1 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
5 -2147483647 - 1 instead of 0x80000000.
7 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
9 * flags.h (HONOR_NANS): Fix typo in comment.
11 2006-09-23 Uros Bizjak <uros@kss-loka.si>
13 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
15 2006-09-23 Jakub Jelinek <jakub@redhat.com>
19 * tree.c (merge_attributes, attribute_list_contained): If both
20 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
22 * c-typeck.c (comptypes_internal): Don't consider aggregates
23 in different TUs as compatible if there one set of attributes is
24 not a subset of the other type's attributes.
25 (composite_type): Try harder not to create a new aggregate type.
27 2006-09-22 Geoffrey Keating <geoffk@apple.com>
29 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
30 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
31 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
32 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
33 than replicating condition above.
34 * config.host (i[34567]86-*-*): Always use driver-i386.o.
36 * config/darwin.h (LINK_SYSROOT_SPEC): New.
37 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
38 the linker by default.
40 2006-09-22 Mike Stump <mrs@apple.com>
42 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
45 2006-09-22 Richard Guenther <rguenther@suse.de>
48 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
49 sort of stack variables stable.
51 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
54 * explow.c (force_reg): Set REG_POINTER flag according to
57 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
59 PR tree-optimization/28888
60 * tree-if-conv.c (combine_blocks): Rewritten.
61 * tree-cfg.c (tree_verify_flow_info): Check that edges with
62 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
64 2006-09-22 Jakub Jelinek <jakub@redhat.com>
66 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
69 2006-09-21 Richard Sandiford <richard@codesourcery.com>
71 * varasm.c (copy_constant): Fix reversed gcc_assert check.
73 2006-09-21 Janis Johnson <janis187@us.ibm.com>
75 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
77 2006-09-21 Roger Sayle <roger@eyesopen.com>
80 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
81 dw_fde_current_label, to be the start of the function, i.e. the same
82 value as dw_fde_begin.
84 2006-09-20 Richard Sandiford <richard@codesourcery.com>
86 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
87 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
88 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
89 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
90 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
91 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
92 (abs<mode>2, neg<mode>2): Likewise.
93 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
94 (*mips_abs_ps): New define_insn.
96 2006-09-20 Josh Conner <jconner@apple.com>
99 * calls.c (expand_call): Allow reuse of structure return stack
102 2006-09-20 Paul Brook <paul@codesourcery.com>
104 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
107 2006-09-20 Janis Johnson <janis187@us.ibm.com>
109 * doc/extend.texi (Decimal Float): Update for latest draft TR,
110 clean up terminology.
112 2006-09-20 Steve Ellcey <sje@cup.hp.com>
115 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
116 with tablejumps in them.
118 2006-09-20 Jakub Jelinek <jakub@redhat.com>
121 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
122 wrap it into TARGET_EXPR.
124 2006-09-20 Eric Christopher <echristo@apple.com>
126 * config/i386/i386.c (x86_fisttp): Remove.
127 * config/i386/i386.h (x86_fisttp): Ditto.
128 (TARGET_FISTTP): Ditto.
130 2006-09-19 Eric Christopher <echristo@apple.com>
132 * doc/tm.texi (OBJC_JBLEN): Describe.
133 * config/i386/darwin.h (OBJC_JBLEN): Define.
134 * config/rs6000/darwin.h: Ditto.
136 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
138 PR rtl-optimization/21299
139 * reload1.c (reload): Purge invalid ASMs in the final pass.
141 2006-09-19 Steve Ellcey <sje@cup.hp.com>
144 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
145 pointers as legitimate constants.
147 2006-09-19 Paul Brook <paul@codesourcery.com>
150 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
152 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
154 PR tree-optimization/28887
155 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
156 component parts from the reference.
157 (gather_memory_references_ref): Record the reference without the
158 nonaddressable component parts.
160 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
163 * c-opts.c (c_common_handle_option): Ignore the -std options
164 if the input language is assembly.
166 2006-09-17 Ira Rosen <irar@il.ibm.com>
169 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
171 (ptr_ptr_may_alias_p): Likewise.
172 (record_record_differ_p): New function.
173 (base_object_differ_p): Call record_record_differ_p.
175 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
178 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
179 away for the expr argument.
181 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
184 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
185 before using it for dumping after vectorizing loops.
187 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
188 Jack Howarth <howarth@bromo.med.uc.edu>
191 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
192 skip on error_mark_node.
193 (rs6000_darwin64_record_arg_recurse): Likewise.
195 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
197 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
198 * doc/rtl.texi: Remove related documentation.
200 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
202 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
205 2006-09-15 Jim Wilson <wilson@specifix.com>
207 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
208 Handle symbol offsets same as they are handled in ia64_expand_move
211 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
213 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
214 Add forgotten parameter to the fprintf call.
216 2006-09-15 Steve Ellcey <sje@cup.hp.com>
218 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
220 2006-09-15 Uros Bizjak <uros@kss-loka.si>
222 * doc/contrib.texi: Add my entry.
224 2006-09-15 Nick Clifton <nickc@redhat.com>
226 * doc/md.texi (Processor pipeline description): Fix typo in
227 example of how to use the absence_set directive and reword the
228 description to make it slightly easier to read.
230 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
232 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
233 * loop-doloop.c (doloop_optimize): Use it to limit costs of
234 expanding the number of iterations.
235 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
237 * cfgrtl.c (emit_insn_at_entry): New function.
238 * rtl.h (emit_insn_at_entry): Declare it.
239 * integrate.c (emit_initial_value_sets): Use it.
241 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
243 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
245 (struct loop_work and related VEC declarations): Delete.
246 (bfin_dump_loops): Print out new member bad.
247 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
248 (bfin_scan_loop): Don't recurse.
249 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
250 loops. No longer need to update outer loops if the current one is
251 found bad. Move some validitiy checks to bfin_discover_loop.
252 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
253 but changed not to check for nesting. Also changed to use the new bad
255 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
256 time. Use bitmap based test to discover loop nesting.
258 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
260 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
263 2006-09-14 Richard Guenther <rguenther@suse.de>
264 Kazu Hirata <kazu@codesourcery.com>
267 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
268 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
269 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
270 with TARGET_FUNCTION_VALUE.
272 2006-09-14 Anatoly Sokolov <aesok@post.ru>
275 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
277 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
279 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
282 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
285 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
288 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
290 * basic_block.h (bb_has_eh_pred): Fix comment.
292 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
294 * flow.c (calculate_global_regs_live): Invalidate eh registers
295 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
296 (propagate_block): Handle eh registers as if they were set at basic
298 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
300 * global.c (global_conflicts): Make eh registers to conflict with
301 pseudos live at basic block begin.
302 * basic_block.h (bb_has_eh_pred): New function.
304 2006-09-13 Richard Sandiford <richard@codesourcery.com>
306 PR rtl-optimization/28982
307 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
308 index of a PRE_MODIFY or POST_MODIFY address.
309 * reload1.c (inc_for_reload): Use find_replacement on the original
310 base and index registers.
312 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
314 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
315 for -Os. Update __m128 alignment requirement.
317 2006-09-13 Jan Hubicka <jh@suse.cz>
319 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
321 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
323 PR rtl-optimization/28243
324 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
325 the insn to which the note was originally attached.
327 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
328 Roger Sayle <roger@eyesopen.com>
330 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
331 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
332 on platforms that don't use dwarf for debug info.
334 2006-09-12 Jason Merrill <jason@redhat.com>
337 * builtins.c (expand_builtin_setjmp_receiver): Clobber
338 hard_frame_pointer_rtx after using it to update the frame pointer.
340 2006-09-12 Roger Sayle <roger@eyesopen.com>
342 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
343 (TARGET_ASM_CLOSE_PAREN): Likewise.
344 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
345 (TARGET_ASM_CLOSE_PAREN): Likewise.
347 2006-09-12 Roger Sayle <roger@eyesopen.com>
350 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
351 frame information for frames larger than 512 Kbytes on Tru64 when
352 using the native assembler.
354 2006-09-12 Roger Sayle <roger@eyesopen.com>
358 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
359 and symbols. Instead use the implementation from cse.c's hash_rtx.
361 2006-09-12 Jan Hubicka <jh@suse.cz>
363 PR rtl-optimization/28071
364 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
365 (vect_transform_loop): Likewise.
366 * tree-vectorizer.c (new_loop_vec_info): Likewise.
367 (new_loop_vec_info): Likewise.
368 (destroy_loop_vec_info): Likewise.
369 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
370 (create_stmt_ann): Likewise.
371 (create_tree_ann): Rename to ...
372 (create_tree_common_ann): ... this one; allocate only the common part
374 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
375 (get_value_handle): Likewise.
376 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
378 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
379 (vinfo_for_stmt): Use stmt annotations.
380 * tree-flow.h (tree_ann_common_t): New type.
381 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
382 (tree_ann, get_tree_ann, create_tree_ann): New.
383 * tree-flow-inline.h (get_function_ann): Do more type checking.
384 (stmt_ann): Likewise.
385 (tree_ann): Rename to ...
386 (tree_common_ann): ... this one; return ony common_ann
387 (get_tree_ann): Rename to ...
388 (tree_common_ann): This one; return only common_ann.
389 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
392 2006-09-11 Geoffrey Keating <geoffk@apple.com>
394 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
397 * dwarf2out.c (dwarf_file_data): New.
398 (enum dw_val_class): Add dw_val_class_file.
399 (struct dw_val_struct): Add val_file.
400 (file_table): Change to a hash table.
401 (file_table_emitted): Delete.
402 (file_table_last_lookup_index): Delete.
404 (last_emitted_file): New.
405 (lookup_filename): Change prototype to return a struct dwarf_file_data.
406 (init_file_table): Delete.
407 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
408 (AT_addr): Add comment.
412 (print_die): Handle dw_val_class_file.
413 (print_dwarf_line_table): Update for new file table structure.
414 (attr_checksum): Do checksum a filename.
415 (same_dw_val_p, same_attr_p): Do compare a filename.
416 (size_of_die): Handle dw_val_class_file.
417 (value_format): Likewise.
418 (output_die): Likewise. Also, call maybe_emit_file here.
419 (struct file_info): Constify filenames. Make file_idx a pointer
420 to a struct dwarf_file_data.
421 (struct dir_info): Constify directory names. Remove 'used' field.
422 (struct file_name_acquire_data): New.
423 (file_name_acquire): New.
424 (output_file_names): Modify to handle new file data structures.
425 (add_src_coords_attributes): Use add_AT_file.
426 (add_call_src_coords_attributes): Likewise.
427 (dwarf2out_imported_module_or_decl): Likewise.
428 (gen_subprogram_die): Modify for new file data structures.
429 (gen_variable_die): Likewise.
430 (file_table_eq): New.
431 (file_table_hash): New.
432 (file_table_last_lookup): New.
433 (lookup_filename): Rewrite to handle new file data structures.
434 (maybe_emit_file): Rewrite to handle new file data structures.
435 (dwarf2out_source_line): Always call lookup_filename and
437 (dwarf2out_init): Create file_table here.
438 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
439 (file_table_relative_p): New.
440 (dwarf2out_finish): Change detection of relative filenames
441 to work with new file data structures. Move output_line_info call
442 after debug_info output.
444 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
449 * config/i386/i386.c (override_options): Always default to 16
452 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
455 * var-tracking.c (dump_dataflow_set): Start dumping at
457 (clobber_variable_part): Kill only the variable part in
458 registers holding it, leaving other variables alone.
460 2006-09-11 Josh Triplett <josh@freedesktop.org>
462 * doc/extend.texi (Other Builtins): Actually use the macro
463 argument in the documentation example for
464 __builtin_types_compatible_p.
466 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
468 PR rtl-optimization/28726
469 * sched-deps.c (sched_analyze_reg): New function extracted from...
470 (sched_analyze_1): ...here. Call it to analyze references to
471 registers. Treat again writes to a stack register as writing to the
473 (sched_analyze_2): ...and here. Call it to analyze references to
474 registers. Treat again reads of a stack register as reading the
477 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
478 David Edelsohn <edelsohn@gnu.org>
481 * config/rs6000/spe.md (frob_df_di): Remove %H.
482 (frob_di_df): Remove %H. Change evmergelo to mr.
483 (frob_di_df_2): Remove %H. Change evldd to two loads.
485 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
487 * doc/cpp.texi: Fix names of charset options.
489 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
492 * config/i386/i386.c (override_options): Use 128-bit
493 stack boundary always for 64bits.
495 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
497 PR rtl-optimization/28636
498 * combine.c (force_to_mode): Test for side-effects before
499 substituting by zero.
500 (simplify_shift_const): Likewise for zero or other constants.
502 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
505 * builtins.c (expand_builtin_setjmp): Force next_lab to be
508 2006-09-10 Richard Sandiford <richard@codesourcery.com>
511 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
512 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
513 returned by mode_for_size, rather than the mode of src itself,
514 to choose between 32-bit and 64-bit patterns.
515 (mips_mem_fits_mode_p): New function.
516 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
517 that the size of the source matches the size of the destination.
518 (mov_<store>l, mov_<store>r): Likewise.
520 2006-09-10 Eric Christopher <echristo@apple.com>
522 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
525 2006-09-09 Eric Christopher <echristo@apple.com>
528 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
531 2006-09-09 Roger Sayle <roger@eyesopen.com>
532 Nicolas Setton <setton@adacore.com>
534 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
536 2006-09-10 Andreas Schwab <schwab@suse.de>
538 * config/m68k/m68k.md (bungt_rev): New pattern.
540 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
541 Dale Johannesen <dalej@apple.com>
544 * regclass.c (struct reg_pref): Update documentation.
545 (regclass): Set prefclass to NO_REGS if memory is the best option.
546 (record_reg_classes): Cope with a prefclass set to NO_REGS.
548 2006-09-08 Eric Christopher <echristo@apple.com>
550 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
551 * config/t-slibgcc-darwin: Support x86_64 multilib.
552 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
553 Return 1 for x86_64-darwin.
554 * config/i386/t-darwin: Add m64 multilib.
555 (LIB2_SIDITI_CONV_FUNCS): Use.
556 (LIB2FUNCS_EXTRA): Ditto.
557 * config/i386/darwin.h: Support x86_64.
558 * config/i386/i386.c (override_options): Turn on flag_pic
559 for x86_64-darwin. Disable flag_omit_pointer.
560 (get_pc_thunk_name): Assert !TARGET_64BIT.
561 (legitimate_address_p): Disable machopic addressing for
563 (legitimize_pic_address): Ditto.
564 (ix86_expand_move): Ditto.
565 (ix86_expand_call): Ditto.
566 (machopic_output_stub): Ditto.
567 * config/darwin.c (machopic_select_section): Support literal16.
568 (machopic_select_rtx_section): Ditto.
569 * config/darwin-sections.def: Ditto.
570 * config/darwin-64.c: New.
572 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
575 * c-tree.h (struct c_arg_info): Add pending_sizes.
576 * c-parser.c (c_parser_parms_declarator,
577 c_parser_parms_list_declarator): Initialize pending_sizes.
578 * c-decl.c (get_parm_info): Initialize pending_sizes.
579 (get_parm_info): Set pending_sizes.
580 (grokdeclarator): Call put_pending_sizes for parameters for
581 function definition only.
583 2006-09-07 Jason Merrill <jason@redhat.com>
586 * varasm.c (output_constant): Only strip actual no-op conversions.
589 * config/i386/i386.c (override_options): Use 128-bit
590 stack boundary if -msse.
592 2006-09-07 Eric Christopher <echristo@apple.com>
594 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
596 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
599 2006-09-07 Geoffrey Keating <geoffk@apple.com>
601 * dwarf2out.c: Remove strange characters from comment above
602 dwarf2out_frame_debug_expr.
604 2006-09-07 Eric Christopher <echristo@apple.com>
606 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
607 * config/darwin.h: ... to here.
609 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
611 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
613 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
614 (TARGET_PARTIAL_FLAG_REG_STALL): New.
616 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
617 TARGET_PARTIAL_FLAG_REG_STALL.
618 (*ashldi3_cconly_rex64): Likewise.
619 (*ashlsi3_cmp): Likewise.
620 (*ashlsi3_cconly): Likewise.
621 (*ashlsi3_cmp_zext): Likewise.
622 (*ashlhi3_cmp): Likewise.
623 (*ashlhi3_cconly): Likewise.
624 (*ashlqi3_cmp): Likewise.
625 (*ashlqi3_cconly): Likewise.
626 (*ashrdi3_cmp_rex64): Likewise.
627 (*ashrdi3_cconly_rex64): Likewise.
628 (*ashrsi3_cmp): Likewise.
629 (*ashrsi3_cconly): Likewise.
630 (*ashrsi3_cmp_zext): Likewise.
631 (*ashrhi3_cmp): Likewise.
632 (*ashrhi3_cconly): Likewise.
633 (*ashrqi3_cmp): Likewise.
634 (*ashrqi3_cconly): Likewise.
635 (*lshrdi3_cmp_rex64): Likewise.
636 (*lshrdi3_cconly_rex64): Likewise.
637 (*lshrsi3_cmp): Likewise.
638 (*lshrsi3_cconly): Likewise.
639 (*lshrsi3_cmp_zext): Likewise.
640 (*lshrhi3_cmp): Likewise.
641 (*lshrhi3_cconly): Likewise.
642 (*lshrqi2_cmp): Likewise.
643 (*lshrqi2_cconly): Likewise.
645 2006-09-07 Uros Bizjak <uros@kss-loka.si>
648 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
649 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
650 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
651 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
652 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
653 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
654 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
655 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
656 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
657 implement only CC setting effects of shift instructions.
659 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
661 * doc/contrib.texi: Add myself.
663 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
666 * stor-layout.c (relayout_decl): Don't zero the alignment if it
669 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
672 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
673 (divsi_inv_m1): Use them.
674 (UNSPEC_DIV_INV_TABLE): New constant.
676 2006-09-06 James E Wilson <wilson@specifix.com>
679 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
680 then call count_or_remove_death_notes.
682 2006-09-06 Jason Merrill <jason@redhat.com>
685 * tree-inline.c (copy_result_decl_to_var): New fn.
686 (declare_return_variable): Use it. Call declare_inline_vars here.
687 (expand_call_inline): Not here.
689 2006-09-06 Diego Novillo <dnovillo@redhat.com>
691 * doc/contrib.texi: Update my entry.
693 2006-09-06 Nick Clifton <nickc@redhat.com>
695 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
697 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
700 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
701 (canonicalize_induction_variables): Likewise.
702 (tree_unroll_loops_completely): Likewise.
703 (tree_ssa_prefetch_arrays): Likewise.
704 (remove_empty_loops): Likewise.
705 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
706 TODO_cleanup_cfg instead of directly calling
707 cleanup_tree_cfg_loop.
708 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
710 (tree_unroll_loops_completely): Likewise.
711 (remove_empty_loops): Likewise.
712 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
713 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
714 of tree_ssa_unswitch_loops.
715 (tree_ssa_loop_ivcanon): Use the return value of
716 canonicalize_induction_variables.
717 (tree_ssa_empty_loop): Use the return value of
719 (tree_complete_unroll): Use the return value of
720 tree_unroll_loops_completely.
721 (tree_ssa_loop_prefetch): Use the return value of
722 tree_ssa_prefetch_arrays.
723 * passes.c (execute_todo): Before Cleanup CFG, set
724 updating_used_alone and after cleanup CFG, call
725 recalculate_used_alone.
727 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
730 * tree-vect-transform.c (vectorizable_condition): Move the check
731 for the type after the check for simple condition.
733 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
734 Kaz Kojima <kkojima@gcc.gnu.org>
737 * mode-switching.c (optimize_mode_switching): Make the destination
738 block of an abnormal edge have no anticipatable mode. Don't
739 insert mode switching code at the end of the source block of
742 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
744 PR rtl-optimization/26847
745 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
746 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
747 (simplify_plus_minus): Count n_constants while filling ops. Replace
748 qsort with insertion sort. Before going through the array to simplify
749 pairs, sort it. Delay early exit until after the first sort, exiting
750 only if no swaps occurred. Simplify pairs in reversed order, without
751 special-casing the first iteration. Pack ops after simplifying pairs.
753 2006-09-05 Anatoly Sokolov <aesok@post.ru>
755 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
756 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
757 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
758 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
760 2006-09-05 Richard Guenther <rguenther@suse.de>
762 PR tree-optimization/28900
763 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
764 compound conditional before creating COND_EXPR condition.
766 2006-09-05 Richard Guenther <rguenther@suse.de>
768 PR tree-optimization/28905
769 * tree-vrp.c (fix_equivalence_set): Manually implement
770 !value_ranges_intersect_p to also handle symbolic ranges.
772 2006-09-05 Richard Guenther <rguenther@suse.de>
775 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
778 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
780 PR rtl-optimization/27616
781 * cse.c (table_size): New static variable.
782 (new_basic_block): Initialize it to 0.
783 (remove_from_table): Decrement it.
784 (insert): Increment it.
785 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
786 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
787 fold_rtx_mem_1 if under the cap.
788 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
789 the lookup of the equivalent expression and test for equality of the
790 first operand of the equivalent expression before in turn looking up
791 an equivalent constant for the second operand.
793 2006-09-02 Geoffrey Keating <geoffk@apple.com>
796 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
797 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
798 pointer, instead of assuming it is possible to derive the
799 correct args size from a call insn.
801 2006-09-02 Jakub Jelinek <jakub@redhat.com>
804 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
805 (fold_builtin_mempcpy): Rename to...
806 (fold_builtin_memory_op): ... this. Optimize one element copy
808 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
810 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
811 (expand_builtin_memcpy, expand_builtin_mempcpy,
812 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
813 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
814 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
815 BUILT_IN_MEM{CPY,PCPY,MOVE}.
817 2006-09-01 DJ Delorie <dj@redhat.com>
819 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
821 ("stzx_24_<mode>"): Likewise.
822 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
823 ("cmp<mode>_op"): New.
824 (cmp<mode>): Change to expander; just save operands.
826 (b<code>): Change to expander, emit compare here.
827 (s<code>_op): Change to use split and expander.
828 (s<code>_24_op): Likewise.
829 (s<code>_<mode>): New.
830 (s<code>_<mode>_24): New.
831 (movqicc_<code>_<mode): New.
832 (movhicc_<code>_<mode>): New.
835 * config/m32c/m32c.c (compare_op0, compare_op1): New.
836 (m32c_pend_compare): New.
837 (m32c_unpend_compare): New.
838 (m32c_expand_scc): New.
839 (m32c_expand_movcc): Emit the compare also.
840 * config/m32c/predicates.md (mra_nopp_operand): New.
842 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
843 Richard Guenther <rguenther@suse.de>
844 Adam Nemet <anemet@caviumnetworks.com>
847 * builtins.c (get_pointer_alignment): Handle more forms
848 of base addresses that can be used to derive more precise
849 information about alignment.
851 2006-09-01 Jason Merrill <jason@redhat.com>
854 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
857 * gimplify.c (voidify_wrapper_expr): Handle null type.
859 2006-09-01 Josh Conner <jconner@apple.com>
862 * tree-nrv.c (dest_safe_for_nrv_p): New function.
863 (execute_return_slot_opt): Use it.
865 2006-08-31 Josh Conner <jconner@apple.com>
868 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
869 returning aggregates.
871 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
873 PR tree-optimization/28839
874 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
875 blocks in that phi arguments appear.
877 2006-08-31 Roger Sayle <roger@eyesopen.com>
880 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
881 NULL, otherwise use an advance_loc4 to adjust relative to the
883 (output_cfi) <DW_CFA_set_loc>: Update the current label.
884 (dwarf2out_switch_text_section): Reset the current label to avoid
885 using advance_loc4 over section boundaries.
887 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
890 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
891 r12 + SYMBOLIC_CONST.
893 2006-08-30 Richard Guenther <rguenther@suse.de>
895 * Makefile.in (see.o): Add $(EXPR_H) dependency.
897 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
899 PR rtl-optimization/27735
900 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
901 Add new argument to keep track of whether an irreducible region
902 was affected. All callers changed.
903 (fix_irreducible_loops): Removed.
904 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
905 flags were invalidated.
907 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
909 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
910 instead of SF operands.
911 (*fop_df_comm_sse): Likewise.
912 (*fop_df_comm_i387): Likewise.
913 (*fop_df_1_mixed): Likewise.
914 (*fop_df_1_sse): Likewise.
916 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
917 J"orn Rennecke <joern.rennecke@st.com>
919 PR tree-optimization/17506
920 * tree-ssa.c (warn_uninit): If warning about a location outside of
921 the current function, note where the variable was declared.
923 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
925 PR tree-optimization/28411
926 * double-int.c (double_int_div): Use double_int_divmod.
927 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
928 double_int_mod, double_int_smod, double_int_umod): New functions.
929 * double-int.h (double_int_divmod, double_int_sdivmod,
930 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
932 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
934 (get_computation_aff, get_computation_cost_at): Handle double_int
935 return type of constant_multiple_of.
937 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
940 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
941 an implicit conversion.
943 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
945 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
947 2006-08-27 Roger Sayle <roger@eyesopen.com>
949 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
952 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
954 * config/i386/crtfastmath.c: Fix a comment typo.
956 2006-08-26 Roger Sayle <roger@eyesopen.com>
958 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
959 temporary visit flags on CASE_LABEL_EXPRs.
960 * c-common.c (match_case_to_enum): Add function comment. Avoid
961 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
962 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
963 CASE_HIGH_SEEN for enumerated types. If the switch expression is
964 a constant, only warn if that constant value isn't handled.
966 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
969 * input.h (restore_input_file_stack): Declare.
970 (INPUT_FILE_STACK_BITS): Define.
971 * toplev.c (fs_p, input_file_stack_history,
972 input_file_stack_restored, restore_input_file_stack): New.
973 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
974 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
975 (pop_srcloc): Don't free old state of stack.
977 2006-08-26 David Edelsohn <edelsohn@gnu.org>
980 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
981 (PowerPC Type Attributes): New.
983 2006-08-26 Bob Wilson <bob.wilson@acm.org>
985 * config/xtensa/xtensa.c (function_arg_boundary): New.
986 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
988 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
989 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
991 2006-08-26 Jakub Jelinek <jakub@redhat.com>
994 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
997 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
999 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1000 (verify_local_live_at_start): Likewise.
1002 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1005 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1006 omp_add_variable): Treat sizes as variable whenever not
1009 2006-08-26 Richard Guenther <rguenther@suse.de>
1012 * fold-const.c (fold_binary): Fold temporary to correct
1013 type before constructing new comparison.
1015 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1018 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1019 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1021 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1024 * c-decl.c (start_function): Don't try to process prototype
1025 information from old declaration that isn't a function.
1027 2006-08-25 Jan Hubicka <jh@suse.cz>
1030 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1032 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1035 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1038 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1040 PR tree-optimization/16876
1041 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1042 exit if PARM doesn't match VALUE.
1044 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1046 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1047 literal_prefix directive.
1048 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1049 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1050 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1052 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1055 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1056 predicate to general_operand. Add 0->y and I->r alternatives.
1058 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1060 * doc/tm.texi: Fix a typo.
1061 * predict.c: Fix comment typos.
1063 2006-08-25 Nick Clifton <nickc@redhat.com>
1065 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1066 assertions of "cpu" and "machine".
1068 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1071 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1072 the access through a base which has an alias set of 0 cannot
1075 2006-08-24 Bill Wendling <wendling@apple.com>
1077 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1079 2006-08-24 Jan Hubicka <jh@suse.cz>
1081 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1083 2006-08-24 Jan Hubicka <jh@suse.cz>
1086 * cgraph.c: Fix comments.
1087 (cgraph_varpool_mark_needed_node): Mark only variables not already
1089 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1090 (cgraph_varpool_assembled_nodes_queue): New static variable.
1091 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1092 (cgraph_varpool_output_debug_info): New function.
1093 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1094 * Makefile.in: Add gt-cgraphunit.h
1096 2006-08-24 Jan Hubicka <jh@suse.cz>
1098 * predict.c (probability_reliable_p): New predicate.
1099 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1100 (predict_loops): Do not predict loop exit with less than 2%
1102 * basic-block.h (edge_probability_reliable_p,
1103 br_prob_note_reliable_p): Declare.
1104 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1105 prediction when static predictor is not reliable.
1106 * rs6000.c (output_cbranch): Likewise.
1108 2006-08-23 Stuart Hastings <stuart@apple.com>
1111 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1112 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1114 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1117 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1118 complex values, nor for generic vector values.
1120 2006-08-22 Richard Guenther <rguenther@suse.de>
1123 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1124 parameter. Convert arguments to arithmetic expression to the
1126 (analyze_scalar_evolution_1): Adjust caller.
1128 2006-08-22 Jan Hubicka <jh@suse.cz>
1130 Patch by Paolo Bonzini
1131 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1134 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1136 PR tree-optimization/28003
1137 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1138 before grouping aliases.
1140 2006-08-22 Roger Sayle <roger@eyesopen.com>
1142 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1143 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1145 2006-08-21 Jason Merrill <jason@redhat.com>
1148 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1149 wrapper. Loop to handle nested wrappers.
1150 (gimplify_bind_expr): Remove temp parameter.
1151 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1152 and STATEMENT_LIST on the rhs.
1153 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1154 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1155 (gimplify_target_expr): Remove special BIND_EXPR handling.
1157 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1159 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1162 2006-08-21 Olivier Hainque <hainque@adacore.com>
1164 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1165 Arrange for the temporary captures of components overlapping the lhs
1166 to happen before the lhs is possibly cleared.
1168 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1170 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1171 necessary places to pass the correct "number of registers" values
1174 2006-08-20 Jan Hubicka <jh@suse.cz>
1176 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1177 (create_name_tags): Instead of quadratic checking use hashtable.
1178 * bitmap.h: Include hashtab.h.
1179 (bitmap_hash): Declare.
1180 * bitmap.c (bitmap_hash): New function.
1182 2006-08-20 Jan Hubicka <jh@suse.cz>
1184 PR rtl-optimization/28071
1185 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1187 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1188 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1189 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1190 cgraph_decide_inlining_incrementally): Update use of
1191 cgraph_check_inline_limits.
1192 * cgraph.c (edge_hash, edge_eq): New function.
1193 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1194 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1195 cgraph_remove_node): Maintain call site hash.
1196 * cgraph.h (struct cgraph_node): Add call_site_hash.
1197 (cgraph_set_call_stmt): New function.
1199 2006-08-20 Jan Hubicka <jh@suse.cz>
1201 PR rtl-optimization/28071
1202 * reload1.c (reg_has_output_reload): Turn into regset.
1203 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1204 choose_reload_regs, emit_reload_insns): Update to new
1205 reg_has_output_reload.
1207 2006-08-20 Jan Hubicka <jh@suse.cz>
1210 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1211 function body sizes.
1212 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1214 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1217 * tree.c (handle_dll_attribute): Return early if not a
1218 var or function decl.
1220 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1223 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1224 alignment of SPE vector types.
1226 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1228 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1230 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1233 * cgraph.h (struct cgraph_node): Remove externally_visible
1235 * cgraphunit.c (process_function_and_variable_attributes): Set
1236 local.externally_visible rather than externally_visible.
1239 * c-common.c (handle_externally_visible_attribute): First look
1240 at TREE_CODE and only if it is function or var decl, check for
1241 non-public objects. Don't warn for DECL_EXTERNAL.
1242 * cgraphunit.c (process_function_and_variable_attributes): Warn
1243 if externally_visible attribute is used on non-public object.
1245 2006-08-17 Jan Hubicka <jh@suse.cz>
1247 PR tree-optimization/27865
1248 * reload1.c (forget_marked_reloads): New function.
1249 (forget_old_reloads_1): When data are passed, just mark the registers
1251 (reload_as_needed): Use the new mechanizm.
1253 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1256 * reload.h (reg_equiv_alt_mem_list): New declaration.
1257 * reload1.c (reg_equiv_alt_mem_list): New definition.
1258 (reload): Initialize it and release it.
1259 (delete_output_reload): Use it.
1260 * reload.c (push_reg_equiv_alt_mem): New function.
1261 (find_reloads_toplev): Call it.
1262 (find_reloads_address, find_reloads_address_1): Likewise.
1263 (find_reloads_subreg_address): Likewise.
1265 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1267 PR rtl-optimization/28489
1268 * sched-ebb.c (begin_schedule_ready): Create basic block
1270 (advance_target_bb): Skip empty blocks.
1271 * haifa-sched.c (bb_note): Make global.
1272 * sched-int.h (bb_note): Add prototype.
1274 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1276 PR tree-optimization/27865
1277 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1279 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1280 fold_used_pointer, pointer_used_p): New functions.
1281 (analyze_scalar_evolution_1): Use fold_used_pointer.
1282 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1283 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1286 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1289 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1290 or the INTEGER_CST. Fail on a CALL_EXPR.
1291 (fold_offsetof): Pass new argument to fold_offsetof_1.
1292 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1293 operand into an INDIRECT_REF.
1294 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1296 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1298 PR gcov/profile/26570
1299 * value-prof.c (static_values): Removed.
1300 (tree_find_values_to_profile): Do not set static_values.
1301 (find_values_to_profile): Do not free static_values.
1302 * profile.c (instrument_values): Do not free the values.
1303 (branch_prob): Free the values.
1305 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1307 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1309 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1312 * c-typeck.c (build_component_ref): Combine qualifiers of
1313 structure or union and field.
1315 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1317 PR rtl-optimization/28071
1318 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1319 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1320 * tree-into-ssa.c (struct dom_dfsnum): New.
1321 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1323 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1324 compute_global_livein.
1325 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1326 in phi nodes in the correct blocks.
1328 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1330 PR tree-optimization/28364
1331 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1333 (fold_affine_expr): New function.
1334 (may_eliminate_iv): Use fold_affine_expr.
1336 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1339 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1342 2006-08-16 Mike Stump <mrs@apple.com>
1344 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1345 * doc/cppopts.texi (-MD): Likewise.
1347 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1350 * c-common.c (handle_weak_attribute): Ignore and warn if
1351 not a FUNCTION_ or VAR_DECL.
1353 2006-07-15 Mike Stump <mrs@apple.com>
1356 * c-parser.c (c_parser_typeof_specifier): Don't use
1357 c_finish_expr_stmt, open code desired semantics instead.
1359 2006-08-15 Nick Clifton <nickc@redhat.com>
1361 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1362 fragment to tmake_file only if threads are enabled.
1363 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1364 * config/i386/t-gthr-win32: New file. ... here.
1366 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1369 * c-parser.c (c_parser_compound_statement_nostart): Reset
1370 parser->error after each statement.
1372 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1375 * omp-low.c (lower_omp_parallel): Convert t to
1376 receiver_decl's type.
1377 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1378 source before comparison.
1381 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1382 to itype in assignment to oldival2.
1384 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1388 * c-typeck.c (build_compound_expr): If the second expression
1389 is an error mark, then just return an error mark instead of
1390 creating a COMPOUND_EXPR.
1392 2006-07-14 Mike Stump <mrs@apple.com>
1394 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1396 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1398 * c-decl.c, var-tracking.c: Fix comment typos.
1400 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1402 PR rtl-optimization/28634
1403 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1404 for floating-point modes unless flag_unsafe_math_optimizations.
1406 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1407 Andrew Pinski <pinskia@physics.uc.edu>
1410 * tree.c (build_array_type): Unify array types with
1411 unspecified index_type.
1412 * c-decl.c (grokdeclarator): Make sure we do not modify a
1413 unified incomplete array type.
1414 * c-typeck.c (store_init_value): Create distinct type before
1415 filling in the index type in an initializer from a compound
1418 * c-decl.c (grokdeclarator): Remove code where we copy the
1421 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1423 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1424 into account for TODO_dump_cgraph.
1425 (TODO_update_ssa_no_phi): Likewise.
1426 (TODO_update_ssa_full_phi): Likewise.
1427 (TODO_update_ssa_only_virtuals): Likewise.
1428 (TODO_remove_unused_locals): Likewise.
1429 (TODO_set_props): Likewise.
1430 (TODO_update_stmt_usage): Likewise.
1432 2006-08-13 Dirk Mueller <dmueller@suse.de>
1434 * c-common.c (strict_aliasing_warning): Fix formatting.
1436 2006-08-13 Matthias Klose <doko@debian.org>
1438 * doc/invoke.texi: Fix spelling errors.
1440 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1442 PR rtl-optimization/23454
1443 * reorg.c (relax_delay_slots): Update comment.
1445 2006-08-11 Richard Guenther <rguenther@suse.de>
1448 * simplify-rtx.c (simplify_const_relational_operation):
1449 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1452 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1454 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1455 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1457 2006-08-10 Paul Brook <paul@codesourcery.com>
1459 * final.c (final_scan_insn): Clear current_insn_predicate before
1460 outputting inline asm.
1462 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1464 PR tree-optimization/26197
1465 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1466 get_ref_base_and_extent and overlap_subvar to add only relevant
1467 subvars as may-aliases.
1468 (add_may_alias_for_new_tag): New function, factored out of
1470 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1471 with additional argument.
1472 * tree-flow.h (new_type_alias): Takes additional argument.
1474 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1476 * gcov.c (no_data_file): New flag.
1477 (read_count_file): Set it if data file not present. Assume counts
1479 (output_lines): Don't name the data file, if there wasn't one.
1481 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1483 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1484 (rs6000_generate_compare): Tweak comments.
1485 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1487 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1489 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1490 (var_debug_decl): New function.
1491 (var_reg_set): Follow debug decl link. Add location even if
1492 reg is already known to hold some other variable.
1493 (var_mem_set): Follow debug decl link.
1494 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1495 decl link. Delete other known locations of the variable part
1497 (var_reg_delete, var_mem_delete): Delete other known locations
1498 of the variable part if requested.
1499 (same_variable_part_p): New function.
1500 (add_stores): Select MO_COPY when appropriate.
1501 (vt_initialize): Handle it.
1502 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1503 known locations for MO_SET and MO_CLOBBER.
1504 (find_variable_location_part): New function.
1505 (set_variable_part, delete_variable_part): Use it.
1506 (clobber_variable_part): New function.
1507 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1510 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1512 PR tree-optimization/26969
1513 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1514 with an empty list of PHIs.
1516 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1520 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1523 2006-08-06 Andreas Schwab <schwab@suse.de>
1525 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1526 string. Whitespace and comment fixup.
1528 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1531 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1535 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1538 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1540 2006-08-04 Jan Hubicka <jh@suse.cz>
1544 * reload.c (push_reload): Patch out the mismatching instruction;
1546 (find_reload): Bail out if the instruction was patched out.
1548 2006-08-04 Jan Hubicka <jh@suse.cz>
1550 PR tree-optimization/24888
1551 * tree-inline.c (expand_call_inline): Do not re-record variables.
1552 (declare_inline_vars): Add variable to unexpanded_var_list.
1554 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1555 Roger Sayle <roger@eyesopen.com>
1557 PR rtl-optimization/26244
1558 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1559 inner_const are negative or greater than or equal to the bitsize of
1560 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1561 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1562 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1563 CONST0_RTX (mode) when the new shift count is greater than or equal to
1564 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1567 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1569 * tree-cfg.c: Fix a comment typo.
1571 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1574 * varasm.c (output_constant): Give the front end another chance to
1575 expand constants, after stripping NOPs.
1577 2006-08-03 Jan Hubicka <jh@suse.cz>
1579 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1582 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1584 PR tree-optimization/27770
1585 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1586 declaration removed (moved to tree-flow.h).
1587 (vect_can_force_dr_alignment_p): Likewise.
1588 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1589 (moved from tree-vectorizer.h).
1590 (vect_can_force_dr_alignment_p): Likewise.
1591 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1592 from outside the vectorizer - in particular from cgraph stage.
1593 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1594 the alignment of global arrays when -fsection-anchors is enabled.
1595 * cgraphunit.c (cgraph_increase_alignment): New function.
1596 (cgraph_optimize): Call cgraph_increase_alignment.
1598 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1601 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1602 not reload a SPE symbol_ref into a lo_sum address.
1604 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1607 * dwarf2out.c (prune_unused_types_prune): Move call to
1608 prune_unused_types_update_strings to cover the parent DIE also.
1610 2006-08-02 Jan Hubicka <jh@suse.cz>
1612 PR gcov/profile/28480
1613 * tree-cfg.c (change_bb_for_stmt): New function.
1614 (tree_merge_blocks, tree_split_blocks): Use it.
1616 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1622 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1623 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1624 (cgraph_optimize): Likewise.
1626 2006-08-01 Stuart Hastings <stuart@apple.com>
1628 * rtl.h (UINTVAL) New.
1629 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1630 * testsuite/gcc.dg/20060801-1.c: New.
1632 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1635 * c-typeck.c (build_external_type): Mark used enum types.
1636 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1638 (gen_subprogram_die): Whitespace fix.
1640 2006-08-01 Jan Hubicka <jh@suse.cz>
1642 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1643 bitmap when not needed.
1644 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1647 2006-08-01 Dirk Mueller <dmueller@suse.de>
1649 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1651 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1653 * Makefile.in: Revert part of previous patch:
1654 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1657 2006-07-30 Eric Christopher <echristo@apple.com>
1660 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1661 (PowerPC Variable Attributes): New section.
1663 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1665 PR target/28126 (partial fix)
1666 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1668 2006-07-28 Jan Hubicka <jh@suse.cz>
1670 PR rtl-optimization/28071
1671 * cfgrtl.c (rtl_delete_block): Free regsets.
1672 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1674 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1676 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1677 and variables used in dependencies.
1679 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1681 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1682 %fs for -mcmodel=kernel.
1683 (stack_tls_protect_test_di): Likewise.
1685 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1687 * Makefile.in: Use mkinstalldirs.
1689 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1692 * opts-common.c (prune_options): Skip joined switches.
1694 2006-07-27 Jan Hubicka <jh@suse.cz>
1696 PR rtl-optimization/28071
1697 * cselib.c (cselib_process_insn): Don't remove useless values too
1698 often for very large hashtables.
1700 2006-07-27 Jan Hubicka <jh@suse.cz>
1702 PR rtl-optimization/28071
1703 * global.c (greg_obstack): New obstack.
1704 (allocate_bb_info): Use it.
1705 (free_bb_info): Likewise.
1706 (modify_reg_pav): Likewise.
1708 2006-07-27 Roger Sayle <roger@eyesopen.com>
1710 * builtins.c (fold_fixed_mathfn): When long and long long are the
1711 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1712 functions to their lceil*, lfloor*, lround* and lrint* forms.
1714 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1717 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1719 (rev_branch_insn): Likewise.
1721 2006-07-27 Jan Hubicka <jh@suse.cz>
1723 PR rtl-optimization/28071
1724 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1725 (reg_set_in_bb, max_reg_computed): New static variables.
1726 (regmove_optimize): Free the new array.
1727 (fixup_match_1): Update call of reg_is_remote_constant_p.
1729 2006-07-26 Jan Hubicka <jh@suse.cz>
1731 PR tree-optimization/27882
1732 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1734 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1736 (cgraph_analyze_compilation_unit): Likewise.
1737 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1738 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1739 (cgraph_early_inlinine): Make order garbage collected.
1740 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1742 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1744 * dbxout.c (output_types_sort): Add a comment.
1745 (output_used_types): Free the VEC.
1747 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1749 * function.c (reorder_fix_fragments): Delete.
1750 (reorder_blocks): Don't call it.
1751 (reorder_blocks_1): Put all subblocks under the origin block.
1753 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1755 PR rtl-optimization/27907
1756 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1759 2006-07-25 Roger Sayle <roger@eyesopen.com>
1762 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1763 bar(x) check that bar's result type can represent all the values of T.
1765 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1767 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1769 2006-07-25 Nick Clifton <nickc@redhat.com>
1771 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1772 size_lookup[] array.
1773 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1774 (ggc_pch_count_object): Likewise.
1775 (ggc_pch_alloc_object): Likewise.
1776 (ggc_pch_write_object): Likewise.
1777 (init_ggc): Do not attempt to initialize entries in the
1778 size_lookup[] array for objects whose size is greater than than
1779 the length of the array.
1781 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1783 * dbxout.c (output_used_types_helper): Push queued types
1785 (output_types_sort): New.
1786 (output_used_types): Collect used types on a VEC and sort them
1789 2006-07-24 Richard Guenther <rguenther@suse.de>
1792 * cgraph.c (cgraph_remove_node): Do not check if dumps
1794 * cgraphunit.c (cgraph_optimize): Likewise.
1796 2006-07-24 Jan Hubicka <jh@suse.cz>
1798 PR rtl-optimization/28071
1799 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1800 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1801 splitting before first stmt.
1803 2006-07-24 Jan Hubicka <jh@suse.cz>
1805 PR rtl-optimization/28071
1806 * ipa-inline.c (update_caller_keys): Remove edges that
1807 are no longer inline candidates.
1809 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1812 * dbxout.c (output_used_types_helper, output_used_types): New.
1813 (dbxout_symbol): Call output_used_types.
1815 2006-07-23 Jan Hubicka <jh@suse.cz>
1819 * cgraph.c (cgraph_varpool_nodes): Export.
1820 (decide_is_variable_needed): Ignored "used" attribute in
1821 unit-at-a-time mode.
1822 * cgraph.h (cgraph_varpool_nodes): Declare.
1823 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1824 unit-at-a-time mode.
1826 2006-07-23 Roger Sayle <roger@eyesopen.com>
1829 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1830 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1831 the __gthrw form of thr_keycreate.
1832 (__gthread_key_delete): Silence the unused argument warning.
1834 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1837 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1838 Cache the last found '\0' marker to avoid quadratic behavior.
1840 2006-07-23 Jan Hubicka <jh@suse.cz>
1842 * i386.md (subsi_3_zext): Fix output template.
1844 2006-07-21 Mike Stump <mrs@apple.com>
1846 * doc/invoke.texi (C++ Dialect Options): Note that
1847 -fvisibility-inlines-hidden doesn't affect explicitly
1848 instantiationed inline methods.
1850 2006-07-20 Roger Sayle <roger@eyesopen.com>
1852 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1853 if the target assembler is GNU binutils' gas.
1854 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1855 whether to pass GNU gas or native as command line options.
1857 2006-07-20 Jason Merrill <jason@redhat.com>
1859 * tree.c (remove_attribute): New fn.
1860 * tree.h: Declare it.
1862 2006-07-20 Paul Brook <paul@codesourcery.com>
1865 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1866 they are invalidated by this instruction.
1868 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1871 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1873 2006-07-20 Eric Christopher <echristo@apple.com>
1876 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1878 2006-07-19 Eric Christopher <echristo@apple.com>
1880 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1881 Rewrite dependencies for libgcc_s.1.dylib.
1883 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1885 * except.c (duplicate_eh_regions_1): Clear next_peer.
1887 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1889 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1890 -mlongcall does not guarantee all calls will be long.
1891 * doc/extend.texi (long_call/short_call): Document that longcall
1892 does not guarantee a long call will be used.
1893 (longcall/shortcall): Likewise.
1895 2006-07-18 Roger Sayle <roger@eyesopen.com>
1898 * expmed.c (expand_shift): Additionally check that the shift_cost
1899 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1900 before implementing a LSHIFT_EXPR as a sequence of additions.
1901 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1902 middle-end that DImode shifts need to be synthesized by expand.
1904 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1907 * tree-ssa-operands.c (access_can_touch_variable): Update
1909 Return true if ALIAS is .GLOBAL_VAR.
1911 2006-07-18 David Daney <ddaney@avtrex.com>
1913 * gcc.c (display_help): Fix typo in help text.
1915 2006-07-18 Olivier Hainque <hainque@adacore.com>
1917 * tree.h (categorize_ctor_elements): Adjust prototype and add
1918 descriptive comment, both in accordance with the interface change
1920 * varasm.c (constructor_static_from_elts_p): New function.
1921 Whether a constructor node is a valid static constant initializer
1922 if all its elements are.
1923 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1924 * output.h: Declare it.
1925 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1926 is a valid constant initializer instead of computing the number of
1927 non-constant elements. Use constructor_static_from_elts_p for this
1928 purpose. Replace the head comment with an indication that this is a
1929 helper for categorize_ctor_elements.
1930 (categorize_ctor_elements): Same interface change as for the _1
1931 helper. Former head comment from this helper moved here, adjusted to
1932 account for the interface changes.
1933 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1934 (all_zeros_p): Likewise.
1935 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1936 static versions of the constructor from the categorize_ctor_elements
1937 return value instead of the formerly computed number of non-constant
1940 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1942 * configure: Regenerate.
1943 * Makefile.in (build_libsubdir): New configure substitution
1944 (build_libobjdir): New variable.
1945 (BUILD_LIBIBERTY): Use it.
1947 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1950 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1952 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1955 * c-common.c (handle_weakref_attribute): Ignore attribute in
1956 the same conditions the alias attribute is ignored.
1958 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1960 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1961 (dbxout_begin_prologue): Increment scope_labelno.
1963 2006-07-17 Richard Henderson <rth@redhat.com>
1966 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1969 2006-07-17 Roger Sayle <roger@eyesopen.com>
1970 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1972 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1973 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1974 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1975 functions such as sbrk, write, etc.. Add function prototypes.
1976 Convert function declarations from K&R to ISO C. Cast pointers
1977 to "long" and "unsigned long" instead of "int" and "unsigned int".
1978 Convert tokens following #endif into comments.
1980 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1982 * invoke.texi: Remove mention of f77; Reformat table for
1983 inline parameter options correctly; mention that -malign-double
1984 is default on x86-64 targets.
1986 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1988 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1989 (convert_affine_scev, chrec_convert_aggressive): Use
1990 avoid_arithmetics_in_type_p. Do not check for the subtypes
1993 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1996 * optabs.c (expand_doubleword_shift): Wrap the call to
1997 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1999 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2002 * optabs.c (expand_binop): Pass next_methods rather than methods
2003 to expand_doubleword_shift.
2005 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2008 * tree.h (dump_addr): Declare.
2009 * print-tree.c (dump_addr): New function.
2010 (print_node_brief, print_node): Use it.
2011 * print-rtl.c (print_rtx): Likewise.
2012 * common.opt (-fdump-noaddr): New option.
2013 * doc/invoke.texi (-fdump-noaddr): Document.
2014 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2015 (ve_info_hash): Likewise.
2017 2006-07-13 Andrew Haley <aph@redhat.com>
2019 PR tree-optimization/19505
2020 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2021 edge leaving this block, make sure that the destination of this
2022 block has only one predecessor.
2024 2006-07-17 Richard Guenther <rguenther@suse.de>
2026 PR tree-optimization/28238
2027 * tree-inline.c (copy_bb): Check if we produced valid
2028 gimple copying and substituting a stmt. If not, gimplify
2031 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2033 * optabs.c (maybe_encapsulate_block): New function extracted from...
2034 (emit_libcall_block): ...here. Invoke it on the block of insns to
2035 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2036 (emit_no_conflict_block): Likewise.
