do not play with fake edges.
6484 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6485 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6488 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6490 * dwarf2.h (DW64_CIE_ID): Define.
6491 * dwarf2out.c (DWARF_CIE_ID): Define.
6492 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6493 length header. Use DWARF_CIE_ID.
6494 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6495 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6497 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6499 * config/sh/linux-atomic.asm: New file.
6500 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6502 2006-03-31 DJ Delorie <dj@redhat.com>
6504 * config/m32c/cond.md: Set condition flags properly throughout.
6505 * config/m32c/minmax.md: Likewise.
6506 * config/m32c/prologue.md: Likewise.
6507 * config/m32c/bitops.md: Likewise.
6508 * config/m32c/muldiv.md: Likewise.
6509 * config/m32c/mov.md: Likewise.
6510 * config/m32c/addsub.md: Likewise.
6511 * config/m32c/m32c.md: Likewise.
6512 * config/m32c/jump.md: Likewise.
6513 * config/m32c/shift.md: Likewise.
6515 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6516 conditionally output the pattern for this.
6517 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6518 (m32c_compare_redundant): New.
6519 (m32c_output_compare): New.
6520 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6522 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6523 dest, not src. Allow other 4-byte modes.
6525 2006-03-30 Denis Chertykov <denisc@overta.ru>
6527 * doc/md.texi: Refer to avr/constraints.md instead of
6530 2006-03-30 Roger Sayle <roger@eyesopen.com>
6532 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6533 signed vs. unsigned comparison failures on some hosts.
6535 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6538 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6539 change to FLOAT_REGS.
6541 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6542 (rs6000_override_options): Use it.
6543 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6544 only for -mabi=spe/no-spe and -mabi=altivec.
6546 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6548 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6551 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6553 * Makefile.in: Rename docdir to gcc_docdir.
6555 2006-03-30 Roger Sayle <roger@eyesopen.com>
6558 * expr.c (emit_group_store): Optimize group stores into a pseudo
6559 register by using a paradoxical subreg to initialize the destination
6560 if the first or last member of the group specifies a "low part".
6562 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6565 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6566 * target.h (struct gcc_target.speculate_insn): Change type of the
6567 second parameter to 'int'.
6568 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6569 the second operand of the DEPS_LIST.
6570 (copy_DEPS_LIST_list): Update reference to the second operand of the
6572 * rtl.h (alloc_DEPS_LIST): Update signature.
6573 * sched-int.h (ds_t): Change typedef to 'int'.
6574 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6576 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6578 * haifa-sched.c (try_ready): Change condition to restore
6579 non-speculative pattern of the instruction.
6580 (process_insn_depend_be_in_spec): Code to keep probability of the
6581 speculative dependence non-decreasing.
6583 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6585 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6586 (single_move_for_movmem): ... this. Also change all uses.
6587 (bfin_expand_strmov): Renamed to...
6588 (bfin_expand_movmem): ... this. Also change all uses.
6589 * config/bfin/bfin.md (movstrsi): Renamed to...
6590 (movstrsi): ...this.
6592 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6594 PR tree-optimization/26830
6596 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6597 (copy_prop_visit_stmt): Remove write-only variable ann.
6598 (init_copy_prop): Check variable loop depth here. Do not simulate
6599 memory-tag and virtual operand PHIs except for store copy prop.
6601 2006-03-30 Richard Guenther <rguenther@suse.de>
6603 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6604 variants with double arguments.
6606 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6608 * genpreds.c (write_tm_constrs_h): Delete variable p.
6609 * genconditions.c (write_header): Add tm-constrs.h to included
6611 * genpeep.c (main): Add toplev.h to included headers.
6612 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6613 (build/genpeep.o): Add toplev.h dependency.
6614 * config/rs6000/constraints.md: Add "W" constraint.
6616 2006-03-29 Roger Sayle <roger@eyesopen.com>
6618 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6619 sizes by correctly testing whether the size fits a host integer.
6620 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6621 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6622 SImode range for the default sizetype and bitsizetype.
6624 2006-03-29 Roger Sayle <roger@eyesopen.com>
6626 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6627 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6628 quickly if the argument is already of the correct type.
6629 Call fold_build1 instead of build1. Tidy up blank lines.
6631 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6633 * genemit.c (main): Add tm-constrs.h to included headers.
6634 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6635 * genpeep.c (main): Add tm-constrs.h to included headers.
6636 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6637 (write_tm_constrs_h): this and write complete file.
6638 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6639 (write_insn_preds_c): Add tm-constrs.h to included headers.
6640 (gen_constrs): New variable.
6641 (parse_option): Parse "-c".
6642 (main): Invoke write_tm_constrs_h.
6643 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6644 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6645 (object_out_file): Add tm-constrs.h dependency.
6646 (insn-emit.o): Same.
6647 (insn-output.o): Same.
6648 (insn-peep.o): Same.
6649 (insn-preds.o): Same.
6650 (insn-recog.o): Same.
6651 (tm-constsr.h): New target.
6652 (s-constrs-h): New target.
6654 * config/rs6000/constraints.md: New file.
6655 * config/rs6000/rs6000.c: Include tm-constrs.h.
6656 (num_insn_constant_wide): Convert to satisfies_constraint.
6657 (rs6000_rtx_costs): Convert to satisfies_constraint.
6658 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6659 (CONST_OK_FOR_LETTER_P): Delete.
6660 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6661 (EXTRA_CONSTRAINT): Delete.
6662 (EXTRA_MEMORY_CONSTRAINT): Delete.
6663 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6664 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6665 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6666 satisfies_constraint.
6668 * config/i386/i386.c: Include tm-constrs.h.
6670 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6672 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6673 * tree-data-ref.c (find_data_references_in_loop,
6674 compute_data_dependences_for_loop): Use pointers to VEC.
6675 (analyze_all_data_dependences): Adjust calls.
6676 * tree-data-ref.h (find_data_references_in_loop,
6677 compute_data_dependences_for_loop): Adjust declarations.
6678 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6679 compute_data_dependences_for_loop.
6681 2006-03-29 Paul Brook <paul@codesourcery.com>
6683 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6686 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6688 PR tree-optimization/26859
6689 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6691 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6692 for the step after fold_convert.
6694 2006-03-29 Paul Brook <paul@codesourcery.com>
6696 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6697 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6699 2006-03-29 Paul Brook <paul@codesourcery.com>
6702 * targhooks.c (default_narrow_bitfield): New fuction.
6703 * targhooks.h (default_narrow_bitfield): add prototype.
6704 * target.h (gcc_target): Add narrow_volatile_bitfield.
6705 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6706 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6707 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6708 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6710 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6712 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6714 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6715 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6716 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6717 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6718 (s390_function_arg_float): Allow SDmode and DDmode values to be
6719 passed in floating point registers.
6720 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6721 check with SCALAR_FLOAT_MODE_P.
6722 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6724 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6726 PR tree-optimization/25985
6727 * tree-ssa-loop-niter.c (number_of_iterations_le,
6728 number_of_iterations_ne): Make comments more precise.
6729 (number_of_iterations_cond): Add only_exit argument. Use the
6730 fact that signed variables do not overflow only when only_exit
6732 (loop_only_exit_p): New.
6733 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6734 number_of_iterations_cond.
6736 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6738 PR tree-optimization/26643
6739 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6742 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6744 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6745 (divsi3_i4_int): Likewise.
6747 2006-03-28 Roger Sayle <roger@eyesopen.com>
6749 * expr.c (emit_group_store): Only create a new pseudo reg if the
6750 quantity it needs to hold isn't already a suitable pseudo.
6752 2006-03-28 Jeff Law <law@redhat.com>
6754 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6755 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6757 2006-03-28 Roger Sayle <roger@eyesopen.com>
6759 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6760 the equivalent ~X & Y, and the symmetry related transformations.
6761 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6762 ~X & Y, and symmetry related transforms.
6764 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6766 Revert my 2006-03-27 patches.
6768 2006-03-28 Roger Sayle <roger@eyesopen.com>
6770 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6771 ~(T1)X, when T1 and T2 are integer types of the same precision
6772 and (T2)X isn't an extension.
6774 2006-03-28 Jeff Law <law@redhat.com>
6776 PR tree-optimization/26796
6777 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6778 need EH edge cleanups rather than purging them immediately.
6779 (eliminate_degenerate_phis): Handle queued EH cleanups.
6781 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6783 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6786 2006-03-27 Roger Sayle <roger@eyesopen.com>
6789 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6790 cast BIT_NOT_EXPR operand to the correct type.
6792 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6794 * tree-loop-linear.c: Don't include varray.h.
6795 (gather_interchange_stats, try_interchange_loops,
6796 linear_transform_loops): Use VEC instead of VARRAY.
6797 * lambda-mat.c: Don't include varray.h.
6798 * tree-chrec.c: Same.
6799 * lambda-trans.c: Same.
6800 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6801 VEC instead of VARRAY.
6802 * tree-vectorizer.h: Idem.
6803 * tree-data-ref.c (dump_data_references,
6804 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6805 initialize_data_dependence_relation, finalize_ddr_dependent,
6806 compute_all_dependences, find_data_references_in_loop,
6807 compute_data_dependences_for_loop, analyze_all_data_dependences,
6808 free_dependence_relation, free_dependence_relations,
6809 free_data_refs): Idem.
6810 * tree-data-ref.h (data_reference_p, subscript_p): New.
6811 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6812 VEC instead of VARRAY.
6813 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6814 (find_data_references_in_loop, compute_data_dependences_for_loop,
6815 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6816 dump_data_dependence_relations, free_dependence_relations,
6817 free_data_refs): Adjust declaration.
6818 (lambda_transform_legal_p): Move declaration here...
6819 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6820 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6821 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6822 vect_analyze_data_refs): Use VEC instead of VARRAY.
6823 * lambda.h (lambda_transform_legal_p): ...from here.
6824 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6825 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6826 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6827 tree-chrec.o): Don't depend on VARRAY_H.
6829 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6831 * rtl.def (Copyright): Update date.
6832 (DEPS_LIST): Change type of the second operand to 'int'.
6833 * target.h (Copyright): Update date.
6834 (struct gcc_target.speculate_insn): Change type of the second parameter
6836 * lists.c (Copyright): Update date.
6837 (alloc_DEPS_LIST): Change signature. Update reference to the second
6838 operand of the DEPS_LIST.
6839 (copy_DEPS_LIST_list): Update reference to the second operand of the
6841 * rtl.h (Copyright): Update date.
6842 (alloc_DEPS_LIST): Update signature.
6843 * sched-int.h (Copyright): Update date.
6844 (ds_t): Change typedef to 'int'.
6845 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6847 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6849 * haifa-sched.c (Copyright): Update date.
6850 (try_ready): Change condition to restore non-speculative pattern
6852 (process_insn_depend_be_in_spec): Code to keep probability of the
6853 speculative dependence non-decreasing.
6855 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6857 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6858 shut up the compiler.
6860 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6862 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6863 to use lib prefix for target.
6864 ($(T)libic_invalidate_array_4-200.a): Likewise.
6865 ($(T)libic_invalidate_array_4a.a): Likewise.
6867 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6868 J"orn Rennecke <joern.rennecke@st.com>
6870 * superh.opt: New file.
6871 * sh.c (boardtype, osruntime): Remove.
6872 * superh.h (SUBTARGET_OPTIONS): Remove.
6873 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6875 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6876 arguments with ^ and/or [].
6878 * config.gcc (sh-*-*): Add quoting to account for quirk of
6880 Replace == with = in enable_incomplete_targets test.
6882 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6883 with MASK_LITTLE_ENDIAN.
6885 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6886 * config/sh/sh.opt: Added to some comments.
6887 * config/sh/superh.h: Removed some chaff.
6889 * config/sh/sh.opt: Add m4-[1234]00* options.
6890 * config/sh/sh.c (sh_handle_option): Likewise.
6891 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6892 (ic_invalidate_array_4-100.o): New rule.
6893 ($(T)libic_invalidate_array_4-100.a): Likewise.
6894 (ic_invalidate_array_4-200.o): Likewise.
6895 ($(T)libic_invalidate_array_4-200.a): Likewise.
6896 (ic_invalidate_array_4a.o): Likewise.
6897 ($(T)libic_invalidate_array_4a.a): Likewise.
6898 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6899 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6901 * config/sh/crt1.asm: Merged in profiling code.
6902 * config/sh/superh.h (STARTFILE_SPEC): Override.
6903 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6904 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6905 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6907 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6908 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6909 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6911 * sh.opt (mpretend-cmove): New option.
6912 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6913 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6914 (movsicc): Add TARGET_PRETEND_CMOVE code.
6916 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6918 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6919 s390_class_max_nregs): New function prototypes.
6920 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6921 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6922 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6923 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6925 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6927 * dwarf2out.c (add_location_or_const_value_attribute): Call
6928 tree_add_const_value_attribute if nothing else works.
6929 (reference_to_unused): New.
6930 (rtl_for_decl_init): Use reference_to_unused to decide whether
6931 to output an initializer.
6933 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6936 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6937 peephole removing spe frob_di_df_2.
6939 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6941 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6942 (subscript_dependence_tester_1): Declared.
6943 (print_dir_vectors, print_dist_vectors): New.
6944 (debug_data_dependence_relation): New.
6945 (dump_data_dependence_relation): Print more details.
6946 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6947 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6948 (save_dist_v, save_dir_v, add_outer_distances,
6949 build_classic_dist_vector_1): New.
6950 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6951 Don't test for lambda_vector_lexico_pos.
6952 (same_access_functions, add_multivariate_self_dist,
6953 add_other_self_distances, dir_from_dist): New.
6954 (build_classic_dir_vector): Replace implementation almost identical to
6955 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6957 (subscript_dependence_tester_1): New.
6958 (subscript_dependence_tester): Handle the lexicographically negative
6959 distance vectors by recomputing the dependence relation.
6960 (compute_affine_dependence): Remove parameter loop_nest_depth.
6961 (compute_self_dependence): Don't call compute_subscript_distance.
6962 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6963 Add a parameter for the loop_nest.
6964 (find_loop_nest_1, find_loop_nest): New.
6965 (compute_data_dependences_for_loop): Compute the loop nest, and give
6966 up if the nest is not well formed.
6967 * tree-data-ref.h (loop_p): New.
6968 (struct data_dependence_relation): Replace size_vect field with
6969 loop_nest, a vec of loops.
6970 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6971 (DDR_LOOP_NEST): New.
6972 (print_dir_vectors, print_dist_vectors,
6973 debug_data_dependence_relation): Declared.
6974 (index_in_loop_nest): New.
6975 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6976 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6979 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6981 * simplify-rtx.c (simplify_relational_operation): Call
6982 simplify_relational_operation_1 even if mode is VOIDmode.
6984 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6986 PR tree-optimization/26804
6987 * tree.h (DECL_CALL_CLOBBERED): New macro.
6988 (tree_decl_common): Add call_clobbered_flag.
6989 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6990 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6991 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6992 (mark_non_addressable): Ditto.
6993 * tree-ssa.c (verify_call_clobbered): New function.
6994 (verify_alias_info): Use it.
6995 * tree-pass.h (pass_reset_cc_flags): New prototype.
6996 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6997 (reset_cc_flags): New function.
6998 * passes.c (init_optimization_passes): Call reset_cc_flags after
6999 initializing referenced_vars.
7001 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7002 Roger Sayle <roger@eyesopen.com>
7005 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7006 to 1.0 for non-real operands. Implement A / A optimization for
7009 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7011 * config/i386/i386.c (size_cost): Correct the comment for
7012 cost of storing fp registers.
7013 (i386_cost): Likewise.
7014 (i486_cost): Likewise.
7015 (pentium_cost): Likewise.
7016 (pentiumpro_cost): Likewise.
7017 (k6_cost): Likewise.
7018 (athlon_cost): Likewise.
7019 (k8_cost): Likewise.
7020 (pentium4_cost): Likewise.
7021 (nocona_cost): Likewise.
7022 (generic64_cost): Likewise.
7023 (generic32_cost): Likewise.
7025 2006-03-24 Denis Chertykov <denisc@overta.ru>
7027 * config/avr/avr-protos.h (extra_constraint): Delete.
7028 (extra_constraint_Q): New declaration.
7029 * config/avr/constraints.md: New file.
7030 * config/avr/avr.md: Include it.
7031 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7032 (TMP_REGNO, ZERO_REGNO): Likewise.
7033 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7034 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7035 (extra_constraint): Delete.
7036 (extra_constraint_Q): Test for memory constraint 'Q'.
7037 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7038 (REG_CLASS_FROM_LETTER): Delete.
7039 (CONST_OK_FOR_LETTER_P): Delete.
7040 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7041 (EXTRA_CONSTRAINT): Delete.
7042 (TMP_REGNO): Delete.
7043 (ZERO_REGNO): Delete.
7045 2006-03-24 Jeff Law <law@redhat.com>
7047 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7048 directly. Call mark_new_vars_to_rename slightly earlier.
7050 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7052 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7054 (gen_compile_unit_die): Use new language types for Objective-C and
7056 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7057 DW_LANG_C_plus_plus.
7060 * config/t-darwin (crt3.o): Work around bug 26840.
7061 * config/darwin-crt3.c: Rewrite.
7062 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7064 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7066 * doc/invoke.texi: Document -femit-class-debug-always
7067 * common.opt: Add -femit-class-debug-always.
7069 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7071 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7072 index and base register.
7073 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7074 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7075 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7076 REGNO_OK_FOR_INDEX_P.
7077 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7079 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7080 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7081 REG_OK_FOR_BASE_P): Definitions removed.
7083 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7086 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7087 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7088 set yet or weren't marked as local yet.
7090 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7092 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7095 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7097 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7098 (rs6000_legitimate_small_data_p): Delete.
7099 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7100 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7101 and make static. Add forward declaration. Update uses.
7102 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7103 of offsettable_memref_p.
7104 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7105 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7107 2006-03-24 Jeff Law <law@redhat.com>
7109 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7110 around bug in immediate-use iterator.
7112 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7115 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7116 or __LITTLE_ENDIAN__.
7118 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7120 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7121 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7122 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7123 * config/sh/sh.opt (mdiv=): Amend description.
7124 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7125 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7126 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7127 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7128 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7129 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7130 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7131 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7132 TARGET_DIVIDE_CALL_FP.
7134 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7136 * haifa-sched.c (choose_ready): Fix type of the local variable.
7137 Move local variables. Add comment.
7138 (check_reg_live): Change signature. Make callable from debugger.
7139 * sched-int.h (check_reg_live): Update signature.
7140 * sched-ebb.c (check_reg_live): Update parameters.
7141 * sched-rgn.c (check_reg_live): Ditto.
7142 (region_head_or_leaf_p): Check pointer before dereferencing.
7143 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7144 before reload on optimization levels below 1.
7146 2006-03-23 Richard Henderson <rth@redhat.com>
7148 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7152 * config/alpha/predicates.md (local_symbolic_operand): Reject
7155 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7158 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7159 expressions which have overflowed constants.
7161 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7163 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7165 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7167 * cfgloopmanip.c (create_loop_notes): Removed.
7168 * final.c (final_scan_insn): Do not handle loop notes.
7169 * jump.c (squeeze_notes): Ditto.
7170 * cfglayout.c (skip_insns_after_block,
7171 duplicate_insn_chain): Ditto.
7172 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7174 * cfgloop.h (create_loop_notes): Declaration removed.
7176 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7178 * varasm.c (output_constant_pool): Restore fnname and fndecl
7180 (assemble_start_function): Adjust call accordingly.
7181 (assemble_end_function): Likewise.
7183 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7186 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7189 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7191 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7194 * system.h (ICE_EXIT_CODE): New macro.
7195 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7196 (diagnostic_action_after_output): Likewise.
7197 * gcc.c (fatal_ice): New function.
7198 (execute): Use it instead of fatal.
7199 (fancy_abort): Likewise.
7200 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7202 2006-03-22 Jeff Law <law@redhat.com>
7204 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7205 iv_analyze_result returning false.
7207 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7209 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7211 2006-03-22 Richard Henderson <rth@redhat.com>
7214 * except.c (duplicate_eh_regions_0): New.
7215 (duplicate_eh_region_1): Duplicate the children of the node as
7216 well as the node itself. Link them up properly.
7217 (duplicate_eh_region_2): Merge into ...
7218 (duplicate_eh_regions): ... here. Take copy_region argument, and
7219 copy only a sub-tree if asked. Simplify copying and fixup.
7220 (eh_region_outer_p): New.
7221 * except.h (duplicate_eh_regions): Update decl.
7222 (eh_region_outer_p): Declare.
7223 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7224 (lower_omp_master): Likewise.
7225 (lower_omp_ordered): Likewise.
7226 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7227 (move_stmt_r): Use it to remap labels. Handle recursion vs
7228 remap_decls_p properly.
7229 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7230 (find_outermost_region_in_block): New.
7231 (new_label_mapper): New.
7232 (move_sese_region_to_fn): Copy eh information to the new function
7234 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7236 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7239 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7241 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7242 into shared libraries.
7244 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7246 * doc/md.texi: Refer to i386/constraints.md instead of
7248 * config/i386/constraints.md: New file, extracted from...
7249 * config/i386/predicates.md: ...here.
7250 * config/i386/i386.md: Include constraints.md.
7252 2006-03-21 Jason Merrill <jason@redhat.com>
7254 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7257 * expr.c (init_block_move_fn): Force default visibility.
7258 (init_block_clear_fn): Likewise.
7259 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7260 * targhooks.c (default_external_stack_protect_fail): Likewise.
7262 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7264 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7265 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7266 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7267 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7268 (loadgp): Use mips_current_loadgp_style.
7269 (loadgp_noshared): New pattern.
7270 (sibcall_internal): Use MIPS_CALL.
7271 (sibcall_value_internal): Likewise.
7272 (sibcall_value_multiple_internal): Likewise.
7273 (call_internal): Likewise.
7274 (call_value_internal): Likewise.
7275 (call_value_multiple_internal): Likewise.
7276 (call_split): Use MIPS_CALL and add an 'S' constraint.
7277 (call_value_split): Likewise.
7278 (call_value_multiple_split): Likewise.
7279 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7280 (-mshared): New option.
7281 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7282 (mips_current_loadgp_style): Declare.
7283 * config/mips/mips.c (mips_classify_symbol): Avoid using
7284 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7285 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7286 TARGET_ABSOLUTE_ABICALLS.
7287 (override_options): Adjust comments. Improve the warning that is
7288 issued when -mabicalls and -G are used together.
7289 (mips_file_start): Remove comment.
7290 (mips_current_loadgp_style): New function.
7291 (mips_gnu_local_gp): New variable.
7292 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7294 (mips_output_function_prologue): Use mips_current_laodgp_style.
7295 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7296 the cprestore instruction.
7297 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7298 live for TARGET_ABSOLUTE_ABICALLS.
7299 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7300 (ASM_SPEC): Pass down -mshared and -mno-shared.
7301 (MIPS_CALL): New macro.
7302 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7304 * doc/invoke.texi (-mabicalls): Update documentation.
7305 (-mshared): Document.
7307 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7309 * config/ia64/unwind-hpux.c: New file.
7310 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7312 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7315 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7317 2006-03-21 Jeff Law <law@redhat.com>
7319 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7320 type conversions of a VR_VARYING source to a wider type.
7322 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7324 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7325 tm_file on Solaris 10 and later.
7326 (sparc64-*-solaris2*): Likewise.
7327 (sparc-*-solaris2*): Likewise.
7328 * config/sol26.h: Rename to config/sol2-6.h.
7329 * config/sol2-10.h: New file.
7331 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7334 * tree-ssa-pre.c (create_component_ref_by_pieces):
7337 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7340 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7341 return it immediately.
7343 2006-03-21 Michael Matz <matz@suse.de>
7345 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7347 (remove_arc, add_arc): Update num_out_arcs member.
7348 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7350 (cache_presence): New function.
7351 (compare_states_for_equiv): New function.
7352 (state_is_differed): Don't take number of outargs, adjust callers.
7353 Use new invariant for speeding up.
7354 (init_equiv_class): Create initial classes based on sorted
7356 (partition_equiv_class): Don't track out_arcs_num.
7357 (evaluate_equiv_classes): Call cache_presence on all states and
7360 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7362 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7363 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7364 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7365 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7367 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7368 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7369 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7370 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7371 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7373 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7374 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7375 (REGNO_REG_CLASS): ARGP is in PREGS.
7376 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7378 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7379 to deal with those addresses.
7380 * addresses.h: New file.
7381 * caller-save.c: Include "addresses.h".
7382 (init_caller_save): Use new base_reg_class function.
7383 * rtl-factoring.c: Include "addresses.h".
7384 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7385 * recog.c: Include "addresses.h".
7386 (preprocess_constraints): Use new base_reg_class function.
7387 * regrename.c: Include "addresses.h".
7388 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7389 functions. Keep track of a new var INDEX_CODE to compute valid
7391 (replace_oldest_value_addr): Likewise.
7392 (replace_oldest_value_mem): Use base_reg_class.
7393 * reload.c: Include "addresses.h".
7394 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7395 (find_reloads): Use new base_reg_class function.
7396 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7397 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7398 all callers and prototype changed.
7399 * reload1.c: Include "addresses.h".
7400 (maybe_fix_stack_asms): Use base_reg_class.
7401 * regclass.c: Include "addresses.h".
7402 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7403 (init_reg_autoinc): Use new base_reg_class function.
7404 (record_reg_classes): Likewise.
7405 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7406 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7407 Use new args to compute necessary class.
7409 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7410 regrename.o, rtl-factoring.o): Update dependencies.
7411 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7412 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7413 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7414 REG_OK_FOR_INDEX_P): Delete documentation.
7416 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7418 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7419 from V7 to V9 for Solaris 7 and above.
7421 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7423 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7424 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7425 argument pointers may not alias any other storage.
7426 * common.opt: Define option -fargument-noalias-anything.
7427 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7428 alias semantics is specified by flag_argument_noalias > 2.
7430 2006-03-20 Jeff Law <law@redhat.com>
7432 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7433 (pass_phi_only_cprop): Declare.
7434 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7436 * tree-ssa-dom.c (degenerate_phi_result): New function.
7437 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7438 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7439 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7440 (eliminate_degenerate_phis): Likewise.
7441 (pass_phi_only_cprop): New pass descriptor.
7442 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7443 support code. Callers updated.
7444 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7445 (store_copy_prop): Likewise.
7446 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7448 2006-03-20 Jason Merrill <jason@redhat.com>
7451 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7452 (push_visibility, pop_visibility): Likewise.
7453 * c-pragma.h: Declare them.
7455 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7457 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7459 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7460 parameter and use get_ebb_head_tail.
7461 (sh_md_init_global): Adjust uses of find_regmode_weight.
7463 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7465 * function.h (struct function) <x_tail_recursion_reentry>:
7466 Rename to x_stack_check_probe_note.
7467 (tail_recursion_reentry): Rename to stack_check_probe_note.
7468 * function.c: Replace tail_recursion_reentry with
7469 stack_check_probe_note everywhere.
7470 (expand_function_start): Only emit a note for
7471 stack_check_probe_note with -fstack-protect.
7472 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7474 * emit-rtl.c (remove_unnecessary_notes): Remove.
7475 (pass_remove_unnecessary_notes): Remove.
7476 * rtl.h (remove_unnecessary_notes): Remove prototype.
7477 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7478 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7479 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7481 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7484 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7485 (valid_in_set): Handle ARRAY_REF.
7486 Change "if min_variant or VH" to asserts.
7487 (create_component_ref_by_pieces): Handle ARRAY_REF.
7488 (create_expression_by_pieces): Likewise.
7489 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7491 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7493 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7494 is operand of switch, not str[0].
7496 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7498 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7499 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7501 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7503 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7504 end of insn_extra_address_constraint declaration.
7506 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7508 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7509 (no-sum-in-toc): Same.
7510 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7512 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7513 NO_FP_IN_TOC for -fPIC instead of mask.
7515 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7516 (BOOT_LDFLAGS): Delete.
7518 * config/rs6000/t-aix52: Same.
7520 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7521 (stmsi[345678]_power): New.
7523 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7525 * config/ia64/ia64.opt: Add empty line to end of file.
7527 2006-03-17 Richard Guenther <rguenther@suse.de>
7530 * builtins.c (get_pointer_alignment): For component style references
7531 adjust alignment to the component type alignment. Make sure
7532 to adjust alignment for component access of constants.
7534 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7536 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7539 2006-03-17 Paul Brook <paul@codesourcery.com>
7541 * doc/install.texi: Docuemnt --with-mode.
7542 * config.gcc: Add --with-mode for arm*-*-*.
7543 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7545 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7547 * sh.c (max_labelno_before_reorg): New variable.
7548 (sh_reorg): Initialize it.
7549 (find_barrier): Check max_labelno_before_reorg before using
7550 label_to_alignment. Take length of explicit alignment insns
7551 into account. When seeing a UNSPECV_CONST_END, return it.
7553 * sh.c (fixup_mova): Set mode of affected label to QImode.
7554 (untangle_mova): New function.
7555 (find_barrier): Use it. Check mode of label before decrementing
7557 (sh_reorg): Likewise.
7558 Set mode of all insns back to VOIDmode.
7560 * sh.c (MOVA_LABELREF): New macro.
7561 (mova_p, fixup_mova, sh_reorg): Use it.
7562 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7563 ADDR_DIFF_VEC matches mova.
7565 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7567 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7568 with ATTRIBUTE_UNUSED.
7570 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7572 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7573 pointer, instead of assuming it is possible to derive the
7574 correct args size from a call insn.
7576 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7578 * rtl.h (CONST_INT_P): Define.
7579 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7580 instead of GET_CODE(x) == CONST_INT.
7581 (vax_rtx_costs): Likewise.
7582 (vax_output_int_move): Likewise.
7583 (vax_output_int_add): Likewise.
7584 (legitimate_constant_address_p): Likewise.
7585 (index_term_p): Likewise.
7586 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7587 * config/vax/vax.md (and<mode>3): Likewise.
7588 (ashrsi3): Likewise.
7590 (movstricthi): Likewise.
7591 (movstrictqi): Likewise.
7592 (rotrsi3): Likewise.
7593 (five unnamed insns): Likewise.
7595 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7597 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7598 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7599 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7600 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7601 Pass to ASM_OUTPUT_DWARF_OFFSET.
7602 * dwarf2out.c (debug_frame_section): New.
7603 (output_call_frame_info): Use debug_frame_section. Pass it to
7604 dw2_asm_output_offset.
7605 (output_die): Pass appropriate section to dw2_asm_output_offset.
7606 (output_compilation_unit_header): Likewise.
7607 (output_pubnames): Likewise.
7608 (output_aranges): Likewise.
7609 (enum dw_val_class): Break dw_val_class_lbl_offset into
7610 dw_val_class_lineptr and dw_val_class_macptr.
7611 (add_AT_lbl_offset): Delete.
7612 (add_AT_lineptr): New.
7613 (add_AT_macptr): New.
7614 (AT_lbl): Expect a lineptr or macptr.
7615 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7616 (attr_checksum): Likewise.
7617 (same_dw_val_p): Likewise.
7618 (size_of_die): Likewise.
7619 (value_format): Likewise.
7620 (output_die): Likewise.
7621 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7623 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7624 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7625 * config/darwin-protos.h (darwin_file_start): New.
7626 (darwin_asm_output_dwarf_offset): New.
7627 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7628 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7630 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7631 if not EH section; simplify.
7632 (darwin_file_start): New.
7633 (darwin_asm_output_dwarf_offset): New.
7634 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7636 (DEBUG_INFO_SECTION): Likewise.
7637 (DEBUG_ABBREV_SECTION): Likewise.
7638 (DEBUG_ARANGES_SECTION): Likewise.
7639 (DEBUG_MACINFO_SECTION): Likewise.
7640 (DEBUG_LINE_SECTION): Likewise.
7641 (DEBUG_LOC_SECTION): Likewise.
7642 (DEBUG_PUBNAMES_SECTION): Likewise.
7643 (DEBUG_STR_SECTION): Likewise.
7644 (DEBUG_RANGES_SECTION): Likewise.
7645 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7646 (ASM_OUTPUT_DWARF_OFFSET): New.
7648 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7650 * config.gcc (tm_defines): Always add to previous value rather
7653 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7655 * config/mips/predicates.md (splittable_const_int_operand): New,
7656 split from move_operand.
7657 (splittable_symbolic_operand): New.
7658 (move_operand): Add commentary. Use splittable_const_int_operand.
7659 Inline mips_atomic_symbolic_constant_p.
7660 * config/mips/mips.md: Add combine splitters for handling moves
7661 of splittable_const_int_operands and splittable_symbolic_operands.
7662 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7663 (mips_split_symbol): Declare.
7664 (mips_move_integer): Declare.
7665 * config/mips/mips.c (mips_split_p): Make global.
7666 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7667 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7668 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7669 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7670 (mips_offset_within_object_p): Handle block symbols.
7671 (mips_atomic_symbolic_constant_p): Delete.
7672 (mips_cannot_force_const_mem): Return false for constants that
7673 mips_legitimize_move can handle.
7674 (mips_use_blocks_for_constant_p): New function.
7675 (mips_split_symbol): Make global.
7676 (mips_move_integer): Likewise. Add a temporary register argument.
7677 (mips_legitimize_const_move): Use splittable_const_int_operand and
7678 splittable_symbolic_operand.
7679 (mips_use_anchors_for_symbol_p): New function.
7680 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7681 (mips_split_p): Declare.
7683 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7685 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7686 (mips*-*-linux*): Likewise.
7688 2006-03-16 Roger Sayle <roger@eyesopen.com>
7689 Daniel Speyer <dspeyer@wam.umd.edu>
7692 * tree-dump.c (dump_real): New function.
7693 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7694 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7695 (tree-dump.o): Add $(REAL_H) to the dependencies.
7697 2006-03-16 Roger Sayle <roger@eyesopen.com>
7700 * real.c (real_from_string): If the mantissa is zero, don't bother
7701 parsing the exponent as the result should always be zero.
7703 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7705 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7707 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7709 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7710 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7711 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7712 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7713 ia64_sched_finish_global): New static functions to implement
7714 hooks from gcc_target.sched.
7715 (spec_check_no, max_uid, pending_data_specs): New static variables.
7716 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7717 ia64_spec_check_src_p): New static functions.
7718 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7719 (TARGET_SCHED_ADJUST_COST): Removed.
7720 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7721 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7722 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7723 TARGET_SCHED_GEN_CHECK,
7724 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7725 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7726 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7727 Fixed to handle speculation checks.
7728 (rtx_needs_barrier): Fixed to handle speculative loads and
7730 (ia64_variable_issue): Added code to count speculative loads and their
7732 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7734 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7736 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7738 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7739 (ia64_reorg): Reset stops_p to NULL after it is freed.
7740 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7741 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7742 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7744 (data_speculative, control_speculative, check_load): New attributes.
7745 (mov<mode>_advanced, mov<mode>_speculative,
7746 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7747 zero_extend<mode>di2_speculative,
7748 zero_extend<mode>di2_speculative_advanced): New patterns for
7749 data and control speculative loads.
7750 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7752 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7753 New pattern for data and control speculation checks.
7754 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7755 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7756 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7757 Auxiliary definitions for the patterns.
7758 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7759 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7761 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7763 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7764 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7765 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7766 New resource constraints.
7767 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7769 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7770 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7771 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7772 msched-in-control-spec, msched-ldc, msched-control-ldc,
7773 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7774 msched-prefer-non-control-spec-insns,
7775 msched-count-spec-in-critical-path): New flags to tune speculative
7777 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7778 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7779 msched-in-control-spec, msched-ldc, msched-control-ldc,
7780 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7781 msched-prefer-non-control-spec-insns,
7782 msched-count-spec-in-critical-path): Document new flags.
7784 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7786 * target.h (struct spec_info_def): New opaque declaration.
7787 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7788 speculate_insn, needs_block_p, gen_check,
7789 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7790 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7791 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7792 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7793 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7794 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7796 (TARGET_SCHED): Use new macros.
7797 * rtl.h (copy_DEPS_LIST_list): New prototype.
7798 * sched-int.h (struct sched_info): Change signature of new_ready field,
7799 adjust all initializations. New fields: add_remove_insn,
7800 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7801 region_head_or_leaf_p.
7802 (struct spec_info_def): New structure declaration.
7803 (spec_info_t): New typedef.
7804 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7805 recovery_block, orig_pat.
7806 (glat_start, glat_end): New variables declaraions.
7807 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7809 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7810 DETACH_LIFE_INFO, USE_GLAT.
7811 (enum SPEC_SCHED_FLAGS): New enumeration.
7812 (NOTE_NOTE_BB_P): New macro.
7813 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7814 attach_life_info, debug_spec_status, check_reg_live): New functions.
7815 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7816 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7818 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7819 * ddg.c (get_block_head_tail): Adjust all uses.
7820 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7821 (sms_sched_info): Initialize new fields.
7822 (contributes_to_priority): Removed.
7823 * haifa-sched.c (params.h): New include.
7824 (get_block_head_tail): Adjust all uses.
7825 (ISSUE_POINTS): New macro.
7826 (glat_start, glat_end): New global variables.
7827 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7828 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7829 old_last_basic_block, before_recovery, current_sched_info_var,
7830 rgn_n_insns, luid): New static variables.
7831 (insn_cost1): New function. Move logic from insn_cost to here.
7832 (find_insn_reg_weight1): New function. Move logic from
7833 find_insn_reg_weight to here.
7834 (reemit_notes, move_insn, max_issue): Change signature.
7835 (move_insn1): Removed.
7836 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7837 extend_bb): New static functions to support extension of scheduler's
7839 (generate_recovery_code, process_insn_depend_be_in_spec,
7840 begin_speculative_block, add_to_speculative_block,
7841 init_before_recovery, create_recovery_block, create_check_block_twin,
7842 fix_recovery_deps): New static functions to support
7843 generation of recovery code.
7844 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7845 restore_bb_notes, move_block_after_check, move_succs): New static
7846 functions to support ebb scheduling.
7847 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7848 functions to support handling of register live information.
7849 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7850 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7851 add_jump_dependencies): New static functions.
7852 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7853 consistancy checking.
7854 (debug_spec_status): New function to call from debugger.
7855 (priority): Added code to handle speculation checks.
7856 (rank_for_schedule): Added code to distinguish speculative instructions.
7857 (schedule_insn): Added code to handle speculation checks.
7858 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7859 Fixed to handle ebbs.
7860 (move_insn): Added code to handle ebb scheduling.
7861 (max_issue): Added code to use ISSUE_POINTS of instructions.
7862 (choose_ready): Added code to choose between speculative and
7863 non-speculative instructions.
7864 (schedule_block): Added code to handle ebb scheduling and scheduling of
7865 speculative instructions.
7866 (sched_init): Initialize new variables.
7867 (sched_finish): Free new variables. Print statistics.
7868 (try_ready): Added code to handle speculative instructions.
7869 * lists.c (copy_DEPS_LIST_list): New function.
7870 * sched-deps.c (extend_dependency_caches): New function. Move logic
7871 from create_dependency_caches to here.
7872 (get_dep_weak, ds_merge): Make global.
7873 * genattr.c (main): Code to output prototype for
7874 dfa_clear_single_insn_cache.
7875 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7876 (output_dfa_clean_insn_cache_func): Code to output
7877 dfa_clear_single_insn_cache function.
7878 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7880 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7882 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7883 New static variables.
7884 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7885 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7887 (ebb_sched_info): Initialize new fields.
7888 (get_block_head_tail): Adjust all uses.
7889 (compute_jump_reg_dependencies): Fixed to use glat_start.
7890 (schedule_ebb): Code to remove unreachable last block.
7891 (schedule_ebbs): Added code to update register live information.
7892 * sched-rgn.c (region_sched_info): Initialize new fields.
7893 (get_block_head_tail): Adjust all uses.
7894 (last_was_jump): Removed. Adjust users.
7895 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7896 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7897 Implement new hooks.
7898 (check_dead_notes1): New static function.
7899 (struct region): New fields: dont_calc_deps, has_real_ebb.
7900 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7901 (BB_TO_BLOCK): Fixed to handle EBBs.
7902 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7903 (ebb_head): New static variable.
7904 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7905 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7907 (compute_dom_prob_ps): New assertion.
7908 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7909 global_live_at_start.
7910 (init_ready_list): New assertions.
7911 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7912 (new_ready): Add support for BEGIN_CONTROL speculation.
7913 (schedule_insns): Fixed code that updates register live information
7915 (schedule_region): Fixed to handle EBBs.
7916 (init_regions): Use extend_regions and check_dead_notes1.
7917 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7918 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7919 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7920 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7921 TARGET_SCHED_GEN_CHECK,
7922 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7923 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7924 * doc/invoke.texi (max-sched-insn-conflict-delay,
7925 sched-spec-prob-cutoff): Document.
7927 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7929 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7930 inter_tick, queue_index.
7931 (struct sched_info): Change signature of init_ready_list field.
7932 Adjust all initializations.
7933 (RESOLVED_DEPS): New access macro.
7934 (ready_add): Remove prototype.
7935 (try_ready): Add prototype.
7936 * sched-rgn.c (init_ready_list): Use try_ready.
7937 (schedule_region): Initialize
7938 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7939 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7940 (init_ready_list): Use try_ready.
7941 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7942 * lists.c (remove_list_elem): Remove `static'.
7943 (remove_free_INSN_LIST_elem): New function.
7944 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7945 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7946 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7948 (readyp): New variable.
7949 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7950 change_queue_index, resolve_dep): New static functions.
7951 (try_ready): New function. Adjust callers in sched-rgn.c and
7952 sched-ebb.c to use it instead of ready_add.
7953 (clock_var): Move at the begining of file.
7954 (rank_for_schedule): Fix typo.
7955 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7956 (ready_lastpos): Enforce assertion.
7957 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7959 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7960 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7961 (queue_to_ready): Use free_INSN_LIST_list.
7962 (early_queue_to_ready): Fix typo.
7963 (schedule_block): Init readyp. Move init_ready_list call after the
7964 initialization of clock_var. Fix error in rejecting insn by
7965 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7966 that previously corrected INSN_TICKs. Add code for handling
7968 (set_priorities): Fix typo.
7969 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7970 Clarify comment and code that keeps current_sched_info->next_tail
7973 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7975 * sched-rgn.c (extend_rgns): New static function.
7976 (find_rgns): Use it.
7977 (gather_region_statistics, print_region_statistics): New static
7979 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7980 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7982 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7983 Andrey Belevantsev <abel@ispras.ru>
7985 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7986 * lists.c (unused_deps_list): New variable.
7987 (free_list): Add assertions to verify the proper distinguishing
7988 between INSN_LISTs and DEPS_LISTs.
7989 (find_list_elem, remove_list_elem, remove_list_node): New static
7991 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7992 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7993 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7994 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7996 (free_INSN_LIST_node): Likewise.
7997 * modulo-sched.c (current_sched_info): Initialize flags field.
7998 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7999 * rtl.def (DEPS_LIST): Define.
8000 * rtl.h: Declare new functions from lists.c.
8001 * sched-deps.c (spec_dependency_cache): New static variable.
8002 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8003 (add_dependence): Change return type to void. Move the logic to ...
8004 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8005 (delete_all_dependences): Add comment about forward_dependency_cache.
8006 Handle spec_dependency_cache. Handle DEPS_LISTs.
8007 (fixup_sched_groups): Clarify the change of priority of output
8008 and anti dependencies.
8009 (sched_analyze_2): Adjust add_dependence calls to create data
8010 speculative dependence.
8011 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8012 Adjust all callers. Handle DEPS_LISTS.
8013 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8014 presence of speculation.
8015 (init_dependency_caches, free_dependency_caches):
8016 Handle spec_dependency_cache.
8017 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8018 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8019 New static functions.
8020 (add_or_update_back_dep, add_or_update_back_forw_dep,
8021 add_back_forw_dep, delete_back_forw_dep): New functions.
8022 * sched-int.h (ds_t, dw_t): New typedefs.
8023 (struct sched_info): Add new field flags.
8024 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8025 Prototype new sched-deps.c functions.
8026 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8027 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8028 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8029 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8030 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8031 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8033 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8035 * sched-rgn.c (current_sched_info): Initialize flags field.
8036 (schedule_insns): Initialize current_sched_info before the sched_init
8038 * sched-ebb.c (current_sched_info): Initialize flags field.
8039 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8040 Call add_or_update_back_dep instead of add_dependence.
8041 Create control speculative dependencies.
8042 (schedule_insns): Initialize current_sched_info before the sched_init
8045 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8047 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8049 (sh_fallback_frame_state): Likewise.
8051 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8053 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8054 Do switch on default_use_cxa_atexit.
8055 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8056 * config/darwin-crt3.o: New.
8057 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8058 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8059 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8061 * config/rs6000/t-darwin: Move crt2.o building to here.
8062 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8063 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8066 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8068 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8069 from '! xxx' to '!xxx' for coding-style conformance.
8070 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8071 (EXTRA_CONSTRAINT): Likewise.
8072 * config/vax/vax.md (four unnamed insns): Likewise.
8074 2006-03-15 Paul Brook <paul@codesourcery.com>
8076 * config/arm/arm.c (minipool_pad): New.
8077 (add_minipool_forward_ref): Include pool alignment padding in address
8079 (push_minipool_fix): Set minipool_pad.
8080 (minipool_pad): Ditto.
8082 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8084 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8085 instead of GET_CODE() == MEM and REG_P() instead of
8087 (print_operand_address): Likewise.
8088 (vax_address_cost): Likewise.
8089 (vax_rtx_costs): Likewise.
8090 (vax_notice_update_cc): Likewise.
8091 (vax_output_int_add): Likewise.
8092 (INDEX_REGISTER_P): Likewise.
8093 (BASE_REGISTER_P): Likewise.
8094 (nonindexed_address_p): Likewise.
8095 (vax_mode_dependent_address_p): Likewise.
8096 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8097 (PRINT_OPERAND): Likewise.
8098 * config/vax/vax.md (ashlsi3): Likewise.
8099 (ashlsi3): Likewise.
8100 (some more unnamed insns): Likewise.
8102 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8104 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8105 iterator-style macro.
8106 (mark_control_dependent_edges_necessary): Update the use of
8107 EXECUTE_IF_CONTROL_DEPENDENT.
8109 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8111 * config/sh/predicates.md (cache_address_operand): Special.
8112 (ua_address_operand): Likewise.
8114 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8116 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8118 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8120 2006-03-15 Andreas Schwab <schwab@suse.de>
8122 * gensupport.c (identify_predicable_attribute): Don't free p_false
8123 when it is still in use.
8125 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8127 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8128 the default setting here.
8130 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8132 * tree-pass.h (pass_cfg): Remove.
8133 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8134 * passes.c (pass_cfg): Don't run it.
8136 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8138 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8139 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8141 (stack_regs_mentioned): Update the uses of
8142 stack_regs_mentioned_data. Don't access the array beyond its
8144 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8145 Don't include gt-reg-stack.h.
8147 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8148 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8150 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8153 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8156 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8158 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8160 2006-03-14 Richard Guenther <rguenther@suse.de>
8162 PR tree-optimization/26672
8163 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8166 2006-03-14 Richard Guenther <rguenther@suse.de>
8168 PR tree-optimization/26667
8169 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8170 node for the callees. Always allow inlining if it will shrink
8173 2006-03-14 Richard Guenther <rguenther@suse.de>
8176 * builtins.c (get_pointer_alignment): Prefer alignment
8177 information from decls over that from types.
8179 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8182 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8184 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8186 * config/rs6000/rs6000.opt (mdlmzb): New option.
8187 (msched-prolog, msched-epilog): Use Var not Mask.
8188 * doc/invoke.texi (-mdlmzb): Document.
8189 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8191 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8192 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8194 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8196 PR rtl-optimization/25739
8197 * bt-load.c (augment_live_range): Free tos pointer.
8199 * gensupport.c (identify_predicable_attribute): Free
8201 * gcov.c (create_file_names): Free name pointer.
8203 2006-03-13 Roger Sayle <roger@eyesopen.com>
8206 * stmt.c (emit_case_nodes): Handle the case where the index is a
8207 CONST_INT, where the comparison mode is specified by the index type.
8209 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8211 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8214 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8216 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8217 (*branch_fp_inverted): Likewise.
8219 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8222 * omp-low.c (expand_omp_for_generic): Mark istart0
8223 and iend0 as addressable.
8225 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8227 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8229 2006-03-13 Jeff Law <law@redhat.com>
8231 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8232 virtual operands are interesting.
8233 (vrp_visit_stmt): Corresponding changes.
8235 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8237 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8239 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8240 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8241 * config/bfin/crti.S: Use it instead of __PIC__.
8242 * config/bfin/crtn.S: Likewise.
8244 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8245 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8247 Lose 'G' modifier for call operand.
8248 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8249 recognize 'G' modifier.
8251 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8254 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8255 * stmt.c (expand_case): Likewise.
8257 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8259 PR rtl-optimization/26254
8260 * loop-invariant.c (seq_insns_valid_p): New function.
8261 (move_invariant_reg): Only emit new code if it is valid.
8263 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8265 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8267 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8268 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8269 (commit_one_edge_insertion): Do not look for loop notes.
8271 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8273 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8274 flag_test_coverage out of loop.
8276 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8278 * final.c (shorten_branches): Remove outdated comment, and turn
8279 the if branch that guards it to continue.
8281 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8283 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8284 * cfgloop.h (struct loop): Remove unused fields.
8286 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8288 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8289 (-dL, -fdump-rtl-loop2): Update the dump file names
8291 * doc/invoke.texi: Update dump file names.
8293 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8295 * predict.c (estimate_probability): Remove.
8296 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8297 * basic-block.h (estimate_probability): Remove prototype.
8298 * passes.c (finish_optimization_passes): Dump branch prediction or
8299 profiling heuristics to the .profile tree dump.
8300 (init_optimization_passes): Unqueue pass_branch_prob.
8302 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8304 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8306 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8307 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8309 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8311 * function.h (frame_offset_overflow): Declare.
8312 * function.c (frame_offset_overflow): New function.
8313 (assign_stack_local_1): Call it to detect that the offset overflows.
8314 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8316 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8318 * config/sh/sh.c: Include alloc-pool.h.
8319 (label_ref_list_pool): New alloc pool.
8320 (label_ref_list_t): New type for lists of labels.
8321 (struct pool_node): Make wend a label_ref_list_t.
8322 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8324 (dump_table): Likewise.
8325 (sh_reorg): Set up the alloc pool before using add_constant and
8326 dump_table, and destroy it when finishing.
8328 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8330 * config/mips/mips.c: Remove redundant comment.
8332 2006-03-10 Jason Merrill <jason@redhat.com>
8335 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8336 the target was declared 'register'.
8338 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8340 * genpreds.c (write_insn_constraint_len): Change definition of
8341 insn_constraint_len to return size_t to match the declaration.
8343 2006-03-10 DJ Delorie <dj@redhat.com>
8345 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8347 (m32c_expand_insv): Fix test for an AND mask.
8349 2006-03-10 Richard Guenther <rguenther@suse.de>
8352 * builtins.c (get_pointer_alignment): Handle component
8353 references for field alignment.
8355 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8357 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8358 when building with libgloss.
8359 (sh*elf): Implement --without-fp option.
8360 (sh64-superh-linux*): Don't multilib.
8362 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8364 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8366 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8368 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8369 Set it when one of the replacement functions returned true.
8370 Return TODO_cleanup_cfg if cfgchanged is true.
8371 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8373 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8375 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8376 instead of gen_lowpart.
8378 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8380 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8382 (mips_output_order_conditional_branch): Declare.
8383 * config/mips/mips.h (MIPS_BRANCH): New macro.
8384 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8385 for the comparison. Use gen_condjump.
8386 (mips_output_conditional_branch): Rework interface to take the
8387 asm templates for a direct branch and the inverse of a direct branch.
8388 (mips_output_order_conditional_branch): New function.
8389 (mips_builtin_branch_and_move): New function.
8390 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8391 branch condition. Use gen_single_cc as the condition for
8392 __builtin_mips_upper_* or __builtin_mips_lower_*.
8393 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8394 Use VOIDmode for the branch condition.
8395 * config/mips/predicates.md (order_operator): New predicate.
8396 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8397 (branch_fp): Rename to...
8398 (*branch_fp): ...this. Remove mode from comparison operator.
8399 Use new mips_output_conditional_branch interface.
8400 (branch_fp_inverted): Rename to...
8401 (*branch_fp_inverted): ...this and update as for *branch_fp.
8402 (*branch_zero<mode>): Rename to...
8403 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8404 Use mips_output_order_conditional_branch. Only accept ordered
8406 (*branch_zero<mode>_inverted): Rename to...
8407 (*branch_order<mode>_inverted): ...this and update as for
8408 *branch_order<mode>.
8409 (*branch_equality<mode>): Accept zero as the second operand to
8410 the equality operator. Use the new mips_output_conditional_branch
8412 (*branch_equality<mode>_inverted): Likewise.
8413 (condjump): New expander.
8414 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8416 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8417 (bc1any2t, bc1any2f): Likewise.
8418 (single_cc): New expander.
8419 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8421 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8423 * doc/md.texi: Update documentation of MIPS constraints.
8424 * config/mips/constraints.md: New file.
8425 * config/mips/mips.md: Include it.
8426 * config/mips/mips.c (mips_char_to_class): Delete.
8427 (override_options): Don't initialize mips_char_to_class.
8428 * config/mips/mips.h (mips_char_to_class): Delete.
8429 (REG_CLASS_FROM_LETTER): Delete.
8430 (CONST_OK_FOR_LETTER_P): Delete.
8431 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8432 (EXTRA_CONSTRAINT_Y): Delete.
8433 (EXTRA_CONSTRAINT_STR): Delete.
8434 (CONSTRAINT_LEN): Delete.
8435 (EXTRA_MEMORY_CONSTRAINT): Delete.
8437 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8439 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8440 original fn's eh regions.
8442 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8444 * fold-const.c (build_range_check): Make sure to use a valid type to
8445 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8448 (range_predecessor): New static function.
8449 (range_successor): Likewise.
8450 (merge_ranges): Use them to compute predecessors and successors of
8453 2006-03-09 Roger Sayle <roger@eyesopen.com>
8456 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8457 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8459 2006-03-08 DJ Delorie <dj@redhat.com>
8461 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8462 (addpsi3): Expand to include memory operands. Remove
8463 reload-specific splits.
8464 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8465 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8466 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8467 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8468 (shift1_qi, shift1_hi, insv): New.
8469 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8470 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8471 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8473 * config/m32c/m32c-protos.h: Update as needed.
8474 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8475 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8476 Fail for unrecognized R* constraints.
8477 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8478 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8479 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8481 (m32c_init_libfuncs): New.
8482 (m32c_legitimate_address_p): Add debug wrapper.
8483 (m32c_rtx_costs): New.
8484 (m32c_address_cost): New.
8485 (conversions): Add 'B' prefix.
8486 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8487 operands, or word regnames for QI operands. 'B' prints bit
8489 (m32c_expand_setmemhi): New.
8490 (m32c_expand_movmemhi): New.
8491 (m32c_expand_movstr): New.
8492 (m32c_expand_cmpstr): New.
8493 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8494 (m32c_expand_neg_mulpsi3): Handle non-ints.
8495 (m32c_cmp_flg_0): New.
8496 (m32c_expand_movcc): New.
8497 (m32c_expand_insv): New.
8498 (m32c_scc_pattern): New.
8499 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8500 a0/a1 out of SIregs.
8501 (STORE_FLAG_VALUE): New.
8502 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8505 * config/m32c/mov.md: Make constraints more liberal.
8506 (zero_extendqihi2): Optimize r0/r1 case.
8507 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8508 * config/m32c/predicates.md (m32c_any_operand): New.
8509 (m32c_nonimmediate_operand): New.
8510 (m32c_hl_operand): New.
8511 (m32c_r3_operand): New.
8514 (memsym_operand): New.
8515 (memimmed_operand): New.
8516 (a_qi_operand): New.
8517 (m32c_eqne_operator): New.
8518 (m32c_1bit8_operand): New.
8519 (m32c_1bit16_operand): New.
8520 (m32c_1mask8_operand): New.
8521 (m32c_1mask16_operand): New.
8522 * config/m32c/blkmov.md: New file.
8523 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8525 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8527 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8528 unsigned to fix signed/unsigned comparison issue in
8529 DWARF2_FRAME_REG_OUT.
8530 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8531 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8533 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8534 of ptr into the ENABLE_CHECKING section.
8536 2006-03-08 Jeff Law <law@redhat.com>
8538 * tree-vrp.c (infer_value_range): Only count pointer uses
8539 and dereferences if -fdelete-null-pointer-checks is enabled.
8541 * tree-vrp.c (find_assert_locations): Infer value ranges for
8542 single use pointers, but do not create ASSERT_EXPRs for them.
8543 When a non-null range is inferred for a pointer, backwards
8544 propagate that range to other equivalent pointers through the
8547 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8550 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8551 language hook targets.
8552 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8553 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8554 if language hook targets were missing.
8556 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8558 * tree-ssa-opfinalize.h: Removed.
8559 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8561 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8562 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8563 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8564 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8565 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8566 finalize_ssa_v_must_def_ops): New.
8568 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8570 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8573 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8575 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8577 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8578 addresses with offsets; reorganize.
8580 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8581 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8582 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8584 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8587 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8589 2006-03-08 Ben Elliston <bje@au.ibm.com>
8591 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8593 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8596 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8599 2006-03-07 Richard Guenther <rguenther@suse.de>
8601 PR tree-optimization/26587
8602 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8604 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8606 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8608 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8610 * hooks.c (hook_bool_mode_rtx_true): New function.
8611 * hooks.h (hook_bool_mode_rtx_true): Declare.
8612 * toplev.c (compile_file): Call output_shared_constant_pool.
8613 * varasm.c (shared_constant_pool): New variable.
8614 (assemble_start_function, assemble_end_function): Remove arguments
8615 from call to output_constant_pool.
8616 (create_constant_pool): New function, split out from...
8617 (init_varasm_status): ...here.
8618 (force_const_mem): Choose between the shared and per-function constant
8619 pools. Set current_function_uses_const_pool when reusing old entries
8620 as well as when creating new ones.
8621 (mark_constant): Ignore data argument.
8622 (mark_constants): Remove pool argument.
8623 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8624 to decide whether the function uses a constant pool.
8625 (output_constant_pool_contents): New function, split out from...
8626 (output_constant_pool): ...here.
8627 (output_shared_constant_pool): New function.
8628 (init_varasm_once): Initialize shared_constant_pool.
8629 * output.h (output_constant_pool): Delete.
8630 (output_shared_constant_pool): Declare.
8631 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8632 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8634 2006-03-06 Nick Clifton <nickc@redhat.com>
8636 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8637 flag_strength_reduce.
8639 2006-03-06 Ben Elliston <bje@au.ibm.com>
8641 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8642 x86_64-*-linux* configurations.
8644 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8645 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8647 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8649 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8651 * basic-block.h: Remove the extern for
8652 rediscover_loops_after_threading.
8654 * cfgloop.c (cancel_loop): Make it static.
8655 * cfgloop.h: Remove the prototype for cancel_loop.
8657 * flow.c (recompute_reg_usage): Make it static.
8658 * rtl.h: Remove the prototype for recompute_reg_usage.
8660 * function.c (use_return_register): Make it static.
8661 * function.h: Remove the prototype.
8663 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8665 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8667 * recog.h: Remove the prototype for
8668 validate_change_maybe_volatile.
8670 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8672 * rtlanal.c (replace_reg): Remove.
8673 * rtl.h: Remove the prototype for replace_reg.
8675 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8677 * regclass.c (reg_scan_update): Remove.
8678 (reg_scan_mark_refs): Remove the last argument.
8679 * rtl.h: Remove the prototype for reg_scan_update.
8681 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8683 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8684 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8685 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8686 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8687 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8688 loop-invariant.c, omp-low.c, opts.c, passes.c,
8689 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8690 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8691 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8692 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8693 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8694 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8696 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8698 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8699 * dwarf2out.h: Remove the prototype for
8700 dwarf2out_add_library_unit_info.
8702 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8704 * tree.c (add_var_to_bind_expr): Remove.
8705 * tree.h: Remove the prototype for add_var_to_bind_expr.
8707 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8709 * regclass.c (n_non_fixed_regs): Remove.
8710 (init_reg_sets_1, globalize_reg): Remove all uses of
8712 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8714 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8716 * rtlanal.c (insns_safe_to_move_p): Remove.
8717 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8719 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8721 * expmed.c (expand_mult_add): Remove.
8722 * expr.h: Remove the prototype for expand_mult_add.
8724 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8726 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8727 and REG_SAVED_VAL_EXP constants.
8728 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8729 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8730 Handle regs stored by value.
8731 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8732 (execute_cfa_program): Handle DW_CFA_val_offset,
8733 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8734 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8735 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8736 (uw_install_context_1): Handle target regs stored by value.
8738 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8740 * tree-sra.c (tree_sra): Return todoflags;
8741 (generate_one_element): Set TODO_update_smt_usage if needed.
8742 (pass_sra): Remove TODO_update_smt_usage.
8743 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8745 (tree_ssa_forward_propagate_single_use_vars): Return
8746 TODO_update_smt_usage if we need to update SMT usage.
8747 (pass_forwprop): Remove TODO_update_smt_usage.
8749 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8751 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8752 (correct_use_link): Remove reference to get_stmt_operands.