2038 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2040 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2042 2006-07-15 Roger Sayle <roger@eyesopen.com>
2044 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2045 a new NOP_EXPR case of the switch statement.
2047 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2050 * stor-layout.c (place_field): Take the bit field with
2051 an excessive size into account in the ms-bitfiled case.
2054 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2055 the previous bit field.
2057 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2060 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2062 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2064 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2065 signal frames correctly even when the signal was installed with
2068 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2070 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2071 (dbxout_function_end): Use local label LFBB. Remove hook
2073 (dbxout_source_line): Use local label LFBB.
2074 (dbxout_block): Likewise.
2075 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2076 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2077 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2078 and DBX_OUTPUT_NFUN.
2080 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2082 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2084 2006-07-13 Jan Hubicka <jh@suse.cz>
2086 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2088 * output.h (align_variable): Declare.
2089 * varasm.c (align_variable): Export.
2090 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2091 when basic block changed.
2093 2006-07-13 Nick Clifton <nickc@redhat.com>
2095 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2096 walking the LOG_LINKS chain.
2098 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2100 * doc/invoke.texi (C++ Dialect Options): Explain difference
2101 between -fvisibility-inlines-hidden and setting hidden
2102 visibility explicitly.
2104 2006-07-12 Eric Christopher <echristo@apple.com>
2106 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2107 (stmp-lipo): Depend on libgcc.a.
2109 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2111 * tree.c: Fix a comment typo.
2113 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2115 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2117 (umulhisi3_r): Likewise.
2119 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2122 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2123 x < 19, vs wchar_t support.
2125 2006-07-12 Nick Clifton <nickc@redhat.com>
2127 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2128 instead of -isa=sh4.
2130 2006-07-12 Mike Stump <mrs@apple.com>
2132 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2134 2006-07-10 Eric Christopher <echristo@apple.com>
2136 * config/t-slibgcc-darwin: Rewrite.
2138 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2141 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2144 2006-07-08 Matthias Klose <doko@debian.org>
2146 * doc/sourcebuild.texi: Fix typo.
2148 2006-07-07 Mike Stump <mrs@apple.com>
2150 * toplev.c (process_options): Don't give -ffunction-sections may
2151 affect debugging warning for Mach-O.
2153 2006-07-07 James E Wilson <wilson@specifix.com>
2155 * config/mips/mips.md (cpu): Add sb1a.
2156 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2157 addition to sb1. Adjust comments to clarify SB-1A differences from
2159 (ir_sb1a_load): New. Modify bypasses to use it.
2160 (ir_sb1a_simple_alu): Likewise.
2161 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2162 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2163 (mips_issue_rate): Add PROCESSOR_SB1A.
2164 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2165 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2166 (TARGET_SB1): Add PROCESSOR_SB1A check.
2167 (TUNE_SB1): Likewise.
2169 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2170 * config/mips/mips.c (mips_store_data_bypass_p): New.
2171 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2172 store_data_bypass_p.
2174 2006-07-08 Paul Brook <paul@codesourcery.com>
2177 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2179 2006-07-07 Richard Guenther <rguenther@suse.de>
2182 * tree.h (build_one_cst): Declare.
2183 * tree.c (build_one_cst): New function.
2184 * tree-ssa-math-opts.c (get_constant_one): Remove.
2185 (insert_reciprocals): Use build_one_cst.
2186 * fold-const.c (fold_plusminus_mult): Likewise.
2188 2006-07-07 Roger Sayle <roger@eyesopen.com>
2190 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2191 * cfgloopanal.c (dump_graph): Likewise.
2192 * dojump.c (discard_pending_stack_adjust): Likewise.
2193 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2195 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2196 * function.c (finalize_block_changes): Likewise.
2197 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2198 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2199 * rtl.c (dump_rtx_statistics): Likewise.
2200 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2202 * varray.c (dump_varray_statistics): Likewise.
2203 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2204 decode_decimal64, encode_decimal128, decode_decimal128,
2205 decimal_real_to_decimal): Likewise.
2207 2006-07-07 Richard Guenther <rguenther@suse.de>
2209 PR tree-optimization/28187
2210 * tree-vrp.c (vrp_operand_equal_p): New function.
2211 (vrp_bitmap_equal_p): Likewise.
2212 (update_value_range): Use them to compare old and new
2215 2006-07-06 Roger Sayle <roger@eyesopen.com>
2217 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2218 a default case to switch statement to silence compiler warnings.
2220 2006-07-06 Roger Sayle <roger@eyesopen.com>
2223 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2224 the configured assembler supports the x87's ffreep mnemonic.
2225 * configure: Regenerate.
2226 * config.in: Regenerate.
2228 * config/i386/i386.c (output_387_ffreep): New function.
2229 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2230 (output_387_reg_move): Likewise.
2232 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2234 Port to hosts whose 'sort' and 'tail' implementations
2235 treat operands with leading '+' as file names, as POSIX
2236 has required since 2001. However, make sure the code still
2237 works on pre-POSIX hosts.
2238 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2239 which says you should use "tail -c +N" rather than "tail +Nc".
2240 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2242 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2244 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2247 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2250 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2251 PRE_{INC,DEC} of TFmode.
2253 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2254 Alan Modra <amodra@bigpond.net.au>
2257 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2260 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2263 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2264 Remove duplicate gtu.
2266 2006-07-05 Jason Merrill <jason@redhat.com>
2270 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2271 * c-common.c (handle_packed_attribute): So don't copy it here.
2272 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2274 2006-07-05 Mike Stump <mrs@apple.com>
2276 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2278 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2281 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2283 2006-07-05 Richard Guenther <rguenther@suse.de>
2286 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2287 TARGET_SSE2 targets if using SSE math.
2288 (*absdf2_1): Likewise.
2290 2006-07-05 Richard Guenther <rguenther@suse.de>
2292 PR tree-optimization/28162
2293 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2294 make sure to convert the operands to the correct type.
2296 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2298 PR tree-optimization/28218
2300 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2301 to calculate and free the dominator information.
2303 2006-07-04 Peter O'Gorman <peter@pogma.com>
2305 * mklibgcc.in: chmod 644 before ranlib during install.
2307 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2308 J"orn Rennecke <joern.rennecke@st.com>
2310 * configure.ac (.eh_frame data check): Use diff -b.
2312 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2315 * Makefile.in (BUILD_RTL): Add build/vec.o.
2316 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2317 (build/genextract): Delete.
2318 (build/genautomata): Likewise.
2320 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2323 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2324 128-bit IBM long doubles for ABI_V4.
2326 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2328 * tree.c (range_in_array_bounds_p): New predicate.
2329 * tree.h (range_in_array_bounds_p): Declare it.
2330 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2331 return a less conservative answer.
2332 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2333 and flag 'is_group'.
2334 (IS_ELEMENT_FOR_GROUP): New macro.
2335 (FOR_EACH_ACTUAL_CHILD): Likewise.
2336 (next_child_for_group): New helper function.
2337 (can_completely_scalarize_p): Take into account groups.
2338 (sra_hash_tree): Handle RANGE_EXPR.
2339 (sra_elt_eq): Likewise.
2340 (lookup_element): Be prepared for handling groups.
2341 (is_valid_const_index): Delete.
2342 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2343 instead of is_valid_const_index.
2344 <ARRAY_RANGE_REF>: New case.
2345 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2346 is_valid_const_index.
2347 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2348 (scan_dump): Dump info for groups too.
2349 (decide_instantiation_1): Likewise.
2350 (decide_block_copy): Assert that the element is not a group.
2351 Propagate decision to groups.
2352 (generate_one_element_ref): Handle RANGE_EXPR.
2353 (mark_no_warning): Iterate over actual childs.
2354 (generate_copy_inout): Likewise.
2355 (generate_element_copy): Likewise.
2356 (generate_element_zero): Likewise.
2357 (generate_element_init_1): Likewise.
2358 (dump_sra_elt_name): Handle RANGE_EXPR.
2360 2006-07-03 Roger Sayle <roger@eyesopen.com>
2362 PR tree-optimization/26251
2363 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2364 (thread_block): When optimizing for size refuse to thread jumps
2365 that would require duplication of blocks other than redirection
2368 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2370 * configure.ac: Fix thinko in previous check-in.
2371 * configure: Regenerate.
2373 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2376 * configure.ac (for lang...): Simplify nesting of conditionals.
2377 Test subdir_requires for non-enabled languages. Move processing
2378 of lang_opt_files and lang_tree_fiels below that test.
2379 * configure: Regenerate.
2380 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2382 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2384 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2386 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2388 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2391 2006-06-29 Jason Merrill <jason@redhat.com>
2398 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2399 * c-common.c (c_determine_visibility): Handle it here.
2400 * c-decl.c (finish_decl): Call c_determine_visibility for
2402 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2404 * varasm.c (default_assemble_visibility): Likewise.
2405 * c-common.c (handle_visibility_attribute): Complain about trying
2406 to give visibility to an already defined class, or trying to change
2407 declared visibility. Always attach the attribute.
2412 * attribs.c (decl_attributes): Ignore type-in-place attributes
2413 once the type has been defined.
2415 2006-06-29 Roger Sayle <roger@eyesopen.com>
2418 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2419 to indicate the cpplib has issued an error message for us.
2421 2006-06-29 Asher Langton <langton2@llnl.gov>
2424 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2425 insert a label at the end of an function under Mach-O.
2427 2006-06-29 Eric Christopher <echristo@apple.com>
2428 Evan Cheng <evan.cheng@apple.com>
2430 * predicates.md (vector_all_ones_operand): New.
2431 (nonimmediate_or_sse_const_operand): Ditto.
2432 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2433 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2434 (standard_sse_mode_p): Ditto.
2435 (standard_sse_constant_p): Add case for -1 vector.
2436 (ix86_expand_vector_move): Try to use.
2437 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2438 Call standard_sse_constant_opcode.
2439 (*movv4sf_internal): Ditto.
2440 (*movv2df_internal): Ditto.
2442 2006-06-29 Roger Sayle <roger@eyesopen.com>
2444 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2445 of XEXP to extract the operands of a MATCH_CODE rtx.
2447 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2449 * tree.c (tree_size): Do not waste tail padding in
2450 struct tree_string and make the size be the same as
2451 build_string will generate.
2453 2006-06-28 Jason Merrill <jason@redhat.com>
2456 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2457 may_aliases already in the tag's annotations to the bitmap.
2459 2006-06-28 Roger Sayle <roger@eyesopen.com>
2461 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2463 2006-06-28 Roger Sayle <roger@eyesopen.com>
2465 * genpreds.c (generate_switch_p): New function.
2466 (add_mode_tests): Push the new mode test down inside an AND expr
2467 if this allows the switch-suitable MATCH_CODE to be near the root.
2468 (write_match_code_switch): New function to write a MATCH_CODE as
2470 (write_predicate_stmts): New function to write a predicate RTX
2471 expression as a sequence of statements.
2472 (write_one_predicate_function): Use write_predicate_stmts.
2473 (write_tm_constrs_h): Likewise.
2475 2006-06-26 Fred Fish <fnf@specifix.com>
2477 * config/mips/t-sb1: New file.
2478 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2481 2006-06-26 DJ Delorie <dj@redhat.com>
2483 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2485 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2486 Jayant Sonar <jayants@kpitcummins.com>
2487 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2489 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2490 (subsi3, subsi3_1, subsi3_2): New.
2491 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2492 * config/m32c/mov.md (SI mov peephole): New.
2493 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2494 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2496 2006-06-26 Olivier Hainque <hainque@adacore.com>
2498 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2499 a CALL_EXPR target function declaration.
2501 2006-06-26 Richard Guenther <rguenther@suse.de>
2503 * tree.c (build_string): Do not waste tail padding in
2506 2006-06-26 Richard Guenther <rguenther@suse.de>
2508 * ggc-page.c (init_ggc): Add missing element to size_lookup
2512 2006-06-23 Richard Guenther <rguenther@suse.de>
2514 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2515 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2516 alignment requests instead. Add verification code.
2517 Add struct tree_function_decl and struct tree_binfo size to
2518 extra_order_size_table. Add missing element to size_lookup
2521 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2524 * fold-const.c (const_binop): Be prepared for self returning zero.
2525 Simplify code handling complex values.
2527 2006-06-24 Olivier Hainque <hainque@adacore.com>
2529 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2530 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2533 2006-06-24 Olivier Hainque <hainque@adacore.com>
2535 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2536 ARRAY_REF, so have the callback called for the low bound expression.
2538 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2540 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2541 * c-typeck.c (c_common_type): Disallow operations on decimal float
2542 types and other float types.
2543 * convert.c (convert_to_real): Don't ignore conversions involving
2544 decimal float types.
2546 2006-06-23 Olivier Hainque <hainque@adacore.com>
2548 * tree.c (max_int_size_in_bytes): New function, inspired from
2549 code in function.c:assign_temp.
2550 * tree.h (max_int_size_in_bytes): Declare.
2551 * function.c (assign_temp): Use it.
2552 * gimplify.c (create_tmp_var): Relax the assertions on the type
2553 properties, not mandating constant size any more.
2554 (force_constant_size): New static function.
2555 (gimple_add_tmp_var): Use it, forcing variable size to a
2556 constant upper bound if it is not constant on entry.
2558 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2561 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2562 for initialization and setting of one_only flag to ...
2563 (i386_pe_encode_section_info): ...here.
2564 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2565 Recheck that the symbol has not been defined.
2567 2006-06-23 Richard Guenther <rguenther@suse.de>
2569 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2570 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2571 alignment requests instead. Add verification code.
2572 Add struct tree_function_decl and struct tree_binfo size to
2573 extra_order_size_table. Add missing element to size_lookup
2576 2006-06-22 Roger Sayle <roger@eyesopen.com>
2577 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2580 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2581 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2583 2006-06-23 Ben Elliston <bje@au.ibm.com>
2585 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2586 negate dn -- manipulate it directly.
2588 2006-06-22 Roger Sayle <roger@eyesopen.com>
2589 Steven Bosscher <stevenb.gcc@gmail.com>
2592 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2593 generated by gen_move_insn to add REG_LABEL notes if necessary.
2595 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2597 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2598 (leaf_entry): Remove use of MIN_ESA.
2600 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2602 PR rtl-optimization/28121
2603 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2606 2006-06-21 DJ Delorie <dj@redhat.com>
2608 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2610 (mulhisi3_r): Likewise.
2612 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2615 * coverage.c (coverage_counter_alloc): Leave the index type
2617 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2620 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2622 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2623 section from the "Options for Code Generation Conventions".
2625 2006-06-21 Richard Henderson <rth@redhat.com>
2629 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2631 (global_symbolic_operand): Allow weak symbols, even if local_p.
2633 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2635 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2636 (find_interesting_uses_address): Punt if above function returns true.
2638 2006-06-21 Richard Guenther <rguenther@suse.de>
2640 * configure: Regenerated.
2642 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2644 * config/mips/mips.c (function_arg): Where one part of a
2645 complex argument is in registers and the other part in the stack,
2646 return a REG not a PARALLEL.
2648 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2650 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2651 when cross-compiling. Do not substitute libstdcxx_incdir.
2652 * configure: Regenerated.
2654 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2656 * varasm.c (mergeable_string_section): Check for embedded NULs and
2657 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2658 rather than TREE_STRING_LENGTH bytes.
2660 2006-06-21 Richard Guenther <rguenther@suse.de>
2662 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2663 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2666 2006-06-21 Richrad Guenther <rguenther@suse.de>
2668 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2669 Limit iteration over the dominators.
2671 2006-06-20 Roger Sayle <roger@eyesopen.com>
2673 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2674 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2676 2006-06-20 Richard Guenther <rguenther@suse.de>
2677 Michael Matz <matz@suse.de>
2679 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2681 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2682 * et-forest.h (et_free_pools): Prototype new function.
2683 * et-forest.c (et_free_tree_force): Free parent occurrence.
2684 (et_free_pools): New function.
2685 * dominance.c (free_dominance_info): Free et-forest alloc
2688 2006-06-20 Roger Sayle <roger@eyesopen.com>
2690 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2691 integer modes, attempt to directly construct an integer constant.
2693 * fold-const.c (native_encode_vector): Determine the size of each
2694 element from the vector type instead of the first vector element.
2696 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2697 if all of its elements/components are constant.
2698 (build_constructor_from_list): Likewise.
2700 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2702 PR tree-optimization/27331
2703 * tree-data-ref.c (free_data_ref): New function.
2704 (create_data_ref): Fail if the data reference has unknown access
2706 (free_data_refs): Use free_data_ref.
2708 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2711 * tree-inline.c (setup_one_parameter): Strip useless
2712 type conversion before adding it to the IR.
2713 (declare_return_variable): Likewise.
2715 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2718 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2720 2006-06-19 Mike Stump <mrs@apple.com>
2722 * tree.c (variably_modified_type_p): VM arguments don't make the
2725 2006-06-19 Richard Guenther <rguenther@suse.de>
2727 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2728 type conversions after folding.
2730 2006-06-19 Richard Guenther <rguenther@suse.de>
2732 * ggc-page.c (extra_order_size_tab): Add entries with
2733 size of struct function and basic_block.
2734 (size_lookup): Extend to cover sizes up to 511.
2735 (ggc_alloc_stat): Adjust user.
2736 (ggc_pch_count_object): Likewise.
2737 (ggc_pch_alloc_object): Likewise.
2738 (ggc_pch_write_object): Likewise.
2740 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2742 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2743 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2746 2006-06-19 Denis Chertykov <denisc@overta.ru>
2748 * config/avr/libgcc.S : Correct my wrong previous commit.
2750 2006-06-19 Roger Sayle <roger@eyesopen.com>
2753 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2754 have stripped a SUBREG from the shift count, so we may need to
2755 convert_to_mode back to the type's mode before calling make_tree.
2756 Use new_amount instead of amount to avoid expanding a tree twice.
2758 2006-06-19 Richard Guenther <rguenther@suse.de>
2761 * fold-const.c (operand_equal_p): Check if the argument types
2762 have the same precision before stripping NOPs.
2764 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2766 Fix PR tree-optimization/27341
2767 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2769 * tree-complex.c (pass_lower_complex): Update SMT usage.
2771 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2773 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2774 Add a new alternative to the constraint strings. Add move of
2775 operand 1 to 3 to the splitter definition.
2776 ("doloop_si_long"): Second contraint alternative removed.
2778 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2780 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2781 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2783 (AVR_HAVE_MOVW) Define.
2784 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2785 (ASM_SPEC): Add avr25.
2786 (LINK_SPEC): Add avr25.
2787 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2788 (base_arch_s): Add new member 'have_movw_lpmx'.
2789 (avr_arch_types): Init 'have_movw_lpmx'.
2790 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2791 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2792 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2793 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2794 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2796 (avr_file_start): Do not output '.arh' derective.
2797 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2798 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2799 * config/avr/avr.md (mcu_enhanced): Delete.
2800 (mcu_have_movw): Define.
2801 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2802 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2803 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2804 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2805 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2806 attiny861 and at86rf401 devices.
2808 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2810 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2813 2006-06-17 Karl Berry <karl@gnu.org>
2815 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2816 doc/gccint.texi, doc/install.texi (@dircategory): Use
2817 "Software development" instead of "Programming", following
2818 the Free Software Directory.
2820 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2822 * config/i386/i386.c (legitimate_tls_address)
2823 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2824 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2825 (*tls_dynamic_gnu2_combine_64): Likewise.
2827 2006-06-16 Richard Guenther <rguenther@suse.de>
2830 * fold-const.c (negate_expr_p): Do not introduce undefined
2831 overflow in negating INTEGER_CSTs.
2832 (fold_negate_expr): Rename from negate_expr. Revert last
2833 change for folding BIT_NOT_EXPR. Change semantics to
2834 return NULL_TREE for non-simplified negations. Do not
2835 strip type conversions and unify type handling.
2836 (negate_expr): New function, wrap around fold_negate_expr
2837 but ensure building a tree always. Strip type conversions
2838 here, fold to result type.
2839 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2841 2006-06-16 Roger Sayle <roger@eyesopen.com>
2844 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2845 that (would) return their results in stack registers.
2847 2006-06-16 Michael Matz <matz@suse.de>
2848 Richard Guenther <rguenther@suse.de>
2850 * fold-const.c (fold_truthop): Only return new tree node if
2851 we canonicalized something.
2853 2006-06-16 Richard Guenther <rguenther@suse.de>
2855 * function.h (enum function_frequency): Move declaration
2856 out of struct function.
2857 (struct function): Move bool fields and the enum to the bitfield
2858 section. Reorder elements to avoid padding. Remove unused
2859 fields left over from the RTL inliner removal.
2860 * function.c (free_after_compilation): Do not zero removed fields.
2861 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2862 (ipa-type-escape.o): Likewise.
2864 2006-06-16 Richard Guenther <rguenther@suse.de>
2866 * cgraph.h (struct cgraph_local_info): Turn bool elements
2868 (struct cgraph_node): Likewise.
2869 (struct cgraph_varpool_node): Likewise.
2871 2006-06-15 Richard Guenther <rguenther@suse.de>
2873 * fold-const.c (fold_truth_not_expr): Rename from
2874 invert_truthvalue. Give it fold_* semantics to avoid
2876 (invert_truthvalue): New function. Wrapper around
2877 fold_truth_not_expr.
2878 (optimize_minmax_comparison): Avoid creating garbage.
2879 (fold_unary): Use fold_truth_not_expr for folding
2881 (fold_ternary): Replace uses of invert_truthvalue with
2882 fold_truth_not_expr where applicable.
2883 * tree.h (fold_truth_not_expr): Prototype.
2885 2006-06-16 Richard Guenther <rguenther@suse.de>
2887 PR tree-optimization/27781
2888 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2889 * ipa-pure-const.c (target.h): Include.
2890 (analyze_function): Do not analyze functions that do not
2893 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2896 * tree-dfa.c (referenced_vars_dup_list): Remove.
2897 (find_referenced_vars): Remove assert.
2898 (referenced_var_check_and_insert): Replace dup list with assert.
2899 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2900 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2902 2006-06-15 Richard Guenther <rguenther@suse.de>
2904 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2905 extra unused identifiers if not dumping.
2906 (create_variable_info_for): Likewise.
2908 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2910 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2911 (derive_constant_upper_bound): Derive more precise upper bound in
2912 common cases. Return type changed to double_int.
2913 (record_estimate): Reflect the changed return type of
2914 derive_constant_upper_bound.
2915 * double-int.c (double_int_zext, double_int_sext): Fix.
2917 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2919 * configure.ac (CFLAGS): Get them from the toplevel or from the
2920 configure invocation.
2921 * configure: Regenerate.
2922 * Makefile.in (CFLAGS): Substitute value provided by configure.
2924 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2927 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2928 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2929 rather than calling add_stmt on it.
2930 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2932 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2935 * reload1.c (reload): Remove registers returned by update_eliminables
2936 from used_spill_regs.
2938 2006-06-13 DJ Delorie <dj@redhat.com>
2940 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2942 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2944 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2945 html__strip_dir, html__mkdir_p. Enhance install-html target.
2946 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2947 * configure: Regenerate.
2949 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2951 * fold-const.c (fold_cond_expr_with_comparison): Check for
2952 Objective-C++ as language in deciding COND_EXPR transformation.
2954 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2957 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2958 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2959 * config/sh/lib1funcs.h (SL, SL1): Define.
2960 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2961 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2962 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2963 (OBJS_Os_4_200): New variable.
2964 ($(T)libgcc-Os-4-200.a): Use it.
2965 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2966 when dividing 1 and/or by 0.
2968 2006-06-13 Roger Sayle <roger@eyesopen.com>
2970 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2971 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2972 * configure: Regenerate.
2974 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2976 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2977 for real instruction.
2979 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2982 * haifa-sched.c (check_cfg): Handle special case.
2984 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2987 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2988 Add debug_info parameter. Chain the vars to the BLOCK instead
2989 of the BIND_EXPR if debug info are requested for them.
2990 (pop_gimplify_context): Adjust for above change.
2991 (gimple_add_tmp_var): Likewise.
2992 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2994 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2995 (convert_local_reference): Likewise.
2996 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2997 (finalize_nesting_tree_1): Request that debug info be emitted
2998 for debug_var_chain.
3000 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3002 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3003 for PR target/27863.
3005 2006-06-13 Richard Guenther <rguenther@suse.de>
3008 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3010 2006-06-13 Richard Guenther <rguenther@suse.de>
3012 PR tree-optimization/27830
3013 * tree-inline.c (copy_body_r): For copying the operand
3014 of an ADDR_EXPR make sure to fold &* afterwards.
3016 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3018 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3019 lvalues in the fb_none case with side-effects.
3021 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3023 * tree-flow.h: Remove the prototype for
3024 compute_phi_arg_on_exit.
3025 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3026 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3029 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3031 * builtins.c (expand_builtin_return_addr): Only use
3032 frame_pointer_rtx when count == 0 and we are expanding
3033 __builtin_return_address.
3035 2006-06-12 Fred Fish <fnf@specifix.com>
3037 * config/mips/mips.c (mips_file_start): Create special section
3038 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3040 2006-06-11 Eric Christopher <echristo@apple.com>
3043 * stor-layout.c (place_field): Remove check for
3044 remaining_in_alignment when aligning at the end of a run.
3046 2006-06-11 Eric Christopher <echristo@apple.com>
3049 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3052 2006-06-11 Roger Sayle <roger@eyesopen.com>
3055 Revert incorrect fix for PR target/27158
3056 2006-05-08 Roger Sayle <roger@eyesopen.com>
3057 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3058 of a reg_equiv_constant if the result is a legitimate constant.
3060 2006-06-11 Roger Sayle <roger@eyesopen.com>
3063 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3064 extract a CONST_VECTOR element and interpret it as an integer.
3065 (vspltis_constant): Use const_vector_elt_as_int instead of the
3066 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3067 * config/rs6000/predicates.md (easy_vector_const): Consider
3068 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3070 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3073 * stor-layout.c (update_alignment_for_field): Don't add extra
3074 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3077 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3079 * config/mips/t-rtems: Add EL/EB multilib variants.
3081 2006-06-09 Mike Stump <mrs@apple.com>
3083 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3085 2006-06-09 David Daney <ddaney@avtrex.com>
3087 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3089 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3091 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3093 2006-06-09 Richard Guenther <rguenther@suse.de>
3095 PR tree-optimization/26998
3096 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3097 of signed types, only TYPE_MIN_VALUE is special, but for both,
3098 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3099 in this case, as is -fwrapv.
3101 2006-06-08 Mike Stump <mrs@apple.com>
3104 * config/darwin.c (darwin_asm_output_anchor): Disable
3105 -fsection-anchors on darwin for now.
3106 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3107 * rs6000/rs6000.c (optimization_options): Likewise.
3109 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3112 * config/i386/i386.c (classify_argument): Skip fields with invalid
3115 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3117 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3118 (cse_insn): Likewise for the stack_pointer_rtx.
3120 2006-06-08 Roger Sayle <roger@eyesopen.com>
3122 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3123 conditions from floating point comparisons.
3125 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3128 * expmed.c (struct alg_hash_entry): Fix type of field T
3129 to match synth_mult argument.
3130 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3132 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3135 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3138 2006-06-08 Richard Guenther <rguenther@suse.de>
3141 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3142 only, if overflow is defined and not trapping.
3143 (negate_expr): Likewise.
3145 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3147 PR tree-optimization/27872
3148 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3149 flag on the new exit edge of the unrolled loop.
3151 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3153 PR rtl-optimization/26449
3154 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3156 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3159 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3160 referenced_variables with matching DECL_UID's.
3161 (find_referenced_vars): Make sure duplicate list is empty to start.
3162 (referenced_var_p): Remove.
3163 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3164 Check if var is in the list, and add if needed. Update the duplicate
3165 list if a different var is in the list with the same DECL_UID.
3166 (add_referenced_var): Call routine to check and insert.
3167 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3168 * tree-flow.h (referenced_vars_dup_list): External declaration.
3170 2006-06-07 Fred Fish <fnf@specifix.com>
3172 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3175 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3178 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3179 the imaginary and real parts of a clobbered register.
3180 Emit insn to set the imaginary part.
3182 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3184 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3185 in lieu of unwind-dw2-fde.c.
3187 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3189 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3191 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3194 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3195 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3196 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3197 V4SImode temporaries and operations instead.
3199 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3201 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3204 2006-06-06 Mike Stump <mrs@apple.com>
3206 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3207 installing during build.
3209 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3211 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3213 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3214 * config/ia64/ia64.c (params.h): New header.
3215 (ia64_optimization_options): New function to adjust parameters.
3216 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3217 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3218 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3220 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3222 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3224 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3227 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3229 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3230 Victor Kaplansky <victork@il.ibm.com>
3232 PR tree-optimization/26360
3233 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3236 2006-06-04 Roger Sayle <roger@eyesopen.com>
3237 Andrew Pinski <pinskia@physics.uc.edu>
3240 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3241 for LABEL_DECL before calling DECL_WEAK.
3244 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3245 LABEL_DECL and PARM_DECL.
3247 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3251 * c-decl.c (grokdeclarator): Disallow variably modified types at
3252 file scope. Avoid marking shared array type of constant size as
3255 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3258 * c-common.c (fold_offsetof_1): Handle static members.
3260 2006-06-04 Eric Christopher <echristo@apple.com>
3262 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3263 (debug_rli): Output value for remaining_in_alignment.
3264 (update_alignment_for_field): Unconditionalize
3265 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3266 extra alignment code.
3267 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3268 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3269 * tree.h (record_layout_info_s): Remove prev_packed.
3270 * doc/extend.texi (ms_struct): Add documentation of format.
3272 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3274 * tree.h: Declare folding_initializer.
3275 * builtins.c (fold_builtin_constant_p): Give definite answer
3276 if folding inside an initializer.
3277 * fold-const.c: Define folding_initializer.
3278 (START_FOLD_INIT): Save and then set folding_initializer.
3279 (END_FOLD_INIT): Restore folding_initializer.
3281 2006-06-04 Richard Guenther <rguenther@suse.de>
3283 PR tree-optimization/27039
3284 * fold-const.c (fold_comparison): Handle pointer comparison
3285 again for all comparison codes. Compare offsets in signed
3287 (fold_binary): Move code from here.
3289 2006-06-03 Roger Sayle <roger@eyesopen.com>
3292 * config/i386/i386.c (construct_container): Split static issued_error
3293 flag into issued_sse_arg_error, issued_sse_ret_error and
3294 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3295 requires the use of x87 registers and the user explicitly
3296 specified the -mno-80387 command line option.
3298 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3300 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3301 HAVE_DECL_SIGALTSTACK.
3303 (segv_handler): Use MC_FLD.
3304 * configure.ac: Check for a sigaltstack declaration.
3305 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3306 * configure: Regenerate.
3307 * config.in: Regenerate.
3309 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3312 * Makefile.in (stmp-fixinc): Fix typo.
3314 2006-06-02 Roger Sayle <roger@eyesopen.com>
3316 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3317 are type correct. Clean-up.
3318 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3319 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3321 2006-06-01 DJ Delorie <dj@redhat.com>
3323 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3324 shift, as we've disabled the "switch" insn that needs it.
3326 2006-06-01 Per Bothner <bothner@bothner.com>
3328 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3329 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3330 * c-ppoutput.c (cb_define): Don't increment line 0.
3332 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3334 * doc/invoke.texi: Add cpu_type power6.
3335 * config.gcc: Add cpu_type power6.
3336 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3337 to power5+ with Altivec.
3338 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3339 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3341 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3343 * config/avr/avr.h (SET_ASM_OP): Define.
3345 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3347 * config/bfin/bfin.c: Fix comment typos.
3349 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3352 * doc/install.texi: Document --enable-bootstrap and
3353 --disable-bootstrap.
3355 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3357 * doc/install.texi: Document that InfoZIP can replace jar.
3359 2006-05-31 Roger Sayle <roger@eyesopen.com>
3361 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3362 isn't available, directly generate the simpler x87 patterns without
3363 the (use (const_int 0)).
3364 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3365 implementation isn't available.
3366 (*negdf2_1): Likewise.
3367 (*negxf2_1): XF mode negation is always done using the x87.
3368 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3370 2006-05-31 Roger Sayle <roger@eyesopen.com>
3372 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3373 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3375 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3377 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3379 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3380 * config/bfin/bfin.c (basic-block.h): Include.
3381 (struct machine_function): New.
3382 (bfin_init_machine_status): New.
3383 (override_options): Initialize init_machine_status.
3384 (bfin_hardware_loop): New.
3385 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3386 (DEF_VEC_P (loop_info)): New.
3387 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3388 (struct loop_info): New.
3389 (loop_info): New typedef.
3390 (struct loop_work): New.
3391 (loop_work): New typedef.
3392 (DEF_VEC_O (loop_work)): New.
3393 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3394 (bfin_dump_loops): New.
3395 (bfin_bb_in_loop): New.
3396 (bfin_scan_loop): New.
3397 (bfin_optimize_loop): New.
3398 (bfin_reorg_loops): New.
3399 (bfin_reorg): Use bfin_reorg_loops.
3400 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3402 (I_REGNO_P): Simplify.
3403 (DP_REGNO_P, DPREG_P): New macros.
3404 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3405 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3406 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3407 Add LT_REGS, LC_REGS, LB_REGS.
3408 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3410 (REGNO_REG_CLASS): Deal with loop registers.
3411 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3413 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3414 New constants for loop registers.
3415 (UNSPEC_LSETUP_END): New.
3416 (seq_insns): New define_attr. Set it for appropriate insns.
3417 (movsi_insn): Add alternatives for move from/to
3418 loop count registers.
3419 (doloop_end): New define_expand.
3420 (loop_end): New define_insn.
3421 (define_split for bad doloop_end): New.
3422 (lsetup_with_autoinit): New define_insn.
3423 (lsetup_without_autoinit): New define_insn.
3424 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3425 * config/bfin/predicates.md (lc_register_operand): New.
3426 (lt_register_operand): New.
3427 (lb_register_operand): New.
3428 (nondp_register_operand): New.
3429 (nondp_reg_or_memory_operand): New.
3430 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3432 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3434 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3435 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3437 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3439 * Makefile.in (CATALOGS): Add po/ prefix.
3440 * configure: Regenerated.
3442 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3445 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3446 a shift operand before calling shift_op. Avoid redundant call of
3449 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3450 DJ Delorie <dj@redhat.com>
3452 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3453 we're inserting is a singlt-bit constant.
3455 2006-05-30 Roger Sayle <roger@eyesopen.com>
3457 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3458 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3460 2006-05-30 Roger Sayle <roger@eyesopen.com>
3462 PR tree-optimization/23452
3463 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3464 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3465 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3466 complex values and with -ffast-math for FP complex values.
3468 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3470 * c-common.h: Remove the prototype for yyparse.
3471 * rtl.h: Remove the prototype for init_loop.
3473 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3475 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3478 2006-05-30 Roger Sayle <roger@eyesopen.com>
3480 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3482 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3483 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3485 2006-05-30 Dirk Mueller <dmueller@suse.de>
3488 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3489 for CONSTANT_CLASS_P expresisons.
3491 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3494 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3496 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3498 PR tree-optimization/27779
3499 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3500 initial_condition instead of CHREC_LEFT.
3502 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3504 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3505 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3506 Make prototypes ISO C90.
3508 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3509 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3511 * see.c (see_analyze_one_def): Correct check.
3512 (see_get_extension_data): Check if extension is parallel.
3513 (see_get_extension_reg): Likewise.
3515 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3518 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3519 into register for (code == GTU).
3521 2006-05-29 Roger Sayle <roger@eyesopen.com>
3523 PR tree-optimization/24964
3524 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3525 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3526 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3527 abs(x)*abs(x) as x*x for scalar floating point modes.
3529 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3532 * lambda-code.c (perfect_nestify): Don't copy statements
3533 in the inner loop: move them to the inner loop header.
3535 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3538 * c-tree.texi: Document OpenMP directives and clauses.
3540 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3542 * varasm.c (globalize_decl): Fix indentation.
3544 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3547 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3548 pass_fre, pass_store_ccp, pass_copy_prop,
3549 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3550 pass_return_slot, pass_object_size, pass_lim,
3551 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3552 pass_loop_prefetch and pass_stdarg.
3554 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3556 * config/bfin/bfin.opt (mfdpic): New option.
3557 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3558 (EXTRA_MULTILIB_PARTS): Likewise.
3559 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3560 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3562 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3563 (CRT_CALL_STATIC_FUNCTION): New.
3564 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3566 (CRT_CALL_STATIC_FUNCTION): New.
3567 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3569 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3570 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3571 (initialize_trampoline): Changed to handle FD-PIC code generation.
3572 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3573 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3574 (override_options): Disallow -mid-shared-library -mfdpic combination.
3575 Can't do unaligned ops if FD-PIC.
3576 Turn off flag_pic if trying to generate non-id-shared-library
3577 non-fdpic code, since it's not supported.
3578 (bfin_assemble_integer): New function.
3579 (TARGET_ASM_INTEGER): Define.
3580 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3582 * config/bfin/crtn.s: Restore them.
3583 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3585 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3586 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3587 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3588 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3589 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3591 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3592 FDPIC_REGS and FDPIC_FPTR_REGS.
3593 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3594 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3595 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3596 (load_funcdescsi): New pattern.
3597 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3598 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3599 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3601 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3603 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3606 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3608 * tree-flow.h: Remove the prototype for add_type_alias.
3609 * tree-ssa-alias.c (add_type_alias): Remove.
3611 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3613 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3614 config/fr30/fr30.md, config/i386/i386-interix.h,
3615 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3616 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3617 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3618 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3619 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3620 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3621 Follow spelling conventions.
3622 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3623 Follow spelling conventions.
3625 2006-05-27 Richard Guenther <rguenther@suse.de>
3628 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3629 to produce a constant of value 1 of generic type.
3631 2006-05-27 Dirk Mueller <dmueller@suse.de>
3633 * cgraphunit.c (decide_is_function_needed): Fix wrong
3636 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3638 PR rtl-optimization/27661
3639 * reload.c (find_reloads): When reloading a VOIDmode constant
3640 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3641 use Pmode as mode of the reload register.
3643 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3645 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3646 is enabled at -O and above.
3648 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3651 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3654 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3657 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3658 for anonymous variables explicitly declared by front ends.
3660 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3662 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3663 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3664 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3665 ref-all pointers, run a finalization pass for them.
3666 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3667 (finalize_ref_all_pointers): New function.
3668 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3669 regular pointer type to a ref-all pointer type.
3670 (get_tmt_for): Return the special memory tag for ref-all pointers.
3672 2006-05-25 Richard Guenther <rguenther@suse.de>
3675 * fold-const.c (fold_binary): Do not look at the stripped
3676 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3678 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3680 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3681 for LT and GT if the computed range is effectively empty.
3683 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3686 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3687 mips_quad_format formats instead of ieee_single_format,
3688 ieee_double_format and ieee_quad_format formats, respectively.
3690 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3692 PR tree-optimization/27639
3693 PR tree-optimization/26719
3694 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3695 call to scev_probably_wraps_p.
3696 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3697 used_in_pointer_arithmetic_p, convert_step): Removed.
3698 (nowrap_type_p): New function.
3699 (scev_probably_wraps_p): Rewritten.
3700 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3701 chrec_convert if chrec_convert_aggressive might have been used.
3702 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3703 scev_direction): New functions.
3704 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3705 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3706 instead of convert_step.
3707 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3708 (convert_step): Declaration removed.
3709 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3711 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3713 * df-core.c: Added to header comments.
3714 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3715 df_ur_bb_info, df_urec_bb_info): Added comments.
3716 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3717 urec, ri problems): Fixed header comments.
3718 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3719 code from df_rd_transfer_function.
3721 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3723 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3724 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3725 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3727 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3729 * expr.c (undefined_operand_subword_p): New.
3730 (emit_move_multi_word): Do not generate move from undefined bits
3731 of a paradoxical subreg.
3733 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3735 PR rtl-optimization/27736
3736 * combine.c (replaced_rhs_value): New variable.
3737 (combine_instructions): Set it.
3738 (distribute_notes): When distributing a note in replaced_rhs_insn,
3739 check whether the value was used in replaced_rhs_value.
3741 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3744 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3745 add_referenced_var instead of add_referenced_tmp_var.
3746 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3747 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3749 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3750 tree_optimize_tail_calls_1): Use add_referenced_var.
3751 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3752 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3753 Use add_referenced_var.
3754 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3755 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3756 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3757 Use add_referenced_var.
3758 * tree-dfa.c (struct walk_state): Remove.
3759 (find_referenced_vars): Remove walk state and vars_found hash table.
3760 (make_rename_temp): Use add_referenced_var.
3761 (find_vars_r): Pass less parameters to add_referenced_var.
3762 (referenced_var_p): New. Is var in referenced_var hash table.
3763 (referenced_var_insert): Assert var isn't already in hash table.
3764 (add_referenced_var): Don't need walk_state parameter. Add var if it
3765 isn't already in the hash table.
3766 (add_referenced_tmp_var): Remove.
3767 (find_new_referenced_vars_1): Use add_referenced_var.
3768 * tree-ssa-pre.c (create_expression_by_pieces,
3769 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3770 Use add_referenced_var.
3771 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3772 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3773 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3775 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3776 vect_create_data_ref_ptr, vect_create_destination_var,
3777 vect_init_vector, vect_build_loop_niters,
3778 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3779 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3780 Use add_referenced_var.
3781 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3782 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3783 (add_referenced_var): Add prototype.
3784 * tree-ssa-structalias.c (get_constraint_for,
3785 intra_create_variable_infos): Use add_referenced_var.
3787 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3789 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3790 big-endian paradoxical subregs.
3791 * var-tracking.c (struct micro_operation_def): Document that,
3792 for modify micro operations, insn is the subsequent instruction.
3793 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3794 (var_reg_set, var_mem_set): ... new functions.
3795 (add_stores): Record subsequent insn.
3796 (compute_bb_dataflow): Use new functions for MO_USE.
3797 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3798 notes after the insn, and modify notes before the insn known
3799 to be the subsequent one.
3800 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3802 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3805 * config/i386/i386.c (ix86_expand_builtin): Use
3806 gen_sse3_monitor64 for TARGET_64BIT.
3808 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3810 PR rtl-optimization/26375
3811 PR rtl-optimization/26855
3812 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3814 (df_ru_bb_local_compute): Reversed statements and removed bogus
3815 comment explaining why they should be in wrong order.
3816 (df_ru_dump, df_rd_dump): Enhanced debug info.
3817 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3819 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3820 reaching uses and fixed space problem.
3822 2006-05-23 Jan Hubicka <jh@suse.cz>
3824 * cgraphunit.c (decide_is_function_needed): Also nested functions
3825 and functions declared inline can be optimized out at -O0.
3827 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3829 * doc/install.texi (Configuration): Remove reference to CrossGCC
3833 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3836 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3837 ix86_compare_emitted is non-NULL.
3839 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3842 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3845 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3847 PR rtl-optimization/25514
3848 * combine.c (replaced_rhs_insn): New variable.
3849 (combine_instructions): Set replaced_rhs_insn when trying to replace
3850 a SET_SRC with a REG_EQUAL note.
3851 (distribute_notes): Use replaced_rhs_insn when determining the live
3852 range of a REG_DEAD register.
3854 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3855 Anatoly Sokolov <aesok@post.ru>
3857 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3858 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3859 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3860 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3861 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3862 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3863 at90usb647, at90usb1286 and at90usb1287 devices.
3864 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3865 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3867 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3869 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3871 2006-05-22 Richard Guenther <rguenther@suse.de>
3874 2006-01-31 Richard Guenther <rguenther@suse.de>
3875 Paolo Bonzini <bonzini@gnu.org>
3877 * doc/install.texi (--disable-libgcc-math): Document.
3879 2006-05-22 Richard Guenther <rguenther@suse.de>
3882 2006-01-31 Richard Guenther <rguenther@suse.de>
3884 * doc/invoke.texi (-msselibm): Document.
3885 * target.h (expand_library_builtin): New target hook.
3886 * builtins.c (expand_builtin): Use expand_library_builtin.
3887 (default_expand_library_builtin): New function.
3888 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3889 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3890 (link_gcc_math_spec): Declare.
3891 (static_specs): Add link_gcc_math_spec.
3892 * expr.h (default_expand_library_builtin): Declare.
3893 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3894 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3895 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3896 * config/i386/i386.opt (msselibm): New target option.
3897 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3898 (ix86_init_sse_abi_builtins): New function.
3899 (ix86_expand_library_builtin): Likewise.
3900 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3901 (override_options): Handle error conditions wrt -msselibm.
3902 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3903 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3904 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3907 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3910 * c-common.c (self_promoting_args_p): Skip erroneous args.
3913 * c-decl.c (finish_struct): Skip erroneous fields.
3915 2006-05-22 Nick Clifton <nickc@redhat.com>
3917 * config/cris/cris.opt (march): Remove VarExists attribute.
3918 (max-stackframe=): Likewise.
3920 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3922 * doc/rtl.texi: Fix a typo.
3923 * see.c: Fix comment typos.
3925 * tree-ssa-structalias.h (alias_info): Remove num_references.
3927 2006-05-21 Mike Stump <mrs@apple.com>
3929 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3931 (darwin_pragma_options): Use BAD instead.
3932 (darwin_pragma_unused): Likewise.
3933 (darwin_pragma_ms_struct): Likewise.
3935 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3937 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3939 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3941 PR rtl-optimization/27671
3942 * simplify-rtx.c (simplify_relational_operation_1): Fix
3943 simplifications of (eq/ne (xor x y) y) and
3944 (eq/ne (xor x y) x).
3946 PR tree-optimization/26622.
3947 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3950 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3952 * tree-cfg.c: Prune whitespace.
3953 (debug_tree_cfg): Point to correct header containing the
3956 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3959 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3961 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3964 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3965 or sorry count is non zero.
3967 2006-05-20 Andreas Schwab <schwab@suse.de>
3969 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3971 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3972 Kenneth Zadeck <zadeck@naturalbridge.com>
3974 PR rtl-optimization/26855
3976 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3978 (df_scan_alloc): Added code to properly handle multiword hard
3979 registers and add all_blocks parameter.
3980 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3981 code to properly handle multiword hard registers.
3982 (df_rescan_blocks): Added code to remove deleted blocks from
3984 (df_ref_create_structure, df_ref_record): Added code to properly
3986 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3987 and set DF_REF_PARTIAL.
3988 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3989 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3990 (df_scan_add_problem): Added flags parameter.
3991 (df_ref_create_structure): Changed switching structure.
3992 (df_bb_refs_record): Fixed case where duplicate artificial refs
3993 were created. Changed location of flags.
3994 (df_record_entry_block_defs): Added code to make stack pointer
3995 live in entry block. Refined cases where frame pointer is needed.
3996 Changed location of flags.
3997 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3998 (df_set_state): Removed function.
3999 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4000 df_insn_create_insn_record, df_insn_refs_delete,
4001 df_ref_create_structure): Formatting changes.
4002 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4003 df_delete_basic_block): New function.
4004 (df_init): Changed location of flags.
4005 (df_add_problem): Added flags parameter and the way flags are
4007 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4008 debug_df_chain): Improved debugging output.
4009 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4010 (df_refs_chain_dump): Removed df parameter.
4011 (df_iterative_dataflow): Added consistency check.
4012 (df_prune_to_subcfg): Made public.
4013 (df_analyze_problem): Added blocks_to_init parameter and made
4015 (df_ref_record, df_bb_refs_record, df_mark_reg,
4016 df_record_exit_block_uses): Whitespace changes.
4017 (df_dump): Whitespace changes.
4018 * df.h: Some reordering to remove forward references.
4019 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4020 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4021 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4022 (dataflow.flags): New field.
4023 (df.flag): Deleted field.
4024 (df_alloc_function): Added additional bitmap parameter.
4025 (df_dependent_problem_function): New type.
4026 (df_problem.changeable_flags): New field.
4027 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4028 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4029 (df_mw_hardreg): New struct.
4030 (DF_INSN_UID_MWS): New macro.
4031 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4033 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4034 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4035 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4036 (df_set_state): Removed function.
4037 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4038 * df-problems.c (df_chain_dump): Removed df parameter.
4039 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4040 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4042 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4043 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4044 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4045 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4046 DF_REF_MUST_CLOBBER cases.
4047 (df_ru_bb_local_compute_process_def,
4048 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4049 df_lr_bb_local_compute, df_ur_bb_local_compute,
4050 df_chain_create_bb): Made subreg aware.
4051 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4052 df_lr_bb_local_compute, df_lr_bb_local_compute,
4053 df_chain_create_bb): Cleanup to use proper macros.
4054 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4055 code to fixup bitvectors.
4056 (df_ri_alloc): Cleared lifetime.
4057 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4058 df_create_unused_note): New function.
4059 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4060 REG_DEAD and REG_UNUSED notes as well as register information.
4061 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4062 df_chains_dump): Fixed crash if problem was never run.
4063 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4064 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4065 df_ri_add_problem): Processes flags in uniform manner.
4066 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4067 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4068 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4069 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4070 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4071 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4072 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4073 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4074 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4075 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4076 * see.c (see_initialize_data): Ditto.
4077 * final.c (rest_of_clean_state) Added regstack_completed.
4078 * rtl.h (regstack_completed): Ditto.
4079 * reg-stack.c (regstack_completed): Ditto.
4081 2006-05-19 Mike Stump <mrs@apple.com>
4083 * c-tree.h (default_conversion): Remove.
4084 * c-common.h (default_conversion): Add.
4086 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4088 * tree-vrp.c (valid_value_p): New function.
4089 (adjust_range_with_scev): Fail if the value of bound is not
4092 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4094 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4095 (mips_fallback_frame_state): Use syscall numbers to determine
4096 the appropriate li instruction for the current ABI. Only use
4097 __NR_sigreturn for o32.
4099 2006-05-19 Nicolas Setton <setton@adacore.com>
4101 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4102 * langhooks.c (lhd_dwarf_name): New function.
4103 * langhooks-def.h (lhd_dwarf_name): Declare.
4104 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4105 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4106 * ada/misc.c (gnat_dwarf_name): New function.
4107 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4109 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4111 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4113 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4114 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4115 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4116 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4117 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4118 determine the size of Wtype, etc.
4119 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4120 (swfloatfuncs): New variable.
4121 (dwfloatfuncs): Likewise.
4122 (lib2funcs): Remove floating-point conversion functions from
4123 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4124 the set of conversion routines needed. Allow entries to specify
4125 an object name, filename and word size. Update users accordingly.
4126 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4127 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4131 2006-02-08 Roger Sayle <roger@eyesopen.com>
4134 * config/fixtfdi.c: New libgcc source file.
4135 * config/fixunstfdi.c: New source file.
4136 * config/floatditf.c: New source file.
4137 * config/floatunditf.c: New souce file.
4138 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4139 files above instead of config/mips/_tilib.c.