8753 (update_stmt_operands): Likewise.
8754 (get_modify_expr_operands): New function factored out of
8755 parse_ssa_operands and get_expr_operands.
8756 Try to create V_MUST_DEFs for LHS by default.
8757 (get_expr_operands) <case MODIFY_EXPR>: Call
8758 get_modify_expr_operands.
8759 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8760 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8761 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8762 get_modify_expr_operands.
8764 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8766 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8767 * tree-flow.h: Remove the prototype for
8768 referenced_var_lookup_if_exists.
8770 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8772 PR rtl-optimization/26345
8774 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8776 2006-03-03 Roger Sayle <roger@eyesopen.com>
8778 PR tree-optimization/26524
8779 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8780 fold_convert to create a constant of the appropriate type.
8782 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8784 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8785 SYMBOL_REF_IN_BLOCK_P.
8786 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8787 of SYMBOL_FLAG_IN_BLOCK.
8788 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8789 instead of SYMBOL_REF_IN_BLOCK_P.
8790 * explow.c (use_anchored_address): Likewise.
8791 * rtl.c (rtx_size): Likewise.
8792 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8793 instead of SYMBOL_FLAG_IN_BLOCK.
8794 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8795 SYMBOL_REF_IN_BLOCK_P.
8796 (assemble_variable): Likewise.
8797 (output_constant_def_contents): Likewise.
8798 (output_constant_pool): Likewise.
8799 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8800 instead of SYMBOL_FLAG_IN_BLOCK.
8801 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8802 SYMBOL_REF_IN_BLOCK_P.
8803 (SYMBOL_REF_BLOCK): Likewise.
8804 (SYMBOL_REF_OFFSET): Likewise.
8805 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8806 SYMBOL_REF_IN_BLOCK_P.
8807 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8808 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8809 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8810 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8812 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8814 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8816 2006-03-02 Roger Sayle <roger@eyesopen.com>
8818 * simplify-rtx.c (simplify_unary_operation): When simplifying
8819 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8820 that we perform the right shift in the appropriate mode, and
8821 then extend or truncate the result to requested mode.
8823 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8825 * gengtype.c (main): Handle double_int type.
8826 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8827 * double-int.c: New file.
8828 * double-int.h: New file.
8829 * system.h: Include doubleint.h.
8830 * Makefile.in (SYSTEM_H): Include double-int.h.
8831 (double-int.o): Add.
8833 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8836 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8839 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8841 * tree-vrp.c (remove_range_assertions): Do not update statements
8844 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8846 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8848 * gcse.c (rest_of_handle_gcse): Ditto.
8849 * except.c (gate_handle_eh): Ditto.
8850 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8851 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8853 2006-03-02 Eric Christopher <echristo@apple.com>
8855 * config/i386/i386.c (machopic_output_stub): Add indirection to
8858 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8862 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8864 Sun Niagara specific optimizations.
8865 * config.gcc: Recognize niagara as target.
8866 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8867 (TARGET_CPU_niagara): Define.
8868 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8869 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8870 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8871 (ASM_CPU_SPEC): Likewise.
8872 (PROCESSOR_NIAGARA): New enum entry.
8873 (REGISTER_MOVE_COST): Handle Niagara.
8874 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8875 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8876 (sparc_override_options): Recognize "niagara", set appropriate
8877 default MASK_* values for it, and align functions to 32-bytes
8878 by default just like ULTRASPARC/ULTRASPARC3.
8879 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8880 (sparc64_initialize_trampoline): Likewise.
8881 (sparc_use_sched_lookahead): Use zero for niagara.
8882 (sparc_issue_rate): Use one for niagara.
8883 * config/sparc/niagara.md: New file.
8884 * config/sparc/sparc.md: Include it.
8885 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8886 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8887 when default cpu is niagara.
8888 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8889 (ASM_CPU_SPEC): Likewise.
8890 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8891 when default cpu is niagara.
8892 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8893 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8894 just like v9/ultrasparc/ultrasparc3.
8895 * doc/invoke.texi: Add documentation for "niagara" and improve
8896 existing documentation for ultrasparc variants.
8898 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8900 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8902 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8904 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8905 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8906 and say that only one is needed.
8907 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8908 * target.h (have_switchable_bss_sections): New hook.
8909 * explow.c (use_anchored_address): Check that the symbol is in a block.
8910 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8911 (bss_noswitch_section): New variables.
8912 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8913 (get_noswitch_section): New function.
8914 (get_block_for_section): Allow SECT to be null.
8915 (unlikely_text_section_p): Use SECTION_STYLE.
8916 (bss_initializer_p): New function.
8917 (get_variable_section): Move earlier in file. Take a new argument,
8918 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8919 Return one of the new *_sections in such cases.
8920 (get_block_for_decl): New function, extracting some logic from
8921 use_blocks_for_decl_p.
8922 (change_symbol_section): Remove in favor of...
8923 (change_symbol_block): ...this new function.
8924 (use_blocks_for_decl_p): Remove checks now performed by
8926 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8927 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8928 (emit_local, emit_bss, emit_common): ...these new functions.
8929 Return true if the alignment was honored.
8930 (emit_tls_common): New function.
8931 (asm_emit_uninitialised): Delete.
8932 (assemble_variable_noswitch): New function, split out from...
8933 (assemble_variable): ...here. Don't make decisions about common
8934 variables here. Globalize all public decls that go into non-common
8935 sections. Check whether SYMBOL_REF_BLOCK is null.
8936 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8937 (output_constant_pool): Likewise.
8938 (init_varasm_once): Initialize the new section variables.
8939 (have_global_bss_p): New function.
8940 (categorize_decl_for_section): Use bss_initializer_p.
8941 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8942 (place_block_symbol): Assert that the symbol must be in a block.
8943 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8944 (TARGET_INITIALIZER): Include it.
8945 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8946 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8947 (SECTION_MACH_DEP): Bump by two.
8948 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8949 (unnamed_section): Mention SECTION_UNNAMED in comment.
8950 (named_section): Likewise SECTION_NAMED.
8951 (noswitch_section_callback): New type.
8952 (noswitch_section): New structure.
8953 (section): Add a noswitch_section alternative.
8954 (SECTION_STYLE): New macro.
8955 (tls_comm_section, comm_section, lcomm_section): Declare.
8956 (bss_noswitch_section, have_global_bss_p): Declare.
8957 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8958 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8960 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8961 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8964 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8966 * tree-vrp.c (execute_vrp): Return value.
8967 * regrename.c (rest_of_handle_regrename): Ditto.
8968 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8969 * tree-complex.c (tree_lower_complex): Ditto.
8970 (tree_lower_complex_O0): Ditto.
8971 * tracer.c (rest_of_handle_tracer): Ditto.
8972 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8973 * postreload.c (rest_of_handle_postreload): Ditto.
8974 * tree-tailcall.c (execute_tail_recursion): Ditto.
8975 (execute_tail_calls): Ditto.
8976 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8977 * tree.h (init_function_for_compilation): Ditto.
8978 * ipa-cp.c (ipcp_driver): Ditto.
8979 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8980 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8981 * final.c (compute_alignments): Ditto.
8982 (rest_of_handle_final): Ditto.
8983 (rest_of_handle_shorten_branches): Ditto.
8984 (rest_of_clean_state): Ditto.
8985 * omp-low.c (execute_expand_omp): Ditto.
8986 (execute_lower_omp): Ditto.
8987 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8988 * ipa-reference.c (static_execute): Ditto.
8989 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8990 * reorg.c (rest_of_handle_delay_slots): Ditto.
8991 (rest_of_handle_machine_reorg): Ditto.
8992 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8993 * flow.c (recompute_reg_usage): Ditto.
8994 (rest_of_handle_remove_death_notes): Ditto.
8995 (rest_of_handle_life): Ditto.
8996 (rest_of_handle_flow2): Ditto.
8997 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8998 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8999 (do_ssa_store_ccp): Ditto.
9000 (execute_fold_all_builtins): Ditto.
9001 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9002 * modulo-sched.c (rest_of_handle_sms): Ditto.
9003 * ipa-pure-const.c (static_execute): Ditto.
9004 * cse.c (rest_of_handle_cse): Ditto.
9005 (rest_of_handle_cse2): Ditto.
9006 * web.c (rest_of_handle_web): Ditto.
9007 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9008 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9009 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9010 * tree-nrv.c (tree_nrv): Ditto.
9011 (execute_return_slot_opt): Ditto.
9012 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9013 (create_structure_vars): Ditto.
9014 * loop-init.c (rtl_loop_init): Ditto.
9015 (rtl_loop_done): Ditto.
9016 (rtl_move_loop_invariants): Ditto.
9017 (rtl_unswitch): Ditto.
9018 (rtl_unroll_and_peel_loops): Ditto.
9019 (rtl_doloop): Ditto.
9020 * gimple-low.c (lower_function_body): Ditto.
9021 (mark_used_blocks): Ditto.
9022 * tree-ssa-sink.c (execute_sink_code): Ditto.
9023 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9024 (cgraph_early_inlining): Ditto.
9025 * global.c (rest_of_handle_global_alloc): Ditto.
9026 * jump.c (cleanup_barriers): Ditto.
9027 (purge_line_number_notes): Ditto.
9028 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9029 (rest_of_handle_if_after_reload): Ditto.
9030 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9031 (tree_ssa_loop_im): Ditto.
9032 (tree_ssa_loop_unswitch): Ditto.
9033 (tree_vectorize): Ditto.
9034 (tree_linear_transform): Ditto.
9035 (tree_ssa_loop_ivcanon): Ditto.
9036 (tree_ssa_empty_loop): Ditto.
9037 (tree_ssa_loop_bounds): Ditto.
9038 (tree_complete_unroll): Ditto.
9039 (tree_ssa_loop_prefetch): Ditto.
9040 (tree_ssa_loop_ivopts): Ditto.
9041 (tree_ssa_loop_done): Ditto.
9042 * predict.c (tree_estimate_probability): Ditto.
9043 * recog.c (split_all_insns_noflow): Ditto.
9044 (rest_of_handle_peephole2): Ditto.
9045 (rest_of_handle_split_all_insns): Ditto.
9046 * tree-eh.c (lower_eh_constructs): Ditto.
9047 * regmove.c (rest_of_handle_regmove): Ditto.
9048 (rest_of_handle_stack_adjustments): Ditto.
9049 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9050 * function.c (instantiate_virtual_regs): Ditto.
9051 (init_function_for_compilation): Ditto.
9052 (rest_of_handle_check_leaf_regs): Ditto.
9053 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9054 (rest_of_handle_gcse): Ditto.
9055 * ipa-type-escape.c (type_escape_execute): Ditto.
9056 * alias.c (rest_of_handle_cfg): Ditto.
9057 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9058 * profile.c (rest_of_handle_branch_prob): Ditto.
9059 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9060 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9061 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9062 * tree-dfa.c (find_referenced_vars): Ditto.
9063 * except.c (set_nothrow_function_flags): Ditto.
9064 (convert_to_eh_region_ranges): Ditto.
9065 (rest_of_handle_eh): Ditto.
9066 * emit-rtl.c (unshare_all_rtl): Ditto.
9067 (remove_unnecessary_notes): Ditto.
9068 * except.h (set_nothrow_function_flags): Ditto.
9069 (convert_to_eh_region_ranges): Ditto.
9070 * cfgexpand.c (tree_expand_cfg): Ditto.
9071 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9072 * tree-ssa-pre.c (do_pre): Ditto.
9073 (execute_fre): Ditto.
9074 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9075 (rest_of_handle_jump2): Ditto.
9076 * tree-sra.c (tree_sra): Ditto.
9077 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9078 (execute_mudflap_function_decls): Ditto.
9079 * tree-ssa-copy.c (do_copy_prop): Ditto.
9080 (do_store_copy_prop): Ditto.
9081 * ipa-prop.h (ipcp_driver): Ditto.
9082 * cfglayout.c (insn_locators_initialize): Ditto.
9083 * tree-ssa-forwprop.c
9084 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9085 * cfglayout.h (insn_locators_initialize): Ditto.
9086 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9087 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9088 (execute_late_warn_uninitialized): Ditto.
9089 * rtl.h (cleanup_barriers): Ditto.
9090 (split_all_insns_noflow): Ditto.
9091 (purge_line_number_notes): Ditto.
9092 (unshare_all_rtl): Ditto.
9093 (remove_unnecessary_notes): Ditto.
9094 (recompute_reg_usage): Ditto.
9095 (variable_tracking_main): Ditto.
9096 * integrate.c (emit_initial_value_sets): Ditto.
9097 * integrate.h (emit_initial_value_sets): Ditto.
9098 * tree-optimize.c (execute_free_datastructures): Ditto
9099 (execute_free_cfg_annotations): Ditto.
9100 (execute_fixup_cfg): Ditto.
9101 (execute_cleanup_cfg_pre_ipa): Ditto.
9102 (execute_cleanup_cfg_post_optimizing): Ditto.
9103 (execute_init_datastructures): Ditto.
9104 * tree-object-size.c (compute_object_sizes): Ditto.
9105 * combine.c (rest_of_handle_combine): Ditto.
9106 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9107 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9108 (rest_of_handle_reorder_blocks): Ditto.
9109 (rest_of_handle_partition_blocks): Ditto.
9110 * var-tracking.c (variable_tracking_main): Ditto.
9111 * tree-profile.c (tree_profiling): Ditto.
9112 * tree-vect-generic.c (expand_vector_operations): Ditto.
9113 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9114 * sched-rgn.c (rest_of_handle_sched): Ditto.
9115 (rest_of_handle_sched2): Ditto.
9116 * basic-block.h (free_bb_insn): Ditto.
9117 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9118 * tree-cfg.c (execute_build_cfg): Ditto.
9119 (remove_useless_stmts): Ditto.
9120 (split_critical_edges): Ditto.
9121 (execute_warn_function_return): Ditto.
9122 (execute_warn_function_noreturn): Ditto.
9123 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9124 * cfgrtl.c (free_bb_for_insn): Ditto.
9125 * passes.c (execute_one_pass): Run additional
9126 todos returned by execute function.
9127 * tree-pass.h (struct tree_opt_pass): Make execute
9130 2006-03-02 Richard Guenther <rguenther@suse.de>
9132 * tree-ssa-alias.c (find_used_portions): Consider taking
9133 the address as making the variable not write-only.
9135 2006-03-02 Nick Clifton <nickc@redhat.com>
9137 * config.gcc (default_use_cxa_atexit): Extend the description of
9138 this configure variable. Set its default value to "yes" for
9139 Linux, NetBSD and ELF targets on the assumption that they will
9140 use C libraries with the __cxa_atexit function.
9142 2006-03-02 Ben Elliston <bje@au.ibm.com>
9144 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9145 parameter as unused to suppress a build warning.
9147 2006-03-02 Ben Elliston <bje@au.ibm.com>
9149 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9152 2006-03-01 Roger Sayle <roger@eyesopen.com>
9155 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9156 declared name, the weak reference name, and the typeof name.
9157 (__gthrw): Avoid expanding the declared name suffix.
9158 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9160 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9162 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9164 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9165 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9166 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9167 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9168 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9169 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9170 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9171 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9172 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9173 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9174 (DW_END_default, DW_END_big, DW_END_little): New.
9175 (DW_END_lo_user, DW_END_hi_user): Define.
9176 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9177 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9178 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9181 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9183 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9185 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9187 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9189 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9191 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9192 to 'symbol_mem_tag'.
9194 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9197 2006-03-01 Roger Sayle <roger@eyesopen.com>
9199 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9201 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9204 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9205 MACHO_DYNAMIC_NO_PIC_P.
9206 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9208 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9211 * config/darwin-protos.h (darwin_asm_output_anchor):
9213 * config/darwin-sections.def (cstring_section):
9214 Add SECTION_MERGE to the flags.
9215 (literal4_section): Likewise.
9216 (literal8_section): Likewise.
9217 (objc_selector_refs_section): Likewise.
9218 (objc_cls_refs_section): Likewise.
9219 * config/darwin.c (darwin_asm_output_anchor): New
9221 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9223 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9225 Fix PR tree-optimization/26443
9226 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9227 to todo and PROP_tmt_usage to properties_destroyed.
9228 * tree-ssa-ccp.c (pass_ccp): Ditto.
9229 (pass_store_ccp): Ditto.
9230 * tree-ssa-dom.c (pass_dominator): Ditto.
9232 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9234 * tree-ssa-operands.c: Cleanup whitespace.
9235 (get_asm_expr_operands): Move before first invocation.
9236 (get_indirect_ref_operands): Likewise.
9237 (get_tmr_operands): Likewise.
9238 (get_call_expr_operands): Likewise.
9239 (append_def): Likewise.
9240 (append_use): Likewise.
9241 (append_v_may_def): Likewise.
9242 (append_v_must_def): Likewise.
9243 (add_call_clobber_ops): Likewise.
9244 (add_call_read_ops): Likewise.
9245 (add_stmt_operand): Likewise.
9246 (add_virtual_operand): Likewise.
9247 (build_ssa_operands): Likewise.
9249 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9254 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9255 with a call expr to ...
9256 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9258 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9260 * tree-vrp.c (extract_range_from_assert): Remove special
9261 handling for types with super-types.
9263 2006-03-01 Ben Elliston <bje@au.ibm.com>
9265 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9266 and powerpc64-*-linux* configurations.
9267 * config/t-dfprules: New file.
9269 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9270 Compile dfp-bit.c from the source directory using -DWIDTH and
9271 $DFP_CFLAGS to control the compilation of that file, rather than
9272 generating width-specific versions in the build directory.
9273 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9274 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9276 2006-02-28 Zack Weinberg <zackw@panix.com>
9278 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9281 2006-02-28 Eric Christopher <echristo@apple.com>
9283 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9284 Set up IN_LIBGCC definition of TARGET_64BIT.
9285 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9287 2006-02-28 Roger Sayle <roger@eyesopen.com>
9290 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9291 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9292 cases via the construction of "expr != 0".
9294 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9296 * alias.c (alias_invariant, alias_invariant_size): Remove.
9297 (record_base_value): Remove.
9298 (memrefs_conflict_p): Don't look at alias_invariant.
9299 (end_alias_analysis): Don't free it.
9300 * alias.h (record_base_value): Remove prototype.
9302 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9303 Adam Nemet <anemet@caviumnetworks.com>
9305 * rtl.h (truncated_to_mode): Declare it.
9306 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9307 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9308 (RTL_HOOKS_INITIALIZER): Include it.
9309 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9310 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9311 reg_truncated_to_mode.
9312 * rtlanal.c (truncated_to_mode): Define it.
9313 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9315 2006-02-28 Jeff Law <law@redhat.com>
9317 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9318 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9319 the range allowed by TYPE_PRECISION.
9321 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9323 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9325 PR tree-optimization/26419
9326 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9329 2006-02-27 Zack Weinberg <zackw@panix.com>
9331 * doc/md.texi: Fix typo in previous change.
9333 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9337 2006-02-27 Zack Weinberg <zackw@panix.com>
9339 * rtl.def (define_constraint, define_register_constraint)
9340 (define_memory_constraint, define_address_constraint): New MD forms.
9341 * gensupport.c (process_rtx): Put define_constraint etc on the
9343 * genpreds.c (process_define_predicate): Adjust comment. Validate
9344 the name, and call validate_exp to validate the expression.
9345 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9346 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9347 all callers changed.
9348 (validate_exp, needs_variable, struct constraint_data)
9349 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9350 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9351 (const_dbl_constraints, constraint_max_namelen)
9352 (have_register_constraints, have_memory_constraints)
9353 (have_address_constraints, have_address_constraints)
9354 (have_extra_constraints, have_const_int_constraints)
9355 (have_const_dbl_constraints, mangle, add_constraint)
9356 (process_define_constraint, process_define_register_constraint)
9357 (write_enum_constraint_num, write_lookup_constraint)
9358 (write_insn_constraint_len, write_regclass_for_constraint)
9359 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9360 (write_insn_extra_memory_constraint)
9361 (write_insn_extra_address_constraint)
9362 (write_satisfies_constraint_fns): New.
9363 (write_tm_preds_h): If we have new-style constraint definitions,
9364 prototype the functions generated from them, and define the
9365 old constraint interface (still used by generic code) in terms of
9367 (write_insn_preds_c): If we have new-style constraint definitions,
9368 generate all relevant functions from those definitions.
9369 (main): Handle define_constraint etc.
9370 * genoutput.c (struct constraint_data, indep_constraints)
9371 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9372 (mdep_constraint_len): New data structures and functions, defined
9373 #ifdef USE_MD_CONSTRAINTS.
9374 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9375 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9376 use new logic to validate operand constraints against constraint
9378 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9380 * defaults.h: If none of the old-style constraint macros are
9381 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9382 old-style macros; and poison REG_CLASS_FROM_LETTER,
9383 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9385 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9386 * doc/md.texi: Document new constraint-definition mechanism and the
9387 C interface it provides. Remove references to old mechanism
9388 elsewhere in the document.
9389 (Machine Constraints): Use pathnames relative to gcc directory,
9390 i.e. config/ARCH/FILE. Change i386 section to refer to
9391 config/i386/predicates.md; update that section to match docstrings.
9392 * doc/tm.texi: Move all documentation of the old constraint-
9393 definition macros to their own section, clearly mark as obsolete.
9395 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9396 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9398 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9399 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9400 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9402 (splits and peepholes): Use satisfies_constraint_*.
9403 * config/i386/i386.c (memory_address_length)
9404 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9406 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9408 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9409 scalar operation to be put back into the loop.
9411 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9414 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9415 (extract_cie_info): Handle S flag in augmentation string.
9416 (execute_cfa_program): If context->signal_frame, execute also
9417 fs->pc == context->ra instructions.
9418 (uw_frame_state_for): If context->signal_frame, don't subtract one
9419 from context->ra to find FDE.
9420 (uw_update_context_1): Set context->signal_frame to
9422 (_Unwind_GetIPInfo): New function.
9423 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9424 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9426 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9427 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9428 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9429 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9430 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9431 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9432 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9433 x86_64_fallback_frame_state): Set fs->signal_frame.
9434 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9435 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9436 (frob_update_context): Likewise. Workaround missing S flag in
9437 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9438 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9439 Remove the psw_addr + 1 hack.
9441 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9443 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9444 with aggregates here.
9445 (find_func_aliases): Remove code for &<aggregate> from here.
9447 2006-02-26 Roger Sayle <roger@eyesopen.com>
9449 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9450 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9451 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9454 2006-02-26 Roger Sayle <roger@eyesopen.com>
9457 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9459 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9461 * opts.c (decode_options): Do not handle flag_strength_reduce.
9462 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9463 and OPT_fstrength_reduce.
9464 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9465 flag_prefetch_loop_arrays for being nonzero.
9466 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9468 (fprefetch-loop-arrays-rtl): Removed.
9469 (flag_prefetch_loop_arrays): Do not specify the value.
9471 * doc/passes.texi: Update documentation of loop optimizer
9473 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9474 -frerun-loop-opt): Remove.
9476 2006-02-26 Richard Guenther <rguenther@suse.de>
9478 PR tree-optimization/26421
9479 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9480 in function calls that are ADDR_EXPRs as using the whole structure.
9482 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9484 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9485 * tree-pass.h (pass_loop_optimize): Remove.
9486 * passes.c (pass_loop_optimize): Never run it.
9487 * toplev.c (backend_init): Don't call init_loop.
9488 * opts.c (flag_loop_optimize_set): Remove.
9489 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9490 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9491 the old RTL loop optimizer when profiling enabled.
9492 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9493 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9494 pre-headers for the sake of the old RTL loop optimizer.
9495 * Makefile.in: Remove all references to loop.o.
9497 * doc/invoke.texi: Remove all references to -floop-optimize
9498 and -frerun-loop-opt.
9500 2006-02-26 Zack Weinberg <zackw@panix.com>
9502 * doc/md.texi (Machine Constraints): Refer to all files with paths
9503 relative to gcc directory (i.e. config/CPU/file). Add missing
9504 @table @code ... @end table to M32C subsection.
9506 2006-02-26 Roger Sayle <roger@eyesopen.com>
9508 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9510 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9512 2006-02-26 Roger Sayle <roger@eyesopen.com>
9513 James A. Morrison <phython@gcc.gnu.org>
9516 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9517 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9518 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9519 signedness of the shift operation.
9521 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9523 PR tree-optimization/26359
9524 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9526 2006-02-25 Roger Sayle <roger@eyesopen.com>
9528 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9529 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9530 as X == 0, and some symmetry related transformations.
9531 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9533 2006-02-25 Roger Sayle <roger@eyesopen.com>
9536 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9537 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9538 symmetry related transformations. Fold (X^C1) == C2 as
9541 2006-02-25 Juergen Weigert <jw@suse.de>
9542 Richard Guenther <rguenther@suse.de>
9544 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9546 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9548 * combine.c (gen_lowpart_or_truncate): Call
9549 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9551 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9553 * doc/invoke.texi: Move -fopenmp description to "Options for
9555 Remove reference to -lgomp.
9557 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9559 * doc/install.texi: Require GNU tar version 1.14.
9561 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9563 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9564 * doc/invoke.texi (C++ Dialect Options): Document
9565 -fno-use-cxa-get-exception-ptr.
9566 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9567 * configure: Regenerate.
9568 * c.opt (fuse-cxa-get-exception-ptr): New.
9569 * c-opts.c (c_common_handle_option): Handle
9570 OPT_fuse_cxa_get_exception_ptr.
9571 * c-common.c (flag_use_cxa_atexit): Update documentation.
9572 (flag_use_cxa_get_exception_ptr): New.
9573 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9574 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9576 (C_COMMON_OVERRIDE_OPTIONS): New.
9578 2006-02-24 Roger Sayle <roger@eyesopen.com>
9581 * combine.c (try_combine): Explicitly check whether GET_CODE is
9582 a SET or a CLOBBER, instead on checking that it isn't a USE.
9584 2006-02-24 Roger Sayle <roger@eyesopen.com>
9586 * fold-const.c (fold_comparison): New subroutine of fold_binary
9587 containing transformations common to both the equality and
9588 ordering relational operators, factored out of fold_binary.
9589 (fold_binary): Separate out the equality operators (EQ_EXPR
9590 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9591 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9592 transformations common to both.
9593 (fold_div_compare): Fix latent bugs in the previously unreachable
9594 LT_EXPR and GE_EXPR cases.
9596 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9598 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9599 decl libname for clog to __clog on AIX.
9601 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9603 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9606 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9607 output traceback table for thunks. Localise rs6000_stack_info call.
9609 2006-02-23 Roger Sayle <roger@eyesopen.com>
9610 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9612 * gthr-posix.h (__gthrw): Fix typo in comment.
9614 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9616 * doc/cpp.texi (Character sets): Document that we do support
9617 input files to be in any character set.
9619 2006-02-23 Jeff Law <law@redhat.com>
9621 * tree.h (PHI_ARG_NONZERO): Remove.
9622 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9623 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9624 node to the new node.
9626 PR tree-optimization/26425
9627 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9628 min/max, then assume its varying.
9630 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9632 PR rtl-optimization/26316
9633 * rtlanal.c (enum may_trap_p_flags): New.
9634 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9635 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9636 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9637 (may_trap_after_code_motion_p): New function.
9638 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9639 (find_invariant_insn): Use may_trap_after_code_motion_p.
9640 * rtl.h (may_trap_after_code_motion_p): Declare.
9642 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9644 * emit-rtl.c (immed_double_const): Cleanup.
9646 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9648 Fix PR tree-optimization/26376
9649 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9652 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9655 * gimplify.c (omp_add_variable): Guard variable size decl test with
9656 DECL_SIZE (decl) check.
9658 2006-02-23 Richard Guenther <rguenther@suse.de>
9661 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9662 like aggregate types.
9664 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9666 * configure.ac: Add --with{,out}-long-double-128 configure option.
9667 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9668 * configure: Rebuilt.
9669 * config.in: Rebuilt.
9670 * doc/install.texi (Options specification): Document
9671 --with-long-double-128.
9673 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9674 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9675 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9676 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9678 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9680 * config/s390/s390.c (override_options): Handle
9681 TARGET_DEFAULT_LONG_DOUBLE_128.
9683 * config/alpha/alpha.c (override_options): Handle
9684 TARGET_DEFAULT_LONG_DOUBLE_128.
9686 * config/sparc/sparc.c (sparc_override_options): Handle
9687 TARGET_DEFAULT_LONG_DOUBLE_128.
9689 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9691 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9692 (real-install-headers-tar, real-install-headers-cpio)
9693 (real-install-headers-cp): New targets.
9695 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9697 * tree.h (variable_section): Delete.
9698 * varasm.c (variable_section): Delete.
9700 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9702 * install.texi: Add notes on install.texi2html.
9703 (Building in parallel): Do not use footnotes.
9705 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9708 * doc/install.texi (Configuration): Document --disable-libgomp.
9710 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9712 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9714 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9716 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9717 (vec_extractv2df_0_sse): New.
9719 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9721 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9722 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9723 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9724 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9725 to the result of the expression.
9726 (def_cfa_1): Adjust.
9727 (frame_pointer_cfa_offset): Rename to...
9728 (frame_pointer_fb_offset): ... this. Adjust all uses.
9729 (convert_cfa_to_loc_list): Rename to...
9730 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9731 Pass it on to build_cfa_loc.
9732 (compute_frame_pointer_to_cfa_displacement): Rename to...
9733 (compute_frame_pointer_to_fb_displacement): ... this. New
9734 offset parameter. Use it in computation.
9735 (gen_subprogram_die): Compute cfa_fb_offset with the new
9736 macro, and use it to compute the fb loc list and the
9739 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9741 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9742 replaced with register_operand.
9743 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9744 non-DREG is expensive.
9745 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9746 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9749 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9751 * doc/install.texi2html: Use set -e.
9753 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9755 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9756 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9757 * doc/invoke.texi (-fshared-data): Delete.
9758 * common.opt (fshared-data): Delete.
9759 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9760 (assemble_static_space): Remove #if 0 code.
9761 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9762 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9763 * config/cris/cris.h: Remove FIXME.
9765 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9767 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9770 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9773 * combine.c (simplify_shift_const_1): Disable nested shifts
9774 optimization for vector shifts.
9776 2006-02-20 Roger Sayle <roger@eyesopen.com>
9778 PR tree-optimization/26361
9779 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9780 of unsigned integer types.
9782 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9784 * tree-chrec.c (eq_evolutions_p): New.
9785 * tree-chrec.h (eq_evolutions_p): Declared.
9786 * tree-data-ref.c: Fix formatting.
9787 (datadep_stats, dependence_stats): New.
9789 (print_direction_vector): New.
9790 (dump_data_dependence_relation): Use print_direction_vector.
9791 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9792 (compute_subscript_distance): Static.
9793 (initialize_data_dependence_relation): Static. Get the number
9794 of loops surrounding the references from the callers, and initialize
9795 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9796 base_object_differ_p analyzers.
9797 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9798 compute_overlap_steps_for_affine_1_2,
9799 analyze_subscript_affine_affine): Count the classified dependences.
9800 Print a message when a test failed.
9801 (can_use_analyze_subscript_affine_affine): New.
9802 (analyze_siv_subscript): Compute the data dependences on symbolic
9803 scevs that verify can_use_analyze_subscript_affine_affine.
9804 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9805 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9806 Handle symbolic scevs.
9807 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9809 (subscript_dependence_tester): Moved...
9810 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9811 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9812 DDR_SIZE_VECT instead of getting it in parameter.
9813 (subscript_dependence_tester): ... here. Take as a parameter
9814 loop_nest_depth. Call build_classic_dist_vector and
9815 build_classic_dir_vector.
9816 (compute_affine_dependence): Update subscript_dependence_tester
9817 parameters. Update datadep_stats counters. Call
9818 compute_subscript_distance.
9819 (compute_self_dependence): Save the dist and dir vectors. Call
9820 compute_subscript_distance.
9821 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9822 (compute_all_dependences): Reorder parameters as they were before
9823 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9824 compute_subscript_distance. Update the use of
9825 compute_affine_dependence and initialize_data_dependence_relation.
9826 (find_data_references_in_loop): Handle COMPONENT_REF.
9827 (compute_data_dependences_for_loop): Initialize dependence_stats.
9828 Don't call build_classic_dist_vector and build_classic_dir_vector.
9829 Update the parameters of initialize_data_dependence_relation and
9830 compute_all_dependences. Print the statistics from datadep_stats.
9831 (analyze_all_data_dependences): Static. Not used until the pass for
9832 checking the data dependences is contributed.
9833 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9834 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9835 (initialize_data_dependence_relation, compute_affine_dependence,
9836 analyze_all_data_dependences, compute_subscript_distance): Removed.
9837 (print_direction_vector): New.
9838 * lambda.h (gcd): ... here.
9839 (lambda_vector_gcd): Moved here from gcd_vector.
9840 * lambda-code.c (gcd, gcd_vector): Removed.
9841 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9842 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9844 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9846 * ipa-type-escape.c: Tidy some comments and white space.
9847 * tree-ssa-operands.c: Likewise.
9849 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9852 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9853 (dump_decl_name): Do not walk the decl tree chains.
9854 * tree-pass.h (TDF_CHAIN): Remove.
9856 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9858 * Makefile.in (C): Remove
9860 (.PHONY): Remove C and PROTO
9862 2006-02-20 Roger Sayle <roger@eyesopen.com>
9865 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9866 deprecated CHAR_TYPE tree code.
9868 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9870 * configure.ac (target_list): Add install-info, dvi, html.
9871 * configure: Regenerate.
9873 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9874 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9875 treelang/Make-lang.in: Do not use double-colon rules.
9877 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9879 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9880 (TMT_USED_ALONE): New macro.
9881 * tree-pass.h (PROP_tmt_usage): New property.
9882 (TODO_update_tmt_usage): New todo.
9883 * tree-ssa-alias.c (updating_used_alone): New variable.
9884 (recalculate_used_alone): New function.
9885 (compute_may_aliases): Set updating_used_alone, call
9886 recalculate_used_alone.
9887 * tree-sra.c (pass_sra): Note that this pass destroys
9888 PROP_tmt_usage, and add TODO_update_tmt_usage.
9889 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9890 * tree-flow.h (updating_used_alone): Prototype.
9891 (recalculate_used_alone): Ditto.
9892 * passes.c (execute_todo): Add code to set updating_used_alone,
9893 and call recalculate.
9894 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9895 for clobber if used alone, and add assert to verify used_alone
9898 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9900 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9901 for non tls symbols added.
9902 (legitimize_address): Do nothing for PLUS expressions if one of the
9903 addends is a tls symbol reference.
9905 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9909 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9911 * Makefile.in (BOOTSTRAPPING): New.
9912 (quickstrap): New definition if BOOTSTRAPPING=yes.
9914 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9915 * configure.ac: Substitute all_selected_languages with the languages
9916 that were configured. For all the other variables except
9917 lang_specs_files, include all the languages in the tree.
9918 * configure: Regenerate.
9920 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9921 if there is one. Run the commands to run fixincludes in the same
9924 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9925 * doc/install.texi: Document exact conventions for searching target tools.
9926 Document --with-build-time-tools. Document toplevel bootstrap. Document
9927 something more about building an Ada cross-compiler. Don't list GNU Make
9928 requirements which affect all platforms.
9930 2006-02-19 Roger Sayle <roger@eyesopen.com>
9933 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9934 only equivalent if the have both the same mode and precision.
9936 2006-02-20 Ben Elliston <bje@au.ibm.com>
9938 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9940 2006-02-19 Roger Sayle <roger@eyesopen.com>
9941 Steven Bosscher <stevenb.gcc@gmail.com>
9943 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9944 constant pool references to identify stack mode constants.
9945 * rtlanal.c (constant_pool_constant_p): New predicate to check
9946 whether operand is a floating point constant in the pool.
9947 * rtl.h (constant_pool_constant_p): Prototype here.
9948 * loop.c (scan_loop): Avoid hoisting constants from the constant
9949 pool on STACK_REGS targets.
9950 (load_mems): Likewise.
9951 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9952 loads into x87 registers expensive in terms of register pressure.
9954 2006-02-19 Roger Sayle <roger@eyesopen.com>
9956 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9957 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9959 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9961 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9962 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9964 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9966 * doc/invoke.texi: Document -fipa-pta.
9967 * common.opt: Add ipa-pta option.
9968 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9969 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9970 (do_ds_constraint): Ditto.
9971 (get_constraint_for): Only add to referenced_vars if
9972 referenced_vars exists.
9973 (insert_into_field_list): Rewrite to do this unsorted.
9974 (insert_into_field_list_sorted): Rename old insert_into_field_list
9976 (create_function_info_for): Use insert_into_field_list_sorted.
9977 (create_variable_info_for): Rewrite so it uses unsorted version,
9978 since the field list is sorted.
9979 (intra_create_variable_infos): Only add to referenced_vars if
9980 referenced_vars exists.
9981 (ipa_pta_execute): Init heapvars, and delete when done.
9982 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9984 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9986 * doc/install.texi: Add missing `@samp'.
9988 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9990 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9993 2006-02-18 Mark Wielaard <mark@klomp.org>
9995 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9996 who added new 4.1 features, bug fixes and integration support.
9998 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10001 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10002 MEM for ABI_V4 pic.
10004 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10006 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10007 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10008 (copy_insn_1): Likewise. Don't copy each field individually.
10010 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10012 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10013 * rtl.c (rtx_size): Rename variable to...
10014 (rtx_code_size): ...this.
10015 (rtx_size): New function.
10016 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10017 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10019 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10020 * rtl.h (rtx_code_size): New variable.
10021 (rtx_size): Change from a variable to a function.
10022 (RTX_SIZE): Rename to...
10023 (RTX_CODE_SIZE): ...this.
10026 PR tree-optimization/17106
10027 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10028 (Anchored Addresses): New section.
10029 * doc/invoke.texi (-fsection-anchors): Document.
10030 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10031 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10032 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10033 * hooks.c (hook_bool_mode_rtx_false): New function.
10034 * hooks.h (hook_bool_mode_rtx_false): Declare.
10035 * gengtype.c (create_optional_field): New function.
10036 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10037 SYMBOL_REF_IN_BLOCK_P is true.
10038 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10039 (min_anchor_offset, max_anchor_offset): Likewise.
10040 (use_anchors_for_symbol_p): New hook.
10041 * toplev.c (compile_file): Call output_object_blocks.
10042 (target_supports_section_anchors_p): New function.
10043 (process_options): Check that -fsection-anchors is only used on
10044 targets that support it and when -funit-at-a-time is in effect.
10045 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10046 if the decl doesn't have one.
10047 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10048 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10049 of force_const_mem through use_anchored_address.
10050 (expand_expr_constant): New function.
10051 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10052 calling expand_expr for INDIRECT_REF.
10053 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10054 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10055 * expr.h (use_anchored_address): Declare.
10056 * loop-unroll.c: Don't declare rtx vectors here.
10057 * explow.c: Include output.h.
10058 (validize_mem): Call use_anchored_address.
10059 (use_anchored_address): New function.
10060 * common.opt (-fsection-anchors): New switch.
10061 * varasm.c (object_block_htab, anchor_labelno): New variables.
10062 (hash_section, object_block_entry_eq, object_block_entry_hash)
10063 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10064 (use_blocks_for_decl_p, change_symbol_section): New functions.
10065 (get_variable_section): New function, split out from assemble_variable.
10066 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10067 use_blocks_for_decl_p say so. Use change_symbol_section if the
10068 symbol has already been created.
10069 (assemble_variable_contents): New function, split out from...
10070 (assemble_variable): ...here. Don't output any code for
10071 block symbols; just pass them to place_block_symbol.
10072 Use get_variable_section and assemble_variable_contents.
10073 (get_constant_alignment, get_constant_section, get_constant_size): New
10074 functions, split from output_constant_def_contents.
10075 (build_constant_desc): Create a block symbol if use_object_blocks_p
10076 says so. Or into SYMBOL_REF_FLAGS.
10077 (assemble_constant_contents): New function, split from...
10078 (output_constant_def_contents): ...here. Don't output any code
10079 for block symbols; just pass them to place_section_symbol.
10080 Use get_constant_section and get_constant_alignment.
10081 (force_const_mem): Create a block symbol if use_object_blocks_p and
10082 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10083 (output_constant_pool_1): Add an explicit alignment argument.
10084 Don't switch sections here.
10085 (output_constant_pool): Adjust call to output_constant_pool_1.
10086 Switch sections here instead. Don't output anything for block symbols;
10087 just pass them to place_block_symbol.
10088 (init_varasm_once): Initialize object_block_htab.
10089 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10090 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10091 (place_block_symbol, get_section_anchor, output_object_block)
10092 (output_object_block_htab, output_object_blocks): New functions.
10093 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10094 (TARGET_ASM_OUT): Include it.
10095 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10096 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10097 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10098 (TARGET_INITIALIZER): Include them.
10099 * rtl.c (rtl_check_failed_block_symbol): New function.
10100 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10101 (block_symbol, object_block): New structures.
10102 (rtx_def): Add a block_symbol field to the union.
10103 (BLOCK_SYMBOL_CHECK): New macro.
10104 (rtl_check_failed_block_symbol): Declare.
10105 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10106 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10107 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10108 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10109 * output.h (output_section_symbols): Declare.
10110 (object_block): Name structure.
10111 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10112 (default_use_anchors_for_symbol_p): Declare.
10113 * Makefile.in (RTL_BASE_H): Add vec.h.
10114 (explow.o): Depend on output.h.
10115 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10116 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10117 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10118 (rs6000_use_blocks_for_constant_p): New function.
10120 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10122 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10124 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10127 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10130 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10132 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10136 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10138 PR middle-end/26334
10139 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10140 instead of DECL_REGISTER.
10142 2006-02-18 Olivier Hainque <hainque@adacore.com>
10145 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10147 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10150 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10151 * opth-gen.awk: Handle Var and InverseMask together.
10152 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10153 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10154 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10155 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10157 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10158 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10159 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10160 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10161 LINUX_DYNAMIC_LINKER): Define.
10162 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10163 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10165 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10166 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10167 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10168 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10169 (TARGET_C99_FUNCTIONS): Don't define.
10170 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10171 GLIBC_DYNAMIC_LINKER.
10172 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10173 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10174 GLIBC_DYNAMIC_LINKER64): Define.
10175 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10176 LINUX_DYNAMIC_LINKER64.
10177 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10178 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10179 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10180 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10181 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10182 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10183 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10184 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10185 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10186 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10187 and LINUX_DYNAMIC_LINKER32.
10188 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10189 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10190 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10191 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10192 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10194 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10195 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10196 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10197 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10198 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10199 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10200 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10201 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10202 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10203 LINUX_DYNAMIC_LINKER): Define.
10204 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10205 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10206 GLIBC_DYNAMIC_LINKER64): Define.
10207 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10208 LINUX_DYNAMIC_LINKER64.
10209 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10210 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10211 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10212 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10213 LINUX_DYNAMIC_LINKER): Define.
10214 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10215 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10216 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10217 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10218 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10219 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10220 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10221 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10222 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10223 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10224 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10225 * doc/invoke.texi (-muclibc): Remove caveat about supported
10228 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10230 * doc/cpp.texi (__TIMESTAMP__): Document.
10232 2006-02-17 Roger Sayle <roger@eyesopen.com>
10234 PR middle-end/25600
10235 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10236 C is one less than the width of X (and related transformations).
10237 * simplify-rtx.c (simplify_unary_operation_1): Transform
10238 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10239 depending on STORE_FLAG_VALUE, were C is one less then the
10242 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10244 Fix PR tree-optimization/26341
10245 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10246 about NAME_MEMORY_TAG's.
10248 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10251 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10252 with hardware float support, and software float support. Add fcpy
10253 alternative to hardware patterns. Add alternatives to copy between
10254 general and floating-point registers to the 32-bit pattern.
10255 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10256 secondary reload to load a QI or HI mode constant into a floating
10258 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10259 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10261 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10264 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10266 (load_macho_picbase_di): Likewise.
10268 2006-02-16 Jeff Law <law@redhat.com>
10270 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10271 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10272 (ssa_name_nonzero_p): Likewise.
10273 (get_value_range): Return NULL if VRP is not running.
10274 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10275 VRP routines do not discover a range.
10276 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10277 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10278 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10279 (tree_expr_nonnegative_p): Similarly.
10280 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10281 (restore_nonzero_vars_to_original_value): Remove.
10282 (unsafe_associative_fp_binop): Remove.
10283 (tree_ssa_dominator_optimize): Remove initialization and
10284 finalization of nonzero_vars and nonzero_vars_stack.
10285 (dom_opt_initialize_block): No longer push marker on
10286 nonzero_vars_stack.
10287 (dom_opt_finalize_block): No longer call
10288 restore_nonzero_vars_to_original_value.
10289 (record_equivalences_from_phis): No longer look for
10290 nonzero PHI arguments.
10291 (cprop_into_successor_phis): No longer propagate nonzero
10292 property into PHI arguments. Lose unused argument. Caller
10294 (record_equivalences_from_stmt): No longer record nonzero
10295 values for SSA_NAMEs.
10296 (lookup_avail_expr): No longer use nonzero_vars.
10298 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10299 for sizetype when sizetype is unsigned.
10301 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10303 PR rtl-optimization/25603
10304 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10305 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10306 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10307 with new meaning of SETS.
10309 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10314 * config/linux.opt: New file.
10315 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10316 LINUX_DYNAMIC_LINKER): Define.
10317 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10318 * config.gcc (*-*-linux*): Define extra_options.
10319 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10320 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10321 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10322 GLIBC_DYNAMIC_LINKER.
10323 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10324 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10325 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10326 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10327 * doc/invoke.texi (GNU/Linux Options): New section.
10329 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10331 * config/sparc/sparc.md (setjmp): Rewrite.
10332 (setjmp_32): Delete.
10333 (setjmp_64): Likewise.
10335 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10337 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10340 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10342 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10345 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10347 PR rtl-optimization/26296
10348 * Makefile.in (loop-invariant.c): Add except.h dependency.
10349 * loop-invariant.c: Include except.h.
10350 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10352 2005-02-16 Paul Brook <paul@codesourcery.com>
10354 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10357 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10359 PR rtl-optimization/25636
10360 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10361 when deciding whether an insn is an initializing insn.
10363 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10365 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10366 (tree_code_size): Ditto.
10367 * tree.h (struct tree_memory_tag): Remove parent_var.
10368 (struct tree_struct_field_tag): New.
10371 (union tree_node): Add sft member.
10372 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10374 (create_sft): Add size and offset argument, set SFT_OFFSET and
10376 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10377 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10378 * tree-flow-inline.h (get_subvar_at): Update for
10379 SFT_OFFSET/SFT_SIZE.
10380 (var_can_have_subvars): Ditto.
10381 (overlap_subvar): Ditto.
10382 * print-tree.c (print_node): Print out interesting things for
10384 * tree-flow.h (struct subvar): Remove offset and size members.
10385 * tree-ssa-operands.c (get_expr_operands): Update for
10386 get_indirect_ref_operands changes.
10387 (get_indirect_ref_operands): Call add_virtual_operand instead of
10388 add_stmt_operand. Only recurse on base var if requested.
10389 (access_can_touch_variable): New function.
10390 (add_stmt_operand): Split virtual operand handling into ...
10391 (add_virtual_operand): Here. Add offset, size, and for_clobber
10392 arguments. Prune alias sets.
10393 (add_call_clobber_ops): Call add_virtual_operand.
10395 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10397 PR middle-end/26300
10398 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10400 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10401 than TREE_CODE as index into omp_clause_num_ops array.
10403 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10405 PR rtl-optimization/26184
10406 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10408 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10409 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10410 must_precede, must_follow and tobe_scheduled.
10413 * opts.c (common_handle_option): Free new_option pointer.
10414 * df-core.c (df_analyze): Free postorder pointer.
10416 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10418 * Makefile.in: Fix the examples about the use of stamps
10420 2006-02-15 Michael Matz <matz@suse.de>
10422 PR middle-end/22275
10424 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10425 influenced by maximum_field_alignment or DECL_PACKED.
10426 (update_alignment_for_field): Ditto.
10427 (place_field): Ditto.
10428 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10431 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10433 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10434 (debug_flow_info): Pass it.
10435 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10436 * bb-reorder.c (reorder_basic_blocks): Likewise.
10437 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10438 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10439 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10440 * gcse.c (gcse_main, bypass_jumps): Likewise.
10441 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10442 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10443 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10444 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10445 * rtl.h (dump_flow_info): Adjust prototype.
10446 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10447 * var-tracking.c (variable_tracking_main): Likewise.
10448 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10449 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10452 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10454 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10457 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10459 PR tree-optimization/26209
10460 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10461 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10463 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10465 2006-02-14 Roger Sayle <roger@eyesopen.com>
10467 PR middle-end/23670
10468 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10469 (X,Y) and the corresponding symmetry related transformations.
10470 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10471 (X,Y) and its symmetry related transformations.
10473 2006-02-14 Roger Sayle <roger@eyesopen.com>
10475 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10478 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10480 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10482 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10485 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10486 support COMDAT group.
10487 * configure: Regenerate.
10489 2006-02-14 Roger Sayle <roger@eyesopen.com>
10491 PR middle-end/26279
10492 PR middle-end/26280
10493 PR middle-end/26283
10494 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10496 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10498 Fix PR tree-optimization/26260
10500 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10502 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10503 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10504 * tree-ssa-structalias.c (create_variable_info_for): Use
10505 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10507 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10509 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10511 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10512 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10513 of the ending condition.
10514 * tree-ssa-loop-manip.c: Include params.h.
10515 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10516 tree_unroll_loop): New functions.
10517 * tree-pass.h (pass_loop_prefetch): Declare.
10518 * loop.c (rest_of_handle_loop_optimize): Test for
10519 -fprefetch-loop-arrays-rtl.
10520 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10521 * timevar.def (TV_TREE_PREFETCH): New timevar.
10522 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10523 pass_loop_prefetch): New.
10524 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10525 (cleanup_tree_cfg_loop): Call scev_reset.
10526 * common.opt (fprefetch-loop-arrays-rtl): Add.
10527 * tree-ssa-loop-prefetch.c: New file.
10528 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10529 (new_temp_expr_table): Initialize expr_vars.
10530 (free_temp_expr_table): Cleanup expr_vars.
10531 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10532 expressions from being merged into one.
10533 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10534 (struct tree_niter_desc): Add control, bound and cmp fields.
10535 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10537 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10538 (tree-cfgcleanup.o): Add SCEV_H dependency.
10539 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10540 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10542 2006-02-14 Richard Guenther <rguenther@suse.de>
10544 PR tree-optimization/26258
10545 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10546 in PHI argument processing.
10548 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10550 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10551 new expression in the requested machine mode.
10553 2006-02-13 Roger Sayle <roger@eyesopen.com>
10555 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10556 directly, instead let do_compare_rtx_and_jump handle this for us.
10557 * expr.c (expand_expr_real_1): Likewise.
10558 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10559 before do_jump_by_parts_greater.
10560 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10561 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10563 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10565 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10567 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10569 PR rtl-optimization/26235
10570 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10571 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10574 2006-02-13 Jeff Law <law@redhat.com>
10576 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10579 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10581 PR middle-end/26092
10582 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10583 twice if decl is a builtin. When trying again, call get_callee_fndecl
10584 first to verify it is still a builtin.
10586 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10588 * dwarf2out.c (base_type_die): Don't add AT_name here.
10589 (subrange_type_die): Don't add AT_name here.
10590 (modified_type_die): Rearrange code flow. Do add AT_name here.
10592 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10594 PR rtl-optimization/26247
10595 PR rtl-optimization/26248
10596 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10598 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10600 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10601 * config/fixtfdi.c: Likewise.
10602 * config/fixunstfdi.c: Likewise.
10603 * config/floatditf.c: Likewise.
10605 2006-02-13 Roger Sayle <roger@eyesopen.com>
10607 PR middle-end/24427
10608 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10609 into (X,C2) if C1 is a subset of the bits of C2. Transform
10610 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10612 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10614 2006-02-13 Josh Conner <jconner@apple.com>
10617 * varasm.c (function_section): Check for section name before
10618 calling select_section on targets that define
10619 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10620 unlikely_text_section instead of hot_function_section if
10621 first_function_block_is_cold.
10623 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10625 PR middle-end/25335
10626 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10628 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10630 PR rtl-optimization/26222
10631 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10632 after tree->rtl expansion.
10633 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10634 before passing it to emit_move_insn.
10636 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10638 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10640 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10641 Clarify documentation.
10642 * c-common.h (warn_write_strings): Remove.
10643 * c-common.c (warn_write_strings): Likewise.
10644 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10647 2006-02-12 Roger Sayle <roger@eyesopen.com>
10649 PR middle-end/25724
10650 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10651 (do_jump_parts_zero_rtx): New function renamed from
10652 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10653 (do_jump_parts_equality_rtx): New function split out from
10654 do_jump_parts_equality. Old implementation renamed as above.
10655 Call do_jump_parts_zero_rtx if either operand is zero.
10656 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10657 do all of the heavy lifting.
10658 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10659 calling either do_jump_by_parts_greater_rtx or
10660 do_jump_by_parts_equality_rtx.
10661 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10662 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10663 moved to do_compare_rtx_and_jump, call it directly.
10664 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10665 mode argument. Call do_compare_rtx_and_jump.
10666 (emit_case_nodes): Update calls to do_jump_if_equal.
10668 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10670 PR rtl-optimization/26225
10671 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10673 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10675 PR rtl-optimization/26232
10676 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10678 2006-02-11 Jason Merrill <jason@redhat.com>
10681 * tree-inline.c (declare_return_variable): Just don't use the
10682 modify target if it's a gimple complex reg and the return slot
10685 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10687 * doc/contrib.texi: Update my entry.
10689 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10691 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10693 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10695 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10698 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10700 * doc/invoke.texi (-floop-optimize2): Removed.
10701 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10702 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10703 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10704 * common.opt (floop-optimize2): Removed.
10705 (fmove-loop-invariants): Enabled by default.
10707 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10709 * tree-if-conv.c (combine_blocks): Free the result of
10710 get_loop_exit_edges.
10712 2006-02-10 Jeff Law <law@redhat.com>
10714 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10716 PR tree-optimization/26213
10717 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10718 loop trying to follow SSA_NAME_VALUE chains.
10720 2006-02-10 Richard Guenther <rguenther@suse.de>
10722 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10723 deal with structures that end in implicitly variable sized arrays.
10725 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10727 PR rtl-optimization/24762
10728 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10731 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10733 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10734 (struct ivopts_data): Add regs_used field.
10735 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10736 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10737 instead of loop_data->regs_used;
10738 (free_loop_data): Do not free aux fields for loops.
10739 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10740 and tree_ssa_iv_optimize_finalize.
10742 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10744 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10746 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10749 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10750 computing the effective result type.
10752 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10754 PR inline-asm/16194
10755 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10756 (tree_overlaps_hard_reg_set): Declare.
10757 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10758 type and signature to match function type expected by walk_tree.
10759 (tree_overlaps_hard_reg_set): New function.
10760 (decl_conflicts_with_clobbers_p): Rename to:
10761 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10762 Use tree_overlaps_hard_reg_set. Changed caller.
10763 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10764 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10765 * cris.c (cris_md_asm_clobbers): Likewise.
10767 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10769 * reload1.c (emit_input_reload_insns): Delete code that tries to
10770 inherit using find_equiv_reg.
10772 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10774 * c-common.h (flag_const_strings): Don't declare.
10775 * c-common.c (flag_const_strings): Remove.
10776 * c.opt (fconst_strings): Remove.
10777 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10778 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10779 (c_common_init_options): Don't set flag_const_strings.
10780 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10782 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10784 * arm.md (tlobits_cbranch): New pattern.
10785 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10786 testing a single bit.
10788 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10791 * tree-ssa-pre.c (create_component_ref_by_pieces):
10792 Handle RETURN_DECL like VAR_DECL.
10794 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10796 PR middle-end/26134
10797 * fold-const.c (fold_indirect_ref_1): Fold
10798 "*(foo *)&complexfoo" to "__real__ complexfoo"
10799 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10801 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10803 * tree-flow-inline.h (var_can_have_subvars):
10804 Volatile variables should not have subvariables.
10806 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10809 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10810 multiplying unsigned values.
10813 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10815 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10817 2006-02-08 Jason Merrill <jason@redhat.com>
10820 * tree.def: Elaborate on difference from MODIFY_EXPR.
10821 * doc/c-tree.texi (INIT_EXPR): Likewise.
10822 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10823 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10824 (gimplify_target_expr): Likewise.
10825 (gimplify_cond_expr): Remove target handling.
10826 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10827 (gimplify_expr): Clobber it here.
10828 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10829 Do return slot optimization if we have an INIT_EXPR.
10832 * tree-inline.c (declare_return_variable): Also clear
10833 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10836 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10838 PR middle-end/22439
10839 * gimplify.c (gimplify_one_sizepos): Fix typo.
10841 2006-02-08 Jeff Law <law@redhat.com>
10843 PR tree-optimization/21417
10844 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10845 across a backedge if the control statement at the end of the
10846 block is data dependent on other statements in the same block.
10847 (record_temporary_equivalences_from_stmts): Remove over-conservative
10848 test for threading across backedges.
10850 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10851 control statement, handle all three special cases in the same
10852 manner as they all have the same desired solution. No longer
10853 special case edge flag updating when the post dominator is
10856 2006-02-08 Roger Sayle <roger@eyesopen.com>
10858 * tree.def (CHAR_TYPE): Remove.
10859 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10860 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10861 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10862 (gen_string_type_die): Delete unreachable function.
10864 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10865 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10866 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10867 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10868 * builtins.c (type_to_class): Likewise.
10869 * fold-const.c (fold_convert, build_range_check,
10870 merge_ranges): Likewise.
10871 * expr.c (count_type_elements): Likewise.
10872 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10873 * stor-layout.c (layout_type): Likewise.
10874 * ipa-type-escape.c (type_to_consider): Likewise.
10875 * gimplify.c (omp_firstprivatize_type_sizes,
10876 gimplify_type_sizes): Likewise.
10877 * explow.c (promote_mode): Likewise.
10878 * tree-sra.c (is_sra_scalar_type): Likewise.
10879 * varasm.c (output_constant): Likewise.
10880 * tree-inline.c (remap_type_1): Likewise.
10881 * convert.c (convert_to_pointer, convert_to_real,
10882 convert_to_integer, convert_to_complex): Likewise.
10884 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10886 * df-scan.c (df_def_record_1): A set destination may
10887 be a parallel regardless of mode.
10889 2006-02-08 Roger Sayle <roger@eyesopen.com>
10892 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10893 * config/mips/_tilib.c: Remove.
10894 * config/fixtfdi.c: New libgcc source file.
10895 * config/fixunstfdi.c: New source file.
10896 * config/floatditf.c: New source file.
10897 * config/floatunditf.c: New souce file.
10898 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10899 files above instead of config/mips/_tilib.c.
10900 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10902 2006-02-08 Jeff Law <law@redhat.com>
10904 PR tree-optimization/26169
10905 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10908 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10910 * df.h (DF_REG_SIZE): Return the length of the initialized
10913 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10915 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10916 __muldf3): Return a correctly signed zero.
10918 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10920 * passes.c (register_one_dump_file): Accept the current properties
10921 instead of pass number. Adjust call to dump_register. Remove
10923 (register_dump_files): Now a wrapper around...
10924 (register_dump_files_1): ... this one. Do not modify the pass
10926 (next_pass_1): Cosmetic fix.
10927 (execute_todo): Keep second parameter only. Use curr_properties
10928 instead of fetching it from the pass structure. Check and set
10930 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10931 instead of fetching it from the pass structure. Fix calls to
10932 execute_todo. Update curr_properties and initialize .vcg RTL dump
10933 after running the pass. Reset last_verified.
10934 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10936 (FIRST_AUTO_NUMBERED_DUMP): New.
10937 (dump_register): Remove "num" parameter, assign it within the
10939 (get_dump_file_name): Modify template for dumps.
10940 * tree-dump.h (dump_register): Adjust prototype.
10941 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10942 (PROP_trees): Add PROP_gimple_lomp.
10943 (TODO_set_props): New.
10944 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10945 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10946 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10948 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10950 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10951 (sparc64-*-linux*): Likewise.
10952 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10953 * config/sparc/t-linux: New file.
10954 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10955 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10956 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10957 -m32 -mlong-double-128.
10959 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10960 * config/alpha/t-linux: New file.
10961 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10963 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10964 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10965 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10966 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10967 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10968 (CPP_ARCH32_SPEC): Remove.
10970 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10972 PR tree-optimization/26145
10973 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10976 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10979 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10980 >= 240000 when generating code for SOM runtime.
10981 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10982 to $$dyncall when generating code for SOM runtime..
10984 2006-02-07 Dirk Mueller <dmueller@suse.com>
10987 * doc/invoke.texi (-Wsequence-point): Update documentation
10988 that -Wsequence-point is implemented for C++ as well.
10990 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10992 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10993 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10994 (LIB_SPEC): Likewise.
10995 * doc/invoke.texi (SPARC options): Document -pthread.
10997 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10999 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11002 2006-02-07 Roger Sayle <roger@eyesopen.com>
11004 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11005 Correct comment describing BOOLEAN_TYPE.
11007 2006-02-07 Dirk Mueller <dmueller@suse.com>
11009 * c.opt: C++ frontend supports -Wdiv-by-zero.