4140 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4142 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4144 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4145 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4147 2006-05-18 Mike Stump <mrs@apple.com>
4149 Fix up vla, vm and [*] sematics.
4155 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4156 (c_vla_unspec_p): Add.
4157 (c_vla_type_p): Add.
4158 * c-decl.c (struct c_scope): Add had_vla_unspec.
4159 (build_array_declarator): Add support for [*].
4160 (grokdeclarator): Likewise.
4161 (grokparms): Likewise.
4162 (get_parm_info): Likewise.
4163 * c-objc-common.c (c_vla_unspec_p): Likewise.
4164 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4165 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4166 typeof when argument is a variably modified type not inside sizeof or alignof.
4167 (c_parser_direct_declarator_inner): Propagate errors.
4168 (c_parser_sizeof_expression): Add support for [*].
4169 (c_parser_parms_declarator): Initialize had_vla_unspec.
4170 (c_parser_parms_list_declarator): Likewise.
4171 * c-typeck.c (c_vla_type_p): Add.
4172 (composite_type): Add support for vla compositing.
4173 (comptypes_internal): Add support for vla compatibility.
4174 (c_expr_sizeof_expr): Evaluate vla arguments.
4175 * tree.c (variably_modified_type_p): Update comment for [*].
4177 2006-05-18 Michael Matz <matz@suse.de>
4180 * config.host: Make assignments to host_xmake_file cumulative.
4181 * config.host (*-darwin*): Test $host, not $target.
4183 2006-05-12 Stuart Hastings <stuart@apple.com>
4185 * config/i386/i386.opt (-mstackrealign): New flag.
4186 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4187 (ix86_handle_cconv_attribute): Emit error when
4188 force_align_arg_pointer attribute collides with too many regparms.
4189 (ix86_function_regparm): Limit regparms when used with
4190 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4191 Support stack-realigning prologue in non-main functions. Emit
4192 warning for nested functions under -mstackrealign, emit error for
4193 nested functions with force_align_arg_pointer attribute.
4194 * doc/extend.texi (force_align_arg_pointer): Document it.
4195 * doc/invoke.texi (-mstackrealign): Document it.
4197 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4199 PR rtl-optimization/27477
4200 * combine.c (try_combine): Don't split a parallel consisting
4201 of two sets into two individual sets if both sets reference
4204 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4206 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4207 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4209 * doc/options.texi (VarExists): Updated.
4211 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4213 * unwind-dw2.c: Add declarations for uw_update_context and
4215 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4216 detected, advance frame state and context once to skip over stub.
4218 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4222 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4223 Call rewrite_into_loop_closed_ssa only when something changed.
4224 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4225 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4226 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4227 Test for perfect_nest_p here. Fix formating.
4228 (replace_uses_equiv_to_x_with_y): Fix formating.
4229 (stmt_uses_op): Removed.
4230 (can_convert_to_perfect_nest): Removed loopivs parameter.
4231 Complete the test by checking the scalar dependences.
4232 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4235 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4238 From Dan Kegel <dank@kegel.com>:
4239 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4241 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4243 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4244 if the element type is variably modified without recursing.
4246 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4249 * tree-loop-linear.c (try_interchange_loops): Test for
4250 no data dependences.
4252 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4254 PR tree-optimization/27548
4255 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4256 range of ssa names that appear on abnormal edges.
4257 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4258 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4260 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4263 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4265 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4268 * tree.h (OMP_PARALLEL_COMBINED): Define.
4269 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4270 (new_omp_context): Add is_combined_parallel argument.
4271 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4272 new_omp_context caller.
4273 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4274 Adjust gimplify_scan_omp_clauses callers.
4275 (omp_is_private): Issue errors if iteration variable is firstprivate
4276 or reduction in the current context.
4277 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4278 on combined parallel workshare constructs.
4280 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4282 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4283 (gcc-options.o): New rule.
4285 * optc-gen.awk: Protect variables for gcc-options.o with
4286 #ifdef GCC_DRIVER/#endif.
4288 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4290 Fix PR tree-optimization/27373
4291 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4292 (forward_propagate_addr_expr): Update call.
4294 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4296 * doc/options.texi: Move the Negative option.
4298 2006-05-16 Richard Guenther <rguenther@suse.de>
4300 PR tree-optimization/22303
4301 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4303 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4304 ccp_fold did not simplify the statement.
4306 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4309 * Makefile.in (GCC_OBJS): New.
4310 (OBJS-common): Add opts-common.o.
4311 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4312 (cpp$(exeext)): Likewise.
4313 (gcc.o): Also depend on opts.h.
4314 (opts-common.o): New.
4316 * common.opt (gcoff): Add Negative(gdwarf-2).
4317 (gdwarf-2): Add Negative(gstabs).
4318 (gstabs): Add Negative(gstabs+).
4319 (gstabs+): Add Negative(gvms).
4320 (gvms): Add Negative(gxcoff).
4321 (gxcoff): Add Negative(gxcoff+).
4322 (gxcoff+): Add Negative(gcoff).
4323 * config/i386/i386.opt (m32): Add Negative(m64).
4324 (m64): Add Negative(m32).
4326 * doc/options.texi: Document the Negative option.
4328 * gcc.c: Include "opts.h".
4329 (main): Call prune_options after expandargv.
4331 * optc-gen.awk: Generate common declarations for all flag
4332 variables in options.c. Output the neg_index field.
4334 * opts.c (find_opt): Moved to ...
4335 * opts-common.c: Here. New file.
4337 * opts.h (cl_option): Add a neg_index field.
4339 (prune_options): Likewise.
4341 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4344 * omp-low.c (expand_omp_parallel): Don't assert
4345 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4346 instead search for it.
4349 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4352 2006-05-16 Andreas Schwab <schwab@suse.de>
4354 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4357 2006-05-15 Roger Sayle <roger@eyesopen.com>
4360 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4361 integer constants other than zero are only legitimate on TARGET_64BIT.
4362 <CONST_VECTOR> Only zero vectors are legitimate.
4363 (ix86_cannot_force_const_mem): Integral and vector constants can
4364 always be put in the constant pool.
4366 2006-05-16 DJ Delorie <dj@redhat.com>
4368 * crtstuff.c (__dso_handle): Set section from
4369 TARGET_LBIGCC_SDATA_SECTION if defined.
4370 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4371 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4373 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4376 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4379 2006-05-16 Ben Elliston <bje@au.ibm.com>
4381 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4383 2006-05-15 Per Bothner <per@bothner.com>
4385 * tree.c: (last_annotated_node): Use source_locus typedef.
4386 This permits bootstrapping with --enable-mapped-location.
4388 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4390 PR tree-optimization/26830
4391 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4392 (info_for_ssa_name, current_info_for_ssa_name_age,
4393 blocks_to_update): New variables.
4394 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4395 (clear_ssa_name_info, initialize_flags_in_bb,
4396 mark_block_for_update): New functions.
4397 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4398 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4399 prepare_def_site_for): Use mark_block_for_update.
4400 (mark_def_interesting): Assert that the processed block is marked in
4401 blocks_to_update. Do not take blocks argument.
4402 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4404 (rewrite_update_init_block, rewrite_update_stmt): Only process
4405 blocks with statements to rewrite.
4406 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4407 (update_ssa): Initialize and free blocks_to_update. Do not
4408 clear flags on statements. Do not use blocks bitmap.
4409 * tree.h (SSA_NAME_AUX): Removed.
4410 (struct tree_ssa_name): Removed aux field.
4411 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4413 2006-05-15 Richard Guenther <rguenther@suse.de>
4415 PR tree-optimization/27603
4416 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4417 Do computations in original type.
4419 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4421 * see.c: Code style changes such as redundant paranthesis,
4422 redundant intialization of local variables etc.
4423 (see_main): Declared now as static.
4424 * doc/invoke.texi: Update that -fsee is not enabled by
4427 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4429 * omp-low.c (check_omp_nesting_restrictions): New function.
4430 (scan_omp_1): Call it.
4433 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4434 construct, return *VAR.
4436 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4438 PR rtl-optimization/27406
4439 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4442 2006-05-14 Roger Sayle <roger@eyesopen.com>
4444 PR rtl-optimization/27538
4445 * combine.c (expand_compound_operation): Call gen_lowpart
4446 before calling simplify_shift_const.
4448 2006-05-14 Roger Sayle <roger@eyesopen.com>
4450 PR rtl-optimization/22563
4451 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4452 a fixed width bitfield, always force the intermediates into psuedos.
4454 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4457 * mkconfig.sh: Use operator = instead of == for test.
4459 2006-05-13 Nick Clifton <nickc@redhat.com>
4461 * dwarf2out.c (dbx_reg_number): Check return value from
4462 LEAF_REG_REMAP and only use it if it is valid.
4463 (multiple_reg_loc_descriptor): Likewise.
4465 2006-05-13 Richard Guenther <rguenther@suse.de>
4467 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4470 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4472 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4473 information attached to non-INSNs such as NOTEs.
4474 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4476 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4478 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4480 * config/s390/s390.md: Adjust comment describing On constraint.
4482 2006-05-11 Jan Hubicka <jh@suse.cz>
4484 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4485 to be output at -O0.
4487 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4490 * fold-const.c (size_binop): Move sanity check for arguments to
4491 the beginning of the function.
4494 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4497 2006-05-11 Richard Guenther <rguenther@suse.de>
4500 * fold-const.c (fold_unary): Handle intermediate conversion
4501 to a pointer type like intermediate conversion to an integer
4502 type in folding of (T1)(T2)var to var.
4503 Match the code to the comment in the final conversion for
4504 (T1)(T2)var to (T1)var regarding to type precision. Rather
4505 than disallow T1 being of pointer type, assert that both T1
4506 and var are of pointer type or not. Make sure not to fall
4507 over the frontends lazyness wrt array to pointer decay though.
4509 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4511 * arm.c (arm_struct_value_rtx): Delete.
4512 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4513 (arm_init_cumulative_args): Always initialize nregs to zero.
4515 2006-05-10 Richard Guenther <rguenther@suse.de>
4517 PR tree-optimization/27532
4518 * tree-object-size.c (plus_expr_object_size): Fix typo.
4520 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4523 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4524 ashrdi_const, ashrdi3): Use a scratch register.
4526 2006-05-10 Richard Guenther <rguenther@suse.de>
4528 PR tree-optimization/27302
4529 * fold-const.c (operand_equal_p): For two comparisons,
4530 try comparison of one comparison code swapped if that yields
4533 2006-05-10 Ben Elliston <bje@au.ibm.com>
4535 * tree-pretty-print.c (pretty_print_string): No need to handle
4536 '\0' as a special character.
4538 * tree.h: Include "hashtab.h".
4539 (iterative_hash_expr): Use hashval_t in its prototype.
4540 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4542 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4545 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4546 (hppa*64*-*-hpux11*): Ditto.
4547 (hppa[12]*-*-hpux11*): Ditto.
4549 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4552 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4554 2006-05-09 Michael Matz <matz@suse.de>
4556 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4557 host_extra_gcc_objs and host_xmake_file.
4558 (<*-*-linux*>): Don't overwrite host_xmake_file.
4559 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4560 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4561 (host_detect_local_cpu): Declare.
4562 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4563 * config/i386/i386.c (override_options): Handle -mtune=native
4565 * config/i386/x-i386: New file.
4566 * config/i386/driver-i386.c: New file.
4567 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4570 2006-05-09 Dirk Mueller <dmueller@suse.de>
4571 Richard Guenther <rguenther@suse.de>
4574 * fold-const.c (fold_read_from_constant_string): Relax check
4575 for matching types to matching modes.
4577 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4579 PR rtl-optimization/27335
4580 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4583 2006-05-08 Chao-ying Fu <fu@mips.com>
4584 Richard Sandiford <richard@codesourcery.com>
4586 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4587 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4588 * config/mips/mips.md (UNSPEC_SCC): New constant.
4589 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4590 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4591 (mips_emit_compare): Use it.
4592 (mips_expand_vcondv2sf): New function.
4594 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4596 Fix PR tree-optimization/27093
4597 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4598 renaming when they become not-used_alone.
4600 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4602 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4603 relocation and relocation stubs.
4605 2006-05-08 Eric Christopher <echristo@apple.com>
4607 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4610 2006-05-08 Jan Hubicka <jh@suse.cz>
4613 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4614 unused static functions are needed.
4616 2006-05-08 Roger Sayle <roger@eyesopen.com>
4619 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4620 of a reg_equiv_constant if the result is a legitimate constant.
4622 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4625 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4626 standard 80387 constants, raise the cost to prevent
4627 compress_float_constant() to generate load from memory.
4629 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4631 * config/arm/constraints.md (c): Fix a typo.
4633 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4636 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4639 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4641 (_mm_mwait): Likewise.
4643 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4645 (sse3_monitor): Make it 32bit only.
4646 (sse3_monitor64): New. 64bit monitor.
4648 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4651 * config/i386/i386.c (classify_argument): Skip fields with invalid
4654 2006-05-07 Richard Guenther <rguenther@suse.de>
4656 PR tree-optimization/27409
4657 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4658 Do not try to find zero-sized subvars.
4660 2006-05-07 Richard Guenther <rguenther@suse.de>
4662 PR tree-optimization/27136
4663 * tree-ssa-loop-niter.c (get_val_for): Correct function
4664 comment, assert requirements.
4665 (loop_niter_by_eval): Stop processing if the iterated
4666 value did not simplify.
4668 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4670 * opts.c (flag_see): remove its setting at -O3.
4672 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4674 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4675 * arm/constraints.md: New file.
4676 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4677 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4678 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4679 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4680 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4681 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4682 * arm.md: Include constraints.md.
4683 (thumb_movsi_insn): Use satisfies_constraint_J.
4684 (movhi, movqi): Use satisfies_constraint_I.
4686 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4688 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4689 for atmeg a645 device.
4691 2006-05-06 Richard Guenther <rguenther@suse.de>
4693 PR tree-optimization/27151
4694 * tree-vect-transform.c (vectorizable_condition): Punt on
4695 values that have a different type than the condition.
4697 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4700 * c-parser.c (c_parser_cast_expression): Only insert casts into
4701 hash table if pointer.
4702 * function.c (used_types_insert_helper): Rename from
4704 (used_types_insert): Call used_types_insert_helper.
4705 * function.h (used_types_insert): Accept only one argument.
4707 2006-05-05 David Edelsohn <edesohn@gnu.org>
4709 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4710 scratch with output modifier.
4712 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4715 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4716 with output modifier.
4718 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4721 * config/mips/mips.c (mips_symbolic_address_p): Return true
4722 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4723 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4725 2006-05-04 Richard Guenther <rguenther@suse.de>
4727 PR tree-optimization/14287
4728 PR tree-optimization/14844
4729 PR tree-optimization/19792
4730 PR tree-optimization/21608
4731 PR tree-optimization/27090
4732 * tree-ssa-pre.c (try_combine_conversion): New function.
4733 (compute_avail): After constructing the value-handle
4734 expression, use try_combine_conversion to combine NOP_EXPRs
4735 with previous value-handle expressions and use the result if it
4738 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4740 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4742 2006-05-04 Jan Hubicka <jh@suse.cz>
4745 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4747 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4749 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4750 that this only matches CONST_INTs. All users changed to VOIDmode
4753 * config/bfin/bfin.c: Include "optabs.h".
4754 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4756 (enum bfin_builtins): Add a number of fractional and vector builtins.
4757 (bfin_init_builtins): Likewise.
4758 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4759 (safe_vector_operand, bfin_expand_binop_builtin,
4760 bfin_expand_unop_builtin): New functions.
4761 (bfin_expand_builtin): Handle the new builtins.
4762 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4765 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4768 * Makefile.in (OBJS-common): Add see.o.
4769 (see.o): Add dependencies.
4770 * common.opt (fsee): New flag for the see optimization was added.
4771 * opts.c (flag_see): Initialized.
4772 * passes.c (init_optimization_passes, pass_see): New pass.
4773 * rtl.h (see_main): Declaration as extern.
4774 * timevar.def (TV_SEE): New.
4775 * tree-pass.h (pass_see): Declaration as extern.
4776 * invoke.texi (-fsee): Document.
4777 * recog.c (validate_simplify_insn): New function.
4778 * recog.h (validate_simplify_insn): Declaration as extern.
4779 * df-problems.c (df_chain_dump): Check for NULL.
4781 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4782 Daniel Berlin <dberlin@dberlin.org>
4784 * cfgrtl.c (insert_insn_bb_end_new): New function.
4785 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4787 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4789 * df.h (struct web_entry): Moved from web.c.
4790 (union_defs): Declaration as extern.
4791 (unionfind_root): Likewise.
4792 (unionfind_union): Likewise.
4793 * web.c (struct web_entry): Moved to df.h.
4794 (unionfind_root): Remove static declaration.
4795 (unionfind_union): Likewise.
4796 (union_defs): Likewise and generalize to use callback function.
4797 (web_main): Update arguments for union_defs function call.
4799 2006-05-04 Richard Guenther <rguenther@suse.de>
4801 PR tree-optimization/26447
4802 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4803 produce SSA_NAME copies before the store stmt to avoid
4804 breaking exception handling.
4806 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4809 * gimplify.c (omp_is_private): If var is shared in some outer context,
4810 return false instead of true. Stop searching on parallel context
4813 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4816 * coverage.c: Use get_gcov_unsigned_t() instead of
4817 unsigned_type_node all over.
4819 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4821 PR tree-optimization/27381
4822 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4823 maintain the same immediate_use links.
4824 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4825 node rather than segfaulting.
4827 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4830 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4831 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4832 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4834 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4836 Fix PR tree-optimization/26626
4837 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4839 * tree-ssa-operands.c (access_can_touch_variable): Allow
4840 typecasting through union pointers.
4842 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4845 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4846 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4847 to find if var will be a global variable even in the nested context.
4848 (omp_copy_decl): Only check for global variable at the end, it might
4849 be overridden in outer contexts.
4850 (scan_sharing_clauses): For global variables don't create a field.
4851 (lower_rec_input_clauses): Do nothing for global shared variables.
4852 Emit a barrier at the end of ILIST if there were any decls in both
4853 firstprivate and lastprivate clauses.
4854 (lower_send_clauses): Do nothing for global variables except for
4857 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4859 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4860 of the correct signedness is returned.
4862 2006-05-02 Jeff Law <law@redhat.com>
4864 PR tree-optimization/27364
4865 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4866 multiply expressions.
4868 2006-05-02 Tom Tromey <tromey@redhat.com>
4870 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4872 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4875 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4876 -mthumb -fPIC are used.
4878 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4879 Joshua Kinard <kumba@gentoo.org>
4882 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4883 with 64-bit pointers.
4885 2006-05-02 Paul Brook <paul@codesourcery.com>
4887 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4889 (create_fix_barrier): Check that a suitable barrier location is
4891 (arm_reorg): Include ftmp->address in allowable range of addresses.
4893 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4896 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4899 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4902 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4903 around RESULT_DECL for result passed by reference.
4904 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4905 * omp-low.c (use_pointer_for_field): Don't look at
4906 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4907 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4908 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4909 time or var for passing by reference for
4910 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4911 TREE_ADDRESSABLE variables when passing by reference.
4913 * omp-low.c (dump_omp_region): Fix output formatting.
4916 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4917 (expand_omp_parallel): Likewise.
4918 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4921 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4922 on statement list containing also constructors and destructors.
4923 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4926 * except.c (duplicate_eh_regions): Fix clearing of
4927 cfun->eh->region_array entries.
4929 2006-05-01 DJ Delorie <dj@redhat.com>
4931 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4933 (gcc_cv_objdump): Likewise.
4934 * configure: Regenerated.
4936 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4939 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4940 templates for case 3 and 4.
4942 2006-05-01 DJ Delorie <dj@redhat.com>
4944 * vec.c: Include bconfig.h when appropriate.
4945 * Makefile.in (build/vec.o): Adjust dependencies.
4946 * mkconfig.sh: Make sure config.h isn't used for build machine
4949 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4951 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4953 (mark_phi_for_rewrite): New function.
4954 (insert_phi_nodes_for, mark_use_interesting): Call
4955 mark_phi_for_rewrite.
4956 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4957 (update_ssa): Initialize and free phis_to_rewrite.
4959 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4961 PR rtl-optimization/27291
4962 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4963 folded to a constant.
4965 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4967 PR tree-optimization/27283
4968 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4969 not whole # of iteration descriptions.
4970 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4971 uses abnormal ssa name.
4972 (niter_for_single_dom_exit): Ditto.
4973 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4974 return just the number of iterations.
4976 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4978 PR tree-optimization/27144
4979 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4980 (record_estimate): Only record constant upper bound.
4981 (infer_loop_bounds_from_undefined): Call
4982 compute_estimated_nb_iterations just once.
4983 (proved_non_wrapping_p): Renamed to ...
4984 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4985 (convert_step_widening, scev_probably_wraps_p): Call
4986 n_of_executions_at_most instead of proved_non_wrapping_p.
4987 (substitute_in_loop_info): Do not replace values in bounds.
4988 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4991 2006-05-01 Richard Henderson <rth@redhat.com>
4994 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4995 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4998 2006-05-01 Roger Sayle <roger@eyesopen.com>
5000 * c-typeck.c (parser_build_binary_op): Don't call the function
5001 unsigned_conversion_warning to spot operand/result type overflow.
5002 (build_binary_op): Instead, call convert_and_check instead of
5003 convert to report the problem when the operands are promoted.
5004 * c-common.c (unsigned_conversion_warning): Make static.
5005 * c-common.h (unsigned_conversion_warning): Delete prototype.
5007 2006-05-01 Richard Guenther <rguenther@suse.de>
5009 PR tree-optimization/26726
5010 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5012 (find_interesting_uses_address): ... we work around here
5013 by folding INDIRECT_REFs in the substituted base.
5015 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5017 * omp-low.c (dump_omp_region): Add newlines.
5019 2006-04-30 Roger Sayle <roger@eyesopen.com>
5021 * common.opt (Woverflow): New command line option.
5022 * c-common.c (constant_expression_warning): Check warn_overflow.
5023 (overflow_waring): Pass OPT_Woverflow to warning.
5024 (unsigned_conversion_warning): Likewise.
5025 (convert_and_check): Likewise.
5026 * doc/invoke.texi: Document new command line option.
5028 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5030 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5031 TARGET_NO_FP_IN_TOC for section anchors.
5032 (optimization_options): Enable section anchors for all
5033 non-"Objective" languages.
5035 2006-04-28 Eric Christopher <echristo@apple.com>
5037 * config/darwin-c.c (darwin_ms_struct): Move this
5038 (darwin_set_default_type_attributes): and this...
5039 * config/darwin.c: ... here.
5040 * config/darwin.h (darwin_ms_struct): Declare.
5042 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5044 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5046 2006-04-28 Roger Sayle <roger@eyesopen.com>
5049 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5050 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5051 an unsigned HOST_WIDE_INT.
5052 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5054 (really_start_incremental_init): No need to call convert because
5055 bitsize_zero_node is already of type bitsizetype.
5056 (push_init_level): Extract the value of constructor_index as an
5057 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5058 (process_init_element): Likewise.
5060 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5062 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5063 value before passing to make_relative_prefix.
5065 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5068 * builtins.c (expand_builtin_memset): Expand val in original mode.
5070 2006-04-27 Eric Christopher <echristo@apple.com>
5072 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5073 with #ifndef/#endif.
5074 * config/darwin-c.c (darwin_ms_struct): New.
5075 (darwin_pragma_ms_struct): Ditto.
5076 (darwin_set_default_type_attributes): Ditto.
5077 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5078 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5079 Register ms_struct pragma.
5080 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5081 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5082 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5083 darwin_set_default_type_attributes if TARGET_MACHO.
5085 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5087 PR tree-optimization/26854
5088 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5089 * doc/tree-ssa.texi: Update immuse iterator documentation.
5090 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5091 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5092 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5093 first_safe_imm_use, next_safe_imm_use): Remove.
5094 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5095 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5096 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5097 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5098 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5099 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5100 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5101 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5102 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5103 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5104 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5105 (perfect_nestify): Use new iterator.
5106 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5108 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5109 (next_imm_name): New field in struct immediate_use_iterator_d.
5110 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5111 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5112 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5113 * tree-cfg.c (replace_uses_by): Use new iterator.
5114 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5115 * tree-ssa-operands.c (correct_use_link): Remove.
5116 (finalize_ssa_use_ops): No longer call correct_use_link.
5118 2006-04-27 Stuart Hastings <stuart@apple.com>
5120 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5121 * config/t-darwin (crt3.o): Use it.
5122 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5123 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5124 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5125 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5126 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5129 2006-04-27 Roger Sayle <roger@eyesopen.com>
5131 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5132 size, force the intermediate into a new pseudo rather instead of
5133 performing both a bitwise AND and a bitwise IOR in memory.
5135 2006-04-27 Richard Guenther <rguenther@suse.de>
5137 PR rtl-optimization/26685
5138 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5139 this one "max-flow-memory-locations".
5141 2006-04-27 Richard Guenther <rguenther@suse.de>
5143 PR tree-optimization/25148
5144 * tree-vrp.c (compare_values): Remove code dealing with
5145 comparisons against type min/max value. Honour overflow
5146 and negative constants in code dealing with comparisons
5147 of plus and minus expressions.
5148 (value_inside_range): Use fold_binary with LE_EXPR and
5149 GE_EXPR rather than compare_values.
5151 2006-04-27 Dirk Mueller <dmueller@suse.de>
5153 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5156 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5158 * basic-block.h (safe_insert_insn_on_edge): Removed.
5159 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5161 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5162 Paolo Bonzini <bonzini@gnu.org>
5165 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5166 (simplify_and_const_int): Same.
5168 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5170 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5172 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5175 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5176 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5177 cgraph_global_info_ready.
5180 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5183 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5184 either decl or init is error_mark_node.
5187 * tree-flow.h (struct omp_region): Add sched_kind.
5188 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5189 instead of extracting omp for data.
5190 (expand_omp_for): Save extracted sched_kind.
5192 2006-04-25 Roger Sayle <roger@eyesopen.com>
5194 * expmed.c (store_bit_field): Also check whether the bitsize is
5195 valid for the machine's "insv" instruction before moving the
5196 target into a pseudo for use with the insv.
5197 * config/i386/predicates.md (const8_operand): New predicate.
5198 * config/i386/i386.md (extv, extzv, insv): Use the new
5199 const8_operand predicate where appropriate.
5201 2006-04-25 DJ Delorie <dj@redhat.com>
5203 * doc/install.texi (Specific): Clarify that this is not a list of
5204 supported hosts or targets.
5206 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5208 PR rtl-optimization/26725
5209 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5210 block's BB_DIRTY flag.
5212 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5214 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5217 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5218 to print an integer.
5220 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5222 * varasm.c (align_variable): New function.
5223 (get_block_for_decl): Apply align_variable to DECL before
5224 calculating section information.
5225 (assemble_variable): Split out alignment computation.
5227 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5229 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5232 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5234 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5235 MODE_PARTIAL_INT mode.
5236 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5237 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5239 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5240 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5242 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5244 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5246 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5247 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5248 MACFLAG_IH): Likewise.
5249 (movstricthi_1): Renamed from "*movstricthi".
5250 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5251 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5252 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5253 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5254 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5255 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5256 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5257 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5258 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5259 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5260 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5261 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5262 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5263 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5264 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5266 * doc/rtl.texi (ss_ashift): Improve wording.
5268 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5270 * dwarf2out.c (verify_marks_clear): New.
5271 (prune_unused_types): Call verify_marks_clear initially, not
5274 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5276 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5277 * doc/rtl.texi: Document them.
5278 * simplify-rtx.c (simplify_unary_operation,
5279 simplify_binary_operation_1): Don't abort when we see them.
5281 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5284 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5285 * configure.ac: Completely disregard languages that are not
5287 * configure: Regenerated.
5289 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5290 Richard Guenther <rguenther@suse.de>
5292 PR tree-optimization/27236
5293 * tree-inline.c (copy_body_r): Make sure to copy
5294 TREE_THIS_VOLATILE flag.
5296 2006-04-24 Richard Guenther <rguenther@suse.de>
5299 * tree-complex.c (update_parameter_components): Don't handle
5300 unused parameters which have no default def.
5302 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5303 Richard Guenther <rguenther@suse.de>
5305 PR tree-optimization/27218
5306 * tree-inline.c (expand_call_inline): Strip useless type
5307 conversions for the return slot address.
5309 2006-04-24 Richard Guenther <rguenther@suse.de>
5311 * cfgloop.h (struct loops): Remove unused field array. Reorder
5313 (LOOP_PREFETCH): Remove.
5315 2006-04-24 Richard Guenther <rguenther@suse.de>
5317 PR tree-optimization/22525
5318 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5319 variable, adjust types of generated expressions.
5321 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5323 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5324 (tree-vect-patterns.o): Likewise.
5326 (cselib.o): Likewise.
5327 (loop-doloop.o): Likewise.
5328 (regclass.o): Likewise.
5329 (reload1.o): Likewise.
5330 (explow.o): Replace target.h with $(TARGET_H).
5331 (ipa-prop.o): Likewise.
5332 (ipa-cp.o): Likewise.
5333 (ipa-inline.o): Likewise.
5334 (reorg.o): Likewise.
5335 (reg-stack.o): Likewise.
5337 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5339 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5341 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5343 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5345 * configure.ac: Completely disregard languages that are not
5347 * configure: Regenerated.
5350 * c-common.h (c_build_bitfield_integer_type): Declare.
5351 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5352 * c-common.c (c_build_bitfield_integer_type): ... here.
5354 2006-04-23 Roger Sayle <roger@eyesopen.com>
5357 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5358 a SImode SUBREG of a floating point register after no_new_pseudos.
5360 2006-04-23 Roger Sayle <roger@eyesopen.com>
5362 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5363 identify potentially eliminable registers to additionally catch
5364 VIRTUAL_INCOMING_ARGS_REGNUM.
5365 (addsi3): Update the conditions on when to use addsi_small_int.
5367 2006-04-23 Roger Sayle <roger@eyesopen.com>
5370 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5371 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5372 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5374 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5376 * fold-const.c (range_predecessor): Use operand_equal_p
5377 as the predicate for equality.
5378 (range_successor): Likewise.
5380 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5383 * config/soft-fp/op-common.h: Fix a typo.
5385 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5388 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5389 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5391 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5393 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5395 * doc/tm.texi: Fix a typo.
5397 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5399 * dwarf2out.c (struct die_struct): Document that die_sib makes
5400 a circular linked list.
5401 (FOR_EACH_CHILD): New.
5402 (reverse_die_lists): Delete.
5403 (reverse_all_dies): Delete.
5404 (add_dwarf_attr): Correct documentation.
5405 (remove_child_with_prev): New.
5406 (remove_child_TAG): Update for change to die_struct, use
5407 remove_child_with_prev.
5408 (add_child_die): Update for change to die_struct.
5409 (splice_child_die): Use remove_child_with_prev and add_child_die.
5410 (print_die): Use FOR_EACH_CHILD.
5411 (die_checksum): Likewise.
5412 (assign_symbol_names): Likewise.
5413 (output_location_lists): Likewise.
5414 (build_abbrev_table): Likewise.
5415 (calc_die_sizes): Likewise.
5416 (mark_dies): Likewise.
5417 (unmark_dies): Likewise.
5418 (unmark_all_dies): Likewise.
5419 (output_die): Likewise.
5420 (prune_unused_types_mark): Likewise.
5421 (prune_unused_types_walk): Likewise.
5422 (same_die_p): Update for change to die_struct.
5423 (break_out_includes): Likewise.
5424 (prune_unused_types_prune): Likewise.
5425 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5426 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5428 (dwarf2out_finish): Don't call reverse_all_dies.
5430 2006-04-21 Eric Christopher <echristo@apple.com>
5432 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5433 in comments and function names.
5435 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5438 * c-typeck.c (digest_init): Robustify.
5440 * c-typeck.c (pop_init_level): Simplify.
5442 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5444 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5446 2006-04-21 Paul Brook <paul@codesourcery.com>
5448 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5449 hardware floating point.
5451 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5453 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5456 2006-04-21 Nick Clifton <nickc@redhat.com>
5458 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5461 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5464 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5465 C++ lang type in traceback table for Objective-C++.
5467 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5469 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5471 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5473 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5476 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5477 were errors. Remove check for erroneous objects.
5479 2006-04-20 Jeff Law <law@redhat.com>
5481 PR tree-optimization/26854
5482 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5483 checking for zero or one use.
5484 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5485 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5486 * tree-ssa-reassoc.c (negate_value): Similarly.
5487 (reassociate_bb): Similarly.
5489 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5491 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5492 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5493 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5495 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5497 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5498 fp regs if the last fp arg doesn't fit in regs.
5500 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5503 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5504 that the last insn has the REG_INC note.
5506 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5507 Nathan Sidwell <nathan@codesourcery.com>
5510 * stor-layout.c (update_alignment_for_field): Do not align
5512 (place_union_field): Place union field at the start of the union.
5513 (place_field): Move ERROR_MARK check later, and use the current
5514 allocation position to maintain monotonicity.
5516 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5518 * dominance.c: Include timevar.h.
5519 (calculate_dominance_info): Use TV_DOMINANCE.
5520 * timevar.def (TV_DOMINANCE): New timevar.
5521 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5523 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5525 PR rtl-optimization/14261
5526 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5527 move would be an INSV insn.
5528 (noce_process_if_block): Don't optimize if the destination is a
5529 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5531 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5533 * config/s390/s390.md: Add comments with the instructions emitted
5534 by an insn pattern if macros are used.
5536 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5538 PR rtl-optimization/26026
5539 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5540 is a known power of two shifted left a variable amount.
5542 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5544 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5545 to hash table twice when the debug_str section has SECTION_MERGE.
5547 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5549 * config/soft-fp: New directory. From glibc.
5550 * config/soft-fp/t-softfp: New.
5551 * config/soft-fp/README: New.
5552 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5553 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5554 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5555 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5556 * config.gcc: Use rs6000/t-fprules-fpbit or
5557 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5559 * config/rs6000/sfp-machine.h: New. Based on glibc.
5560 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5562 * config/rs6000/t-fprules: Remove fp-bit rules.
5563 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5564 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5565 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5566 (softfp_wrap_start, softfp_wrap_end): New.
5568 2006-04-18 DJ Delorie <dj@redhat.com>
5570 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5572 2006-04-18 Devang Patel <dpatel@apple.com>
5574 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5576 2006-04-18 Nick Clifton <nickc@redhat.com>
5578 * config/sh/t-symbian: Add rule to build sh-c.o
5579 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5580 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5581 (sh_symbian_encode_section_info): Likewise.
5583 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5585 * builtins.c (expand_builtin_strcmp): Cover label definition of
5586 do_libcall with HAVE_cmpstrnsi.
5588 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5590 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5592 * function.h (temp_slot_p): New.
5593 (function): Change the type of x_used_temp_slots to
5594 VEC(temp_slot_p,gc) *.
5596 2006-04-18 Nick Clifton <nickc@redhat.com>
5598 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5599 flag_strength_reduce.
5601 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5603 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5607 Partial revert of revision 112637
5608 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5609 Dale Johannesen <dalej@apple.com>
5612 * regclass.c (struct reg_pref): Update documentation.
5613 (regclass): Set prefclass to NO_REGS if memory is the best option.
5614 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5616 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5618 PR tree-optimization/26821
5619 * tree-ssa-math-opts.c (get_constant_one): New.
5620 (insert_reciprocals): Use it.
5622 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5624 * dwarf2out.c (free_AT): Delete.
5625 (remove_AT): Update string ref counts.
5626 (remove_child_TAG): Don't call free_die.
5628 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5629 or DW_TAG_GNU_EINCL.
5630 (prune_unused_types_walk_attribs): Reset string refcounts.
5631 (prune_unused_types_update_strings): New.
5632 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5633 call free_die. Do call prune_unused_types_update_strings.
5634 (prune_unused_types): Empty debug_str_hash.
5636 2006-04-17 Roger Sayle <roger@eyesopen.com>
5638 * expr.c (expand_assignment): Optimize away no-op moves where the
5639 source and destination are equal and have no side-effects.
5641 2006-04-17 Richard Guenther <rguenther@suse.de>
5644 * reload.c (push_reload): Guard calls to get_secondary_mem
5647 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5649 * alias.c (reg_base_value, old_reg_base_value): Change the
5650 type to VEC(rtx,gc) *.
5651 (REG_BASE_VALUE, find_base_value, record_set,
5652 init_alias_analysis): Use VEC instead of VARRAY.
5654 * alias.c (alias_sets): Change the type to
5655 VEC(alias_set_entry,gc) *.
5656 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5657 VEC instead of VARRAY.
5658 (last_alias_set): Remove.
5660 * cgraph.h (cgraph_edge_p): New.
5661 Update the prototype of cgraph_function_versioning.
5662 * cgraphunit.c (cgraph_copy_node_for_versioning,
5663 cgraph_function_versioning): Use VEC instead of VARRAY.
5664 * ipa-cp.c (ipcp_insert_stage): Likewise.
5666 2006-04-16 Roger Sayle <roger@eyesopen.com>
5669 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5670 "A op B" or "A op C", we may need to convert A to the type of B and C.
5672 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5674 * target.h (struct gcc_target): Add mode_rep_extended.
5675 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5676 (init_num_sign_bit_copies_in_rep): Initialize it using
5678 (truncate_to_mode): Use it.
5679 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5680 * targhooks.h (default_mode_rep_extended): Declare it.
5681 * targhooks.c (default_mode_rep_extended): Define it.
5682 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5683 default_mode_rep_extended.
5684 (TARGET_INITIALIZER): Include it.
5685 * doc/tm.texi (Misc): Document it.
5686 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5687 (mips_truncated_to_mode): New function.
5689 2006-04-16 Roger Sayle <roger@eyesopen.com>
5692 * expr.c (compress_float_constant): Copy the narrow constant into
5693 a new pseudo before extending it to its final width.
5695 2006-04-16 Roger Sayle <roger@eyesopen.com>
5696 Andrew Pinski <pinskia@gcc.gnu.org>
5697 Dale Johannesen <dalej@apple.com>
5700 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5701 special case code to implement V8HImode and V16QImode with SSE2.
5703 2006-04-15 Roger Sayle <roger@eyesopen.com>
5705 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5706 trees are constructed with a suitable tree type.
5708 2006-04-15 Roger Sayle <roger@eyesopen.com>
5710 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5711 (integer_onep): Likewise.
5712 (integer_all_onesp): Likewise.
5713 (integer_pow2p): Likewise.
5714 (integer_nonzerop): Likewise.
5715 (real_zerop): Likewise.
5716 (real_onep): Likewise.
5717 (real_twop): Likewise.
5718 (real_minus_onep): Likewise.
5719 (int_size_in_bytes): Likewise.
5720 (host_integerp): Likewise.
5722 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5724 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5725 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5726 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5728 * tree-ssa-structalias.h (alias_info): Remove num_references.
5730 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5732 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5733 (output_bvb patterns): Likewise.
5734 * pa.c (output_bb): Use 'bb' insn for long branch case.
5735 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5736 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5737 1. Correct length operand for alternatives 1 and 2.
5738 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5739 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5741 2006-04-14 Roger Sayle <roger@eyesopen.com>
5743 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5744 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5745 were accidentally reverted by r112959.
5747 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5750 * except.h (eh_region_outermost): New prototype.
5751 * except.c (eh_region_outermost): New function.
5752 * tree-cfg.c (find_outermost_region_in_block): Use it.
5754 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5756 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5758 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5759 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5760 (init_reload, reload): Use VEC instead of VARRAY.
5761 * reload.h: Update the prototype for
5762 reg_equiv_memory_loc_varray.
5764 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5765 Eric Botcazou <ebotcazou@libertysurf.fr>
5767 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5770 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5773 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5774 to expand fallback builtin function call.
5776 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5779 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5780 and emit libcall here in case the builtin fails.
5781 (expand_builtin_strcmp): Always emit the libcall here on failure.
5783 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5785 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5786 * flow.c (reg_n_info): Change the type to
5787 VEC(reg_info_p,heap) *.
5788 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5790 * regs.h (reg_info_p): New.
5791 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5792 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5793 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5796 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5798 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5800 * params.h (MAX_SCHED_READY_INSNS): New macro.
5801 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5802 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5803 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5804 the ready list for 1 cycle during the first scheduling pass.
5805 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5807 2006-04-13 Richard Henderson <rth@redhat.com>
5810 * gimple-low.c (lower_omp_directive): Remove dead code.
5811 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5812 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5813 * omp-low.c (struct omp_region): Move to tree-flow.h.
5814 (root_omp_region): Export.
5815 (omp_regions, lookup_omp_region): Remove.
5816 (determine_parallel_type): Update for struct omp_region changes.
5817 (dump_omp_region): Dump regions with block numbers.
5818 (new_omp_region): Take type and block instead of stmt; malloc
5820 (free_omp_region_1, free_omp_regions): New.
5821 (expand_parallel_call): Take entry_stmt as argument; update for
5822 changes to omp_region.
5823 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5824 (remove_exit_barriers): New.
5825 (expand_omp_parallel): Update for struct omp_region changes.
5826 (expand_omp_synch): Likewise.
5827 (expand_omp): Likewise.
5828 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5829 (expand_omp_for_static_chunk): Likewise.
5830 (expand_omp_for): Likewise.
5831 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5832 (expand_omp_sections): Similarly, with GOMP_sections_end.
5833 (expand_omp_single): New.
5834 (build_omp_regions_1): Update for OMP_CONTINUE.
5835 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5836 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5837 OMP_SECTIONS_SECTIONS.
5838 (lower_omp_single_simple): Don't emit barrier here.
5839 (lower_omp_single_copy): Likewise.
5840 (lower_omp_single): Fix bindings, and lower to straightline now.
5841 (lower_omp_master, lower_omp_ordered): Likewise.
5842 (lower_omp_critical): Likewise.
5843 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5844 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5845 omp edges, free it afterward.
5846 (make_omp_sections_edges): Remove.
5847 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5848 (move_stmt_r): Handle OMP_CONTINUE.
5849 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5850 statement pointers to basic blocks. Add type member.
5851 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5852 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5853 * tree-inline.c (estimate_num_insns_1): Likewise.
5854 * tree-pretty-print.c (dump_generic_node): Likewise.
5855 * tree-ssa-operands.c (get_expr_operands): Likewise.
5856 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5857 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5858 (OMP_CONTINUE): New.
5859 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5860 (OMP_SECTIONS_SECTIONS): Remove.
5861 (OMP_SECTION_LAST): New.
5862 (OMP_RETURN_NOWAIT): New.
5864 2006-04-13 Roger Sayle <roger@eyesopen.com>
5866 * fold-const.c (native_encode_vector, native_interpret_real):
5867 Correct obvious mistakes in the previous check-in.
5869 2006-04-13 Roger Sayle <roger@eyesopen.com>
5871 * fold-const.c (native_encode_expr): New function to encode
5872 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5873 or VECTOR_CST into a specified buffer.
5874 (native_encode_int): New function.
5875 (native_encode_real): New function.
5876 (native_encode_complex): New function.
5877 (native_encode_vector): New function.
5878 (native_interpret_expr): Inverse of native_encode_expr to convert
5879 a target representation into an INTEGER_CST, REAL_CST etc...
5880 (native_interpret_int): New function.
5881 (native_interpret_real): New function.
5882 (native_interpret_complex): New function.
5883 (native_interpret_vector): New function.
5884 (fold_view_convert_expr): New function to constant fold/evaluate
5885 a VIEW_CONVERT_EXPR of a suitable constant expression.
5886 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5887 Change call of build1 to fold_build1 when constructing a
5890 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5891 Ulrich Weigand <uweigand@de.ibm.com>
5894 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5897 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5900 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5901 optimize to lo_sum for DFmode if !TARGET_FPRS.
5903 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5905 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5906 delete_alias_info, compute_flow_sensitive_aliasing,
5907 group_aliases): Use VEC instead of VARRAY.
5908 * tree-ssa-structalias.c (update_alias_info): Likewise.
5909 * tree-ssa-structalias.h (alias_info): Change the type of
5910 processed_ptrs to VEC(tree,heap) *.
5912 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5915 * config/sh/lib1funcs.h: New file, broken out of:
5916 * config/sh/lib1funcs.asm.
5917 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5919 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5920 * config/sh/lib1funcs-Os-4-200.asm: New file.
5921 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5922 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5923 (EXTRA_MULTILIB_PARTS): Include it.
5924 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5925 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5926 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5927 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5930 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5932 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5933 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5934 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5936 * tree-ssa-live.h: Include vecprim.h.
5937 (tree_partition_associator_d): Change the type of
5938 first_partition to VEC(int,heap) *.
5939 (tpa_first_partition): Use VEC instead of VARRAY.
5941 * Makefile.in (GTFILES): Move functions.h after tree.h.
5942 * function.c (reset_block_changes, record_block_change,
5943 check_block_change, free_block_changes): Use VEC instead of
5945 * function.h (function): Change the type of
5946 ib_boundaries_block to VEC(tree,gc) *.
5947 * tree-inline.c (copy_cfg_body): Initialize
5948 ib_boundaries_block to NULL instead of (varray_type) 0.
5950 2006-04-12 Roger Sayle <roger@eyesopen.com>
5952 * expr.c (emit_group_store): Correct operand order in call to
5953 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5954 a SUBREG_BYTE of zero.
5956 2006-04-12 Richard Guenther <rguenther@suse.de>
5958 * profile.c (compute_branch_probabilities): Remove code
5959 encapsulated in !ir_type (), which are remanents of the
5960 removed RTL profiling code.
5961 * rtl-profile.c: Remove.
5963 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5965 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5966 magic NULL_RTX comment.
5967 (function_arg): Store entire fp arg to mem if any part should go
5969 (rs6000_arg_partial_bytes): Adjust for above change.
5971 2006-04-11 Roger Sayle <roger@eyesopen.com>
5973 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5974 if it hasn't been initialized by dwarf2out_init.
5976 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5978 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5979 symbolic constants in branch patterns.
5981 2006-04-11 Roger Sayle <roger@eyesopen.com>
5983 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5985 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5987 PR rtl-optimization/27073
5988 * gcse.c (try_replace_reg): Revert last change. Continue to search
5989 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5992 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5994 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5995 aggregate types other than record and union types.
5996 (function_arg): Likewise.
5997 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5999 (function_value): In 64-bit mode, return objects that require it
6002 2006-04-11 Roger Sayle <roger@eyesopen.com>
6004 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6006 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6008 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6010 2006-04-03 Jeff Law <law@redhat.com>
6013 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6014 alias information too.
6016 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6018 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6020 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6023 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6024 (premark_used_types_helper): New.
6025 (premark_used_types): New.
6026 (gen_subprogram_die): Call premark_used_types.
6027 (prune_unused_types_walk): Do not prune perennial dies.
6028 * function.c (used_types_insert): New.
6029 * function.h (struct function): Add used_types_hash field.
6030 (used_types_insert): Add prototype.
6031 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6032 * c-parser.c (c_parser_cast_expression): Save casted types in used
6035 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6038 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6039 rs6000_explicit_options.float_gprs.
6041 2006-04-10 Roger Sayle <roger@eyesopen.com>
6043 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6044 from ix86_expand_vector_init_low_nonzero. Take an additional
6045 one_var argument indicating which element is non-zero. Support
6046 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6047 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6048 with one_var instead of ix86_expand_vector_init_low_nonzero.
6050 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6052 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6053 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6054 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6055 build/genextract.o): Depend on vecprim.h.
6056 * cfglayout.c, df-problems.c, function.c, genextract.c,
6057 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6058 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6062 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6064 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6065 Declare VECs of this type.
6066 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6067 (remove_children): Delete.
6068 (add_dwarf_attr): Use VEC routines.
6069 (add_AT_flag): Update for changes to add_dwarf_attr.
6070 (add_AT_int): Likewise.
6071 (add_AT_unsigned): Likewise.
6072 (add_AT_long_long): Likewise.
6073 (add_AT_vec): Likewise.
6074 (add_AT_string): Likewise.
6075 (add_AT_die_ref): Likewise.
6076 (add_AT_fde_ref): Likewise.
6077 (add_AT_loc): Likewise.
6078 (add_AT_loc_list): Likewise.
6079 (add_AT_addr): Likewise.
6080 (add_AT_lbl_id): Likewise.
6081 (add_AT_lineptr): Likewise.
6082 (add_AT_macptr): Likewise.
6083 (add_AT_offset): Likewise.
6084 (add_AT_range_list): Likewise.
6085 (get_AT): Use VEC_iterate.
6086 (remove_AT): Use VEC_ordered_remove.
6087 (free_die): Fold remove_children into here; have it use VEC_iterate.
6088 (print_die): Use VEC_iterate on attrs.
6089 (reverse_die_lists): Don't reverse attr lists.
6090 (die_checksum): Use VEC_iterate on attrs.
6091 (same_die_p): Likewise.
6092 (output_location_lists): Likewise.
6093 (build_abbrev_table): Likewise.
6094 (size_of_die): Likewise.
6095 (unmark_all_dies): Likewise.
6096 (output_abbrev_section): Likewise.
6097 (output_die): Likewise.
6098 (prune_unused_types_walk_attribs): Likewise.
6100 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6102 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6104 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6107 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6109 2006-04-09 Roger Sayle <roger@eyesopen.com>
6111 * expr.c (store_constructor): Don't bother clearing target if
6112 we're about to assign a vector to it using vec_init_optab.
6114 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6116 * tree-ssa-alias.c (lhs_may_store_to): New function.
6117 (recalculate_used_alone): Handle LHS of calls.
6119 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6123 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6124 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6125 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6126 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6127 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6128 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6129 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6130 stubs. Add ".align 8" directives before all ".dword" directives.
6131 (GTHREAD_USE_WEAK): Revise comment.
6132 (TARGET_ATTRIBUTE_WEAK): Define.
6133 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6134 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6135 * stublib.c: New file.
6140 * pa.md (cbranch patterns): Revise arguments used in calls to
6141 output_cbranch, output_bb and output_bvd. Add long branch length
6143 (fbranch patterns): Handle long branches.
6144 (jump): Revise length check. Revise arguments for output_lbranch call.
6145 Add long branch length attributes.
6146 (decrement_and_branch_until_zero): Add long branch length attributes.
6147 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6148 Likewise. Revise arguments for output_parallel_addb and
6149 output_parallel_movb calls.
6150 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6151 output_parallel_movb and output_parallel_addb): Update prototypes.
6152 * pa.c (output_cbranch): Revise arguments. Correct handling of
6153 nullification in long branches.
6154 (output_lbranch): Add new argument to control extraction of delay
6156 (output_bb): Handle long branches.
6157 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6158 output_parallel_addb): Likewise.
6160 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6162 PR rtl-optimization/27073
6163 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6166 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6168 * tree.h (tree_memory_tag): Add old_used_alone.
6169 (SMT_OLD_USED_ALONE): New macro.