11010 * c-opts.c (c_common_handle_option): Remove dead case.
11012 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11014 * configure.ac (TLS assembler check): Do not enable TLS by
11015 default on SPARC/Solaris before version 10.
11016 * configure: Regenerate.
11018 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11020 * doc/invoke.texi (xl-compat): Document conversion and support
11023 2006-02-07 Jeff Law <law@redhat.com>
11025 * tree-vrp.c (find_conditional_asserts): Update comments.
11026 (simplify_stmt_for_jump_threading): New.
11027 (identify_jump_threads, finalize_jump_threads): New.
11028 (vrp_finalize): Call identify_jump_threads.
11029 (execute_vrp): Call finalize_jump_threads.
11030 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11031 (vrp_element, vrp_data, vrp_element_p): Remove.
11032 (vrp_hash_elt, vrp_variables_stack): Remove.
11033 (vrp_hash, vrp_eq, record_range): Remove.
11034 (simplify_cond_and_lookup_avail_expr): Remove.
11035 (extract_range_from_cond): Remove.
11036 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11037 (simplify_stmt_for_jump_threading): New.
11038 (dom_thread_across_edge): New wrapper.
11039 (tree_ssa_dominator_optimize): No longer initialize or
11040 finalize any of the VRP datastructures. Remove iteration
11041 step and simplify as a result of removal of iteration step.
11042 (pass_dominator): Perform a cfg cleanup after DOM.
11043 (dom_opt_finalize_block): Use the new common routines
11044 for threading jumps. Simplify stack management slightly.
11045 No longer need to unwind VRP state.
11046 (record_equivalences_from_incoming_edge): No longer record
11048 (eliminate_redundant_computations): No longer call
11049 simplify_cond_and_lookup_avail_expr.
11050 * tree-flow.h (potentially_threadable_block): Prototype.
11051 (thread_across_edge): Likewise.
11052 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11053 (tree-ssa-threadedge.o): Add dependencies.
11054 * tree-ssa-threadedge.c: New file.
11055 * passes.c (init_optimization_passes): Merge PHIs before
11056 calling VRP. Run VRP again late in the SSA optimization pipeline.
11058 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11060 * df-core.c (df_set_blocks): Do not dereference function pointers.
11061 (df_finish1): Likewise.
11062 (df_hybrid_search_forward): Likewise.
11063 (df_hybrid_search_backward): Likewise.
11064 (df_iterative_dataflow): Likewise.
11065 (df_analyze_problem): Likewise.
11066 (df_compact_blocks): Likewise.
11067 (df_dump): Likewise.
11068 * df-scan.c (df_rescan_blocks): Likewise.
11069 (df_record_entry_block_defs): Likewise.
11071 * genconditions.c (write_conditions): Guard the definition of
11072 'insn_conditions' with the check on GCC version.
11073 (write_writer): Guard the traversal 'insn_conditions' with
11074 the check on GCC version.
11076 2006-02-07 Richard Guenther <rguenther@suse.de>
11080 2006-01-30 Richard Guenther <rguenther@suse.de>
11082 * gimplify.c (gimplify_target_expr): Handle easy cases
11083 without creating a temporary.
11085 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11087 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11088 use of float in probability computations. Use edge probabilities
11089 in place of statically computed probabilities.
11090 (min_spec_prob): New static variable.
11091 (schedule_insns): Initialize it.
11092 (GET_SRC_PROB): Removed.
11093 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11095 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11098 * config/ia64/unwind-ia64.c: Revert last change.
11099 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11100 (INCOMING_FRAME_SP_OFFSET): Define.
11102 2006-02-06 Roger Sayle <roger@eyesopen.com>
11104 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11106 2006-02-07 Ben Elliston <bje@au.ibm.com>
11108 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11109 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11110 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11111 (ix86_return_in_memory): Handle TDmode.
11112 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11113 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11115 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11117 * reorg.c (dbr_schedule): Use dump_file instead of file.
11119 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11122 * config/ia64/predicates.md (extr_len_operand): New predicate.
11123 * config/ia64/ia64.md (extv): Tighten constraints.
11125 (*tbit_and_2): Ditto.
11126 (*tbit_and_3): Ditto.
11127 (*tbit_or_2): Ditto.
11128 (*tbit_or_3): Ditto.
11129 (*bit_zero): Ditto.
11132 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11135 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11137 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11139 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11140 loop_optimizer_init and loop_optimizer_finalize
11141 * tree-ssa-sink.c (execute_sink_code): Ditto.
11142 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11143 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11144 tree_ssa_loop_done): Ditto.
11145 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11146 * sched-ebb.c: Include output.h.
11147 (schedule_ebbs): Do not use dump argument.
11148 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11149 * loop.c (loop_dump_stream): Removed.
11150 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11152 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11153 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11154 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11155 loop_iterations, strength_reduce, record_biv, record_giv,
11156 final_giv_value, check_final_value, check_ext_dependent_givs,
11157 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11158 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11159 dump_file instead of loop_dump_stream.
11160 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11161 argument dump_file.
11162 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11164 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11165 * haifa-sched.c: Include output.h
11166 (schedule_insns, sched_init): Do not use dump argument.
11167 * mode-switching.c (optimize_mode_switching): Ditto.
11168 * modulo-sched.c (stats_file): Removed.
11169 (print_node_sched_params): Do not call argument dump_file.
11170 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11171 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11173 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11175 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11176 rtl_loop_init, rtl_loop_done): Ditto.
11177 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11178 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11180 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11181 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11182 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11183 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11184 * emit-rtl.c (renumber_insns): Ditto.
11185 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11186 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11187 * regclass.c (regclass): Ditto.
11188 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11189 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11190 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11191 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11193 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11194 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11196 * gcse.c (gcse_file, debug_stderr): Removed.
11197 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11198 rest_of_handle_gcse): Do not use dump argument.
11199 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11200 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11201 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11202 compute_code_hoist_vbeinout, compute_code_hoist_data,
11203 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11204 compute_store_table, build_store_vectors, insert_insn_start_bb,
11205 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11206 store_motion): Use dump_file instead of gcse_file.
11207 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11208 * profile.c (profile_dump_file): Removed.
11209 (branch_prob): Use dump_file instead of profile_dump_file.
11210 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11212 * tree-ssa-copy.c (dump_copy_of): Ditto.
11213 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11214 dump file to life_analysis.
11215 * bt-load.c (branch_target_load_optimize): Ditto.
11216 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11218 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11219 regclass, dbr_schedule): Declaration changed.
11220 * sched-int.h (sched_init): Declaration changed.
11221 * tree-profile.c (tree_profile_dump_file): Removed.
11222 (tree_profile_hooks): Removed profile_dump_file hook.
11223 * rtl-profile (rtl_profile_dump_file): Removed.
11224 (rtl_profile_hooks): emoved profile_dump_file hook.
11225 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11227 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11228 * tree-cfg.c (build_tree_cfg): Ditto.
11229 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11230 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11231 Declaration changed.
11232 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11233 life_analysis and schedule_insns.
11234 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11236 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11238 * config/mips/mips.c (mips_reorg): Ditto.
11239 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11242 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11244 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11245 (s390_mangle_fundamental_type): New.
11246 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11249 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11250 (alpha_mangle_fundamental_type): New.
11251 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11254 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11256 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11258 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11259 (sparc_mangle_fundamental_type): New.
11261 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11263 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11264 (s390x-*-linux*): Likewise.
11265 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11266 * config/s390/t-linux: New file.
11268 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11270 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11271 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11273 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11275 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11276 (ANTIC_SAFE_LOADS): New macro.
11277 (find_or_generate_expression): Add prototype.
11278 (set_contains_value): Allow null set for sake of not always having
11279 to allocate ANTIC_SAFE_LOADS.
11280 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11281 Allow COMPONENT_REF too.
11282 (valid_in_set): Allow COMPONENT_REF.
11283 Check ANTIC_SAFE_LOADS too.
11284 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11285 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11287 (can_PRE_operation): Add COMPONENT_REF.
11288 (create_component_ref_by_pieces): New function.
11289 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11290 (insert_aux): Move AGGREGATE_TYPE_P check here.
11291 (compute_avail): Set bb local stmt uids.
11292 (pass_pre): Use TODO_update_ssa_only_virtuals.
11294 2006-02-06 Ben Elliston <bje@au.ibm.com>
11296 * configure.ac: Unconditionally disable decimal float by default.
11297 * configure: Regenerate.
11299 2006-02-06 Ben Elliston <bje@au.ibm.com>
11301 * read-rtl.c (read_name): Terminate reading on EOF.
11303 2006-02-06 Ben Elliston <bje@au.ibm.com>
11305 * dfp.c (decimal_real_arithmetic): Change second argument type
11306 from int to enum tree_code. Do not always return true, but now
11307 return result of any call to decimal_do helper functions.
11308 * dfp.h (decimal_real_arithmetic): Update prototype.
11310 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11312 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11314 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11317 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11320 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11322 * tree-vrp.c (cfg_loops): Removed.
11323 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11324 Use current_loops instead of cfg_loops. Pass flags to
11325 loop_optimizer_init.
11326 * cfgloopmanip.c (fix_loop_structure): Update only available
11328 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11329 loop_optimizer_init.
11330 * modulo-sched.c (build_loops_structure): Removed.
11331 (sms_schedule): Use loop_optimizer_init.
11332 * loop-init.c (loop_optimizer_init): Use flags to determine
11333 which properties of loops to prepare.
11334 (rtl_loop_init): Pass flags to loop_optimizer_init.
11335 * tree-ssa-sink.c (execute_sink_code): Ditto.
11336 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11337 * tree-ssa-pre.c (init_pre): Ditto.
11338 * cfgloop.h (LOOPS_NORMAL): New.
11339 (loop_optimizer_init): Declaration changed.
11341 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11343 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11344 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11346 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11348 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11350 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11351 * pa/t-pa64: Delete quadlib.c rule.
11352 * pa/x-ada: Revert last change.
11353 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11355 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11357 PR rtl-optimization/26087
11358 * rtlanal.c (canonicalize_condition): Do not cross basic block
11361 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11364 * config/ia64/ia64.c: Include debug.h.
11365 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11366 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11367 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11368 (process_epilogue, process_set, process_for_unwind_directive):
11369 Output unwind info only if requested. Add CFA info if requested.
11370 Add new arguments as needed. Adjust callers.
11371 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11373 (DWARF2_FRAME_INFO): Define to zero.
11374 * config/ia64/unwind-ia64.c: Remove code that compensated for
11375 the CFA offset error fixed above.
11376 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11377 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11378 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11379 -funwind-tables and -fexceptions to enable frame info.
11380 (dwarf2out_frame_init): Define initial CFA even if
11381 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11382 DWARF2_UNWIND_INFO is nonzero, not just defined.
11383 (dwarf2out_frame_finish): Output non-EH call frame info only
11384 if DWARF2_FRAME_INFO is nonzero.
11385 (convert_cfa_to_loc_list,
11386 compute_frame_pointer_to_cfa_displacement): Define even if
11387 unwind info is not supported.
11388 (gen_subprogram_die): Use the above unconditionally. Remove
11389 legacy alternate code.
11390 * toplev.c (compile_file): Compile in call to
11391 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11392 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11394 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11395 Jakub Jelinek <jakub@redhat.com>
11397 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11398 IBM extended float format long double as "g" on powerpc*-linux.
11400 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11403 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11404 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11406 2006-02-03 Jason Merrill <jason@redhat.com>
11409 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11411 PR middle-end/25977
11412 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11413 on the return slot if it's an NRV.
11415 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11417 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11418 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11419 rewrite_use): Do not handle USE_OUTER.
11420 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11421 add_iv_outer_candidates, may_replace_final_value,
11422 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11423 (find_interesting_uses_op): Functionality of
11424 find_interesting_uses_outer_or_nonlin moved here.
11425 (find_interesting_uses_outside): Use find_interesting_uses_op.
11427 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11430 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11432 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11433 Ulrich Weigand <uweigand@de.ibm.com>
11436 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11437 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11438 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11439 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11441 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11442 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11443 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11444 Define secondary reloads for TFmode moves.
11445 (constant_modes): Add TFmode.
11446 (NR_C_MODES): Set to 8.
11447 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11449 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11450 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11451 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11452 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11453 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11454 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11455 (FPR mode macro): Add TFmode.
11456 (DSF mode macro): New.
11457 (<de>, <dee> mode attributes): Removed.
11458 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11459 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11460 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11461 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11462 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11463 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11464 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11465 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11466 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11467 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11468 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11469 "*negabs<mode>2", "sqrt<mode>2"):
11470 Changed <de> to <xde>. R constraint replaced by <Rf>.
11471 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11473 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11474 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11475 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11477 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11478 "extenddftf2", "extendsftf2"): New expanders.
11479 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11480 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11481 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11482 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11484 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11485 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11486 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11487 __floatditf): Add a GCC_4.1.0 symbol version tag.
11488 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11491 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11494 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11495 Use targetm.binds_local_p instead of TREE_PUBLIC.
11497 2006-02-02 Roger Sayle <roger@eyesopen.com>
11499 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11500 on INTEGER_TYPEs to indicate that it denotes a character type.
11501 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11502 signed_char_type_node, unsigned_char_type_node and char_type_node.
11503 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11504 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11505 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11507 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11508 Daniel Berlin <dberlin@dberlin.org>
11510 * tree-tailcall.c (arg_needs_copy_p): New function.
11511 (eliminate_tail_call): Use arg_needs_copy_p.
11512 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11513 (add_virtual_phis): New function.
11515 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11517 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11518 #ignore instead of #scratch for %g7 .register directive.
11520 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11522 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11525 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11527 * flow.c (calculate_global_regs_live): Assert that there aren't any
11530 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11532 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11533 what its name says.
11534 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11535 bsi_after_labels iterator.
11536 * tree-if-conv.c (find_phi_replacement_condition,
11537 replace_phi_with_cond_modify_expr): Likewise.
11538 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11539 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11541 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11543 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11545 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11548 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11549 array after growing it.
11551 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11553 PR middle-end/24901
11554 * fold-const.c (fold_checksum_tree): Change type of buf.
11556 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11558 * reload.c (push_secondary_reload): Initialize t_icode.
11560 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11562 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11563 -msoft-float -mlong-double-128 only issue a warning, but don't
11564 swich to DFmode long double.
11566 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11568 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11569 has a constant equivalent, iterate over equivalents for arg0,
11570 calling simplify_relational_operation and if there's a result
11571 cheaper than X, apply fold_rtx and return the result.
11573 2006-02-01 Jan Hubicka <jh@suse.cz>
11575 * opts.c (no_unit_at_a_time_default): New global variable.
11576 (decode_options): Use it.
11577 * opts.h (no_unit_at_a_time_default): Declare.
11579 2006-02-01 Paul Brook <paul@codesourcery.com>
11581 * function.c (assign_parm_setup_reg): Use function argument promotion
11583 * expr.c (expand_expr_real_1): Use function argument promotion rules
11586 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11588 * gcc.c (process_command): Change j to 'unsigned int'.
11590 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11592 PR middle-end/26001
11593 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11594 Use the corrected index for the character
11595 out of the string constant.
11597 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11599 * mode-switching.c (optimize_mode_switching): Fix size
11600 allocated for bb_info[n_entities].
11602 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11604 * gcc.c (main): Correct type that is allocated for
11605 explicit_link_files.
11607 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11609 * config/s390/s390.c (init_alignment_context): Set
11610 ALIAS_SET_MEMORY_BARRIER on the MEM.
11611 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11613 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11615 PR middle-end/25933
11616 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11618 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11621 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11623 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11624 * regrename.c: Ditto.
11625 * tree-ssa-loop-im.c: Ditto.
11626 * tree-dump.c: Ditto.
11627 * tree-complex.c: Ditto.
11628 * genrecog.c: Ditto.
11629 * tree-ssa-threadupdate.c: Ditto.
11631 * java/class.c: Ditto.
11632 * java/jcf-parse.c: Ditto.
11633 * java/resource.c: Ditto.
11634 * java/except.c: Ditto.
11635 * java/jvspec.c: Ditto.
11636 * java/jcf-write.c: Ditto.
11637 * java/jcf-path.c: Ditto.
11638 * java/gjavah.c: Ditto.
11639 * java/zextract.c: Ditto.
11640 * java/jcf-io.c: Ditto.
11641 * java/jcf.h: Ditto.
11642 * java/buffer.c: Ditto.
11643 * java/lang.c: Ditto.
11644 * java/parse-scan.y: Ditto.
11645 * java/lex.c: Ditto.
11646 * java/lex.h: Ditto.
11647 * cfgloopmanip.c: Ditto.
11648 * postreload-gcse.c: Ditto.
11649 * tree-ssa-loop-manip.c: Ditto.
11650 * postreload.c: Ditto.
11651 * tree-ssa-loop-ch.c: Ditto.
11654 * cppspec.c: Ditto.
11655 * diagnostic.c: Ditto.
11657 * genoutput.c: Ditto.
11659 * cfghooks.c: Ditto.
11660 * cfgloopanal.c: Ditto.
11661 * objc/objc-act.c: Ditto.
11663 * genextract.c: Ditto.
11664 * genautomata.c: Ditto.
11665 * pretty-print.c: Ditto.
11666 * genemit.c: Ditto.
11667 * cgraphunit.c: Ditto.
11669 * df-scan.c: Ditto.
11670 * haifa-sched.c: Ditto.
11671 * dominance.c: Ditto.
11673 * tree-ssa-loop-ivopts.c: Ditto.
11674 * df-core.c: Ditto.
11675 * mode-switching.c: Ditto.
11676 * modulo-sched.c: Ditto.
11678 * ipa-pure-const.c: Ditto.
11680 * fix-header.c: Ditto.
11682 * tree-stdarg.c: Ditto.
11683 * ipa-utils.c: Ditto.
11684 * loop-init.c: Ditto.
11685 * ipa-inline.c: Ditto.
11686 * cfganal.c: Ditto.
11688 * alloc-pool.c: Ditto.
11689 * dwarf2out.c: Ditto.
11691 * genattrtab.c: Ditto.
11692 * tree-ssa-loop-ivcanon.c: Ditto.
11693 * predict.c: Ditto.
11694 * timevar.c: Ditto.
11696 * fortran/gfortranspec.c: Ditto.
11697 * regmove.c: Ditto.
11698 * local-alloc.c: Ditto.
11699 * langhooks.c: Ditto.
11700 * function.c: Ditto.
11701 * tree-vectorizer.c: Ditto.
11703 * ipa-type-escape.c: Ditto.
11705 * tree-if-conv.c: Ditto.
11706 * profile.c: Ditto.
11708 * tree-data-ref.c: Ditto.
11709 * loop-unroll.c: Ditto.
11710 * treelang/treetree.c: Ditto.
11712 * bt-load.c: Ditto.
11713 * ggc-common.c: Ditto.
11715 * coverage.c: Ditto.
11717 * tree-cfgcleanup.c: Ditto.
11718 * tree-ssa-pre.c: Ditto.
11719 * cfgcleanup.c: Ditto.
11720 * loop-invariant.c: Ditto.
11721 * loop-iv.c: Ditto.
11722 * ipa-prop.c: Ditto.
11723 * print-tree.c: Ditto.
11724 * conflict.c: Ditto.
11725 * ggc-page.c: Ditto.
11726 * sched-deps.c: Ditto.
11727 * regclass.c: Ditto.
11728 * tree-object-size.c: Ditto.
11729 * combine.c: Ditto.
11730 * bb-reorder.c: Ditto.
11731 * resource.c: Ditto.
11732 * var-tracking.c: Ditto.
11733 * cfgloop.c: Ditto.
11734 * df-problems.c: Ditto.
11735 * reg-stack.c: Ditto.
11737 * gccspec.c: Ditto.
11738 * sched-rgn.c: Ditto.
11739 * tree-ssa-structalias.c: Ditto.
11740 * tree-ssa-reassoc.c: Ditto.
11741 * config/darwin-c.c: Ditto.
11742 * config/darwin.c: Ditto.
11743 * config/arm/arm.c: Ditto.
11745 * collect2.c: Ditto.
11746 * reload1.c: Ditto.
11748 2006-01-31 Nicolas Pitre <nico@cam.org>
11750 * arm.md (smaxsi3): Make aware of smax_m1.
11753 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11755 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11757 2006-01-31 Richard Guenther <rguenther@suse.de>
11759 * doc/invoke.texi (-msselibm): Document.
11760 * target.h (expand_library_builtin): New target hook.
11761 * builtins.c (expand_builtin): Use expand_library_builtin.
11762 (default_expand_library_builtin): New function.
11763 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11764 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11765 (link_gcc_math_spec): Declare.
11766 (static_specs): Add link_gcc_math_spec.
11767 * expr.h (default_expand_library_builtin): Declare.
11768 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11769 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11770 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11771 * config/i386/i386.opt (msselibm): New target option.
11772 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11773 (ix86_init_sse_abi_builtins): New function.
11774 (ix86_expand_library_builtin): Likewise.
11775 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11776 (override_options): Handle error conditions wrt -msselibm.
11777 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11778 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11779 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11782 2006-01-31 Richard Guenther <rguenther@suse.de>
11783 Paolo Bonzini <bonzini@gnu.org>
11785 * doc/install.texi (--disable-libgcc-math): Document.
11787 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11789 * expr.h (expand_normal): new inline function.
11790 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11791 * dojump.c: use it.
11792 * dwarf2out.c: use it.
11795 * expmed.c: use it.
11796 * except.c: use it.
11797 * config/sparc/sparc.c: use it.
11798 * config/i386/i386.c: use it.
11799 * config/rs6000/rs6000.c: use it.
11800 * config/arm/arm.c: use it.
11801 * config/mips/mips.c: use it.
11802 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11804 2006-01-30 Roger Sayle <roger@eyesopen.com>
11806 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11807 argv to the appropriate type.
11809 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11811 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11814 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11817 * config/s390/s390.c (struct machine_function): New flag
11818 decomposed_literal_pool_addresses_ok_p.
11819 (s390_reorg): Set it before final stage of literal pool transforms.
11820 (s390_decompose_address): Only accept displacements of the form
11821 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11823 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11825 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11826 the comparison routine return.
11828 2006-01-30 Michael Matz <matz@suse.de>
11830 * global.c (find_reg): Only evict for global regs.
11831 Take n_refs into account and dump more info.
11833 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11836 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11837 (pragma_trap, pragma_nosave_low_regs): Likewise.
11838 (current_function_anonymous_args): Likewise.
11839 (sh_deferred_function_attributes): New variable.
11840 (sh_deferred_function_attributes_tail): Likewise.
11841 (print_operand): For '@', look up trap_exit attribute.
11842 (calc_live_regs): Look up trapa_handler attribute. For trapa
11843 handlers, save/restore fpscr, but don't do any other
11844 interrupt-specific saves.
11845 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11846 Fix check for partially saved registers to check for SHmedia.
11847 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11848 (sh_output_function_epilogue): Don't clear any of the removed
11850 (sh_insert_attributes): Don't check pragma_interrupt.
11851 Insert deferred attributes. Check that interrupt attribute is
11852 present for other attributes that require its presence.
11853 (sh_attribute_table): Add new attributes trapa_handler and
11855 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11856 Don't check for pragma_interrupt. Don't store argument.
11857 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11858 (sh_deferred_function_attributes): Declare.
11859 (sh_deferred_function_attributes_tail): Likewise.
11860 * sh.md (sp_switch_1): Add operand. Change generator caller.
11861 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11862 (*return_i): Don't use when trap_exit attribute is in effect.
11863 (*return_trapa): New insn pattern.
11864 * sh-c.c: New file.
11865 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11866 setting c_target_objs and cxx_target_objs.
11867 * t-sh: Add rule for sh-c.o.
11869 2006-01-30 Richard Guenther <rguenther@suse.de>
11872 * gimplify.c (gimplify_target_expr): Handle easy cases
11873 without creating a temporary.
11875 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11877 * vec.h (safe_grow): Remove duplicated line.
11879 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11882 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11883 (expand_omp): ... here.
11884 (expand_omp_parallel): Only remove barriers for combined
11885 parallel+workshare constructs.
11887 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11891 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11892 * tree.c (build_qualified_type): Chain the new type to the original
11893 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11894 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11895 (build_pointer_type_for_mode): Only return unqualified types.
11896 (build_reference_type_for_mode): Likewise.
11898 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11900 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11901 * Makefile.in (CXX_COMPAT_WARN): Define.
11902 * configure: Regenerate.
11904 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11907 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11910 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11912 * toplev.c: Fix thinko.
11914 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11915 Marcin Dalecki <martin@dalecki.de>
11917 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11918 (push_srcloc): Use XNEW.
11919 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11921 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11923 * df-core.c (df_set_blocks): Deleted all variable.
11925 2006-01-28 Ian Lance Taylor <ian@airs.com>
11927 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11928 cgraph_output_pending_asms.
11930 2006-01-28 Zack Weinberg <zackw@panix.com>
11932 * c.opt: Add -W(no-)overlength-strings.
11933 * doc/invoke.texi: Document it.
11934 * c-opts.c (c_common_handle_option): -pedantic implies
11935 -Woverlength-strings, if not explicitly disabled already.
11936 (c_common_post_options): -Woverlength-strings defaults to off, and
11937 is always off for C++.
11938 * c-common.c (fix_string_type): Issue warning about strings longer
11939 than is portable only if warn_overlength_strings. Rearrange code
11940 a little for clarity.
11941 * configure.in: Check for -Wno-overlength-strings as well before
11942 enabling -pedantic in stage 1.
11943 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11944 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11946 * genconditions.c (write_header, write_one_condition)
11947 (write_conditions, write_writer): Consolidate very long strings
11948 that were broken up to fit in C89 portable limit. Don't use
11949 printf when fputs will do.
11951 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11953 * combine.c (simplify_comparison <AND>): Check
11954 TRULY_NOOP_TRUNCATION before start using a subreg.
11956 * config/mips/mips.md (*branch_zero<mode>,
11957 *branch_zero<mode>_inverted, *branch_equality<mode>,
11958 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11959 Remove mode check from comparisons.
11961 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11963 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11965 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11967 * expmed.c (const_mult_add_overflow_p): Remove.
11968 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11970 * recog.c (validate_replace_rtx_subexp): Remove.
11971 * recog.h: Remove the prototype for
11972 validate_replace_rtx_subexp.
11974 * integrate.h: Remove the prototype for
11975 copy_decl_for_inlining.
11976 * rtl.h: Remove the prototype for mark_constant_function.
11977 * tree-vectorizer.h: Remove the prototype for
11978 vect_strip_conversion.
11980 * modulo-sched.c (create_partial_schedule,
11981 free_partial_schedule, reset_partial_schedule): Make them
11984 * hooks.c (hook_bool_rtx_int_false): Remove.
11985 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11987 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11989 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11990 and -mlong-double-128 are incompatible.
11991 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11992 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11993 (TARGET_LIBGCC2_CFLAGS): Define.
11994 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11995 (TARGET_LIBGCC2_CFLAGS): Same.
11996 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11998 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12001 * c-typeck.c (build_binary_op): Perform implicit casts of
12002 operands before shortening them.
12004 * cfgloopmanip.c (split_loop_bb): Remove.
12005 * cfgloop.h: Remove the prototype for split_loop_bb.
12007 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12008 * cfgloop.h: Remove the prototype for
12009 flow_loop_outside_edge_p.
12011 * emit-rtl.c (init_virtual_regs): Make it static.
12012 * function.h: Remove the prototype for init_virtual_regs.
12014 * recog.c (peephole2_optimize): Make it static.
12015 * recog.h: Remove the prototype for peephole2_optimize.
12017 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12019 * df-scan.c (df_record_entry_block_defs): Check if
12020 INCOMING_RETURN_ADDR_RTX is defined.
12022 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12023 Kenneth Zadeck <zadeck@naturalbridge.com>
12025 PR rtl-optimization/24762
12026 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12027 * targhooks.c (hook_void_bitmap): New hook prototype.
12028 * targhoohs.h (hook_void_bitmap): Ditto.
12029 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12030 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12031 * target.h (live_on_entry): New function pointer.
12032 * df-scan.c (df_all_hard_regs): Removed.
12033 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12034 (df_scan_free_internal): Added df->entry_block_defs.
12035 (df_scan_alloc): Ditto.
12036 (df_scan_dump): Ditto.
12037 (df_uses_record): Plumbed flag field properly thru calls.
12038 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12039 This part fixes PR24762.
12040 (df_bb_refs_record): Added code to make the frame and arg
12041 pointers live in EH blocks.
12042 (df_refs_record): Added call to df_record_entry_block_defs.
12043 (df_record_entry_block_defs): New function.
12044 * df-core.c: Added comments to describe new artifical defs.
12045 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12046 (entry_block_defs): New field in struct df.
12047 (df_all_hard_regs): Deleted.
12048 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12049 * df-problems.c (df_ru_bb_local_compute_process_def):
12050 Added code to handle artifical defs in the entry to a function.
12051 (df_ru_bb_local_compute): Ditto.
12052 (df_rd_bb_local_compute_process_def): Ditto.
12053 (df_rd_bb_local_compute): Ditto.
12054 (df_lr_bb_local_compute): Ditto.
12055 (df_ur_bb_local_compute): Ditto.
12056 (df_urec_bb_local_compute): Ditto.
12057 (df_chain_create_bb): Ditto.
12058 (df_ur_local_finalize): Removed entry.
12059 (df_urec_init): Ditto.
12060 (df_urec_local_finalize): Ditto.
12061 (df_ri_bb_compute): Added detection of last use of pseudos.
12062 * Makefile.in (df-scan.o): Updated dependencies.
12063 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12064 * config/mips/mips.c (mips_set_live_on_entry): Added.
12065 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12067 * dce.c (marked_insn_p): Added code to handle artifical defs.
12069 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12071 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12073 (_mm_cvtsi128_si64): Likewise.
12074 (_mm_cvtsd_si64): Likewise.
12075 (_mm_cvttsd_si64): Likewise.
12076 (_mm_cvtsi64_sd): Likewise.
12077 (_mm_cvtsi64_si128): Likewise.
12078 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12079 (_mm_cvtsi64_m64): Likewise.
12080 (_m_to_int64): Likewise.
12081 (_mm_cvtm64_si64): Likewise.
12082 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12083 (_mm_cvttss_si64): Likewise.
12084 (_mm_cvtsi64_ss): Likewise.
12085 (_mm_cvtss_f32): Likewise.
12087 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12089 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12090 for pragma redefine_extname.
12092 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12095 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12096 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12097 -mno-minimal-toc to previous content.
12098 (bispecs): Remove goal.
12099 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12100 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12101 compatibility aliases on powerpc-*-*gnu*.
12102 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12103 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12104 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12105 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12106 (ldblspecs): New goal.
12107 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12108 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12110 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12111 L_sf_to_tf or L_df_to_tf is defined.
12113 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12114 Alan Modra <amodra@bigpond.net.au>
12117 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12118 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12119 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12120 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12121 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12122 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12123 (rs6000_override_options): Initialize rs6000_ieeequad.
12124 Initialize TFmode format to ibm_extended_format if not
12126 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12128 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12129 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12130 (function_arg_advance): IBM long double passed in two FPRs, not
12132 (function_arg): IBM long double passed in FPRs.
12133 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12134 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12135 Only multireg GPR aligned.
12136 (rs6000_init_libfuncs): Enable IBM long double functions if not
12138 (rs6000_generate_compare): Use IBM long double compare if not
12140 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12141 (TARGET_IEEEQUAD): Define.
12142 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12143 not TARGET_IEEEQUAD.
12144 * config/rs6000/rs6000.md: Enable TFmode patterns if
12146 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12147 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12148 and -mlong-double-128 are incompatible.
12149 * doc/invoke.texi (-mabi): Collect options together. Add
12150 ibmlongdouble and ieeelongdouble.
12152 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12154 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12156 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12157 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12158 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12159 * rtl.h (rtunion_def): Remove rt_ptr.
12161 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12162 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12163 * config/i386/winnt.c (i386_pe_mark_dllexport)
12164 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12166 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12168 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12170 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12174 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12175 pthread_key_delete. From John David Anglin. gthrw-ify
12176 pthread_getunique_np only if it it's not a macro. Delete
12178 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12179 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12180 __gthread_objc_condition_signal, __gthread_key_delete): Add
12181 "__attribute__ ((__unused__))" to unused arguments.
12182 (__gthread_recursive_mutex_init_function): Add missing return.
12183 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12184 gthr-posix95.h: Use macro-based approach for name redirection
12185 on targets missing weakref.
12187 2006-01-26 Zack Weinberg <zackw@panix.com>
12189 * genconditions.c (write_header): In generated code, #ifdef out
12190 all includes and fake declarations, except includes of bconfig.h
12191 and system.h, unless GCC_VERSION >= 3001. Do not include
12192 gensupport.h in any case.
12193 (write_conditions): Generate a definition of struct c_test. Add
12194 a comment to the generated #endif.
12195 (write_one_condition): Escape backslashes in string too.
12196 (write_writer): Generated code must escape backslashes and quote
12197 marks (but not newlines) in the strings it writes.
12198 * Makefile.in (build/gencondmd.o): Update dependencies.
12200 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12203 * Makefile.in (insn-automata.o): Add header file dependencies.
12204 * genautomata.c: Add includes.
12206 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12209 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12211 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12213 * configure.ac: Expect target tools paths to be passed from the toplevel
12214 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12216 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12218 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12221 * c.opt (Wpointer-sign): Init to -1.
12222 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12223 OPT_pedantic, to 0 otherwise.
12224 * doc/invoke.texi: Update.
12226 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12228 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12229 constants provided by 80387 instructions in the destination mode.
12231 2006-01-26 Richard Guenther <rguenther@suse.de>
12232 Andrew Pinski <pinskia@physics.uc.edu>
12235 partial PR tree-opt/17064
12236 * tree-ssa-structalias.c (intra_create_variable_infos):
12237 Create heap variables for incoming parameters if
12238 flag_argument_noalias > 1.
12239 (find_what_p_points_to): Look through default defs of
12242 2006-01-26 Jeff Law <law@redhat.com>
12245 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12246 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12247 within the VR_RANGE, use the VR_RANGE as the result, not the
12249 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12250 bounds for the type.
12252 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12254 * tree-ssa-alias.c (maybe_create_global_var): Change
12255 subvar walking to an assertion that we don't have subvar'd variables.
12257 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12260 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12261 Use a new variable, inner. PARM_DECLs are always non-weak.
12263 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12265 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12266 --disable-checking.
12268 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12270 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12272 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12274 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12275 (smax_insn, smin_insn, smax_0, smin_0): New.
12277 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12280 * config/cris/cris.c (cris_order_for_addsi3): New function.
12281 * config/cris/cris-protos.h: Prototype it.
12282 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12283 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12284 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12285 (split for "op.S1 [rx=rx+i],ry (swapped)")
12286 (split for "op(s|u).S1 [rx=rx+i],ry")
12287 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12288 Apply cris_order_for_addsi3 when generating addsi3 insns.
12290 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12292 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12293 (TREE_BLOCK): Add call to EXPR_CHECK.
12295 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12298 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12299 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12300 (dump_omp_clauses): ... here.
12301 (dump_generic_node): Handle OMP_CLAUSE.
12302 * tree.c (omp_clause_num_ops): New.
12303 (omp_clause_code_name): New.
12304 (tree_code_size): Handle OMP_CLAUSE.
12305 (tree_size): Likewise.
12306 (make_node): Document handling of OMP_CLAUSE.
12307 (tree_node_structure): Handle OMP_CLAUSE.
12308 (omp_clause_check_failed): New.
12309 (omp_clause_range_check_failed): New.
12310 (omp_clause_operand_check_failed): New.
12311 (build_omp_clause): New.
12312 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12313 * tree.h (enum omp_clause_code): Declare.
12314 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12315 (OMP_CLAUSE_RANGE_CHECK): Define.
12316 (OMP_CLAUSE_ELT_CHECK): Define.
12317 (omp_clause_check_failed): Declare.
12318 (omp_clause_operand_check_failed): Declare.
12319 (omp_clause_range_check_failed): Declare.
12320 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12321 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12322 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12323 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12324 (OMP_CLAUSE_IF_EXPR): Likewise.
12325 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12326 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12327 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12328 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12329 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12330 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12331 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12332 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12333 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12334 (OMP_CLAUSE_CODE): Define.
12335 (OMP_CLAUSE_SET_CODE): Define.
12336 (OMP_CLAUSE_CODE): Define.
12337 (OMP_CLAUSE_OPERAND): Define.
12338 (struct tree_omp_clause): Declare.
12339 (union tree_node): Add field 'omp_clause'.
12340 * treestruct.def (TS_OMP_CLAUSE): Define.
12341 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12342 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12343 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12344 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12345 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12346 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12347 (OMP_CLAUSE): Define.
12348 * print-tree.c (print_node): Handle OMP_CLAUSE.
12349 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12350 * c-typeck.c: Likewise.
12351 * gimplify.c: Likewise.
12352 * c-omp.c: Likewise.
12353 * tree-nested.c: Likewise.
12354 * tree-inline.c: Likewise.
12355 * c-parser.c: Likewise.
12356 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12359 2006-01-25 Roger Sayle <roger@eyesopen.com>
12361 PR rtl-optimization/25703
12362 * combine.c (try_combine): Handle zero_extract and strict_low_part
12363 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12365 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12367 * global.c: Fix comment typos.
12369 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12372 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12373 Use output_addr_const instead of assemble_name.
12375 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12377 * Makefile.in (sched-vis.o): Update dependencies.
12378 * haifa-sched.c (sched_finish): Clear current_sched_info.
12379 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12380 (dump_flow_info): Call it.
12381 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12383 * basic-block.h (dump_bb_info): Declare.
12384 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12385 option, and apply options only for dump files whose TDF_RTL,
12386 TDF_TREE, or TDF_IPA bits match.
12387 * rtl.h: Declare new functions exported from sched-vis.c.
12388 * sched-vis.c: Enable also if scheduling is not used.
12389 (print_value): Print the mode of registers if not inside scheduling.
12390 (print_insn): Make it work outside the scheduler. Beautify the output
12392 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12394 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12396 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12397 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12398 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12399 depending on the value of CONSTANT_POOL_ADDRESS_P.
12400 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12402 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12403 rather than SYMBOL_REF_DECL.
12404 (rtx_constant_pool): Remove const_rtx_sym_htab.
12405 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12406 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12407 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12408 Remove handling of const_rtx_sym_htab.
12409 (find_pool_constant): Delete.
12410 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12411 rather than find_pool_constant.
12412 (get_pool_constant_for_function): Delete.
12413 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12414 find_pool_constant.
12415 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12416 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12417 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12418 (SYMBOL_REF_CONSTANT): New macro.
12419 (get_pool_constant_for_function): Delete.
12420 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12421 rather than SYMBOL_REF_DECL.
12422 (i386_pe_mark_dllimport): Likewise.
12423 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12424 rather than SYMBOL_REF_DECL.
12425 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12426 (machopic_indirect_call_target): Likewise.
12428 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12430 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12432 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12434 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12436 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12438 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12440 2006-01-24 David Daney <ddaney@avtrex.com>
12443 * configure.ac (enable_tls): New enable option.
12444 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12445 * configure: Regenerate.
12446 * doc/install.texi (--enable-tls): Document new option.
12447 (--disable-tls): Ditto.
12449 2006-01-24 Richard Henderson <rth@redehat.com>
12451 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12452 * alias.c (true_dependence): Respect it.
12453 (canon_true_dependence, write_dependence_p): Likewise.
12454 * builtins.c (get_builtin_sync_mem): Set it.
12456 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12458 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12461 2006-01-24 DJ Delorie <dj@redhat.com>
12463 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12464 for storing constants in single-bit bitfields.
12466 2006-01-25 Ben Elliston <bje@au.ibm.com>
12468 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12470 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12473 * tree-ssa-pre.c (phi_translate): Return NULL
12474 for AGGREGATE_TYPE's.
12476 2006-01-24 Zack Weinberg <zackw@panix.com>
12478 * genautomata.c (process_state_for_insn_equiv_partition):
12479 Use xcalloc for insn_arcs_array.
12480 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12481 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12483 2006-01-24 Richard Henderson <rth@redhat.com>
12485 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12486 update all callers.
12488 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12490 PR rtl-optimization/25890
12491 PR rtl-optimization/25905
12492 * combine.c (expand_compound_operation, expand_field_assignment):
12493 Fail if the bitfield's final position is out of bounds.
12495 2006-01-24 Ian Lance Taylor <ian@airs.com>
12497 PR middle-end/25930
12498 * cgraphunit.c (cgraph_output_in_order): Don't clear
12499 cgraph_asm_nodes until after asm strings have been output.
12501 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12503 * fix-header.c (read_scan_file): Add new parameter imultilib when
12504 calling register_include_chains.
12506 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12508 * omp-low.c: Update documentation.
12510 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12511 Daniel Berlin <dberlin@dberlin.org>
12515 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12516 return from the function.
12518 2006-01-22 Zack Weinberg <zackw@panix.com>
12520 * rtl.def (match_code): Add second argument.
12521 * genpreds.c (write_extract_subexp): New function.
12522 (write_match_code): Add path argument. Use write_extract_subexp.
12523 (write_predicate_expr): Pass path to write_match_code.
12524 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12525 not perform a mode test.
12526 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12527 a subexpression does not constrain the top-level code set.
12528 * read-rtl.c (read_rtx_variadic): New function.
12529 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12530 * doc/md.texi: Document new notation.
12531 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12532 (cmpsi_operand): ... here, using new notation.
12534 2006-01-22 Zack Weinberg <zackw@panix.com>
12536 * varray.c: Remove GENERATOR_FILE #ifdefs.
12538 2006-01-22 Zack Weinberg <zackw@panix.com>
12540 * genautomata.c (output_reserved_units_table): Emit nothing if
12541 description->query_units_num is zero. Remove extra blank line.
12542 (output_cpu_unit_reservation_p): Short circuit
12543 if description->query_units_num is zero.
12545 2006-01-22 Zack Weinberg <zackw@panix.com>
12547 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12548 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12549 nor any of the random handful of variables that used to be necessary
12550 when this program was linked with rtlanal.o. Prune set of forward
12551 function declarations.
12552 (struct attr_desc): Remove static_p field.
12553 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12554 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12555 (attr_string): Do not read the character one past the length of
12557 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12558 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12559 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12560 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12561 (make_automaton_attrs): New.
12562 (main): Do not call into genautomata. Call local gen_bypass
12563 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12564 Remove special case for insn_alts.
12565 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12566 varray.h (leftover from previous change). Prune set of forward
12567 function declarations. Remove state_alts fields from all
12568 structures. Remove state_alts_table from struct automaton.
12569 Make everything except main static. Do not maintain num_dfa_decls.
12570 Do not maintain state_alts fields of various structures.
12571 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12572 (add_arc): Remove state_alts argument. All callers updated.
12573 (output_reserved_units_table): Emit #ifdef here...
12574 (output_tables): ...not here. Don't generate state_alts tables.
12575 (expand_automata): Don't generate attributes.
12576 (write_automata): Don't generate state_alts functions.
12577 (main): New function.
12578 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12579 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12580 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12581 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12582 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12583 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12584 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12585 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12587 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12588 * genattrtab.h: Delete file.
12589 * Makefile.in (OBJS-common): Add insn-automata.o.
12590 (insn-automata.o): New rule.
12591 (simple_generated_c): Add insn-automata.c.
12592 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12593 (genprogmd): Add automata.
12594 (build/genattrtab): Needs no extra objects nor libraries.
12595 (build/genautomata): Needs build/vec.o and -lm.
12597 2006-01-22 Zack Weinberg <zackw@panix.com>
12599 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12600 (output_dfa_max_issue_rate, locked_states_num): Delete.
12601 (struct automaton): Add locked_states field.
12602 (output_dead_lock_vect): Save number of locked states in
12603 automaton->locked_states. If it is zero, don't print anything.
12604 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12605 (output_internal_dead_lock_func): Only test the dead_lock_vect
12606 for automata that have locked states.
12607 (output_statistics): Always print the number of locked states for
12608 each automaton. Calculate total number of locked states here.
12609 (write_automata): Don't call output_dfa_max_issue_rate.
12610 * genattrtab.c: Define length_unit_log as a const variable.
12611 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12612 max_insn_queue_index const.
12613 * final.c (length_unit_log): Declare const.
12614 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12616 2006-01-22 Zack Weinberg <zackw@panix.com>
12618 * genautomata.c: Include vec.h, not varray.h.
12619 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12620 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12621 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12622 VEC_* macros operating on appropriately typed vectors, or to
12623 malloced arrays when the size is known in advance. Const-ify
12624 many char* variables and function arguments. No functional changes.
12625 * Makefile.in (build/varray.o): Delete rule.
12626 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12627 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12629 2006-01-22 Zack Weinberg <zackw@panix.com>
12631 * gensupport.c: Define get_insn_name and record_insn_name here.
12632 (read_md_rtx): Call record_insn_name as appropriate.
12633 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12634 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12635 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12637 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12638 (BUILD_VARRAY): Delete.
12639 (genprognormal): Rename genprogmd. Fold in all programs from
12640 genprognoprint; also attrtab.
12641 (build/genattrtab): Just mention genautomata.o and varray.o.
12642 Reorganize a bit, add comments to make the categories clearer.
12644 2006-01-22 Zack Weinberg <zackw@panix.com>
12646 * genconditions.c (condition_table, add_condition): Delete.
12647 (write_conditions): Don't emit n_insn_conditions nor
12648 insn_elision_unavailable. Issue the gcc version #ifdef here,
12649 inside the table, with no #else clause ...
12650 (write_header): ...not here.
12651 (write_writer): New function.
12652 (main): Don't initialize condition_table. Use add_c_test.
12654 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12655 files on the command line.
12656 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12657 Return -1 if there is no entry in the table, don't abort.
12658 (add_c_test, traverse_c_tests): New functions.
12659 * gensupport.h (insn_elision_unavailable, insn_conditions)
12660 (n_insn_conditions): Delete declarations.
12661 (add_c_test, traverse_c_tests): Declare.
12662 * read-rtl.c: Include gensupport.h.
12663 (read_conditions): New function.
12664 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12665 (read_rtx_1): If we get EOF when we were looking for an initial
12666 open paren, return 0. Call read_conditions when appropriate.
12667 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12668 dummy-conditions.o. Eliminate references to insn-conditions.o,
12669 or change them to build/gencondmd.o, as appropriate. Remove
12670 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12671 from $(simple_generated_c). For all files remaining in those
12672 two lists, add insn-conditions.md to the generator command line.
12673 Give insn-constants.h/s-constants their own rules. Add rules
12674 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12675 (build/read-rtl.o): Depend on gensupport.h.
12676 (genprognormal): Include preds.
12677 (genprogearly): Rename genprognoprint; only difference is now that
12678 they don't link with $(BUILD_PRINT).
12679 * dummy-conditions.c: Delete.
12681 2006-01-22 Zack Weinberg <zackw@panix.com>
12683 * genextract.c: Don't include insn-config.h. Do include vec.h.
12684 Declare vectors of int, char, and locstr.
12685 (locstr): New typedef.
12686 (struct extraction): Make all array fields into bare pointers.
12687 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12688 (insn_code_number): Delete.
12689 (accum_extract): New struct.
12690 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12691 (gen_insn): Take insn_code_number as an argument. Use an
12692 accum_extract structure instead of loading data directly into
12693 a struct extraction, and having to know how big it might get.
12694 (walk_rtx): Operate entirely on an accum_extract structure.
12695 (print_path): Avoid unnecessary use of printf.
12696 (print_header): New function, split out of main. Distinguish
12697 more carefully between an unrecognizable insn and an insn that
12698 has the code number of a define_expand.
12699 (main): Pass insn_code_number to gen_insn. Call print_header
12700 only after parsing. Avoid unnecessary use of printf.
12701 * Makefile.in (build/vec.o): New rule.
12702 (build/genextract): Depend on build/vec.o.
12703 (build/genextract.o): Don't depend on insn-config.h.
12705 2006-01-22 Zack Weinberg <zackw@panix.com>
12707 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12708 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12709 practical. Eliminate per-generator-program link rules.
12711 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12713 PR middle-end/24437
12714 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12715 with a call expr to ...
12716 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12718 2006-01-23 Richard Guenther <rguenther@suse.de>
12720 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12721 before make_edge with conditional EDGE_TRUE_VALUE.
12723 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12724 Jan Hubicka <jh@suse.cz>
12725 Richard Guenther <rguenther@suse.de>
12727 PR rtl-optimization/25654
12728 * cfgexpand.c (aggregate_contains_union_type): New function.
12729 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12730 for structure variables that contain a union type.
12732 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12734 * gengtype.c (new_structure): Return the structure.
12735 (create_option): Add an extra "next" argument.
12736 (create_field): New function.
12737 (adjust_field_rtx_def): Use create_option and create_field.
12738 Remove a now-unnecessary call to find_structure.
12739 (adjust_field_tree_def): Likewise.
12740 (note_yacc_type): Remove an unnecessary call to find_structure.
12741 * gengtype.h (new_structure): Return the structure.
12742 (create_option): Add an extra argument.
12743 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12744 (option): Adjust calls to create_option.
12746 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12748 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12750 2006-01-22 Paul Brook <paul@codesourcery.com>
12751 Peter Barada <peter@the-baradas.com>
12753 * config/m68k/m68k.md: Add Coldfire FPU support.
12754 Define FP mode macro and associated attributes.
12755 Use it for float mode patterns.
12756 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12757 (LIBCALL_VALUE): Use m68k_libcall_value.
12758 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12759 (m68k_function_value): Ditto.
12760 (emit_move_sequence): Ditto.
12761 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12762 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12763 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12764 (MULTILIB_EXCEPTIONS): Ditto.
12765 * config/m68k/m68k.opt: Add mcfv4e.
12766 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12767 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12768 (m68k_output_function_prologue): Save ColdFire FPU registers.
12769 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12770 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12771 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12772 ColdFire FPU registers.
12773 (m68k_libcall_value, m68k_function_value): New functions.
12774 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12775 (LIBCALL_VALUE): Use m68k_libcall_value.
12776 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12777 (MASK_COLDFIRE): Add MASK_CFV4E.
12778 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12779 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12780 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12781 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12782 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12783 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12784 * doc/invoke.tex: Document -mcfv4e on m68k.
12786 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12788 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12791 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12794 * c-opts.c (c_common_handle_option): Don't include
12795 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12796 * doc/invoke.texi (C++ Dialect Options): Document that
12797 -Wnon-virtual-dtor is no longer included in -Wall.
12799 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12801 * gcov.c (print_version), gcov-dump.c (print_version),
12802 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12805 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12807 * df-scan.c (problem_SCAN): Added NULL reset function.
12808 (df_scan_reset_blocks): Added code to call reset block function
12809 (df_bb_refs_delete) Fixed comment.
12810 (df_insn_refs_delete): Made tolerant of deleting non existent info
12811 for dataflow problems that need to be reset.
12812 * df-core.c (df_set_blocks): Ditto.
12813 * df.h (struct df_problem): Added reset_fun.
12814 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12815 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12816 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12817 functions to clear out all references to def-use or use-def chains.
12819 2006-01-21 Ben Elliston <bje@au.ibm.com>
12821 * varasm.c (assemble_real): Initialise data array.
12823 2006-01-20 Paul Brook <paul@codesourcery.com>
12825 Merge from csl-arm-branch.
12826 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12827 * config/arm/arm.md (movdi): Force operands[1] to a register
12828 if we have a non-register source.
12829 (*arm_movdi, *movdf_soft_insn): Require that one of the
12830 operands be a register.
12831 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12832 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12834 2006-01-20 DJ Delorie <dj@redhat.com>
12836 * varasm.c (initializer_constant_valid_p): Allow pointers
12837 initialized from integer constants of lesser precision.
12838 (output_constant): Allow non-int-sized pointer modes to be
12839 initialized from integer constants.
12841 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12844 * cppdefault.h (struct default_include): Add multilib flag.
12845 * cppdefault.c (cpp_include_defaults): Set it.
12846 * c.opt (-imultilib): New option.
12847 * c-opts.c (imultilib): New.
12848 (c_common_handle_option): Handle -imultilib.
12849 (c_common_post_options): Likewise.
12850 * c-incpath.c (add_standard_paths, register_include_chains):
12852 * c-incpath.h (register_include_chains): Add extra parameter.
12853 * gcc.c (do_spec_1): Generate -imultilib option.
12854 (The Specs Language): Update %I description.
12855 (process_command): Update copyright notice.
12856 * doc/cppopts.texi (-imultilib): Document.
12857 * doc/invoke.texi (-imultilib): Include in option summary.
12858 (%I): Update specs documentation.
12860 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12862 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12864 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12866 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12869 2006-01-20 Richard Guenther <rguenther@suse.de>
12870 Steven Bosscher <stevenb.gcc@gmail.com>
12872 PR rtl-optimization/24626
12873 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12874 EDGE_TRUE_VALUE if in RTL mode.
12877 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12878 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12880 2006-01-20 Dirk Mueller <dmueller@suse.com>
12883 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12884 instead of a special NOP marker.
12885 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12886 NOP marker handling.
12887 * c-common.h (empty_body_warning): Add forward declaration.
12888 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12889 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12891 2006-01-20 Paul Brook <paul@codesourcery.com>
12893 * Makefile.in (lang_checks): Keep going if mkdir fails.
12895 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12897 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12898 be able to clean out basic block when not necessary.
12899 (df_scan_free): Fixed to properly delete information if df is
12900 unused before calling df_finish.
12901 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12902 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12904 (df_bb_refs_delete): New function.
12905 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12906 * df-core.c (df_set_blocks): Added code to properly clean out
12907 unused blocks if they are not part of the blocks to consider.
12908 Added additional null check.
12909 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12910 be able to clean out basic block when not necessary
12911 * df.h (df_free_bb_function): Ditto.
12912 (df_bb_refs_delete): New function.
12913 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12914 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12915 basic block parameter to be able to clean out basic block when not
12917 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12918 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12919 Fixed to properly delete information if df is unused before
12922 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12924 PR rtl-optimization/25799
12925 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12926 Corrected confluence operator to remove bits from op2 before oring
12927 with op1 rather than removing bits from op1.
12928 (df_ru_transfer_function): Corrected test on wrong bitmap which
12929 caused infinite loop. Both of these problems were introduced in
12930 the dataflow rewrite.
12932 2006-01-19 DJ Delorie <dj@redhat.com>
12934 * reload1.c (find_reload_regs): Note the details of reload
12935 failures in the dump file.
12936 (spill_failure): Likewise.
12938 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12940 * loop-iv.c: Include df.h and hashtab.h.
12941 (enum iv_grd_result): New enum.
12942 (DF_REF_IV, DF_REF_IV_SET): New macros.
12943 (struct biv_entry): New.
12944 (df, bivs): New global variables.
12945 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12946 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12948 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12949 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12950 analyzed_for_bivness_p, record_biv): New functions.
12951 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12952 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12953 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12955 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12957 (iv_number_of_iterations): Use new interface to iv analysis.
12958 * loop-unroll.c: Do not include varray.h.
12959 (analyze_iv_to_split_insn): Use new interface to iv
12961 * loop-unswitch.c (may_unswitch_on): Ditto.
12962 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12964 (df_bb_modify): Realloc tables to the new index.
12965 (df_find_use): New function.
12966 * df.h (df_find_use): Declare.
12967 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12969 * cfgloop.h (struct rtx_iv): Remove analysed field.
12970 (iv_get_reaching_def): Removed.
12971 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12972 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12973 (loop-iv.o): Add df.h and hashtab.h dependency.
12974 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12976 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12979 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12981 (__floatundisf, __floatundidf): Likewise.
12982 * libgcc2.h (IS_IBM_EXTENDED): Define.
12984 2006-01-19 DJ Delorie <dj@redhat.com>
12986 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12988 2006-01-19 Paul Brook <paul@codesourcery.com>
12990 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12991 as nothrow when unwinding tables are disabled.
12993 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12996 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12997 of bit-field" when in system header.
12999 2006-01-19 DJ Delorie <dj@redhat.com>
13001 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13002 the 16 bit shift limit of the m16c.
13004 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13007 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13008 * config/i386/i386.c (output_set_got): Output the label if we have one
13009 for the TARGET_DEEP_BRANCH_PREDICTION case.
13011 2006-01-19 Jan Hubicka <jh@suse.cz>
13012 H.J. Lu <hongjiu.lu@intel.com>
13013 Evandro Menezes <evandro.menezes@amd.com>
13015 * invoke.texi (generic): Document
13017 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13018 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13019 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13020 (x86_use_incdec, x86_pad_returns): New variables
13021 (TARGET_CPU_DEFAULT_generic): New constant
13022 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13023 (enum processor_type): Add generic32 and generic64.
13024 * i386.md (cpu attribute): Add generic32/generic64
13025 (movhi splitter): Behave sanely when both partial_reg_dependency and
13026 partial_reg_stall are set.
13027 (K8 splitters): Enable for generic as well.
13028 * predicates.md (incdec_operand): Use TARGET_INCDEC
13029 (aligned_operand): Avoid memory mismatch stalls.
13030 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13031 * ppro.md: Enable for generic32
13032 * i386.c (generic64_cost, generic32_cost): New.
13033 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13034 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13035 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13036 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13037 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13038 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13039 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13040 x86_accumulate_outgoing_args, x86_prologue_using_move,
13041 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13042 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13043 Enable for generic.
13044 (x86_use_incdec, x86_pad_returns): New.
13045 (override_options): Add generic32 and generic64, translate "generic"
13046 to generic32/generic64 and "i686" to "generic32", refuse
13047 "generic32"/"generic64" as arch target.
13048 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13049 (ix86_reorg): Honor PAD_RETURNS.
13051 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13053 * tree-pretty-print.c (dump_generic_node): Handle
13054 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13055 * cgraph.c (cgraph_expand_queue): Rename from
13056 cgraph_analyze_queue. Update all users.
13057 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13058 cgraph_expand_queue.
13059 (cgraph_expand_all_functions): Likewise.
13060 (cgraph_finalize_pending_functions): Remove. Update callers.
13062 * tree.h (OMP_DIRECTIVE_P): Define.
13063 (OMP_PARALLEL_FN): Define.
13064 (OMP_PARALLEL_DATA_ARG): Define.
13065 (OMP_SECTIONS_SECTIONS): Define.
13066 * tree-pass.h (pass_expand_omp): Declare.
13067 * omp-low.c (struct omp_region): Declare.
13068 (struct omp_context): Remove fields 'parallel_type',
13069 'parallel_start_ix' and 'parallel_start_additional_args'.
13071 (struct omp_for_data): Rename from struct expand_omp_for_data.
13072 (omp_regions): New static variable.
13073 (root_omp_region): New static variable.
13074 (find_omp_clause): Make static.
13075 (is_in_combined_parallel_ctx): Remove.
13076 (is_combined_parallel): New.
13077 (extract_omp_for_data): Move earlier in the file.
13078 (workshare_safe_to_combine_p): New.
13079 (get_ws_args_for): New.
13080 (determine_parallel_type): Move earlier in the file.
13081 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13083 (omp_copy_decl): Likewise.
13084 (create_omp_child_function): Likewise.
13085 (lookup_omp_region): New.
13086 (dump_omp_region): New.
13087 (debug_omp_region): New.
13088 (debug_all_omp_regions): New.
13089 (new_omp_region): New.
13090 (scan_omp_parallel): If parallel_nesting_level > 1, the
13091 directive is nested within another parallel directive.
13092 Set OMP_PARALLEL_FN.
13093 (scan_omp_for): Do not try to handle combined parallel+for
13095 Remove FIXME comment.
13096 (scan_omp_nested): Remove.
13097 (scan_omp_1): Do not call scan_omp_nested when
13098 parallel_nesting_level is > 1.
13099 Do not change the DECL_CONTEXT of local variables found.
13100 (lookup_decl_in_outer_ctx): New.
13101 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13102 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13103 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13104 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13105 If CTX is nested, lookup VAR in the outer context when
13106 building copy assignment.
13107 (lower_send_clauses): Rename from expand_send_clauses.
13108 If CTX is nested, lookup VAR in the outer context when
13109 building copy assignments.
13110 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13111 If CTX is nested, lookup VAR in the outer context when
13112 building copy assignments.
13113 (expand_parallel_call): Rename from build_parallel_call.
13114 Handle combined parallel+workshare cases.
13115 Re-implement to emit code into the CFG.
13117 (expand_omp_parallel): Re-implement to emit code into the CFG.
13118 Call move_sese_region_to_fn to outline the sub-graph
13119 containing the parallel region.
13120 (expand_omp_for_1): Remove.
13121 (expand_omp_for_generic): Re-implement to emit code into the
13123 (expand_omp_for_static_nochunk): Likewise.
13124 (expand_omp_for_static_chunk): Likewise.
13125 (expand_omp_for): Likewise.
13126 (expand_omp_sections): Likewise.
13127 (remove_exit_barriers): New.
13128 (expand_omp_synch): New.
13130 (build_omp_regions_1): New.
13131 (build_omp_regions): New.
13132 (execute_expand_omp): New.
13133 (gate_expand_omp): New.
13134 (pass_expand_omp): Define.
13135 (lower_omp_sections): Rename from expand_omp_sections.
13136 Set OMP_SECTIONS_SECTIONS.
13137 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13138 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13139 (lower_omp_single): Rename from expand_omp_simple.
13140 (lower_omp_master): Rename from expand_omp_master.