6170 * tree-ssa-alias.c (recalculate_used_alone): Stop
6171 marking things for renaming unnecessarily.
6173 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6175 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6176 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6177 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6178 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6179 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6180 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6181 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6182 spelling convensions.
6183 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6184 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6185 typos. Follow spelling conventions.
6187 2006-04-07 DJ Delorie <dj@redhat.com>
6189 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6190 passed on the stack.
6191 (m32c_init_cumulative_args): When a function returns a structure,
6192 always pass the pointer to that return area on the stack.
6193 (m32c_function_arg_advance): Don't increment the parameter number
6194 if we're processing the returned structure pointer.
6195 (pushm_info): Reverse order of registers.
6197 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6199 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6200 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6201 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6202 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6204 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6205 chrec_fold_multiply): Same.
6206 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6207 force_expr_to_var_cost): Same.
6208 * tree-mudflap.c (mf_xform_derefs_1): Same.
6209 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6211 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6213 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6214 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6217 2006-04-07 Jan Hubicka <jh@suse.cz>
6219 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6221 2006-04-07 Richard Guenther <rguenther@suse.de>
6223 PR tree-optimization/26135
6224 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6225 loads for store copy-prop.
6226 (copy_prop_visit_stmt): Likewise.
6228 2006-04-05 Robert Millan <robertmh@gnu.org>
6230 * config/i386/linux.h: Add a comment to mark macros that are
6231 being overriden in config/k*bsd-gnu.h.
6232 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6234 * config/knetbsd-gnu.h: Ditto.
6236 2006-04-06 Jan Hubicka <jh@suse.cz>
6240 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6243 2006-04-06 Mike Stump <mrs@apple.com>
6245 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6246 for HAVE_nonlocal_goto to be consistent.
6247 (expand_builtin_nonlocal_goto): Likewise.
6248 (expand_builtin_strcmp): Use #ifdef instead of #if
6249 for HAVE_cmpstrnsi to be consistent.
6251 2006-04-05 DJ Delorie <dj@redhat.com>
6253 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6256 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6258 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6259 got-relative addressing for anything but SImode.
6261 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6262 even if the calling function doesn't modify them.
6264 2006-04-05 Richard Guenther <rguenther@suse.de>
6266 PR tree-optimization/26919
6267 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6268 to cgraph_estimate_size_after_inlining.
6270 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6272 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6274 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6276 PR tree-optimization/26996
6277 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6278 VECTOR_TYPE variables.
6280 2006-04-05 Richard Guenther <rguenther@suse.de>
6282 PR tree-optimization/26763
6283 * fold-const.c (fold_comparison): Move folding of
6284 PTR + CST CMP PTR + CST ...
6285 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6287 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6289 * doc/install.texi (Prerequisites): Refine some wording on
6290 bootstrapping and ksh.
6291 Move the version numbers of DejaGnu here from the testing section
6292 and fix casing of names.
6293 Fix markup and clarify wording for autogen requirements.
6294 Refer to GCJ instead of just java.
6295 Refer to SVN instead of CVS.
6296 Describe diffutils as useful instead of necessary.
6297 (Downloading the source): Refer to SVN instead of CVS.
6298 Adjust a link to our web site accordingly.
6299 (Configuration): Fix casing of Bison.
6300 (Building): Refer to SVN instead of CVS.
6301 Fix a sentence on the use of Bison and remove duplicate (and
6302 incorrect) version number of Bison requirement.
6303 Remove one redundant list of packages needed for building.
6304 (Specific): Avoid reference to CVS.
6306 2006-04-04 Eric Christopher <echristo@apple.com>
6308 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6309 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6310 (rs6000_handle_struct_attribute): New.
6311 (rs6000_ms_bitfield_layout_p): Ditto.
6313 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6315 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6316 NULL for dso parameter to atexit_common.
6318 2006-04-04 Eric Christopher <echristo@apple.com>
6320 * config/i386/i386.c (machopic_output_stub): Output \t
6321 between instructions and operands.
6323 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6325 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6326 satisfies_constraint_[IL] to explicit tests on value.
6328 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6330 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6331 set_nb_iterations_in_loop): Use build_int_cst instead of
6333 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6334 build_int_cst instead of convert.
6336 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6338 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6339 new value 2 for incoming.
6340 * function.c (expand_function_start): Call struct_value_rtx
6342 * config/sparc/sparc.md: Comment updated_return.
6343 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6344 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6345 struct return if sparc_std_struct_return and incoming is 2.
6346 (print_operand): Do not adjust return if
6347 sparc_std_struct_return.
6349 2006-04-04 Roger Sayle <roger@eyesopen.com>
6351 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6352 convert in the middle-end.
6353 * expr.c (store_expr, store_constructor, get_inner_reference,
6354 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6356 * tree.c (build_range_type): Likewise.
6358 2006-04-04 Tom Tromey <tromey@redhat.com>
6360 * doc/install.texi (Prerequisites): Mention jar.
6362 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6364 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6367 2006-04-04 Matthias Klose <doko@debian.org>
6369 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6370 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6373 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6375 * doc/extend.texi (Function Attributes): Rewrite visibility
6376 attribute documentation.
6377 * doc/invoke.texi (C++ Dialect Options): Rewrite
6378 -fvisibility-inlines-hidden documentation to describe something
6379 entirely different, although in practise compatible.
6380 (Code Gen Options): Warn about system headers in -fvisibility=
6383 * doc/extend.texi (Other Builtins): Document that
6384 __builtin_nan is a compile-time constant only when its argument
6387 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6389 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6390 trying to remove TRUNCATE check if all bits outside the new mode
6391 are identical to the sign bit.
6393 2006-04-03 Jeff Law <law@redhat.com>
6395 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6396 and operand scanning in some common cases.
6398 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6399 Dale Johannesen <dalej@apple.com>
6402 * regclass.c (struct reg_pref): Update documentation.
6403 (regclass): Set prefclass to NO_REGS if memory is the best option.
6404 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6405 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6406 into account. For non-registers, equate an empty preferred
6407 reload class to a `!' in the constraint; move the if clause to
6408 do so after those that reject the insn.
6409 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6411 (find_dummy_reload): Likewise.
6412 * doc/tm.texi (Register Classes): Document what it means
6413 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6414 * config/i386/i386.c (ix86_preferred_reload_class): Force
6415 using SSE registers (and return NO_REGS for floating-point
6416 constants) if math is done with SSE.
6417 (ix86_preferred_output_reload_class): New.
6418 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6419 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6420 * config/i386/i386.md: Remove # register preferences.
6422 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6425 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6426 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6427 the type of nb_iter.
6428 (instantiate_parameters_1): Convert the operands before calling
6429 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6430 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6432 2006-04-02 Roger Sayle <roger@eyesopen.com>
6434 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6435 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6437 * dojump.c (do_jump): Likewise.
6438 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6439 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6440 gimplify_boolean_expr): Likewise.
6441 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6442 * varasm.c (array_size_for_constructor): Likewise.
6443 * tree-object-size.c (compute_object_offset): Likewise.
6445 2006-04-02 Roger Sayle <roger@eyesopen.com>
6448 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6449 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6451 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6453 PR tree-optimization/26939
6454 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6456 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6458 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6459 at_stmt. Convert the type of operands before calling
6460 build_polynomial_chrec.
6461 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6463 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6464 (instantiate_parameters_1): Convert the type of operands before calling
6465 build_polynomial_chrec.
6466 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6467 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6468 reset_evolution_in_loop): Insert asserts to check the types of the
6470 (chrec_type): Moved...
6471 (eq_evolutions_p): Use operand_equal_p.
6472 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6473 the types of the operands.
6474 (chrec_type): ...here.
6475 * tree-data-ref.c (create_data_ref): Convert the operands before
6476 calling chrec_replace_initial_condition.
6477 (same_access_functions, analyze_subscript_affine_affine,
6478 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6479 (compute_subscript_distance, analyze_ziv_subscript,
6480 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6481 analyze_miv_subscript): Convert the operands before calling
6482 chrec_fold_minus or chrec_fold_plus.
6484 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6486 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6487 the dependence_relations vector.
6488 (compute_data_dependences_for_loop): Adjust call to
6489 compute_all_dependences.
6491 2006-04-01 Roger Sayle <roger@eyesopen.com>
6492 Richard Henderson <rth@redhat.com>
6494 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6495 gimple_boolify on the condition before calling gimplify_expr.
6497 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6499 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6500 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6501 the frame size. Update to use the new macros.
6502 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6503 * config/xtensa/ieee754-df.S: Likewise.
6505 2006-03-31 Richard Henderson <rth@redhat.com>
6507 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6508 (make_edges): ... here. Control fallthru creation with a local
6509 variable. Do not play with fake edges.
6510 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6511 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6514 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6516 * dwarf2.h (DW64_CIE_ID): Define.
6517 * dwarf2out.c (DWARF_CIE_ID): Define.
6518 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6519 length header. Use DWARF_CIE_ID.
6520 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6521 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6523 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6525 * config/sh/linux-atomic.asm: New file.
6526 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6528 2006-03-31 DJ Delorie <dj@redhat.com>
6530 * config/m32c/cond.md: Set condition flags properly throughout.
6531 * config/m32c/minmax.md: Likewise.
6532 * config/m32c/prologue.md: Likewise.
6533 * config/m32c/bitops.md: Likewise.
6534 * config/m32c/muldiv.md: Likewise.
6535 * config/m32c/mov.md: Likewise.
6536 * config/m32c/addsub.md: Likewise.
6537 * config/m32c/m32c.md: Likewise.
6538 * config/m32c/jump.md: Likewise.
6539 * config/m32c/shift.md: Likewise.
6541 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6542 conditionally output the pattern for this.
6543 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6544 (m32c_compare_redundant): New.
6545 (m32c_output_compare): New.
6546 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6548 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6549 dest, not src. Allow other 4-byte modes.
6551 2006-03-30 Denis Chertykov <denisc@overta.ru>
6553 * doc/md.texi: Refer to avr/constraints.md instead of
6556 2006-03-30 Roger Sayle <roger@eyesopen.com>
6558 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6559 signed vs. unsigned comparison failures on some hosts.
6561 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6564 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6565 change to FLOAT_REGS.
6567 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6568 (rs6000_override_options): Use it.
6569 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6570 only for -mabi=spe/no-spe and -mabi=altivec.
6572 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6574 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6577 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6579 * Makefile.in: Rename docdir to gcc_docdir.
6581 2006-03-30 Roger Sayle <roger@eyesopen.com>
6584 * expr.c (emit_group_store): Optimize group stores into a pseudo
6585 register by using a paradoxical subreg to initialize the destination
6586 if the first or last member of the group specifies a "low part".
6588 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6591 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6592 * target.h (struct gcc_target.speculate_insn): Change type of the
6593 second parameter to 'int'.
6594 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6595 the second operand of the DEPS_LIST.
6596 (copy_DEPS_LIST_list): Update reference to the second operand of the
6598 * rtl.h (alloc_DEPS_LIST): Update signature.
6599 * sched-int.h (ds_t): Change typedef to 'int'.
6600 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6602 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6604 * haifa-sched.c (try_ready): Change condition to restore
6605 non-speculative pattern of the instruction.
6606 (process_insn_depend_be_in_spec): Code to keep probability of the
6607 speculative dependence non-decreasing.
6609 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6611 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6612 (single_move_for_movmem): ... this. Also change all uses.
6613 (bfin_expand_strmov): Renamed to...
6614 (bfin_expand_movmem): ... this. Also change all uses.
6615 * config/bfin/bfin.md (movstrsi): Renamed to...
6616 (movstrsi): ...this.
6618 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6620 PR tree-optimization/26830
6622 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6623 (copy_prop_visit_stmt): Remove write-only variable ann.
6624 (init_copy_prop): Check variable loop depth here. Do not simulate
6625 memory-tag and virtual operand PHIs except for store copy prop.
6627 2006-03-30 Richard Guenther <rguenther@suse.de>
6629 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6630 variants with double arguments.
6632 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6634 * genpreds.c (write_tm_constrs_h): Delete variable p.
6635 * genconditions.c (write_header): Add tm-constrs.h to included
6637 * genpeep.c (main): Add toplev.h to included headers.
6638 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6639 (build/genpeep.o): Add toplev.h dependency.
6640 * config/rs6000/constraints.md: Add "W" constraint.
6642 2006-03-29 Roger Sayle <roger@eyesopen.com>
6644 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6645 sizes by correctly testing whether the size fits a host integer.
6646 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6647 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6648 SImode range for the default sizetype and bitsizetype.
6650 2006-03-29 Roger Sayle <roger@eyesopen.com>
6652 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6653 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6654 quickly if the argument is already of the correct type.
6655 Call fold_build1 instead of build1. Tidy up blank lines.
6657 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6659 * genemit.c (main): Add tm-constrs.h to included headers.
6660 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6661 * genpeep.c (main): Add tm-constrs.h to included headers.
6662 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6663 (write_tm_constrs_h): this and write complete file.
6664 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6665 (write_insn_preds_c): Add tm-constrs.h to included headers.
6666 (gen_constrs): New variable.
6667 (parse_option): Parse "-c".
6668 (main): Invoke write_tm_constrs_h.
6669 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6670 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6671 (object_out_file): Add tm-constrs.h dependency.
6672 (insn-emit.o): Same.
6673 (insn-output.o): Same.
6674 (insn-peep.o): Same.
6675 (insn-preds.o): Same.
6676 (insn-recog.o): Same.
6677 (tm-constsr.h): New target.
6678 (s-constrs-h): New target.
6680 * config/rs6000/constraints.md: New file.
6681 * config/rs6000/rs6000.c: Include tm-constrs.h.
6682 (num_insn_constant_wide): Convert to satisfies_constraint.
6683 (rs6000_rtx_costs): Convert to satisfies_constraint.
6684 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6685 (CONST_OK_FOR_LETTER_P): Delete.
6686 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6687 (EXTRA_CONSTRAINT): Delete.
6688 (EXTRA_MEMORY_CONSTRAINT): Delete.
6689 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6690 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6691 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6692 satisfies_constraint.
6694 * config/i386/i386.c: Include tm-constrs.h.
6696 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6698 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6699 * tree-data-ref.c (find_data_references_in_loop,
6700 compute_data_dependences_for_loop): Use pointers to VEC.
6701 (analyze_all_data_dependences): Adjust calls.
6702 * tree-data-ref.h (find_data_references_in_loop,
6703 compute_data_dependences_for_loop): Adjust declarations.
6704 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6705 compute_data_dependences_for_loop.
6707 2006-03-29 Paul Brook <paul@codesourcery.com>
6709 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6712 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6714 PR tree-optimization/26859
6715 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6717 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6718 for the step after fold_convert.
6720 2006-03-29 Paul Brook <paul@codesourcery.com>
6722 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6723 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6725 2006-03-29 Paul Brook <paul@codesourcery.com>
6728 * targhooks.c (default_narrow_bitfield): New fuction.
6729 * targhooks.h (default_narrow_bitfield): add prototype.
6730 * target.h (gcc_target): Add narrow_volatile_bitfield.
6731 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6732 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6733 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6734 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6736 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6738 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6740 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6741 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6742 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6743 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6744 (s390_function_arg_float): Allow SDmode and DDmode values to be
6745 passed in floating point registers.
6746 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6747 check with SCALAR_FLOAT_MODE_P.
6748 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6750 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6752 PR tree-optimization/25985
6753 * tree-ssa-loop-niter.c (number_of_iterations_le,
6754 number_of_iterations_ne): Make comments more precise.
6755 (number_of_iterations_cond): Add only_exit argument. Use the
6756 fact that signed variables do not overflow only when only_exit
6758 (loop_only_exit_p): New.
6759 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6760 number_of_iterations_cond.
6762 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6764 PR tree-optimization/26643
6765 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6768 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6770 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6771 (divsi3_i4_int): Likewise.
6773 2006-03-28 Roger Sayle <roger@eyesopen.com>
6775 * expr.c (emit_group_store): Only create a new pseudo reg if the
6776 quantity it needs to hold isn't already a suitable pseudo.
6778 2006-03-28 Jeff Law <law@redhat.com>
6780 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6781 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6783 2006-03-28 Roger Sayle <roger@eyesopen.com>
6785 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6786 the equivalent ~X & Y, and the symmetry related transformations.
6787 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6788 ~X & Y, and symmetry related transforms.
6790 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6792 Revert my 2006-03-27 patches.
6794 2006-03-28 Roger Sayle <roger@eyesopen.com>
6796 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6797 ~(T1)X, when T1 and T2 are integer types of the same precision
6798 and (T2)X isn't an extension.
6800 2006-03-28 Jeff Law <law@redhat.com>
6802 PR tree-optimization/26796
6803 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6804 need EH edge cleanups rather than purging them immediately.
6805 (eliminate_degenerate_phis): Handle queued EH cleanups.
6807 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6809 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6812 2006-03-27 Roger Sayle <roger@eyesopen.com>
6815 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6816 cast BIT_NOT_EXPR operand to the correct type.
6818 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6820 * tree-loop-linear.c: Don't include varray.h.
6821 (gather_interchange_stats, try_interchange_loops,
6822 linear_transform_loops): Use VEC instead of VARRAY.
6823 * lambda-mat.c: Don't include varray.h.
6824 * tree-chrec.c: Same.
6825 * lambda-trans.c: Same.
6826 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6827 VEC instead of VARRAY.
6828 * tree-vectorizer.h: Idem.
6829 * tree-data-ref.c (dump_data_references,
6830 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6831 initialize_data_dependence_relation, finalize_ddr_dependent,
6832 compute_all_dependences, find_data_references_in_loop,
6833 compute_data_dependences_for_loop, analyze_all_data_dependences,
6834 free_dependence_relation, free_dependence_relations,
6835 free_data_refs): Idem.
6836 * tree-data-ref.h (data_reference_p, subscript_p): New.
6837 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6838 VEC instead of VARRAY.
6839 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6840 (find_data_references_in_loop, compute_data_dependences_for_loop,
6841 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6842 dump_data_dependence_relations, free_dependence_relations,
6843 free_data_refs): Adjust declaration.
6844 (lambda_transform_legal_p): Move declaration here...
6845 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6846 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6847 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6848 vect_analyze_data_refs): Use VEC instead of VARRAY.
6849 * lambda.h (lambda_transform_legal_p): ...from here.
6850 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6851 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6852 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6853 tree-chrec.o): Don't depend on VARRAY_H.
6855 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6857 * rtl.def (Copyright): Update date.
6858 (DEPS_LIST): Change type of the second operand to 'int'.
6859 * target.h (Copyright): Update date.
6860 (struct gcc_target.speculate_insn): Change type of the second parameter
6862 * lists.c (Copyright): Update date.
6863 (alloc_DEPS_LIST): Change signature. Update reference to the second
6864 operand of the DEPS_LIST.
6865 (copy_DEPS_LIST_list): Update reference to the second operand of the
6867 * rtl.h (Copyright): Update date.
6868 (alloc_DEPS_LIST): Update signature.
6869 * sched-int.h (Copyright): Update date.
6870 (ds_t): Change typedef to 'int'.
6871 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6873 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6875 * haifa-sched.c (Copyright): Update date.
6876 (try_ready): Change condition to restore non-speculative pattern
6878 (process_insn_depend_be_in_spec): Code to keep probability of the
6879 speculative dependence non-decreasing.
6881 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6883 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6884 shut up the compiler.
6886 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6888 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6889 to use lib prefix for target.
6890 ($(T)libic_invalidate_array_4-200.a): Likewise.
6891 ($(T)libic_invalidate_array_4a.a): Likewise.
6893 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6894 J"orn Rennecke <joern.rennecke@st.com>
6896 * superh.opt: New file.
6897 * sh.c (boardtype, osruntime): Remove.
6898 * superh.h (SUBTARGET_OPTIONS): Remove.
6899 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6901 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6902 arguments with ^ and/or [].
6904 * config.gcc (sh-*-*): Add quoting to account for quirk of
6906 Replace == with = in enable_incomplete_targets test.
6908 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6909 with MASK_LITTLE_ENDIAN.
6911 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6912 * config/sh/sh.opt: Added to some comments.
6913 * config/sh/superh.h: Removed some chaff.
6915 * config/sh/sh.opt: Add m4-[1234]00* options.
6916 * config/sh/sh.c (sh_handle_option): Likewise.
6917 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6918 (ic_invalidate_array_4-100.o): New rule.
6919 ($(T)libic_invalidate_array_4-100.a): Likewise.
6920 (ic_invalidate_array_4-200.o): Likewise.
6921 ($(T)libic_invalidate_array_4-200.a): Likewise.
6922 (ic_invalidate_array_4a.o): Likewise.
6923 ($(T)libic_invalidate_array_4a.a): Likewise.
6924 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6925 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6927 * config/sh/crt1.asm: Merged in profiling code.
6928 * config/sh/superh.h (STARTFILE_SPEC): Override.
6929 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6930 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6931 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6933 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6934 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6935 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6937 * sh.opt (mpretend-cmove): New option.
6938 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6939 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6940 (movsicc): Add TARGET_PRETEND_CMOVE code.
6942 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6944 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6945 s390_class_max_nregs): New function prototypes.
6946 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6947 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6948 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6949 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6951 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6953 * dwarf2out.c (add_location_or_const_value_attribute): Call
6954 tree_add_const_value_attribute if nothing else works.
6955 (reference_to_unused): New.
6956 (rtl_for_decl_init): Use reference_to_unused to decide whether
6957 to output an initializer.
6959 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6962 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6963 peephole removing spe frob_di_df_2.
6965 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6967 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6968 (subscript_dependence_tester_1): Declared.
6969 (print_dir_vectors, print_dist_vectors): New.
6970 (debug_data_dependence_relation): New.
6971 (dump_data_dependence_relation): Print more details.
6972 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6973 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6974 (save_dist_v, save_dir_v, add_outer_distances,
6975 build_classic_dist_vector_1): New.
6976 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6977 Don't test for lambda_vector_lexico_pos.
6978 (same_access_functions, add_multivariate_self_dist,
6979 add_other_self_distances, dir_from_dist): New.
6980 (build_classic_dir_vector): Replace implementation almost identical to
6981 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6983 (subscript_dependence_tester_1): New.
6984 (subscript_dependence_tester): Handle the lexicographically negative
6985 distance vectors by recomputing the dependence relation.
6986 (compute_affine_dependence): Remove parameter loop_nest_depth.
6987 (compute_self_dependence): Don't call compute_subscript_distance.
6988 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6989 Add a parameter for the loop_nest.
6990 (find_loop_nest_1, find_loop_nest): New.
6991 (compute_data_dependences_for_loop): Compute the loop nest, and give
6992 up if the nest is not well formed.
6993 * tree-data-ref.h (loop_p): New.
6994 (struct data_dependence_relation): Replace size_vect field with
6995 loop_nest, a vec of loops.
6996 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6997 (DDR_LOOP_NEST): New.
6998 (print_dir_vectors, print_dist_vectors,
6999 debug_data_dependence_relation): Declared.
7000 (index_in_loop_nest): New.
7001 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7002 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7005 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7007 * simplify-rtx.c (simplify_relational_operation): Call
7008 simplify_relational_operation_1 even if mode is VOIDmode.
7010 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7012 PR tree-optimization/26804
7013 * tree.h (DECL_CALL_CLOBBERED): New macro.
7014 (tree_decl_common): Add call_clobbered_flag.
7015 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7016 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7017 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7018 (mark_non_addressable): Ditto.
7019 * tree-ssa.c (verify_call_clobbered): New function.
7020 (verify_alias_info): Use it.
7021 * tree-pass.h (pass_reset_cc_flags): New prototype.
7022 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7023 (reset_cc_flags): New function.
7024 * passes.c (init_optimization_passes): Call reset_cc_flags after
7025 initializing referenced_vars.
7027 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7028 Roger Sayle <roger@eyesopen.com>
7031 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7032 to 1.0 for non-real operands. Implement A / A optimization for
7035 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7037 * config/i386/i386.c (size_cost): Correct the comment for
7038 cost of storing fp registers.
7039 (i386_cost): Likewise.
7040 (i486_cost): Likewise.
7041 (pentium_cost): Likewise.
7042 (pentiumpro_cost): Likewise.
7043 (k6_cost): Likewise.
7044 (athlon_cost): Likewise.
7045 (k8_cost): Likewise.
7046 (pentium4_cost): Likewise.
7047 (nocona_cost): Likewise.
7048 (generic64_cost): Likewise.
7049 (generic32_cost): Likewise.
7051 2006-03-24 Denis Chertykov <denisc@overta.ru>
7053 * config/avr/avr-protos.h (extra_constraint): Delete.
7054 (extra_constraint_Q): New declaration.
7055 * config/avr/constraints.md: New file.
7056 * config/avr/avr.md: Include it.
7057 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7058 (TMP_REGNO, ZERO_REGNO): Likewise.
7059 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7060 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7061 (extra_constraint): Delete.
7062 (extra_constraint_Q): Test for memory constraint 'Q'.
7063 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7064 (REG_CLASS_FROM_LETTER): Delete.
7065 (CONST_OK_FOR_LETTER_P): Delete.
7066 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7067 (EXTRA_CONSTRAINT): Delete.
7068 (TMP_REGNO): Delete.
7069 (ZERO_REGNO): Delete.
7071 2006-03-24 Jeff Law <law@redhat.com>
7073 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7074 directly. Call mark_new_vars_to_rename slightly earlier.
7076 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7078 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7080 (gen_compile_unit_die): Use new language types for Objective-C and
7082 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7083 DW_LANG_C_plus_plus.
7086 * config/t-darwin (crt3.o): Work around bug 26840.
7087 * config/darwin-crt3.c: Rewrite.
7088 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7090 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7092 * doc/invoke.texi: Document -femit-class-debug-always
7093 * common.opt: Add -femit-class-debug-always.
7095 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7097 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7098 index and base register.
7099 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7100 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7101 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7102 REGNO_OK_FOR_INDEX_P.
7103 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7105 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7106 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7107 REG_OK_FOR_BASE_P): Definitions removed.
7109 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7112 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7113 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7114 set yet or weren't marked as local yet.
7116 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7118 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7121 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7123 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7124 (rs6000_legitimate_small_data_p): Delete.
7125 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7126 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7127 and make static. Add forward declaration. Update uses.
7128 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7129 of offsettable_memref_p.
7130 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7131 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7133 2006-03-24 Jeff Law <law@redhat.com>
7135 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7136 around bug in immediate-use iterator.
7138 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7141 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7142 or __LITTLE_ENDIAN__.
7144 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7146 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7147 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7148 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7149 * config/sh/sh.opt (mdiv=): Amend description.
7150 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7151 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7152 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7153 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7154 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7155 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7156 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7157 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7158 TARGET_DIVIDE_CALL_FP.
7160 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7162 * haifa-sched.c (choose_ready): Fix type of the local variable.
7163 Move local variables. Add comment.
7164 (check_reg_live): Change signature. Make callable from debugger.
7165 * sched-int.h (check_reg_live): Update signature.
7166 * sched-ebb.c (check_reg_live): Update parameters.
7167 * sched-rgn.c (check_reg_live): Ditto.
7168 (region_head_or_leaf_p): Check pointer before dereferencing.
7169 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7170 before reload on optimization levels below 1.
7172 2006-03-23 Richard Henderson <rth@redhat.com>
7174 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7178 * config/alpha/predicates.md (local_symbolic_operand): Reject
7181 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7184 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7185 expressions which have overflowed constants.
7187 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7189 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7191 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7193 * cfgloopmanip.c (create_loop_notes): Removed.
7194 * final.c (final_scan_insn): Do not handle loop notes.
7195 * jump.c (squeeze_notes): Ditto.
7196 * cfglayout.c (skip_insns_after_block,
7197 duplicate_insn_chain): Ditto.
7198 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7200 * cfgloop.h (create_loop_notes): Declaration removed.
7202 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7204 * varasm.c (output_constant_pool): Restore fnname and fndecl
7206 (assemble_start_function): Adjust call accordingly.
7207 (assemble_end_function): Likewise.
7209 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7212 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7215 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7217 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7220 * system.h (ICE_EXIT_CODE): New macro.
7221 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7222 (diagnostic_action_after_output): Likewise.
7223 * gcc.c (fatal_ice): New function.
7224 (execute): Use it instead of fatal.
7225 (fancy_abort): Likewise.
7226 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7228 2006-03-22 Jeff Law <law@redhat.com>
7230 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7231 iv_analyze_result returning false.
7233 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7235 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7237 2006-03-22 Richard Henderson <rth@redhat.com>
7240 * except.c (duplicate_eh_regions_0): New.
7241 (duplicate_eh_region_1): Duplicate the children of the node as
7242 well as the node itself. Link them up properly.
7243 (duplicate_eh_region_2): Merge into ...
7244 (duplicate_eh_regions): ... here. Take copy_region argument, and
7245 copy only a sub-tree if asked. Simplify copying and fixup.
7246 (eh_region_outer_p): New.
7247 * except.h (duplicate_eh_regions): Update decl.
7248 (eh_region_outer_p): Declare.
7249 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7250 (lower_omp_master): Likewise.
7251 (lower_omp_ordered): Likewise.
7252 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7253 (move_stmt_r): Use it to remap labels. Handle recursion vs
7254 remap_decls_p properly.
7255 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7256 (find_outermost_region_in_block): New.
7257 (new_label_mapper): New.
7258 (move_sese_region_to_fn): Copy eh information to the new function
7260 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7262 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7265 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7267 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7268 into shared libraries.
7270 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7272 * doc/md.texi: Refer to i386/constraints.md instead of
7274 * config/i386/constraints.md: New file, extracted from...
7275 * config/i386/predicates.md: ...here.
7276 * config/i386/i386.md: Include constraints.md.
7278 2006-03-21 Jason Merrill <jason@redhat.com>
7280 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7283 * expr.c (init_block_move_fn): Force default visibility.
7284 (init_block_clear_fn): Likewise.
7285 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7286 * targhooks.c (default_external_stack_protect_fail): Likewise.
7288 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7290 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7291 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7292 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7293 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7294 (loadgp): Use mips_current_loadgp_style.
7295 (loadgp_noshared): New pattern.
7296 (sibcall_internal): Use MIPS_CALL.
7297 (sibcall_value_internal): Likewise.
7298 (sibcall_value_multiple_internal): Likewise.
7299 (call_internal): Likewise.
7300 (call_value_internal): Likewise.
7301 (call_value_multiple_internal): Likewise.
7302 (call_split): Use MIPS_CALL and add an 'S' constraint.
7303 (call_value_split): Likewise.
7304 (call_value_multiple_split): Likewise.
7305 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7306 (-mshared): New option.
7307 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7308 (mips_current_loadgp_style): Declare.
7309 * config/mips/mips.c (mips_classify_symbol): Avoid using
7310 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7311 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7312 TARGET_ABSOLUTE_ABICALLS.
7313 (override_options): Adjust comments. Improve the warning that is
7314 issued when -mabicalls and -G are used together.
7315 (mips_file_start): Remove comment.
7316 (mips_current_loadgp_style): New function.
7317 (mips_gnu_local_gp): New variable.
7318 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7320 (mips_output_function_prologue): Use mips_current_laodgp_style.
7321 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7322 the cprestore instruction.
7323 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7324 live for TARGET_ABSOLUTE_ABICALLS.
7325 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7326 (ASM_SPEC): Pass down -mshared and -mno-shared.
7327 (MIPS_CALL): New macro.
7328 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7330 * doc/invoke.texi (-mabicalls): Update documentation.
7331 (-mshared): Document.
7333 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7335 * config/ia64/unwind-hpux.c: New file.
7336 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7338 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7341 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7343 2006-03-21 Jeff Law <law@redhat.com>
7345 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7346 type conversions of a VR_VARYING source to a wider type.
7348 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7350 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7351 tm_file on Solaris 10 and later.
7352 (sparc64-*-solaris2*): Likewise.
7353 (sparc-*-solaris2*): Likewise.
7354 * config/sol26.h: Rename to config/sol2-6.h.
7355 * config/sol2-10.h: New file.
7357 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7360 * tree-ssa-pre.c (create_component_ref_by_pieces):
7363 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7366 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7367 return it immediately.
7369 2006-03-21 Michael Matz <matz@suse.de>
7371 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7373 (remove_arc, add_arc): Update num_out_arcs member.
7374 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7376 (cache_presence): New function.
7377 (compare_states_for_equiv): New function.
7378 (state_is_differed): Don't take number of outargs, adjust callers.
7379 Use new invariant for speeding up.
7380 (init_equiv_class): Create initial classes based on sorted
7382 (partition_equiv_class): Don't track out_arcs_num.
7383 (evaluate_equiv_classes): Call cache_presence on all states and
7386 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7388 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7389 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7390 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7391 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7393 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7394 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7395 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7396 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7397 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7399 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7400 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7401 (REGNO_REG_CLASS): ARGP is in PREGS.
7402 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7404 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7405 to deal with those addresses.
7406 * addresses.h: New file.
7407 * caller-save.c: Include "addresses.h".
7408 (init_caller_save): Use new base_reg_class function.
7409 * rtl-factoring.c: Include "addresses.h".
7410 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7411 * recog.c: Include "addresses.h".
7412 (preprocess_constraints): Use new base_reg_class function.
7413 * regrename.c: Include "addresses.h".
7414 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7415 functions. Keep track of a new var INDEX_CODE to compute valid
7417 (replace_oldest_value_addr): Likewise.
7418 (replace_oldest_value_mem): Use base_reg_class.
7419 * reload.c: Include "addresses.h".
7420 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7421 (find_reloads): Use new base_reg_class function.
7422 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7423 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7424 all callers and prototype changed.
7425 * reload1.c: Include "addresses.h".
7426 (maybe_fix_stack_asms): Use base_reg_class.
7427 * regclass.c: Include "addresses.h".
7428 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7429 (init_reg_autoinc): Use new base_reg_class function.
7430 (record_reg_classes): Likewise.
7431 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7432 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7433 Use new args to compute necessary class.
7435 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7436 regrename.o, rtl-factoring.o): Update dependencies.
7437 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7438 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7439 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7440 REG_OK_FOR_INDEX_P): Delete documentation.
7442 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7444 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7445 from V7 to V9 for Solaris 7 and above.
7447 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7449 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7450 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7451 argument pointers may not alias any other storage.
7452 * common.opt: Define option -fargument-noalias-anything.
7453 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7454 alias semantics is specified by flag_argument_noalias > 2.
7456 2006-03-20 Jeff Law <law@redhat.com>
7458 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7459 (pass_phi_only_cprop): Declare.
7460 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7462 * tree-ssa-dom.c (degenerate_phi_result): New function.
7463 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7464 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7465 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7466 (eliminate_degenerate_phis): Likewise.
7467 (pass_phi_only_cprop): New pass descriptor.
7468 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7469 support code. Callers updated.
7470 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7471 (store_copy_prop): Likewise.
7472 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7474 2006-03-20 Jason Merrill <jason@redhat.com>
7477 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7478 (push_visibility, pop_visibility): Likewise.
7479 * c-pragma.h: Declare them.
7481 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7483 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7485 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7486 parameter and use get_ebb_head_tail.
7487 (sh_md_init_global): Adjust uses of find_regmode_weight.
7489 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7491 * function.h (struct function) <x_tail_recursion_reentry>:
7492 Rename to x_stack_check_probe_note.
7493 (tail_recursion_reentry): Rename to stack_check_probe_note.
7494 * function.c: Replace tail_recursion_reentry with
7495 stack_check_probe_note everywhere.
7496 (expand_function_start): Only emit a note for
7497 stack_check_probe_note with -fstack-protect.
7498 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7500 * emit-rtl.c (remove_unnecessary_notes): Remove.
7501 (pass_remove_unnecessary_notes): Remove.
7502 * rtl.h (remove_unnecessary_notes): Remove prototype.
7503 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7504 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7505 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7507 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7510 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7511 (valid_in_set): Handle ARRAY_REF.
7512 Change "if min_variant or VH" to asserts.
7513 (create_component_ref_by_pieces): Handle ARRAY_REF.
7514 (create_expression_by_pieces): Likewise.
7515 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7517 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7519 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7520 is operand of switch, not str[0].
7522 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7524 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7525 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7527 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7529 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7530 end of insn_extra_address_constraint declaration.
7532 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7534 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7535 (no-sum-in-toc): Same.
7536 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7538 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7539 NO_FP_IN_TOC for -fPIC instead of mask.
7541 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7542 (BOOT_LDFLAGS): Delete.
7544 * config/rs6000/t-aix52: Same.
7546 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7547 (stmsi[345678]_power): New.
7549 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7551 * config/ia64/ia64.opt: Add empty line to end of file.
7553 2006-03-17 Richard Guenther <rguenther@suse.de>
7556 * builtins.c (get_pointer_alignment): For component style references
7557 adjust alignment to the component type alignment. Make sure
7558 to adjust alignment for component access of constants.
7560 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7562 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7565 2006-03-17 Paul Brook <paul@codesourcery.com>
7567 * doc/install.texi: Docuemnt --with-mode.
7568 * config.gcc: Add --with-mode for arm*-*-*.
7569 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7571 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7573 * sh.c (max_labelno_before_reorg): New variable.
7574 (sh_reorg): Initialize it.
7575 (find_barrier): Check max_labelno_before_reorg before using
7576 label_to_alignment. Take length of explicit alignment insns
7577 into account. When seeing a UNSPECV_CONST_END, return it.
7579 * sh.c (fixup_mova): Set mode of affected label to QImode.
7580 (untangle_mova): New function.
7581 (find_barrier): Use it. Check mode of label before decrementing
7583 (sh_reorg): Likewise.
7584 Set mode of all insns back to VOIDmode.
7586 * sh.c (MOVA_LABELREF): New macro.
7587 (mova_p, fixup_mova, sh_reorg): Use it.
7588 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7589 ADDR_DIFF_VEC matches mova.
7591 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7593 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7594 with ATTRIBUTE_UNUSED.
7596 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7598 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7599 pointer, instead of assuming it is possible to derive the
7600 correct args size from a call insn.
7602 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7604 * rtl.h (CONST_INT_P): Define.
7605 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7606 instead of GET_CODE(x) == CONST_INT.
7607 (vax_rtx_costs): Likewise.
7608 (vax_output_int_move): Likewise.
7609 (vax_output_int_add): Likewise.
7610 (legitimate_constant_address_p): Likewise.
7611 (index_term_p): Likewise.
7612 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7613 * config/vax/vax.md (and<mode>3): Likewise.
7614 (ashrsi3): Likewise.
7616 (movstricthi): Likewise.
7617 (movstrictqi): Likewise.
7618 (rotrsi3): Likewise.
7619 (five unnamed insns): Likewise.
7621 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7623 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7624 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7625 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7626 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7627 Pass to ASM_OUTPUT_DWARF_OFFSET.
7628 * dwarf2out.c (debug_frame_section): New.
7629 (output_call_frame_info): Use debug_frame_section. Pass it to
7630 dw2_asm_output_offset.
7631 (output_die): Pass appropriate section to dw2_asm_output_offset.
7632 (output_compilation_unit_header): Likewise.
7633 (output_pubnames): Likewise.
7634 (output_aranges): Likewise.
7635 (enum dw_val_class): Break dw_val_class_lbl_offset into
7636 dw_val_class_lineptr and dw_val_class_macptr.
7637 (add_AT_lbl_offset): Delete.
7638 (add_AT_lineptr): New.
7639 (add_AT_macptr): New.
7640 (AT_lbl): Expect a lineptr or macptr.
7641 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7642 (attr_checksum): Likewise.
7643 (same_dw_val_p): Likewise.
7644 (size_of_die): Likewise.
7645 (value_format): Likewise.
7646 (output_die): Likewise.
7647 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7649 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7650 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7651 * config/darwin-protos.h (darwin_file_start): New.
7652 (darwin_asm_output_dwarf_offset): New.
7653 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7654 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7656 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7657 if not EH section; simplify.
7658 (darwin_file_start): New.
7659 (darwin_asm_output_dwarf_offset): New.
7660 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7662 (DEBUG_INFO_SECTION): Likewise.
7663 (DEBUG_ABBREV_SECTION): Likewise.
7664 (DEBUG_ARANGES_SECTION): Likewise.
7665 (DEBUG_MACINFO_SECTION): Likewise.
7666 (DEBUG_LINE_SECTION): Likewise.
7667 (DEBUG_LOC_SECTION): Likewise.
7668 (DEBUG_PUBNAMES_SECTION): Likewise.
7669 (DEBUG_STR_SECTION): Likewise.
7670 (DEBUG_RANGES_SECTION): Likewise.
7671 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7672 (ASM_OUTPUT_DWARF_OFFSET): New.
7674 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7676 * config.gcc (tm_defines): Always add to previous value rather
7679 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7681 * config/mips/predicates.md (splittable_const_int_operand): New,
7682 split from move_operand.
7683 (splittable_symbolic_operand): New.
7684 (move_operand): Add commentary. Use splittable_const_int_operand.
7685 Inline mips_atomic_symbolic_constant_p.
7686 * config/mips/mips.md: Add combine splitters for handling moves
7687 of splittable_const_int_operands and splittable_symbolic_operands.
7688 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7689 (mips_split_symbol): Declare.
7690 (mips_move_integer): Declare.
7691 * config/mips/mips.c (mips_split_p): Make global.
7692 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7693 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7694 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7695 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7696 (mips_offset_within_object_p): Handle block symbols.
7697 (mips_atomic_symbolic_constant_p): Delete.
7698 (mips_cannot_force_const_mem): Return false for constants that
7699 mips_legitimize_move can handle.
7700 (mips_use_blocks_for_constant_p): New function.
7701 (mips_split_symbol): Make global.
7702 (mips_move_integer): Likewise. Add a temporary register argument.
7703 (mips_legitimize_const_move): Use splittable_const_int_operand and
7704 splittable_symbolic_operand.
7705 (mips_use_anchors_for_symbol_p): New function.
7706 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7707 (mips_split_p): Declare.
7709 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7711 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7712 (mips*-*-linux*): Likewise.
7714 2006-03-16 Roger Sayle <roger@eyesopen.com>
7715 Daniel Speyer <dspeyer@wam.umd.edu>
7718 * tree-dump.c (dump_real): New function.
7719 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7720 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7721 (tree-dump.o): Add $(REAL_H) to the dependencies.
7723 2006-03-16 Roger Sayle <roger@eyesopen.com>
7726 * real.c (real_from_string): If the mantissa is zero, don't bother
7727 parsing the exponent as the result should always be zero.
7729 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7731 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7733 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7735 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7736 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7737 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7738 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7739 ia64_sched_finish_global): New static functions to implement
7740 hooks from gcc_target.sched.
7741 (spec_check_no, max_uid, pending_data_specs): New static variables.
7742 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7743 ia64_spec_check_src_p): New static functions.
7744 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7745 (TARGET_SCHED_ADJUST_COST): Removed.
7746 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7747 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7748 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7749 TARGET_SCHED_GEN_CHECK,
7750 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7751 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7752 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7753 Fixed to handle speculation checks.
7754 (rtx_needs_barrier): Fixed to handle speculative loads and
7756 (ia64_variable_issue): Added code to count speculative loads and their
7758 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7760 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7762 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7764 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7765 (ia64_reorg): Reset stops_p to NULL after it is freed.
7766 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7767 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7768 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7770 (data_speculative, control_speculative, check_load): New attributes.
7771 (mov<mode>_advanced, mov<mode>_speculative,
7772 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7773 zero_extend<mode>di2_speculative,
7774 zero_extend<mode>di2_speculative_advanced): New patterns for
7775 data and control speculative loads.
7776 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7778 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7779 New pattern for data and control speculation checks.
7780 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7781 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7782 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7783 Auxiliary definitions for the patterns.
7784 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7785 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7787 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7789 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7790 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7791 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7792 New resource constraints.
7793 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7795 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7796 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7797 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7798 msched-in-control-spec, msched-ldc, msched-control-ldc,
7799 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7800 msched-prefer-non-control-spec-insns,
7801 msched-count-spec-in-critical-path): New flags to tune speculative
7803 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7804 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7805 msched-in-control-spec, msched-ldc, msched-control-ldc,
7806 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7807 msched-prefer-non-control-spec-insns,
7808 msched-count-spec-in-critical-path): Document new flags.
7810 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7812 * target.h (struct spec_info_def): New opaque declaration.
7813 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7814 speculate_insn, needs_block_p, gen_check,
7815 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7816 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7817 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7818 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7819 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7820 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7822 (TARGET_SCHED): Use new macros.
7823 * rtl.h (copy_DEPS_LIST_list): New prototype.
7824 * sched-int.h (struct sched_info): Change signature of new_ready field,
7825 adjust all initializations. New fields: add_remove_insn,
7826 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7827 region_head_or_leaf_p.
7828 (struct spec_info_def): New structure declaration.
7829 (spec_info_t): New typedef.
7830 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7831 recovery_block, orig_pat.
7832 (glat_start, glat_end): New variables declaraions.
7833 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7835 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7836 DETACH_LIFE_INFO, USE_GLAT.
7837 (enum SPEC_SCHED_FLAGS): New enumeration.
7838 (NOTE_NOTE_BB_P): New macro.
7839 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7840 attach_life_info, debug_spec_status, check_reg_live): New functions.
7841 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7842 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7844 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7845 * ddg.c (get_block_head_tail): Adjust all uses.
7846 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7847 (sms_sched_info): Initialize new fields.
7848 (contributes_to_priority): Removed.
7849 * haifa-sched.c (params.h): New include.
7850 (get_block_head_tail): Adjust all uses.
7851 (ISSUE_POINTS): New macro.
7852 (glat_start, glat_end): New global variables.
7853 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7854 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7855 old_last_basic_block, before_recovery, current_sched_info_var,
7856 rgn_n_insns, luid): New static variables.
7857 (insn_cost1): New function. Move logic from insn_cost to here.
7858 (find_insn_reg_weight1): New function. Move logic from
7859 find_insn_reg_weight to here.
7860 (reemit_notes, move_insn, max_issue): Change signature.
7861 (move_insn1): Removed.
7862 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7863 extend_bb): New static functions to support extension of scheduler's
7865 (generate_recovery_code, process_insn_depend_be_in_spec,
7866 begin_speculative_block, add_to_speculative_block,
7867 init_before_recovery, create_recovery_block, create_check_block_twin,
7868 fix_recovery_deps): New static functions to support
7869 generation of recovery code.
7870 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7871 restore_bb_notes, move_block_after_check, move_succs): New static
7872 functions to support ebb scheduling.
7873 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7874 functions to support handling of register live information.
7875 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7876 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7877 add_jump_dependencies): New static functions.
7878 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7879 consistancy checking.
7880 (debug_spec_status): New function to call from debugger.
7881 (priority): Added code to handle speculation checks.
7882 (rank_for_schedule): Added code to distinguish speculative instructions.
7883 (schedule_insn): Added code to handle speculation checks.
7884 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7885 Fixed to handle ebbs.
7886 (move_insn): Added code to handle ebb scheduling.
7887 (max_issue): Added code to use ISSUE_POINTS of instructions.
7888 (choose_ready): Added code to choose between speculative and
7889 non-speculative instructions.
7890 (schedule_block): Added code to handle ebb scheduling and scheduling of
7891 speculative instructions.
7892 (sched_init): Initialize new variables.
7893 (sched_finish): Free new variables. Print statistics.
7894 (try_ready): Added code to handle speculative instructions.
7895 * lists.c (copy_DEPS_LIST_list): New function.
7896 * sched-deps.c (extend_dependency_caches): New function. Move logic
7897 from create_dependency_caches to here.
7898 (get_dep_weak, ds_merge): Make global.
7899 * genattr.c (main): Code to output prototype for
7900 dfa_clear_single_insn_cache.
7901 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7902 (output_dfa_clean_insn_cache_func): Code to output
7903 dfa_clear_single_insn_cache function.
7904 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7906 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7908 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7909 New static variables.
7910 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7911 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7913 (ebb_sched_info): Initialize new fields.
7914 (get_block_head_tail): Adjust all uses.
7915 (compute_jump_reg_dependencies): Fixed to use glat_start.
7916 (schedule_ebb): Code to remove unreachable last block.
7917 (schedule_ebbs): Added code to update register live information.
7918 * sched-rgn.c (region_sched_info): Initialize new fields.
7919 (get_block_head_tail): Adjust all uses.
7920 (last_was_jump): Removed. Adjust users.
7921 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7922 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7923 Implement new hooks.
7924 (check_dead_notes1): New static function.
7925 (struct region): New fields: dont_calc_deps, has_real_ebb.
7926 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7927 (BB_TO_BLOCK): Fixed to handle EBBs.
7928 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7929 (ebb_head): New static variable.
7930 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7931 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7933 (compute_dom_prob_ps): New assertion.
7934 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7935 global_live_at_start.
7936 (init_ready_list): New assertions.
7937 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7938 (new_ready): Add support for BEGIN_CONTROL speculation.
7939 (schedule_insns): Fixed code that updates register live information
7941 (schedule_region): Fixed to handle EBBs.
7942 (init_regions): Use extend_regions and check_dead_notes1.
7943 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7944 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7945 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7946 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7947 TARGET_SCHED_GEN_CHECK,
7948 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7949 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7950 * doc/invoke.texi (max-sched-insn-conflict-delay,
7951 sched-spec-prob-cutoff): Document.
7953 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7955 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7956 inter_tick, queue_index.
7957 (struct sched_info): Change signature of init_ready_list field.
7958 Adjust all initializations.
7959 (RESOLVED_DEPS): New access macro.
7960 (ready_add): Remove prototype.
7961 (try_ready): Add prototype.
7962 * sched-rgn.c (init_ready_list): Use try_ready.
7963 (schedule_region): Initialize
7964 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7965 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7966 (init_ready_list): Use try_ready.
7967 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7968 * lists.c (remove_list_elem): Remove `static'.
7969 (remove_free_INSN_LIST_elem): New function.
7970 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7971 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7972 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7974 (readyp): New variable.
7975 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7976 change_queue_index, resolve_dep): New static functions.
7977 (try_ready): New function. Adjust callers in sched-rgn.c and
7978 sched-ebb.c to use it instead of ready_add.
7979 (clock_var): Move at the begining of file.
7980 (rank_for_schedule): Fix typo.
7981 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7982 (ready_lastpos): Enforce assertion.
7983 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7985 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7986 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7987 (queue_to_ready): Use free_INSN_LIST_list.
7988 (early_queue_to_ready): Fix typo.
7989 (schedule_block): Init readyp. Move init_ready_list call after the
7990 initialization of clock_var. Fix error in rejecting insn by
7991 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7992 that previously corrected INSN_TICKs. Add code for handling
7994 (set_priorities): Fix typo.
7995 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7996 Clarify comment and code that keeps current_sched_info->next_tail
7999 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8001 * sched-rgn.c (extend_rgns): New static function.
8002 (find_rgns): Use it.