13141 (lower_omp_ordered): Rename from expand_omp_ordered.
13142 (lower_omp_critical): Rename from expand_omp_critical.
13143 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13144 (lower_omp_for): Re-implement.
13145 (lower_omp_parallel): Re-implement.
13146 (lower_regimplify): Rename from expand_regimplify.
13147 (lower_omp_1): Rename from expand_omp_1.
13148 If there are syntax errors in the program, replace every
13149 OpenMP directive with NOP.
13150 Call lower_omp_* instead of expand_omp_*.
13151 (lower_omp): Rename from expand_omp.
13153 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13154 * tree-gimple.h (enum omp_parallel_type): Remove.
13155 (gimple_boolify): Declare extern.
13156 (find_omp_clause, determine_parallel_type): Remove.
13158 * gimple-low.c (lower_omp_directive): New.
13159 (lower_stmt): Call it.
13160 (record_vars_into): Move from ...
13161 (record_vars): ... here.
13162 Call record_vars_into with current_function_decl.
13164 * gimplify.c (struct gimplify_ctx): Remove fields
13165 combined_pre_p and combined_ctxp. Update users.
13166 (get_formal_tmp_var): Add documentation.
13167 (gimple_boolify): Make extern.
13168 (gimplify_expr_in_ctx): Remove. Update callers.
13169 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13170 will always be a BIND_EXPR.
13171 (gimplify_expr): Handle OMP_RETURN_EXPR.
13172 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13173 (OMP_PARALLEL): Add 3 operands.
13174 (OMP_SECTIONS): Add 1 operand.
13175 (OMP_RETURN_EXPR): Define.
13177 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13178 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13179 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13180 creating a circular free list.
13181 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13183 * tree-flow.h (move_sese_region_to_fn): Declare.
13184 (record_vars_into): Declare.
13185 * tree-cfg.c (make_omp_sections_edges): New.
13186 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13187 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13188 OMP_SECTIONS and OMP_SECTION.
13189 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13190 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13191 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13192 (gather_blocks_in_sese_region): New.
13193 (struct move_stmt_d): Declare.
13194 (move_stmt_r): New.
13195 (move_block_to_fn): New.
13196 (move_sese_region_to_fn): New.
13198 * passes.c (init_optimization_passes): Schedule
13199 pass_expand_omp after pass_init_datastructures.
13201 * tree-ssa-operands.c (get_expr_operands): Handle
13202 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13203 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13205 2006-01-19 Jeff Law <law@redhat.com>
13207 * tree-vrp.c (extract_range_from_assert): Refine the result range
13208 if the variable referenced by the ASSERT_EXPR has a range and
13209 either the tentative result range or the previous range is a
13212 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13214 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13216 2006-01-19 Jan Hubicka <jh@suse.cz>
13218 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13220 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13222 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13223 (expand_compound_operation, expand_field_assignment): Fail if the
13224 bit lengths of an extract operation are out of range.
13225 (make_extraction): Compute wanted_inner_mode based on the position
13226 and length of the extraction. Make it extraction_mode for non-constant
13227 positions, and do not modify offset in that case. When generating a
13228 new MEM, use a mode that can hold the extraction while keeping correct
13229 alignment. Remove code that supported MEMs wrapped by USEs.
13230 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13232 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13234 * config/s390/s390.md ("Y", "y"): New mode attribute.
13235 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13236 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13237 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13238 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13239 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13240 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13241 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13242 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13243 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13244 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13245 "addsi3", "subsi3"): Insn patterns removed.
13246 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13247 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13248 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13249 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13250 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13251 "*sub<mode>3_cconly2"): New insn patterns.
13252 ("addsi3", "subsi3"): New expanders.
13254 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13256 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13257 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13258 existing STMT_VINFO_VECTYPE if available.
13259 (vect_mark_relevant): Add special handling for stmts that are
13260 marked as STMT_VINFO_IN_PATTERN_P.
13261 (vect_analyze_loop): Call vect_pattern_recog.
13262 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13263 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13265 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13266 (vect_recog_func_ptr): New function-pointer type.
13267 * tree-vect-patterns.c: New file.
13268 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13269 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13270 (vect_pattern_recog_1): New functions.
13271 (vect_pattern_recog_funcs): New array of function pointers.
13273 * tree-vectorizer.h (ternary_op): New enum value.
13274 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13275 declaration. Revised documentation. Removed redundant dump prints.
13276 Removed redundant argument. Added support for reduction patterns.
13277 (vectorizable_reduction): Added support for reduction patterns.
13278 (vect_transform_stmt): Added support for patterns.
13280 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13281 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13282 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13283 (expand_widen_pattern_expr): New function.
13284 (init_optabs): Initialize new optabs udot_prod_optab,
13286 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13287 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13288 (expand_widen_pattern_expr): New function declaration.
13289 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13291 * tree-inline.c (estimate_num_insns_1): Added cases for new
13292 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13293 * tree-pretty-print.c (dump_generic_node): Likewise.
13294 (op_prio): Likewise.
13295 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13296 * tree-ssa-operands.c (get_expr_operands): Added case for
13298 * tree-vect-patterns.c (widened_name_p): New function.
13299 (vect_recog_dot_prod_pattern): Added function implementation.
13300 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13301 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13302 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13303 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13305 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13306 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13307 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13308 (init_optabs): Initialize new optabs widen_ssum_optab,
13310 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13311 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13312 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13313 use instead of type of def.
13314 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13315 function implementation.
13316 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13317 widen_ssumv8hi): New.
13319 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13322 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13325 * c-decl.c (add_flexible_array_elts_to_size): New function.
13326 (finish_decl): Use it.
13328 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13330 * diagnostic.h: Include options.h.
13331 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13332 dependancies for diagnostic.h.
13333 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13335 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13337 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13338 (ssa_ro_call_cache_valid): Ditto.
13339 * tree-ssa-alias.c (sort_tags_by_id): New function.
13340 (init_transitive_clobber_worklist): Ditto.
13341 (add_to_worklist): Ditto.
13342 (mark_aliases_call_clobbered): Ditto.
13343 (compute_tag_properties): Ditto.
13344 (set_initial_properties): Ditto.
13345 (compute_call_clobbered): Ditto.
13346 (compute_may_aliases): Call compute_call_clobbered and grouping.
13347 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13348 (compute_flow_insensitive_aliasing): Grouping now happens in our
13350 (setup_pointers_and_addressables): Remove clobbering related code.
13351 (add_may_alias): Ditto.
13352 (replace_may_alias): Ditto.
13353 (get_nmt_for): Ditto.
13354 (create_global_var):
13355 (is_escape_site): Return an escape_type enumeration.
13356 * tree-flow-inline.h (is_call_clobbered): Global var does not
13357 imply call clobbered.
13358 (mark_call_clobbered): Take a reason for marking this. Remove
13359 marking of globalness, and cache invalidation.
13360 (clear_call_clobbered): Remove cache invalidation code.
13361 * tree-dfa.c (dump_variable): If details is on, dump the reason
13363 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13365 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13366 (struct var_ann_d): Ditto.
13367 (enum escape_type): New.
13368 (mark_call_clobbered): Adjust prototype.
13369 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13370 are never call clobbered.
13371 Record reasons for escaping.
13372 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13373 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13374 (ssa_ro_call_cache_valid): Ditto.
13375 (clobbered_v_may_defs): Ditto.
13376 (clobbered_vuses): Ditto.
13377 (ro_call_vuses): Ditto.
13378 (clobber_stats): New.
13379 (init_ssa_operands): Zero out clobber stats.
13380 (fini_ssa_operands): Print out clobber stats.
13381 (get_call_expr_operands): Pass callee fndecl to
13382 add_call_read_ops).
13383 (add_call_clobber_ops): Remove use of cache.
13384 Add use of PURE_CONST information.
13385 (add_call_read_ops): Remove use of cache.
13386 Add use of static not_read information.
13388 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13390 Introduce TLS descriptors for i386 and x86_64.
13391 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13392 (TARGET_ANY_GNU_TLS): New macro.
13393 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13394 (struct machine_function): Add tls_descriptor_call_expanded_p.
13395 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13396 (ix86_current_function_calls_tls_descriptor): Likewise.
13397 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13398 (override_options): Introduce gnu2 tls dialect.
13399 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13401 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13403 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13404 (ix86_init_machine_status): Initialize new field.
13405 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13406 (ix86_tls_module_base): New.
13407 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13408 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13409 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13410 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13411 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13412 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13413 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13414 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13415 * config/i386/predicates.md (tls_modbase_operand): New.
13416 (tp_or_register_operand): New.
13418 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13420 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13421 (look_for_address_of): Ditto.
13422 (ipa_init): Walk the function decls.
13423 (static_execute): Don't set readonly on FUNCTION_DECL's.
13425 2006-01-18 Roger Sayle <roger@eyesopen.com>
13427 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13428 for shifts where the source and destination registers are different.
13430 2006-01-18 Paul Brook <paul@codesourcery.com>
13432 Merge from csl-arm-branch.
13433 2005-03-14 Julian Brown <julian@codesourcery.com>
13434 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13435 (aeabi_llsl): Likewise.
13436 (ashrdi3): Likewise.
13437 (aeabi_lasr): Likewise.
13438 (lshrdi3): Likewise.
13439 (aeabi_llsr): Likewise.
13440 2005-03-10 Julian Brown <julian@codesourcery.com>
13441 * config.gcc: Disable shared libgcc for SymbianOS.
13442 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13444 2006-01-18 DJ Delorie <dj@redhat.com>
13446 * c-pragma.c (handle_pragma_diagnostic): New.
13447 (init_pragma): Register it.
13448 * doc/extend.texi: Document it.
13450 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13451 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13452 (diagnostic_context): Add classify_diagnostic[].
13453 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13454 as errors if they're overridden to DK_WARNING.
13455 (diagnostic_initialize): Initialize classify_diagnostic[].
13456 (diagnostic_set_kind_override): New.
13457 (diagnostic_report_diagnostic): Check for kind changes.
13458 * opts.c (common_handle_option): Take lang_mask. Update callers.
13459 Handle OPT_Werror_.
13460 * common.opt (Werror=): New.
13461 * doc/invoke.texi: Document -Werror=*
13463 2006-01-18 Jeff Law <law@redhat.com>
13465 * tree-vrp.c (test_for_singularity): Correct test for new
13466 min limit. Use operand_equal_p rather than pointer equality
13467 for testing if new min/max values are equal.
13469 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13470 using range information until after propagation and folding.
13472 2006-01-18 Richard Henderson <rth@redhat.com>
13473 Aldy Hernandez <aldyh@redhat.com>
13474 Jakub Jelinek <jakub@redhat.com>
13475 Diego Novillo <dnovillo@redhat.com>
13477 * omp-low.c: New file.
13478 * c-omp.c: New file.
13480 2006-01-18 Richard Henderson <rth@redhat.com>
13481 Jakub Jelinek <jakub@redhat.com>
13482 Diego Novillo <dnovillo@redhat.com>
13484 * doc/invoke.texi: Document -fopenmp.
13485 * tree-dump.h (debug_function): Declare.
13486 * hooks.c (hook_bool_tree_bool_false): New function.
13487 (hook_tree_tree_null): Remove.
13488 (hook_tree_tree_tree_null): New.
13489 * hooks.h: Update to match.
13490 * tree-pretty-print.c (debug_tree_chain): New.
13491 (print_generic_expr): Handle TDF_CHAIN.
13492 (dump_generic_node): Handle BLOCK.
13493 Do not abort with incomplete SWITCH_EXPRs.
13494 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13495 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13496 print space after directive name.
13497 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13498 Handle OMP_MASTER and OMP_ORDERED.
13499 Handle printing of OMP_BODY just in one place, goto
13500 dump_omp_body in the rest of OMP_* nodes that have
13502 Don't handle clause nodes here. Update omp statements to
13503 use dump_omp_clauses.
13504 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13505 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13506 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13507 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13508 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13509 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13510 Adjust output for GOMP_PARALLEL.
13511 (dump_omp_clauses): New.
13512 (print_declaration): Dump DECL_VALUE_EXPR.
13513 (op_symbol_1): Split out of op_symbol.
13514 (dumping_stmts): Remove. Update all users.
13515 * cgraph.c (cgraph_analyze_queue): New.
13516 (cgraph_add_new_function): New.
13517 * cgraph.h (cgraph_analyze_queue): Declare.
13518 (cgraph_add_new_function): Declare.
13519 (cgraph_lower_function): Remove.
13520 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13521 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13522 and TYPE_P nodes in its default clause.
13523 (empty_body_p): New.
13524 (tree_range_check_failed): New.
13525 (build5_stat): New.
13526 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13527 OMP_CLAUSE_REDUCTION_MERGE,
13528 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13529 OMP_CLAUSE_PRIVATE_DEBUG,
13530 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13531 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13532 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13533 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13534 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13535 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13536 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13537 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13538 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13539 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13540 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13541 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13542 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13543 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13544 (TREE_RANGE_CHECK): New.
13545 (empty_body_p): Declare.
13546 (enum omp_clause_default_kind): New.
13547 (build_string_literal): Declare.
13548 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13549 (build5_stat, build5): Declare.
13550 * tree-pass.h (TDF_CHAIN): Define.
13551 * tree-pass.h (PROP_gimple_lomp): Define.
13552 (pass_lower_omp): Declare.
13553 * diagnostic.h (debug_tree_chain): Declare.
13554 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13556 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13557 * builtins.c (build_string_literal): Make extern.
13558 * gcc.c (include_spec_function): New.
13559 (static_spec_functions): Add it.
13560 (main): Move load of libgomp.spec ...
13561 (LINK_COMMAND_SPEC): ... here.
13562 (link_gomp_spec): New.
13563 (static_specs): Include it.
13564 (LINK_COMMAND_SPEC): Add link_gomp.
13565 (GOMP_SELF_SPECS): New.
13566 (driver_self_specs): Include it.
13567 (switch_matches): Don't mark inline.
13568 (main): Load libgomp.spec.
13569 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13570 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13571 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13572 * tree-gimple.h (enum omp_parallel): Declare.
13573 (determine_parallel_type): Declare.
13574 (omp_firstprivatize_variable): Declare.
13575 (omp_reduction_init): Declare.
13576 (diagnose_omp_structured_block_errors): Declare.
13577 (struct walk_stmt_info): Add want_return_expr.
13578 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13579 (find_omp_clause): Declare.
13580 (insert_field_into_struct): Declare.
13581 (struct walk_stmt_info): Move from tree-nested.c
13582 (walk_stmts): Declare.
13583 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13585 * cgraphunit.c (cgraph_lower_function): Make static.
13586 (cgraph_finalize_pending_functions): New.
13587 (cgraph_finalize_function): Call it.
13588 (cgraph_finalize_compilation_unit): Likewise.
13589 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13590 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13591 (BT_FN_UINT_UINT): New.
13592 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13593 DEF_FUNCTION_TYPE_VAR_4): Document.
13594 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13595 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13596 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13597 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13598 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13599 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13600 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13601 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13602 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13603 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13604 into separate files.
13605 (DEF_GOMP_BUILTIN): New.
13606 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13607 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13608 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13609 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13610 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13611 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13612 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13613 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13614 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13615 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13616 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13617 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13618 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13619 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13620 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13621 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13622 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13623 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13624 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13625 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13626 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13627 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13628 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13629 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13630 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13631 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13632 * sync-builtins.def: New file, moved from builtins.def.
13633 * omp-builtins.def: New file, moved from builtins.def.
13634 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13635 * gimple-low.c (lower_function_body): Clear data.
13636 (lower_stmt): Do not handle COMPOUND_EXPR.
13637 Remove call to print_node_brief.
13638 * c-tree.h (c_finish_omp_clauses): New prototype.
13639 (C_DECL_THREADPRIVATE_P): Define.
13640 (lookup_name_no_remap, c_omp_remap_private): Remove
13641 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13642 (check_for_loop_decls): Update decl.
13643 (lookup_name_no_remap, c_omp_remap_private): Declare.
13644 (build_indirect_ref, build_modify_expr, pushdecl,
13645 pushdecl_top_level): Move to c-common.h.
13646 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13647 before the switch, but just in the 2 places that need it.
13648 * c-decl.c (diagnose_mismatched_decls): Do not check for
13649 mismatched thread-local attributes when OLDDECL is marked
13650 threadprivate and NEWDECL has no thread-local attributes.
13651 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13652 (c_gimple_diagnostics_recursively): Rename from
13653 c_warn_unused_result_recursively. Invoke
13654 diagnose_omp_structured_block_errors.
13655 (check_for_loop_decls): Return a singular decl found.
13656 * langhooks.c (lhd_omp_predetermined_sharing): Return
13657 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13658 (lhd_omp_firstprivatize_type_sizes): New.
13659 (lhd_omp_assignment): New.
13660 (lhd_omp_predetermined_sharing): New.
13661 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13662 (struct lang_hooks_for_types): Add
13663 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13664 omp_predetermined_sharing, omp_disregard_value_expr,
13665 omp_private_debug_clause, omp_clause_default_ctor,
13666 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13667 (c_finish_omp_clauses): New.
13668 (c_finish_bc_stmt): Diagnose break within omp for.
13669 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13670 (build_unary_op): Return error_mark after reporting
13672 (build_modify_expr): Likewise.
13673 * gimplify.c: Include optabs.h and pointer-set.h.
13674 (enum gimplify_omp_var_data): Declare.
13675 (struct gimplify_omp_ctx): Declare.
13676 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13678 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13679 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13680 (splay_tree_compare_decl_uid): New.
13681 (new_omp_context): New.
13682 (delete_omp_context): New.
13683 (gimple_add_tmp_var): Call omp_add_variable.
13684 (gimplify_bind_expr): Likewise.
13685 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13686 true, disregard DECL_VALUE_EXPR on the decl if any.
13687 (gimplify_expr_in_ctx): New.
13688 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13689 omp_add_variable, omp_notice_variable, omp_is_private
13690 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13691 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13692 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13693 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13694 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13695 gimplify_omp_atomic): New.
13696 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13697 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13698 OMP_CRITICAL and OMP_ATOMIC.
13699 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13700 * c-pragma.h (enum pragma_kind): Add
13701 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13702 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13703 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13704 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13705 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13706 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13707 PRAGMA_OMP_THREADPRIVATE.
13708 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13709 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13710 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13711 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13712 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13713 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13714 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13715 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13716 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13717 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13718 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13719 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13720 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13722 (struct nesting_info): Add field_map,
13723 suppress_expansion, debug_var_chain.
13724 (create_nesting_tree): Initialize them.
13725 (lookup_field_for_decl): Use field_map.
13726 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13727 (convert_local_omp_clauses): New.
13728 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13729 (walk_body): Split out of walk_function.
13730 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13731 (convert_nonlocal_reference): Handle omp statements.
13732 (convert_local_reference): Likewise.
13733 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13734 (unnest_nesting_tree): New.
13735 (lower_nested_functions): Call it.
13736 (insert_field_into_struct): Make extern.
13737 (struct walk_stmt_info): Move to tree-gimple.h.
13738 (walk_stmts): Make extern.
13739 * omp-builtins.def: New file.
13740 * tree-iterator.c (expr_only): Clarify comment.
13741 * c-common.h (pushdecl_top_level, pushdecl,
13742 build_modify_expr, build_indirect_ref,
13743 c_finish_omp_master, c_finish_omp_critical,
13744 c_finish_omp_ordered, c_finish_omp_barrier,
13745 c_finish_omp_atomic, c_finish_omp_flush,
13746 c_finish_omp_for, c_split_parallel_clauses,
13747 omp_clause_default_kind, c_omp_sharing_predetermined,
13748 c_omp_remap_decl): Declare.
13749 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13750 (OBJS-common): Add omp-low.o.
13751 (c-omp.o, omp-low.o): Add.
13752 (gimplify.o): Add dependency on $(OPTABS_H).
13753 (GTFILES): Add omp-low.c.
13754 (gt-stringpool.h): Add.
13755 * tree-cfg.c (set_bb_for_stmt): Do not update the
13756 block-to-labels map if we are currently expanding to RTL.
13757 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13759 Handle IDENTIFIER_NODE.
13760 (tree_verify_flow_info): Do not ICE when emitting error
13761 messages about invalid labels.
13762 (dump_function_to_file): Reset CFUN before emitting the body
13764 (debug_function): New.
13765 * passes.c (init_optimization_passes): Schedule
13767 * langhooks-def.h (lhd_omp_predetermined_sharing,
13768 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13770 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13771 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13772 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13773 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13774 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13775 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13776 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13777 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13778 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13779 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13780 (LANG_HOOK_DECLS): Use them.
13782 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13783 Richard Henderson <rth@redhat.com>
13784 Jakub Jelinek <jakub@redhat.com>
13785 Diego Novillo <dnovillo@redhat.com>
13787 * c-parser.c (pragma_omp_clause): Define.
13788 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13789 (c_parser_compound_statement): Likewise.
13790 (c_parser_statement): Likewise.
13791 (c_parser_pragma): Handle omp pragmas.
13792 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13793 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13794 (c_parser_omp_clause_name, check_no_duplicate_clause,
13795 c_parser_omp_variable_list,
13796 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13797 c_parser_omp_clause_copyprivate,
13798 c_parser_omp_clause_default,
13799 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13800 c_parser_omp_clause_lastprivate,
13801 c_parser_omp_clause_nowait,
13802 c_parser_omp_clause_num_threads,
13803 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13804 c_parser_omp_clause_reduction,
13805 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13806 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13807 c_parser_omp_atomic, c_parser_omp_barrier,
13808 c_parser_omp_critical, c_parser_omp_flush,
13809 c_parser_omp_for_loop, c_parser_omp_for,
13810 c_parser_omp_master, c_parser_omp_ordered,
13811 c_parser_omp_sections_scope, c_parser_omp_sections,
13812 c_parser_omp_parallel, c_parser_omp_single,
13813 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13814 * c-pragma.c (init_pragma): Do omp pragma registration here.
13815 * c.opt (fopenmp): New flag.
13817 2006-01-18 Eric Christopher <echristo@apple.com>
13819 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13820 * config/darwin.h (GOMP_SELF_SPECS): Define.
13822 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13824 * rtl.h: Remove the prototype for reg_alloc.
13826 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13829 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13830 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13831 sjlj and dwarf2 exception handling.
13832 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13833 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13834 * pa/pa.c (function_value): Treat complex and vector types as
13836 (function_arg): Likewise. Only pass scalar floats in the floating
13837 point argument registers.
13838 * pa/t-slibgcc-dwarf-ver: New file.
13839 * pa/t-slibgcc-sjlj-ver: New file.
13840 * pa/t-slibgcc-elf-ver: Delete file.
13842 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13844 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13845 unlikely_test_section_p test.
13847 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13849 * mode-switching.c (optimize_mode_switching): Make it static.
13850 * basic-block.h: Remove the prototype for
13851 optimize_mode_switching.
13853 * modulo-sched.c (sms_schedule): Make it static.
13854 * rtl.h: Remove the prototype for sms_schedule.
13856 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13857 * rtl.h: Remove the prototype for gcse_after_reload_main.
13859 * reg-stack.c (reg_to_stack): Make it static.
13860 * rtl.h: Remove the prototype for reg_to_stack.
13862 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13864 * rtl.h: Remove the prototypes for regrename_optimize and
13865 copyprop_hardreg_forward.
13867 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13869 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13870 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13871 Test against the appropriate null constant for the mode.
13872 If 'fixup_overlap' is true, swap the operands if they overlap.
13873 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13874 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13875 alpha_split_tmode_pair and adjust for above change.
13876 * config/alpha/alpha.md (movtf_internal): Adjust call to
13877 alpha_split_tfmode_pair and rely on it to swap the operands.
13878 (movti_internal): New insn and post-reload splitter.
13879 (movti): New expander.
13881 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13883 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13886 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13888 * rtlanal.c (global_reg_mentioned_p_1,
13889 global_reg_mentioned_p): Remove.
13890 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13892 * flow.c (initialize_uninitialized_subregs): Make it static.
13893 * rtl.h: Remove the prototype for
13894 initialize_uninitialized_subregs.
13896 * function.c (instantiate_virtual_regs): Make it static.
13897 * function.h: Remove the prototype for
13898 instantiate_virtual_regs.
13900 * regmove.c (regmove_optimize, combine_stack_adjustments):
13902 * rtl.h: Remove the prototypes for regmove_optimize and
13903 combine_stack_adjustments.
13905 2006-01-17 Roger Sayle <roger@eyesopen.com>
13907 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13908 (size_cost): Encode costs in bytes so that a reg-reg addition is
13909 equivalent to COSTS_N_INSNS(1).
13910 (override_options): Use the size_cost.branch_cost as the default
13911 ix86_branch_cost when optimizing for size.
13913 2006-01-18 Ben Elliston <bje@au.ibm.com>
13915 * Makefile.in (D32PBIT_FUNCS): New.
13916 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13917 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13918 D64PBIT_FUNCS and D128PBIT_FUNCS.
13919 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13920 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13922 (decnumber_dep): Define.
13923 * doc/libgcc.texi (Decimal float library routines): New node.
13924 * config/dfp-bit.h, config/dfp-bit.c: New files.
13926 2006-01-18 Ben Elliston <bje@au.ibm.com>
13928 * expr.c (emit_move_change_mode): Always adjust addresses, not
13929 just during reload. Copy replacements only during reload.
13930 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13931 emit_move_via_integer.
13933 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13935 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13936 instead of $(srcdir) and ${srcdir}.
13938 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13941 PR middle-end/11135
13942 * arm.h (struct machine_function): Add pic_reg.
13943 * arm.c (arm_pic_register): Make unsigned.
13944 (arm_override_options): Only set arm_pic_register if
13945 TARGET_SINGLE_PIC_BASE.
13946 (use_return_insn): Only test for a pic register if it is fixed.
13947 (arm_compute_save_reg0_reg12_mask): Likewise.
13948 (thumb_compute_save_reg_mask): Likewise.
13949 (legitimate_pic_operand): Factor out some known invariants.
13950 (legitimize_pic_address): If we don't have a fixed pic register,
13951 then set up a pseudo in the function entry sequence. Handle the
13952 pic base being in a pseudo.
13953 (arm_load_pic_register): Handle the pic register being in a pseudo.
13954 (arm_expand_prologue): Only set up the pic register if it is fixed.
13955 (thumb_expand_prologue): Likewise.
13956 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13957 (pic_load_addr_based_insn): Likewise.
13958 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13961 2006-01-18 Ben Elliston <bje@au.ibm.com>
13963 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13964 decimal float modes for all floating point registers.
13966 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13967 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13969 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13972 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13973 even when the pointer is not NULL.
13975 2006-01-16 Ian Lance Taylor <ian@airs.com>
13977 * common.opt (ftoplevel-reorder): New option.
13978 * cgraph.c (cgraph_asm_nodes): New global variable.
13979 (cgraph_asm_last_node): New static variable.
13980 (cgraph_order): New global variable.
13981 (cgraph_create_node): Set new order field.
13982 (cgraph_varpool_node): Likewise.
13983 (decide_is_variable_needed): Return true if not
13984 flag_toplevel_reorder.
13985 (cgraph_add_asm_node): New function.
13986 * cgraph.h (struct cgraph_node): Add order field.
13987 (struct cgraph_varpool_node): Add order field.
13988 (struct cgraph_asm_node): Define.
13989 (cgraph_asm_nodes, cgraph_order): Declare.
13990 (cgraph_add_asm_node): Declare.
13991 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13993 (cgraph_varpool_assemble_pending_decls): Call it.
13994 (cgraph_output_pending_asms): New static function.
13995 (cgraph_finalize_compilation_unit): Call it.
13996 (struct cgraph_order_sort): Define.
13997 (cgraph_output_in_order): New static function.
13998 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13999 !flag_toplevel_reorder case.
14000 * c-parser.c: Include "cgraph.h".
14001 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14003 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14004 than -fno-unit-at-a-time.
14005 * doc/invoke.texi (Option Summary): Mention
14006 -fno-toplevel-reorder.
14007 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14008 -funit-at-a-time documentation.
14010 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14011 Kazu Hirata <kazu@codesourcery.com>
14013 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14015 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14017 * Makefile.in (FUNCTION_H): New. Use it instead of
14018 function.h throughout the file.
14019 * function.h: Include tree.h.
14021 2006-01-17 Ben Elliston <bje@au.ibm.com>
14023 * recog.c: Separate some functions with whitespace.
14025 2006-01-16 Richard Henderson <rth@redhat.com>
14027 Merge from gomp branch:
14028 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14029 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14030 and rename from struct inline_data. Rename callee* to dst*;
14031 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14032 transform_new_cfg, transform_return_to_modify, and
14033 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14035 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14036 (copy_decl_for_dup): Remove.
14037 * tree-inline.c (struct inline_data): Move to header.
14038 (insert_decl_map): Export.
14039 (remap_decl): Update for member name changes. Use copy_decl hook.
14040 Allow for replacement to be a non-decl. Remove dead code.
14041 (remap_type_1): Check for existing mapping.
14042 (remap_type): Export.
14043 (remap_decls): Update for member name changes.
14044 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14045 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14046 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14047 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14048 (tree_function_versioning, build_duplicate_type): Likewise.
14049 (copy_body_r): Likewise. Export.
14050 (copy_decl_for_dup): Split into ...
14051 (copy_decl_for_dup_finish, copy_decl_to_var,
14052 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14053 (replace_ref_tree, inlining_p): Remove.
14055 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14057 * ifcvt.c (if_convert): Make it static.
14058 * rtl.h: Remove the prototype for if_convert.
14060 * local-alloc.c (local_alloc): Make it static.
14061 * rtl.h: Remove the prototype for local_alloc.
14063 * loop.c (loop_optimize): Make it static.
14064 * cfgloop.h: Remove the prototype for loop_optimize.
14067 2006-01-16 DJ Delorie <dj@redhat.com>
14069 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14072 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14074 * pa.md: Disparage copies between general and floating-point registers
14075 in 32-bit move patterns.
14077 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14080 * Makefile.in (check-%): Depend on site.exp instead of
14081 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14084 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14086 * global.c (global_alloc): Make it static.
14087 * rtl.h: Remove the prototype for global_alloc.
14089 2006-01-16 Richard Guenther <rguenther@suse.de>
14091 * tree-ssa-alias.c (struct used_part): Add write_only field.
14092 (get_or_create_used_part_for): Initialize it to true.
14093 (create_overlap_variables_for): Don't create structure variables
14094 for structures that only are written to.
14095 (find_used_portions): Handle MODIFY_EXPR to track whether a
14096 structure is only written to.
14098 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14100 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14102 * basic-block.h: Remove the prototype for
14103 partition_hot_cold_basic_blocks.
14105 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14107 * cppspec.c (lang_specific_spec_functions): Remove.
14108 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14109 * gcc.h (lang_specific_spec_functions): Remove.
14110 * gccspec.c (lang_specific_spec_functions): Remove.
14112 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14114 * combine.c (record_value_for_reg): Invalidate registers
14116 (record_dead_and_set_regs_1): Likewise, by passing them to
14117 record_value_for_reg.
14118 (record_dead_and_set_regs): Invalidate stores made by a
14119 call. We do not combine across a call, but we still
14120 relied on equivalences.
14122 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14124 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14125 vrp_int_const_binop returning non-constant nodes.
14127 2006-01-16 Paul Brook <paul@codesourcery.com>
14129 * config/m68k/m68k.c (output_move_const_into_data_reg):
14130 Output correct mnemonic for mvz and mvs.
14132 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14134 * rtl-factoring.c: Add sequence abstraction algorithm.
14135 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14136 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14138 (block_has_preserve_label): New function.
14139 * common.opt: Register new pass.
14140 * Makefile.in: Ditto.
14142 * timevar.def: Ditto.
14143 * tree-pass.h: Ditto.
14144 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14145 * rtl.h (make_jump_insn_raw): Add forward decl.
14146 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14148 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14149 Roger Sayle <roger@eyesopen.com>
14151 * fold-const.c (fold_minmax): New static function.
14152 (fold_binary) <MIN_EXPR>: Call it.
14153 <MAX_EXPR>: Likewise.
14154 * stor-layout.c (place_field): Use DECL_SIZE consistently
14155 in the computation of the new record size.
14157 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14159 * cse.c (cse_condition_code_reg): Make it static.
14160 * rtl.h: Remove the prototype for cse_condition_code_reg.
14162 * combine.c (combine_instructions): Make it static.
14163 * rtl.h: Remove the prototype for combine_instructions.
14165 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14168 * tree.c (get_file_function_name_long): Concatenate the first global
14169 object name with a string derived from the input filename of the object
14172 2006-01-16 Ben Elliston <bje@au.ibm.com>
14174 * config/i386/winnt-stubs.c: Update FSF address.
14175 * config/xtensa/ieee754-df.S: Ditto.
14176 * config/xtensa/ieee754-sf.S: Ditto.
14178 2006-01-14 Ian Lance Taylor <ian@airs.com>
14180 * ifcvt.c (noce_init_if_info): New static function, broken out of
14181 noce_process_if_block.
14182 (noce_process_if_block): Call noce_init_if_info.
14183 (check_cond_move_block): New static function.
14184 (cond_move_process_if_block): New static function.
14185 (process_if_block): Call cond_move_process_if_block.
14187 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14189 * cselib.c (hash_table): Rename to cselib_hash_table.
14190 (cselib_clear_table, discard_useless_values,
14191 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14192 cselib_init, cselib_finish): Adjust uses of hash_table.
14194 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14196 PR tree-optimization/25485
14197 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14198 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14199 is known to be false and true, respectively.
14201 2006-01-14 Richard Guenther <rguenther@suse.de>
14203 PR tree-optimization/22548
14204 PR tree-optimization/22555
14205 PR tree-optimization/22501
14206 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14207 * params.def (salias-max-array-elements): New parameter.
14208 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14209 * doc/invoke.texi (salias-max-array-elements): Document.
14210 * tree-flow-inline.h (var_can_have_subvars): We also handle
14212 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14214 * tree-ssa-structalias.c (params.h): Include.
14215 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14216 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14217 (get_constraint_for): For ADDR_EXPR operating on something
14218 containing an ARRAY_REF, add all subvars to the solution.
14219 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14220 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14221 for creating MUST_DEFs.
14222 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14224 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14226 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14228 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14229 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14230 number_of_iterations_le): New functions.
14231 (number_of_iterations_special): Removed.
14232 (number_of_iterations_exit): Do not use number_of_iterations_special.
14233 * tree.c (unsigned_type_for): Always return integer type.
14235 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14236 Richard Guenther <rguenther@suse.de>
14238 PR rtl-optimization/24257
14239 * gcse.c (find_moveable_store): Only consider a store movable
14240 when the SET_SRC of the insn can be assigned to a register.
14242 2006-01-14 Ian Lance Taylor <ian@airs.com>
14244 * tree.c (tree_not_class_check_failed): New function.
14245 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14246 (tree_not_class_check_failed): Declare.
14248 2006-01-13 Ian Lance Taylor <ian@airs.com>
14250 * reload1.c (do_output_reload): Add assertion rejecting a
14253 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14255 * combine.c (struct reg_stat): Add new fields truncation_label and
14257 (record_value_for_reg): Reset truncated_to_mode.
14258 (record_truncated_value): New function.
14259 (check_promoted_subreg): Call it. Rename to check_conversions.
14260 (combine_instructions): Rename check_promoted_subreg to
14262 (reg_truncated_to_mode): New function.
14263 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14264 (gen_lowpart_or_truncate): New function.
14265 (force_to_mode): Use it instead of gen_lowpart.
14267 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14269 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14270 VAR is a tag, not its type tag.
14272 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14274 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14275 alternatives to match style of other entries.
14276 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14278 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14280 PR tree-optimization/25771
14281 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14284 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14287 * tree-inline.c (declare_return_variable): If the return variable
14288 was marked as a non gimple complex, set the return slot variable
14289 to be a non gimple comple variable.
14291 2006-01-13 Richard Guenther <rguenther@suse.de>
14293 * builtins.c (expand_builtin_sincos): New function.
14294 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14296 (expand_builtin): Expand sincos using expand_builtin_sincos.
14298 2006-01-12 DJ Delorie <dj@redhat.com>
14300 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14301 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14302 so that constant shifts can be split.
14303 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14304 (m32c_valid_pointer_mode): Make static.
14305 (shift_gen_func_for): New.
14306 (m32c_prepare_shift): Use it. Split large const shifts into
14308 * config/m32c/predicates.md (shiftcount_operand): Allow more
14310 (longshiftcount_operand): New.
14311 * doc/md.texi (Machine Constraints): Document In6.
14313 2006-01-13 Ben Elliston <bje@au.ibm.com>
14315 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14316 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14319 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14321 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14322 to try to avoid clobbering pieces of structures when we know
14323 something about the whole structure.
14324 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14326 2006-01-13 Ben Elliston <bje@au.ibm.com>
14328 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14329 return in memory, as this is no limitation is no longer present.
14331 2006-01-12 DJ Delorie <dj@redhat.com>
14333 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14334 mova with fb, and for fb+0 -> An.
14336 * config/m32c/mov.md (peephole2): Fix enabling logic.
14338 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14339 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14340 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14341 FINI_ARRAY_SECTION_ASM_OP): Define.
14343 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14345 (m32c_legitimize_reload_address): New logic to reload FB to An.
14346 (m32c_output_reg_push): Add newline.
14347 (m32c_output_reg_pop): Likewise.
14349 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14351 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14353 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14355 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14357 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14359 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14362 2006-01-11 Ben Elliston <bje@au.ibm.com>
14364 * rtlanal.c (find_reg_note): Assert insn is not null.
14366 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14368 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14371 2006-01-11 Jeff Law <law@redhat.com>
14373 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14375 (mark_threaded_blocks, register_jump_thread): New functions.
14376 (thread_through_all_blocks): Remove unwanted argument. No
14377 longer rely on e->aux to communicate thread target info.
14378 Call mark_threaded_blocks. Release the threaded_blocks
14379 bitmap and threaded_edges vector when complete.
14380 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14381 (threaded_blocks): Remove.
14382 (tree_ssa_dominator_optimize): Remove initialization and
14383 finalization of threaded_blocks. Simplify call to
14384 thread_through_all_blocks.
14385 (thread_across_edge): Call register_jump_thread rather than
14386 storing thread information into e->aux.
14387 (free_all_edge_infos): Simplify now that e->aux is no longer
14388 used to communicate with thread_through_all_blocks.
14389 * tree-flow.h (thread_through_all_blocks): Update prototype.
14390 (register_jump_thread): Prototype.
14392 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14394 * df-core.c (df_compact_blocks, df_bb_replace): Use
14395 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14397 2006-01-11 Richard Guenther <rguenther@suse.de>
14399 PR tree-optimization/25734
14400 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14401 stop propagation after successful propagation to the LHS.
14403 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14405 * basic-block.h (control_flow_graph): Change the type of
14406 x_basic_block_info to VEC(basic_block,gc) *.
14407 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14409 (SET_BASIC_BLOCK): New.
14410 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14411 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14412 * cfgbuild.c (find_basic_blocks): Likewise.
14413 * cfglayout.c (fixup_reorder_chain): Likewise.
14414 * cfgrtl.c (create_basic_block_structure,
14415 rtl_create_basic_block): Likewise.
14416 * ifcvt.c (find_if_case_1): Likewise.
14417 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14420 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14422 * Makefile.in: Removed rotted odf.c entry.
14424 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14427 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14428 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14429 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14430 output pattern modifier, not %e.
14431 * config/cris/cris.c (cris_op_str): Update comment about pattern
14433 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14434 before falling through into...
14435 <case 'E'>: Redefined from old 'e' case.
14437 2006-01-11 Jan Hubicka <jh@suse.cz>
14440 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14442 2006-01-11 Jan Hubicka <jh@suse.cz>
14444 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14445 * i386.c (x86_decompose_lea): Kill.
14446 (ix86_rtx_costs): Kill.
14448 2006-01-11 Jan Hubicka <jh@suse.cz>
14450 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14451 * cgraph.h (cgraph_node): Add inline_decl.
14452 (cgraph_insert_node_to_hashtable): Declare.
14453 (save_inline_function_body): Declare.
14454 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14456 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14457 (cgraph_function_versioning): Update call of tree_function_versioning.
14458 (save_inline_function_body): New function.
14459 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14460 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14461 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14462 (cgraph_default_inline_p): Likewise.
14463 (cgraph_decide_inlining_incrementally): Likewise.
14464 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14465 (copy_bb): Kill saving; do updating of clones.
14466 (copy_cfg_body): Kill saving.
14467 (initialize_inlined-parameters): Likewise.
14468 (expand_call_inline): Likewise.
14470 (tree_function_versioning): New parameter "update_clones".
14471 (inlining_p): Kill saving.
14472 * tree-inline.h (tree_function_versioning): Update prototype.
14473 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14476 2006-01-11 Ian Lance Taylor <ian@airs.com>
14478 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14479 Allow undoing set of machine mode.
14480 (do_SUBST): Use enums instead of is_int.
14481 (do_SUBST_MODE): New function.
14482 (SUBST_MODE): New macro.
14483 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14484 reg and trying to replace reg_regno_rtx with a new register.
14485 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14486 (simplify_set): Use SUBST_MODE.
14487 (distribute_notes): Remove code that tried to update reg notes
14488 for regno_reg_rtx changes.
14490 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14492 PR tree-optimization/23109
14493 PR tree-optimization/23948
14494 PR tree-optimization/24123
14496 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14497 * tree-cfg.c (single_noncomplex_succ): New.
14498 * tree-flow.h (single_noncomplex_succ): Declare it.
14499 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14500 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14501 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14502 insert_bb, register_division_in, insert_reciprocals,
14503 replace_reciprocal, free_bb): New.
14504 (execute_cse_reciprocals_1): Rewritten.
14505 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14506 Do not commit any edge insertion. Always compute dominators and
14507 create the allocation pool.
14508 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14509 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14510 * targhooks.c (default_min_divistions_for_recip_mul): New.
14511 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14512 * passes.c (init_optimization_passes): Run recip after tree loop
14514 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14516 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14517 Kenneth Zadeck <zadeck@naturalbridge.com>
14519 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14520 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14521 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14522 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14523 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14524 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14525 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14526 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14527 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14528 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14529 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14530 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14531 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14532 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14533 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14534 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14535 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14536 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14537 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14538 DF_SCAN_POST_ALLOC): New macros.
14539 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14540 df_free_bb_function, df_local_compute_function, df_init_function,
14541 df_dataflow_function, df_confluence_function_0,
14542 df_confluence_function_n, df_transfer_function,
14543 df_finalizer_function, df_free_function, df_dump_problem_function,
14544 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14545 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14546 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14547 df_urec_bb_info, ) New types.
14548 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14550 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14551 df_analyze_simple_change_some_blocks,
14552 df_analyze_simple_change_one_block, df_compact_blocks,
14553 df_bb_replace, df_bb_regno_last_use_find,
14554 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14555 df_insn_regno_def_p, df_find_def, df_find_use,
14556 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14557 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14558 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14559 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14560 debug_df_chain, df_get_dependent_problem, df_chain_create,
14561 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14562 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14563 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14564 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14565 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14566 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14567 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14568 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14569 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14570 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14571 df_reorganize_refs, df_set_state, df_hard_reg_init,
14572 df_read_modify_subreg_p) New public functions.
14573 * df-core.c: The core dataflow solver and glue routines for rtl
14575 (df_init, df_add_problem, df_set_blocks, df_finish,
14576 df_hybrid_search_forward, df_hybrid_search_backward,
14577 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14578 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14579 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14580 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14581 df_reg_defined, df_find_use, df_reg_used, df_dump,
14582 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14583 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14584 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14585 debug_df_useno, reset_df_after_reload): New functions.
14586 * df-scan.c: The scanning fuctions, once in df.c, completely
14587 rewritten so that they now fully model the functionality of
14588 register usage at the backend.
14589 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14590 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14591 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14592 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14593 df_get_artificial_defs, df_get_artificial_uses,
14594 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14595 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14596 df_refs_delete, df_reorganize_refs, df_set_state,
14597 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14598 df_def_record_1, df_defs_record, df_uses_record,
14599 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14600 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14601 df_record_exit_block_uses, df_hard_reg_init): New functions.
14603 * df-problems.c: Seven concrete dataflow problems that use the
14604 scanning in df-scan.c and are solved by the engine in df-core.c.
14605 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14606 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14607 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14608 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14609 df_ru_free_bb_info, df_ru_alloc,
14610 df_ru_bb_local_compute_process_def,
14611 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14612 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14613 df_ru_transfer_function, df_ru_free, df_ru_dump,
14614 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14615 df_rd_free_bb_info, df_rd_alloc,
14616 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14617 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14618 df_rd_transfer_function, df_rd_free, df_rd_dump,
14619 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14620 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14621 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14622 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14623 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14624 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14625 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14626 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14627 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14628 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14629 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14630 df_urec_mark_reg_use_for_earlyclobber,
14631 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14632 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14633 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14634 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14635 df_chain_create_bb_process_use, df_chain_create_bb,
14636 df_chain_finalize, df_chain_free, df_chains_dump,
14637 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14638 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14639 df_reg_lifetime): New functions.
14640 * df.c: Deleted file.
14641 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14642 consistent with new df api.
14643 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14644 rest_of_handle_sms): Ditto.
14645 * web.c (unionfind_union, union_defs, entry_register, web_main):
14647 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14648 invariant_expr_equal_p, find_defs, check_dependencies,
14649 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14650 free_inv_motion_data, move_loop_invariants): Ditto.
14651 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14652 Update dependencies.
14653 (odf.c): Added defective entry that was deleted later in day.
14654 * sched-deps.c (sched_analyze_1): Ditto.
14656 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14658 * tree-ssa-operands.c (get_expr_operands): Record addressable
14659 variables directly. Do not call add_stmt_operands for CONST_DECLs
14661 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14662 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14664 2006-01-11 Ben Elliston <bje@au.ibm.com>
14666 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14667 function returns true in the positive case.
14669 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14672 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14673 for SI, DI, SF and DF modes. Add alternatives to copy between
14674 general and floating point registers to the 32-bit patterns.
14675 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14676 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14677 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14678 generating 64-bit code.
14679 * config/pa/pa.c (output_move_double): Handle copies between general
14680 and floating registers.
14682 2006-01-10 Stuart Hastings <stuart@apple.com>
14684 * config/i386/i386.md (set_got): Update.
14685 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14686 (builtin_setjmp_receiver): Mach-O support.
14687 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14688 (GOT_SYMBOL_NAME): Define.
14689 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14690 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14691 * config/i386/i386.c (override_options): Revise for Darwin.
14692 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14693 support. (darwin_x86_file_end): New. (output_set_got): Add label
14694 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14695 * config/i386/i386-protos.h (output_set_got): Likewise.
14696 * config/darwin.c (machopic_legitimize_pic_address): Update
14699 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14701 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14702 when MODE isn't BLKmode.
14704 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14706 PR rtl-optimization/25367
14707 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14709 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14712 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14713 for a negative bound.
14715 2006-01-10 Richard Guenther <rguenther@suse.de>
14717 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14718 Never override with anything constraint.
14720 2006-01-10 Jan Beulich <jbeulich@novell.com>
14722 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14723 256 bits when optimize_size.
14725 2006-01-10 Jan Beulich <jbeulich@novell.com>
14727 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14729 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14730 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14733 2006-01-10 Ben Elliston <bje@au.ibm.com>
14735 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14737 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14738 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14739 (USE_FP_FOR_ARG): Reject decimal float modes.
14740 (function_arg_advance): Likewise.
14741 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14742 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14743 point types in AltiVec vectors.
14744 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14745 (rs6000_libcall_value): Likewise.
14747 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14749 * config/xtensa/ieee754-df.S: New file.
14750 * config/xtensa/ieee754-sf.S: New file.
14751 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14752 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14753 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14755 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14757 * config/sh/predicates.md (binary_float_operator,
14758 binary_logical_operator, commutative_float_operator,
14759 equality_comparison_operator, greater_comparison_operator,
14760 less_comparison_operator, logical_operator,
14761 noncommutative_float_operator, shift_operator,
14762 symbol_ref_operand, unary_float_operator): Remove redundant
14765 2006-01-09 Jeff Law <law@redhat.com>
14767 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14768 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14769 now unused arguments. Callers updated.
14770 (eliminate_redundant_computations): Remove now unused arguments,
14772 (local_fold): Remove, no longer used.
14773 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14775 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14776 (simplify_cond): New function.
14777 (forward_propagate_into_cond): Call simplify_cond.
14779 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14781 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14782 (*vec_extractv2di_1_sse): New.
14784 2006-01-09 Ben Elliston <bje@au.ibm.com>
14786 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14788 2006-01-08 Richard Guenther <rguenther@suse.de>
14790 * tree-ssa-structalias.c (get_constraint_for): Remove
14791 anyoffset argument.
14792 (get_constraint_for_component_ref): Likewise.
14793 (do_deref): Likewise.
14794 (get_constraint_for): Likewise.
14795 (do_structure_copy): Likewise.
14796 (handle_ptr_arith): Likewise.
14797 (find_func_aliases): Likewise. Remove unused need_anyoffset
14800 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14801 Kaz Kojima <kkojima@gcc.gnu.org>
14803 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14804 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14805 (EXTRA_CONSTRAINT_C16): Remove.
14806 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14807 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14808 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14809 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14810 constants of SHmedia. Handle nested constant expressions of
14812 (andcosts): Fix the costs for SHmedia constants.
14813 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14814 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14815 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14816 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14817 (movv4hi_i, movv2si_i): Likewise.
14818 (movsi_const): Adjust the second operand of ior so to match with
14819 the Csu constraint.
14820 (movdi_const, movdi_const_32bit): Likewise.
14821 (movdi_const_16bit+1): Don't sign-extend LOW.
14822 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14824 (*double_shori): Fix the split condition. Use GEN_INT instead
14825 of get_int_mode calls. Mask lower 16-bit of the argument of
14827 (sym2GOTPLT): Remove.
14828 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14830 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14831 instead of EXTRA_CONSTRAINT_C16.
14833 2006-01-07 Ian Lance Taylor <ian@airs.com>
14834 David Edelsohn <edelsohn@gnu.org>
14836 PR rtl-optimization/25662
14837 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14838 for constant operands instead of simplify_gen_binary.
14839 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14840 after trying simplify_binary_operation
14842 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14844 * tree.c (iterative_hash_expr): Hash decls based on UID.
14846 2006-01-06 Eric Christopher <echristo@apple.com>
14848 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14849 (TARGET_UNWIND_EMIT): Fix spelling.
14850 * target.h (gcc_target): Add except_table_label.
14851 * except.c (output_function_exception_table): Use.
14852 * varasm.c (default_emit_except_table_label): New.
14853 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14855 (asm_out): Add here.
14856 * output.h (default_emit_except_table_label): Prototype.
14857 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14858 * config/darwin.c (darwin_emit_except_table_label): Define.
14859 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14861 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14863 PR tree-optimization/18527
14864 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14865 number_of_iterations_special, number_of_iterations_exit):
14866 Move base and step of an iv to a single structure. Add
14867 no_overflow flag, and use it in # of iterations analysis.
14868 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14869 folded_casts argument.
14870 (simple_iv): Pass base and step in a structure. Set no_overflow
14872 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14873 Evaluate expensiveness of computing # of iterations instead of
14874 the final expression.
14875 * tree-scalar-evolution.h (affine_iv): New structure.
14876 (simple_iv): Declaration changed.
14877 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14878 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14879 find_givs_in_stmt): Changed due to simple_iv change.
14881 2006-01-06 Jeff Law <law@redhat.com>
14884 * tree-cfg.c (bsi_replace): Rename final argument from
14885 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14886 change (stmt -> orig_stmt).
14887 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14888 (bsi_remove): Add new argument. Remove EH information
14890 (verify_eh_throw_table_statements): New function.
14891 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14893 * tree-optimize.c (execute_free_cfg_annotations): Verify
14894 the EH throw statement table after removing annotations.
14895 * except.h (verify_eh_throw_table_statements): Prototype.
14896 * tree-flow.h (bsi_remove): Update prototype.
14897 * tree-vrp.c (remove_range_assertions): Add new argument to
14899 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14900 * tree-complex.c (expand_complex_div_wide): Likewise.
14901 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14902 * tree-tailcall.c (eliminate_tailcall): Likewise.
14903 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14904 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14905 * tree-nrv.c (tree_nrv): Likewise.
14906 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14907 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14908 (combine_blocks): Likewise.
14909 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14910 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14911 (cleanup_control_flow): Likewise.
14912 (remove_forwarder_block): Likewise.
14913 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14914 * tree-sra.c (sra_replace): Likewise.
14915 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14916 (forward_propagate_single_use_vars): Likewise.
14917 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14918 * tree-inline.c (expand_call_inline): Likewise.
14919 * tree-vect-transform.c (vect_transform_loop): Likewise.
14920 * tree-outof-ssa.c (rewrite_trees): Likewise.
14921 * tree-cfg.c (make_goto_expr_edges): Likewise.
14922 (cleanup_dead_labels): Likewise.
14923 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14924 (bsi_move_before, bsi_move_after): Likewise.
14925 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14926 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14928 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14931 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14933 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14934 on non gimple variables. Also add checks at the top for decls and
14936 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14938 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14939 and IMAGPART_EXPR for creating MUST_DEFs.
14940 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14941 and NAME_MEMORY_TAG separately from the DECLs.
14943 2006-01-06 Richard Guenther <rguenther@suse.de>
14945 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14946 annotation, if necessary.
14947 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14948 redundant calls to update_stmt.
14949 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14952 2006-01-05 Richard Henderson <rth@redhat.com>
14954 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14956 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14958 * c-typeck.c: Update copyright date.
14960 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14962 * c-typeck.c (build_c_cast): Always warn when casting
14963 from a pointer to an integer of different size, even if
14964 the node was constant.
14966 2006-01-05 Richard Guenther <rguenther@suse.de>
14968 PR tree-optimization/22555
14969 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14970 if one structure field is an array.
14971 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14972 operands even if we found a subvar, but ignore VOPs in this
14974 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14976 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14978 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14980 PR middle-end/24998
14981 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14983 2006-01-05 Richard Guenther <rguenther@suse.de>
14984 Diego Novillo <dnovillo@redhat.com>
14986 * tree-pass.h (TODO_remove_unused_locals): Define.
14987 * gimple-low.c (expand_var_p, remove_useless_vars,
14988 pass_remove_useless_vars): Remove. Update all users.
14989 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14990 (remove_unused_locals): New function.
14991 * tree-flow.h (remove_unused_locals): Declare.
14992 * passes.c (execute_todo): Call remove_unused_locals if
14993 TODO_remove_unused_locals is set.
14994 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14995 * tree-ssa-dce.c (pass_dce): Likewise.
14996 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14998 2006-01-05 Richard Guenther <rguenther@suse.de>
15000 * tree-flow.h (struct fieldoff): Decompose field to
15001 type, size and decl.
15002 * tree-ssa-alias.c (create_sft): Take type as parameter.
15003 (create_overlap_variables_for): Store type, size and decl
15004 in the fieldoff structure.
15005 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15006 of struct fieldoff.
15007 (push_fields_onto_fieldstack): Likewise.
15008 (create_variable_info_for): Likewise. Use offset for the
15009 SFT name if the decl is not available.
15011 2006-01-04 Paul Brook <paul@codesourcery.com>
15013 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15015 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15017 * lambda-code.c (can_put_in_inner_loop): Relax
15019 (can_put_after_inner_loop): New function.
15020 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15021 (perfect_nestify): Change to make copies and modify uses.
15023 2006-01-04 Richard Henderson <rth@redhat.com>
15025 Merge from gomp branch:
15026 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15027 via integer constant.
15028 (pragma_lex): Remove.
15029 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15030 rather than parsing it.
15031 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15032 handle_pragma_extern_prefix): Add %< %> quotes.
15033 (registered_pragmas): New.
15034 (c_register_pragma_1): New.
15035 (c_register_pragma): Use it.
15036 (c_register_pragma_with_expansion): Likewise.
15037 (c_invoke_pragma_handler): New.
15038 (init_pragma): Use cpp_register_deferred_pragma directly for
15040 * c-pragma.h (enum pragma_kind): New.
15041 (pragma_handler): New.
15042 (c_invoke_pragma_handler): Declare.
15043 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15045 * c-common.h (c_common_pch_pragma): Update decl.
15046 * Makefile.in (c-parser.o): Update dependencies.
15047 (GTFILES): Add c-pragma.h.
15048 * c-parser.c (struct c_token): Add pragma_kind.
15049 (struct c_parser): Add in_pragma.
15050 (c_lex_one_token): Always initialize keyword and pragma_kind.
15051 Extract data for CPP_PRAGMA.
15052 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15053 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15054 Don't allow CPP_PRAGMA_EOL if in_pragma.
15055 (c_parser_consume_pragma): New.
15056 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15057 (c_parser_skip_to_end_of_parameter): Likewise.
15058 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15059 (c_parser_skip_to_pragma_eol): New.
15060 (c_parser_external_declaration): Handle CPP_PRAGMA.
15061 (c_parser_compound_statement_nostart): Likewise.
15062 (c_parser_statement_after_labels): Likewise.
15063 (c_parser_pragma): New.
15064 (pragma_lex): Likewise.
15065 (c_parser_pragma_pch_preprocess): New.
15066 (c_parser_new): Merge into ...
15067 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15069 2006-01-04 Jeff Law <law@redhat.com>
15072 * tree-cfg.c (bsi_replace): Remove the original statement
15073 from the EH throw statement table.
15075 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15077 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15078 make the prototype extern "C" and add throw ().
15081 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15082 and pos non-negative and pos + len <= 32.
15083 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15084 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15085 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15088 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15089 as well as sizes not multiple of component size.
15092 * function.c (instantiate_expr): New function.
15093 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15094 walk its DECL_VALUE_EXPR with instantiate_expr.
15096 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15097 DW_OP_deref{,_size} if address isn't going to be added.
15099 2006-01-04 Ben Elliston <bje@au.ibm.com>
15101 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15102 * config/fp-bit.c: Likewise.
15104 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15106 * dominance.c: Add comment about why we use DFS numbering
15109 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15110 Richard Henderson <rth@redhat.com>
15112 Merge from gomp-branch:
15113 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15114 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15116 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15118 PR rtl-optimization/25578
15119 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15120 pass a parameter to simplify_shift_const if changing ASHIFTRT
15123 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15125 * builtins.c (get_builtin_sync_mem): New function.
15126 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15127 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15128 Call get_builtin_sync_mem to generate mem rtx.
15130 2006-01-03 Richard Guenther <rguenther@suse.de>
15133 * stmt.c (add_case_node): Make sure to clear overflow flags
15136 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15138 Merge from gomp-branch.
15139 * config/sparc/sync.md: New file.
15140 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15141 UNSPECV_LDSTUB): New constants.
15142 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15143 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15144 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15147 2006-01-03 Roger Sayle <roger@eyesopen.com>
15149 * combine.c (reg_subword_p): New predicate to test whether the
15150 destination of a set refers to a subword/piece of a register.
15151 (try_combine): Generalize the code to merge the setting of a
15152 pseudo to a constant followed by a set of a subword of that
15153 register to a constant.
15155 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15157 * basic-block.h (control_flow_graph): Change the type of
15158 x_label_to_block_map to VEC(basic_block,gc) *.
15159 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15160 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15162 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15163 VEC(basic_block,heap) *.
15164 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15165 ssa_prop_fini): Adjust the uses of cfg_blocks.
15167 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15169 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15171 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15172 hashing trees instead of a pointer hash.
15173 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15174 compare for MEM_EXPR.
15176 PR rtl-optimization/25130
15177 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15178 when comparing MEMs for GCSE
15180 2006-01-03 Ben Elliston <bje@au.ibm.com>
15182 * targhooks.h (default_decimal_float_supported_p): Declare.
15183 * targhooks.c (default_decimal_float_supported_p): Define.
15184 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15185 `default_decimal_float_supported_p'.
15186 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15188 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15190 * combine.c (apply_distributive_law <SUBREG>): Check
15191 TRULY_NOOP_TRUNCATION.
15193 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15195 * dwarf2out.c (have_switched_text_section): Delete.
15196 (have_multiple_function_sections): New.
15197 (have_location_lists): Make 'bool'.
15198 (add_AT_loc_list): Use 'true' not '1'.
15199 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15200 (output_loc_list): Use have_multiple_function_sections.
15201 (output_ranges): Likewise.
15202 (dwarf2out_begin_function): Set have_multiple_function_sections if
15204 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15205 Check function_section rather than DECL_SECTION_NAME.
15206 (dwarf2out_finish): Use have_multiple_function_sections.
15207 Don't clear have_location_lists.
15209 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15210 Jan Hubicka <jh@suse.cz>
15212 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15213 case of conditional jump jumping to the next instruction.
15214 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15215 cases of conditional jump jumping to the next instruction.
15217 2006-01-02 Jan Hubicka <jh@suse.cz>
15219 * i386.c (*_cost): Add COSTS_N_INSNS.
15220 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15222 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15225 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15227 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15229 * config/arm/arm.c (all_fpus): Fix comment typo.
15230 * config/darwin.c: Likewise.
15231 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15232 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15233 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15235 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15237 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15238 (rs6000_split_compare_and_swapqhi): New.
15239 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15240 (sync_compare_and_swapqhi_internal): New.
15241 * config/rs6000/rs6000-protos.h: Declare.