8003 (gather_region_statistics, print_region_statistics): New static
8005 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8006 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8008 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8009 Andrey Belevantsev <abel@ispras.ru>
8011 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8012 * lists.c (unused_deps_list): New variable.
8013 (free_list): Add assertions to verify the proper distinguishing
8014 between INSN_LISTs and DEPS_LISTs.
8015 (find_list_elem, remove_list_elem, remove_list_node): New static
8017 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8018 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8019 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8020 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8022 (free_INSN_LIST_node): Likewise.
8023 * modulo-sched.c (current_sched_info): Initialize flags field.
8024 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8025 * rtl.def (DEPS_LIST): Define.
8026 * rtl.h: Declare new functions from lists.c.
8027 * sched-deps.c (spec_dependency_cache): New static variable.
8028 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8029 (add_dependence): Change return type to void. Move the logic to ...
8030 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8031 (delete_all_dependences): Add comment about forward_dependency_cache.
8032 Handle spec_dependency_cache. Handle DEPS_LISTs.
8033 (fixup_sched_groups): Clarify the change of priority of output
8034 and anti dependencies.
8035 (sched_analyze_2): Adjust add_dependence calls to create data
8036 speculative dependence.
8037 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8038 Adjust all callers. Handle DEPS_LISTS.
8039 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8040 presence of speculation.
8041 (init_dependency_caches, free_dependency_caches):
8042 Handle spec_dependency_cache.
8043 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8044 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8045 New static functions.
8046 (add_or_update_back_dep, add_or_update_back_forw_dep,
8047 add_back_forw_dep, delete_back_forw_dep): New functions.
8048 * sched-int.h (ds_t, dw_t): New typedefs.
8049 (struct sched_info): Add new field flags.
8050 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8051 Prototype new sched-deps.c functions.
8052 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8053 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8054 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8055 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8056 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8057 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8059 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8061 * sched-rgn.c (current_sched_info): Initialize flags field.
8062 (schedule_insns): Initialize current_sched_info before the sched_init
8064 * sched-ebb.c (current_sched_info): Initialize flags field.
8065 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8066 Call add_or_update_back_dep instead of add_dependence.
8067 Create control speculative dependencies.
8068 (schedule_insns): Initialize current_sched_info before the sched_init
8071 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8073 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8075 (sh_fallback_frame_state): Likewise.
8077 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8079 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8080 Do switch on default_use_cxa_atexit.
8081 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8082 * config/darwin-crt3.o: New.
8083 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8084 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8085 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8087 * config/rs6000/t-darwin: Move crt2.o building to here.
8088 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8089 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8092 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8094 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8095 from '! xxx' to '!xxx' for coding-style conformance.
8096 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8097 (EXTRA_CONSTRAINT): Likewise.
8098 * config/vax/vax.md (four unnamed insns): Likewise.
8100 2006-03-15 Paul Brook <paul@codesourcery.com>
8102 * config/arm/arm.c (minipool_pad): New.
8103 (add_minipool_forward_ref): Include pool alignment padding in address
8105 (push_minipool_fix): Set minipool_pad.
8106 (minipool_pad): Ditto.
8108 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8110 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8111 instead of GET_CODE() == MEM and REG_P() instead of
8113 (print_operand_address): Likewise.
8114 (vax_address_cost): Likewise.
8115 (vax_rtx_costs): Likewise.
8116 (vax_notice_update_cc): Likewise.
8117 (vax_output_int_add): Likewise.
8118 (INDEX_REGISTER_P): Likewise.
8119 (BASE_REGISTER_P): Likewise.
8120 (nonindexed_address_p): Likewise.
8121 (vax_mode_dependent_address_p): Likewise.
8122 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8123 (PRINT_OPERAND): Likewise.
8124 * config/vax/vax.md (ashlsi3): Likewise.
8125 (ashlsi3): Likewise.
8126 (some more unnamed insns): Likewise.
8128 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8130 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8131 iterator-style macro.
8132 (mark_control_dependent_edges_necessary): Update the use of
8133 EXECUTE_IF_CONTROL_DEPENDENT.
8135 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8137 * config/sh/predicates.md (cache_address_operand): Special.
8138 (ua_address_operand): Likewise.
8140 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8142 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8144 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8146 2006-03-15 Andreas Schwab <schwab@suse.de>
8148 * gensupport.c (identify_predicable_attribute): Don't free p_false
8149 when it is still in use.
8151 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8153 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8154 the default setting here.
8156 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8158 * tree-pass.h (pass_cfg): Remove.
8159 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8160 * passes.c (pass_cfg): Don't run it.
8162 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8164 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8165 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8167 (stack_regs_mentioned): Update the uses of
8168 stack_regs_mentioned_data. Don't access the array beyond its
8170 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8171 Don't include gt-reg-stack.h.
8173 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8174 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8176 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8179 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8182 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8184 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8186 2006-03-14 Richard Guenther <rguenther@suse.de>
8188 PR tree-optimization/26672
8189 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8192 2006-03-14 Richard Guenther <rguenther@suse.de>
8194 PR tree-optimization/26667
8195 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8196 node for the callees. Always allow inlining if it will shrink
8199 2006-03-14 Richard Guenther <rguenther@suse.de>
8202 * builtins.c (get_pointer_alignment): Prefer alignment
8203 information from decls over that from types.
8205 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8208 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8210 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8212 * config/rs6000/rs6000.opt (mdlmzb): New option.
8213 (msched-prolog, msched-epilog): Use Var not Mask.
8214 * doc/invoke.texi (-mdlmzb): Document.
8215 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8217 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8218 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8220 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8222 PR rtl-optimization/25739
8223 * bt-load.c (augment_live_range): Free tos pointer.
8225 * gensupport.c (identify_predicable_attribute): Free
8227 * gcov.c (create_file_names): Free name pointer.
8229 2006-03-13 Roger Sayle <roger@eyesopen.com>
8232 * stmt.c (emit_case_nodes): Handle the case where the index is a
8233 CONST_INT, where the comparison mode is specified by the index type.
8235 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8237 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8240 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8242 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8243 (*branch_fp_inverted): Likewise.
8245 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8248 * omp-low.c (expand_omp_for_generic): Mark istart0
8249 and iend0 as addressable.
8251 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8253 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8255 2006-03-13 Jeff Law <law@redhat.com>
8257 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8258 virtual operands are interesting.
8259 (vrp_visit_stmt): Corresponding changes.
8261 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8263 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8265 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8266 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8267 * config/bfin/crti.S: Use it instead of __PIC__.
8268 * config/bfin/crtn.S: Likewise.
8270 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8271 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8273 Lose 'G' modifier for call operand.
8274 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8275 recognize 'G' modifier.
8277 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8280 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8281 * stmt.c (expand_case): Likewise.
8283 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8285 PR rtl-optimization/26254
8286 * loop-invariant.c (seq_insns_valid_p): New function.
8287 (move_invariant_reg): Only emit new code if it is valid.
8289 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8291 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8293 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8294 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8295 (commit_one_edge_insertion): Do not look for loop notes.
8297 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8299 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8300 flag_test_coverage out of loop.
8302 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8304 * final.c (shorten_branches): Remove outdated comment, and turn
8305 the if branch that guards it to continue.
8307 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8309 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8310 * cfgloop.h (struct loop): Remove unused fields.
8312 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8314 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8315 (-dL, -fdump-rtl-loop2): Update the dump file names
8317 * doc/invoke.texi: Update dump file names.
8319 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8321 * predict.c (estimate_probability): Remove.
8322 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8323 * basic-block.h (estimate_probability): Remove prototype.
8324 * passes.c (finish_optimization_passes): Dump branch prediction or
8325 profiling heuristics to the .profile tree dump.
8326 (init_optimization_passes): Unqueue pass_branch_prob.
8328 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8330 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8332 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8333 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8335 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8337 * function.h (frame_offset_overflow): Declare.
8338 * function.c (frame_offset_overflow): New function.
8339 (assign_stack_local_1): Call it to detect that the offset overflows.
8340 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8342 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8344 * config/sh/sh.c: Include alloc-pool.h.
8345 (label_ref_list_pool): New alloc pool.
8346 (label_ref_list_t): New type for lists of labels.
8347 (struct pool_node): Make wend a label_ref_list_t.
8348 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8350 (dump_table): Likewise.
8351 (sh_reorg): Set up the alloc pool before using add_constant and
8352 dump_table, and destroy it when finishing.
8354 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8356 * config/mips/mips.c: Remove redundant comment.
8358 2006-03-10 Jason Merrill <jason@redhat.com>
8361 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8362 the target was declared 'register'.
8364 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8366 * genpreds.c (write_insn_constraint_len): Change definition of
8367 insn_constraint_len to return size_t to match the declaration.
8369 2006-03-10 DJ Delorie <dj@redhat.com>
8371 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8373 (m32c_expand_insv): Fix test for an AND mask.
8375 2006-03-10 Richard Guenther <rguenther@suse.de>
8378 * builtins.c (get_pointer_alignment): Handle component
8379 references for field alignment.
8381 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8383 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8384 when building with libgloss.
8385 (sh*elf): Implement --without-fp option.
8386 (sh64-superh-linux*): Don't multilib.
8388 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8390 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8392 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8394 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8395 Set it when one of the replacement functions returned true.
8396 Return TODO_cleanup_cfg if cfgchanged is true.
8397 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8399 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8401 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8402 instead of gen_lowpart.
8404 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8406 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8408 (mips_output_order_conditional_branch): Declare.
8409 * config/mips/mips.h (MIPS_BRANCH): New macro.
8410 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8411 for the comparison. Use gen_condjump.
8412 (mips_output_conditional_branch): Rework interface to take the
8413 asm templates for a direct branch and the inverse of a direct branch.
8414 (mips_output_order_conditional_branch): New function.
8415 (mips_builtin_branch_and_move): New function.
8416 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8417 branch condition. Use gen_single_cc as the condition for
8418 __builtin_mips_upper_* or __builtin_mips_lower_*.
8419 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8420 Use VOIDmode for the branch condition.
8421 * config/mips/predicates.md (order_operator): New predicate.
8422 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8423 (branch_fp): Rename to...
8424 (*branch_fp): ...this. Remove mode from comparison operator.
8425 Use new mips_output_conditional_branch interface.
8426 (branch_fp_inverted): Rename to...
8427 (*branch_fp_inverted): ...this and update as for *branch_fp.
8428 (*branch_zero<mode>): Rename to...
8429 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8430 Use mips_output_order_conditional_branch. Only accept ordered
8432 (*branch_zero<mode>_inverted): Rename to...
8433 (*branch_order<mode>_inverted): ...this and update as for
8434 *branch_order<mode>.
8435 (*branch_equality<mode>): Accept zero as the second operand to
8436 the equality operator. Use the new mips_output_conditional_branch
8438 (*branch_equality<mode>_inverted): Likewise.
8439 (condjump): New expander.
8440 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8442 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8443 (bc1any2t, bc1any2f): Likewise.
8444 (single_cc): New expander.
8445 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8447 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8449 * doc/md.texi: Update documentation of MIPS constraints.
8450 * config/mips/constraints.md: New file.
8451 * config/mips/mips.md: Include it.
8452 * config/mips/mips.c (mips_char_to_class): Delete.
8453 (override_options): Don't initialize mips_char_to_class.
8454 * config/mips/mips.h (mips_char_to_class): Delete.
8455 (REG_CLASS_FROM_LETTER): Delete.
8456 (CONST_OK_FOR_LETTER_P): Delete.
8457 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8458 (EXTRA_CONSTRAINT_Y): Delete.
8459 (EXTRA_CONSTRAINT_STR): Delete.
8460 (CONSTRAINT_LEN): Delete.
8461 (EXTRA_MEMORY_CONSTRAINT): Delete.
8463 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8465 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8466 original fn's eh regions.
8468 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8470 * fold-const.c (build_range_check): Make sure to use a valid type to
8471 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8474 (range_predecessor): New static function.
8475 (range_successor): Likewise.
8476 (merge_ranges): Use them to compute predecessors and successors of
8479 2006-03-09 Roger Sayle <roger@eyesopen.com>
8482 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8483 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8485 2006-03-08 DJ Delorie <dj@redhat.com>
8487 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8488 (addpsi3): Expand to include memory operands. Remove
8489 reload-specific splits.
8490 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8491 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8492 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8493 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8494 (shift1_qi, shift1_hi, insv): New.
8495 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8496 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8497 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8499 * config/m32c/m32c-protos.h: Update as needed.
8500 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8501 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8502 Fail for unrecognized R* constraints.
8503 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8504 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8505 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8507 (m32c_init_libfuncs): New.
8508 (m32c_legitimate_address_p): Add debug wrapper.
8509 (m32c_rtx_costs): New.
8510 (m32c_address_cost): New.
8511 (conversions): Add 'B' prefix.
8512 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8513 operands, or word regnames for QI operands. 'B' prints bit
8515 (m32c_expand_setmemhi): New.
8516 (m32c_expand_movmemhi): New.
8517 (m32c_expand_movstr): New.
8518 (m32c_expand_cmpstr): New.
8519 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8520 (m32c_expand_neg_mulpsi3): Handle non-ints.
8521 (m32c_cmp_flg_0): New.
8522 (m32c_expand_movcc): New.
8523 (m32c_expand_insv): New.
8524 (m32c_scc_pattern): New.
8525 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8526 a0/a1 out of SIregs.
8527 (STORE_FLAG_VALUE): New.
8528 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8531 * config/m32c/mov.md: Make constraints more liberal.
8532 (zero_extendqihi2): Optimize r0/r1 case.
8533 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8534 * config/m32c/predicates.md (m32c_any_operand): New.
8535 (m32c_nonimmediate_operand): New.
8536 (m32c_hl_operand): New.
8537 (m32c_r3_operand): New.
8540 (memsym_operand): New.
8541 (memimmed_operand): New.
8542 (a_qi_operand): New.
8543 (m32c_eqne_operator): New.
8544 (m32c_1bit8_operand): New.
8545 (m32c_1bit16_operand): New.
8546 (m32c_1mask8_operand): New.
8547 (m32c_1mask16_operand): New.
8548 * config/m32c/blkmov.md: New file.
8549 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8551 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8553 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8554 unsigned to fix signed/unsigned comparison issue in
8555 DWARF2_FRAME_REG_OUT.
8556 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8557 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8559 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8560 of ptr into the ENABLE_CHECKING section.
8562 2006-03-08 Jeff Law <law@redhat.com>
8564 * tree-vrp.c (infer_value_range): Only count pointer uses
8565 and dereferences if -fdelete-null-pointer-checks is enabled.
8567 * tree-vrp.c (find_assert_locations): Infer value ranges for
8568 single use pointers, but do not create ASSERT_EXPRs for them.
8569 When a non-null range is inferred for a pointer, backwards
8570 propagate that range to other equivalent pointers through the
8573 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8576 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8577 language hook targets.
8578 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8579 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8580 if language hook targets were missing.
8582 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8584 * tree-ssa-opfinalize.h: Removed.
8585 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8587 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8588 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8589 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8590 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8591 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8592 finalize_ssa_v_must_def_ops): New.
8594 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8596 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8599 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8601 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8603 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8604 addresses with offsets; reorganize.
8606 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8607 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8608 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8610 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8613 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8615 2006-03-08 Ben Elliston <bje@au.ibm.com>
8617 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8619 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8622 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8625 2006-03-07 Richard Guenther <rguenther@suse.de>
8627 PR tree-optimization/26587
8628 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8630 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8632 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8634 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8636 * hooks.c (hook_bool_mode_rtx_true): New function.
8637 * hooks.h (hook_bool_mode_rtx_true): Declare.
8638 * toplev.c (compile_file): Call output_shared_constant_pool.
8639 * varasm.c (shared_constant_pool): New variable.
8640 (assemble_start_function, assemble_end_function): Remove arguments
8641 from call to output_constant_pool.
8642 (create_constant_pool): New function, split out from...
8643 (init_varasm_status): ...here.
8644 (force_const_mem): Choose between the shared and per-function constant
8645 pools. Set current_function_uses_const_pool when reusing old entries
8646 as well as when creating new ones.
8647 (mark_constant): Ignore data argument.
8648 (mark_constants): Remove pool argument.
8649 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8650 to decide whether the function uses a constant pool.
8651 (output_constant_pool_contents): New function, split out from...
8652 (output_constant_pool): ...here.
8653 (output_shared_constant_pool): New function.
8654 (init_varasm_once): Initialize shared_constant_pool.
8655 * output.h (output_constant_pool): Delete.
8656 (output_shared_constant_pool): Declare.
8657 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8658 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8660 2006-03-06 Nick Clifton <nickc@redhat.com>
8662 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8663 flag_strength_reduce.
8665 2006-03-06 Ben Elliston <bje@au.ibm.com>
8667 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8668 x86_64-*-linux* configurations.
8670 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8671 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8673 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8675 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8677 * basic-block.h: Remove the extern for
8678 rediscover_loops_after_threading.
8680 * cfgloop.c (cancel_loop): Make it static.
8681 * cfgloop.h: Remove the prototype for cancel_loop.
8683 * flow.c (recompute_reg_usage): Make it static.
8684 * rtl.h: Remove the prototype for recompute_reg_usage.
8686 * function.c (use_return_register): Make it static.
8687 * function.h: Remove the prototype.
8689 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8691 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8693 * recog.h: Remove the prototype for
8694 validate_change_maybe_volatile.
8696 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8698 * rtlanal.c (replace_reg): Remove.
8699 * rtl.h: Remove the prototype for replace_reg.
8701 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8703 * regclass.c (reg_scan_update): Remove.
8704 (reg_scan_mark_refs): Remove the last argument.
8705 * rtl.h: Remove the prototype for reg_scan_update.
8707 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8709 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8710 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8711 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8712 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8713 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8714 loop-invariant.c, omp-low.c, opts.c, passes.c,
8715 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8716 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8717 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8718 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8719 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8720 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8722 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8724 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8725 * dwarf2out.h: Remove the prototype for
8726 dwarf2out_add_library_unit_info.
8728 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8730 * tree.c (add_var_to_bind_expr): Remove.
8731 * tree.h: Remove the prototype for add_var_to_bind_expr.
8733 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8735 * regclass.c (n_non_fixed_regs): Remove.
8736 (init_reg_sets_1, globalize_reg): Remove all uses of
8738 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8740 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8742 * rtlanal.c (insns_safe_to_move_p): Remove.
8743 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8745 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8747 * expmed.c (expand_mult_add): Remove.
8748 * expr.h: Remove the prototype for expand_mult_add.
8750 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8752 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8753 and REG_SAVED_VAL_EXP constants.
8754 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8755 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8756 Handle regs stored by value.
8757 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8758 (execute_cfa_program): Handle DW_CFA_val_offset,
8759 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8760 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8761 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8762 (uw_install_context_1): Handle target regs stored by value.
8764 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8766 * tree-sra.c (tree_sra): Return todoflags;
8767 (generate_one_element): Set TODO_update_smt_usage if needed.
8768 (pass_sra): Remove TODO_update_smt_usage.
8769 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8771 (tree_ssa_forward_propagate_single_use_vars): Return
8772 TODO_update_smt_usage if we need to update SMT usage.
8773 (pass_forwprop): Remove TODO_update_smt_usage.
8775 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8777 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8778 (correct_use_link): Remove reference to get_stmt_operands.
8779 (update_stmt_operands): Likewise.
8780 (get_modify_expr_operands): New function factored out of
8781 parse_ssa_operands and get_expr_operands.
8782 Try to create V_MUST_DEFs for LHS by default.
8783 (get_expr_operands) <case MODIFY_EXPR>: Call
8784 get_modify_expr_operands.
8785 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8786 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8787 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8788 get_modify_expr_operands.
8790 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8792 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8793 * tree-flow.h: Remove the prototype for
8794 referenced_var_lookup_if_exists.
8796 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8798 PR rtl-optimization/26345
8800 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8802 2006-03-03 Roger Sayle <roger@eyesopen.com>
8804 PR tree-optimization/26524
8805 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8806 fold_convert to create a constant of the appropriate type.
8808 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8810 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8811 SYMBOL_REF_IN_BLOCK_P.
8812 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8813 of SYMBOL_FLAG_IN_BLOCK.
8814 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8815 instead of SYMBOL_REF_IN_BLOCK_P.
8816 * explow.c (use_anchored_address): Likewise.
8817 * rtl.c (rtx_size): Likewise.
8818 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8819 instead of SYMBOL_FLAG_IN_BLOCK.
8820 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8821 SYMBOL_REF_IN_BLOCK_P.
8822 (assemble_variable): Likewise.
8823 (output_constant_def_contents): Likewise.
8824 (output_constant_pool): Likewise.
8825 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8826 instead of SYMBOL_FLAG_IN_BLOCK.
8827 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8828 SYMBOL_REF_IN_BLOCK_P.
8829 (SYMBOL_REF_BLOCK): Likewise.
8830 (SYMBOL_REF_OFFSET): Likewise.
8831 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8832 SYMBOL_REF_IN_BLOCK_P.
8833 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8834 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8835 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8836 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8838 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8840 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8842 2006-03-02 Roger Sayle <roger@eyesopen.com>
8844 * simplify-rtx.c (simplify_unary_operation): When simplifying
8845 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8846 that we perform the right shift in the appropriate mode, and
8847 then extend or truncate the result to requested mode.
8849 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8851 * gengtype.c (main): Handle double_int type.
8852 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8853 * double-int.c: New file.
8854 * double-int.h: New file.
8855 * system.h: Include doubleint.h.
8856 * Makefile.in (SYSTEM_H): Include double-int.h.
8857 (double-int.o): Add.
8859 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8862 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8865 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8867 * tree-vrp.c (remove_range_assertions): Do not update statements
8870 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8872 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8874 * gcse.c (rest_of_handle_gcse): Ditto.
8875 * except.c (gate_handle_eh): Ditto.
8876 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8877 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8879 2006-03-02 Eric Christopher <echristo@apple.com>
8881 * config/i386/i386.c (machopic_output_stub): Add indirection to
8884 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8888 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8890 Sun Niagara specific optimizations.
8891 * config.gcc: Recognize niagara as target.
8892 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8893 (TARGET_CPU_niagara): Define.
8894 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8895 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8896 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8897 (ASM_CPU_SPEC): Likewise.
8898 (PROCESSOR_NIAGARA): New enum entry.
8899 (REGISTER_MOVE_COST): Handle Niagara.
8900 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8901 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8902 (sparc_override_options): Recognize "niagara", set appropriate
8903 default MASK_* values for it, and align functions to 32-bytes
8904 by default just like ULTRASPARC/ULTRASPARC3.
8905 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8906 (sparc64_initialize_trampoline): Likewise.
8907 (sparc_use_sched_lookahead): Use zero for niagara.
8908 (sparc_issue_rate): Use one for niagara.
8909 * config/sparc/niagara.md: New file.
8910 * config/sparc/sparc.md: Include it.
8911 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8912 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8913 when default cpu is niagara.
8914 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8915 (ASM_CPU_SPEC): Likewise.
8916 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8917 when default cpu is niagara.
8918 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8919 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8920 just like v9/ultrasparc/ultrasparc3.
8921 * doc/invoke.texi: Add documentation for "niagara" and improve
8922 existing documentation for ultrasparc variants.
8924 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8926 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8928 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8930 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8931 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8932 and say that only one is needed.
8933 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8934 * target.h (have_switchable_bss_sections): New hook.
8935 * explow.c (use_anchored_address): Check that the symbol is in a block.
8936 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8937 (bss_noswitch_section): New variables.
8938 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8939 (get_noswitch_section): New function.
8940 (get_block_for_section): Allow SECT to be null.
8941 (unlikely_text_section_p): Use SECTION_STYLE.
8942 (bss_initializer_p): New function.
8943 (get_variable_section): Move earlier in file. Take a new argument,
8944 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8945 Return one of the new *_sections in such cases.
8946 (get_block_for_decl): New function, extracting some logic from
8947 use_blocks_for_decl_p.
8948 (change_symbol_section): Remove in favor of...
8949 (change_symbol_block): ...this new function.
8950 (use_blocks_for_decl_p): Remove checks now performed by
8952 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8953 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8954 (emit_local, emit_bss, emit_common): ...these new functions.
8955 Return true if the alignment was honored.
8956 (emit_tls_common): New function.
8957 (asm_emit_uninitialised): Delete.
8958 (assemble_variable_noswitch): New function, split out from...
8959 (assemble_variable): ...here. Don't make decisions about common
8960 variables here. Globalize all public decls that go into non-common
8961 sections. Check whether SYMBOL_REF_BLOCK is null.
8962 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8963 (output_constant_pool): Likewise.
8964 (init_varasm_once): Initialize the new section variables.
8965 (have_global_bss_p): New function.
8966 (categorize_decl_for_section): Use bss_initializer_p.
8967 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8968 (place_block_symbol): Assert that the symbol must be in a block.
8969 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8970 (TARGET_INITIALIZER): Include it.
8971 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8972 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8973 (SECTION_MACH_DEP): Bump by two.
8974 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8975 (unnamed_section): Mention SECTION_UNNAMED in comment.
8976 (named_section): Likewise SECTION_NAMED.
8977 (noswitch_section_callback): New type.
8978 (noswitch_section): New structure.
8979 (section): Add a noswitch_section alternative.
8980 (SECTION_STYLE): New macro.
8981 (tls_comm_section, comm_section, lcomm_section): Declare.
8982 (bss_noswitch_section, have_global_bss_p): Declare.
8983 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8984 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8986 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8987 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8990 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8992 * tree-vrp.c (execute_vrp): Return value.
8993 * regrename.c (rest_of_handle_regrename): Ditto.
8994 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8995 * tree-complex.c (tree_lower_complex): Ditto.
8996 (tree_lower_complex_O0): Ditto.
8997 * tracer.c (rest_of_handle_tracer): Ditto.
8998 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8999 * postreload.c (rest_of_handle_postreload): Ditto.
9000 * tree-tailcall.c (execute_tail_recursion): Ditto.
9001 (execute_tail_calls): Ditto.
9002 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9003 * tree.h (init_function_for_compilation): Ditto.
9004 * ipa-cp.c (ipcp_driver): Ditto.
9005 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9006 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9007 * final.c (compute_alignments): Ditto.
9008 (rest_of_handle_final): Ditto.
9009 (rest_of_handle_shorten_branches): Ditto.
9010 (rest_of_clean_state): Ditto.
9011 * omp-low.c (execute_expand_omp): Ditto.
9012 (execute_lower_omp): Ditto.
9013 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9014 * ipa-reference.c (static_execute): Ditto.
9015 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9016 * reorg.c (rest_of_handle_delay_slots): Ditto.
9017 (rest_of_handle_machine_reorg): Ditto.
9018 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9019 * flow.c (recompute_reg_usage): Ditto.
9020 (rest_of_handle_remove_death_notes): Ditto.
9021 (rest_of_handle_life): Ditto.
9022 (rest_of_handle_flow2): Ditto.
9023 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9024 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9025 (do_ssa_store_ccp): Ditto.
9026 (execute_fold_all_builtins): Ditto.
9027 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9028 * modulo-sched.c (rest_of_handle_sms): Ditto.
9029 * ipa-pure-const.c (static_execute): Ditto.
9030 * cse.c (rest_of_handle_cse): Ditto.
9031 (rest_of_handle_cse2): Ditto.
9032 * web.c (rest_of_handle_web): Ditto.
9033 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9034 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9035 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9036 * tree-nrv.c (tree_nrv): Ditto.
9037 (execute_return_slot_opt): Ditto.
9038 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9039 (create_structure_vars): Ditto.
9040 * loop-init.c (rtl_loop_init): Ditto.
9041 (rtl_loop_done): Ditto.
9042 (rtl_move_loop_invariants): Ditto.
9043 (rtl_unswitch): Ditto.
9044 (rtl_unroll_and_peel_loops): Ditto.
9045 (rtl_doloop): Ditto.
9046 * gimple-low.c (lower_function_body): Ditto.
9047 (mark_used_blocks): Ditto.
9048 * tree-ssa-sink.c (execute_sink_code): Ditto.
9049 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9050 (cgraph_early_inlining): Ditto.
9051 * global.c (rest_of_handle_global_alloc): Ditto.
9052 * jump.c (cleanup_barriers): Ditto.
9053 (purge_line_number_notes): Ditto.
9054 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9055 (rest_of_handle_if_after_reload): Ditto.
9056 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9057 (tree_ssa_loop_im): Ditto.
9058 (tree_ssa_loop_unswitch): Ditto.
9059 (tree_vectorize): Ditto.
9060 (tree_linear_transform): Ditto.
9061 (tree_ssa_loop_ivcanon): Ditto.
9062 (tree_ssa_empty_loop): Ditto.
9063 (tree_ssa_loop_bounds): Ditto.
9064 (tree_complete_unroll): Ditto.
9065 (tree_ssa_loop_prefetch): Ditto.
9066 (tree_ssa_loop_ivopts): Ditto.
9067 (tree_ssa_loop_done): Ditto.
9068 * predict.c (tree_estimate_probability): Ditto.
9069 * recog.c (split_all_insns_noflow): Ditto.
9070 (rest_of_handle_peephole2): Ditto.
9071 (rest_of_handle_split_all_insns): Ditto.
9072 * tree-eh.c (lower_eh_constructs): Ditto.
9073 * regmove.c (rest_of_handle_regmove): Ditto.
9074 (rest_of_handle_stack_adjustments): Ditto.
9075 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9076 * function.c (instantiate_virtual_regs): Ditto.
9077 (init_function_for_compilation): Ditto.
9078 (rest_of_handle_check_leaf_regs): Ditto.
9079 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9080 (rest_of_handle_gcse): Ditto.
9081 * ipa-type-escape.c (type_escape_execute): Ditto.
9082 * alias.c (rest_of_handle_cfg): Ditto.
9083 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9084 * profile.c (rest_of_handle_branch_prob): Ditto.
9085 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9086 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9087 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9088 * tree-dfa.c (find_referenced_vars): Ditto.
9089 * except.c (set_nothrow_function_flags): Ditto.
9090 (convert_to_eh_region_ranges): Ditto.
9091 (rest_of_handle_eh): Ditto.
9092 * emit-rtl.c (unshare_all_rtl): Ditto.
9093 (remove_unnecessary_notes): Ditto.
9094 * except.h (set_nothrow_function_flags): Ditto.
9095 (convert_to_eh_region_ranges): Ditto.
9096 * cfgexpand.c (tree_expand_cfg): Ditto.
9097 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9098 * tree-ssa-pre.c (do_pre): Ditto.
9099 (execute_fre): Ditto.
9100 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9101 (rest_of_handle_jump2): Ditto.
9102 * tree-sra.c (tree_sra): Ditto.
9103 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9104 (execute_mudflap_function_decls): Ditto.
9105 * tree-ssa-copy.c (do_copy_prop): Ditto.
9106 (do_store_copy_prop): Ditto.
9107 * ipa-prop.h (ipcp_driver): Ditto.
9108 * cfglayout.c (insn_locators_initialize): Ditto.
9109 * tree-ssa-forwprop.c
9110 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9111 * cfglayout.h (insn_locators_initialize): Ditto.
9112 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9113 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9114 (execute_late_warn_uninitialized): Ditto.
9115 * rtl.h (cleanup_barriers): Ditto.
9116 (split_all_insns_noflow): Ditto.
9117 (purge_line_number_notes): Ditto.
9118 (unshare_all_rtl): Ditto.
9119 (remove_unnecessary_notes): Ditto.
9120 (recompute_reg_usage): Ditto.
9121 (variable_tracking_main): Ditto.
9122 * integrate.c (emit_initial_value_sets): Ditto.
9123 * integrate.h (emit_initial_value_sets): Ditto.
9124 * tree-optimize.c (execute_free_datastructures): Ditto
9125 (execute_free_cfg_annotations): Ditto.
9126 (execute_fixup_cfg): Ditto.
9127 (execute_cleanup_cfg_pre_ipa): Ditto.
9128 (execute_cleanup_cfg_post_optimizing): Ditto.
9129 (execute_init_datastructures): Ditto.
9130 * tree-object-size.c (compute_object_sizes): Ditto.
9131 * combine.c (rest_of_handle_combine): Ditto.
9132 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9133 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9134 (rest_of_handle_reorder_blocks): Ditto.
9135 (rest_of_handle_partition_blocks): Ditto.
9136 * var-tracking.c (variable_tracking_main): Ditto.
9137 * tree-profile.c (tree_profiling): Ditto.
9138 * tree-vect-generic.c (expand_vector_operations): Ditto.
9139 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9140 * sched-rgn.c (rest_of_handle_sched): Ditto.
9141 (rest_of_handle_sched2): Ditto.
9142 * basic-block.h (free_bb_insn): Ditto.
9143 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9144 * tree-cfg.c (execute_build_cfg): Ditto.
9145 (remove_useless_stmts): Ditto.
9146 (split_critical_edges): Ditto.
9147 (execute_warn_function_return): Ditto.
9148 (execute_warn_function_noreturn): Ditto.
9149 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9150 * cfgrtl.c (free_bb_for_insn): Ditto.
9151 * passes.c (execute_one_pass): Run additional
9152 todos returned by execute function.
9153 * tree-pass.h (struct tree_opt_pass): Make execute
9156 2006-03-02 Richard Guenther <rguenther@suse.de>
9158 * tree-ssa-alias.c (find_used_portions): Consider taking
9159 the address as making the variable not write-only.
9161 2006-03-02 Nick Clifton <nickc@redhat.com>
9163 * config.gcc (default_use_cxa_atexit): Extend the description of
9164 this configure variable. Set its default value to "yes" for
9165 Linux, NetBSD and ELF targets on the assumption that they will
9166 use C libraries with the __cxa_atexit function.
9168 2006-03-02 Ben Elliston <bje@au.ibm.com>
9170 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9171 parameter as unused to suppress a build warning.
9173 2006-03-02 Ben Elliston <bje@au.ibm.com>
9175 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9178 2006-03-01 Roger Sayle <roger@eyesopen.com>
9181 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9182 declared name, the weak reference name, and the typeof name.
9183 (__gthrw): Avoid expanding the declared name suffix.
9184 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9186 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9188 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9190 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9191 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9192 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9193 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9194 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9195 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9196 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9197 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9198 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9199 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9200 (DW_END_default, DW_END_big, DW_END_little): New.
9201 (DW_END_lo_user, DW_END_hi_user): Define.
9202 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9203 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9204 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9207 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9209 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9211 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9213 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9215 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9217 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9218 to 'symbol_mem_tag'.
9220 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9223 2006-03-01 Roger Sayle <roger@eyesopen.com>
9225 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9227 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9230 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9231 MACHO_DYNAMIC_NO_PIC_P.
9232 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9234 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9237 * config/darwin-protos.h (darwin_asm_output_anchor):
9239 * config/darwin-sections.def (cstring_section):
9240 Add SECTION_MERGE to the flags.
9241 (literal4_section): Likewise.
9242 (literal8_section): Likewise.
9243 (objc_selector_refs_section): Likewise.
9244 (objc_cls_refs_section): Likewise.
9245 * config/darwin.c (darwin_asm_output_anchor): New
9247 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9249 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9251 Fix PR tree-optimization/26443
9252 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9253 to todo and PROP_tmt_usage to properties_destroyed.
9254 * tree-ssa-ccp.c (pass_ccp): Ditto.
9255 (pass_store_ccp): Ditto.
9256 * tree-ssa-dom.c (pass_dominator): Ditto.
9258 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9260 * tree-ssa-operands.c: Cleanup whitespace.
9261 (get_asm_expr_operands): Move before first invocation.
9262 (get_indirect_ref_operands): Likewise.
9263 (get_tmr_operands): Likewise.
9264 (get_call_expr_operands): Likewise.
9265 (append_def): Likewise.
9266 (append_use): Likewise.
9267 (append_v_may_def): Likewise.
9268 (append_v_must_def): Likewise.
9269 (add_call_clobber_ops): Likewise.
9270 (add_call_read_ops): Likewise.
9271 (add_stmt_operand): Likewise.
9272 (add_virtual_operand): Likewise.
9273 (build_ssa_operands): Likewise.
9275 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9280 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9281 with a call expr to ...
9282 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9284 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9286 * tree-vrp.c (extract_range_from_assert): Remove special
9287 handling for types with super-types.
9289 2006-03-01 Ben Elliston <bje@au.ibm.com>
9291 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9292 and powerpc64-*-linux* configurations.
9293 * config/t-dfprules: New file.
9295 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9296 Compile dfp-bit.c from the source directory using -DWIDTH and
9297 $DFP_CFLAGS to control the compilation of that file, rather than
9298 generating width-specific versions in the build directory.
9299 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9300 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9302 2006-02-28 Zack Weinberg <zackw@panix.com>
9304 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9307 2006-02-28 Eric Christopher <echristo@apple.com>
9309 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9310 Set up IN_LIBGCC definition of TARGET_64BIT.
9311 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9313 2006-02-28 Roger Sayle <roger@eyesopen.com>
9316 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9317 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9318 cases via the construction of "expr != 0".
9320 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9322 * alias.c (alias_invariant, alias_invariant_size): Remove.
9323 (record_base_value): Remove.
9324 (memrefs_conflict_p): Don't look at alias_invariant.
9325 (end_alias_analysis): Don't free it.
9326 * alias.h (record_base_value): Remove prototype.
9328 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9329 Adam Nemet <anemet@caviumnetworks.com>
9331 * rtl.h (truncated_to_mode): Declare it.
9332 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9333 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9334 (RTL_HOOKS_INITIALIZER): Include it.
9335 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9336 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9337 reg_truncated_to_mode.
9338 * rtlanal.c (truncated_to_mode): Define it.
9339 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9341 2006-02-28 Jeff Law <law@redhat.com>
9343 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9344 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9345 the range allowed by TYPE_PRECISION.
9347 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9349 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9351 PR tree-optimization/26419
9352 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9355 2006-02-27 Zack Weinberg <zackw@panix.com>
9357 * doc/md.texi: Fix typo in previous change.
9359 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9363 2006-02-27 Zack Weinberg <zackw@panix.com>
9365 * rtl.def (define_constraint, define_register_constraint)
9366 (define_memory_constraint, define_address_constraint): New MD forms.
9367 * gensupport.c (process_rtx): Put define_constraint etc on the
9369 * genpreds.c (process_define_predicate): Adjust comment. Validate
9370 the name, and call validate_exp to validate the expression.
9371 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9372 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9373 all callers changed.
9374 (validate_exp, needs_variable, struct constraint_data)
9375 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9376 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9377 (const_dbl_constraints, constraint_max_namelen)
9378 (have_register_constraints, have_memory_constraints)
9379 (have_address_constraints, have_address_constraints)
9380 (have_extra_constraints, have_const_int_constraints)
9381 (have_const_dbl_constraints, mangle, add_constraint)
9382 (process_define_constraint, process_define_register_constraint)
9383 (write_enum_constraint_num, write_lookup_constraint)
9384 (write_insn_constraint_len, write_regclass_for_constraint)
9385 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9386 (write_insn_extra_memory_constraint)
9387 (write_insn_extra_address_constraint)
9388 (write_satisfies_constraint_fns): New.
9389 (write_tm_preds_h): If we have new-style constraint definitions,
9390 prototype the functions generated from them, and define the
9391 old constraint interface (still used by generic code) in terms of
9393 (write_insn_preds_c): If we have new-style constraint definitions,
9394 generate all relevant functions from those definitions.
9395 (main): Handle define_constraint etc.
9396 * genoutput.c (struct constraint_data, indep_constraints)
9397 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9398 (mdep_constraint_len): New data structures and functions, defined
9399 #ifdef USE_MD_CONSTRAINTS.
9400 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9401 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9402 use new logic to validate operand constraints against constraint
9404 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9406 * defaults.h: If none of the old-style constraint macros are
9407 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9408 old-style macros; and poison REG_CLASS_FROM_LETTER,
9409 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9411 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9412 * doc/md.texi: Document new constraint-definition mechanism and the
9413 C interface it provides. Remove references to old mechanism
9414 elsewhere in the document.
9415 (Machine Constraints): Use pathnames relative to gcc directory,
9416 i.e. config/ARCH/FILE. Change i386 section to refer to
9417 config/i386/predicates.md; update that section to match docstrings.
9418 * doc/tm.texi: Move all documentation of the old constraint-
9419 definition macros to their own section, clearly mark as obsolete.
9421 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9422 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9424 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9425 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9426 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9428 (splits and peepholes): Use satisfies_constraint_*.
9429 * config/i386/i386.c (memory_address_length)
9430 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9432 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9434 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9435 scalar operation to be put back into the loop.
9437 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9440 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9441 (extract_cie_info): Handle S flag in augmentation string.
9442 (execute_cfa_program): If context->signal_frame, execute also
9443 fs->pc == context->ra instructions.
9444 (uw_frame_state_for): If context->signal_frame, don't subtract one
9445 from context->ra to find FDE.
9446 (uw_update_context_1): Set context->signal_frame to
9448 (_Unwind_GetIPInfo): New function.
9449 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9450 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9452 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9453 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9454 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9455 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9456 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9457 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9458 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9459 x86_64_fallback_frame_state): Set fs->signal_frame.
9460 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9461 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9462 (frob_update_context): Likewise. Workaround missing S flag in
9463 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9464 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9465 Remove the psw_addr + 1 hack.
9467 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9469 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9470 with aggregates here.
9471 (find_func_aliases): Remove code for &<aggregate> from here.
9473 2006-02-26 Roger Sayle <roger@eyesopen.com>
9475 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9476 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9477 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9480 2006-02-26 Roger Sayle <roger@eyesopen.com>
9483 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9485 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9487 * opts.c (decode_options): Do not handle flag_strength_reduce.
9488 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9489 and OPT_fstrength_reduce.
9490 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9491 flag_prefetch_loop_arrays for being nonzero.
9492 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9494 (fprefetch-loop-arrays-rtl): Removed.
9495 (flag_prefetch_loop_arrays): Do not specify the value.
9497 * doc/passes.texi: Update documentation of loop optimizer
9499 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9500 -frerun-loop-opt): Remove.
9502 2006-02-26 Richard Guenther <rguenther@suse.de>
9504 PR tree-optimization/26421
9505 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9506 in function calls that are ADDR_EXPRs as using the whole structure.
9508 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9510 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9511 * tree-pass.h (pass_loop_optimize): Remove.
9512 * passes.c (pass_loop_optimize): Never run it.
9513 * toplev.c (backend_init): Don't call init_loop.
9514 * opts.c (flag_loop_optimize_set): Remove.
9515 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9516 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9517 the old RTL loop optimizer when profiling enabled.
9518 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9519 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9520 pre-headers for the sake of the old RTL loop optimizer.
9521 * Makefile.in: Remove all references to loop.o.
9523 * doc/invoke.texi: Remove all references to -floop-optimize
9524 and -frerun-loop-opt.
9526 2006-02-26 Zack Weinberg <zackw@panix.com>
9528 * doc/md.texi (Machine Constraints): Refer to all files with paths
9529 relative to gcc directory (i.e. config/CPU/file). Add missing
9530 @table @code ... @end table to M32C subsection.
9532 2006-02-26 Roger Sayle <roger@eyesopen.com>
9534 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9536 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9538 2006-02-26 Roger Sayle <roger@eyesopen.com>
9539 James A. Morrison <phython@gcc.gnu.org>
9542 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9543 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9544 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9545 signedness of the shift operation.
9547 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9549 PR tree-optimization/26359
9550 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9552 2006-02-25 Roger Sayle <roger@eyesopen.com>
9554 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9555 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9556 as X == 0, and some symmetry related transformations.
9557 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9559 2006-02-25 Roger Sayle <roger@eyesopen.com>
9562 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9563 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9564 symmetry related transformations. Fold (X^C1) == C2 as
9567 2006-02-25 Juergen Weigert <jw@suse.de>
9568 Richard Guenther <rguenther@suse.de>
9570 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9572 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9574 * combine.c (gen_lowpart_or_truncate): Call
9575 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9577 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9579 * doc/invoke.texi: Move -fopenmp description to "Options for
9581 Remove reference to -lgomp.
9583 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9585 * doc/install.texi: Require GNU tar version 1.14.
9587 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9589 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9590 * doc/invoke.texi (C++ Dialect Options): Document
9591 -fno-use-cxa-get-exception-ptr.
9592 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9593 * configure: Regenerate.
9594 * c.opt (fuse-cxa-get-exception-ptr): New.
9595 * c-opts.c (c_common_handle_option): Handle
9596 OPT_fuse_cxa_get_exception_ptr.
9597 * c-common.c (flag_use_cxa_atexit): Update documentation.
9598 (flag_use_cxa_get_exception_ptr): New.
9599 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9600 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9602 (C_COMMON_OVERRIDE_OPTIONS): New.
9604 2006-02-24 Roger Sayle <roger@eyesopen.com>
9607 * combine.c (try_combine): Explicitly check whether GET_CODE is
9608 a SET or a CLOBBER, instead on checking that it isn't a USE.
9610 2006-02-24 Roger Sayle <roger@eyesopen.com>
9612 * fold-const.c (fold_comparison): New subroutine of fold_binary
9613 containing transformations common to both the equality and
9614 ordering relational operators, factored out of fold_binary.
9615 (fold_binary): Separate out the equality operators (EQ_EXPR
9616 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9617 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9618 transformations common to both.
9619 (fold_div_compare): Fix latent bugs in the previously unreachable
9620 LT_EXPR and GE_EXPR cases.
9622 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9624 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9625 decl libname for clog to __clog on AIX.
9627 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9629 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9632 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9633 output traceback table for thunks. Localise rs6000_stack_info call.
9635 2006-02-23 Roger Sayle <roger@eyesopen.com>
9636 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9638 * gthr-posix.h (__gthrw): Fix typo in comment.
9640 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9642 * doc/cpp.texi (Character sets): Document that we do support
9643 input files to be in any character set.
9645 2006-02-23 Jeff Law <law@redhat.com>
9647 * tree.h (PHI_ARG_NONZERO): Remove.
9648 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9649 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9650 node to the new node.
9652 PR tree-optimization/26425
9653 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9654 min/max, then assume its varying.
9656 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9658 PR rtl-optimization/26316
9659 * rtlanal.c (enum may_trap_p_flags): New.
9660 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9661 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9662 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9663 (may_trap_after_code_motion_p): New function.
9664 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9665 (find_invariant_insn): Use may_trap_after_code_motion_p.
9666 * rtl.h (may_trap_after_code_motion_p): Declare.
9668 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9670 * emit-rtl.c (immed_double_const): Cleanup.
9672 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9674 Fix PR tree-optimization/26376
9675 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9678 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9681 * gimplify.c (omp_add_variable): Guard variable size decl test with
9682 DECL_SIZE (decl) check.
9684 2006-02-23 Richard Guenther <rguenther@suse.de>
9687 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9688 like aggregate types.
9690 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9692 * configure.ac: Add --with{,out}-long-double-128 configure option.
9693 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9694 * configure: Rebuilt.
9695 * config.in: Rebuilt.
9696 * doc/install.texi (Options specification): Document
9697 --with-long-double-128.
9699 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9700 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9701 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9702 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9704 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9706 * config/s390/s390.c (override_options): Handle
9707 TARGET_DEFAULT_LONG_DOUBLE_128.
9709 * config/alpha/alpha.c (override_options): Handle
9710 TARGET_DEFAULT_LONG_DOUBLE_128.
9712 * config/sparc/sparc.c (sparc_override_options): Handle
9713 TARGET_DEFAULT_LONG_DOUBLE_128.
9715 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9717 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9718 (real-install-headers-tar, real-install-headers-cpio)
9719 (real-install-headers-cp): New targets.
9721 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9723 * tree.h (variable_section): Delete.
9724 * varasm.c (variable_section): Delete.
9726 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9728 * install.texi: Add notes on install.texi2html.
9729 (Building in parallel): Do not use footnotes.
9731 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9734 * doc/install.texi (Configuration): Document --disable-libgomp.
9736 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9738 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9740 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9742 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9743 (vec_extractv2df_0_sse): New.
9745 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9747 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9748 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9749 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9750 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9751 to the result of the expression.
9752 (def_cfa_1): Adjust.
9753 (frame_pointer_cfa_offset): Rename to...
9754 (frame_pointer_fb_offset): ... this. Adjust all uses.
9755 (convert_cfa_to_loc_list): Rename to...
9756 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9757 Pass it on to build_cfa_loc.
9758 (compute_frame_pointer_to_cfa_displacement): Rename to...
9759 (compute_frame_pointer_to_fb_displacement): ... this. New
9760 offset parameter. Use it in computation.
9761 (gen_subprogram_die): Compute cfa_fb_offset with the new
9762 macro, and use it to compute the fb loc list and the
9765 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9767 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9768 replaced with register_operand.
9769 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9770 non-DREG is expensive.
9771 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9772 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9775 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9777 * doc/install.texi2html: Use set -e.
9779 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9781 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9782 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9783 * doc/invoke.texi (-fshared-data): Delete.
9784 * common.opt (fshared-data): Delete.
9785 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9786 (assemble_static_space): Remove #if 0 code.
9787 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9788 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9789 * config/cris/cris.h: Remove FIXME.
9791 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9793 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9796 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9799 * combine.c (simplify_shift_const_1): Disable nested shifts
9800 optimization for vector shifts.
9802 2006-02-20 Roger Sayle <roger@eyesopen.com>
9804 PR tree-optimization/26361
9805 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9806 of unsigned integer types.
9808 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9810 * tree-chrec.c (eq_evolutions_p): New.
9811 * tree-chrec.h (eq_evolutions_p): Declared.
9812 * tree-data-ref.c: Fix formatting.
9813 (datadep_stats, dependence_stats): New.
9815 (print_direction_vector): New.
9816 (dump_data_dependence_relation): Use print_direction_vector.
9817 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9818 (compute_subscript_distance): Static.
9819 (initialize_data_dependence_relation): Static. Get the number
9820 of loops surrounding the references from the callers, and initialize
9821 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9822 base_object_differ_p analyzers.
9823 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9824 compute_overlap_steps_for_affine_1_2,
9825 analyze_subscript_affine_affine): Count the classified dependences.
9826 Print a message when a test failed.
9827 (can_use_analyze_subscript_affine_affine): New.
9828 (analyze_siv_subscript): Compute the data dependences on symbolic
9829 scevs that verify can_use_analyze_subscript_affine_affine.
9830 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9831 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9832 Handle symbolic scevs.
9833 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9835 (subscript_dependence_tester): Moved...
9836 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9837 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9838 DDR_SIZE_VECT instead of getting it in parameter.
9839 (subscript_dependence_tester): ... here. Take as a parameter
9840 loop_nest_depth. Call build_classic_dist_vector and
9841 build_classic_dir_vector.
9842 (compute_affine_dependence): Update subscript_dependence_tester
9843 parameters. Update datadep_stats counters. Call
9844 compute_subscript_distance.
9845 (compute_self_dependence): Save the dist and dir vectors. Call
9846 compute_subscript_distance.
9847 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9848 (compute_all_dependences): Reorder parameters as they were before
9849 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9850 compute_subscript_distance. Update the use of
9851 compute_affine_dependence and initialize_data_dependence_relation.
9852 (find_data_references_in_loop): Handle COMPONENT_REF.
9853 (compute_data_dependences_for_loop): Initialize dependence_stats.
9854 Don't call build_classic_dist_vector and build_classic_dir_vector.
9855 Update the parameters of initialize_data_dependence_relation and
9856 compute_all_dependences. Print the statistics from datadep_stats.
9857 (analyze_all_data_dependences): Static. Not used until the pass for
9858 checking the data dependences is contributed.
9859 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9860 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9861 (initialize_data_dependence_relation, compute_affine_dependence,
9862 analyze_all_data_dependences, compute_subscript_distance): Removed.
9863 (print_direction_vector): New.
9864 * lambda.h (gcd): ... here.
9865 (lambda_vector_gcd): Moved here from gcd_vector.
9866 * lambda-code.c (gcd, gcd_vector): Removed.
9867 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9868 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9870 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9872 * ipa-type-escape.c: Tidy some comments and white space.
9873 * tree-ssa-operands.c: Likewise.
9875 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9878 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9879 (dump_decl_name): Do not walk the decl tree chains.
9880 * tree-pass.h (TDF_CHAIN): Remove.
9882 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9884 * Makefile.in (C): Remove
9886 (.PHONY): Remove C and PROTO
9888 2006-02-20 Roger Sayle <roger@eyesopen.com>
9891 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9892 deprecated CHAR_TYPE tree code.
9894 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9896 * configure.ac (target_list): Add install-info, dvi, html.
9897 * configure: Regenerate.
9899 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9900 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9901 treelang/Make-lang.in: Do not use double-colon rules.
9903 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9905 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9906 (TMT_USED_ALONE): New macro.
9907 * tree-pass.h (PROP_tmt_usage): New property.
9908 (TODO_update_tmt_usage): New todo.
9909 * tree-ssa-alias.c (updating_used_alone): New variable.
9910 (recalculate_used_alone): New function.
9911 (compute_may_aliases): Set updating_used_alone, call
9912 recalculate_used_alone.
9913 * tree-sra.c (pass_sra): Note that this pass destroys
9914 PROP_tmt_usage, and add TODO_update_tmt_usage.
9915 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9916 * tree-flow.h (updating_used_alone): Prototype.
9917 (recalculate_used_alone): Ditto.
9918 * passes.c (execute_todo): Add code to set updating_used_alone,
9919 and call recalculate.
9920 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9921 for clobber if used alone, and add assert to verify used_alone
9924 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9926 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9927 for non tls symbols added.
9928 (legitimize_address): Do nothing for PLUS expressions if one of the
9929 addends is a tls symbol reference.
9931 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9935 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9937 * Makefile.in (BOOTSTRAPPING): New.
9938 (quickstrap): New definition if BOOTSTRAPPING=yes.
9940 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9941 * configure.ac: Substitute all_selected_languages with the languages
9942 that were configured. For all the other variables except
9943 lang_specs_files, include all the languages in the tree.
9944 * configure: Regenerate.
9946 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9947 if there is one. Run the commands to run fixincludes in the same
9950 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9951 * doc/install.texi: Document exact conventions for searching target tools.
9952 Document --with-build-time-tools. Document toplevel bootstrap. Document
9953 something more about building an Ada cross-compiler. Don't list GNU Make
9954 requirements which affect all platforms.
9956 2006-02-19 Roger Sayle <roger@eyesopen.com>
9959 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9960 only equivalent if the have both the same mode and precision.
9962 2006-02-20 Ben Elliston <bje@au.ibm.com>
9964 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9966 2006-02-19 Roger Sayle <roger@eyesopen.com>
9967 Steven Bosscher <stevenb.gcc@gmail.com>
9969 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9970 constant pool references to identify stack mode constants.
9971 * rtlanal.c (constant_pool_constant_p): New predicate to check
9972 whether operand is a floating point constant in the pool.
9973 * rtl.h (constant_pool_constant_p): Prototype here.
9974 * loop.c (scan_loop): Avoid hoisting constants from the constant
9975 pool on STACK_REGS targets.
9976 (load_mems): Likewise.
9977 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9978 loads into x87 registers expensive in terms of register pressure.
9980 2006-02-19 Roger Sayle <roger@eyesopen.com>
9982 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9983 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9985 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9987 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9988 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9990 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9992 * doc/invoke.texi: Document -fipa-pta.
9993 * common.opt: Add ipa-pta option.
9994 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9995 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9996 (do_ds_constraint): Ditto.
9997 (get_constraint_for): Only add to referenced_vars if
9998 referenced_vars exists.
9999 (insert_into_field_list): Rewrite to do this unsorted.
10000 (insert_into_field_list_sorted): Rename old insert_into_field_list
10002 (create_function_info_for): Use insert_into_field_list_sorted.
10003 (create_variable_info_for): Rewrite so it uses unsorted version,
10004 since the field list is sorted.
10005 (intra_create_variable_infos): Only add to referenced_vars if
10006 referenced_vars exists.
10007 (ipa_pta_execute): Init heapvars, and delete when done.
10008 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10010 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10012 * doc/install.texi: Add missing `@samp'.
10014 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10016 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10019 2006-02-18 Mark Wielaard <mark@klomp.org>
10021 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10022 who added new 4.1 features, bug fixes and integration support.
10024 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10027 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10028 MEM for ABI_V4 pic.
10030 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10032 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10033 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10034 (copy_insn_1): Likewise. Don't copy each field individually.
10036 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10038 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10039 * rtl.c (rtx_size): Rename variable to...
10040 (rtx_code_size): ...this.
10041 (rtx_size): New function.
10042 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10043 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10045 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10046 * rtl.h (rtx_code_size): New variable.
10047 (rtx_size): Change from a variable to a function.
10048 (RTX_SIZE): Rename to...
10049 (RTX_CODE_SIZE): ...this.
10052 PR tree-optimization/17106
10053 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10054 (Anchored Addresses): New section.
10055 * doc/invoke.texi (-fsection-anchors): Document.
10056 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10057 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10058 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10059 * hooks.c (hook_bool_mode_rtx_false): New function.
10060 * hooks.h (hook_bool_mode_rtx_false): Declare.
10061 * gengtype.c (create_optional_field): New function.
10062 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10063 SYMBOL_REF_IN_BLOCK_P is true.
10064 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10065 (min_anchor_offset, max_anchor_offset): Likewise.
10066 (use_anchors_for_symbol_p): New hook.
10067 * toplev.c (compile_file): Call output_object_blocks.
10068 (target_supports_section_anchors_p): New function.
10069 (process_options): Check that -fsection-anchors is only used on
10070 targets that support it and when -funit-at-a-time is in effect.
10071 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10072 if the decl doesn't have one.
10073 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10074 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10075 of force_const_mem through use_anchored_address.
10076 (expand_expr_constant): New function.
10077 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10078 calling expand_expr for INDIRECT_REF.
10079 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10080 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10081 * expr.h (use_anchored_address): Declare.
10082 * loop-unroll.c: Don't declare rtx vectors here.
10083 * explow.c: Include output.h.
10084 (validize_mem): Call use_anchored_address.
10085 (use_anchored_address): New function.
10086 * common.opt (-fsection-anchors): New switch.
10087 * varasm.c (object_block_htab, anchor_labelno): New variables.
10088 (hash_section, object_block_entry_eq, object_block_entry_hash)
10089 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10090 (use_blocks_for_decl_p, change_symbol_section): New functions.
10091 (get_variable_section): New function, split out from assemble_variable.
10092 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10093 use_blocks_for_decl_p say so. Use change_symbol_section if the
10094 symbol has already been created.
10095 (assemble_variable_contents): New function, split out from...
10096 (assemble_variable): ...here. Don't output any code for
10097 block symbols; just pass them to place_block_symbol.
10098 Use get_variable_section and assemble_variable_contents.
10099 (get_constant_alignment, get_constant_section, get_constant_size): New
10100 functions, split from output_constant_def_contents.
10101 (build_constant_desc): Create a block symbol if use_object_blocks_p
10102 says so. Or into SYMBOL_REF_FLAGS.
10103 (assemble_constant_contents): New function, split from...
10104 (output_constant_def_contents): ...here. Don't output any code
10105 for block symbols; just pass them to place_section_symbol.
10106 Use get_constant_section and get_constant_alignment.
10107 (force_const_mem): Create a block symbol if use_object_blocks_p and
10108 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10109 (output_constant_pool_1): Add an explicit alignment argument.
10110 Don't switch sections here.
10111 (output_constant_pool): Adjust call to output_constant_pool_1.
10112 Switch sections here instead. Don't output anything for block symbols;
10113 just pass them to place_block_symbol.
10114 (init_varasm_once): Initialize object_block_htab.
10115 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10116 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10117 (place_block_symbol, get_section_anchor, output_object_block)
10118 (output_object_block_htab, output_object_blocks): New functions.
10119 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10120 (TARGET_ASM_OUT): Include it.
10121 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10122 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10123 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10124 (TARGET_INITIALIZER): Include them.
10125 * rtl.c (rtl_check_failed_block_symbol): New function.
10126 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10127 (block_symbol, object_block): New structures.
10128 (rtx_def): Add a block_symbol field to the union.
10129 (BLOCK_SYMBOL_CHECK): New macro.
10130 (rtl_check_failed_block_symbol): Declare.
10131 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10132 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10133 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10134 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10135 * output.h (output_section_symbols): Declare.
10136 (object_block): Name structure.
10137 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10138 (default_use_anchors_for_symbol_p): Declare.
10139 * Makefile.in (RTL_BASE_H): Add vec.h.
10140 (explow.o): Depend on output.h.
10141 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10142 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10143 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10144 (rs6000_use_blocks_for_constant_p): New function.
10146 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10148 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10150 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10153 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10156 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10158 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10162 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10164 PR middle-end/26334
10165 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10166 instead of DECL_REGISTER.
10168 2006-02-18 Olivier Hainque <hainque@adacore.com>
10171 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10173 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10176 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10177 * opth-gen.awk: Handle Var and InverseMask together.
10178 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10179 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10180 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10181 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10183 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10184 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10185 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10186 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10187 LINUX_DYNAMIC_LINKER): Define.
10188 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10189 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10191 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10192 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10193 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10194 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10195 (TARGET_C99_FUNCTIONS): Don't define.
10196 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10197 GLIBC_DYNAMIC_LINKER.
10198 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10199 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10200 GLIBC_DYNAMIC_LINKER64): Define.
10201 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10202 LINUX_DYNAMIC_LINKER64.
10203 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10204 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10205 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10206 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10207 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10208 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10209 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10210 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10211 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10212 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10213 and LINUX_DYNAMIC_LINKER32.
10214 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10215 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10216 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10217 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10218 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10220 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10221 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10222 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10223 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10224 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10225 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10226 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10227 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10228 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10229 LINUX_DYNAMIC_LINKER): Define.
10230 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10231 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10232 GLIBC_DYNAMIC_LINKER64): Define.
10233 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10234 LINUX_DYNAMIC_LINKER64.
10235 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10236 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10237 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10238 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10239 LINUX_DYNAMIC_LINKER): Define.
10240 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10241 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10242 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10243 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10244 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10245 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10246 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10247 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10248 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10249 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10250 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10251 * doc/invoke.texi (-muclibc): Remove caveat about supported
10254 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10256 * doc/cpp.texi (__TIMESTAMP__): Document.
10258 2006-02-17 Roger Sayle <roger@eyesopen.com>
10260 PR middle-end/25600
10261 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10262 C is one less than the width of X (and related transformations).
10263 * simplify-rtx.c (simplify_unary_operation_1): Transform
10264 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10265 depending on STORE_FLAG_VALUE, were C is one less then the
10268 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10270 Fix PR tree-optimization/26341
10271 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10272 about NAME_MEMORY_TAG's.
10274 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10277 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10278 with hardware float support, and software float support. Add fcpy
10279 alternative to hardware patterns. Add alternatives to copy between
10280 general and floating-point registers to the 32-bit pattern.
10281 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10282 secondary reload to load a QI or HI mode constant into a floating
10284 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10285 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10287 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10290 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10292 (load_macho_picbase_di): Likewise.
10294 2006-02-16 Jeff Law <law@redhat.com>
10296 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10297 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10298 (ssa_name_nonzero_p): Likewise.
10299 (get_value_range): Return NULL if VRP is not running.
10300 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10301 VRP routines do not discover a range.
10302 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10303 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10304 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10305 (tree_expr_nonnegative_p): Similarly.
10306 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10307 (restore_nonzero_vars_to_original_value): Remove.
10308 (unsafe_associative_fp_binop): Remove.
10309 (tree_ssa_dominator_optimize): Remove initialization and
10310 finalization of nonzero_vars and nonzero_vars_stack.
10311 (dom_opt_initialize_block): No longer push marker on
10312 nonzero_vars_stack.
10313 (dom_opt_finalize_block): No longer call
10314 restore_nonzero_vars_to_original_value.
10315 (record_equivalences_from_phis): No longer look for
10316 nonzero PHI arguments.
10317 (cprop_into_successor_phis): No longer propagate nonzero
10318 property into PHI arguments. Lose unused argument. Caller
10320 (record_equivalences_from_stmt): No longer record nonzero
10321 values for SSA_NAMEs.
10322 (lookup_avail_expr): No longer use nonzero_vars.
10324 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10325 for sizetype when sizetype is unsigned.
10327 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10329 PR rtl-optimization/25603
10330 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10331 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10332 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10333 with new meaning of SETS.
10335 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10340 * config/linux.opt: New file.
10341 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10342 LINUX_DYNAMIC_LINKER): Define.
10343 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10344 * config.gcc (*-*-linux*): Define extra_options.
10345 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10346 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10347 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10348 GLIBC_DYNAMIC_LINKER.
10349 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10350 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10351 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10352 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10353 * doc/invoke.texi (GNU/Linux Options): New section.
10355 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10357 * config/sparc/sparc.md (setjmp): Rewrite.
10358 (setjmp_32): Delete.
10359 (setjmp_64): Likewise.
10361 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10363 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10366 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10368 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10371 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10373 PR rtl-optimization/26296
10374 * Makefile.in (loop-invariant.c): Add except.h dependency.
10375 * loop-invariant.c: Include except.h.
10376 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10378 2005-02-16 Paul Brook <paul@codesourcery.com>
10380 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10383 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10385 PR rtl-optimization/25636
10386 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10387 when deciding whether an insn is an initializing insn.
10389 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10391 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10392 (tree_code_size): Ditto.
10393 * tree.h (struct tree_memory_tag): Remove parent_var.
10394 (struct tree_struct_field_tag): New.
10397 (union tree_node): Add sft member.
10398 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10400 (create_sft): Add size and offset argument, set SFT_OFFSET and
10402 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10403 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10404 * tree-flow-inline.h (get_subvar_at): Update for
10405 SFT_OFFSET/SFT_SIZE.
10406 (var_can_have_subvars): Ditto.
10407 (overlap_subvar): Ditto.
10408 * print-tree.c (print_node): Print out interesting things for
10410 * tree-flow.h (struct subvar): Remove offset and size members.
10411 * tree-ssa-operands.c (get_expr_operands): Update for
10412 get_indirect_ref_operands changes.
10413 (get_indirect_ref_operands): Call add_virtual_operand instead of
10414 add_stmt_operand. Only recurse on base var if requested.
10415 (access_can_touch_variable): New function.
10416 (add_stmt_operand): Split virtual operand handling into ...
10417 (add_virtual_operand): Here. Add offset, size, and for_clobber
10418 arguments. Prune alias sets.
10419 (add_call_clobber_ops): Call add_virtual_operand.
10421 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10423 PR middle-end/26300
10424 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10426 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10427 than TREE_CODE as index into omp_clause_num_ops array.
10429 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10431 PR rtl-optimization/26184
10432 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10434 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10435 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10436 must_precede, must_follow and tobe_scheduled.
10439 * opts.c (common_handle_option): Free new_option pointer.
10440 * df-core.c (df_analyze): Free postorder pointer.
10442 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10444 * Makefile.in: Fix the examples about the use of stamps
10446 2006-02-15 Michael Matz <matz@suse.de>
10448 PR middle-end/22275
10450 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10451 influenced by maximum_field_alignment or DECL_PACKED.
10452 (update_alignment_for_field): Ditto.
10453 (place_field): Ditto.
10454 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10457 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10459 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10460 (debug_flow_info): Pass it.
10461 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10462 * bb-reorder.c (reorder_basic_blocks): Likewise.
10463 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10464 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10465 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10466 * gcse.c (gcse_main, bypass_jumps): Likewise.
10467 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10468 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10469 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10470 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10471 * rtl.h (dump_flow_info): Adjust prototype.
10472 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10473 * var-tracking.c (variable_tracking_main): Likewise.
10474 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10475 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10478 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10480 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10483 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10485 PR tree-optimization/26209
10486 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10487 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10489 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10491 2006-02-14 Roger Sayle <roger@eyesopen.com>
10493 PR middle-end/23670
10494 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10495 (X,Y) and the corresponding symmetry related transformations.
10496 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10497 (X,Y) and its symmetry related transformations.
10499 2006-02-14 Roger Sayle <roger@eyesopen.com>
10501 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10504 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10506 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10508 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10511 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10512 support COMDAT group.
10513 * configure: Regenerate.
10515 2006-02-14 Roger Sayle <roger@eyesopen.com>
10517 PR middle-end/26279
10518 PR middle-end/26280
10519 PR middle-end/26283
10520 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10522 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10524 Fix PR tree-optimization/26260
10526 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10528 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10529 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10530 * tree-ssa-structalias.c (create_variable_info_for): Use
10531 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10533 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10535 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10537 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10538 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10539 of the ending condition.
10540 * tree-ssa-loop-manip.c: Include params.h.
10541 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10542 tree_unroll_loop): New functions.
10543 * tree-pass.h (pass_loop_prefetch): Declare.
10544 * loop.c (rest_of_handle_loop_optimize): Test for
10545 -fprefetch-loop-arrays-rtl.
10546 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10547 * timevar.def (TV_TREE_PREFETCH): New timevar.
10548 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10549 pass_loop_prefetch): New.
10550 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10551 (cleanup_tree_cfg_loop): Call scev_reset.
10552 * common.opt (fprefetch-loop-arrays-rtl): Add.
10553 * tree-ssa-loop-prefetch.c: New file.
10554 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10555 (new_temp_expr_table): Initialize expr_vars.
10556 (free_temp_expr_table): Cleanup expr_vars.
10557 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10558 expressions from being merged into one.
10559 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10560 (struct tree_niter_desc): Add control, bound and cmp fields.
10561 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10563 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10564 (tree-cfgcleanup.o): Add SCEV_H dependency.
10565 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10566 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10568 2006-02-14 Richard Guenther <rguenther@suse.de>
10570 PR tree-optimization/26258
10571 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10572 in PHI argument processing.
10574 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10576 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10577 new expression in the requested machine mode.
10579 2006-02-13 Roger Sayle <roger@eyesopen.com>
10581 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10582 directly, instead let do_compare_rtx_and_jump handle this for us.
10583 * expr.c (expand_expr_real_1): Likewise.
10584 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10585 before do_jump_by_parts_greater.
10586 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10587 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10589 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10591 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10593 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10595 PR rtl-optimization/26235
10596 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10597 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10600 2006-02-13 Jeff Law <law@redhat.com>
10602 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10605 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10607 PR middle-end/26092
10608 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10609 twice if decl is a builtin. When trying again, call get_callee_fndecl
10610 first to verify it is still a builtin.
10612 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10614 * dwarf2out.c (base_type_die): Don't add AT_name here.
10615 (subrange_type_die): Don't add AT_name here.
10616 (modified_type_die): Rearrange code flow. Do add AT_name here.
10618 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10620 PR rtl-optimization/26247
10621 PR rtl-optimization/26248
10622 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10624 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10626 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10627 * config/fixtfdi.c: Likewise.
10628 * config/fixunstfdi.c: Likewise.
10629 * config/floatditf.c: Likewise.
10631 2006-02-13 Roger Sayle <roger@eyesopen.com>
10633 PR middle-end/24427
10634 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10635 into (X,C2) if C1 is a subset of the bits of C2. Transform
10636 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10638 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10640 2006-02-13 Josh Conner <jconner@apple.com>
10643 * varasm.c (function_section): Check for section name before
10644 calling select_section on targets that define
10645 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10646 unlikely_text_section instead of hot_function_section if
10647 first_function_block_is_cold.
10649 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10651 PR middle-end/25335
10652 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10654 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10656 PR rtl-optimization/26222
10657 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10658 after tree->rtl expansion.
10659 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10660 before passing it to emit_move_insn.
10662 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10664 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10666 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10667 Clarify documentation.
10668 * c-common.h (warn_write_strings): Remove.
10669 * c-common.c (warn_write_strings): Likewise.
10670 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10673 2006-02-12 Roger Sayle <roger@eyesopen.com>
10675 PR middle-end/25724
10676 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10677 (do_jump_parts_zero_rtx): New function renamed from
10678 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10679 (do_jump_parts_equality_rtx): New function split out from
10680 do_jump_parts_equality. Old implementation renamed as above.
10681 Call do_jump_parts_zero_rtx if either operand is zero.
10682 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10683 do all of the heavy lifting.
10684 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10685 calling either do_jump_by_parts_greater_rtx or
10686 do_jump_by_parts_equality_rtx.
10687 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10688 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10689 moved to do_compare_rtx_and_jump, call it directly.
10690 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10691 mode argument. Call do_compare_rtx_and_jump.
10692 (emit_case_nodes): Update calls to do_jump_if_equal.
10694 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10696 PR rtl-optimization/26225
10697 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10699 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10701 PR rtl-optimization/26232
10702 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10704 2006-02-11 Jason Merrill <jason@redhat.com>
10707 * tree-inline.c (declare_return_variable): Just don't use the
10708 modify target if it's a gimple complex reg and the return slot
10711 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10713 * doc/contrib.texi: Update my entry.
10715 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10717 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10719 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10721 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10724 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10726 * doc/invoke.texi (-floop-optimize2): Removed.
10727 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10728 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10729 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10730 * common.opt (floop-optimize2): Removed.
10731 (fmove-loop-invariants): Enabled by default.
10733 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10735 * tree-if-conv.c (combine_blocks): Free the result of
10736 get_loop_exit_edges.
10738 2006-02-10 Jeff Law <law@redhat.com>
10740 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10742 PR tree-optimization/26213
10743 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10744 loop trying to follow SSA_NAME_VALUE chains.
10746 2006-02-10 Richard Guenther <rguenther@suse.de>
10748 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10749 deal with structures that end in implicitly variable sized arrays.
10751 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10753 PR rtl-optimization/24762
10754 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10757 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10759 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10760 (struct ivopts_data): Add regs_used field.
10761 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10762 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10763 instead of loop_data->regs_used;
10764 (free_loop_data): Do not free aux fields for loops.
10765 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10766 and tree_ssa_iv_optimize_finalize.
10768 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10770 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10772 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10775 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10776 computing the effective result type.
10778 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10780 PR inline-asm/16194
10781 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10782 (tree_overlaps_hard_reg_set): Declare.
10783 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10784 type and signature to match function type expected by walk_tree.
10785 (tree_overlaps_hard_reg_set): New function.
10786 (decl_conflicts_with_clobbers_p): Rename to:
10787 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10788 Use tree_overlaps_hard_reg_set. Changed caller.
10789 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10790 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10791 * cris.c (cris_md_asm_clobbers): Likewise.
10793 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10795 * reload1.c (emit_input_reload_insns): Delete code that tries to
10796 inherit using find_equiv_reg.
10798 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10800 * c-common.h (flag_const_strings): Don't declare.
10801 * c-common.c (flag_const_strings): Remove.
10802 * c.opt (fconst_strings): Remove.
10803 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10804 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10805 (c_common_init_options): Don't set flag_const_strings.
10806 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10808 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10810 * arm.md (tlobits_cbranch): New pattern.
10811 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10812 testing a single bit.
10814 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10817 * tree-ssa-pre.c (create_component_ref_by_pieces):
10818 Handle RETURN_DECL like VAR_DECL.
10820 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10822 PR middle-end/26134
10823 * fold-const.c (fold_indirect_ref_1): Fold
10824 "*(foo *)&complexfoo" to "__real__ complexfoo"
10825 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10827 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10829 * tree-flow-inline.h (var_can_have_subvars):
10830 Volatile variables should not have subvariables.
10832 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10835 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10836 multiplying unsigned values.
10839 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10841 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10843 2006-02-08 Jason Merrill <jason@redhat.com>
10846 * tree.def: Elaborate on difference from MODIFY_EXPR.
10847 * doc/c-tree.texi (INIT_EXPR): Likewise.
10848 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10849 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10850 (gimplify_target_expr): Likewise.
10851 (gimplify_cond_expr): Remove target handling.
10852 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10853 (gimplify_expr): Clobber it here.
10854 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10855 Do return slot optimization if we have an INIT_EXPR.
10858 * tree-inline.c (declare_return_variable): Also clear
10859 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10862 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10864 PR middle-end/22439
10865 * gimplify.c (gimplify_one_sizepos): Fix typo.
10867 2006-02-08 Jeff Law <law@redhat.com>
10869 PR tree-optimization/21417
10870 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10871 across a backedge if the control statement at the end of the
10872 block is data dependent on other statements in the same block.
10873 (record_temporary_equivalences_from_stmts): Remove over-conservative
10874 test for threading across backedges.
10876 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10877 control statement, handle all three special cases in the same
10878 manner as they all have the same desired solution. No longer
10879 special case edge flag updating when the post dominator is
10882 2006-02-08 Roger Sayle <roger@eyesopen.com>
10884 * tree.def (CHAR_TYPE): Remove.
10885 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10886 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10887 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10888 (gen_string_type_die): Delete unreachable function.
10890 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10891 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10892 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10893 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10894 * builtins.c (type_to_class): Likewise.
10895 * fold-const.c (fold_convert, build_range_check,
10896 merge_ranges): Likewise.
10897 * expr.c (count_type_elements): Likewise.
10898 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10899 * stor-layout.c (layout_type): Likewise.
10900 * ipa-type-escape.c (type_to_consider): Likewise.
10901 * gimplify.c (omp_firstprivatize_type_sizes,
10902 gimplify_type_sizes): Likewise.
10903 * explow.c (promote_mode): Likewise.
10904 * tree-sra.c (is_sra_scalar_type): Likewise.
10905 * varasm.c (output_constant): Likewise.
10906 * tree-inline.c (remap_type_1): Likewise.
10907 * convert.c (convert_to_pointer, convert_to_real,
10908 convert_to_integer, convert_to_complex): Likewise.
10910 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10912 * df-scan.c (df_def_record_1): A set destination may
10913 be a parallel regardless of mode.
10915 2006-02-08 Roger Sayle <roger@eyesopen.com>
10918 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10919 * config/mips/_tilib.c: Remove.
10920 * config/fixtfdi.c: New libgcc source file.
10921 * config/fixunstfdi.c: New source file.
10922 * config/floatditf.c: New source file.
10923 * config/floatunditf.c: New souce file.
10924 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10925 files above instead of config/mips/_tilib.c.
10926 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10928 2006-02-08 Jeff Law <law@redhat.com>
10930 PR tree-optimization/26169
10931 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10934 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10936 * df.h (DF_REG_SIZE): Return the length of the initialized
10939 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10941 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10942 __muldf3): Return a correctly signed zero.
10944 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10946 * passes.c (register_one_dump_file): Accept the current properties
10947 instead of pass number. Adjust call to dump_register. Remove
10949 (register_dump_files): Now a wrapper around...
10950 (register_dump_files_1): ... this one. Do not modify the pass
10952 (next_pass_1): Cosmetic fix.
10953 (execute_todo): Keep second parameter only. Use curr_properties
10954 instead of fetching it from the pass structure. Check and set
10956 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10957 instead of fetching it from the pass structure. Fix calls to
10958 execute_todo. Update curr_properties and initialize .vcg RTL dump
10959 after running the pass. Reset last_verified.
10960 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10962 (FIRST_AUTO_NUMBERED_DUMP): New.
10963 (dump_register): Remove "num" parameter, assign it within the
10965 (get_dump_file_name): Modify template for dumps.
10966 * tree-dump.h (dump_register): Adjust prototype.
10967 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10968 (PROP_trees): Add PROP_gimple_lomp.
10969 (TODO_set_props): New.
10970 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10971 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10972 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10974 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10976 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10977 (sparc64-*-linux*): Likewise.
10978 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10979 * config/sparc/t-linux: New file.
10980 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10981 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10982 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10983 -m32 -mlong-double-128.
10985 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10986 * config/alpha/t-linux: New file.
10987 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10989 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10990 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10991 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10992 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10993 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10994 (CPP_ARCH32_SPEC): Remove.
10996 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10998 PR tree-optimization/26145
10999 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11002 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11005 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11006 >= 240000 when generating code for SOM runtime.
11007 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11008 to $$dyncall when generating code for SOM runtime..
11010 2006-02-07 Dirk Mueller <dmueller@suse.com>
11013 * doc/invoke.texi (-Wsequence-point): Update documentation
11014 that -Wsequence-point is implemented for C++ as well.
11016 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11018 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11019 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11020 (LIB_SPEC): Likewise.
11021 * doc/invoke.texi (SPARC options): Document -pthread.
11023 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11025 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11028 2006-02-07 Roger Sayle <roger@eyesopen.com>
11030 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11031 Correct comment describing BOOLEAN_TYPE.
11033 2006-02-07 Dirk Mueller <dmueller@suse.com>
11035 * c.opt: C++ frontend supports -Wdiv-by-zero.
11036 * c-opts.c (c_common_handle_option): Remove dead case.
11038 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11040 * configure.ac (TLS assembler check): Do not enable TLS by
11041 default on SPARC/Solaris before version 10.
11042 * configure: Regenerate.
11044 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11046 * doc/invoke.texi (xl-compat): Document conversion and support
11049 2006-02-07 Jeff Law <law@redhat.com>
11051 * tree-vrp.c (find_conditional_asserts): Update comments.
11052 (simplify_stmt_for_jump_threading): New.
11053 (identify_jump_threads, finalize_jump_threads): New.
11054 (vrp_finalize): Call identify_jump_threads.
11055 (execute_vrp): Call finalize_jump_threads.
11056 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11057 (vrp_element, vrp_data, vrp_element_p): Remove.
11058 (vrp_hash_elt, vrp_variables_stack): Remove.
11059 (vrp_hash, vrp_eq, record_range): Remove.
11060 (simplify_cond_and_lookup_avail_expr): Remove.
11061 (extract_range_from_cond): Remove.
11062 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11063 (simplify_stmt_for_jump_threading): New.
11064 (dom_thread_across_edge): New wrapper.
11065 (tree_ssa_dominator_optimize): No longer initialize or
11066 finalize any of the VRP datastructures. Remove iteration
11067 step and simplify as a result of removal of iteration step.
11068 (pass_dominator): Perform a cfg cleanup after DOM.
11069 (dom_opt_finalize_block): Use the new common routines
11070 for threading jumps. Simplify stack management slightly.
11071 No longer need to unwind VRP state.
11072 (record_equivalences_from_incoming_edge): No longer record
11074 (eliminate_redundant_computations): No longer call
11075 simplify_cond_and_lookup_avail_expr.
11076 * tree-flow.h (potentially_threadable_block): Prototype.
11077 (thread_across_edge): Likewise.
11078 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11079 (tree-ssa-threadedge.o): Add dependencies.
11080 * tree-ssa-threadedge.c: New file.
11081 * passes.c (init_optimization_passes): Merge PHIs before
11082 calling VRP. Run VRP again late in the SSA optimization pipeline.
11084 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11086 * df-core.c (df_set_blocks): Do not dereference function pointers.
11087 (df_finish1): Likewise.
11088 (df_hybrid_search_forward): Likewise.
11089 (df_hybrid_search_backward): Likewise.
11090 (df_iterative_dataflow): Likewise.
11091 (df_analyze_problem): Likewise.
11092 (df_compact_blocks): Likewise.
11093 (df_dump): Likewise.
11094 * df-scan.c (df_rescan_blocks): Likewise.
11095 (df_record_entry_block_defs): Likewise.
11097 * genconditions.c (write_conditions): Guard the definition of
11098 'insn_conditions' with the check on GCC version.
11099 (write_writer): Guard the traversal 'insn_conditions' with
11100 the check on GCC version.
11102 2006-02-07 Richard Guenther <rguenther@suse.de>
11106 2006-01-30 Richard Guenther <rguenther@suse.de>
11108 * gimplify.c (gimplify_target_expr): Handle easy cases
11109 without creating a temporary.
11111 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11113 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11114 use of float in probability computations. Use edge probabilities
11115 in place of statically computed probabilities.
11116 (min_spec_prob): New static variable.
11117 (schedule_insns): Initialize it.
11118 (GET_SRC_PROB): Removed.
11119 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11121 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11124 * config/ia64/unwind-ia64.c: Revert last change.
11125 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11126 (INCOMING_FRAME_SP_OFFSET): Define.
11128 2006-02-06 Roger Sayle <roger@eyesopen.com>
11130 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11132 2006-02-07 Ben Elliston <bje@au.ibm.com>
11134 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11135 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11136 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11137 (ix86_return_in_memory): Handle TDmode.
11138 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11139 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11141 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11143 * reorg.c (dbr_schedule): Use dump_file instead of file.
11145 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11148 * config/ia64/predicates.md (extr_len_operand): New predicate.
11149 * config/ia64/ia64.md (extv): Tighten constraints.
11151 (*tbit_and_2): Ditto.
11152 (*tbit_and_3): Ditto.
11153 (*tbit_or_2): Ditto.
11154 (*tbit_or_3): Ditto.
11155 (*bit_zero): Ditto.
11158 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11161 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11163 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11165 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11166 loop_optimizer_init and loop_optimizer_finalize
11167 * tree-ssa-sink.c (execute_sink_code): Ditto.
11168 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11169 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11170 tree_ssa_loop_done): Ditto.
11171 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11172 * sched-ebb.c: Include output.h.
11173 (schedule_ebbs): Do not use dump argument.
11174 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11175 * loop.c (loop_dump_stream): Removed.
11176 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11178 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11179 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11180 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11181 loop_iterations, strength_reduce, record_biv, record_giv,
11182 final_giv_value, check_final_value, check_ext_dependent_givs,
11183 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11184 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11185 dump_file instead of loop_dump_stream.
11186 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11187 argument dump_file.
11188 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11190 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11191 * haifa-sched.c: Include output.h
11192 (schedule_insns, sched_init): Do not use dump argument.
11193 * mode-switching.c (optimize_mode_switching): Ditto.
11194 * modulo-sched.c (stats_file): Removed.
11195 (print_node_sched_params): Do not call argument dump_file.
11196 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11197 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11199 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11201 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11202 rtl_loop_init, rtl_loop_done): Ditto.
11203 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11204 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11206 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11207 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11208 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11209 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11210 * emit-rtl.c (renumber_insns): Ditto.
11211 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11212 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11213 * regclass.c (regclass): Ditto.
11214 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11215 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11216 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11217 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11219 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11220 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11222 * gcse.c (gcse_file, debug_stderr): Removed.
11223 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11224 rest_of_handle_gcse): Do not use dump argument.
11225 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11226 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11227 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11228 compute_code_hoist_vbeinout, compute_code_hoist_data,
11229 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11230 compute_store_table, build_store_vectors, insert_insn_start_bb,
11231 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11232 store_motion): Use dump_file instead of gcse_file.
11233 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11234 * profile.c (profile_dump_file): Removed.
11235 (branch_prob): Use dump_file instead of profile_dump_file.
11236 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11238 * tree-ssa-copy.c (dump_copy_of): Ditto.
11239 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11240 dump file to life_analysis.
11241 * bt-load.c (branch_target_load_optimize): Ditto.
11242 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11244 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11245 regclass, dbr_schedule): Declaration changed.
11246 * sched-int.h (sched_init): Declaration changed.
11247 * tree-profile.c (tree_profile_dump_file): Removed.
11248 (tree_profile_hooks): Removed profile_dump_file hook.
11249 * rtl-profile (rtl_profile_dump_file): Removed.
11250 (rtl_profile_hooks): emoved profile_dump_file hook.
11251 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11253 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11254 * tree-cfg.c (build_tree_cfg): Ditto.
11255 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11256 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11257 Declaration changed.
11258 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11259 life_analysis and schedule_insns.
11260 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11262 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11264 * config/mips/mips.c (mips_reorg): Ditto.
11265 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11268 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11270 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11271 (s390_mangle_fundamental_type): New.
11272 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11275 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11276 (alpha_mangle_fundamental_type): New.
11277 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11280 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11282 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11284 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11285 (sparc_mangle_fundamental_type): New.
11287 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11289 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11290 (s390x-*-linux*): Likewise.
11291 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11292 * config/s390/t-linux: New file.
11294 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11296 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11297 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11299 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11301 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11302 (ANTIC_SAFE_LOADS): New macro.
11303 (find_or_generate_expression): Add prototype.
11304 (set_contains_value): Allow null set for sake of not always having
11305 to allocate ANTIC_SAFE_LOADS.
11306 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11307 Allow COMPONENT_REF too.
11308 (valid_in_set): Allow COMPONENT_REF.
11309 Check ANTIC_SAFE_LOADS too.
11310 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11311 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11313 (can_PRE_operation): Add COMPONENT_REF.
11314 (create_component_ref_by_pieces): New function.
11315 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11316 (insert_aux): Move AGGREGATE_TYPE_P check here.
11317 (compute_avail): Set bb local stmt uids.
11318 (pass_pre): Use TODO_update_ssa_only_virtuals.
11320 2006-02-06 Ben Elliston <bje@au.ibm.com>
11322 * configure.ac: Unconditionally disable decimal float by default.
11323 * configure: Regenerate.
11325 2006-02-06 Ben Elliston <bje@au.ibm.com>
11327 * read-rtl.c (read_name): Terminate reading on EOF.
11329 2006-02-06 Ben Elliston <bje@au.ibm.com>
11331 * dfp.c (decimal_real_arithmetic): Change second argument type
11332 from int to enum tree_code. Do not always return true, but now
11333 return result of any call to decimal_do helper functions.
11334 * dfp.h (decimal_real_arithmetic): Update prototype.
11336 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11338 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11340 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11343 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11346 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11348 * tree-vrp.c (cfg_loops): Removed.
11349 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11350 Use current_loops instead of cfg_loops. Pass flags to
11351 loop_optimizer_init.
11352 * cfgloopmanip.c (fix_loop_structure): Update only available
11354 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11355 loop_optimizer_init.
11356 * modulo-sched.c (build_loops_structure): Removed.
11357 (sms_schedule): Use loop_optimizer_init.
11358 * loop-init.c (loop_optimizer_init): Use flags to determine
11359 which properties of loops to prepare.
11360 (rtl_loop_init): Pass flags to loop_optimizer_init.
11361 * tree-ssa-sink.c (execute_sink_code): Ditto.
11362 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11363 * tree-ssa-pre.c (init_pre): Ditto.
11364 * cfgloop.h (LOOPS_NORMAL): New.
11365 (loop_optimizer_init): Declaration changed.
11367 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11369 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11370 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11372 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11374 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11376 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11377 * pa/t-pa64: Delete quadlib.c rule.
11378 * pa/x-ada: Revert last change.
11379 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11381 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11383 PR rtl-optimization/26087
11384 * rtlanal.c (canonicalize_condition): Do not cross basic block
11387 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11390 * config/ia64/ia64.c: Include debug.h.
11391 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11392 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11393 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11394 (process_epilogue, process_set, process_for_unwind_directive):
11395 Output unwind info only if requested. Add CFA info if requested.
11396 Add new arguments as needed. Adjust callers.
11397 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11399 (DWARF2_FRAME_INFO): Define to zero.
11400 * config/ia64/unwind-ia64.c: Remove code that compensated for
11401 the CFA offset error fixed above.
11402 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11403 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11404 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11405 -funwind-tables and -fexceptions to enable frame info.
11406 (dwarf2out_frame_init): Define initial CFA even if
11407 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11408 DWARF2_UNWIND_INFO is nonzero, not just defined.
11409 (dwarf2out_frame_finish): Output non-EH call frame info only
11410 if DWARF2_FRAME_INFO is nonzero.
11411 (convert_cfa_to_loc_list,
11412 compute_frame_pointer_to_cfa_displacement): Define even if
11413 unwind info is not supported.
11414 (gen_subprogram_die): Use the above unconditionally. Remove
11415 legacy alternate code.
11416 * toplev.c (compile_file): Compile in call to
11417 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11418 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11420 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11421 Jakub Jelinek <jakub@redhat.com>
11423 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11424 IBM extended float format long double as "g" on powerpc*-linux.
11426 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11429 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11430 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11432 2006-02-03 Jason Merrill <jason@redhat.com>
11435 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11437 PR middle-end/25977
11438 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11439 on the return slot if it's an NRV.
11441 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11443 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11444 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11445 rewrite_use): Do not handle USE_OUTER.
11446 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11447 add_iv_outer_candidates, may_replace_final_value,
11448 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11449 (find_interesting_uses_op): Functionality of
11450 find_interesting_uses_outer_or_nonlin moved here.
11451 (find_interesting_uses_outside): Use find_interesting_uses_op.
11453 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11456 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11458 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11459 Ulrich Weigand <uweigand@de.ibm.com>
11462 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11463 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11464 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11465 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11467 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11468 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11469 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11470 Define secondary reloads for TFmode moves.
11471 (constant_modes): Add TFmode.
11472 (NR_C_MODES): Set to 8.
11473 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11475 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11476 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11477 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11478 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11479 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11480 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11481 (FPR mode macro): Add TFmode.
11482 (DSF mode macro): New.
11483 (<de>, <dee> mode attributes): Removed.
11484 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11485 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11486 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11487 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11488 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11489 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11490 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11491 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11492 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11493 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11494 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11495 "*negabs<mode>2", "sqrt<mode>2"):
11496 Changed <de> to <xde>. R constraint replaced by <Rf>.
11497 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11499 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11500 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11501 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11503 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11504 "extenddftf2", "extendsftf2"): New expanders.
11505 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11506 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11507 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11508 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11510 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11511 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11512 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11513 __floatditf): Add a GCC_4.1.0 symbol version tag.
11514 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11517 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11520 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11521 Use targetm.binds_local_p instead of TREE_PUBLIC.
11523 2006-02-02 Roger Sayle <roger@eyesopen.com>
11525 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11526 on INTEGER_TYPEs to indicate that it denotes a character type.
11527 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11528 signed_char_type_node, unsigned_char_type_node and char_type_node.
11529 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11530 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11531 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11533 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11534 Daniel Berlin <dberlin@dberlin.org>
11536 * tree-tailcall.c (arg_needs_copy_p): New function.
11537 (eliminate_tail_call): Use arg_needs_copy_p.
11538 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11539 (add_virtual_phis): New function.
11541 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11543 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11544 #ignore instead of #scratch for %g7 .register directive.
11546 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11548 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11551 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11553 * flow.c (calculate_global_regs_live): Assert that there aren't any
11556 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11558 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11559 what its name says.
11560 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11561 bsi_after_labels iterator.
11562 * tree-if-conv.c (find_phi_replacement_condition,
11563 replace_phi_with_cond_modify_expr): Likewise.
11564 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11565 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11567 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11569 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11571 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11574 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11575 array after growing it.
11577 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11579 PR middle-end/24901
11580 * fold-const.c (fold_checksum_tree): Change type of buf.
11582 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11584 * reload.c (push_secondary_reload): Initialize t_icode.
11586 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11588 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11589 -msoft-float -mlong-double-128 only issue a warning, but don't
11590 swich to DFmode long double.
11592 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11594 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11595 has a constant equivalent, iterate over equivalents for arg0,
11596 calling simplify_relational_operation and if there's a result
11597 cheaper than X, apply fold_rtx and return the result.
11599 2006-02-01 Jan Hubicka <jh@suse.cz>
11601 * opts.c (no_unit_at_a_time_default): New global variable.
11602 (decode_options): Use it.
11603 * opts.h (no_unit_at_a_time_default): Declare.
11605 2006-02-01 Paul Brook <paul@codesourcery.com>
11607 * function.c (assign_parm_setup_reg): Use function argument promotion
11609 * expr.c (expand_expr_real_1): Use function argument promotion rules
11612 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11614 * gcc.c (process_command): Change j to 'unsigned int'.
11616 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11618 PR middle-end/26001
11619 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11620 Use the corrected index for the character
11621 out of the string constant.
11623 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11625 * mode-switching.c (optimize_mode_switching): Fix size
11626 allocated for bb_info[n_entities].
11628 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11630 * gcc.c (main): Correct type that is allocated for
11631 explicit_link_files.
11633 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11635 * config/s390/s390.c (init_alignment_context): Set
11636 ALIAS_SET_MEMORY_BARRIER on the MEM.
11637 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11639 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11641 PR middle-end/25933
11642 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11644 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11647 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11649 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11650 * regrename.c: Ditto.
11651 * tree-ssa-loop-im.c: Ditto.
11652 * tree-dump.c: Ditto.
11653 * tree-complex.c: Ditto.
11654 * genrecog.c: Ditto.
11655 * tree-ssa-threadupdate.c: Ditto.
11657 * java/class.c: Ditto.
11658 * java/jcf-parse.c: Ditto.
11659 * java/resource.c: Ditto.
11660 * java/except.c: Ditto.
11661 * java/jvspec.c: Ditto.
11662 * java/jcf-write.c: Ditto.
11663 * java/jcf-path.c: Ditto.
11664 * java/gjavah.c: Ditto.
11665 * java/zextract.c: Ditto.
11666 * java/jcf-io.c: Ditto.
11667 * java/jcf.h: Ditto.
11668 * java/buffer.c: Ditto.
11669 * java/lang.c: Ditto.
11670 * java/parse-scan.y: Ditto.
11671 * java/lex.c: Ditto.
11672 * java/lex.h: Ditto.
11673 * cfgloopmanip.c: Ditto.
11674 * postreload-gcse.c: Ditto.
11675 * tree-ssa-loop-manip.c: Ditto.
11676 * postreload.c: Ditto.
11677 * tree-ssa-loop-ch.c: Ditto.
11680 * cppspec.c: Ditto.
11681 * diagnostic.c: Ditto.
11683 * genoutput.c: Ditto.
11685 * cfghooks.c: Ditto.
11686 * cfgloopanal.c: Ditto.
11687 * objc/objc-act.c: Ditto.
11689 * genextract.c: Ditto.
11690 * genautomata.c: Ditto.
11691 * pretty-print.c: Ditto.
11692 * genemit.c: Ditto.
11693 * cgraphunit.c: Ditto.
11695 * df-scan.c: Ditto.
11696 * haifa-sched.c: Ditto.
11697 * dominance.c: Ditto.
11699 * tree-ssa-loop-ivopts.c: Ditto.
11700 * df-core.c: Ditto.
11701 * mode-switching.c: Ditto.
11702 * modulo-sched.c: Ditto.
11704 * ipa-pure-const.c: Ditto.
11706 * fix-header.c: Ditto.
11708 * tree-stdarg.c: Ditto.
11709 * ipa-utils.c: Ditto.
11710 * loop-init.c: Ditto.
11711 * ipa-inline.c: Ditto.
11712 * cfganal.c: Ditto.
11714 * alloc-pool.c: Ditto.
11715 * dwarf2out.c: Ditto.
11717 * genattrtab.c: Ditto.
11718 * tree-ssa-loop-ivcanon.c: Ditto.
11719 * predict.c: Ditto.
11720 * timevar.c: Ditto.
11722 * fortran/gfortranspec.c: Ditto.
11723 * regmove.c: Ditto.
11724 * local-alloc.c: Ditto.
11725 * langhooks.c: Ditto.
11726 * function.c: Ditto.
11727 * tree-vectorizer.c: Ditto.
11729 * ipa-type-escape.c: Ditto.
11731 * tree-if-conv.c: Ditto.
11732 * profile.c: Ditto.
11734 * tree-data-ref.c: Ditto.
11735 * loop-unroll.c: Ditto.
11736 * treelang/treetree.c: Ditto.
11738 * bt-load.c: Ditto.
11739 * ggc-common.c: Ditto.
11741 * coverage.c: Ditto.
11743 * tree-cfgcleanup.c: Ditto.
11744 * tree-ssa-pre.c: Ditto.
11745 * cfgcleanup.c: Ditto.
11746 * loop-invariant.c: Ditto.
11747 * loop-iv.c: Ditto.
11748 * ipa-prop.c: Ditto.
11749 * print-tree.c: Ditto.
11750 * conflict.c: Ditto.
11751 * ggc-page.c: Ditto.
11752 * sched-deps.c: Ditto.
11753 * regclass.c: Ditto.
11754 * tree-object-size.c: Ditto.
11755 * combine.c: Ditto.
11756 * bb-reorder.c: Ditto.
11757 * resource.c: Ditto.
11758 * var-tracking.c: Ditto.
11759 * cfgloop.c: Ditto.
11760 * df-problems.c: Ditto.
11761 * reg-stack.c: Ditto.
11763 * gccspec.c: Ditto.
11764 * sched-rgn.c: Ditto.
11765 * tree-ssa-structalias.c: Ditto.
11766 * tree-ssa-reassoc.c: Ditto.
11767 * config/darwin-c.c: Ditto.
11768 * config/darwin.c: Ditto.
11769 * config/arm/arm.c: Ditto.
11771 * collect2.c: Ditto.
11772 * reload1.c: Ditto.
11774 2006-01-31 Nicolas Pitre <nico@cam.org>
11776 * arm.md (smaxsi3): Make aware of smax_m1.
11779 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11781 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11783 2006-01-31 Richard Guenther <rguenther@suse.de>
11785 * doc/invoke.texi (-msselibm): Document.
11786 * target.h (expand_library_builtin): New target hook.
11787 * builtins.c (expand_builtin): Use expand_library_builtin.
11788 (default_expand_library_builtin): New function.
11789 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11790 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11791 (link_gcc_math_spec): Declare.
11792 (static_specs): Add link_gcc_math_spec.
11793 * expr.h (default_expand_library_builtin): Declare.
11794 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11795 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11796 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11797 * config/i386/i386.opt (msselibm): New target option.
11798 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11799 (ix86_init_sse_abi_builtins): New function.
11800 (ix86_expand_library_builtin): Likewise.
11801 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11802 (override_options): Handle error conditions wrt -msselibm.
11803 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11804 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11805 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11808 2006-01-31 Richard Guenther <rguenther@suse.de>
11809 Paolo Bonzini <bonzini@gnu.org>
11811 * doc/install.texi (--disable-libgcc-math): Document.
11813 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11815 * expr.h (expand_normal): new inline function.
11816 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11817 * dojump.c: use it.
11818 * dwarf2out.c: use it.
11821 * expmed.c: use it.
11822 * except.c: use it.
11823 * config/sparc/sparc.c: use it.
11824 * config/i386/i386.c: use it.
11825 * config/rs6000/rs6000.c: use it.
11826 * config/arm/arm.c: use it.
11827 * config/mips/mips.c: use it.
11828 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11830 2006-01-30 Roger Sayle <roger@eyesopen.com>
11832 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11833 argv to the appropriate type.
11835 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11837 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11840 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11843 * config/s390/s390.c (struct machine_function): New flag
11844 decomposed_literal_pool_addresses_ok_p.
11845 (s390_reorg): Set it before final stage of literal pool transforms.
11846 (s390_decompose_address): Only accept displacements of the form
11847 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11849 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11851 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11852 the comparison routine return.
11854 2006-01-30 Michael Matz <matz@suse.de>
11856 * global.c (find_reg): Only evict for global regs.
11857 Take n_refs into account and dump more info.
11859 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11862 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11863 (pragma_trap, pragma_nosave_low_regs): Likewise.
11864 (current_function_anonymous_args): Likewise.
11865 (sh_deferred_function_attributes): New variable.
11866 (sh_deferred_function_attributes_tail): Likewise.
11867 (print_operand): For '@', look up trap_exit attribute.
11868 (calc_live_regs): Look up trapa_handler attribute. For trapa
11869 handlers, save/restore fpscr, but don't do any other
11870 interrupt-specific saves.
11871 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11872 Fix check for partially saved registers to check for SHmedia.
11873 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11874 (sh_output_function_epilogue): Don't clear any of the removed
11876 (sh_insert_attributes): Don't check pragma_interrupt.
11877 Insert deferred attributes. Check that interrupt attribute is
11878 present for other attributes that require its presence.
11879 (sh_attribute_table): Add new attributes trapa_handler and
11881 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11882 Don't check for pragma_interrupt. Don't store argument.
11883 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11884 (sh_deferred_function_attributes): Declare.
11885 (sh_deferred_function_attributes_tail): Likewise.
11886 * sh.md (sp_switch_1): Add operand. Change generator caller.
11887 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11888 (*return_i): Don't use when trap_exit attribute is in effect.
11889 (*return_trapa): New insn pattern.
11890 * sh-c.c: New file.
11891 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11892 setting c_target_objs and cxx_target_objs.
11893 * t-sh: Add rule for sh-c.o.
11895 2006-01-30 Richard Guenther <rguenther@suse.de>
11898 * gimplify.c (gimplify_target_expr): Handle easy cases
11899 without creating a temporary.
11901 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11903 * vec.h (safe_grow): Remove duplicated line.
11905 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11908 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11909 (expand_omp): ... here.
11910 (expand_omp_parallel): Only remove barriers for combined
11911 parallel+workshare constructs.
11913 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11917 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11918 * tree.c (build_qualified_type): Chain the new type to the original
11919 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11920 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11921 (build_pointer_type_for_mode): Only return unqualified types.
11922 (build_reference_type_for_mode): Likewise.
11924 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11926 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11927 * Makefile.in (CXX_COMPAT_WARN): Define.
11928 * configure: Regenerate.
11930 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11933 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11936 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11938 * toplev.c: Fix thinko.
11940 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11941 Marcin Dalecki <martin@dalecki.de>
11943 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11944 (push_srcloc): Use XNEW.
11945 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11947 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11949 * df-core.c (df_set_blocks): Deleted all variable.
11951 2006-01-28 Ian Lance Taylor <ian@airs.com>
11953 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11954 cgraph_output_pending_asms.
11956 2006-01-28 Zack Weinberg <zackw@panix.com>
11958 * c.opt: Add -W(no-)overlength-strings.
11959 * doc/invoke.texi: Document it.
11960 * c-opts.c (c_common_handle_option): -pedantic implies
11961 -Woverlength-strings, if not explicitly disabled already.
11962 (c_common_post_options): -Woverlength-strings defaults to off, and
11963 is always off for C++.
11964 * c-common.c (fix_string_type): Issue warning about strings longer
11965 than is portable only if warn_overlength_strings. Rearrange code
11966 a little for clarity.
11967 * configure.in: Check for -Wno-overlength-strings as well before
11968 enabling -pedantic in stage 1.
11969 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11970 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11972 * genconditions.c (write_header, write_one_condition)
11973 (write_conditions, write_writer): Consolidate very long strings
11974 that were broken up to fit in C89 portable limit. Don't use
11975 printf when fputs will do.
11977 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11979 * combine.c (simplify_comparison <AND>): Check
11980 TRULY_NOOP_TRUNCATION before start using a subreg.
11982 * config/mips/mips.md (*branch_zero<mode>,
11983 *branch_zero<mode>_inverted, *branch_equality<mode>,
11984 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11985 Remove mode check from comparisons.
11987 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11989 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11991 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11993 * expmed.c (const_mult_add_overflow_p): Remove.
11994 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11996 * recog.c (validate_replace_rtx_subexp): Remove.
11997 * recog.h: Remove the prototype for
11998 validate_replace_rtx_subexp.
12000 * integrate.h: Remove the prototype for
12001 copy_decl_for_inlining.
12002 * rtl.h: Remove the prototype for mark_constant_function.
12003 * tree-vectorizer.h: Remove the prototype for
12004 vect_strip_conversion.
12006 * modulo-sched.c (create_partial_schedule,
12007 free_partial_schedule, reset_partial_schedule): Make them
12010 * hooks.c (hook_bool_rtx_int_false): Remove.
12011 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12013 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12015 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12016 and -mlong-double-128 are incompatible.
12017 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12018 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12019 (TARGET_LIBGCC2_CFLAGS): Define.
12020 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12021 (TARGET_LIBGCC2_CFLAGS): Same.
12022 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12024 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12027 * c-typeck.c (build_binary_op): Perform implicit casts of
12028 operands before shortening them.
12030 * cfgloopmanip.c (split_loop_bb): Remove.
12031 * cfgloop.h: Remove the prototype for split_loop_bb.
12033 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12034 * cfgloop.h: Remove the prototype for
12035 flow_loop_outside_edge_p.
12037 * emit-rtl.c (init_virtual_regs): Make it static.
12038 * function.h: Remove the prototype for init_virtual_regs.
12040 * recog.c (peephole2_optimize): Make it static.
12041 * recog.h: Remove the prototype for peephole2_optimize.
12043 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12045 * df-scan.c (df_record_entry_block_defs): Check if
12046 INCOMING_RETURN_ADDR_RTX is defined.
12048 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12049 Kenneth Zadeck <zadeck@naturalbridge.com>
12051 PR rtl-optimization/24762
12052 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12053 * targhooks.c (hook_void_bitmap): New hook prototype.
12054 * targhoohs.h (hook_void_bitmap): Ditto.
12055 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12056 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12057 * target.h (live_on_entry): New function pointer.
12058 * df-scan.c (df_all_hard_regs): Removed.
12059 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12060 (df_scan_free_internal): Added df->entry_block_defs.
12061 (df_scan_alloc): Ditto.
12062 (df_scan_dump): Ditto.
12063 (df_uses_record): Plumbed flag field properly thru calls.
12064 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12065 This part fixes PR24762.
12066 (df_bb_refs_record): Added code to make the frame and arg
12067 pointers live in EH blocks.
12068 (df_refs_record): Added call to df_record_entry_block_defs.
12069 (df_record_entry_block_defs): New function.
12070 * df-core.c: Added comments to describe new artifical defs.
12071 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12072 (entry_block_defs): New field in struct df.
12073 (df_all_hard_regs): Deleted.
12074 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12075 * df-problems.c (df_ru_bb_local_compute_process_def):
12076 Added code to handle artifical defs in the entry to a function.
12077 (df_ru_bb_local_compute): Ditto.
12078 (df_rd_bb_local_compute_process_def): Ditto.
12079 (df_rd_bb_local_compute): Ditto.
12080 (df_lr_bb_local_compute): Ditto.
12081 (df_ur_bb_local_compute): Ditto.
12082 (df_urec_bb_local_compute): Ditto.
12083 (df_chain_create_bb): Ditto.
12084 (df_ur_local_finalize): Removed entry.
12085 (df_urec_init): Ditto.
12086 (df_urec_local_finalize): Ditto.
12087 (df_ri_bb_compute): Added detection of last use of pseudos.
12088 * Makefile.in (df-scan.o): Updated dependencies.
12089 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12090 * config/mips/mips.c (mips_set_live_on_entry): Added.
12091 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12093 * dce.c (marked_insn_p): Added code to handle artifical defs.
12095 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12097 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12099 (_mm_cvtsi128_si64): Likewise.
12100 (_mm_cvtsd_si64): Likewise.
12101 (_mm_cvttsd_si64): Likewise.
12102 (_mm_cvtsi64_sd): Likewise.
12103 (_mm_cvtsi64_si128): Likewise.
12104 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12105 (_mm_cvtsi64_m64): Likewise.
12106 (_m_to_int64): Likewise.
12107 (_mm_cvtm64_si64): Likewise.
12108 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12109 (_mm_cvttss_si64): Likewise.
12110 (_mm_cvtsi64_ss): Likewise.
12111 (_mm_cvtss_f32): Likewise.
12113 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12115 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12116 for pragma redefine_extname.
12118 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12121 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12122 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12123 -mno-minimal-toc to previous content.
12124 (bispecs): Remove goal.
12125 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12126 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12127 compatibility aliases on powerpc-*-*gnu*.
12128 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12129 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12130 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12131 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12132 (ldblspecs): New goal.
12133 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12134 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12136 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12137 L_sf_to_tf or L_df_to_tf is defined.
12139 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12140 Alan Modra <amodra@bigpond.net.au>
12143 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12144 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12145 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12146 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12147 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12148 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12149 (rs6000_override_options): Initialize rs6000_ieeequad.
12150 Initialize TFmode format to ibm_extended_format if not
12152 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12154 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12155 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12156 (function_arg_advance): IBM long double passed in two FPRs, not
12158 (function_arg): IBM long double passed in FPRs.
12159 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12160 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12161 Only multireg GPR aligned.
12162 (rs6000_init_libfuncs): Enable IBM long double functions if not
12164 (rs6000_generate_compare): Use IBM long double compare if not
12166 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12167 (TARGET_IEEEQUAD): Define.
12168 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12169 not TARGET_IEEEQUAD.
12170 * config/rs6000/rs6000.md: Enable TFmode patterns if
12172 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12173 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12174 and -mlong-double-128 are incompatible.
12175 * doc/invoke.texi (-mabi): Collect options together. Add
12176 ibmlongdouble and ieeelongdouble.
12178 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12180 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12182 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12183 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12184 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12185 * rtl.h (rtunion_def): Remove rt_ptr.
12187 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12188 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12189 * config/i386/winnt.c (i386_pe_mark_dllexport)
12190 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12192 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12194 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12196 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12200 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12201 pthread_key_delete. From John David Anglin. gthrw-ify
12202 pthread_getunique_np only if it it's not a macro. Delete
12204 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12205 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12206 __gthread_objc_condition_signal, __gthread_key_delete): Add
12207 "__attribute__ ((__unused__))" to unused arguments.
12208 (__gthread_recursive_mutex_init_function): Add missing return.
12209 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12210 gthr-posix95.h: Use macro-based approach for name redirection
12211 on targets missing weakref.
12213 2006-01-26 Zack Weinberg <zackw@panix.com>
12215 * genconditions.c (write_header): In generated code, #ifdef out
12216 all includes and fake declarations, except includes of bconfig.h
12217 and system.h, unless GCC_VERSION >= 3001. Do not include
12218 gensupport.h in any case.
12219 (write_conditions): Generate a definition of struct c_test. Add
12220 a comment to the generated #endif.
12221 (write_one_condition): Escape backslashes in string too.
12222 (write_writer): Generated code must escape backslashes and quote
12223 marks (but not newlines) in the strings it writes.
12224 * Makefile.in (build/gencondmd.o): Update dependencies.
12226 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12229 * Makefile.in (insn-automata.o): Add header file dependencies.
12230 * genautomata.c: Add includes.
12232 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12235 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12237 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12239 * configure.ac: Expect target tools paths to be passed from the toplevel
12240 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12242 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12244 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12247 * c.opt (Wpointer-sign): Init to -1.
12248 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12249 OPT_pedantic, to 0 otherwise.
12250 * doc/invoke.texi: Update.
12252 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12254 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12255 constants provided by 80387 instructions in the destination mode.
12257 2006-01-26 Richard Guenther <rguenther@suse.de>
12258 Andrew Pinski <pinskia@physics.uc.edu>
12261 partial PR tree-opt/17064
12262 * tree-ssa-structalias.c (intra_create_variable_infos):
12263 Create heap variables for incoming parameters if
12264 flag_argument_noalias > 1.
12265 (find_what_p_points_to): Look through default defs of
12268 2006-01-26 Jeff Law <law@redhat.com>
12271 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12272 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12273 within the VR_RANGE, use the VR_RANGE as the result, not the
12275 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12276 bounds for the type.
12278 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12280 * tree-ssa-alias.c (maybe_create_global_var): Change
12281 subvar walking to an assertion that we don't have subvar'd variables.
12283 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12286 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12287 Use a new variable, inner. PARM_DECLs are always non-weak.
12289 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12291 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12292 --disable-checking.
12294 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12296 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12298 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12300 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12301 (smax_insn, smin_insn, smax_0, smin_0): New.
12303 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12306 * config/cris/cris.c (cris_order_for_addsi3): New function.
12307 * config/cris/cris-protos.h: Prototype it.
12308 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12309 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12310 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12311 (split for "op.S1 [rx=rx+i],ry (swapped)")
12312 (split for "op(s|u).S1 [rx=rx+i],ry")
12313 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12314 Apply cris_order_for_addsi3 when generating addsi3 insns.
12316 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12318 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12319 (TREE_BLOCK): Add call to EXPR_CHECK.
12321 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12324 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12325 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12326 (dump_omp_clauses): ... here.
12327 (dump_generic_node): Handle OMP_CLAUSE.
12328 * tree.c (omp_clause_num_ops): New.
12329 (omp_clause_code_name): New.
12330 (tree_code_size): Handle OMP_CLAUSE.
12331 (tree_size): Likewise.
12332 (make_node): Document handling of OMP_CLAUSE.
12333 (tree_node_structure): Handle OMP_CLAUSE.
12334 (omp_clause_check_failed): New.
12335 (omp_clause_range_check_failed): New.
12336 (omp_clause_operand_check_failed): New.
12337 (build_omp_clause): New.
12338 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12339 * tree.h (enum omp_clause_code): Declare.
12340 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12341 (OMP_CLAUSE_RANGE_CHECK): Define.
12342 (OMP_CLAUSE_ELT_CHECK): Define.
12343 (omp_clause_check_failed): Declare.
12344 (omp_clause_operand_check_failed): Declare.
12345 (omp_clause_range_check_failed): Declare.
12346 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12347 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12348 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12349 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12350 (OMP_CLAUSE_IF_EXPR): Likewise.
12351 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12352 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12353 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12354 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12355 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12356 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12357 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12358 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12359 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12360 (OMP_CLAUSE_CODE): Define.
12361 (OMP_CLAUSE_SET_CODE): Define.
12362 (OMP_CLAUSE_CODE): Define.
12363 (OMP_CLAUSE_OPERAND): Define.
12364 (struct tree_omp_clause): Declare.
12365 (union tree_node): Add field 'omp_clause'.
12366 * treestruct.def (TS_OMP_CLAUSE): Define.
12367 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12368 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12369 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12370 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12371 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12372 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12373 (OMP_CLAUSE): Define.
12374 * print-tree.c (print_node): Handle OMP_CLAUSE.
12375 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12376 * c-typeck.c: Likewise.
12377 * gimplify.c: Likewise.
12378 * c-omp.c: Likewise.
12379 * tree-nested.c: Likewise.
12380 * tree-inline.c: Likewise.
12381 * c-parser.c: Likewise.
12382 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12385 2006-01-25 Roger Sayle <roger@eyesopen.com>
12387 PR rtl-optimization/25703
12388 * combine.c (try_combine): Handle zero_extract and strict_low_part
12389 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12391 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12393 * global.c: Fix comment typos.
12395 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12398 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12399 Use output_addr_const instead of assemble_name.
12401 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12403 * Makefile.in (sched-vis.o): Update dependencies.
12404 * haifa-sched.c (sched_finish): Clear current_sched_info.
12405 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12406 (dump_flow_info): Call it.
12407 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12409 * basic-block.h (dump_bb_info): Declare.
12410 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12411 option, and apply options only for dump files whose TDF_RTL,
12412 TDF_TREE, or TDF_IPA bits match.
12413 * rtl.h: Declare new functions exported from sched-vis.c.
12414 * sched-vis.c: Enable also if scheduling is not used.
12415 (print_value): Print the mode of registers if not inside scheduling.
12416 (print_insn): Make it work outside the scheduler. Beautify the output
12418 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12420 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12422 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12423 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12424 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12425 depending on the value of CONSTANT_POOL_ADDRESS_P.
12426 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12428 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12429 rather than SYMBOL_REF_DECL.
12430 (rtx_constant_pool): Remove const_rtx_sym_htab.
12431 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12432 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12433 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12434 Remove handling of const_rtx_sym_htab.
12435 (find_pool_constant): Delete.
12436 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12437 rather than find_pool_constant.
12438 (get_pool_constant_for_function): Delete.
12439 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12440 find_pool_constant.
12441 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12442 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12443 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12444 (SYMBOL_REF_CONSTANT): New macro.
12445 (get_pool_constant_for_function): Delete.
12446 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12447 rather than SYMBOL_REF_DECL.
12448 (i386_pe_mark_dllimport): Likewise.
12449 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12450 rather than SYMBOL_REF_DECL.
12451 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12452 (machopic_indirect_call_target): Likewise.
12454 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12456 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12458 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12460 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12462 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12464 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12466 2006-01-24 David Daney <ddaney@avtrex.com>
12469 * configure.ac (enable_tls): New enable option.
12470 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12471 * configure: Regenerate.
12472 * doc/install.texi (--enable-tls): Document new option.
12473 (--disable-tls): Ditto.
12475 2006-01-24 Richard Henderson <rth@redehat.com>
12477 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12478 * alias.c (true_dependence): Respect it.
12479 (canon_true_dependence, write_dependence_p): Likewise.
12480 * builtins.c (get_builtin_sync_mem): Set it.
12482 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12484 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12487 2006-01-24 DJ Delorie <dj@redhat.com>
12489 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12490 for storing constants in single-bit bitfields.
12492 2006-01-25 Ben Elliston <bje@au.ibm.com>
12494 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12496 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12499 * tree-ssa-pre.c (phi_translate): Return NULL
12500 for AGGREGATE_TYPE's.
12502 2006-01-24 Zack Weinberg <zackw@panix.com>
12504 * genautomata.c (process_state_for_insn_equiv_partition):
12505 Use xcalloc for insn_arcs_array.
12506 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12507 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12509 2006-01-24 Richard Henderson <rth@redhat.com>
12511 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12512 update all callers.
12514 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12516 PR rtl-optimization/25890
12517 PR rtl-optimization/25905
12518 * combine.c (expand_compound_operation, expand_field_assignment):
12519 Fail if the bitfield's final position is out of bounds.
12521 2006-01-24 Ian Lance Taylor <ian@airs.com>
12523 PR middle-end/25930
12524 * cgraphunit.c (cgraph_output_in_order): Don't clear
12525 cgraph_asm_nodes until after asm strings have been output.
12527 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12529 * fix-header.c (read_scan_file): Add new parameter imultilib when
12530 calling register_include_chains.
12532 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12534 * omp-low.c: Update documentation.
12536 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12537 Daniel Berlin <dberlin@dberlin.org>
12541 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12542 return from the function.
12544 2006-01-22 Zack Weinberg <zackw@panix.com>
12546 * rtl.def (match_code): Add second argument.
12547 * genpreds.c (write_extract_subexp): New function.
12548 (write_match_code): Add path argument. Use write_extract_subexp.
12549 (write_predicate_expr): Pass path to write_match_code.
12550 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12551 not perform a mode test.
12552 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12553 a subexpression does not constrain the top-level code set.
12554 * read-rtl.c (read_rtx_variadic): New function.
12555 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12556 * doc/md.texi: Document new notation.
12557 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12558 (cmpsi_operand): ... here, using new notation.
12560 2006-01-22 Zack Weinberg <zackw@panix.com>
12562 * varray.c: Remove GENERATOR_FILE #ifdefs.
12564 2006-01-22 Zack Weinberg <zackw@panix.com>
12566 * genautomata.c (output_reserved_units_table): Emit nothing if
12567 description->query_units_num is zero. Remove extra blank line.
12568 (output_cpu_unit_reservation_p): Short circuit
12569 if description->query_units_num is zero.
12571 2006-01-22 Zack Weinberg <zackw@panix.com>
12573 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12574 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12575 nor any of the random handful of variables that used to be necessary
12576 when this program was linked with rtlanal.o. Prune set of forward
12577 function declarations.
12578 (struct attr_desc): Remove static_p field.
12579 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12580 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12581 (attr_string): Do not read the character one past the length of
12583 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12584 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12585 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12586 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12587 (make_automaton_attrs): New.
12588 (main): Do not call into genautomata. Call local gen_bypass
12589 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12590 Remove special case for insn_alts.
12591 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12592 varray.h (leftover from previous change). Prune set of forward
12593 function declarations. Remove state_alts fields from all
12594 structures. Remove state_alts_table from struct automaton.
12595 Make everything except main static. Do not maintain num_dfa_decls.
12596 Do not maintain state_alts fields of various structures.
12597 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12598 (add_arc): Remove state_alts argument. All callers updated.
12599 (output_reserved_units_table): Emit #ifdef here...
12600 (output_tables): ...not here. Don't generate state_alts tables.
12601 (expand_automata): Don't generate attributes.
12602 (write_automata): Don't generate state_alts functions.
12603 (main): New function.
12604 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12605 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12606 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12607 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12608 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12609 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12610 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12611 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12613 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12614 * genattrtab.h: Delete file.
12615 * Makefile.in (OBJS-common): Add insn-automata.o.
12616 (insn-automata.o): New rule.
12617 (simple_generated_c): Add insn-automata.c.
12618 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12619 (genprogmd): Add automata.
12620 (build/genattrtab): Needs no extra objects nor libraries.
12621 (build/genautomata): Needs build/vec.o and -lm.
12623 2006-01-22 Zack Weinberg <zackw@panix.com>
12625 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12626 (output_dfa_max_issue_rate, locked_states_num): Delete.
12627 (struct automaton): Add locked_states field.
12628 (output_dead_lock_vect): Save number of locked states in
12629 automaton->locked_states. If it is zero, don't print anything.
12630 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12631 (output_internal_dead_lock_func): Only test the dead_lock_vect
12632 for automata that have locked states.
12633 (output_statistics): Always print the number of locked states for
12634 each automaton. Calculate total number of locked states here.
12635 (write_automata): Don't call output_dfa_max_issue_rate.
12636 * genattrtab.c: Define length_unit_log as a const variable.
12637 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12638 max_insn_queue_index const.
12639 * final.c (length_unit_log): Declare const.
12640 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12642 2006-01-22 Zack Weinberg <zackw@panix.com>
12644 * genautomata.c: Include vec.h, not varray.h.
12645 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12646 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12647 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12648 VEC_* macros operating on appropriately typed vectors, or to
12649 malloced arrays when the size is known in advance. Const-ify
12650 many char* variables and function arguments. No functional changes.
12651 * Makefile.in (build/varray.o): Delete rule.
12652 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12653 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12655 2006-01-22 Zack Weinberg <zackw@panix.com>
12657 * gensupport.c: Define get_insn_name and record_insn_name here.
12658 (read_md_rtx): Call record_insn_name as appropriate.
12659 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12660 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12661 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12663 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12664 (BUILD_VARRAY): Delete.
12665 (genprognormal): Rename genprogmd. Fold in all programs from
12666 genprognoprint; also attrtab.
12667 (build/genattrtab): Just mention genautomata.o and varray.o.
12668 Reorganize a bit, add comments to make the categories clearer.
12670 2006-01-22 Zack Weinberg <zackw@panix.com>
12672 * genconditions.c (condition_table, add_condition): Delete.
12673 (write_conditions): Don't emit n_insn_conditions nor
12674 insn_elision_unavailable. Issue the gcc version #ifdef here,
12675 inside the table, with no #else clause ...
12676 (write_header): ...not here.
12677 (write_writer): New function.
12678 (main): Don't initialize condition_table. Use add_c_test.
12680 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12681 files on the command line.
12682 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12683 Return -1 if there is no entry in the table, don't abort.
12684 (add_c_test, traverse_c_tests): New functions.
12685 * gensupport.h (insn_elision_unavailable, insn_conditions)
12686 (n_insn_conditions): Delete declarations.
12687 (add_c_test, traverse_c_tests): Declare.
12688 * read-rtl.c: Include gensupport.h.
12689 (read_conditions): New function.
12690 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12691 (read_rtx_1): If we get EOF when we were looking for an initial
12692 open paren, return 0. Call read_conditions when appropriate.
12693 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12694 dummy-conditions.o. Eliminate references to insn-conditions.o,
12695 or change them to build/gencondmd.o, as appropriate. Remove
12696 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12697 from $(simple_generated_c). For all files remaining in those
12698 two lists, add insn-conditions.md to the generator command line.
12699 Give insn-constants.h/s-constants their own rules. Add rules
12700 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12701 (build/read-rtl.o): Depend on gensupport.h.
12702 (genprognormal): Include preds.
12703 (genprogearly): Rename genprognoprint; only difference is now that
12704 they don't link with $(BUILD_PRINT).
12705 * dummy-conditions.c: Delete.
12707 2006-01-22 Zack Weinberg <zackw@panix.com>
12709 * genextract.c: Don't include insn-config.h. Do include vec.h.
12710 Declare vectors of int, char, and locstr.
12711 (locstr): New typedef.
12712 (struct extraction): Make all array fields into bare pointers.
12713 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12714 (insn_code_number): Delete.
12715 (accum_extract): New struct.
12716 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12717 (gen_insn): Take insn_code_number as an argument. Use an
12718 accum_extract structure instead of loading data directly into
12719 a struct extraction, and having to know how big it might get.
12720 (walk_rtx): Operate entirely on an accum_extract structure.
12721 (print_path): Avoid unnecessary use of printf.
12722 (print_header): New function, split out of main. Distinguish
12723 more carefully between an unrecognizable insn and an insn that
12724 has the code number of a define_expand.
12725 (main): Pass insn_code_number to gen_insn. Call print_header
12726 only after parsing. Avoid unnecessary use of printf.
12727 * Makefile.in (build/vec.o): New rule.
12728 (build/genextract): Depend on build/vec.o.
12729 (build/genextract.o): Don't depend on insn-config.h.
12731 2006-01-22 Zack Weinberg <zackw@panix.com>
12733 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12734 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12735 practical. Eliminate per-generator-program link rules.
12737 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12739 PR middle-end/24437
12740 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12741 with a call expr to ...
12742 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12744 2006-01-23 Richard Guenther <rguenther@suse.de>
12746 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12747 before make_edge with conditional EDGE_TRUE_VALUE.
12749 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12750 Jan Hubicka <jh@suse.cz>
12751 Richard Guenther <rguenther@suse.de>
12753 PR rtl-optimization/25654
12754 * cfgexpand.c (aggregate_contains_union_type): New function.
12755 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12756 for structure variables that contain a union type.
12758 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12760 * gengtype.c (new_structure): Return the structure.
12761 (create_option): Add an extra "next" argument.
12762 (create_field): New function.
12763 (adjust_field_rtx_def): Use create_option and create_field.
12764 Remove a now-unnecessary call to find_structure.
12765 (adjust_field_tree_def): Likewise.
12766 (note_yacc_type): Remove an unnecessary call to find_structure.
12767 * gengtype.h (new_structure): Return the structure.
12768 (create_option): Add an extra argument.
12769 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12770 (option): Adjust calls to create_option.
12772 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12774 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12776 2006-01-22 Paul Brook <paul@codesourcery.com>
12777 Peter Barada <peter@the-baradas.com>
12779 * config/m68k/m68k.md: Add Coldfire FPU support.
12780 Define FP mode macro and associated attributes.
12781 Use it for float mode patterns.
12782 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12783 (LIBCALL_VALUE): Use m68k_libcall_value.
12784 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12785 (m68k_function_value): Ditto.
12786 (emit_move_sequence): Ditto.
12787 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12788 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12789 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12790 (MULTILIB_EXCEPTIONS): Ditto.
12791 * config/m68k/m68k.opt: Add mcfv4e.
12792 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12793 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12794 (m68k_output_function_prologue): Save ColdFire FPU registers.
12795 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12796 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12797 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12798 ColdFire FPU registers.
12799 (m68k_libcall_value, m68k_function_value): New functions.
12800 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12801 (LIBCALL_VALUE): Use m68k_libcall_value.
12802 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12803 (MASK_COLDFIRE): Add MASK_CFV4E.
12804 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12805 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12806 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12807 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12808 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12809 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12810 * doc/invoke.tex: Document -mcfv4e on m68k.
12812 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12814 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12817 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12820 * c-opts.c (c_common_handle_option): Don't include
12821 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12822 * doc/invoke.texi (C++ Dialect Options): Document that
12823 -Wnon-virtual-dtor is no longer included in -Wall.
12825 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12827 * gcov.c (print_version), gcov-dump.c (print_version),
12828 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12831 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12833 * df-scan.c (problem_SCAN): Added NULL reset function.
12834 (df_scan_reset_blocks): Added code to call reset block function
12835 (df_bb_refs_delete) Fixed comment.
12836 (df_insn_refs_delete): Made tolerant of deleting non existent info
12837 for dataflow problems that need to be reset.
12838 * df-core.c (df_set_blocks): Ditto.
12839 * df.h (struct df_problem): Added reset_fun.
12840 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12841 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12842 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12843 functions to clear out all references to def-use or use-def chains.
12845 2006-01-21 Ben Elliston <bje@au.ibm.com>
12847 * varasm.c (assemble_real): Initialise data array.
12849 2006-01-20 Paul Brook <paul@codesourcery.com>
12851 Merge from csl-arm-branch.
12852 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12853 * config/arm/arm.md (movdi): Force operands[1] to a register
12854 if we have a non-register source.
12855 (*arm_movdi, *movdf_soft_insn): Require that one of the
12856 operands be a register.
12857 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12858 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12860 2006-01-20 DJ Delorie <dj@redhat.com>
12862 * varasm.c (initializer_constant_valid_p): Allow pointers
12863 initialized from integer constants of lesser precision.
12864 (output_constant): Allow non-int-sized pointer modes to be
12865 initialized from integer constants.
12867 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12870 * cppdefault.h (struct default_include): Add multilib flag.
12871 * cppdefault.c (cpp_include_defaults): Set it.
12872 * c.opt (-imultilib): New option.
12873 * c-opts.c (imultilib): New.
12874 (c_common_handle_option): Handle -imultilib.
12875 (c_common_post_options): Likewise.
12876 * c-incpath.c (add_standard_paths, register_include_chains):
12878 * c-incpath.h (register_include_chains): Add extra parameter.
12879 * gcc.c (do_spec_1): Generate -imultilib option.
12880 (The Specs Language): Update %I description.
12881 (process_command): Update copyright notice.
12882 * doc/cppopts.texi (-imultilib): Document.
12883 * doc/invoke.texi (-imultilib): Include in option summary.
12884 (%I): Update specs documentation.
12886 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12888 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12890 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12892 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12895 2006-01-20 Richard Guenther <rguenther@suse.de>
12896 Steven Bosscher <stevenb.gcc@gmail.com>
12898 PR rtl-optimization/24626
12899 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12900 EDGE_TRUE_VALUE if in RTL mode.
12903 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12904 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12906 2006-01-20 Dirk Mueller <dmueller@suse.com>
12909 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12910 instead of a special NOP marker.
12911 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12912 NOP marker handling.
12913 * c-common.h (empty_body_warning): Add forward declaration.
12914 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12915 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12917 2006-01-20 Paul Brook <paul@codesourcery.com>
12919 * Makefile.in (lang_checks): Keep going if mkdir fails.
12921 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12923 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12924 be able to clean out basic block when not necessary.
12925 (df_scan_free): Fixed to properly delete information if df is
12926 unused before calling df_finish.
12927 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12928 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12930 (df_bb_refs_delete): New function.
12931 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12932 * df-core.c (df_set_blocks): Added code to properly clean out
12933 unused blocks if they are not part of the blocks to consider.
12934 Added additional null check.
12935 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12936 be able to clean out basic block when not necessary
12937 * df.h (df_free_bb_function): Ditto.
12938 (df_bb_refs_delete): New function.
12939 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12940 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12941 basic block parameter to be able to clean out basic block when not
12943 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12944 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12945 Fixed to properly delete information if df is unused before
12948 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12950 PR rtl-optimization/25799
12951 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12952 Corrected confluence operator to remove bits from op2 before oring
12953 with op1 rather than removing bits from op1.
12954 (df_ru_transfer_function): Corrected test on wrong bitmap which
12955 caused infinite loop. Both of these problems were introduced in
12956 the dataflow rewrite.
12958 2006-01-19 DJ Delorie <dj@redhat.com>
12960 * reload1.c (find_reload_regs): Note the details of reload
12961 failures in the dump file.
12962 (spill_failure): Likewise.
12964 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12966 * loop-iv.c: Include df.h and hashtab.h.
12967 (enum iv_grd_result): New enum.
12968 (DF_REF_IV, DF_REF_IV_SET): New macros.
12969 (struct biv_entry): New.
12970 (df, bivs): New global variables.
12971 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12972 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12974 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12975 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12976 analyzed_for_bivness_p, record_biv): New functions.
12977 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12978 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12979 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12981 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12983 (iv_number_of_iterations): Use new interface to iv analysis.
12984 * loop-unroll.c: Do not include varray.h.
12985 (analyze_iv_to_split_insn): Use new interface to iv
12987 * loop-unswitch.c (may_unswitch_on): Ditto.
12988 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12990 (df_bb_modify): Realloc tables to the new index.
12991 (df_find_use): New function.
12992 * df.h (df_find_use): Declare.
12993 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12995 * cfgloop.h (struct rtx_iv): Remove analysed field.
12996 (iv_get_reaching_def): Removed.
12997 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12998 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12999 (loop-iv.o): Add df.h and hashtab.h dependency.
13000 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13002 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13005 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13007 (__floatundisf, __floatundidf): Likewise.
13008 * libgcc2.h (IS_IBM_EXTENDED): Define.
13010 2006-01-19 DJ Delorie <dj@redhat.com>
13012 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13014 2006-01-19 Paul Brook <paul@codesourcery.com>
13016 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13017 as nothrow when unwinding tables are disabled.
13019 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13022 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13023 of bit-field" when in system header.
13025 2006-01-19 DJ Delorie <dj@redhat.com>
13027 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13028 the 16 bit shift limit of the m16c.
13030 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13033 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13034 * config/i386/i386.c (output_set_got): Output the label if we have one
13035 for the TARGET_DEEP_BRANCH_PREDICTION case.
13037 2006-01-19 Jan Hubicka <jh@suse.cz>
13038 H.J. Lu <hongjiu.lu@intel.com>
13039 Evandro Menezes <evandro.menezes@amd.com>
13041 * invoke.texi (generic): Document
13043 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13044 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13045 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13046 (x86_use_incdec, x86_pad_returns): New variables
13047 (TARGET_CPU_DEFAULT_generic): New constant
13048 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13049 (enum processor_type): Add generic32 and generic64.
13050 * i386.md (cpu attribute): Add generic32/generic64
13051 (movhi splitter): Behave sanely when both partial_reg_dependency and
13052 partial_reg_stall are set.
13053 (K8 splitters): Enable for generic as well.
13054 * predicates.md (incdec_operand): Use TARGET_INCDEC
13055 (aligned_operand): Avoid memory mismatch stalls.
13056 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13057 * ppro.md: Enable for generic32
13058 * i386.c (generic64_cost, generic32_cost): New.
13059 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13060 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13061 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13062 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13063 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13064 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13065 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13066 x86_accumulate_outgoing_args, x86_prologue_using_move,
13067 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13068 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13069 Enable for generic.
13070 (x86_use_incdec, x86_pad_returns): New.
13071 (override_options): Add generic32 and generic64, translate "generic"
13072 to generic32/generic64 and "i686" to "generic32", refuse
13073 "generic32"/"generic64" as arch target.
13074 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13075 (ix86_reorg): Honor PAD_RETURNS.
13077 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13079 * tree-pretty-print.c (dump_generic_node): Handle
13080 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13081 * cgraph.c (cgraph_expand_queue): Rename from
13082 cgraph_analyze_queue. Update all users.
13083 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13084 cgraph_expand_queue.
13085 (cgraph_expand_all_functions): Likewise.
13086 (cgraph_finalize_pending_functions): Remove. Update callers.
13088 * tree.h (OMP_DIRECTIVE_P): Define.
13089 (OMP_PARALLEL_FN): Define.
13090 (OMP_PARALLEL_DATA_ARG): Define.
13091 (OMP_SECTIONS_SECTIONS): Define.
13092 * tree-pass.h (pass_expand_omp): Declare.
13093 * omp-low.c (struct omp_region): Declare.
13094 (struct omp_context): Remove fields 'parallel_type',
13095 'parallel_start_ix' and 'parallel_start_additional_args'.
13097 (struct omp_for_data): Rename from struct expand_omp_for_data.
13098 (omp_regions): New static variable.
13099 (root_omp_region): New static variable.
13100 (find_omp_clause): Make static.
13101 (is_in_combined_parallel_ctx): Remove.
13102 (is_combined_parallel): New.
13103 (extract_omp_for_data): Move earlier in the file.
13104 (workshare_safe_to_combine_p): New.
13105 (get_ws_args_for): New.
13106 (determine_parallel_type): Move earlier in the file.
13107 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13109 (omp_copy_decl): Likewise.
13110 (create_omp_child_function): Likewise.
13111 (lookup_omp_region): New.
13112 (dump_omp_region): New.
13113 (debug_omp_region): New.
13114 (debug_all_omp_regions): New.
13115 (new_omp_region): New.
13116 (scan_omp_parallel): If parallel_nesting_level > 1, the
13117 directive is nested within another parallel directive.
13118 Set OMP_PARALLEL_FN.
13119 (scan_omp_for): Do not try to handle combined parallel+for
13121 Remove FIXME comment.
13122 (scan_omp_nested): Remove.
13123 (scan_omp_1): Do not call scan_omp_nested when
13124 parallel_nesting_level is > 1.
13125 Do not change the DECL_CONTEXT of local variables found.
13126 (lookup_decl_in_outer_ctx): New.
13127 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13128 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13129 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13130 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13131 If CTX is nested, lookup VAR in the outer context when
13132 building copy assignment.
13133 (lower_send_clauses): Rename from expand_send_clauses.
13134 If CTX is nested, lookup VAR in the outer context when
13135 building copy assignments.
13136 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13137 If CTX is nested, lookup VAR in the outer context when
13138 building copy assignments.
13139 (expand_parallel_call): Rename from build_parallel_call.
13140 Handle combined parallel+workshare cases.
13141 Re-implement to emit code into the CFG.
13143 (expand_omp_parallel): Re-implement to emit code into the CFG.
13144 Call move_sese_region_to_fn to outline the sub-graph
13145 containing the parallel region.
13146 (expand_omp_for_1): Remove.
13147 (expand_omp_for_generic): Re-implement to emit code into the
13149 (expand_omp_for_static_nochunk): Likewise.
13150 (expand_omp_for_static_chunk): Likewise.
13151 (expand_omp_for): Likewise.
13152 (expand_omp_sections): Likewise.
13153 (remove_exit_barriers): New.
13154 (expand_omp_synch): New.
13156 (build_omp_regions_1): New.
13157 (build_omp_regions): New.
13158 (execute_expand_omp): New.
13159 (gate_expand_omp): New.
13160 (pass_expand_omp): Define.
13161 (lower_omp_sections): Rename from expand_omp_sections.
13162 Set OMP_SECTIONS_SECTIONS.
13163 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13164 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13165 (lower_omp_single): Rename from expand_omp_simple.
13166 (lower_omp_master): Rename from expand_omp_master.
13167 (lower_omp_ordered): Rename from expand_omp_ordered.
13168 (lower_omp_critical): Rename from expand_omp_critical.
13169 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13170 (lower_omp_for): Re-implement.
13171 (lower_omp_parallel): Re-implement.
13172 (lower_regimplify): Rename from expand_regimplify.
13173 (lower_omp_1): Rename from expand_omp_1.
13174 If there are syntax errors in the program, replace every
13175 OpenMP directive with NOP.
13176 Call lower_omp_* instead of expand_omp_*.
13177 (lower_omp): Rename from expand_omp.
13179 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13180 * tree-gimple.h (enum omp_parallel_type): Remove.
13181 (gimple_boolify): Declare extern.
13182 (find_omp_clause, determine_parallel_type): Remove.
13184 * gimple-low.c (lower_omp_directive): New.
13185 (lower_stmt): Call it.
13186 (record_vars_into): Move from ...
13187 (record_vars): ... here.
13188 Call record_vars_into with current_function_decl.
13190 * gimplify.c (struct gimplify_ctx): Remove fields
13191 combined_pre_p and combined_ctxp. Update users.
13192 (get_formal_tmp_var): Add documentation.
13193 (gimple_boolify): Make extern.
13194 (gimplify_expr_in_ctx): Remove. Update callers.
13195 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13196 will always be a BIND_EXPR.
13197 (gimplify_expr): Handle OMP_RETURN_EXPR.
13198 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13199 (OMP_PARALLEL): Add 3 operands.
13200 (OMP_SECTIONS): Add 1 operand.
13201 (OMP_RETURN_EXPR): Define.
13203 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13204 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13205 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13206 creating a circular free list.
13207 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13209 * tree-flow.h (move_sese_region_to_fn): Declare.
13210 (record_vars_into): Declare.
13211 * tree-cfg.c (make_omp_sections_edges): New.
13212 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13213 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13214 OMP_SECTIONS and OMP_SECTION.
13215 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13216 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13217 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13218 (gather_blocks_in_sese_region): New.
13219 (struct move_stmt_d): Declare.
13220 (move_stmt_r): New.
13221 (move_block_to_fn): New.
13222 (move_sese_region_to_fn): New.
13224 * passes.c (init_optimization_passes): Schedule
13225 pass_expand_omp after pass_init_datastructures.
13227 * tree-ssa-operands.c (get_expr_operands): Handle
13228 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13229 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13231 2006-01-19 Jeff Law <law@redhat.com>
13233 * tree-vrp.c (extract_range_from_assert): Refine the result range
13234 if the variable referenced by the ASSERT_EXPR has a range and
13235 either the tentative result range or the previous range is a
13238 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13240 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13242 2006-01-19 Jan Hubicka <jh@suse.cz>
13244 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13246 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13248 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13249 (expand_compound_operation, expand_field_assignment): Fail if the
13250 bit lengths of an extract operation are out of range.
13251 (make_extraction): Compute wanted_inner_mode based on the position
13252 and length of the extraction. Make it extraction_mode for non-constant
13253 positions, and do not modify offset in that case. When generating a
13254 new MEM, use a mode that can hold the extraction while keeping correct
13255 alignment. Remove code that supported MEMs wrapped by USEs.
13256 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13258 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13260 * config/s390/s390.md ("Y", "y"): New mode attribute.
13261 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13262 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13263 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13264 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13265 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13266 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13267 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13268 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13269 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13270 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13271 "addsi3", "subsi3"): Insn patterns removed.
13272 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13273 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13274 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13275 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13276 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13277 "*sub<mode>3_cconly2"): New insn patterns.
13278 ("addsi3", "subsi3"): New expanders.
13280 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13282 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13283 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13284 existing STMT_VINFO_VECTYPE if available.
13285 (vect_mark_relevant): Add special handling for stmts that are
13286 marked as STMT_VINFO_IN_PATTERN_P.
13287 (vect_analyze_loop): Call vect_pattern_recog.
13288 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13289 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13291 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13292 (vect_recog_func_ptr): New function-pointer type.
13293 * tree-vect-patterns.c: New file.
13294 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13295 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13296 (vect_pattern_recog_1): New functions.
13297 (vect_pattern_recog_funcs): New array of function pointers.
13299 * tree-vectorizer.h (ternary_op): New enum value.
13300 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13301 declaration. Revised documentation. Removed redundant dump prints.
13302 Removed redundant argument. Added support for reduction patterns.
13303 (vectorizable_reduction): Added support for reduction patterns.
13304 (vect_transform_stmt): Added support for patterns.
13306 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13307 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13308 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13309 (expand_widen_pattern_expr): New function.
13310 (init_optabs): Initialize new optabs udot_prod_optab,
13312 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13313 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13314 (expand_widen_pattern_expr): New function declaration.
13315 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13317 * tree-inline.c (estimate_num_insns_1): Added cases for new
13318 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13319 * tree-pretty-print.c (dump_generic_node): Likewise.
13320 (op_prio): Likewise.
13321 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13322 * tree-ssa-operands.c (get_expr_operands): Added case for
13324 * tree-vect-patterns.c (widened_name_p): New function.
13325 (vect_recog_dot_prod_pattern): Added function implementation.
13326 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13327 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13328 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13329 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13331 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13332 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13333 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13334 (init_optabs): Initialize new optabs widen_ssum_optab,
13336 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13337 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13338 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13339 use instead of type of def.
13340 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13341 function implementation.
13342 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13343 widen_ssumv8hi): New.
13345 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13348 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13351 * c-decl.c (add_flexible_array_elts_to_size): New function.
13352 (finish_decl): Use it.
13354 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13356 * diagnostic.h: Include options.h.
13357 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13358 dependancies for diagnostic.h.
13359 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13361 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13363 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13364 (ssa_ro_call_cache_valid): Ditto.
13365 * tree-ssa-alias.c (sort_tags_by_id): New function.
13366 (init_transitive_clobber_worklist): Ditto.
13367 (add_to_worklist): Ditto.
13368 (mark_aliases_call_clobbered): Ditto.
13369 (compute_tag_properties): Ditto.
13370 (set_initial_properties): Ditto.
13371 (compute_call_clobbered): Ditto.
13372 (compute_may_aliases): Call compute_call_clobbered and grouping.
13373 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13374 (compute_flow_insensitive_aliasing): Grouping now happens in our
13376 (setup_pointers_and_addressables): Remove clobbering related code.
13377 (add_may_alias): Ditto.
13378 (replace_may_alias): Ditto.
13379 (get_nmt_for): Ditto.
13380 (create_global_var):
13381 (is_escape_site): Return an escape_type enumeration.
13382 * tree-flow-inline.h (is_call_clobbered): Global var does not
13383 imply call clobbered.
13384 (mark_call_clobbered): Take a reason for marking this. Remove
13385 marking of globalness, and cache invalidation.
13386 (clear_call_clobbered): Remove cache invalidation code.
13387 * tree-dfa.c (dump_variable): If details is on, dump the reason
13389 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13391 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13392 (struct var_ann_d): Ditto.
13393 (enum escape_type): New.
13394 (mark_call_clobbered): Adjust prototype.
13395 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13396 are never call clobbered.
13397 Record reasons for escaping.
13398 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13399 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13400 (ssa_ro_call_cache_valid): Ditto.
13401 (clobbered_v_may_defs): Ditto.
13402 (clobbered_vuses): Ditto.
13403 (ro_call_vuses): Ditto.
13404 (clobber_stats): New.
13405 (init_ssa_operands): Zero out clobber stats.
13406 (fini_ssa_operands): Print out clobber stats.
13407 (get_call_expr_operands): Pass callee fndecl to
13408 add_call_read_ops).
13409 (add_call_clobber_ops): Remove use of cache.
13410 Add use of PURE_CONST information.
13411 (add_call_read_ops): Remove use of cache.
13412 Add use of static not_read information.
13414 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13416 Introduce TLS descriptors for i386 and x86_64.
13417 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13418 (TARGET_ANY_GNU_TLS): New macro.
13419 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13420 (struct machine_function): Add tls_descriptor_call_expanded_p.
13421 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13422 (ix86_current_function_calls_tls_descriptor): Likewise.
13423 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13424 (override_options): Introduce gnu2 tls dialect.
13425 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13427 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13429 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13430 (ix86_init_machine_status): Initialize new field.
13431 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13432 (ix86_tls_module_base): New.
13433 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13434 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13435 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13436 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13437 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13438 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13439 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13440 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13441 * config/i386/predicates.md (tls_modbase_operand): New.
13442 (tp_or_register_operand): New.
13444 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13446 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13447 (look_for_address_of): Ditto.
13448 (ipa_init): Walk the function decls.
13449 (static_execute): Don't set readonly on FUNCTION_DECL's.
13451 2006-01-18 Roger Sayle <roger@eyesopen.com>
13453 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13454 for shifts where the source and destination registers are different.
13456 2006-01-18 Paul Brook <paul@codesourcery.com>
13458 Merge from csl-arm-branch.
13459 2005-03-14 Julian Brown <julian@codesourcery.com>
13460 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13461 (aeabi_llsl): Likewise.
13462 (ashrdi3): Likewise.
13463 (aeabi_lasr): Likewise.
13464 (lshrdi3): Likewise.
13465 (aeabi_llsr): Likewise.
13466 2005-03-10 Julian Brown <julian@codesourcery.com>
13467 * config.gcc: Disable shared libgcc for SymbianOS.
13468 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13470 2006-01-18 DJ Delorie <dj@redhat.com>
13472 * c-pragma.c (handle_pragma_diagnostic): New.
13473 (init_pragma): Register it.
13474 * doc/extend.texi: Document it.
13476 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13477 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13478 (diagnostic_context): Add classify_diagnostic[].
13479 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13480 as errors if they're overridden to DK_WARNING.
13481 (diagnostic_initialize): Initialize classify_diagnostic[].
13482 (diagnostic_set_kind_override): New.
13483 (diagnostic_report_diagnostic): Check for kind changes.
13484 * opts.c (common_handle_option): Take lang_mask. Update callers.
13485 Handle OPT_Werror_.
13486 * common.opt (Werror=): New.
13487 * doc/invoke.texi: Document -Werror=*
13489 2006-01-18 Jeff Law <law@redhat.com>
13491 * tree-vrp.c (test_for_singularity): Correct test for new
13492 min limit. Use operand_equal_p rather than pointer equality
13493 for testing if new min/max values are equal.
13495 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13496 using range information until after propagation and folding.
13498 2006-01-18 Richard Henderson <rth@redhat.com>
13499 Aldy Hernandez <aldyh@redhat.com>
13500 Jakub Jelinek <jakub@redhat.com>
13501 Diego Novillo <dnovillo@redhat.com>
13503 * omp-low.c: New file.
13504 * c-omp.c: New file.
13506 2006-01-18 Richard Henderson <rth@redhat.com>
13507 Jakub Jelinek <jakub@redhat.com>
13508 Diego Novillo <dnovillo@redhat.com>
13510 * doc/invoke.texi: Document -fopenmp.
13511 * tree-dump.h (debug_function): Declare.
13512 * hooks.c (hook_bool_tree_bool_false): New function.
13513 (hook_tree_tree_null): Remove.
13514 (hook_tree_tree_tree_null): New.
13515 * hooks.h: Update to match.
13516 * tree-pretty-print.c (debug_tree_chain): New.
13517 (print_generic_expr): Handle TDF_CHAIN.
13518 (dump_generic_node): Handle BLOCK.
13519 Do not abort with incomplete SWITCH_EXPRs.
13520 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13521 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13522 print space after directive name.
13523 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13524 Handle OMP_MASTER and OMP_ORDERED.
13525 Handle printing of OMP_BODY just in one place, goto
13526 dump_omp_body in the rest of OMP_* nodes that have
13528 Don't handle clause nodes here. Update omp statements to
13529 use dump_omp_clauses.
13530 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13531 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13532 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13533 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13534 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13535 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13536 Adjust output for GOMP_PARALLEL.
13537 (dump_omp_clauses): New.
13538 (print_declaration): Dump DECL_VALUE_EXPR.
13539 (op_symbol_1): Split out of op_symbol.
13540 (dumping_stmts): Remove. Update all users.
13541 * cgraph.c (cgraph_analyze_queue): New.
13542 (cgraph_add_new_function): New.
13543 * cgraph.h (cgraph_analyze_queue): Declare.
13544 (cgraph_add_new_function): Declare.
13545 (cgraph_lower_function): Remove.
13546 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13547 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13548 and TYPE_P nodes in its default clause.
13549 (empty_body_p): New.
13550 (tree_range_check_failed): New.
13551 (build5_stat): New.
13552 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13553 OMP_CLAUSE_REDUCTION_MERGE,
13554 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13555 OMP_CLAUSE_PRIVATE_DEBUG,
13556 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13557 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13558 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13559 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13560 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13561 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13562 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13563 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13564 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13565 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13566 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13567 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13568 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13569 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13570 (TREE_RANGE_CHECK): New.
13571 (empty_body_p): Declare.
13572 (enum omp_clause_default_kind): New.
13573 (build_string_literal): Declare.
13574 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13575 (build5_stat, build5): Declare.
13576 * tree-pass.h (TDF_CHAIN): Define.
13577 * tree-pass.h (PROP_gimple_lomp): Define.
13578 (pass_lower_omp): Declare.
13579 * diagnostic.h (debug_tree_chain): Declare.
13580 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13582 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13583 * builtins.c (build_string_literal): Make extern.
13584 * gcc.c (include_spec_function): New.
13585 (static_spec_functions): Add it.
13586 (main): Move load of libgomp.spec ...
13587 (LINK_COMMAND_SPEC): ... here.
13588 (link_gomp_spec): New.
13589 (static_specs): Include it.
13590 (LINK_COMMAND_SPEC): Add link_gomp.
13591 (GOMP_SELF_SPECS): New.
13592 (driver_self_specs): Include it.
13593 (switch_matches): Don't mark inline.
13594 (main): Load libgomp.spec.
13595 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13596 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13597 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13598 * tree-gimple.h (enum omp_parallel): Declare.
13599 (determine_parallel_type): Declare.
13600 (omp_firstprivatize_variable): Declare.
13601 (omp_reduction_init): Declare.
13602 (diagnose_omp_structured_block_errors): Declare.
13603 (struct walk_stmt_info): Add want_return_expr.
13604 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13605 (find_omp_clause): Declare.
13606 (insert_field_into_struct): Declare.
13607 (struct walk_stmt_info): Move from tree-nested.c
13608 (walk_stmts): Declare.
13609 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13611 * cgraphunit.c (cgraph_lower_function): Make static.
13612 (cgraph_finalize_pending_functions): New.
13613 (cgraph_finalize_function): Call it.
13614 (cgraph_finalize_compilation_unit): Likewise.
13615 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13616 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13617 (BT_FN_UINT_UINT): New.
13618 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13619 DEF_FUNCTION_TYPE_VAR_4): Document.
13620 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13621 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13622 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13623 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13624 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13625 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13626 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13627 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13628 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13629 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13630 into separate files.
13631 (DEF_GOMP_BUILTIN): New.
13632 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13633 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13634 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13635 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13636 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13637 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13638 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13639 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13640 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13641 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13642 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13643 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13644 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13645 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13646 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13647 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13648 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13649 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13650 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13651 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13652 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13653 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13654 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13655 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13656 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13657 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13658 * sync-builtins.def: New file, moved from builtins.def.
13659 * omp-builtins.def: New file, moved from builtins.def.
13660 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13661 * gimple-low.c (lower_function_body): Clear data.
13662 (lower_stmt): Do not handle COMPOUND_EXPR.
13663 Remove call to print_node_brief.
13664 * c-tree.h (c_finish_omp_clauses): New prototype.
13665 (C_DECL_THREADPRIVATE_P): Define.
13666 (lookup_name_no_remap, c_omp_remap_private): Remove
13667 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13668 (check_for_loop_decls): Update decl.
13669 (lookup_name_no_remap, c_omp_remap_private): Declare.
13670 (build_indirect_ref, build_modify_expr, pushdecl,
13671 pushdecl_top_level): Move to c-common.h.
13672 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13673 before the switch, but just in the 2 places that need it.
13674 * c-decl.c (diagnose_mismatched_decls): Do not check for
13675 mismatched thread-local attributes when OLDDECL is marked
13676 threadprivate and NEWDECL has no thread-local attributes.
13677 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13678 (c_gimple_diagnostics_recursively): Rename from
13679 c_warn_unused_result_recursively. Invoke
13680 diagnose_omp_structured_block_errors.
13681 (check_for_loop_decls): Return a singular decl found.
13682 * langhooks.c (lhd_omp_predetermined_sharing): Return
13683 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13684 (lhd_omp_firstprivatize_type_sizes): New.
13685 (lhd_omp_assignment): New.
13686 (lhd_omp_predetermined_sharing): New.
13687 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13688 (struct lang_hooks_for_types): Add
13689 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13690 omp_predetermined_sharing, omp_disregard_value_expr,
13691 omp_private_debug_clause, omp_clause_default_ctor,
13692 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13693 (c_finish_omp_clauses): New.
13694 (c_finish_bc_stmt): Diagnose break within omp for.
13695 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13696 (build_unary_op): Return error_mark after reporting
13698 (build_modify_expr): Likewise.
13699 * gimplify.c: Include optabs.h and pointer-set.h.
13700 (enum gimplify_omp_var_data): Declare.
13701 (struct gimplify_omp_ctx): Declare.
13702 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13704 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13705 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13706 (splay_tree_compare_decl_uid): New.
13707 (new_omp_context): New.
13708 (delete_omp_context): New.
13709 (gimple_add_tmp_var): Call omp_add_variable.
13710 (gimplify_bind_expr): Likewise.
13711 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13712 true, disregard DECL_VALUE_EXPR on the decl if any.
13713 (gimplify_expr_in_ctx): New.
13714 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13715 omp_add_variable, omp_notice_variable, omp_is_private
13716 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13717 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13718 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13719 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13720 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13721 gimplify_omp_atomic): New.
13722 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13723 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13724 OMP_CRITICAL and OMP_ATOMIC.
13725 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13726 * c-pragma.h (enum pragma_kind): Add
13727 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13728 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13729 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13730 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13731 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13732 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13733 PRAGMA_OMP_THREADPRIVATE.
13734 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13735 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13736 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13737 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13738 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13739 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13740 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13741 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13742 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13743 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13744 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13745 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13746 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13748 (struct nesting_info): Add field_map,
13749 suppress_expansion, debug_var_chain.
13750 (create_nesting_tree): Initialize them.
13751 (lookup_field_for_decl): Use field_map.
13752 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13753 (convert_local_omp_clauses): New.
13754 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13755 (walk_body): Split out of walk_function.
13756 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13757 (convert_nonlocal_reference): Handle omp statements.
13758 (convert_local_reference): Likewise.
13759 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13760 (unnest_nesting_tree): New.
13761 (lower_nested_functions): Call it.
13762 (insert_field_into_struct): Make extern.
13763 (struct walk_stmt_info): Move to tree-gimple.h.
13764 (walk_stmts): Make extern.
13765 * omp-builtins.def: New file.
13766 * tree-iterator.c (expr_only): Clarify comment.
13767 * c-common.h (pushdecl_top_level, pushdecl,
13768 build_modify_expr, build_indirect_ref,
13769 c_finish_omp_master, c_finish_omp_critical,
13770 c_finish_omp_ordered, c_finish_omp_barrier,
13771 c_finish_omp_atomic, c_finish_omp_flush,
13772 c_finish_omp_for, c_split_parallel_clauses,
13773 omp_clause_default_kind, c_omp_sharing_predetermined,
13774 c_omp_remap_decl): Declare.
13775 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13776 (OBJS-common): Add omp-low.o.
13777 (c-omp.o, omp-low.o): Add.
13778 (gimplify.o): Add dependency on $(OPTABS_H).
13779 (GTFILES): Add omp-low.c.
13780 (gt-stringpool.h): Add.
13781 * tree-cfg.c (set_bb_for_stmt): Do not update the
13782 block-to-labels map if we are currently expanding to RTL.
13783 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13785 Handle IDENTIFIER_NODE.
13786 (tree_verify_flow_info): Do not ICE when emitting error
13787 messages about invalid labels.
13788 (dump_function_to_file): Reset CFUN before emitting the body
13790 (debug_function): New.
13791 * passes.c (init_optimization_passes): Schedule
13793 * langhooks-def.h (lhd_omp_predetermined_sharing,
13794 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13796 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13797 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13798 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13799 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13800 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13801 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13802 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13803 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13804 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13805 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13806 (LANG_HOOK_DECLS): Use them.
13808 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13809 Richard Henderson <rth@redhat.com>
13810 Jakub Jelinek <jakub@redhat.com>
13811 Diego Novillo <dnovillo@redhat.com>
13813 * c-parser.c (pragma_omp_clause): Define.
13814 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13815 (c_parser_compound_statement): Likewise.
13816 (c_parser_statement): Likewise.
13817 (c_parser_pragma): Handle omp pragmas.
13818 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13819 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13820 (c_parser_omp_clause_name, check_no_duplicate_clause,
13821 c_parser_omp_variable_list,
13822 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13823 c_parser_omp_clause_copyprivate,
13824 c_parser_omp_clause_default,
13825 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13826 c_parser_omp_clause_lastprivate,
13827 c_parser_omp_clause_nowait,
13828 c_parser_omp_clause_num_threads,
13829 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13830 c_parser_omp_clause_reduction,
13831 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13832 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13833 c_parser_omp_atomic, c_parser_omp_barrier,
13834 c_parser_omp_critical, c_parser_omp_flush,
13835 c_parser_omp_for_loop, c_parser_omp_for,
13836 c_parser_omp_master, c_parser_omp_ordered,
13837 c_parser_omp_sections_scope, c_parser_omp_sections,
13838 c_parser_omp_parallel, c_parser_omp_single,
13839 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13840 * c-pragma.c (init_pragma): Do omp pragma registration here.
13841 * c.opt (fopenmp): New flag.
13843 2006-01-18 Eric Christopher <echristo@apple.com>
13845 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13846 * config/darwin.h (GOMP_SELF_SPECS): Define.
13848 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13850 * rtl.h: Remove the prototype for reg_alloc.
13852 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13855 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13856 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13857 sjlj and dwarf2 exception handling.
13858 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13859 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13860 * pa/pa.c (function_value): Treat complex and vector types as
13862 (function_arg): Likewise. Only pass scalar floats in the floating
13863 point argument registers.
13864 * pa/t-slibgcc-dwarf-ver: New file.
13865 * pa/t-slibgcc-sjlj-ver: New file.
13866 * pa/t-slibgcc-elf-ver: Delete file.
13868 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13870 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13871 unlikely_test_section_p test.
13873 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13875 * mode-switching.c (optimize_mode_switching): Make it static.
13876 * basic-block.h: Remove the prototype for
13877 optimize_mode_switching.
13879 * modulo-sched.c (sms_schedule): Make it static.
13880 * rtl.h: Remove the prototype for sms_schedule.
13882 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13883 * rtl.h: Remove the prototype for gcse_after_reload_main.
13885 * reg-stack.c (reg_to_stack): Make it static.
13886 * rtl.h: Remove the prototype for reg_to_stack.
13888 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13890 * rtl.h: Remove the prototypes for regrename_optimize and
13891 copyprop_hardreg_forward.
13893 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13895 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13896 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13897 Test against the appropriate null constant for the mode.
13898 If 'fixup_overlap' is true, swap the operands if they overlap.
13899 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13900 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13901 alpha_split_tmode_pair and adjust for above change.
13902 * config/alpha/alpha.md (movtf_internal): Adjust call to
13903 alpha_split_tfmode_pair and rely on it to swap the operands.
13904 (movti_internal): New insn and post-reload splitter.
13905 (movti): New expander.
13907 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13909 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13912 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13914 * rtlanal.c (global_reg_mentioned_p_1,
13915 global_reg_mentioned_p): Remove.
13916 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13918 * flow.c (initialize_uninitialized_subregs): Make it static.
13919 * rtl.h: Remove the prototype for
13920 initialize_uninitialized_subregs.
13922 * function.c (instantiate_virtual_regs): Make it static.
13923 * function.h: Remove the prototype for
13924 instantiate_virtual_regs.
13926 * regmove.c (regmove_optimize, combine_stack_adjustments):
13928 * rtl.h: Remove the prototypes for regmove_optimize and
13929 combine_stack_adjustments.
13931 2006-01-17 Roger Sayle <roger@eyesopen.com>
13933 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13934 (size_cost): Encode costs in bytes so that a reg-reg addition is
13935 equivalent to COSTS_N_INSNS(1).
13936 (override_options): Use the size_cost.branch_cost as the default
13937 ix86_branch_cost when optimizing for size.
13939 2006-01-18 Ben Elliston <bje@au.ibm.com>
13941 * Makefile.in (D32PBIT_FUNCS): New.
13942 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13943 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13944 D64PBIT_FUNCS and D128PBIT_FUNCS.
13945 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13946 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13948 (decnumber_dep): Define.
13949 * doc/libgcc.texi (Decimal float library routines): New node.
13950 * config/dfp-bit.h, config/dfp-bit.c: New files.
13952 2006-01-18 Ben Elliston <bje@au.ibm.com>
13954 * expr.c (emit_move_change_mode): Always adjust addresses, not
13955 just during reload. Copy replacements only during reload.
13956 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13957 emit_move_via_integer.
13959 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13961 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13962 instead of $(srcdir) and ${srcdir}.
13964 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13967 PR middle-end/11135
13968 * arm.h (struct machine_function): Add pic_reg.
13969 * arm.c (arm_pic_register): Make unsigned.
13970 (arm_override_options): Only set arm_pic_register if
13971 TARGET_SINGLE_PIC_BASE.
13972 (use_return_insn): Only test for a pic register if it is fixed.
13973 (arm_compute_save_reg0_reg12_mask): Likewise.
13974 (thumb_compute_save_reg_mask): Likewise.
13975 (legitimate_pic_operand): Factor out some known invariants.
13976 (legitimize_pic_address): If we don't have a fixed pic register,
13977 then set up a pseudo in the function entry sequence. Handle the
13978 pic base being in a pseudo.
13979 (arm_load_pic_register): Handle the pic register being in a pseudo.
13980 (arm_expand_prologue): Only set up the pic register if it is fixed.
13981 (thumb_expand_prologue): Likewise.
13982 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13983 (pic_load_addr_based_insn): Likewise.
13984 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13987 2006-01-18 Ben Elliston <bje@au.ibm.com>
13989 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13990 decimal float modes for all floating point registers.
13992 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13993 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13995 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13998 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13999 even when the pointer is not NULL.
14001 2006-01-16 Ian Lance Taylor <ian@airs.com>
14003 * common.opt (ftoplevel-reorder): New option.
14004 * cgraph.c (cgraph_asm_nodes): New global variable.
14005 (cgraph_asm_last_node): New static variable.
14006 (cgraph_order): New global variable.
14007 (cgraph_create_node): Set new order field.
14008 (cgraph_varpool_node): Likewise.
14009 (decide_is_variable_needed): Return true if not
14010 flag_toplevel_reorder.
14011 (cgraph_add_asm_node): New function.
14012 * cgraph.h (struct cgraph_node): Add order field.
14013 (struct cgraph_varpool_node): Add order field.
14014 (struct cgraph_asm_node): Define.
14015 (cgraph_asm_nodes, cgraph_order): Declare.
14016 (cgraph_add_asm_node): Declare.
14017 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14019 (cgraph_varpool_assemble_pending_decls): Call it.
14020 (cgraph_output_pending_asms): New static function.
14021 (cgraph_finalize_compilation_unit): Call it.
14022 (struct cgraph_order_sort): Define.
14023 (cgraph_output_in_order): New static function.
14024 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14025 !flag_toplevel_reorder case.
14026 * c-parser.c: Include "cgraph.h".
14027 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14029 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14030 than -fno-unit-at-a-time.
14031 * doc/invoke.texi (Option Summary): Mention
14032 -fno-toplevel-reorder.
14033 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14034 -funit-at-a-time documentation.
14036 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14037 Kazu Hirata <kazu@codesourcery.com>
14039 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14041 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14043 * Makefile.in (FUNCTION_H): New. Use it instead of
14044 function.h throughout the file.
14045 * function.h: Include tree.h.
14047 2006-01-17 Ben Elliston <bje@au.ibm.com>
14049 * recog.c: Separate some functions with whitespace.
14051 2006-01-16 Richard Henderson <rth@redhat.com>
14053 Merge from gomp branch:
14054 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14055 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14056 and rename from struct inline_data. Rename callee* to dst*;
14057 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14058 transform_new_cfg, transform_return_to_modify, and
14059 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14061 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14062 (copy_decl_for_dup): Remove.
14063 * tree-inline.c (struct inline_data): Move to header.
14064 (insert_decl_map): Export.
14065 (remap_decl): Update for member name changes. Use copy_decl hook.
14066 Allow for replacement to be a non-decl. Remove dead code.
14067 (remap_type_1): Check for existing mapping.
14068 (remap_type): Export.
14069 (remap_decls): Update for member name changes.
14070 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14071 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14072 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14073 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14074 (tree_function_versioning, build_duplicate_type): Likewise.
14075 (copy_body_r): Likewise. Export.
14076 (copy_decl_for_dup): Split into ...
14077 (copy_decl_for_dup_finish, copy_decl_to_var,
14078 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14079 (replace_ref_tree, inlining_p): Remove.
14081 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14083 * ifcvt.c (if_convert): Make it static.
14084 * rtl.h: Remove the prototype for if_convert.
14086 * local-alloc.c (local_alloc): Make it static.
14087 * rtl.h: Remove the prototype for local_alloc.
14089 * loop.c (loop_optimize): Make it static.
14090 * cfgloop.h: Remove the prototype for loop_optimize.
14093 2006-01-16 DJ Delorie <dj@redhat.com>
14095 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14098 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14100 * pa.md: Disparage copies between general and floating-point registers
14101 in 32-bit move patterns.
14103 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14106 * Makefile.in (check-%): Depend on site.exp instead of
14107 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14110 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14112 * global.c (global_alloc): Make it static.
14113 * rtl.h: Remove the prototype for global_alloc.
14115 2006-01-16 Richard Guenther <rguenther@suse.de>
14117 * tree-ssa-alias.c (struct used_part): Add write_only field.
14118 (get_or_create_used_part_for): Initialize it to true.
14119 (create_overlap_variables_for): Don't create structure variables
14120 for structures that only are written to.
14121 (find_used_portions): Handle MODIFY_EXPR to track whether a
14122 structure is only written to.
14124 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14126 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14128 * basic-block.h: Remove the prototype for
14129 partition_hot_cold_basic_blocks.
14131 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14133 * cppspec.c (lang_specific_spec_functions): Remove.
14134 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14135 * gcc.h (lang_specific_spec_functions): Remove.
14136 * gccspec.c (lang_specific_spec_functions): Remove.
14138 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14140 * combine.c (record_value_for_reg): Invalidate registers
14142 (record_dead_and_set_regs_1): Likewise, by passing them to
14143 record_value_for_reg.
14144 (record_dead_and_set_regs): Invalidate stores made by a
14145 call. We do not combine across a call, but we still
14146 relied on equivalences.
14148 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14150 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14151 vrp_int_const_binop returning non-constant nodes.
14153 2006-01-16 Paul Brook <paul@codesourcery.com>
14155 * config/m68k/m68k.c (output_move_const_into_data_reg):
14156 Output correct mnemonic for mvz and mvs.
14158 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14160 * rtl-factoring.c: Add sequence abstraction algorithm.
14161 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14162 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14164 (block_has_preserve_label): New function.
14165 * common.opt: Register new pass.
14166 * Makefile.in: Ditto.
14168 * timevar.def: Ditto.
14169 * tree-pass.h: Ditto.
14170 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14171 * rtl.h (make_jump_insn_raw): Add forward decl.
14172 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14174 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14175 Roger Sayle <roger@eyesopen.com>
14177 * fold-const.c (fold_minmax): New static function.
14178 (fold_binary) <MIN_EXPR>: Call it.
14179 <MAX_EXPR>: Likewise.
14180 * stor-layout.c (place_field): Use DECL_SIZE consistently
14181 in the computation of the new record size.
14183 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14185 * cse.c (cse_condition_code_reg): Make it static.
14186 * rtl.h: Remove the prototype for cse_condition_code_reg.
14188 * combine.c (combine_instructions): Make it static.
14189 * rtl.h: Remove the prototype for combine_instructions.
14191 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14194 * tree.c (get_file_function_name_long): Concatenate the first global
14195 object name with a string derived from the input filename of the object
14198 2006-01-16 Ben Elliston <bje@au.ibm.com>
14200 * config/i386/winnt-stubs.c: Update FSF address.
14201 * config/xtensa/ieee754-df.S: Ditto.
14202 * config/xtensa/ieee754-sf.S: Ditto.
14204 2006-01-14 Ian Lance Taylor <ian@airs.com>
14206 * ifcvt.c (noce_init_if_info): New static function, broken out of
14207 noce_process_if_block.
14208 (noce_process_if_block): Call noce_init_if_info.
14209 (check_cond_move_block): New static function.
14210 (cond_move_process_if_block): New static function.
14211 (process_if_block): Call cond_move_process_if_block.
14213 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14215 * cselib.c (hash_table): Rename to cselib_hash_table.
14216 (cselib_clear_table, discard_useless_values,
14217 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14218 cselib_init, cselib_finish): Adjust uses of hash_table.
14220 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14222 PR tree-optimization/25485
14223 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14224 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14225 is known to be false and true, respectively.
14227 2006-01-14 Richard Guenther <rguenther@suse.de>
14229 PR tree-optimization/22548
14230 PR tree-optimization/22555
14231 PR tree-optimization/22501
14232 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14233 * params.def (salias-max-array-elements): New parameter.
14234 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14235 * doc/invoke.texi (salias-max-array-elements): Document.
14236 * tree-flow-inline.h (var_can_have_subvars): We also handle
14238 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14240 * tree-ssa-structalias.c (params.h): Include.
14241 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14242 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14243 (get_constraint_for): For ADDR_EXPR operating on something
14244 containing an ARRAY_REF, add all subvars to the solution.
14245 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14246 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14247 for creating MUST_DEFs.
14248 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14250 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14252 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14254 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14255 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14256 number_of_iterations_le): New functions.
14257 (number_of_iterations_special): Removed.
14258 (number_of_iterations_exit): Do not use number_of_iterations_special.
14259 * tree.c (unsigned_type_for): Always return integer type.
14261 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14262 Richard Guenther <rguenther@suse.de>
14264 PR rtl-optimization/24257
14265 * gcse.c (find_moveable_store): Only consider a store movable
14266 when the SET_SRC of the insn can be assigned to a register.
14268 2006-01-14 Ian Lance Taylor <ian@airs.com>
14270 * tree.c (tree_not_class_check_failed): New function.
14271 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14272 (tree_not_class_check_failed): Declare.
14274 2006-01-13 Ian Lance Taylor <ian@airs.com>
14276 * reload1.c (do_output_reload): Add assertion rejecting a
14279 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14281 * combine.c (struct reg_stat): Add new fields truncation_label and
14283 (record_value_for_reg): Reset truncated_to_mode.
14284 (record_truncated_value): New function.
14285 (check_promoted_subreg): Call it. Rename to check_conversions.
14286 (combine_instructions): Rename check_promoted_subreg to
14288 (reg_truncated_to_mode): New function.
14289 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14290 (gen_lowpart_or_truncate): New function.
14291 (force_to_mode): Use it instead of gen_lowpart.
14293 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14295 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14296 VAR is a tag, not its type tag.
14298 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14300 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14301 alternatives to match style of other entries.
14302 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14304 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14306 PR tree-optimization/25771
14307 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14310 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14313 * tree-inline.c (declare_return_variable): If the return variable
14314 was marked as a non gimple complex, set the return slot variable
14315 to be a non gimple comple variable.
14317 2006-01-13 Richard Guenther <rguenther@suse.de>
14319 * builtins.c (expand_builtin_sincos): New function.
14320 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14322 (expand_builtin): Expand sincos using expand_builtin_sincos.
14324 2006-01-12 DJ Delorie <dj@redhat.com>
14326 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14327 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14328 so that constant shifts can be split.
14329 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14330 (m32c_valid_pointer_mode): Make static.
14331 (shift_gen_func_for): New.
14332 (m32c_prepare_shift): Use it. Split large const shifts into
14334 * config/m32c/predicates.md (shiftcount_operand): Allow more
14336 (longshiftcount_operand): New.
14337 * doc/md.texi (Machine Constraints): Document In6.
14339 2006-01-13 Ben Elliston <bje@au.ibm.com>
14341 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14342 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14345 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14347 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14348 to try to avoid clobbering pieces of structures when we know
14349 something about the whole structure.
14350 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14352 2006-01-13 Ben Elliston <bje@au.ibm.com>
14354 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14355 return in memory, as this is no limitation is no longer present.
14357 2006-01-12 DJ Delorie <dj@redhat.com>
14359 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14360 mova with fb, and for fb+0 -> An.
14362 * config/m32c/mov.md (peephole2): Fix enabling logic.
14364 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14365 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14366 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14367 FINI_ARRAY_SECTION_ASM_OP): Define.
14369 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14371 (m32c_legitimize_reload_address): New logic to reload FB to An.
14372 (m32c_output_reg_push): Add newline.
14373 (m32c_output_reg_pop): Likewise.
14375 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14377 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14379 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14381 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14383 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14385 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14388 2006-01-11 Ben Elliston <bje@au.ibm.com>
14390 * rtlanal.c (find_reg_note): Assert insn is not null.
14392 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14394 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14397 2006-01-11 Jeff Law <law@redhat.com>
14399 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14401 (mark_threaded_blocks, register_jump_thread): New functions.
14402 (thread_through_all_blocks): Remove unwanted argument. No
14403 longer rely on e->aux to communicate thread target info.
14404 Call mark_threaded_blocks. Release the threaded_blocks
14405 bitmap and threaded_edges vector when complete.
14406 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14407 (threaded_blocks): Remove.
14408 (tree_ssa_dominator_optimize): Remove initialization and
14409 finalization of threaded_blocks. Simplify call to
14410 thread_through_all_blocks.
14411 (thread_across_edge): Call register_jump_thread rather than
14412 storing thread information into e->aux.
14413 (free_all_edge_infos): Simplify now that e->aux is no longer
14414 used to communicate with thread_through_all_blocks.
14415 * tree-flow.h (thread_through_all_blocks): Update prototype.
14416 (register_jump_thread): Prototype.
14418 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14420 * df-core.c (df_compact_blocks, df_bb_replace): Use
14421 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14423 2006-01-11 Richard Guenther <rguenther@suse.de>
14425 PR tree-optimization/25734
14426 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14427 stop propagation after successful propagation to the LHS.
14429 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14431 * basic-block.h (control_flow_graph): Change the type of
14432 x_basic_block_info to VEC(basic_block,gc) *.
14433 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14435 (SET_BASIC_BLOCK): New.
14436 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14437 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14438 * cfgbuild.c (find_basic_blocks): Likewise.
14439 * cfglayout.c (fixup_reorder_chain): Likewise.
14440 * cfgrtl.c (create_basic_block_structure,
14441 rtl_create_basic_block): Likewise.
14442 * ifcvt.c (find_if_case_1): Likewise.
14443 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14446 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14448 * Makefile.in: Removed rotted odf.c entry.
14450 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14453 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14454 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14455 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14456 output pattern modifier, not %e.
14457 * config/cris/cris.c (cris_op_str): Update comment about pattern
14459 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14460 before falling through into...
14461 <case 'E'>: Redefined from old 'e' case.
14463 2006-01-11 Jan Hubicka <jh@suse.cz>
14466 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14468 2006-01-11 Jan Hubicka <jh@suse.cz>
14470 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14471 * i386.c (x86_decompose_lea): Kill.
14472 (ix86_rtx_costs): Kill.
14474 2006-01-11 Jan Hubicka <jh@suse.cz>
14476 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14477 * cgraph.h (cgraph_node): Add inline_decl.
14478 (cgraph_insert_node_to_hashtable): Declare.
14479 (save_inline_function_body): Declare.
14480 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14482 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14483 (cgraph_function_versioning): Update call of tree_function_versioning.
14484 (save_inline_function_body): New function.
14485 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14486 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14487 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14488 (cgraph_default_inline_p): Likewise.
14489 (cgraph_decide_inlining_incrementally): Likewise.
14490 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14491 (copy_bb): Kill saving; do updating of clones.
14492 (copy_cfg_body): Kill saving.
14493 (initialize_inlined-parameters): Likewise.
14494 (expand_call_inline): Likewise.
14496 (tree_function_versioning): New parameter "update_clones".
14497 (inlining_p): Kill saving.
14498 * tree-inline.h (tree_function_versioning): Update prototype.
14499 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14502 2006-01-11 Ian Lance Taylor <ian@airs.com>
14504 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14505 Allow undoing set of machine mode.
14506 (do_SUBST): Use enums instead of is_int.
14507 (do_SUBST_MODE): New function.
14508 (SUBST_MODE): New macro.
14509 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14510 reg and trying to replace reg_regno_rtx with a new register.
14511 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14512 (simplify_set): Use SUBST_MODE.
14513 (distribute_notes): Remove code that tried to update reg notes
14514 for regno_reg_rtx changes.
14516 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14518 PR tree-optimization/23109
14519 PR tree-optimization/23948
14520 PR tree-optimization/24123
14522 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14523 * tree-cfg.c (single_noncomplex_succ): New.
14524 * tree-flow.h (single_noncomplex_succ): Declare it.
14525 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14526 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14527 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14528 insert_bb, register_division_in, insert_reciprocals,
14529 replace_reciprocal, free_bb): New.
14530 (execute_cse_reciprocals_1): Rewritten.
14531 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14532 Do not commit any edge insertion. Always compute dominators and
14533 create the allocation pool.
14534 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14535 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14536 * targhooks.c (default_min_divistions_for_recip_mul): New.
14537 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14538 * passes.c (init_optimization_passes): Run recip after tree loop
14540 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14542 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14543 Kenneth Zadeck <zadeck@naturalbridge.com>
14545 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14546 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14547 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14548 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14549 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14550 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14551 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14552 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14553 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14554 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14555 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14556 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14557 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14558 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14559 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14560 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14561 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14562 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14563 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14564 DF_SCAN_POST_ALLOC): New macros.
14565 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14566 df_free_bb_function, df_local_compute_function, df_init_function,
14567 df_dataflow_function, df_confluence_function_0,
14568 df_confluence_function_n, df_transfer_function,
14569 df_finalizer_function, df_free_function, df_dump_problem_function,
14570 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14571 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14572 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14573 df_urec_bb_info, ) New types.
14574 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14576 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14577 df_analyze_simple_change_some_blocks,
14578 df_analyze_simple_change_one_block, df_compact_blocks,
14579 df_bb_replace, df_bb_regno_last_use_find,
14580 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14581 df_insn_regno_def_p, df_find_def, df_find_use,
14582 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14583 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14584 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14585 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14586 debug_df_chain, df_get_dependent_problem, df_chain_create,
14587 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14588 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14589 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14590 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14591 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14592 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14593 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14594 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14595 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14596 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14597 df_reorganize_refs, df_set_state, df_hard_reg_init,
14598 df_read_modify_subreg_p) New public functions.
14599 * df-core.c: The core dataflow solver and glue routines for rtl
14601 (df_init, df_add_problem, df_set_blocks, df_finish,
14602 df_hybrid_search_forward, df_hybrid_search_backward,
14603 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14604 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14605 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14606 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14607 df_reg_defined, df_find_use, df_reg_used, df_dump,
14608 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14609 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14610 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14611 debug_df_useno, reset_df_after_reload): New functions.
14612 * df-scan.c: The scanning fuctions, once in df.c, completely
14613 rewritten so that they now fully model the functionality of
14614 register usage at the backend.
14615 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14616 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14617 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14618 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14619 df_get_artificial_defs, df_get_artificial_uses,
14620 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14621 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14622 df_refs_delete, df_reorganize_refs, df_set_state,
14623 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14624 df_def_record_1, df_defs_record, df_uses_record,
14625 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14626 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14627 df_record_exit_block_uses, df_hard_reg_init): New functions.
14629 * df-problems.c: Seven concrete dataflow problems that use the
14630 scanning in df-scan.c and are solved by the engine in df-core.c.
14631 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14632 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14633 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14634 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14635 df_ru_free_bb_info, df_ru_alloc,
14636 df_ru_bb_local_compute_process_def,
14637 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14638 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14639 df_ru_transfer_function, df_ru_free, df_ru_dump,
14640 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14641 df_rd_free_bb_info, df_rd_alloc,
14642 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14643 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14644 df_rd_transfer_function, df_rd_free, df_rd_dump,
14645 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14646 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14647 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14648 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14649 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14650 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14651 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14652 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14653 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14654 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14655 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14656 df_urec_mark_reg_use_for_earlyclobber,
14657 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14658 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14659 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14660 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14661 df_chain_create_bb_process_use, df_chain_create_bb,
14662 df_chain_finalize, df_chain_free, df_chains_dump,
14663 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14664 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14665 df_reg_lifetime): New functions.
14666 * df.c: Deleted file.
14667 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14668 consistent with new df api.
14669 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14670 rest_of_handle_sms): Ditto.
14671 * web.c (unionfind_union, union_defs, entry_register, web_main):
14673 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14674 invariant_expr_equal_p, find_defs, check_dependencies,
14675 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14676 free_inv_motion_data, move_loop_invariants): Ditto.
14677 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14678 Update dependencies.
14679 (odf.c): Added defective entry that was deleted later in day.
14680 * sched-deps.c (sched_analyze_1): Ditto.
14682 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14684 * tree-ssa-operands.c (get_expr_operands): Record addressable
14685 variables directly. Do not call add_stmt_operands for CONST_DECLs
14687 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14688 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14690 2006-01-11 Ben Elliston <bje@au.ibm.com>
14692 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14693 function returns true in the positive case.
14695 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14698 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14699 for SI, DI, SF and DF modes. Add alternatives to copy between
14700 general and floating point registers to the 32-bit patterns.
14701 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14702 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14703 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14704 generating 64-bit code.
14705 * config/pa/pa.c (output_move_double): Handle copies between general
14706 and floating registers.
14708 2006-01-10 Stuart Hastings <stuart@apple.com>
14710 * config/i386/i386.md (set_got): Update.
14711 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14712 (builtin_setjmp_receiver): Mach-O support.
14713 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14714 (GOT_SYMBOL_NAME): Define.
14715 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14716 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14717 * config/i386/i386.c (override_options): Revise for Darwin.
14718 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14719 support. (darwin_x86_file_end): New. (output_set_got): Add label
14720 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14721 * config/i386/i386-protos.h (output_set_got): Likewise.
14722 * config/darwin.c (machopic_legitimize_pic_address): Update
14725 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14727 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14728 when MODE isn't BLKmode.
14730 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14732 PR rtl-optimization/25367
14733 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14735 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14738 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14739 for a negative bound.
14741 2006-01-10 Richard Guenther <rguenther@suse.de>
14743 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14744 Never override with anything constraint.
14746 2006-01-10 Jan Beulich <jbeulich@novell.com>
14748 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14749 256 bits when optimize_size.
14751 2006-01-10 Jan Beulich <jbeulich@novell.com>
14753 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14755 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14756 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14759 2006-01-10 Ben Elliston <bje@au.ibm.com>
14761 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14763 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14764 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14765 (USE_FP_FOR_ARG): Reject decimal float modes.
14766 (function_arg_advance): Likewise.
14767 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14768 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14769 point types in AltiVec vectors.
14770 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14771 (rs6000_libcall_value): Likewise.
14773 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14775 * config/xtensa/ieee754-df.S: New file.
14776 * config/xtensa/ieee754-sf.S: New file.
14777 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14778 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14779 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14781 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14783 * config/sh/predicates.md (binary_float_operator,
14784 binary_logical_operator, commutative_float_operator,
14785 equality_comparison_operator, greater_comparison_operator,
14786 less_comparison_operator, logical_operator,
14787 noncommutative_float_operator, shift_operator,
14788 symbol_ref_operand, unary_float_operator): Remove redundant
14791 2006-01-09 Jeff Law <law@redhat.com>
14793 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14794 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14795 now unused arguments. Callers updated.
14796 (eliminate_redundant_computations): Remove now unused arguments,
14798 (local_fold): Remove, no longer used.
14799 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14801 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14802 (simplify_cond): New function.
14803 (forward_propagate_into_cond): Call simplify_cond.
14805 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14807 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14808 (*vec_extractv2di_1_sse): New.
14810 2006-01-09 Ben Elliston <bje@au.ibm.com>
14812 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14814 2006-01-08 Richard Guenther <rguenther@suse.de>
14816 * tree-ssa-structalias.c (get_constraint_for): Remove
14817 anyoffset argument.
14818 (get_constraint_for_component_ref): Likewise.
14819 (do_deref): Likewise.
14820 (get_constraint_for): Likewise.
14821 (do_structure_copy): Likewise.
14822 (handle_ptr_arith): Likewise.
14823 (find_func_aliases): Likewise. Remove unused need_anyoffset
14826 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14827 Kaz Kojima <kkojima@gcc.gnu.org>
14829 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14830 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14831 (EXTRA_CONSTRAINT_C16): Remove.
14832 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14833 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14834 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14835 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14836 constants of SHmedia. Handle nested constant expressions of
14838 (andcosts): Fix the costs for SHmedia constants.
14839 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14840 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14841 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14842 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14843 (movv4hi_i, movv2si_i): Likewise.
14844 (movsi_const): Adjust the second operand of ior so to match with
14845 the Csu constraint.
14846 (movdi_const, movdi_const_32bit): Likewise.
14847 (movdi_const_16bit+1): Don't sign-extend LOW.
14848 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14850 (*double_shori): Fix the split condition. Use GEN_INT instead
14851 of get_int_mode calls. Mask lower 16-bit of the argument of
14853 (sym2GOTPLT): Remove.
14854 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14856 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14857 instead of EXTRA_CONSTRAINT_C16.
14859 2006-01-07 Ian Lance Taylor <ian@airs.com>
14860 David Edelsohn <edelsohn@gnu.org>
14862 PR rtl-optimization/25662
14863 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14864 for constant operands instead of simplify_gen_binary.
14865 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14866 after trying simplify_binary_operation
14868 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14870 * tree.c (iterative_hash_expr): Hash decls based on UID.
14872 2006-01-06 Eric Christopher <echristo@apple.com>
14874 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14875 (TARGET_UNWIND_EMIT): Fix spelling.
14876 * target.h (gcc_target): Add except_table_label.
14877 * except.c (output_function_exception_table): Use.
14878 * varasm.c (default_emit_except_table_label): New.
14879 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14881 (asm_out): Add here.
14882 * output.h (default_emit_except_table_label): Prototype.
14883 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14884 * config/darwin.c (darwin_emit_except_table_label): Define.
14885 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14887 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14889 PR tree-optimization/18527
14890 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14891 number_of_iterations_special, number_of_iterations_exit):
14892 Move base and step of an iv to a single structure. Add
14893 no_overflow flag, and use it in # of iterations analysis.
14894 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14895 folded_casts argument.
14896 (simple_iv): Pass base and step in a structure. Set no_overflow
14898 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14899 Evaluate expensiveness of computing # of iterations instead of
14900 the final expression.
14901 * tree-scalar-evolution.h (affine_iv): New structure.
14902 (simple_iv): Declaration changed.
14903 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14904 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14905 find_givs_in_stmt): Changed due to simple_iv change.
14907 2006-01-06 Jeff Law <law@redhat.com>
14910 * tree-cfg.c (bsi_replace): Rename final argument from
14911 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14912 change (stmt -> orig_stmt).
14913 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14914 (bsi_remove): Add new argument. Remove EH information
14916 (verify_eh_throw_table_statements): New function.
14917 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14919 * tree-optimize.c (execute_free_cfg_annotations): Verify
14920 the EH throw statement table after removing annotations.
14921 * except.h (verify_eh_throw_table_statements): Prototype.
14922 * tree-flow.h (bsi_remove): Update prototype.
14923 * tree-vrp.c (remove_range_assertions): Add new argument to
14925 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14926 * tree-complex.c (expand_complex_div_wide): Likewise.
14927 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14928 * tree-tailcall.c (eliminate_tailcall): Likewise.
14929 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14930 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14931 * tree-nrv.c (tree_nrv): Likewise.
14932 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14933 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14934 (combine_blocks): Likewise.
14935 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14936 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14937 (cleanup_control_flow): Likewise.
14938 (remove_forwarder_block): Likewise.
14939 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14940 * tree-sra.c (sra_replace): Likewise.
14941 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14942 (forward_propagate_single_use_vars): Likewise.
14943 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14944 * tree-inline.c (expand_call_inline): Likewise.
14945 * tree-vect-transform.c (vect_transform_loop): Likewise.
14946 * tree-outof-ssa.c (rewrite_trees): Likewise.
14947 * tree-cfg.c (make_goto_expr_edges): Likewise.
14948 (cleanup_dead_labels): Likewise.
14949 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14950 (bsi_move_before, bsi_move_after): Likewise.
14951 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14952 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14954 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14957 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14959 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14960 on non gimple variables. Also add checks at the top for decls and
14962 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14964 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14965 and IMAGPART_EXPR for creating MUST_DEFs.
14966 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14967 and NAME_MEMORY_TAG separately from the DECLs.
14969 2006-01-06 Richard Guenther <rguenther@suse.de>
14971 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14972 annotation, if necessary.
14973 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14974 redundant calls to update_stmt.
14975 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14978 2006-01-05 Richard Henderson <rth@redhat.com>
14980 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14982 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14984 * c-typeck.c: Update copyright date.
14986 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14988 * c-typeck.c (build_c_cast): Always warn when casting
14989 from a pointer to an integer of different size, even if
14990 the node was constant.
14992 2006-01-05 Richard Guenther <rguenther@suse.de>
14994 PR tree-optimization/22555
14995 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14996 if one structure field is an array.
14997 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14998 operands even if we found a subvar, but ignore VOPs in this
15000 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15002 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15004 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15006 PR middle-end/24998
15007 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15009 2006-01-05 Richard Guenther <rguenther@suse.de>
15010 Diego Novillo <dnovillo@redhat.com>
15012 * tree-pass.h (TODO_remove_unused_locals): Define.
15013 * gimple-low.c (expand_var_p, remove_useless_vars,
15014 pass_remove_useless_vars): Remove. Update all users.
15015 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15016 (remove_unused_locals): New function.
15017 * tree-flow.h (remove_unused_locals): Declare.
15018 * passes.c (execute_todo): Call remove_unused_locals if
15019 TODO_remove_unused_locals is set.
15020 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15021 * tree-ssa-dce.c (pass_dce): Likewise.
15022 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15024 2006-01-05 Richard Guenther <rguenther@suse.de>
15026 * tree-flow.h (struct fieldoff): Decompose field to
15027 type, size and decl.
15028 * tree-ssa-alias.c (create_sft): Take type as parameter.
15029 (create_overlap_variables_for): Store type, size and decl
15030 in the fieldoff structure.
15031 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15032 of struct fieldoff.
15033 (push_fields_onto_fieldstack): Likewise.
15034 (create_variable_info_for): Likewise. Use offset for the
15035 SFT name if the decl is not available.
15037 2006-01-04 Paul Brook <paul@codesourcery.com>
15039 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15041 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15043 * lambda-code.c (can_put_in_inner_loop): Relax
15045 (can_put_after_inner_loop): New function.
15046 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15047 (perfect_nestify): Change to make copies and modify uses.
15049 2006-01-04 Richard Henderson <rth@redhat.com>
15051 Merge from gomp branch:
15052 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15053 via integer constant.
15054 (pragma_lex): Remove.
15055 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15056 rather than parsing it.
15057 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15058 handle_pragma_extern_prefix): Add %< %> quotes.
15059 (registered_pragmas): New.
15060 (c_register_pragma_1): New.
15061 (c_register_pragma): Use it.
15062 (c_register_pragma_with_expansion): Likewise.
15063 (c_invoke_pragma_handler): New.
15064 (init_pragma): Use cpp_register_deferred_pragma directly for
15066 * c-pragma.h (enum pragma_kind): New.
15067 (pragma_handler): New.
15068 (c_invoke_pragma_handler): Declare.
15069 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15071 * c-common.h (c_common_pch_pragma): Update decl.
15072 * Makefile.in (c-parser.o): Update dependencies.
15073 (GTFILES): Add c-pragma.h.
15074 * c-parser.c (struct c_token): Add pragma_kind.
15075 (struct c_parser): Add in_pragma.
15076 (c_lex_one_token): Always initialize keyword and pragma_kind.
15077 Extract data for CPP_PRAGMA.
15078 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15079 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15080 Don't allow CPP_PRAGMA_EOL if in_pragma.
15081 (c_parser_consume_pragma): New.
15082 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15083 (c_parser_skip_to_end_of_parameter): Likewise.
15084 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15085 (c_parser_skip_to_pragma_eol): New.
15086 (c_parser_external_declaration): Handle CPP_PRAGMA.
15087 (c_parser_compound_statement_nostart): Likewise.
15088 (c_parser_statement_after_labels): Likewise.
15089 (c_parser_pragma): New.
15090 (pragma_lex): Likewise.
15091 (c_parser_pragma_pch_preprocess): New.
15092 (c_parser_new): Merge into ...
15093 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15095 2006-01-04 Jeff Law <law@redhat.com>
15098 * tree-cfg.c (bsi_replace): Remove the original statement
15099 from the EH throw statement table.
15101 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15103 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15104 make the prototype extern "C" and add throw ().
15107 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15108 and pos non-negative and pos + len <= 32.
15109 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15110 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15111 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15114 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15115 as well as sizes not multiple of component size.
15118 * function.c (instantiate_expr): New function.
15119 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15120 walk its DECL_VALUE_EXPR with instantiate_expr.
15122 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15123 DW_OP_deref{,_size} if address isn't going to be added.
15125 2006-01-04 Ben Elliston <bje@au.ibm.com>
15127 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15128 * config/fp-bit.c: Likewise.
15130 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15132 * dominance.c: Add comment about why we use DFS numbering
15135 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15136 Richard Henderson <rth@redhat.com>
15138 Merge from gomp-branch:
15139 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15140 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15142 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15144 PR rtl-optimization/25578
15145 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15146 pass a parameter to simplify_shift_const if changing ASHIFTRT
15149 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15151 * builtins.c (get_builtin_sync_mem): New function.
15152 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15153 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15154 Call get_builtin_sync_mem to generate mem rtx.
15156 2006-01-03 Richard Guenther <rguenther@suse.de>
15159 * stmt.c (add_case_node): Make sure to clear overflow flags
15162 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15164 Merge from gomp-branch.
15165 * config/sparc/sync.md: New file.
15166 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15167 UNSPECV_LDSTUB): New constants.
15168 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15169 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15170 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15173 2006-01-03 Roger Sayle <roger@eyesopen.com>
15175 * combine.c (reg_subword_p): New predicate to test whether the
15176 destination of a set refers to a subword/piece of a register.
15177 (try_combine): Generalize the code to merge the setting of a
15178 pseudo to a constant followed by a set of a subword of that
15179 register to a constant.
15181 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15183 * basic-block.h (control_flow_graph): Change the type of
15184 x_label_to_block_map to VEC(basic_block,gc) *.
15185 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15186 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15188 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15189 VEC(basic_block,heap) *.
15190 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15191 ssa_prop_fini): Adjust the uses of cfg_blocks.
15193 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15195 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15197 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15198 hashing trees instead of a pointer hash.
15199 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15200 compare for MEM_EXPR.
15202 PR rtl-optimization/25130
15203 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15204 when comparing MEMs for GCSE
15206 2006-01-03 Ben Elliston <bje@au.ibm.com>
15208 * targhooks.h (default_decimal_float_supported_p): Declare.
15209 * targhooks.c (default_decimal_float_supported_p): Define.
15210 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15211 `default_decimal_float_supported_p'.
15212 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15214 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15216 * combine.c (apply_distributive_law <SUBREG>): Check
15217 TRULY_NOOP_TRUNCATION.
15219 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15221 * dwarf2out.c (have_switched_text_section): Delete.
15222 (have_multiple_function_sections): New.
15223 (have_location_lists): Make 'bool'.
15224 (add_AT_loc_list): Use 'true' not '1'.
15225 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15226 (output_loc_list): Use have_multiple_function_sections.
15227 (output_ranges): Likewise.
15228 (dwarf2out_begin_function): Set have_multiple_function_sections if
15230 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15231 Check function_section rather than DECL_SECTION_NAME.
15232 (dwarf2out_finish): Use have_multiple_function_sections.
15233 Don't clear have_location_lists.
15235 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15236 Jan Hubicka <jh@suse.cz>
15238 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15239 case of conditional jump jumping to the next instruction.
15240 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15241 cases of conditional jump jumping to the next instruction.
15243 2006-01-02 Jan Hubicka <jh@suse.cz>
15245 * i386.c (*_cost): Add COSTS_N_INSNS.
15246 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15248 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15251 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15253 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15255 * config/arm/arm.c (all_fpus): Fix comment typo.
15256 * config/darwin.c: Likewise.
15257 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15258 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15259 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15261 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15263 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15264 (rs6000_split_compare_and_swapqhi): New.
15265 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15266 (sync_compare_and_swapqhi_internal): New.
15267 * config/rs6000/rs6000-protos.h: Declare.